зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1015829 - Runtime binding for libav 53, 54, 55; r=edwin
--HG-- rename : content/media/fmp4/ffmpeg/include/README_mozilla => content/media/fmp4/ffmpeg/README_mozilla rename : content/media/fmp4/ffmpeg/include/COPYING.LGPLv2.1 => content/media/fmp4/ffmpeg/libav53/include/COPYING.LGPLv2.1 rename : content/media/fmp4/ffmpeg/include/libavcodec/avcodec.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/avcodec.h rename : content/media/fmp4/ffmpeg/include/libavcodec/avfft.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/avfft.h rename : content/media/fmp4/ffmpeg/include/libavcodec/dxva2.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/dxva2.h rename : content/media/fmp4/ffmpeg/include/libavcodec/old_codec_ids.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/old_codec_ids.h rename : content/media/fmp4/ffmpeg/include/libavcodec/opt.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/opt.h rename : content/media/fmp4/ffmpeg/include/libavcodec/vaapi.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/vaapi.h rename : content/media/fmp4/ffmpeg/include/libavcodec/vda.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/vda.h rename : content/media/fmp4/ffmpeg/include/libavcodec/vdpau.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/vdpau.h rename : content/media/fmp4/ffmpeg/include/libavcodec/version.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/version.h rename : content/media/fmp4/ffmpeg/include/libavcodec/xvmc.h => content/media/fmp4/ffmpeg/libav53/include/libavcodec/xvmc.h rename : content/media/fmp4/ffmpeg/include/libavformat/avformat.h => content/media/fmp4/ffmpeg/libav53/include/libavformat/avformat.h rename : content/media/fmp4/ffmpeg/include/libavformat/avio.h => content/media/fmp4/ffmpeg/libav53/include/libavformat/avio.h rename : content/media/fmp4/ffmpeg/include/libavformat/version.h => content/media/fmp4/ffmpeg/libav53/include/libavformat/version.h rename : content/media/fmp4/ffmpeg/include/libavutil/adler32.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/adler32.h rename : content/media/fmp4/ffmpeg/include/libavutil/aes.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/aes.h rename : content/media/fmp4/ffmpeg/include/libavutil/attributes.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/attributes.h rename : content/media/fmp4/ffmpeg/include/libavutil/audio_fifo.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/audio_fifo.h rename : content/media/fmp4/ffmpeg/include/libavutil/audioconvert.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/audioconvert.h rename : content/media/fmp4/ffmpeg/include/libavutil/avassert.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/avassert.h rename : content/media/fmp4/ffmpeg/include/libavutil/avconfig.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/avconfig.h rename : content/media/fmp4/ffmpeg/include/libavutil/avstring.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/avstring.h rename : content/media/fmp4/ffmpeg/include/libavutil/avutil.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/avutil.h rename : content/media/fmp4/ffmpeg/include/libavutil/base64.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/base64.h rename : content/media/fmp4/ffmpeg/include/libavutil/blowfish.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/blowfish.h rename : content/media/fmp4/ffmpeg/include/libavutil/bprint.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/bprint.h rename : content/media/fmp4/ffmpeg/include/libavutil/bswap.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/bswap.h rename : content/media/fmp4/ffmpeg/include/libavutil/common.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/common.h rename : content/media/fmp4/ffmpeg/include/libavutil/cpu.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/cpu.h rename : content/media/fmp4/ffmpeg/include/libavutil/crc.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/crc.h rename : content/media/fmp4/ffmpeg/include/libavutil/dict.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/dict.h rename : content/media/fmp4/ffmpeg/include/libavutil/error.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/error.h rename : content/media/fmp4/ffmpeg/include/libavutil/eval.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/eval.h rename : content/media/fmp4/ffmpeg/include/libavutil/fifo.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/fifo.h rename : content/media/fmp4/ffmpeg/include/libavutil/file.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/file.h rename : content/media/fmp4/ffmpeg/include/libavutil/imgutils.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/imgutils.h rename : content/media/fmp4/ffmpeg/include/libavutil/intfloat.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/intfloat.h rename : content/media/fmp4/ffmpeg/include/libavutil/intfloat_readwrite.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/intfloat_readwrite.h rename : content/media/fmp4/ffmpeg/include/libavutil/intreadwrite.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/intreadwrite.h rename : content/media/fmp4/ffmpeg/include/libavutil/lfg.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/lfg.h rename : content/media/fmp4/ffmpeg/include/libavutil/log.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/log.h rename : content/media/fmp4/ffmpeg/include/libavutil/lzo.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/lzo.h rename : content/media/fmp4/ffmpeg/include/libavutil/mathematics.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/mathematics.h rename : content/media/fmp4/ffmpeg/include/libavutil/md5.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/md5.h rename : content/media/fmp4/ffmpeg/include/libavutil/mem.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/mem.h rename : content/media/fmp4/ffmpeg/include/libavutil/old_pix_fmts.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/old_pix_fmts.h rename : content/media/fmp4/ffmpeg/include/libavutil/opt.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/opt.h rename : content/media/fmp4/ffmpeg/include/libavutil/parseutils.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/parseutils.h rename : content/media/fmp4/ffmpeg/include/libavutil/pixdesc.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/pixdesc.h rename : content/media/fmp4/ffmpeg/include/libavutil/pixfmt.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/pixfmt.h rename : content/media/fmp4/ffmpeg/include/libavutil/random_seed.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/random_seed.h rename : content/media/fmp4/ffmpeg/include/libavutil/rational.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/rational.h rename : content/media/fmp4/ffmpeg/include/libavutil/samplefmt.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/samplefmt.h rename : content/media/fmp4/ffmpeg/include/libavutil/sha.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/sha.h rename : content/media/fmp4/ffmpeg/include/libavutil/time.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/time.h rename : content/media/fmp4/ffmpeg/include/libavutil/timecode.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/timecode.h rename : content/media/fmp4/ffmpeg/include/libavutil/timestamp.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/timestamp.h rename : content/media/fmp4/ffmpeg/include/libavutil/version.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/version.h rename : content/media/fmp4/ffmpeg/include/libavutil/xtea.h => content/media/fmp4/ffmpeg/libav53/include/libavutil/xtea.h
This commit is contained in:
Anthony Jones
Родитель
733ed0912b
Коммит
4b1142651a
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@ -13,7 +13,7 @@
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#include "mozilla/WindowsVersion.h"
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#endif
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#ifdef MOZ_FFMPEG
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#include "FFmpegDecoderModule.h"
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#include "FFmpegRuntimeLinker.h"
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#endif
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namespace mozilla {
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@ -79,7 +79,7 @@ IsFFmpegAvailable()
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// If we can link to FFmpeg, then we can almost certainly play H264 and AAC
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// with it.
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return FFmpegDecoderModule::Link();
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return FFmpegRuntimeLinker::Link();
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#endif
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}
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@ -9,7 +9,7 @@
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#include "WMFDecoderModule.h"
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#endif
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#ifdef MOZ_FFMPEG
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#include "FFmpegDecoderModule.h"
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#include "FFmpegRuntimeLinker.h"
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#endif
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#include "mozilla/Preferences.h"
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@ -56,7 +56,7 @@ PlatformDecoderModule::Create()
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#endif
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#ifdef MOZ_FFMPEG
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if (sFFmpegDecoderEnabled) {
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return new FFmpegDecoderModule();
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return FFmpegRuntimeLinker::CreateDecoderModule();
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}
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#endif
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return nullptr;
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@ -16,17 +16,16 @@ typedef mp4_demuxer::MP4Sample MP4Sample;
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namespace mozilla
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{
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FFmpegAACDecoder::FFmpegAACDecoder(
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FFmpegAACDecoder<LIBAV_VER>::FFmpegAACDecoder(
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MediaTaskQueue* aTaskQueue, MediaDataDecoderCallback* aCallback,
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const mp4_demuxer::AudioDecoderConfig &aConfig)
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: FFmpegDataDecoder(aTaskQueue, AV_CODEC_ID_AAC)
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, mCallback(aCallback)
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const mp4_demuxer::AudioDecoderConfig& aConfig)
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: FFmpegDataDecoder(aTaskQueue, AV_CODEC_ID_AAC), mCallback(aCallback)
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{
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MOZ_COUNT_CTOR(FFmpegAACDecoder);
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}
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nsresult
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FFmpegAACDecoder::Init()
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FFmpegAACDecoder<LIBAV_VER>::Init()
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{
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nsresult rv = FFmpegDataDecoder::Init();
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NS_ENSURE_SUCCESS(rv, rv);
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@ -64,7 +63,7 @@ CopyAndPackAudio(AVFrame* aFrame, uint32_t aNumChannels, uint32_t aNumSamples)
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}
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void
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FFmpegAACDecoder::DecodePacket(MP4Sample* aSample)
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FFmpegAACDecoder<LIBAV_VER>::DecodePacket(MP4Sample* aSample)
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{
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nsAutoPtr<AVFrame> frame(avcodec_alloc_frame());
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avcodec_get_frame_defaults(frame);
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@ -106,7 +105,7 @@ FFmpegAACDecoder::DecodePacket(MP4Sample* aSample)
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}
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nsresult
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FFmpegAACDecoder::Input(MP4Sample* aSample)
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FFmpegAACDecoder<LIBAV_VER>::Input(MP4Sample* aSample)
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{
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mTaskQueue->Dispatch(NS_NewRunnableMethodWithArg<nsAutoPtr<MP4Sample> >(
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this, &FFmpegAACDecoder::DecodePacket, nsAutoPtr<MP4Sample>(aSample)));
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@ -115,13 +114,14 @@ FFmpegAACDecoder::Input(MP4Sample* aSample)
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}
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nsresult
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FFmpegAACDecoder::Drain()
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FFmpegAACDecoder<LIBAV_VER>::Drain()
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{
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// AAC is never delayed; nothing to do here.
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return NS_OK;
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}
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FFmpegAACDecoder::~FFmpegAACDecoder() {
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FFmpegAACDecoder<LIBAV_VER>::~FFmpegAACDecoder()
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{
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MOZ_COUNT_DTOR(FFmpegAACDecoder);
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}
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@ -13,12 +13,17 @@
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namespace mozilla
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{
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class FFmpegAACDecoder : public FFmpegDataDecoder
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template <int V> class FFmpegAACDecoder
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{
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};
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template <>
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class FFmpegAACDecoder<LIBAV_VER> : public FFmpegDataDecoder<LIBAV_VER>
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{
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public:
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FFmpegAACDecoder(MediaTaskQueue* aTaskQueue,
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MediaDataDecoderCallback* aCallback,
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const mp4_demuxer::AudioDecoderConfig &aConfig);
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const mp4_demuxer::AudioDecoderConfig& aConfig);
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virtual ~FFmpegAACDecoder();
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virtual nsresult Init() MOZ_OVERRIDE;
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@ -9,23 +9,24 @@
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#include "MediaTaskQueue.h"
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#include "mp4_demuxer/mp4_demuxer.h"
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#include "FFmpegRuntimeLinker.h"
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#include "FFmpegLibs.h"
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#include "FFmpegLog.h"
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#include "FFmpegDataDecoder.h"
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namespace mozilla
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{
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bool FFmpegDataDecoder::sFFmpegInitDone = false;
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bool FFmpegDataDecoder<LIBAV_VER>::sFFmpegInitDone = false;
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FFmpegDataDecoder::FFmpegDataDecoder(MediaTaskQueue* aTaskQueue,
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AVCodecID aCodecID)
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FFmpegDataDecoder<LIBAV_VER>::FFmpegDataDecoder(MediaTaskQueue* aTaskQueue,
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AVCodecID aCodecID)
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: mTaskQueue(aTaskQueue), mCodecID(aCodecID)
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{
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MOZ_COUNT_CTOR(FFmpegDataDecoder);
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}
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FFmpegDataDecoder::~FFmpegDataDecoder() {
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FFmpegDataDecoder<LIBAV_VER>::~FFmpegDataDecoder()
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{
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MOZ_COUNT_DTOR(FFmpegDataDecoder);
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}
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@ -51,15 +52,10 @@ ChoosePixelFormat(AVCodecContext* aCodecContext, const PixelFormat* aFormats)
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}
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nsresult
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FFmpegDataDecoder::Init()
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FFmpegDataDecoder<LIBAV_VER>::Init()
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{
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FFMPEG_LOG("Initialising FFmpeg decoder.");
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if (!FFmpegRuntimeLinker::Link()) {
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NS_WARNING("Failed to link FFmpeg shared libraries.");
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return NS_ERROR_FAILURE;
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}
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if (!sFFmpegInitDone) {
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av_register_all();
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#ifdef DEBUG
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@ -108,7 +104,7 @@ FFmpegDataDecoder::Init()
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}
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nsresult
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FFmpegDataDecoder::Flush()
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FFmpegDataDecoder<LIBAV_VER>::Flush()
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{
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mTaskQueue->Flush();
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avcodec_flush_buffers(&mCodecContext);
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@ -116,7 +112,7 @@ FFmpegDataDecoder::Flush()
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}
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nsresult
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FFmpegDataDecoder::Shutdown()
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FFmpegDataDecoder<LIBAV_VER>::Shutdown()
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{
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if (sFFmpegInitDone) {
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avcodec_close(&mCodecContext);
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@ -7,16 +7,21 @@
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#ifndef __FFmpegDataDecoder_h__
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#define __FFmpegDataDecoder_h__
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#include "FFmpegDecoderModule.h"
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#include "FFmpegRuntimeLinker.h"
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#include "FFmpegCompat.h"
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#include "PlatformDecoderModule.h"
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#include "FFmpegLibs.h"
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#include "mozilla/Vector.h"
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namespace mozilla
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{
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template <int V>
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class FFmpegDataDecoder : public MediaDataDecoder
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{
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};
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template <>
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class FFmpegDataDecoder<LIBAV_VER> : public MediaDataDecoder
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{
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public:
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FFmpegDataDecoder(MediaTaskQueue* aTaskQueue, AVCodecID aCodecID);
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virtual ~FFmpegDataDecoder();
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@ -4,78 +4,10 @@
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "FFmpegRuntimeLinker.h"
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#include "FFmpegAACDecoder.h"
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#include "FFmpegH264Decoder.h"
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#include "FFmpegDecoderModule.h"
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namespace mozilla
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{
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namespace mozilla {
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PRLogModuleInfo* GetFFmpegDecoderLog()
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{
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static PRLogModuleInfo* sFFmpegDecoderLog = nullptr;
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if (!sFFmpegDecoderLog) {
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sFFmpegDecoderLog = PR_NewLogModule("FFmpegDecoderModule");
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}
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return sFFmpegDecoderLog;
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}
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bool FFmpegDecoderModule::sFFmpegLinkDone = false;
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FFmpegDecoderModule::FFmpegDecoderModule()
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{
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MOZ_COUNT_CTOR(FFmpegDecoderModule);
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}
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FFmpegDecoderModule::~FFmpegDecoderModule() {
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MOZ_COUNT_DTOR(FFmpegDecoderModule);
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}
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bool
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FFmpegDecoderModule::Link()
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{
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if (sFFmpegLinkDone) {
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return true;
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}
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if (!FFmpegRuntimeLinker::Link()) {
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NS_WARNING("Failed to link FFmpeg shared libraries.");
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return false;
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}
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sFFmpegLinkDone = true;
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return true;
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}
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nsresult
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FFmpegDecoderModule::Shutdown()
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{
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// Nothing to do here.
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return NS_OK;
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}
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MediaDataDecoder*
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FFmpegDecoderModule::CreateH264Decoder(
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const mp4_demuxer::VideoDecoderConfig& aConfig,
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mozilla::layers::LayersBackend aLayersBackend,
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mozilla::layers::ImageContainer* aImageContainer,
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MediaTaskQueue* aVideoTaskQueue, MediaDataDecoderCallback* aCallback)
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{
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FFMPEG_LOG("Creating FFmpeg H264 decoder.");
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return new FFmpegH264Decoder(aVideoTaskQueue, aCallback, aConfig,
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aImageContainer);
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}
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MediaDataDecoder*
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FFmpegDecoderModule::CreateAACDecoder(
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const mp4_demuxer::AudioDecoderConfig& aConfig,
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MediaTaskQueue* aAudioTaskQueue, MediaDataDecoderCallback* aCallback)
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{
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FFMPEG_LOG("Creating FFmpeg AAC decoder.");
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return new FFmpegAACDecoder(aAudioTaskQueue, aCallback, aConfig);
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}
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template class FFmpegDecoderModule<LIBAV_VER>;
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} // namespace mozilla
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@ -8,41 +8,41 @@
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#define __FFmpegDecoderModule_h__
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#include "PlatformDecoderModule.h"
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#include "FFmpegAACDecoder.h"
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#include "FFmpegH264Decoder.h"
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namespace mozilla
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{
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#ifdef PR_LOGGING
|
||||
extern PRLogModuleInfo* GetFFmpegDecoderLog();
|
||||
#define FFMPEG_LOG(...) PR_LOG(GetFFmpegDecoderLog(), PR_LOG_DEBUG, (__VA_ARGS__))
|
||||
#else
|
||||
#define FFMPEG_LOG(...)
