зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1287370: Remove VDA decoder. r=cpearce
The VDA decoder was no longer usable regardless. MozReview-Commit-ID: 6Q94jrp0OIG --HG-- extra : rebase_source : 368396b413995eb1c9382cb9cb134ec2fcf38d95
This commit is contained in:
Родитель
897e63f874
Коммит
0b57c68c53
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@ -7,8 +7,6 @@
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#include "AppleATDecoder.h"
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#include "AppleCMLinker.h"
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#include "AppleDecoderModule.h"
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#include "AppleVDADecoder.h"
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#include "AppleVDALinker.h"
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#include "AppleVTDecoder.h"
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#include "AppleVTLinker.h"
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#include "MacIOSurfaceImage.h"
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@ -22,7 +20,6 @@ bool AppleDecoderModule::sInitialized = false;
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bool AppleDecoderModule::sIsCoreMediaAvailable = false;
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bool AppleDecoderModule::sIsVTAvailable = false;
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bool AppleDecoderModule::sIsVTHWAvailable = false;
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bool AppleDecoderModule::sIsVDAAvailable = false;
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bool AppleDecoderModule::sCanUseHardwareVideoDecoder = true;
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AppleDecoderModule::AppleDecoderModule()
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@ -45,9 +42,6 @@ AppleDecoderModule::Init()
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MacIOSurfaceLib::LoadLibrary();
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const bool loaded = MacIOSurfaceLib::isInit();
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// dlopen VideoDecodeAcceleration.framework if it's available.
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sIsVDAAvailable = loaded && AppleVDALinker::Link();
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// dlopen CoreMedia.framework if it's available.
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sIsCoreMediaAvailable = AppleCMLinker::Link();
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// dlopen VideoToolbox.framework if it's available.
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@ -67,7 +61,7 @@ AppleDecoderModule::Init()
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nsresult
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AppleDecoderModule::Startup()
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{
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if (!sInitialized || (!sIsVDAAvailable && !sIsVTAvailable)) {
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if (!sInitialized || !sIsVTAvailable) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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@ -76,27 +70,11 @@ AppleDecoderModule::Startup()
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already_AddRefed<MediaDataDecoder>
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AppleDecoderModule::CreateVideoDecoder(const CreateDecoderParams& aParams)
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{
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RefPtr<MediaDataDecoder> decoder;
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if (sIsVDAAvailable && (!sIsVTHWAvailable || MediaPrefs::AppleForceVDA())) {
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decoder =
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AppleVDADecoder::CreateVDADecoder(aParams.VideoConfig(),
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aParams.mTaskQueue,
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aParams.mCallback,
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aParams.mImageContainer);
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if (decoder) {
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return decoder.forget();
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}
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}
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// We fallback here if VDA isn't available, or is available but isn't
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// supported by the current platform.
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if (sIsVTAvailable) {
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decoder =
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new AppleVTDecoder(aParams.VideoConfig(),
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aParams.mTaskQueue,
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aParams.mCallback,
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aParams.mImageContainer);
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}
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RefPtr<MediaDataDecoder> decoder =
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new AppleVTDecoder(aParams.VideoConfig(),
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aParams.mTaskQueue,
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aParams.mCallback,
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aParams.mImageContainer);
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return decoder.forget();
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}
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@ -117,9 +95,8 @@ AppleDecoderModule::SupportsMimeType(const nsACString& aMimeType,
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return (sIsCoreMediaAvailable &&
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(aMimeType.EqualsLiteral("audio/mpeg") ||
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aMimeType.EqualsLiteral("audio/mp4a-latm"))) ||
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((sIsVTAvailable || sIsVDAAvailable) &&
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(aMimeType.EqualsLiteral("video/mp4") ||
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aMimeType.EqualsLiteral("video/avc")));
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(sIsVTAvailable && (aMimeType.EqualsLiteral("video/mp4") ||
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aMimeType.EqualsLiteral("video/avc")));
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}
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PlatformDecoderModule::ConversionRequired
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@ -41,7 +41,6 @@ private:
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static bool sIsCoreMediaAvailable;
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static bool sIsVTAvailable;
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static bool sIsVTHWAvailable;
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static bool sIsVDAAvailable;
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};
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} // namespace mozilla
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@ -1,700 +0,0 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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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 <CoreFoundation/CFString.h>
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#include "AppleDecoderModule.h"
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#include "AppleUtils.h"
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#include "AppleVDADecoder.h"
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#include "AppleVDALinker.h"
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#include "MediaInfo.h"
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#include "mp4_demuxer/H264.h"
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#include "MP4Decoder.h"
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#include "MediaData.h"
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/SyncRunnable.h"
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#include "nsThreadUtils.h"
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#include "mozilla/Logging.h"
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#include "VideoUtils.h"
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#include <algorithm>
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#include "gfxPlatform.h"
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#ifndef MOZ_WIDGET_UIKIT
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#include "MacIOSurfaceImage.h"
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#endif
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#define LOG(...) MOZ_LOG(sPDMLog, mozilla::LogLevel::Debug, (__VA_ARGS__))
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//#define LOG_MEDIA_SHA1
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namespace mozilla {
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static uint32_t ComputeMaxRefFrames(const MediaByteBuffer* aExtraData)
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{
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uint32_t maxRefFrames = 4;
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// Retrieve video dimensions from H264 SPS NAL.