|
||||
#endif
|
||||
|
||||
template <int V>
|
||||
class FFmpegDecoderModule : public PlatformDecoderModule
|
||||
{
|
||||
public:
|
||||
FFmpegDecoderModule();
|
||||
virtual ~FFmpegDecoderModule();
|
||||
static PlatformDecoderModule* Create() { return new FFmpegDecoderModule(); }
|
||||
|
||||
static bool Link();
|
||||
FFmpegDecoderModule() {}
|
||||
virtual ~FFmpegDecoderModule() {}
|
||||
|
||||
virtual nsresult Shutdown() MOZ_OVERRIDE;
|
||||
virtual nsresult Shutdown() MOZ_OVERRIDE { return NS_OK; }
|
||||
|
||||
virtual MediaDataDecoder* CreateH264Decoder(
|
||||
const mp4_demuxer::VideoDecoderConfig& aConfig,
|
||||
mozilla::layers::LayersBackend aLayersBackend,
|
||||
mozilla::layers::ImageContainer* aImageContainer,
|
||||
MediaTaskQueue* aVideoTaskQueue,
|
||||
MediaDataDecoderCallback* aCallback) MOZ_OVERRIDE;
|
||||
MediaTaskQueue* aVideoTaskQueue, MediaDataDecoderCallback* aCallback)
|
||||
MOZ_OVERRIDE
|
||||
{
|
||||
return new FFmpegH264Decoder<V>(aVideoTaskQueue, aCallback, aConfig,
|
||||
aImageContainer);
|
||||
}
|
||||
|
||||
virtual MediaDataDecoder* CreateAACDecoder(
|
||||
const mp4_demuxer::AudioDecoderConfig& aConfig,
|
||||
MediaTaskQueue* aAudioTaskQueue,
|
||||
MediaDataDecoderCallback* aCallback) MOZ_OVERRIDE;
|
||||
|
||||
private:
|
||||
static bool sFFmpegLinkDone;
|
||||
MediaTaskQueue* aAudioTaskQueue, MediaDataDecoderCallback* aCallback)
|
||||
MOZ_OVERRIDE
|
||||
{
|
||||
return new FFmpegAACDecoder<V>(aAudioTaskQueue, aCallback, aConfig);
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace mozilla
|
||||
|
|
|
|||
|
|
@ -2,24 +2,27 @@
|
|||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
AV_FUNC(LIBAVCODEC, avcodec_align_dimensions2)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_alloc_frame)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_close)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_decode_audio4)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_decode_video2)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_default_get_buffer)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_default_release_buffer)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_find_decoder)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_flush_buffers)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_get_context_defaults3)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_get_edge_width)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_get_frame_defaults)
|
||||
AV_FUNC(LIBAVCODEC, avcodec_open2)
|
||||
AV_FUNC(LIBAVCODEC, av_init_packet)
|
||||
AV_FUNC(LIBAVCODEC, av_dict_get)
|
||||
/* libavformat */
|
||||
AV_FUNC(av_register_all)
|
||||
|
||||
AV_FUNC(LIBAVFORMAT, av_register_all)
|
||||
/* libavcodec */
|
||||
AV_FUNC(avcodec_align_dimensions2)
|
||||
AV_FUNC(avcodec_alloc_frame)
|
||||
AV_FUNC(avcodec_close)
|
||||
AV_FUNC(avcodec_decode_audio4)
|
||||
AV_FUNC(avcodec_decode_video2)
|
||||
AV_FUNC(avcodec_default_get_buffer)
|
||||
AV_FUNC(avcodec_default_release_buffer)
|
||||
AV_FUNC(avcodec_find_decoder)
|
||||
AV_FUNC(avcodec_flush_buffers)
|
||||
AV_FUNC(avcodec_get_context_defaults3)
|
||||
AV_FUNC(avcodec_get_edge_width)
|
||||
AV_FUNC(avcodec_get_frame_defaults)
|
||||
AV_FUNC(avcodec_open2)
|
||||
AV_FUNC(av_init_packet)
|
||||
AV_FUNC(av_dict_get)
|
||||
|
||||
AV_FUNC(LIBAVUTIL, av_image_fill_linesizes)
|
||||
AV_FUNC(LIBAVUTIL, av_image_fill_pointers)
|
||||
AV_FUNC(LIBAVUTIL, av_log_set_level)
|
||||
/* libavutil */
|
||||
AV_FUNC(av_image_fill_linesizes)
|
||||
AV_FUNC(av_image_fill_pointers)
|
||||
AV_FUNC(av_log_set_level)
|
||||
|
|
|
|||
|
|
@ -10,7 +10,6 @@
|
|||
#include "ImageContainer.h"
|
||||
|
||||
#include "mp4_demuxer/mp4_demuxer.h"
|
||||
#include "FFmpegRuntimeLinker.h"
|
||||
|
||||
#include "FFmpegH264Decoder.h"
|
||||
|
||||
|
|
@ -24,9 +23,9 @@ typedef mp4_demuxer::MP4Sample MP4Sample;
|
|||
namespace mozilla
|
||||
{
|
||||
|
||||
FFmpegH264Decoder::FFmpegH264Decoder(
|
||||
FFmpegH264Decoder<LIBAV_VER>::FFmpegH264Decoder(
|
||||
MediaTaskQueue* aTaskQueue, MediaDataDecoderCallback* aCallback,
|
||||
const mp4_demuxer::VideoDecoderConfig &aConfig,
|
||||
const mp4_demuxer::VideoDecoderConfig& aConfig,
|
||||
ImageContainer* aImageContainer)
|
||||
: FFmpegDataDecoder(aTaskQueue, AV_CODEC_ID_H264)
|
||||
, mCallback(aCallback)
|
||||
|
|
@ -37,7 +36,7 @@ FFmpegH264Decoder::FFmpegH264Decoder(
|
|||
}
|
||||
|
||||
nsresult
|
||||
FFmpegH264Decoder::Init()
|
||||
FFmpegH264Decoder<LIBAV_VER>::Init()
|
||||
{
|
||||
nsresult rv = FFmpegDataDecoder::Init();
|
||||
NS_ENSURE_SUCCESS(rv, rv);
|
||||
|
|
@ -48,7 +47,7 @@ FFmpegH264Decoder::Init()
|
|||
}
|
||||
|
||||
void
|
||||
FFmpegH264Decoder::DecodeFrame(mp4_demuxer::MP4Sample* aSample)
|
||||
FFmpegH264Decoder<LIBAV_VER>::DecodeFrame(mp4_demuxer::MP4Sample* aSample)
|
||||
{
|
||||
AVPacket packet;
|
||||
av_init_packet(&packet);
|
||||
|
|
@ -82,8 +81,9 @@ FFmpegH264Decoder::DecodeFrame(mp4_demuxer::MP4Sample* aSample)
|
|||
info.mHasVideo = true;
|
||||
|
||||
data = VideoData::CreateFromImage(
|
||||
info, mImageContainer, aSample->byte_offset, aSample->composition_timestamp,
|
||||
aSample->duration, mCurrentImage, aSample->is_sync_point, -1,
|
||||
info, mImageContainer, aSample->byte_offset,
|
||||
aSample->composition_timestamp, aSample->duration, mCurrentImage,
|
||||
aSample->is_sync_point, -1,
|
||||
gfx::IntRect(0, 0, mCodecContext.width, mCodecContext.height));
|
||||
|
||||
// Insert the frame into the heap for reordering.
|
||||
|
|
@ -104,7 +104,7 @@ FFmpegH264Decoder::DecodeFrame(mp4_demuxer::MP4Sample* aSample)
|
|||
}
|
||||
|
||||
static void
|
||||
PlanarYCbCrDataFromAVFrame(mozilla::layers::PlanarYCbCrData &aData,
|
||||
PlanarYCbCrDataFromAVFrame(mozilla::layers::PlanarYCbCrData& aData,
|
||||
AVFrame* aFrame)
|
||||
{
|
||||
aData.mPicX = aData.mPicY = 0;
|
||||
|
|
@ -125,8 +125,8 @@ PlanarYCbCrDataFromAVFrame(mozilla::layers::PlanarYCbCrData &aData,
|
|||
}
|
||||
|
||||
/* static */ int
|
||||
FFmpegH264Decoder::AllocateBufferCb(AVCodecContext* aCodecContext,
|
||||
AVFrame* aFrame)
|
||||
FFmpegH264Decoder<LIBAV_VER>::AllocateBufferCb(AVCodecContext* aCodecContext,
|
||||
AVFrame* aFrame)
|
||||
{
|
||||
MOZ_ASSERT(aCodecContext->codec_type == AVMEDIA_TYPE_VIDEO);
|
||||
|
||||
|
|
@ -142,8 +142,8 @@ FFmpegH264Decoder::AllocateBufferCb(AVCodecContext* aCodecContext,
|
|||
}
|
||||
|
||||
int
|
||||
FFmpegH264Decoder::AllocateYUV420PVideoBuffer(AVCodecContext* aCodecContext,
|
||||
AVFrame* aFrame)
|
||||
FFmpegH264Decoder<LIBAV_VER>::AllocateYUV420PVideoBuffer(
|
||||
AVCodecContext* aCodecContext, AVFrame* aFrame)
|
||||
{
|
||||
// Older versions of ffmpeg require that edges be allocated* around* the
|
||||
// actual image.
|
||||
|
|
@ -209,18 +209,18 @@ FFmpegH264Decoder::AllocateYUV420PVideoBuffer(AVCodecContext* aCodecContext,
|
|||
}
|
||||
|
||||
nsresult
|
||||
FFmpegH264Decoder::Input(mp4_demuxer::MP4Sample* aSample)
|
||||
FFmpegH264Decoder<LIBAV_VER>::Input(mp4_demuxer::MP4Sample* aSample)
|
||||
{
|
||||
mTaskQueue->Dispatch(
|
||||
NS_NewRunnableMethodWithArg<nsAutoPtr<mp4_demuxer::MP4Sample> >(
|
||||
this, &FFmpegH264Decoder::DecodeFrame,
|
||||
this, &FFmpegH264Decoder<LIBAV_VER>::DecodeFrame,
|
||||
nsAutoPtr<mp4_demuxer::MP4Sample>(aSample)));
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
void
|
||||
FFmpegH264Decoder::OutputDelayedFrames()
|
||||
FFmpegH264Decoder<LIBAV_VER>::OutputDelayedFrames()
|
||||
{
|
||||
while (!mDelayedFrames.IsEmpty()) {
|
||||
mCallback->Output(mDelayedFrames.Pop());
|
||||
|
|
@ -228,7 +228,7 @@ FFmpegH264Decoder::OutputDelayedFrames()
|
|||
}
|
||||
|
||||
nsresult
|
||||
FFmpegH264Decoder::Drain()
|
||||
FFmpegH264Decoder<LIBAV_VER>::Drain()
|
||||
{
|
||||
// The maximum number of frames that can be waiting to be decoded is
|
||||
// max_b_frames + 1: One P frame and max_b_frames B frames.
|
||||
|
|
@ -241,14 +241,14 @@ FFmpegH264Decoder::Drain()
|
|||
NS_ENSURE_SUCCESS(rv, rv);
|
||||
}
|
||||
|
||||
mTaskQueue->Dispatch(
|
||||
NS_NewRunnableMethod(this, &FFmpegH264Decoder::OutputDelayedFrames));
|
||||
mTaskQueue->Dispatch(NS_NewRunnableMethod(
|
||||
this, &FFmpegH264Decoder<LIBAV_VER>::OutputDelayedFrames));
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
FFmpegH264Decoder::Flush()
|
||||
FFmpegH264Decoder<LIBAV_VER>::Flush()
|
||||
{
|
||||
nsresult rv = FFmpegDataDecoder::Flush();
|
||||
// Even if the above fails we may as well clear our frame queue.
|
||||
|
|
@ -256,7 +256,8 @@ FFmpegH264Decoder::Flush()
|
|||
return rv;
|
||||
}
|
||||
|
||||
FFmpegH264Decoder::~FFmpegH264Decoder() {
|
||||
FFmpegH264Decoder<LIBAV_VER>::~FFmpegH264Decoder()
|
||||
{
|
||||
MOZ_COUNT_DTOR(FFmpegH264Decoder);
|
||||
MOZ_ASSERT(mDelayedFrames.IsEmpty());
|
||||
}
|
||||
|
|
|
|||
|
|
@ -14,7 +14,13 @@
|
|||
namespace mozilla
|
||||
{
|
||||
|
||||
class FFmpegH264Decoder : public FFmpegDataDecoder
|
||||
template <int V>
|
||||
class FFmpegH264Decoder : public FFmpegDataDecoder<V>
|
||||
{
|
||||
};
|
||||
|
||||
template <>
|
||||
class FFmpegH264Decoder<LIBAV_VER> : public FFmpegDataDecoder<LIBAV_VER>
|
||||
{
|
||||
typedef mozilla::layers::Image Image;
|
||||
typedef mozilla::layers::ImageContainer ImageContainer;
|
||||
|
|
@ -22,7 +28,7 @@ class FFmpegH264Decoder : public FFmpegDataDecoder
|
|||
public:
|
||||
FFmpegH264Decoder(MediaTaskQueue* aTaskQueue,
|
||||
MediaDataDecoderCallback* aCallback,
|
||||
const mp4_demuxer::VideoDecoderConfig &aConfig,
|
||||
const mp4_demuxer::VideoDecoderConfig& aConfig,
|
||||
ImageContainer* aImageContainer);
|
||||
virtual ~FFmpegH264Decoder();
|
||||
|
||||
|
|
@ -64,7 +70,7 @@ private:
|
|||
|
||||
struct VideoDataComparator
|
||||
{
|
||||
bool LessThan(VideoData* const &a, VideoData* const &b) const
|
||||
bool LessThan(VideoData* const& a, VideoData* const& b) const
|
||||
{
|
||||
return a->mTime < b->mTime;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,34 @@
|
|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
||||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
#ifndef __FFmpegLibs_h__
|
||||
#define __FFmpegLibs_h__
|
||||
|
||||
extern "C" {
|
||||
#pragma GCC visibility push(default)
|
||||
#include <libavcodec/avcodec.h>
|
||||
#include <libavformat/avformat.h>
|
||||
#include <libavutil/imgutils.h>
|
||||
#pragma GCC visibility pop
|
||||
}
|
||||
|
||||
#if LIBAVCODEC_VERSION_MAJOR < 55
|
||||
#define AV_CODEC_ID_H264 CODEC_ID_H264
|
||||
#define AV_CODEC_ID_AAC CODEC_ID_AAC
|
||||
typedef CodecID AVCodecID;
|
||||
#endif
|
||||
|
||||
enum { LIBAV_VER = LIBAVFORMAT_VERSION_MAJOR };
|
||||
|
||||
namespace mozilla {
|
||||
|
||||
#define AV_FUNC(func) extern typeof(func)* func;
|
||||
#include "FFmpegFunctionList.h"
|
||||
#undef AV_FUNC
|
||||
|
||||
}
|
||||
|
||||
#endif // __FFmpegLibs_h__
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
||||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
#include "prlog.h"
|
||||
|
||||
PRLogModuleInfo* GetFFmpegDecoderLog()
|
||||
{
|
||||
static PRLogModuleInfo* sFFmpegDecoderLog = nullptr;
|
||||
if (!sFFmpegDecoderLog) {
|
||||
sFFmpegDecoderLog = PR_NewLogModule("FFmpegDecoderModule");
|
||||
}
|
||||
return sFFmpegDecoderLog;
|
||||
}
|
||||
|
||||
|
|
@ -4,15 +4,14 @@
|
|||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
#ifndef __FFmpegCompat_h__
|
||||
#define __FFmpegCompat_h__
|
||||
#ifndef __FFmpegLog_h__
|
||||
#define __FFmpegLog_h__
|
||||
|
||||
#include <libavcodec/version.h>
|
||||
|
||||
#if LIBAVCODEC_VERSION_MAJOR < 55
|
||||
#define AV_CODEC_ID_H264 CODEC_ID_H264
|
||||
#define AV_CODEC_ID_AAC CODEC_ID_AAC
|
||||
typedef CodecID AVCodecID;
|
||||
#ifdef PR_LOGGING
|
||||
extern PRLogModuleInfo* GetFFmpegDecoderLog();
|
||||
#define FFMPEG_LOG(...) PR_LOG(GetFFmpegDecoderLog(), PR_LOG_DEBUG, (__VA_ARGS__))
|
||||
#else
|
||||
#define FFMPEG_LOG(...)
|
||||
#endif
|
||||
|
||||
#endif // __FFmpegCompat_h__
|
||||
#endif // __FFmpegLog_h__
|
||||
|
|
@ -6,34 +6,40 @@
|
|||
|
||||
#include <dlfcn.h>
|
||||
|
||||
#include "nsDebug.h"
|
||||
|
||||
#include "FFmpegRuntimeLinker.h"
|
||||
|
||||
// For FFMPEG_LOG
|
||||
#include "FFmpegDecoderModule.h"
|
||||
#include "mozilla/ArrayUtils.h"
|
||||
#include "FFmpegLog.h"
|
||||
|
||||
#define NUM_ELEMENTS(X) (sizeof(X) / sizeof((X)[0]))
|
||||
|
||||
#define LIBAVCODEC 0
|
||||
#define LIBAVFORMAT 1
|
||||
#define LIBAVUTIL 2
|
||||
|
||||
namespace mozilla
|
||||
{
|
||||
|
||||
FFmpegRuntimeLinker::LinkStatus FFmpegRuntimeLinker::sLinkStatus =
|
||||
LinkStatus_INIT;
|
||||
|
||||
static const char * const sLibNames[] = {
|
||||
"libavcodec.so.53", "libavformat.so.53", "libavutil.so.51",
|
||||
struct AvFormatLib
|
||||
{
|
||||
const char* Name;
|
||||
PlatformDecoderModule* (*Factory)();
|
||||
};
|
||||
|
||||
void* FFmpegRuntimeLinker::sLinkedLibs[NUM_ELEMENTS(sLibNames)] = {
|
||||
nullptr, nullptr, nullptr
|
||||
template <int V> class FFmpegDecoderModule
|
||||
{
|
||||
public:
|
||||
static PlatformDecoderModule* Create();
|
||||
};
|
||||
|
||||
#define AV_FUNC(lib, func) typeof(func) func;
|
||||
static const AvFormatLib sLibs[] = {
|
||||
{ "libavformat.so.55", FFmpegDecoderModule<55>::Create },
|
||||
{ "libavformat.so.54", FFmpegDecoderModule<54>::Create },
|
||||
{ "libavformat.so.53", FFmpegDecoderModule<53>::Create },
|
||||
};
|
||||
|
||||
void* FFmpegRuntimeLinker::sLinkedLib = nullptr;
|
||||
const AvFormatLib* FFmpegRuntimeLinker::sLib = nullptr;
|
||||
|
||||
#define AV_FUNC(func) void (*func)();
|
||||
#include "FFmpegFunctionList.h"
|
||||
#undef AV_FUNC
|
||||
|
||||
|
|
@ -44,41 +50,60 @@ FFmpegRuntimeLinker::Link()
|
|||
return sLinkStatus == LinkStatus_SUCCEEDED;
|
||||
}
|
||||
|
||||
for (uint32_t i = 0; i < NUM_ELEMENTS(sLinkedLibs); i++) {
|
||||
if (!(sLinkedLibs[i] = dlopen(sLibNames[i], RTLD_NOW | RTLD_LOCAL))) {
|
||||
NS_WARNING("Couldn't link ffmpeg libraries.");
|
||||
goto fail;
|
||||
for (size_t i = 0; i < ArrayLength(sLibs); i++) {
|
||||
const AvFormatLib* lib = &sLibs[i];
|
||||
sLinkedLib = dlopen(lib->Name, RTLD_NOW | RTLD_LOCAL);
|
||||
if (sLinkedLib) {
|
||||
if (Bind(lib->Name)) {
|
||||
sLib = lib;
|
||||
sLinkStatus = LinkStatus_SUCCEEDED;
|
||||
return true;
|
||||
}
|
||||
// Shouldn't happen but if it does then we try the next lib..
|
||||
Unlink();
|
||||
}
|
||||
}
|
||||
|
||||
#define AV_FUNC(lib, func) \
|
||||
func = (typeof(func))dlsym(sLinkedLibs[lib], #func); \
|
||||
if (!func) { \
|
||||
NS_WARNING("Couldn't load FFmpeg function " #func "."); \
|
||||
goto fail; \
|
||||
FFMPEG_LOG("H264/AAC codecs unsupported without [");
|
||||
for (size_t i = 0; i < ArrayLength(sLibs); i++) {
|
||||
FFMPEG_LOG("%s %s", i ? "," : "", sLibs[i].Name);
|
||||
}
|
||||
#include "FFmpegFunctionList.h"
|
||||
#undef AV_FUNC
|
||||
FFMPEG_LOG(" ]\n");
|
||||
|
||||
sLinkStatus = LinkStatus_SUCCEEDED;
|
||||
return true;
|
||||
|
||||
fail:
|
||||
Unlink();
|
||||
|
||||
sLinkStatus = LinkStatus_FAILED;
|
||||
return false;
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
/* static */ bool
|
||||
FFmpegRuntimeLinker::Bind(const char* aLibName)
|
||||
{
|
||||
#define AV_FUNC(func) \
|
||||
if (!(func = (typeof(func))dlsym(sLinkedLib, #func))) { \
|
||||
FFMPEG_LOG("Couldn't load function " #func " from %s.", aLibName); \
|
||||
return false; \
|
||||
}
|
||||
#include "FFmpegFunctionList.h"
|
||||
#undef AV_FUNC
|
||||
return true;
|
||||
}
|
||||
|
||||
/* static */ PlatformDecoderModule*
|
||||
FFmpegRuntimeLinker::CreateDecoderModule()
|
||||
{
|
||||
PlatformDecoderModule* module = sLib->Factory();
|
||||
return module;
|
||||
}
|
||||
|
||||
/* static */ void
|
||||
FFmpegRuntimeLinker::Unlink()
|
||||
{
|
||||
FFMPEG_LOG("Unlinking ffmpeg libraries.");
|
||||
for (uint32_t i = 0; i < NUM_ELEMENTS(sLinkedLibs); i++) {
|
||||
if (sLinkedLibs[i]) {
|
||||
dlclose(sLinkedLibs[i]);
|
||||
sLinkedLibs[i] = nullptr;
|
||||
}
|
||||
if (sLinkedLib) {
|
||||
dlclose(sLinkedLib);
|
||||
sLinkedLib = nullptr;
|
||||
sLib = nullptr;
|
||||
sLinkStatus = LinkStatus_INIT;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -7,27 +7,24 @@
|
|||
#ifndef __FFmpegRuntimeLinker_h__
|
||||
#define __FFmpegRuntimeLinker_h__
|
||||
|
||||
extern "C" {
|
||||
#pragma GCC visibility push(default)
|
||||
#include <libavcodec/avcodec.h>
|
||||
#include <libavformat/avformat.h>
|
||||
#include <libavutil/imgutils.h>
|
||||
#pragma GCC visibility pop
|
||||
}
|
||||
|
||||
#include "nsAutoPtr.h"
|
||||
|
||||
namespace mozilla
|
||||
{
|
||||
|
||||
class PlatformDecoderModule;
|
||||
struct AvFormatLib;
|
||||
|
||||
class FFmpegRuntimeLinker
|
||||
{
|
||||
public:
|
||||
static bool Link();
|
||||
static void Unlink();
|
||||
static PlatformDecoderModule* CreateDecoderModule();
|
||||
|
||||
private:
|
||||
static void* sLinkedLibs[];
|
||||
static void* sLinkedLib;
|
||||
static const AvFormatLib* sLib;
|
||||
|
||||
static bool Bind(const char* aLibName);
|
||||
|
||||
static enum LinkStatus {
|
||||
LinkStatus_INIT = 0,
|
||||
|
|
@ -36,9 +33,6 @@ private:
|
|||
} sLinkStatus;
|
||||
};
|
||||
|
||||
#define AV_FUNC(lib, func) extern typeof(func)* func;
|
||||
#include "FFmpegFunctionList.h"
|
||||
#undef AV_FUNC
|
||||
}
|
||||
|
||||
#endif // __FFmpegRuntimeLinker_h__
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
These headers are taken from Libav version 0.8.9.
|
||||
These headers are taken from Libav versions 0.8.9, 0.9 and 1.0.
|
||||
|
||||
These headers are licensed under the GNU Lesser General Public License version
|
||||
2.1. For more information see the file COPYING.LGPLv2.1
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
|
||||
# vim: set filetype=python:
|
||||
# This Source Code Form is subject to the terms of the Mozilla Public
|
||||
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
||||
|
||||
UNIFIED_SOURCES += [
|
||||
'../FFmpegAACDecoder.cpp',
|
||||
'../FFmpegDataDecoder.cpp',
|
||||
'../FFmpegDecoderModule.cpp',
|
||||
'../FFmpegH264Decoder.cpp',
|
||||
]
|
||||
LOCAL_INCLUDES += [
|
||||
'..',
|
||||
'include',
|
||||
]
|
||||
|
||||
FINAL_LIBRARY = 'gklayout'
|
||||
|
||||
FAIL_ON_WARNINGS = True
|
||||
|
|
@ -0,0 +1,504 @@
|
|||
GNU LESSER GENERAL PUBLIC LICENSE
|
||||
Version 2.1, February 1999
|
||||
|
||||
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
|
||||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
[This is the first released version of the Lesser GPL. It also counts
|
||||
as the successor of the GNU Library Public License, version 2, hence
|
||||
the version number 2.1.]
|
||||
|
||||
Preamble
|
||||
|
||||
The licenses for most software are designed to take away your
|
||||
freedom to share and change it. By contrast, the GNU General Public
|
||||
Licenses are intended to guarantee your freedom to share and change
|
||||
free software--to make sure the software is free for all its users.
|
||||
|
||||
This license, the Lesser General Public License, applies to some
|
||||
specially designated software packages--typically libraries--of the
|
||||
Free Software Foundation and other authors who decide to use it. You
|
||||
can use it too, but we suggest you first think carefully about whether
|
||||
this license or the ordinary General Public License is the better
|
||||
strategy to use in any particular case, based on the explanations below.
|
||||
|
||||
When we speak of free software, we are referring to freedom of use,
|
||||
not price. Our General Public Licenses are designed to make sure that
|
||||
you have the freedom to distribute copies of free software (and charge
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
To protect your rights, we need to make restrictions that forbid
|
||||
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|
||||
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|
||||
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|
||||
|
||||
For example, if you distribute copies of the library, whether gratis
|
||||
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|
||||
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|
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|
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|
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|
||||
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|
||||
|
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We protect your rights with a two-step method: (1) we copyright the
|
||||
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|
||||
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|
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||||
To protect each distributor, we want to make it very clear that
|
||||
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|
||||
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|
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|
||||
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|
||||
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|
||||
|
||||
Finally, software patents pose a constant threat to the existence of
|
||||
any free program. We wish to make sure that a company cannot
|
||||
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|
||||
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|
||||
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|
||||
consistent with the full freedom of use specified in this license.
|
||||
|
||||
Most GNU software, including some libraries, is covered by the
|
||||
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|
||||
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|
||||
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|
||||
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|
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|
||||
|
||||
When a program is linked with a library, whether statically or using
|
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a shared library, the combination of the two is legally speaking a
|
||||
combined work, a derivative of the original library. The ordinary
|
||||
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|
||||
entire combination fits its criteria of freedom. The Lesser General
|
||||
Public License permits more lax criteria for linking other code with
|
||||
the library.
|
||||
|
||||
We call this license the "Lesser" General Public License because it
|
||||
does Less to protect the user's freedom than the ordinary General
|
||||
Public License. It also provides other free software developers Less
|
||||
of an advantage over competing non-free programs. These disadvantages
|
||||
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|
||||
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|
||||
special circumstances.
|
||||
|
||||
For example, on rare occasions, there may be a special need to
|
||||
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|
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|
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allowed to use the library. A more frequent case is that a free
|
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|
||||
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|
||||
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|
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|
||||
In other cases, permission to use a particular library in non-free
|
||||
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|
||||
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|
||||
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|
||||
operating system, as well as its variant, the GNU/Linux operating
|
||||
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|
||||
|
||||
Although the Lesser General Public License is Less protective of the
|
||||
users' freedom, it does ensure that the user of a program that is
|
||||
linked with the Library has the freedom and the wherewithal to run
|
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The precise terms and conditions for copying, distribution and
|
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|
||||
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|
||||
former contains code derived from the library, whereas the latter must
|
||||
be combined with the library in order to run.
|
||||
|
||||
GNU LESSER GENERAL PUBLIC LICENSE
|
||||
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
|
||||
|
||||
0. This License Agreement applies to any software library or other
|
||||
program which contains a notice placed by the copyright holder or
|
||||
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|
||||
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|
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Each licensee is addressed as "you".
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||||
|
||||
A "library" means a collection of software functions and/or data
|
||||
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The "Library", below, refers to any such software library or work
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Activities other than copying, distribution and modification are not
|
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||||
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|
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||||
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|
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|
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|
||||
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|
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|
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|
||||
(For example, a function in a library to compute square roots has
|
||||
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|
||||
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|
||||
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|
||||
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|
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These requirements apply to the modified work as a whole. If
|
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Thus, it is not the intent of this section to claim rights or contest
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|
||||
It may happen that this requirement contradicts the license
|
||||
restrictions of other proprietary libraries that do not normally
|
||||
accompany the operating system. Such a contradiction means you cannot
|
||||
use both them and the Library together in an executable that you
|
||||
distribute.
|
||||
|
||||
7. You may place library facilities that are a work based on the
|
||||
Library side-by-side in a single library together with other library
|
||||
facilities not covered by this License, and distribute such a combined
|
||||
library, provided that the separate distribution of the work based on
|
||||
the Library and of the other library facilities is otherwise
|
||||
permitted, and provided that you do these two things:
|
||||
|
||||
a) Accompany the combined library with a copy of the same work
|
||||
based on the Library, uncombined with any other library
|
||||
facilities. This must be distributed under the terms of the
|
||||
Sections above.
|
||||
|
||||
b) Give prominent notice with the combined library of the fact
|
||||
that part of it is a work based on the Library, and explaining
|
||||
where to find the accompanying uncombined form of the same work.
|
||||
|
||||
8. You may not copy, modify, sublicense, link with, or distribute
|
||||
the Library except as expressly provided under this License. Any
|
||||
attempt otherwise to copy, modify, sublicense, link with, or
|
||||
distribute the Library is void, and will automatically terminate your
|
||||
rights under this License. However, parties who have received copies,
|
||||
or rights, from you under this License will not have their licenses
|
||||
terminated so long as such parties remain in full compliance.
|
||||
|
||||
9. You are not required to accept this License, since you have not
|
||||
signed it. However, nothing else grants you permission to modify or
|
||||
distribute the Library or its derivative works. These actions are
|
||||
prohibited by law if you do not accept this License. Therefore, by
|
||||
modifying or distributing the Library (or any work based on the
|
||||
Library), you indicate your acceptance of this License to do so, and
|
||||
all its terms and conditions for copying, distributing or modifying
|
||||
the Library or works based on it.
|
||||
|
||||
10. Each time you redistribute the Library (or any work based on the
|
||||
Library), the recipient automatically receives a license from the
|
||||
original licensor to copy, distribute, link with or modify the Library
|
||||
subject to these terms and conditions. You may not impose any further
|
||||
restrictions on the recipients' exercise of the rights granted herein.
|
||||
You are not responsible for enforcing compliance by third parties with
|
||||
this License.
|
||||
|
||||
11. If, as a consequence of a court judgment or allegation of patent
|
||||
infringement or for any other reason (not limited to patent issues),
|
||||
conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot
|
||||
distribute so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you
|
||||
may not distribute the Library at all. For example, if a patent
|
||||
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|
||||
all those who receive copies directly or indirectly through you, then
|
||||
the only way you could satisfy both it and this License would be to
|
||||
refrain entirely from distribution of the Library.
|
||||
|
||||
If any portion of this section is held invalid or unenforceable under any
|
||||
particular circumstance, the balance of the section is intended to apply,
|
||||
and the section as a whole is intended to apply in other circumstances.
|
||||
|
||||
It is not the purpose of this section to induce you to infringe any
|
||||
patents or other property right claims or to contest validity of any
|
||||
such claims; this section has the sole purpose of protecting the
|
||||
integrity of the free software distribution system which is
|
||||
implemented by public license practices. Many people have made
|
||||
generous contributions to the wide range of software distributed
|
||||
through that system in reliance on consistent application of that
|
||||
system; it is up to the author/donor to decide if he or she is willing
|
||||
to distribute software through any other system and a licensee cannot
|
||||
impose that choice.
|
||||
|
||||
This section is intended to make thoroughly clear what is believed to
|
||||
be a consequence of the rest of this License.
|
||||
|
||||
12. If the distribution and/or use of the Library is restricted in
|
||||
certain countries either by patents or by copyrighted interfaces, the
|
||||
original copyright holder who places the Library under this License may add
|
||||
an explicit geographical distribution limitation excluding those countries,
|
||||
so that distribution is permitted only in or among countries not thus
|
||||
excluded. In such case, this License incorporates the limitation as if
|
||||
written in the body of this License.
|
||||
|
||||
13. The Free Software Foundation may publish revised and/or new
|
||||
versions of the Lesser General Public License from time to time.
|
||||
Such new versions will be similar in spirit to the present version,
|
||||
but may differ in detail to address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the Library
|
||||
specifies a version number of this License which applies to it and
|
||||
"any later version", you have the option of following the terms and
|
||||
conditions either of that version or of any later version published by
|
||||
the Free Software Foundation. If the Library does not specify a
|
||||
license version number, you may choose any version ever published by
|
||||
the Free Software Foundation.
|
||||
|
||||
14. If you wish to incorporate parts of the Library into other free
|
||||
programs whose distribution conditions are incompatible with these,
|
||||
write to the author to ask for permission. For software which is
|
||||
copyrighted by the Free Software Foundation, write to the Free
|
||||
Software Foundation; we sometimes make exceptions for this. Our
|
||||
decision will be guided by the two goals of preserving the free status
|
||||
of all derivatives of our free software and of promoting the sharing
|
||||
and reuse of software generally.
|
||||
|
||||
NO WARRANTY
|
||||
|
||||
15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
|
||||
WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
|
||||
EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
|
||||
OTHER PARTIES PROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY OF ANY
|
||||
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE
|
||||
LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME
|
||||
THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||
|
||||
16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
|
||||
WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
|
||||
AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
|
||||
FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
|
||||
CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
|
||||
LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
|
||||
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
|
||||
FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
|
||||
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
|
||||
DAMAGES.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
How to Apply These Terms to Your New Libraries
|
||||
|
||||
If you develop a new library, and you want it to be of the greatest
|
||||
possible use to the public, we recommend making it free software that
|
||||
everyone can redistribute and change. You can do so by permitting
|
||||
redistribution under these terms (or, alternatively, under the terms of the
|
||||
ordinary General Public License).
|
||||
|
||||
To apply these terms, attach the following notices to the library. It is
|
||||
safest to attach them to the start of each source file to most effectively
|
||||
convey the exclusion of warranty; and each file should have at least the
|
||||
"copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the library's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
This library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
This library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with this library; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
You should also get your employer (if you work as a programmer) or your
|
||||
school, if any, to sign a "copyright disclaimer" for the library, if
|
||||
necessary. Here is a sample; alter the names:
|
||||
|
||||
Yoyodyne, Inc., hereby disclaims all copyright interest in the
|
||||
library `Frob' (a library for tweaking knobs) written by James Random Hacker.
|
||||
|
||||
<signature of Ty Coon>, 1 April 1990
|
||||
Ty Coon, President of Vice
|
||||
|
||||
That's all there is to it!
|
||||
|
||||
|
||||
Разница между файлами не показана из-за своего большого размера
Загрузить разницу
|
|
@ -0,0 +1,116 @@
|
|||
/*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVCODEC_AVFFT_H
|
||||
#define AVCODEC_AVFFT_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @ingroup lavc_fft
|
||||
* FFT functions
|
||||
*/
|
||||
|
||||
/**
|
||||
* @defgroup lavc_fft FFT functions
|
||||
* @ingroup lavc_misc
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
typedef float FFTSample;
|
||||
|
||||
typedef struct FFTComplex {
|
||||
FFTSample re, im;
|
||||
} FFTComplex;
|
||||
|
||||
typedef struct FFTContext FFTContext;
|
||||
|
||||
/**
|
||||
* Set up a complex FFT.
|
||||
* @param nbits log2 of the length of the input array
|
||||
* @param inverse if 0 perform the forward transform, if 1 perform the inverse
|
||||
*/
|
||||
FFTContext *av_fft_init(int nbits, int inverse);
|
||||
|
||||
/**
|
||||
* Do the permutation needed BEFORE calling ff_fft_calc().
|
||||
*/
|
||||
void av_fft_permute(FFTContext *s, FFTComplex *z);
|
||||
|
||||
/**
|
||||
* Do a complex FFT with the parameters defined in av_fft_init(). The
|
||||
* input data must be permuted before. No 1.0/sqrt(n) normalization is done.
|
||||
*/
|
||||
void av_fft_calc(FFTContext *s, FFTComplex *z);
|
||||
|
||||
void av_fft_end(FFTContext *s);
|
||||
|
||||
FFTContext *av_mdct_init(int nbits, int inverse, double scale);
|
||||
void av_imdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input);
|
||||
void av_imdct_half(FFTContext *s, FFTSample *output, const FFTSample *input);
|
||||
void av_mdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input);
|
||||
void av_mdct_end(FFTContext *s);
|
||||
|
||||
/* Real Discrete Fourier Transform */
|
||||
|
||||
enum RDFTransformType {
|
||||
DFT_R2C,
|
||||
IDFT_C2R,
|
||||
IDFT_R2C,
|
||||
DFT_C2R,
|
||||
};
|
||||
|
||||
typedef struct RDFTContext RDFTContext;
|
||||
|
||||
/**
|
||||
* Set up a real FFT.
|
||||
* @param nbits log2 of the length of the input array
|
||||
* @param trans the type of transform
|
||||
*/
|
||||
RDFTContext *av_rdft_init(int nbits, enum RDFTransformType trans);
|
||||
void av_rdft_calc(RDFTContext *s, FFTSample *data);
|
||||
void av_rdft_end(RDFTContext *s);
|
||||
|
||||
/* Discrete Cosine Transform */
|
||||
|
||||
typedef struct DCTContext DCTContext;
|
||||
|
||||
enum DCTTransformType {
|
||||
DCT_II = 0,
|
||||
DCT_III,
|
||||
DCT_I,
|
||||
DST_I,
|
||||
};
|
||||
|
||||
/**
|
||||
* Set up DCT.
|
||||
* @param nbits size of the input array:
|
||||
* (1 << nbits) for DCT-II, DCT-III and DST-I
|
||||
* (1 << nbits) + 1 for DCT-I
|
||||
*
|
||||
* @note the first element of the input of DST-I is ignored
|
||||
*/
|
||||
DCTContext *av_dct_init(int nbits, enum DCTTransformType type);
|
||||
void av_dct_calc(DCTContext *s, FFTSample *data);
|
||||
void av_dct_end (DCTContext *s);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* AVCODEC_AVFFT_H */
|
||||
|
|
@ -0,0 +1,88 @@
|
|||
/*
|
||||
* DXVA2 HW acceleration
|
||||
*
|
||||
* copyright (c) 2009 Laurent Aimar
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVCODEC_DXVA_H
|
||||
#define AVCODEC_DXVA_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @ingroup lavc_codec_hwaccel_dxva2
|
||||
* Public libavcodec DXVA2 header.
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include <d3d9.h>
|
||||
#include <dxva2api.h>
|
||||
|
||||
/**
|
||||
* @defgroup lavc_codec_hwaccel_dxva2 DXVA2
|
||||
* @ingroup lavc_codec_hwaccel
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards
|
||||
|
||||
/**
|
||||
* This structure is used to provides the necessary configurations and data
|
||||
* to the DXVA2 Libav HWAccel implementation.
|
||||
*
|
||||
* The application must make it available as AVCodecContext.hwaccel_context.
|
||||
*/
|
||||
struct dxva_context {
|
||||
/**
|
||||
* DXVA2 decoder object
|
||||
*/
|
||||
IDirectXVideoDecoder *decoder;
|
||||
|
||||
/**
|
||||
* DXVA2 configuration used to create the decoder
|
||||
*/
|
||||
const DXVA2_ConfigPictureDecode *cfg;
|
||||
|
||||
/**
|
||||
* The number of surface in the surface array
|
||||
*/
|
||||
unsigned surface_count;
|
||||
|
||||
/**
|
||||
* The array of Direct3D surfaces used to create the decoder
|
||||
*/
|
||||
LPDIRECT3DSURFACE9 *surface;
|
||||
|
||||
/**
|
||||
* A bit field configuring the workarounds needed for using the decoder
|
||||
*/
|
||||
uint64_t workaround;
|
||||
|
||||
/**
|
||||
* Private to the Libav AVHWAccel implementation
|
||||
*/
|
||||
unsigned report_id;
|
||||
};
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* AVCODEC_DXVA_H */
|
||||
|
|
@ -0,0 +1,366 @@
|
|||
/*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVCODEC_OLD_CODEC_IDS_H
|
||||
#define AVCODEC_OLD_CODEC_IDS_H
|
||||
|
||||
/*
|
||||
* This header exists to prevent new codec IDs from being accidentally added to
|
||||
* the deprecated list.
|
||||
* Do not include it directly. It will be removed on next major bump
|
||||
*
|
||||
* Do not add new items to this list. Use the AVCodecID enum instead.
|
||||
*/
|
||||
|
||||
CODEC_ID_NONE = AV_CODEC_ID_NONE,
|
||||
|
||||
/* video codecs */
|
||||
CODEC_ID_MPEG1VIDEO,
|
||||
CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding
|
||||
CODEC_ID_MPEG2VIDEO_XVMC,
|
||||
CODEC_ID_H261,
|
||||
CODEC_ID_H263,
|
||||
CODEC_ID_RV10,
|
||||
CODEC_ID_RV20,
|
||||
CODEC_ID_MJPEG,
|
||||
CODEC_ID_MJPEGB,
|
||||
CODEC_ID_LJPEG,
|
||||
CODEC_ID_SP5X,
|
||||
CODEC_ID_JPEGLS,
|
||||
CODEC_ID_MPEG4,
|
||||
CODEC_ID_RAWVIDEO,
|
||||
CODEC_ID_MSMPEG4V1,
|
||||
CODEC_ID_MSMPEG4V2,
|
||||
CODEC_ID_MSMPEG4V3,
|
||||
CODEC_ID_WMV1,
|
||||
CODEC_ID_WMV2,
|
||||
CODEC_ID_H263P,
|
||||
CODEC_ID_H263I,
|
||||
CODEC_ID_FLV1,
|
||||
CODEC_ID_SVQ1,
|
||||
CODEC_ID_SVQ3,
|
||||
CODEC_ID_DVVIDEO,
|
||||
CODEC_ID_HUFFYUV,
|
||||
CODEC_ID_CYUV,
|
||||
CODEC_ID_H264,
|
||||
CODEC_ID_INDEO3,
|
||||
CODEC_ID_VP3,
|
||||
CODEC_ID_THEORA,
|
||||
CODEC_ID_ASV1,
|
||||
CODEC_ID_ASV2,
|
||||
CODEC_ID_FFV1,
|
||||
CODEC_ID_4XM,
|
||||
CODEC_ID_VCR1,
|
||||
CODEC_ID_CLJR,
|
||||
CODEC_ID_MDEC,
|
||||
CODEC_ID_ROQ,
|
||||
CODEC_ID_INTERPLAY_VIDEO,
|
||||
CODEC_ID_XAN_WC3,
|
||||
CODEC_ID_XAN_WC4,
|
||||
CODEC_ID_RPZA,
|
||||
CODEC_ID_CINEPAK,
|
||||
CODEC_ID_WS_VQA,
|
||||
CODEC_ID_MSRLE,
|
||||
CODEC_ID_MSVIDEO1,
|
||||
CODEC_ID_IDCIN,
|
||||
CODEC_ID_8BPS,
|
||||
CODEC_ID_SMC,
|
||||
CODEC_ID_FLIC,
|
||||
CODEC_ID_TRUEMOTION1,
|
||||
CODEC_ID_VMDVIDEO,
|
||||
CODEC_ID_MSZH,
|
||||
CODEC_ID_ZLIB,
|
||||
CODEC_ID_QTRLE,
|
||||
CODEC_ID_SNOW,
|
||||
CODEC_ID_TSCC,
|
||||
CODEC_ID_ULTI,
|
||||
CODEC_ID_QDRAW,
|
||||
CODEC_ID_VIXL,
|
||||
CODEC_ID_QPEG,
|
||||
CODEC_ID_PNG,
|
||||
CODEC_ID_PPM,
|
||||
CODEC_ID_PBM,
|
||||
CODEC_ID_PGM,
|
||||
CODEC_ID_PGMYUV,
|
||||
CODEC_ID_PAM,
|
||||
CODEC_ID_FFVHUFF,
|
||||
CODEC_ID_RV30,
|
||||
CODEC_ID_RV40,
|
||||
CODEC_ID_VC1,
|
||||
CODEC_ID_WMV3,
|
||||
CODEC_ID_LOCO,
|
||||
CODEC_ID_WNV1,
|
||||
CODEC_ID_AASC,
|
||||
CODEC_ID_INDEO2,
|
||||
CODEC_ID_FRAPS,
|
||||
CODEC_ID_TRUEMOTION2,
|
||||
CODEC_ID_BMP,
|
||||
CODEC_ID_CSCD,
|
||||
CODEC_ID_MMVIDEO,
|
||||
CODEC_ID_ZMBV,
|
||||
CODEC_ID_AVS,
|
||||
CODEC_ID_SMACKVIDEO,
|
||||
CODEC_ID_NUV,
|
||||
CODEC_ID_KMVC,
|
||||
CODEC_ID_FLASHSV,
|
||||
CODEC_ID_CAVS,
|
||||
CODEC_ID_JPEG2000,
|
||||
CODEC_ID_VMNC,
|
||||
CODEC_ID_VP5,
|
||||
CODEC_ID_VP6,
|
||||
CODEC_ID_VP6F,
|
||||
CODEC_ID_TARGA,
|
||||
CODEC_ID_DSICINVIDEO,
|
||||
CODEC_ID_TIERTEXSEQVIDEO,
|
||||
CODEC_ID_TIFF,
|
||||
CODEC_ID_GIF,
|
||||
CODEC_ID_DXA,
|
||||
CODEC_ID_DNXHD,
|
||||
CODEC_ID_THP,
|
||||
CODEC_ID_SGI,
|
||||
CODEC_ID_C93,
|
||||
CODEC_ID_BETHSOFTVID,
|
||||
CODEC_ID_PTX,
|
||||
CODEC_ID_TXD,
|
||||
CODEC_ID_VP6A,
|
||||
CODEC_ID_AMV,
|
||||
CODEC_ID_VB,
|
||||
CODEC_ID_PCX,
|
||||
CODEC_ID_SUNRAST,
|
||||
CODEC_ID_INDEO4,
|
||||
CODEC_ID_INDEO5,
|
||||
CODEC_ID_MIMIC,
|
||||
CODEC_ID_RL2,
|
||||
CODEC_ID_ESCAPE124,
|
||||
CODEC_ID_DIRAC,
|
||||
CODEC_ID_BFI,
|
||||
CODEC_ID_CMV,
|
||||
CODEC_ID_MOTIONPIXELS,
|
||||
CODEC_ID_TGV,
|
||||
CODEC_ID_TGQ,
|
||||
CODEC_ID_TQI,
|
||||
CODEC_ID_AURA,
|
||||
CODEC_ID_AURA2,
|
||||
CODEC_ID_V210X,
|
||||
CODEC_ID_TMV,
|
||||
CODEC_ID_V210,
|
||||
CODEC_ID_DPX,
|
||||
CODEC_ID_MAD,
|
||||
CODEC_ID_FRWU,
|
||||
CODEC_ID_FLASHSV2,
|
||||
CODEC_ID_CDGRAPHICS,
|
||||
CODEC_ID_R210,
|
||||
CODEC_ID_ANM,
|
||||
CODEC_ID_BINKVIDEO,
|
||||
CODEC_ID_IFF_ILBM,
|
||||
CODEC_ID_IFF_BYTERUN1,
|
||||
CODEC_ID_KGV1,
|
||||
CODEC_ID_YOP,
|
||||
CODEC_ID_VP8,
|
||||
CODEC_ID_PICTOR,
|
||||
CODEC_ID_ANSI,
|
||||
CODEC_ID_A64_MULTI,
|
||||
CODEC_ID_A64_MULTI5,
|
||||
CODEC_ID_R10K,
|
||||
CODEC_ID_MXPEG,
|
||||
CODEC_ID_LAGARITH,
|
||||
CODEC_ID_PRORES,
|
||||
CODEC_ID_JV,
|
||||
CODEC_ID_DFA,
|
||||
CODEC_ID_WMV3IMAGE,
|
||||
CODEC_ID_VC1IMAGE,
|
||||
CODEC_ID_UTVIDEO,
|
||||
CODEC_ID_BMV_VIDEO,
|
||||
CODEC_ID_VBLE,
|
||||
CODEC_ID_DXTORY,
|
||||
CODEC_ID_V410,
|
||||
CODEC_ID_XWD,
|
||||
CODEC_ID_CDXL,
|
||||
CODEC_ID_XBM,
|
||||
CODEC_ID_ZEROCODEC,
|
||||
CODEC_ID_MSS1,
|
||||
CODEC_ID_MSA1,
|
||||
CODEC_ID_TSCC2,
|
||||
CODEC_ID_MTS2,
|
||||
CODEC_ID_CLLC,
|
||||
|
||||
/* various PCM "codecs" */
|
||||
CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
|
||||
CODEC_ID_PCM_S16LE = 0x10000,
|
||||
CODEC_ID_PCM_S16BE,
|
||||
CODEC_ID_PCM_U16LE,
|
||||
CODEC_ID_PCM_U16BE,
|
||||
CODEC_ID_PCM_S8,
|
||||
CODEC_ID_PCM_U8,
|
||||
CODEC_ID_PCM_MULAW,
|
||||
CODEC_ID_PCM_ALAW,
|
||||
CODEC_ID_PCM_S32LE,
|
||||
CODEC_ID_PCM_S32BE,
|
||||
CODEC_ID_PCM_U32LE,
|
||||
CODEC_ID_PCM_U32BE,
|
||||
CODEC_ID_PCM_S24LE,
|
||||
CODEC_ID_PCM_S24BE,
|
||||
CODEC_ID_PCM_U24LE,
|
||||
CODEC_ID_PCM_U24BE,
|
||||
CODEC_ID_PCM_S24DAUD,
|
||||
CODEC_ID_PCM_ZORK,
|
||||
CODEC_ID_PCM_S16LE_PLANAR,
|
||||
CODEC_ID_PCM_DVD,
|
||||
CODEC_ID_PCM_F32BE,
|
||||
CODEC_ID_PCM_F32LE,
|
||||
CODEC_ID_PCM_F64BE,
|
||||
CODEC_ID_PCM_F64LE,
|
||||
CODEC_ID_PCM_BLURAY,
|
||||
CODEC_ID_PCM_LXF,
|
||||
CODEC_ID_S302M,
|
||||
CODEC_ID_PCM_S8_PLANAR,
|
||||
|
||||
/* various ADPCM codecs */
|
||||
CODEC_ID_ADPCM_IMA_QT = 0x11000,
|
||||
CODEC_ID_ADPCM_IMA_WAV,
|
||||
CODEC_ID_ADPCM_IMA_DK3,
|
||||
CODEC_ID_ADPCM_IMA_DK4,
|
||||
CODEC_ID_ADPCM_IMA_WS,
|
||||
CODEC_ID_ADPCM_IMA_SMJPEG,
|
||||
CODEC_ID_ADPCM_MS,
|
||||
CODEC_ID_ADPCM_4XM,
|
||||
CODEC_ID_ADPCM_XA,
|
||||
CODEC_ID_ADPCM_ADX,
|
||||
CODEC_ID_ADPCM_EA,
|
||||
CODEC_ID_ADPCM_G726,
|
||||
CODEC_ID_ADPCM_CT,
|
||||
CODEC_ID_ADPCM_SWF,
|
||||
CODEC_ID_ADPCM_YAMAHA,
|
||||
CODEC_ID_ADPCM_SBPRO_4,
|
||||
CODEC_ID_ADPCM_SBPRO_3,
|
||||
CODEC_ID_ADPCM_SBPRO_2,
|
||||
CODEC_ID_ADPCM_THP,
|
||||
CODEC_ID_ADPCM_IMA_AMV,
|
||||
CODEC_ID_ADPCM_EA_R1,
|
||||
CODEC_ID_ADPCM_EA_R3,
|
||||
CODEC_ID_ADPCM_EA_R2,
|
||||
CODEC_ID_ADPCM_IMA_EA_SEAD,
|
||||
CODEC_ID_ADPCM_IMA_EA_EACS,
|
||||
CODEC_ID_ADPCM_EA_XAS,
|
||||
CODEC_ID_ADPCM_EA_MAXIS_XA,
|
||||
CODEC_ID_ADPCM_IMA_ISS,
|
||||
CODEC_ID_ADPCM_G722,
|
||||
CODEC_ID_ADPCM_IMA_APC,
|
||||
|
||||
/* AMR */
|
||||
CODEC_ID_AMR_NB = 0x12000,
|
||||
CODEC_ID_AMR_WB,
|
||||
|
||||
/* RealAudio codecs*/
|
||||
CODEC_ID_RA_144 = 0x13000,
|
||||
CODEC_ID_RA_288,
|
||||
|
||||
/* various DPCM codecs */
|
||||
CODEC_ID_ROQ_DPCM = 0x14000,
|
||||
CODEC_ID_INTERPLAY_DPCM,
|
||||
CODEC_ID_XAN_DPCM,
|
||||
CODEC_ID_SOL_DPCM,
|
||||
|
||||
/* audio codecs */
|
||||
CODEC_ID_MP2 = 0x15000,
|
||||
CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3
|
||||
CODEC_ID_AAC,
|
||||
CODEC_ID_AC3,
|
||||
CODEC_ID_DTS,
|
||||
CODEC_ID_VORBIS,
|
||||
CODEC_ID_DVAUDIO,
|
||||
CODEC_ID_WMAV1,
|
||||
CODEC_ID_WMAV2,
|
||||
CODEC_ID_MACE3,
|
||||
CODEC_ID_MACE6,
|
||||
CODEC_ID_VMDAUDIO,
|
||||
CODEC_ID_FLAC,
|
||||
CODEC_ID_MP3ADU,
|
||||
CODEC_ID_MP3ON4,
|
||||
CODEC_ID_SHORTEN,
|
||||
CODEC_ID_ALAC,
|
||||
CODEC_ID_WESTWOOD_SND1,
|
||||
CODEC_ID_GSM, ///< as in Berlin toast format
|
||||
CODEC_ID_QDM2,
|
||||
CODEC_ID_COOK,
|
||||
CODEC_ID_TRUESPEECH,
|
||||
CODEC_ID_TTA,
|
||||
CODEC_ID_SMACKAUDIO,
|
||||
CODEC_ID_QCELP,
|
||||
CODEC_ID_WAVPACK,
|
||||
CODEC_ID_DSICINAUDIO,
|
||||
CODEC_ID_IMC,
|
||||
CODEC_ID_MUSEPACK7,
|
||||
CODEC_ID_MLP,
|
||||
CODEC_ID_GSM_MS, /* as found in WAV */
|
||||
CODEC_ID_ATRAC3,
|
||||
CODEC_ID_VOXWARE,
|
||||
CODEC_ID_APE,
|
||||
CODEC_ID_NELLYMOSER,
|
||||
CODEC_ID_MUSEPACK8,
|
||||
CODEC_ID_SPEEX,
|
||||
CODEC_ID_WMAVOICE,
|
||||
CODEC_ID_WMAPRO,
|
||||
CODEC_ID_WMALOSSLESS,
|
||||
CODEC_ID_ATRAC3P,
|
||||
CODEC_ID_EAC3,
|
||||
CODEC_ID_SIPR,
|
||||
CODEC_ID_MP1,
|
||||
CODEC_ID_TWINVQ,
|
||||
CODEC_ID_TRUEHD,
|
||||
CODEC_ID_MP4ALS,
|
||||
CODEC_ID_ATRAC1,
|
||||
CODEC_ID_BINKAUDIO_RDFT,
|
||||
CODEC_ID_BINKAUDIO_DCT,
|
||||
CODEC_ID_AAC_LATM,
|
||||
CODEC_ID_QDMC,
|
||||
CODEC_ID_CELT,
|
||||
CODEC_ID_G723_1,
|
||||
CODEC_ID_G729,
|
||||
CODEC_ID_8SVX_EXP,
|
||||
CODEC_ID_8SVX_FIB,
|
||||
CODEC_ID_BMV_AUDIO,
|
||||
CODEC_ID_RALF,
|
||||
CODEC_ID_IAC,
|
||||
CODEC_ID_ILBC,
|
||||
|
||||
/* subtitle codecs */
|
||||
CODEC_ID_FIRST_SUBTITLE = 0x17000, ///< A dummy ID pointing at the start of subtitle codecs.
|
||||
CODEC_ID_DVD_SUBTITLE = 0x17000,
|
||||
CODEC_ID_DVB_SUBTITLE,
|
||||
CODEC_ID_TEXT, ///< raw UTF-8 text
|
||||
CODEC_ID_XSUB,
|
||||
CODEC_ID_SSA,
|
||||
CODEC_ID_MOV_TEXT,
|
||||
CODEC_ID_HDMV_PGS_SUBTITLE,
|
||||
CODEC_ID_DVB_TELETEXT,
|
||||
CODEC_ID_SRT,
|
||||
|
||||
/* other specific kind of codecs (generally used for attachments) */
|
||||
CODEC_ID_FIRST_UNKNOWN = 0x18000, ///< A dummy ID pointing at the start of various fake codecs.
|
||||
CODEC_ID_TTF = 0x18000,
|
||||
|
||||
CODEC_ID_PROBE = 0x19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it
|
||||
|
||||
CODEC_ID_MPEG2TS = 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS
|
||||
* stream (only used by libavformat) */
|
||||
CODEC_ID_MPEG4SYSTEMS = 0x20001, /**< _FAKE_ codec to indicate a MPEG-4 Systems
|
||||
* stream (only used by libavformat) */
|
||||
CODEC_ID_FFMETADATA = 0x21000, ///< Dummy codec for streams containing only metadata information.
|
||||
|
||||
#endif /* AVCODEC_OLD_CODEC_IDS_H */
|
||||
|
|
@ -0,0 +1,173 @@
|
|||
/*
|
||||
* Video Acceleration API (shared data between Libav and the video player)
|
||||
* HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1
|
||||
*
|
||||
* Copyright (C) 2008-2009 Splitted-Desktop Systems
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVCODEC_VAAPI_H
|
||||
#define AVCODEC_VAAPI_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @ingroup lavc_codec_hwaccel_vaapi
|
||||
* Public libavcodec VA API header.
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
/**
|
||||
* @defgroup lavc_codec_hwaccel_vaapi VA API Decoding
|
||||
* @ingroup lavc_codec_hwaccel
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* This structure is used to share data between the Libav library and
|
||||
* the client video application.
|
||||
* This shall be zero-allocated and available as
|
||||
* AVCodecContext.hwaccel_context. All user members can be set once
|
||||
* during initialization or through each AVCodecContext.get_buffer()
|
||||
* function call. In any case, they must be valid prior to calling
|
||||
* decoding functions.
|
||||
*/
|
||||
struct vaapi_context {
|
||||
/**
|
||||
* Window system dependent data
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by user
|
||||
*/
|
||||
void *display;
|
||||
|
||||
/**
|
||||
* Configuration ID
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by user
|
||||
*/
|
||||
uint32_t config_id;
|
||||
|
||||
/**
|
||||
* Context ID (video decode pipeline)
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by user
|
||||
*/
|
||||
uint32_t context_id;
|
||||
|
||||
/**
|
||||
* VAPictureParameterBuffer ID
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
uint32_t pic_param_buf_id;
|
||||
|
||||
/**
|
||||
* VAIQMatrixBuffer ID
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
uint32_t iq_matrix_buf_id;
|
||||
|
||||
/**
|
||||
* VABitPlaneBuffer ID (for VC-1 decoding)
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
uint32_t bitplane_buf_id;
|
||||
|
||||
/**
|
||||
* Slice parameter/data buffer IDs
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
uint32_t *slice_buf_ids;
|
||||
|
||||
/**
|
||||
* Number of effective slice buffer IDs to send to the HW
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
unsigned int n_slice_buf_ids;
|
||||
|
||||
/**
|
||||
* Size of pre-allocated slice_buf_ids
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
unsigned int slice_buf_ids_alloc;
|
||||
|
||||
/**
|
||||
* Pointer to VASliceParameterBuffers
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
void *slice_params;
|
||||
|
||||
/**
|
||||
* Size of a VASliceParameterBuffer element
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
unsigned int slice_param_size;
|
||||
|
||||
/**
|
||||
* Size of pre-allocated slice_params
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
unsigned int slice_params_alloc;
|
||||
|
||||
/**
|
||||
* Number of slices currently filled in
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
unsigned int slice_count;
|
||||
|
||||
/**
|
||||
* Pointer to slice data buffer base
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
const uint8_t *slice_data;
|
||||
|
||||
/**
|
||||
* Current size of slice data
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set by libavcodec
|
||||
*/
|
||||
uint32_t slice_data_size;
|
||||
};
|
||||
|
||||
/* @} */
|
||||
|
||||
#endif /* AVCODEC_VAAPI_H */
|
||||
|
|
@ -0,0 +1,217 @@
|
|||
/*
|
||||
* VDA HW acceleration
|
||||
*
|
||||
* copyright (c) 2011 Sebastien Zwickert
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVCODEC_VDA_H
|
||||
#define AVCODEC_VDA_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @ingroup lavc_codec_hwaccel_vda
|
||||
* Public libavcodec VDA header.
|
||||
*/
|
||||
|
||||
#include "libavcodec/version.h"
|
||||
|
||||
#if FF_API_VDA_ASYNC
|
||||
#include <pthread.h>
|
||||
#endif
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
// emmintrin.h is unable to compile with -std=c99 -Werror=missing-prototypes
|
||||
// http://openradar.appspot.com/8026390
|
||||
#undef __GNUC_STDC_INLINE__
|
||||
|
||||
#define Picture QuickdrawPicture
|
||||
#include <VideoDecodeAcceleration/VDADecoder.h>
|
||||
#undef Picture
|
||||
|
||||
/**
|
||||
* @defgroup lavc_codec_hwaccel_vda VDA
|
||||
* @ingroup lavc_codec_hwaccel
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#if FF_API_VDA_ASYNC
|
||||
/**
|
||||
* This structure is used to store decoded frame information and data.
|
||||
*
|
||||
* @deprecated Use synchronous decoding mode.
|
||||
*/
|
||||
typedef struct vda_frame {
|
||||
/**
|
||||
* The PTS of the frame.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by libavcodec.
|
||||
*/
|
||||
int64_t pts;
|
||||
|
||||
/**
|
||||
* The CoreVideo buffer that contains the decoded data.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by libavcodec.
|
||||
*/
|
||||
CVPixelBufferRef cv_buffer;
|
||||
|
||||
/**
|
||||
* A pointer to the next frame.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by libavcodec.
|
||||
*/
|
||||
struct vda_frame *next_frame;
|
||||
} vda_frame;
|
||||
#endif
|
||||
|
||||
/**
|
||||
* This structure is used to provide the necessary configurations and data
|
||||
* to the VDA Libav HWAccel implementation.
|
||||
*
|
||||
* The application must make it available as AVCodecContext.hwaccel_context.
|
||||
*/
|
||||
struct vda_context {
|
||||
/**
|
||||
* VDA decoder object.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by libavcodec.
|
||||
*/
|
||||
VDADecoder decoder;
|
||||
|
||||
/**
|
||||
* The Core Video pixel buffer that contains the current image data.
|
||||
*
|
||||
* encoding: unused
|
||||
* decoding: Set by libavcodec. Unset by user.
|
||||
*/
|
||||
CVPixelBufferRef cv_buffer;
|
||||
|
||||
/**
|
||||
* Use the hardware decoder in synchronous mode.
|
||||
*
|
||||
* encoding: unused
|
||||
* decoding: Set by user.
|
||||
*/
|
||||
int use_sync_decoding;
|
||||
|
||||
#if FF_API_VDA_ASYNC
|
||||
/**
|
||||
* VDA frames queue ordered by presentation timestamp.
|
||||
*
|
||||
* @deprecated Use synchronous decoding mode.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by libavcodec.
|
||||
*/
|
||||
vda_frame *queue;
|
||||
|
||||
/**
|
||||
* Mutex for locking queue operations.
|
||||
*
|
||||
* @deprecated Use synchronous decoding mode.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by libavcodec.
|
||||
*/
|
||||
pthread_mutex_t queue_mutex;
|
||||
#endif
|
||||
|
||||
/**
|
||||
* The frame width.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by user.
|
||||
*/
|
||||
int width;
|
||||
|
||||
/**
|
||||
* The frame height.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by user.
|
||||
*/
|
||||
int height;
|
||||
|
||||
/**
|
||||
* The frame format.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by user.
|
||||
*/
|
||||
int format;
|
||||
|
||||
/**
|
||||
* The pixel format for output image buffers.
|
||||
*
|
||||
* - encoding: unused
|
||||
* - decoding: Set/Unset by user.
|
||||
*/
|
||||
OSType cv_pix_fmt_type;
|
||||
|
||||
/**
|
||||
* The current bitstream buffer.
|
||||
*/
|
||||
uint8_t *priv_bitstream;
|
||||
|
||||
/**
|
||||
* The current size of the bitstream.
|
||||
*/
|
||||
int priv_bitstream_size;
|
||||
|
||||
/**
|
||||
* The reference size used for fast reallocation.
|
||||
*/
|
||||
int priv_allocated_size;
|
||||
};
|
||||
|
||||
/** Create the video decoder. */
|
||||
int ff_vda_create_decoder(struct vda_context *vda_ctx,
|
||||
uint8_t *extradata,
|
||||
int extradata_size);
|
||||
|
||||
/** Destroy the video decoder. */
|
||||
int ff_vda_destroy_decoder(struct vda_context *vda_ctx);
|
||||
|
||||
#if FF_API_VDA_ASYNC
|
||||
/**
|
||||
* Return the top frame of the queue.
|
||||
*
|
||||
* @deprecated Use synchronous decoding mode.
|
||||
*/
|
||||
vda_frame *ff_vda_queue_pop(struct vda_context *vda_ctx);
|
||||
|
||||
/**
|
||||
* Release the given frame.
|
||||
*
|
||||
* @deprecated Use synchronous decoding mode.
|
||||
*/
|
||||
void ff_vda_release_vda_frame(vda_frame *frame);
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* AVCODEC_VDA_H */
|
||||
|
|
@ -0,0 +1,94 @@
|
|||
/*
|
||||
* The Video Decode and Presentation API for UNIX (VDPAU) is used for
|
||||
* hardware-accelerated decoding of MPEG-1/2, H.264 and VC-1.
|
||||
*
|
||||
* Copyright (C) 2008 NVIDIA
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVCODEC_VDPAU_H
|
||||
#define AVCODEC_VDPAU_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @ingroup lavc_codec_hwaccel_vdpau
|
||||
* Public libavcodec VDPAU header.
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* @defgroup lavc_codec_hwaccel_vdpau VDPAU Decoder and Renderer
|
||||
* @ingroup lavc_codec_hwaccel
|
||||
*
|
||||
* VDPAU hardware acceleration has two modules
|
||||
* - VDPAU decoding
|
||||
* - VDPAU presentation
|
||||
*
|
||||
* The VDPAU decoding module parses all headers using Libav
|
||||
* parsing mechanisms and uses VDPAU for the actual decoding.
|
||||
*
|
||||
* As per the current implementation, the actual decoding
|
||||
* and rendering (API calls) are done as part of the VDPAU
|
||||
* presentation (vo_vdpau.c) module.
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#include <vdpau/vdpau.h>
|
||||
#include <vdpau/vdpau_x11.h>
|
||||
|
||||
/** @brief The videoSurface is used for rendering. */
|
||||
#define FF_VDPAU_STATE_USED_FOR_RENDER 1
|
||||
|
||||
/**
|
||||
* @brief The videoSurface is needed for reference/prediction.
|
||||
* The codec manipulates this.
|
||||
*/
|
||||
#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
|
||||
|
||||
/**
|
||||
* @brief This structure is used as a callback between the Libav
|
||||
* decoder (vd_) and presentation (vo_) module.
|
||||
* This is used for defining a video frame containing surface,
|
||||
* picture parameter, bitstream information etc which are passed
|
||||
* between the Libav decoder and its clients.
|
||||
*/
|
||||
struct vdpau_render_state {
|
||||
VdpVideoSurface surface; ///< Used as rendered surface, never changed.
|
||||
|
||||
int state; ///< Holds FF_VDPAU_STATE_* values.
|
||||
|
||||
/** picture parameter information for all supported codecs */
|
||||
union VdpPictureInfo {
|
||||
VdpPictureInfoH264 h264;
|
||||
VdpPictureInfoMPEG1Or2 mpeg;
|
||||
VdpPictureInfoVC1 vc1;
|
||||
VdpPictureInfoMPEG4Part2 mpeg4;
|
||||
} info;
|
||||
|
||||
/** Describe size/location of the compressed video data.
|
||||
Set to 0 when freeing bitstream_buffers. */
|
||||
int bitstream_buffers_allocated;
|
||||
int bitstream_buffers_used;
|
||||
/** The user is responsible for freeing this buffer using av_freep(). */
|
||||
VdpBitstreamBuffer *bitstream_buffers;
|
||||
};
|
||||
|
||||
/* @}*/
|
||||
|
||||
#endif /* AVCODEC_VDPAU_H */
|
||||
|
|
@ -0,0 +1,95 @@
|
|||
/*
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVCODEC_VERSION_H
|
||||
#define AVCODEC_VERSION_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @ingroup libavc
|
||||
* Libavcodec version macros.
|
||||
*/
|
||||
|
||||
#define LIBAVCODEC_VERSION_MAJOR 54
|
||||
#define LIBAVCODEC_VERSION_MINOR 35
|
||||
#define LIBAVCODEC_VERSION_MICRO 0
|
||||
|
||||
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
|
||||
LIBAVCODEC_VERSION_MINOR, \
|
||||
LIBAVCODEC_VERSION_MICRO)
|
||||
#define LIBAVCODEC_VERSION AV_VERSION(LIBAVCODEC_VERSION_MAJOR, \
|
||||
LIBAVCODEC_VERSION_MINOR, \
|
||||
LIBAVCODEC_VERSION_MICRO)
|
||||
#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT
|
||||
|
||||
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
|
||||
|
||||
/**
|
||||
* FF_API_* defines may be placed below to indicate public API that will be
|
||||
* dropped at a future version bump. The defines themselves are not part of
|
||||
* the public API and may change, break or disappear at any time.
|
||||
*/
|
||||
|
||||
#ifndef FF_API_REQUEST_CHANNELS
|
||||
#define FF_API_REQUEST_CHANNELS (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_OLD_DECODE_AUDIO
|
||||
#define FF_API_OLD_DECODE_AUDIO (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_OLD_ENCODE_AUDIO
|
||||
#define FF_API_OLD_ENCODE_AUDIO (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_OLD_ENCODE_VIDEO
|
||||
#define FF_API_OLD_ENCODE_VIDEO (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_MPV_GLOBAL_OPTS
|
||||
#define FF_API_MPV_GLOBAL_OPTS (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_COLOR_TABLE_ID
|
||||
#define FF_API_COLOR_TABLE_ID (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_INTER_THRESHOLD
|
||||
#define FF_API_INTER_THRESHOLD (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_SUB_ID
|
||||
#define FF_API_SUB_ID (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_DSP_MASK
|
||||
#define FF_API_DSP_MASK (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_FIND_BEST_PIX_FMT
|
||||
#define FF_API_FIND_BEST_PIX_FMT (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_CODEC_ID
|
||||
#define FF_API_CODEC_ID (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_VDA_ASYNC
|
||||
#define FF_API_VDA_ASYNC (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_AVCODEC_RESAMPLE
|
||||
#define FF_API_AVCODEC_RESAMPLE (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_LIBMPEG2
|
||||
#define FF_API_LIBMPEG2 (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_MMI
|
||||
#define FF_API_MMI (LIBAVCODEC_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
|
||||
#endif /* AVCODEC_VERSION_H */
|
||||
|
|
@ -0,0 +1,168 @@
|
|||
/*
|
||||
* Copyright (C) 2003 Ivan Kalvachev
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVCODEC_XVMC_H
|
||||
#define AVCODEC_XVMC_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @ingroup lavc_codec_hwaccel_xvmc
|
||||
* Public libavcodec XvMC header.
|
||||
*/
|
||||
|
||||
#include <X11/extensions/XvMC.h>
|
||||
|
||||
#include "avcodec.h"
|
||||
|
||||
/**
|
||||
* @defgroup lavc_codec_hwaccel_xvmc XvMC
|
||||
* @ingroup lavc_codec_hwaccel
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#define AV_XVMC_ID 0x1DC711C0 /**< special value to ensure that regular pixel routines haven't corrupted the struct
|
||||
the number is 1337 speak for the letters IDCT MCo (motion compensation) */
|
||||
|
||||
struct xvmc_pix_fmt {
|
||||
/** The field contains the special constant value AV_XVMC_ID.
|
||||
It is used as a test that the application correctly uses the API,
|
||||
and that there is no corruption caused by pixel routines.
|
||||
- application - set during initialization
|
||||
- libavcodec - unchanged
|
||||
*/
|
||||
int xvmc_id;
|
||||
|
||||
/** Pointer to the block array allocated by XvMCCreateBlocks().
|
||||
The array has to be freed by XvMCDestroyBlocks().
|
||||
Each group of 64 values represents one data block of differential
|
||||
pixel information (in MoCo mode) or coefficients for IDCT.
|
||||
- application - set the pointer during initialization
|
||||
- libavcodec - fills coefficients/pixel data into the array
|
||||
*/
|
||||
short* data_blocks;
|
||||
|
||||
/** Pointer to the macroblock description array allocated by
|
||||
XvMCCreateMacroBlocks() and freed by XvMCDestroyMacroBlocks().
|
||||
- application - set the pointer during initialization
|
||||
- libavcodec - fills description data into the array
|
||||
*/
|
||||
XvMCMacroBlock* mv_blocks;
|
||||
|
||||
/** Number of macroblock descriptions that can be stored in the mv_blocks
|
||||
array.
|
||||
- application - set during initialization
|
||||
- libavcodec - unchanged
|
||||
*/
|
||||
int allocated_mv_blocks;
|
||||
|
||||
/** Number of blocks that can be stored at once in the data_blocks array.
|
||||
- application - set during initialization
|
||||
- libavcodec - unchanged
|
||||
*/
|
||||
int allocated_data_blocks;
|
||||
|
||||
/** Indicate that the hardware would interpret data_blocks as IDCT
|
||||
coefficients and perform IDCT on them.
|
||||
- application - set during initialization
|
||||
- libavcodec - unchanged
|
||||
*/
|
||||
int idct;
|
||||
|
||||
/** In MoCo mode it indicates that intra macroblocks are assumed to be in
|
||||
unsigned format; same as the XVMC_INTRA_UNSIGNED flag.
|
||||
- application - set during initialization
|
||||
- libavcodec - unchanged
|
||||
*/
|
||||
int unsigned_intra;
|
||||
|
||||
/** Pointer to the surface allocated by XvMCCreateSurface().
|
||||
It has to be freed by XvMCDestroySurface() on application exit.
|
||||
It identifies the frame and its state on the video hardware.
|
||||
- application - set during initialization
|
||||
- libavcodec - unchanged
|
||||
*/
|
||||
XvMCSurface* p_surface;
|
||||
|
||||
/** Set by the decoder before calling ff_draw_horiz_band(),
|
||||
needed by the XvMCRenderSurface function. */
|
||||
//@{
|
||||
/** Pointer to the surface used as past reference
|
||||
- application - unchanged
|
||||
- libavcodec - set
|
||||
*/
|
||||
XvMCSurface* p_past_surface;
|
||||
|
||||
/** Pointer to the surface used as future reference
|
||||
- application - unchanged
|
||||
- libavcodec - set
|
||||
*/
|
||||
XvMCSurface* p_future_surface;
|
||||
|
||||
/** top/bottom field or frame
|
||||
- application - unchanged
|
||||
- libavcodec - set
|
||||
*/
|
||||
unsigned int picture_structure;
|
||||
|
||||
/** XVMC_SECOND_FIELD - 1st or 2nd field in the sequence
|
||||
- application - unchanged
|
||||
- libavcodec - set
|
||||
*/
|
||||
unsigned int flags;
|
||||
//}@
|
||||
|
||||
/** Number of macroblock descriptions in the mv_blocks array
|
||||
that have already been passed to the hardware.
|
||||
- application - zeroes it on get_buffer().
|
||||
A successful ff_draw_horiz_band() may increment it
|
||||
with filled_mb_block_num or zero both.
|
||||
- libavcodec - unchanged
|
||||
*/
|
||||
int start_mv_blocks_num;
|
||||
|
||||
/** Number of new macroblock descriptions in the mv_blocks array (after
|
||||
start_mv_blocks_num) that are filled by libavcodec and have to be
|
||||
passed to the hardware.
|
||||
- application - zeroes it on get_buffer() or after successful
|
||||
ff_draw_horiz_band().
|
||||
- libavcodec - increment with one of each stored MB
|
||||
*/
|
||||
int filled_mv_blocks_num;
|
||||
|
||||
/** Number of the next free data block; one data block consists of
|
||||
64 short values in the data_blocks array.
|
||||
All blocks before this one have already been claimed by placing their
|
||||
position into the corresponding block description structure field,
|
||||
that are part of the mv_blocks array.
|
||||
- application - zeroes it on get_buffer().
|
||||
A successful ff_draw_horiz_band() may zero it together
|
||||
with start_mb_blocks_num.
|
||||
- libavcodec - each decoded macroblock increases it by the number
|
||||
of coded blocks it contains.
|
||||
*/
|
||||
int next_free_data_block_num;
|
||||
};
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* AVCODEC_XVMC_H */
|
||||
Разница между файлами не показана из-за своего большого размера
Загрузить разницу
|
|
@ -0,0 +1,433 @@
|
|||
/*
|
||||
* copyright (c) 2001 Fabrice Bellard
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
#ifndef AVFORMAT_AVIO_H
|
||||
#define AVFORMAT_AVIO_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @ingroup lavf_io
|
||||
* Buffered I/O operations
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include "libavutil/common.h"
|
||||
#include "libavutil/dict.h"
|
||||
#include "libavutil/log.h"
|
||||
|
||||
#include "libavformat/version.h"
|
||||
|
||||
|
||||
#define AVIO_SEEKABLE_NORMAL 0x0001 /**< Seeking works like for a local file */
|
||||
|
||||
/**
|
||||
* Callback for checking whether to abort blocking functions.
|
||||
* AVERROR_EXIT is returned in this case by the interrupted
|
||||
* function. During blocking operations, callback is called with
|
||||
* opaque as parameter. If the callback returns 1, the
|
||||
* blocking operation will be aborted.
|
||||
*
|
||||
* No members can be added to this struct without a major bump, if
|
||||
* new elements have been added after this struct in AVFormatContext
|
||||
* or AVIOContext.
|
||||
*/
|
||||
typedef struct AVIOInterruptCB {
|
||||
int (*callback)(void*);
|
||||
void *opaque;
|
||||
} AVIOInterruptCB;
|
||||
|
||||
/**
|
||||
* Bytestream IO Context.
|
||||
* New fields can be added to the end with minor version bumps.
|
||||
* Removal, reordering and changes to existing fields require a major
|
||||
* version bump.
|
||||
* sizeof(AVIOContext) must not be used outside libav*.
|
||||
*
|
||||
* @note None of the function pointers in AVIOContext should be called
|
||||
* directly, they should only be set by the client application
|
||||
* when implementing custom I/O. Normally these are set to the
|
||||
* function pointers specified in avio_alloc_context()
|
||||
*/
|
||||
typedef struct AVIOContext {
|
||||
/**
|
||||
* A class for private options.
|
||||
*
|
||||
* If this AVIOContext is created by avio_open2(), av_class is set and
|
||||
* passes the options down to protocols.
|
||||
*
|
||||
* If this AVIOContext is manually allocated, then av_class may be set by
|
||||
* the caller.
|
||||
*
|
||||
* warning -- this field can be NULL, be sure to not pass this AVIOContext
|
||||
* to any av_opt_* functions in that case.
|
||||
*/
|
||||
const AVClass *av_class;
|
||||
unsigned char *buffer; /**< Start of the buffer. */
|
||||
int buffer_size; /**< Maximum buffer size */
|
||||
unsigned char *buf_ptr; /**< Current position in the buffer */
|
||||
unsigned char *buf_end; /**< End of the data, may be less than
|
||||
buffer+buffer_size if the read function returned
|
||||
less data than requested, e.g. for streams where
|
||||
no more data has been received yet. */
|
||||
void *opaque; /**< A private pointer, passed to the read/write/seek/...
|
||||
functions. */
|
||||
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size);
|
||||
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size);
|
||||
int64_t (*seek)(void *opaque, int64_t offset, int whence);
|
||||
int64_t pos; /**< position in the file of the current buffer */
|
||||
int must_flush; /**< true if the next seek should flush */
|
||||
int eof_reached; /**< true if eof reached */
|
||||
int write_flag; /**< true if open for writing */
|
||||
int max_packet_size;
|
||||
unsigned long checksum;
|
||||
unsigned char *checksum_ptr;
|
||||
unsigned long (*update_checksum)(unsigned long checksum, const uint8_t *buf, unsigned int size);
|
||||
int error; /**< contains the error code or 0 if no error happened */
|
||||
/**
|
||||
* Pause or resume playback for network streaming protocols - e.g. MMS.
|
||||
*/
|
||||
int (*read_pause)(void *opaque, int pause);
|
||||
/**
|
||||
* Seek to a given timestamp in stream with the specified stream_index.
|
||||
* Needed for some network streaming protocols which don't support seeking
|
||||
* to byte position.
|
||||
*/
|
||||
int64_t (*read_seek)(void *opaque, int stream_index,
|
||||
int64_t timestamp, int flags);
|
||||
/**
|
||||
* A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
|
||||
*/
|
||||
int seekable;
|
||||
} AVIOContext;
|
||||
|
||||
/* unbuffered I/O */
|
||||
|
||||
/**
|
||||
* Return AVIO_FLAG_* access flags corresponding to the access permissions
|
||||
* of the resource in url, or a negative value corresponding to an
|
||||
* AVERROR code in case of failure. The returned access flags are
|
||||
* masked by the value in flags.
|
||||
*
|
||||
* @note This function is intrinsically unsafe, in the sense that the
|
||||
* checked resource may change its existence or permission status from
|
||||
* one call to another. Thus you should not trust the returned value,
|
||||
* unless you are sure that no other processes are accessing the
|
||||
* checked resource.
|
||||
*/
|
||||
int avio_check(const char *url, int flags);
|
||||
|
||||
/**
|
||||
* Allocate and initialize an AVIOContext for buffered I/O. It must be later
|
||||
* freed with av_free().
|
||||
*
|
||||
* @param buffer Memory block for input/output operations via AVIOContext.
|
||||
* The buffer must be allocated with av_malloc() and friends.
|
||||
* @param buffer_size The buffer size is very important for performance.
|
||||
* For protocols with fixed blocksize it should be set to this blocksize.
|
||||
* For others a typical size is a cache page, e.g. 4kb.
|
||||
* @param write_flag Set to 1 if the buffer should be writable, 0 otherwise.
|
||||
* @param opaque An opaque pointer to user-specific data.
|
||||
* @param read_packet A function for refilling the buffer, may be NULL.
|
||||
* @param write_packet A function for writing the buffer contents, may be NULL.
|
||||
* @param seek A function for seeking to specified byte position, may be NULL.
|
||||
*
|
||||
* @return Allocated AVIOContext or NULL on failure.
|
||||
*/
|
||||
AVIOContext *avio_alloc_context(
|
||||
unsigned char *buffer,
|
||||
int buffer_size,
|
||||
int write_flag,
|
||||
void *opaque,
|
||||
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
|
||||
int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
|
||||
int64_t (*seek)(void *opaque, int64_t offset, int whence));
|
||||
|
||||
void avio_w8(AVIOContext *s, int b);
|
||||
void avio_write(AVIOContext *s, const unsigned char *buf, int size);
|
||||
void avio_wl64(AVIOContext *s, uint64_t val);
|
||||
void avio_wb64(AVIOContext *s, uint64_t val);
|
||||
void avio_wl32(AVIOContext *s, unsigned int val);
|
||||
void avio_wb32(AVIOContext *s, unsigned int val);
|
||||
void avio_wl24(AVIOContext *s, unsigned int val);
|
||||
void avio_wb24(AVIOContext *s, unsigned int val);
|
||||
void avio_wl16(AVIOContext *s, unsigned int val);
|
||||
void avio_wb16(AVIOContext *s, unsigned int val);
|
||||
|
||||
/**
|
||||
* Write a NULL-terminated string.
|
||||
* @return number of bytes written.
|
||||
*/
|
||||
int avio_put_str(AVIOContext *s, const char *str);
|
||||
|
||||
/**
|
||||
* Convert an UTF-8 string to UTF-16LE and write it.
|
||||
* @return number of bytes written.
|
||||
*/
|
||||
int avio_put_str16le(AVIOContext *s, const char *str);
|
||||
|
||||
/**
|
||||
* Passing this as the "whence" parameter to a seek function causes it to
|
||||
* return the filesize without seeking anywhere. Supporting this is optional.
|
||||
* If it is not supported then the seek function will return <0.
|
||||
*/
|
||||
#define AVSEEK_SIZE 0x10000
|
||||
|
||||
/**
|
||||
* Oring this flag as into the "whence" parameter to a seek function causes it to
|
||||
* seek by any means (like reopening and linear reading) or other normally unreasonble
|
||||
* means that can be extreemly slow.
|
||||
* This may be ignored by the seek code.
|
||||
*/
|
||||
#define AVSEEK_FORCE 0x20000
|
||||
|
||||
/**
|
||||
* fseek() equivalent for AVIOContext.
|
||||
* @return new position or AVERROR.
|
||||
*/
|
||||
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence);
|
||||
|
||||
/**
|
||||
* Skip given number of bytes forward
|
||||
* @return new position or AVERROR.
|
||||
*/
|
||||
static av_always_inline int64_t avio_skip(AVIOContext *s, int64_t offset)
|
||||
{
|
||||
return avio_seek(s, offset, SEEK_CUR);
|
||||
}
|
||||
|
||||
/**
|
||||
* ftell() equivalent for AVIOContext.
|
||||
* @return position or AVERROR.
|
||||
*/
|
||||
static av_always_inline int64_t avio_tell(AVIOContext *s)
|
||||
{
|
||||
return avio_seek(s, 0, SEEK_CUR);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the filesize.
|
||||
* @return filesize or AVERROR
|
||||
*/
|
||||
int64_t avio_size(AVIOContext *s);
|
||||
|
||||
/** @warning currently size is limited */
|
||||
int avio_printf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3);
|
||||
|
||||
void avio_flush(AVIOContext *s);
|
||||
|
||||
|
||||
/**
|
||||
* Read size bytes from AVIOContext into buf.
|
||||
* @return number of bytes read or AVERROR
|
||||
*/
|
||||
int avio_read(AVIOContext *s, unsigned char *buf, int size);
|
||||
|
||||
/**
|
||||
* @name Functions for reading from AVIOContext
|
||||
* @{
|
||||
*
|
||||
* @note return 0 if EOF, so you cannot use it if EOF handling is
|
||||
* necessary
|
||||
*/
|
||||
int avio_r8 (AVIOContext *s);
|
||||
unsigned int avio_rl16(AVIOContext *s);
|
||||
unsigned int avio_rl24(AVIOContext *s);
|
||||
unsigned int avio_rl32(AVIOContext *s);
|
||||
uint64_t avio_rl64(AVIOContext *s);
|
||||
unsigned int avio_rb16(AVIOContext *s);
|
||||
unsigned int avio_rb24(AVIOContext *s);
|
||||
unsigned int avio_rb32(AVIOContext *s);
|
||||
uint64_t avio_rb64(AVIOContext *s);
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* Read a string from pb into buf. The reading will terminate when either
|
||||
* a NULL character was encountered, maxlen bytes have been read, or nothing
|
||||
* more can be read from pb. The result is guaranteed to be NULL-terminated, it
|
||||
* will be truncated if buf is too small.
|
||||
* Note that the string is not interpreted or validated in any way, it
|
||||
* might get truncated in the middle of a sequence for multi-byte encodings.
|
||||
*
|
||||
* @return number of bytes read (is always <= maxlen).
|
||||
* If reading ends on EOF or error, the return value will be one more than
|
||||
* bytes actually read.
|
||||
*/
|
||||
int avio_get_str(AVIOContext *pb, int maxlen, char *buf, int buflen);
|
||||
|
||||
/**
|
||||
* Read a UTF-16 string from pb and convert it to UTF-8.
|
||||
* The reading will terminate when either a null or invalid character was
|
||||
* encountered or maxlen bytes have been read.
|
||||
* @return number of bytes read (is always <= maxlen)
|
||||
*/
|
||||
int avio_get_str16le(AVIOContext *pb, int maxlen, char *buf, int buflen);
|
||||
int avio_get_str16be(AVIOContext *pb, int maxlen, char *buf, int buflen);
|
||||
|
||||
|
||||
/**
|
||||
* @name URL open modes
|
||||
* The flags argument to avio_open must be one of the following
|
||||
* constants, optionally ORed with other flags.
|
||||
* @{
|
||||
*/
|
||||
#define AVIO_FLAG_READ 1 /**< read-only */
|
||||
#define AVIO_FLAG_WRITE 2 /**< write-only */
|
||||
#define AVIO_FLAG_READ_WRITE (AVIO_FLAG_READ|AVIO_FLAG_WRITE) /**< read-write pseudo flag */
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* Use non-blocking mode.
|
||||
* If this flag is set, operations on the context will return
|
||||
* AVERROR(EAGAIN) if they can not be performed immediately.
|
||||
* If this flag is not set, operations on the context will never return
|
||||
* AVERROR(EAGAIN).
|
||||
* Note that this flag does not affect the opening/connecting of the
|
||||
* context. Connecting a protocol will always block if necessary (e.g. on
|
||||
* network protocols) but never hang (e.g. on busy devices).
|
||||
* Warning: non-blocking protocols is work-in-progress; this flag may be
|
||||
* silently ignored.
|
||||
*/
|
||||
#define AVIO_FLAG_NONBLOCK 8
|
||||
|
||||
/**
|
||||
* Create and initialize a AVIOContext for accessing the
|
||||
* resource indicated by url.
|
||||
* @note When the resource indicated by url has been opened in
|
||||
* read+write mode, the AVIOContext can be used only for writing.
|
||||
*
|
||||
* @param s Used to return the pointer to the created AVIOContext.
|
||||
* In case of failure the pointed to value is set to NULL.
|
||||
* @param flags flags which control how the resource indicated by url
|
||||
* is to be opened
|
||||
* @return 0 in case of success, a negative value corresponding to an
|
||||
* AVERROR code in case of failure
|
||||
*/
|
||||
int avio_open(AVIOContext **s, const char *url, int flags);
|
||||
|
||||
/**
|
||||
* Create and initialize a AVIOContext for accessing the
|
||||
* resource indicated by url.
|
||||
* @note When the resource indicated by url has been opened in
|
||||
* read+write mode, the AVIOContext can be used only for writing.
|
||||
*
|
||||
* @param s Used to return the pointer to the created AVIOContext.
|
||||
* In case of failure the pointed to value is set to NULL.
|
||||
* @param flags flags which control how the resource indicated by url
|
||||
* is to be opened
|
||||
* @param int_cb an interrupt callback to be used at the protocols level
|
||||
* @param options A dictionary filled with protocol-private options. On return
|
||||
* this parameter will be destroyed and replaced with a dict containing options
|
||||
* that were not found. May be NULL.
|
||||
* @return 0 in case of success, a negative value corresponding to an
|
||||
* AVERROR code in case of failure
|
||||
*/
|
||||
int avio_open2(AVIOContext **s, const char *url, int flags,
|
||||
const AVIOInterruptCB *int_cb, AVDictionary **options);
|
||||
|
||||
/**
|
||||
* Close the resource accessed by the AVIOContext s and free it.
|
||||
* This function can only be used if s was opened by avio_open().
|
||||
*
|
||||
* The internal buffer is automatically flushed before closing the
|
||||
* resource.
|
||||
*
|
||||
* @return 0 on success, an AVERROR < 0 on error.
|
||||
* @see avio_closep
|
||||
*/
|
||||
int avio_close(AVIOContext *s);
|
||||
|
||||
/**
|
||||
* Close the resource accessed by the AVIOContext *s, free it
|
||||
* and set the pointer pointing to it to NULL.
|
||||
* This function can only be used if s was opened by avio_open().
|
||||
*
|
||||
* The internal buffer is automatically flushed before closing the
|
||||
* resource.
|
||||
*
|
||||
* @return 0 on success, an AVERROR < 0 on error.
|
||||
* @see avio_close
|
||||
*/
|
||||
int avio_closep(AVIOContext **s);
|
||||
|
||||
|
||||
/**
|
||||
* Open a write only memory stream.
|
||||
*
|
||||
* @param s new IO context
|
||||
* @return zero if no error.
|
||||
*/
|
||||
int avio_open_dyn_buf(AVIOContext **s);
|
||||
|
||||
/**
|
||||
* Return the written size and a pointer to the buffer. The buffer
|
||||
* must be freed with av_free().
|
||||
* Padding of FF_INPUT_BUFFER_PADDING_SIZE is added to the buffer.
|
||||
*
|
||||
* @param s IO context
|
||||
* @param pbuffer pointer to a byte buffer
|
||||
* @return the length of the byte buffer
|
||||
*/
|
||||
int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer);
|
||||
|
||||
/**
|
||||
* Iterate through names of available protocols.
|
||||
*
|
||||
* @param opaque A private pointer representing current protocol.
|
||||
* It must be a pointer to NULL on first iteration and will
|
||||
* be updated by successive calls to avio_enum_protocols.
|
||||
* @param output If set to 1, iterate over output protocols,
|
||||
* otherwise over input protocols.
|
||||
*
|
||||
* @return A static string containing the name of current protocol or NULL
|
||||
*/
|
||||
const char *avio_enum_protocols(void **opaque, int output);
|
||||
|
||||
/**
|
||||
* Pause and resume playing - only meaningful if using a network streaming
|
||||
* protocol (e.g. MMS).
|
||||
* @param pause 1 for pause, 0 for resume
|
||||
*/
|
||||
int avio_pause(AVIOContext *h, int pause);
|
||||
|
||||
/**
|
||||
* Seek to a given timestamp relative to some component stream.
|
||||
* Only meaningful if using a network streaming protocol (e.g. MMS.).
|
||||
* @param stream_index The stream index that the timestamp is relative to.
|
||||
* If stream_index is (-1) the timestamp should be in AV_TIME_BASE
|
||||
* units from the beginning of the presentation.
|
||||
* If a stream_index >= 0 is used and the protocol does not support
|
||||
* seeking based on component streams, the call will fail with ENOTSUP.
|
||||
* @param timestamp timestamp in AVStream.time_base units
|
||||
* or if there is no stream specified then in AV_TIME_BASE units.
|
||||
* @param flags Optional combination of AVSEEK_FLAG_BACKWARD, AVSEEK_FLAG_BYTE
|
||||
* and AVSEEK_FLAG_ANY. The protocol may silently ignore
|
||||
* AVSEEK_FLAG_BACKWARD and AVSEEK_FLAG_ANY, but AVSEEK_FLAG_BYTE will
|
||||
* fail with ENOTSUP if used and not supported.
|
||||
* @return >= 0 on success
|
||||
* @see AVInputFormat::read_seek
|
||||
*/
|
||||
int64_t avio_seek_time(AVIOContext *h, int stream_index,
|
||||
int64_t timestamp, int flags);
|
||||
|
||||
#endif /* AVFORMAT_AVIO_H */
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
/*
|
||||
* Version macros.
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVFORMAT_VERSION_H
|
||||
#define AVFORMAT_VERSION_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @ingroup libavf
|
||||
* Libavformat version macros
|
||||
*/
|
||||
|
||||
#include "libavutil/avutil.h"
|
||||
|
||||
#define LIBAVFORMAT_VERSION_MAJOR 54
|
||||
#define LIBAVFORMAT_VERSION_MINOR 20
|
||||
#define LIBAVFORMAT_VERSION_MICRO 4
|
||||
|
||||
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
|
||||
LIBAVFORMAT_VERSION_MINOR, \
|
||||
LIBAVFORMAT_VERSION_MICRO)
|
||||
#define LIBAVFORMAT_VERSION AV_VERSION(LIBAVFORMAT_VERSION_MAJOR, \
|
||||
LIBAVFORMAT_VERSION_MINOR, \
|
||||
LIBAVFORMAT_VERSION_MICRO)
|
||||
#define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT
|
||||
|
||||
#define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
|
||||
|
||||
/**
|
||||
* FF_API_* defines may be placed below to indicate public API that will be
|
||||
* dropped at a future version bump. The defines themselves are not part of
|
||||
* the public API and may change, break or disappear at any time.
|
||||
*/
|
||||
|
||||
#ifndef FF_API_CLOSE_INPUT_FILE
|
||||
#define FF_API_CLOSE_INPUT_FILE (LIBAVFORMAT_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_APPLEHTTP_PROTO
|
||||
#define FF_API_APPLEHTTP_PROTO (LIBAVFORMAT_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_READ_PACKET
|
||||
#define FF_API_READ_PACKET (LIBAVFORMAT_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_INTERLEAVE_PACKET
|
||||
#define FF_API_INTERLEAVE_PACKET (LIBAVFORMAT_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_AV_GETTIME
|
||||
#define FF_API_AV_GETTIME (LIBAVFORMAT_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
#ifndef FF_API_R_FRAME_RATE
|
||||
#define FF_API_R_FRAME_RATE (LIBAVFORMAT_VERSION_MAJOR < 55)
|
||||
#endif
|
||||
|
||||
#endif /* AVFORMAT_VERSION_H */
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
* copyright (c) 2006 Mans Rullgard
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVUTIL_ADLER32_H
|
||||
#define AVUTIL_ADLER32_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include "attributes.h"
|
||||
|
||||
/**
|
||||
* @ingroup lavu_crypto
|
||||
* Calculate the Adler32 checksum of a buffer.
|
||||
*
|
||||
* Passing the return value to a subsequent av_adler32_update() call
|
||||
* allows the checksum of multiple buffers to be calculated as though
|
||||
* they were concatenated.
|
||||
*
|
||||
* @param adler initial checksum value
|
||||
* @param buf pointer to input buffer
|
||||
* @param len size of input buffer
|
||||
* @return updated checksum
|
||||
*/
|
||||
unsigned long av_adler32_update(unsigned long adler, const uint8_t *buf,
|
||||
unsigned int len) av_pure;
|
||||
|
||||
#endif /* AVUTIL_ADLER32_H */
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
/*
|
||||
* copyright (c) 2007 Michael Niedermayer <michaelni@gmx.at>
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVUTIL_AES_H
|
||||
#define AVUTIL_AES_H
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include "attributes.h"
|
||||
#include "version.h"
|
||||
|
||||
/**
|
||||
* @defgroup lavu_aes AES
|
||||
* @ingroup lavu_crypto
|
||||
* @{
|
||||
*/
|
||||
|
||||
#if FF_API_CONTEXT_SIZE
|
||||
extern attribute_deprecated const int av_aes_size;
|
||||
#endif
|
||||
|
||||
struct AVAES;
|
||||
|
||||
/**
|
||||
* Allocate an AVAES context.
|
||||
*/
|
||||
struct AVAES *av_aes_alloc(void);
|
||||
|
||||
/**
|
||||
* Initialize an AVAES context.
|
||||
* @param key_bits 128, 192 or 256
|
||||
* @param decrypt 0 for encryption, 1 for decryption
|
||||
*/
|
||||
int av_aes_init(struct AVAES *a, const uint8_t *key, int key_bits, int decrypt);
|
||||
|
||||
/**
|
||||
* Encrypt or decrypt a buffer using a previously initialized context.
|
||||
* @param count number of 16 byte blocks
|
||||
* @param dst destination array, can be equal to src
|
||||
* @param src source array, can be equal to dst
|
||||
* @param iv initialization vector for CBC mode, if NULL then ECB will be used
|
||||
* @param decrypt 0 for encryption, 1 for decryption
|
||||
*/
|
||||
void av_aes_crypt(struct AVAES *a, uint8_t *dst, const uint8_t *src, int count, uint8_t *iv, int decrypt);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* AVUTIL_AES_H */
|
||||
|
|
@ -0,0 +1,122 @@
|
|||
/*
|
||||
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file
|
||||
* Macro definitions for various function/variable attributes
|
||||
*/
|
||||
|
||||
#ifndef AVUTIL_ATTRIBUTES_H
|
||||
#define AVUTIL_ATTRIBUTES_H
|
||||
|
||||
#ifdef __GNUC__
|
||||
# define AV_GCC_VERSION_AT_LEAST(x,y) (__GNUC__ > x || __GNUC__ == x && __GNUC_MINOR__ >= y)
|
||||
#else
|
||||
# define AV_GCC_VERSION_AT_LEAST(x,y) 0
|
||||
#endif
|
||||
|
||||
#if AV_GCC_VERSION_AT_LEAST(3,1)
|
||||
# define av_always_inline __attribute__((always_inline)) inline
|
||||
#elif defined(_MSC_VER)
|
||||
# define av_always_inline __forceinline
|
||||
#else
|
||||
# define av_always_inline inline
|
||||
#endif
|
||||
|
||||
#if AV_GCC_VERSION_AT_LEAST(3,1)
|
||||
# define av_noinline __attribute__((noinline))
|
||||
#else
|
||||
# define av_noinline
|
||||
#endif
|
||||
|
||||
#if AV_GCC_VERSION_AT_LEAST(3,1)
|
||||
# define av_pure __attribute__((pure))
|
||||
#else
|
||||
# define av_pure
|
||||
#endif
|
||||
|
||||
#if AV_GCC_VERSION_AT_LEAST(2,6)
|
||||
# define av_const __attribute__((const))
|
||||
#else
|
||||
# define av_const
|
||||
#endif
|
||||
|
||||
#if AV_GCC_VERSION_AT_LEAST(4,3)
|
||||
# define av_cold __attribute__((cold))
|
||||
#else
|
||||
# define av_cold
|
||||
#endif
|
||||
|
||||
#if AV_GCC_VERSION_AT_LEAST(4,1)
|
||||
# define av_flatten __attribute__((flatten))
|
||||
#else
|
||||
# define av_flatten
|
||||
#endif
|
||||
|
||||
#if AV_GCC_VERSION_AT_LEAST(3,1)
|
||||
# define attribute_deprecated __attribute__((deprecated))
|
||||
#else
|
||||
# define attribute_deprecated
|
||||
#endif
|
||||
|
||||
#if defined(__GNUC__)
|
||||
# define av_unused __attribute__((unused))
|
||||
#else
|
||||
# define av_unused
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Mark a variable as used and prevent the compiler from optimizing it
|
||||
* away. This is useful for variables accessed only from inline
|
||||
* assembler without the compiler being aware.
|
||||
*/
|
||||
#if AV_GCC_VERSION_AT_LEAST(3,1)
|
||||
# define av_used __attribute__((used))
|
||||
#else
|
||||
# define av_used
|
||||
#endif
|
||||
|
||||
#if AV_GCC_VERSION_AT_LEAST(3,3)
|
||||
# define av_alias __attribute__((may_alias))
|
||||
#else
|
||||
# define av_alias
|
||||
#endif
|
||||
|
||||
#if defined(__GNUC__) && !defined(__ICC)
|
||||
# define av_uninit(x) x=x
|
||||
#else
|
||||
# define av_uninit(x) x
|
||||
#endif
|
||||
|
||||
#ifdef __GNUC__
|
||||
# define av_builtin_constant_p __builtin_constant_p
|
||||
# define av_printf_format(fmtpos, attrpos) __attribute__((__format__(__printf__, fmtpos, attrpos)))
|
||||
#else
|
||||
# define av_builtin_constant_p(x) 0
|
||||
# define av_printf_format(fmtpos, attrpos)
|
||||
#endif
|
||||
|
||||
#if AV_GCC_VERSION_AT_LEAST(2,5)
|
||||
# define av_noreturn __attribute__((noreturn))
|
||||
#else
|
||||
# define av_noreturn
|
||||
#endif
|
||||
|
||||
#endif /* AVUTIL_ATTRIBUTES_H */
|
||||
|
|
@ -0,0 +1,146 @@
|
|||
/*
|
||||
* Audio FIFO
|
||||
* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file
|
||||
* Audio FIFO Buffer
|
||||
*/
|
||||
|
||||
#ifndef AVUTIL_AUDIO_FIFO_H
|
||||
#define AVUTIL_AUDIO_FIFO_H
|
||||
|
||||
#include "avutil.h"
|
||||
#include "fifo.h"
|
||||
#include "samplefmt.h"
|
||||
|
||||
/**
|
||||
* @addtogroup lavu_audio
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* Context for an Audio FIFO Buffer.
|
||||
*
|
||||
* - Operates at the sample level rather than the byte level.
|
||||
* - Supports multiple channels with either planar or packed sample format.
|
||||
* - Automatic reallocation when writing to a full buffer.
|
||||
*/
|
||||
typedef struct AVAudioFifo AVAudioFifo;
|
||||
|
||||
/**
|
||||
* Free an AVAudioFifo.
|
||||
*
|
||||
* @param af AVAudioFifo to free
|
||||
*/
|
||||
void av_audio_fifo_free(AVAudioFifo *af);
|
||||
|
||||
/**
|
||||
* Allocate an AVAudioFifo.
|
||||
*
|
||||
* @param sample_fmt sample format
|
||||
* @param channels number of channels
|
||||
* @param nb_samples initial allocation size, in samples
|
||||
* @return newly allocated AVAudioFifo, or NULL on error
|
||||
*/
|
||||
AVAudioFifo *av_audio_fifo_alloc(enum AVSampleFormat sample_fmt, int channels,
|
||||
int nb_samples);
|
||||
|
||||
/**
|
||||
* Reallocate an AVAudioFifo.
|
||||
*
|
||||
* @param af AVAudioFifo to reallocate
|
||||
* @param nb_samples new allocation size, in samples
|
||||
* @return 0 if OK, or negative AVERROR code on failure
|
||||
*/
|
||||
int av_audio_fifo_realloc(AVAudioFifo *af, int nb_samples);
|
||||
|
||||
/**
|
||||
* Write data to an AVAudioFifo.
|
||||
*
|
||||
* The AVAudioFifo will be reallocated automatically if the available space
|
||||
* is less than nb_samples.
|
||||
*
|
||||
* @see enum AVSampleFormat
|
||||
* The documentation for AVSampleFormat describes the data layout.
|
||||
*
|
||||
* @param af AVAudioFifo to write to
|
||||
* @param data audio data plane pointers
|
||||
* @param nb_samples number of samples to write
|
||||
* @return number of samples actually written, or negative AVERROR
|
||||
* code on failure.
|
||||
*/
|
||||
int av_audio_fifo_write(AVAudioFifo *af, void **data, int nb_samples);
|
||||
|
||||
/**
|
||||
* Read data from an AVAudioFifo.
|
||||
*
|
||||
* @see enum AVSampleFormat
|
||||
* The documentation for AVSampleFormat describes the data layout.
|
||||
*
|
||||
* @param af AVAudioFifo to read from
|
||||
* @param data audio data plane pointers
|
||||
* @param nb_samples number of samples to read
|
||||
* @return number of samples actually read, or negative AVERROR code
|
||||
* on failure.
|
||||
*/
|
||||
int av_audio_fifo_read(AVAudioFifo *af, void **data, int nb_samples);
|
||||
|
||||
/**
|
||||
* Drain data from an AVAudioFifo.
|
||||
*
|
||||
* Removes the data without reading it.
|
||||
*
|
||||
* @param af AVAudioFifo to drain
|
||||
* @param nb_samples number of samples to drain
|
||||
* @return 0 if OK, or negative AVERROR code on failure
|
||||
*/
|
||||
int av_audio_fifo_drain(AVAudioFifo *af, int nb_samples);
|
||||
|
||||
/**
|
||||
* Reset the AVAudioFifo buffer.
|
||||
*
|
||||
* This empties all data in the buffer.
|
||||
*
|
||||
* @param af AVAudioFifo to reset
|
||||
*/
|
||||
void av_audio_fifo_reset(AVAudioFifo *af);
|
||||
|
||||
/**
|
||||
* Get the current number of samples in the AVAudioFifo available for reading.
|
||||
*
|
||||
* @param af the AVAudioFifo to query
|
||||
* @return number of samples available for reading
|
||||
*/
|
||||
int av_audio_fifo_size(AVAudioFifo *af);
|
||||
|
||||
/**
|
||||
* Get the current number of samples in the AVAudioFifo available for writing.
|
||||
*
|
||||
* @param af the AVAudioFifo to query
|
||||
* @return number of samples available for writing
|
||||
*/
|
||||
int av_audio_fifo_space(AVAudioFifo *af);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* AVUTIL_AUDIO_FIFO_H */
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
|
||||
#include "version.h"
|
||||
|
||||
#if FF_API_AUDIOCONVERT
|
||||
#include "channel_layout.h"
|
||||
#endif
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
/*
|
||||
* copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at>
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file
|
||||
* simple assert() macros that are a bit more flexible than ISO C assert().
|
||||
* @author Michael Niedermayer <michaelni@gmx.at>
|
||||
*/
|
||||
|
||||
#ifndef AVUTIL_AVASSERT_H
|
||||
#define AVUTIL_AVASSERT_H
|
||||
|
||||
#include <stdlib.h>
|
||||
#include "avutil.h"
|
||||
#include "log.h"
|
||||
|
||||
/**
|
||||
* assert() equivalent, that is always enabled.
|
||||
*/
|
||||
#define av_assert0(cond) do { \
|
||||
if (!(cond)) { \
|
||||
av_log(NULL, AV_LOG_FATAL, "Assertion %s failed at %s:%d\n", \
|
||||
AV_STRINGIFY(cond), __FILE__, __LINE__); \
|
||||
abort(); \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
|
||||
/**
|
||||
* assert() equivalent, that does not lie in speed critical code.
|
||||
* These asserts() thus can be enabled without fearing speedloss.
|
||||
*/
|
||||
#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0
|
||||
#define av_assert1(cond) av_assert0(cond)
|
||||
#else
|
||||
#define av_assert1(cond) ((void)0)
|
||||
#endif
|
||||
|
||||
|
||||
/**
|
||||
* assert() equivalent, that does lie in speed critical code.
|
||||
*/
|
||||
#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
|
||||
#define av_assert2(cond) av_assert0(cond)
|
||||
#else
|
||||
#define av_assert2(cond) ((void)0)
|
||||
#endif
|
||||
|
||||
#endif /* AVUTIL_AVASSERT_H */
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
/* Generated by ffconf */
|
||||
#ifndef AVUTIL_AVCONFIG_H
|
||||
#define AVUTIL_AVCONFIG_H
|
||||
#define AV_HAVE_BIGENDIAN 0
|
||||
#define AV_HAVE_FAST_UNALIGNED 1
|
||||
#endif /* AVUTIL_AVCONFIG_H */
|
||||
|
|
@ -0,0 +1,191 @@
|
|||
/*
|
||||
* Copyright (c) 2007 Mans Rullgard
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVUTIL_AVSTRING_H
|
||||
#define AVUTIL_AVSTRING_H
|
||||
|
||||
#include <stddef.h>
|
||||
#include "attributes.h"
|
||||
|
||||
/**
|
||||
* @addtogroup lavu_string
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* Return non-zero if pfx is a prefix of str. If it is, *ptr is set to
|
||||
* the address of the first character in str after the prefix.
|
||||
*
|
||||
* @param str input string
|
||||
* @param pfx prefix to test
|
||||
* @param ptr updated if the prefix is matched inside str
|
||||
* @return non-zero if the prefix matches, zero otherwise
|
||||
*/
|
||||
int av_strstart(const char *str, const char *pfx, const char **ptr);
|
||||
|
||||
/**
|
||||
* Return non-zero if pfx is a prefix of str independent of case. If
|
||||
* it is, *ptr is set to the address of the first character in str
|
||||
* after the prefix.
|
||||
*
|
||||
* @param str input string
|
||||
* @param pfx prefix to test
|
||||
* @param ptr updated if the prefix is matched inside str
|
||||
* @return non-zero if the prefix matches, zero otherwise
|
||||
*/
|
||||
int av_stristart(const char *str, const char *pfx, const char **ptr);
|
||||
|
||||
/**
|
||||
* Locate the first case-independent occurrence in the string haystack
|
||||
* of the string needle. A zero-length string needle is considered to
|
||||
* match at the start of haystack.
|
||||
*
|
||||
* This function is a case-insensitive version of the standard strstr().
|
||||
*
|
||||
* @param haystack string to search in
|
||||
* @param needle string to search for
|
||||
* @return pointer to the located match within haystack
|
||||
* or a null pointer if no match
|
||||
*/
|
||||
char *av_stristr(const char *haystack, const char *needle);
|
||||
|
||||
/**
|
||||
* Copy the string src to dst, but no more than size - 1 bytes, and
|
||||
* null-terminate dst.
|
||||
*
|
||||
* This function is the same as BSD strlcpy().
|
||||
*
|
||||
* @param dst destination buffer
|
||||
* @param src source string
|
||||
* @param size size of destination buffer
|
||||
* @return the length of src
|
||||
*
|
||||
* @warning since the return value is the length of src, src absolutely
|
||||
* _must_ be a properly 0-terminated string, otherwise this will read beyond
|
||||
* the end of the buffer and possibly crash.
|
||||
*/
|
||||
size_t av_strlcpy(char *dst, const char *src, size_t size);
|
||||
|
||||
/**
|
||||
* Append the string src to the string dst, but to a total length of
|
||||
* no more than size - 1 bytes, and null-terminate dst.
|
||||
*
|
||||
* This function is similar to BSD strlcat(), but differs when
|
||||
* size <= strlen(dst).
|
||||
*
|
||||
* @param dst destination buffer
|
||||
* @param src source string
|
||||
* @param size size of destination buffer
|
||||
* @return the total length of src and dst
|
||||
*
|
||||
* @warning since the return value use the length of src and dst, these
|
||||
* absolutely _must_ be a properly 0-terminated strings, otherwise this
|
||||
* will read beyond the end of the buffer and possibly crash.
|
||||
*/
|
||||
size_t av_strlcat(char *dst, const char *src, size_t size);
|
||||
|
||||
/**
|
||||
* Append output to a string, according to a format. Never write out of
|
||||
* the destination buffer, and always put a terminating 0 within
|
||||
* the buffer.
|
||||
* @param dst destination buffer (string to which the output is
|
||||
* appended)
|
||||
* @param size total size of the destination buffer
|
||||
* @param fmt printf-compatible format string, specifying how the
|
||||
* following parameters are used
|
||||
* @return the length of the string that would have been generated
|
||||
* if enough space had been available
|
||||
*/
|
||||
size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...) av_printf_format(3, 4);
|
||||
|
||||
/**
|
||||
* Convert a number to a av_malloced string.
|
||||
*/
|
||||
char *av_d2str(double d);
|
||||
|
||||
/**
|
||||
* Unescape the given string until a non escaped terminating char,
|
||||
* and return the token corresponding to the unescaped string.
|
||||
*
|
||||
* The normal \ and ' escaping is supported. Leading and trailing
|
||||
* whitespaces are removed, unless they are escaped with '\' or are
|
||||
* enclosed between ''.
|
||||
*
|
||||
* @param buf the buffer to parse, buf will be updated to point to the
|
||||
* terminating char
|
||||
* @param term a 0-terminated list of terminating chars
|
||||
* @return the malloced unescaped string, which must be av_freed by
|
||||
* the user, NULL in case of allocation failure
|
||||
*/
|
||||
char *av_get_token(const char **buf, const char *term);
|
||||
|
||||
/**
|
||||
* Locale-independent conversion of ASCII characters to uppercase.
|
||||
*/
|
||||
static inline int av_toupper(int c)
|
||||
{
|
||||
if (c >= 'a' && c <= 'z')
|
||||
c ^= 0x20;
|
||||
return c;
|
||||
}
|
||||
|
||||
/**
|
||||
* Locale-independent conversion of ASCII characters to lowercase.
|
||||
*/
|
||||
static inline int av_tolower(int c)
|
||||
{
|
||||
if (c >= 'A' && c <= 'Z')
|
||||
c ^= 0x20;
|
||||
return c;
|
||||
}
|
||||
|
||||
/*
|
||||
* Locale-independent case-insensitive compare.
|
||||
* @note This means only ASCII-range characters are case-insensitive
|
||||
*/
|
||||
int av_strcasecmp(const char *a, const char *b);
|
||||
|
||||
/**
|
||||
* Locale-independent case-insensitive compare.
|
||||
* @note This means only ASCII-range characters are case-insensitive
|
||||
*/
|
||||
int av_strncasecmp(const char *a, const char *b, size_t n);
|
||||
|
||||
|
||||
/**
|
||||
* Thread safe basename.
|
||||
* @param path the path, on DOS both \ and / are considered separators.
|
||||
* @return pointer to the basename substring.
|
||||
*/
|
||||
const char *av_basename(const char *path);
|
||||
|
||||
/**
|
||||
* Thread safe dirname.
|
||||
* @param path the path, on DOS both \ and / are considered separators.
|
||||
* @return the path with the separator replaced by the string terminator or ".".
|
||||
* @note the function may change the input string.
|
||||
*/
|
||||
const char *av_dirname(char *path);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* AVUTIL_AVSTRING_H */
|
||||
|
|
@ -0,0 +1,275 @@
|
|||
/*
|
||||
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVUTIL_AVUTIL_H
|
||||
#define AVUTIL_AVUTIL_H
|
||||
|
||||
/**
|
||||
* @file
|
||||
* external API header
|
||||
*/
|
||||
|
||||
/**
|
||||
* @mainpage
|
||||
*
|
||||
* @section libav_intro Introduction
|
||||
*
|
||||
* This document describes the usage of the different libraries
|
||||
* provided by Libav.
|
||||
*
|
||||
* @li @ref libavc "libavcodec" encoding/decoding library
|
||||
* @li @subpage libavfilter graph based frame editing library
|
||||
* @li @ref libavf "libavformat" I/O and muxing/demuxing library
|
||||
* @li @ref lavd "libavdevice" special devices muxing/demuxing library
|
||||
* @li @ref lavu "libavutil" common utility library
|
||||
* @li @ref lavr "libavresample" audio resampling, format conversion and mixing
|
||||
* @li @subpage libswscale color conversion and scaling library
|
||||
*/
|
||||
|
||||
/**
|
||||
* @defgroup lavu Common utility functions
|
||||
*
|
||||
* @brief
|
||||
* libavutil contains the code shared across all the other Libav
|
||||
* libraries
|
||||
*
|
||||
* @note In order to use the functions provided by avutil you must include
|
||||
* the specific header.
|
||||
*
|
||||
* @{
|
||||
*
|
||||
* @defgroup lavu_crypto Crypto and Hashing
|
||||
*
|
||||
* @{
|
||||
* @}
|
||||
*
|
||||
* @defgroup lavu_math Maths
|
||||
* @{
|
||||
*
|
||||
* @}
|
||||
*
|
||||
* @defgroup lavu_string String Manipulation
|
||||
*
|
||||
* @{
|
||||
*
|
||||
* @}
|
||||
*
|
||||
* @defgroup lavu_mem Memory Management
|
||||
*
|
||||
* @{
|
||||
*
|
||||
* @}
|
||||
*
|
||||
* @defgroup lavu_data Data Structures
|
||||
* @{
|
||||
*
|
||||
* @}
|
||||
*
|
||||
* @defgroup lavu_audio Audio related
|
||||
*
|
||||
* @{
|
||||
*
|
||||
* @}
|
||||
*
|
||||
* @defgroup lavu_error Error Codes
|
||||
*
|
||||
* @{
|
||||
*
|
||||
* @}
|
||||
*
|
||||
* @defgroup lavu_misc Other
|
||||
*
|
||||
* @{
|
||||
*
|
||||
* @defgroup lavu_internal Internal
|
||||
*
|
||||
* Not exported functions, for internal usage only
|
||||
*
|
||||
* @{
|
||||
*
|
||||
* @}
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* @defgroup preproc_misc Preprocessor String Macros
|
||||
*
|
||||
* String manipulation macros
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#define AV_STRINGIFY(s) AV_TOSTRING(s)
|
||||
#define AV_TOSTRING(s) #s
|
||||
|
||||
#define AV_GLUE(a, b) a ## b
|
||||
#define AV_JOIN(a, b) AV_GLUE(a, b)
|
||||
|
||||
#define AV_PRAGMA(s) _Pragma(#s)
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @defgroup version_utils Library Version Macros
|
||||
*
|
||||
* Useful to check and match library version in order to maintain
|
||||
* backward compatibility.
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
|
||||
#define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
|
||||
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @addtogroup lavu_ver
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* Return the LIBAVUTIL_VERSION_INT constant.
|
||||
*/
|
||||
unsigned avutil_version(void);
|
||||
|
||||
/**
|
||||
* Return the libavutil build-time configuration.
|
||||
*/
|
||||
const char *avutil_configuration(void);
|
||||
|
||||
/**
|
||||
* Return the libavutil license.
|
||||
*/
|
||||
const char *avutil_license(void);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @addtogroup lavu_media Media Type
|
||||
* @brief Media Type
|
||||
*/
|
||||
|
||||
enum AVMediaType {
|
||||
AVMEDIA_TYPE_UNKNOWN = -1, ///< Usually treated as AVMEDIA_TYPE_DATA
|
||||
AVMEDIA_TYPE_VIDEO,
|
||||
AVMEDIA_TYPE_AUDIO,
|
||||
AVMEDIA_TYPE_DATA, ///< Opaque data information usually continuous
|
||||
AVMEDIA_TYPE_SUBTITLE,
|
||||
AVMEDIA_TYPE_ATTACHMENT, ///< Opaque data information usually sparse
|
||||
AVMEDIA_TYPE_NB
|
||||
};
|
||||
|
||||
/**
|
||||
* @defgroup lavu_const Constants
|
||||
* @{
|
||||
*
|
||||
* @defgroup lavu_enc Encoding specific
|
||||
*
|
||||
* @note those definition should move to avcodec
|
||||
* @{
|
||||
*/
|
||||
|
||||
#define FF_LAMBDA_SHIFT 7
|
||||
#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
|
||||
#define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
|
||||
#define FF_LAMBDA_MAX (256*128-1)
|
||||
|
||||
#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
|
||||
|
||||
/**
|
||||
* @}
|
||||
* @defgroup lavu_time Timestamp specific
|
||||
*
|
||||
* Libav internal timebase and timestamp definitions
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Undefined timestamp value
|
||||
*
|
||||
* Usually reported by demuxer that work on containers that do not provide
|
||||
* either pts or dts.
|
||||
*/
|
||||
|
||||
#define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
|
||||
|
||||
/**
|
||||
* Internal time base represented as integer
|
||||
*/
|
||||
|
||||
#define AV_TIME_BASE 1000000
|
||||
|
||||
/**
|
||||
* Internal time base represented as fractional value
|
||||
*/
|
||||
|
||||
#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
|
||||
|
||||
/**
|
||||
* @}
|
||||
* @}
|
||||
* @defgroup lavu_picture Image related
|
||||
*
|
||||
* AVPicture types, pixel formats and basic image planes manipulation.
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
enum AVPictureType {
|
||||
AV_PICTURE_TYPE_I = 1, ///< Intra
|
||||
AV_PICTURE_TYPE_P, ///< Predicted
|
||||
AV_PICTURE_TYPE_B, ///< Bi-dir predicted
|
||||
AV_PICTURE_TYPE_S, ///< S(GMC)-VOP MPEG4
|
||||
AV_PICTURE_TYPE_SI, ///< Switching Intra
|
||||
AV_PICTURE_TYPE_SP, ///< Switching Predicted
|
||||
AV_PICTURE_TYPE_BI, ///< BI type
|
||||
};
|
||||
|
||||
/**
|
||||
* Return a single letter to describe the given picture type
|
||||
* pict_type.
|
||||
*
|
||||
* @param[in] pict_type the picture type @return a single character
|
||||
* representing the picture type, '?' if pict_type is unknown
|
||||
*/
|
||||
char av_get_picture_type_char(enum AVPictureType pict_type);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#include "error.h"
|
||||
#include "version.h"
|
||||
|
||||
/**
|
||||
* @}
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* AVUTIL_AVUTIL_H */
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
/*
|
||||
* Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
|
||||
*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#ifndef AVUTIL_BASE64_H
|
||||
#define AVUTIL_BASE64_H
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
/**
|
||||
* @defgroup lavu_base64 Base64
|
||||
* @ingroup lavu_crypto
|
||||
* @{
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* Decode a base64-encoded string.
|
||||
*
|
||||
* @param out buffer for decoded data
|
||||
* @param in null-terminated input string
|
||||
* @param out_size size in bytes of the out buffer, must be at
|
||||
* least 3/4 of the length of in
|
||||
* @return number of bytes written, or a negative value in case of
|
||||
* invalid input
|
||||
*/
|
||||
int av_base64_decode(uint8_t *out, const char *in, int out_size);
|
||||
|
||||
/**
|
||||
* Encode data to base64 and null-terminate.
|
||||
*
|
||||
* @param out buffer for encoded data
|
||||
* @param out_size size in bytes of the output buffer, must be at
|
||||
* least AV_BASE64_SIZE(in_size)
|
||||
* @param in_size size in bytes of the 'in' buffer
|
||||
* @return 'out' or NULL in case of error
|
||||
*/
|
||||
char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
|
||||
|
||||
/**
|
||||
* Calculate the output size needed to base64-encode x bytes.
|
||||
*/
|
||||
#define AV_BASE64_SIZE(x) (((x)+2) / 3 * 4 + 1)
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* AVUTIL_BASE64_H */
|
||||
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