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mp4_demuxer::SPSData spsdata;
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if (mp4_demuxer::H264::DecodeSPSFromExtraData(aExtraData, spsdata)) {
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// max_num_ref_frames determines the size of the sliding window
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// we need to queue that many frames in order to guarantee proper
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// pts frames ordering. Use a minimum of 4 to ensure proper playback of
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// non compliant videos.
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maxRefFrames =
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std::min(std::max(maxRefFrames, spsdata.max_num_ref_frames + 1), 16u);
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}
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return maxRefFrames;
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}
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AppleVDADecoder::AppleVDADecoder(const VideoInfo& aConfig,
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TaskQueue* aTaskQueue,
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MediaDataDecoderCallback* aCallback,
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layers::ImageContainer* aImageContainer)
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: mExtraData(aConfig.mExtraData)
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, mCallback(aCallback)
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, mPictureWidth(aConfig.mImage.width)
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, mPictureHeight(aConfig.mImage.height)
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, mDisplayWidth(aConfig.mDisplay.width)
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, mDisplayHeight(aConfig.mDisplay.height)
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, mQueuedSamples(0)
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, mTaskQueue(aTaskQueue)
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, mDecoder(nullptr)
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, mMaxRefFrames(ComputeMaxRefFrames(aConfig.mExtraData))
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, mImageContainer(aImageContainer)
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, mInputIncoming(0)
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, mIsShutDown(false)
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#ifdef MOZ_WIDGET_UIKIT
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, mUseSoftwareImages(true)
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#else
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, mUseSoftwareImages(false)
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#endif
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, mMonitor("AppleVideoDecoder")
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, mIsFlushing(false)
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{
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MOZ_COUNT_CTOR(AppleVDADecoder);
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// TODO: Verify aConfig.mime_type.
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LOG("Creating AppleVDADecoder for %dx%d (%dx%d) h.264 video",
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mPictureWidth,
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mPictureHeight,
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mDisplayWidth,
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mDisplayHeight
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);
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}
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AppleVDADecoder::~AppleVDADecoder()
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{
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MOZ_COUNT_DTOR(AppleVDADecoder);
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}
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RefPtr<MediaDataDecoder::InitPromise>
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AppleVDADecoder::Init()
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{
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return InitPromise::CreateAndResolve(TrackType::kVideoTrack, __func__);
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}
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nsresult
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AppleVDADecoder::Shutdown()
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{
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MOZ_DIAGNOSTIC_ASSERT(!mIsShutDown);
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mIsShutDown = true;
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if (mTaskQueue) {
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nsCOMPtr<nsIRunnable> runnable =
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NewRunnableMethod(this, &AppleVDADecoder::ProcessShutdown);
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mTaskQueue->Dispatch(runnable.forget());
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} else {
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ProcessShutdown();
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}
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return NS_OK;
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}
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void
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AppleVDADecoder::ProcessShutdown()
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{
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if (mDecoder) {
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LOG("%s: cleaning up decoder %p", __func__, mDecoder);
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VDADecoderDestroy(mDecoder);
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mDecoder = nullptr;
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}
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}
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nsresult
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AppleVDADecoder::Input(MediaRawData* aSample)
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{
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MOZ_ASSERT(mCallback->OnReaderTaskQueue());
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LOG("mp4 input sample %p pts %lld duration %lld us%s %d bytes",
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aSample,
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aSample->mTime,
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aSample->mDuration,
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aSample->mKeyframe ? " keyframe" : "",
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aSample->Size());
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mInputIncoming++;
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mTaskQueue->Dispatch(NewRunnableMethod<RefPtr<MediaRawData>>(
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this, &AppleVDADecoder::ProcessDecode, aSample));
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return NS_OK;
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}
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nsresult
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AppleVDADecoder::Flush()
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{
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MOZ_ASSERT(mCallback->OnReaderTaskQueue());
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mIsFlushing = true;
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nsCOMPtr<nsIRunnable> runnable =
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NewRunnableMethod(this, &AppleVDADecoder::ProcessFlush);
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SyncRunnable::DispatchToThread(mTaskQueue, runnable);
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mIsFlushing = false;
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// All ProcessDecode() tasks should be done.
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MOZ_ASSERT(mInputIncoming == 0);
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mSeekTargetThreshold.reset();
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return NS_OK;
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}
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nsresult
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AppleVDADecoder::Drain()
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{
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MOZ_ASSERT(mCallback->OnReaderTaskQueue());
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nsCOMPtr<nsIRunnable> runnable =
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NewRunnableMethod(this, &AppleVDADecoder::ProcessDrain);
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mTaskQueue->Dispatch(runnable.forget());
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return NS_OK;
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}
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void
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AppleVDADecoder::ProcessFlush()
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{
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AssertOnTaskQueueThread();
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OSStatus rv = VDADecoderFlush(mDecoder, 0 /*dont emit*/);
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if (rv != noErr) {
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LOG("AppleVDADecoder::Flush failed waiting for platform decoder "
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"with error:%d.", rv);
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}
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ClearReorderedFrames();
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}
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void
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AppleVDADecoder::ProcessDrain()
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{
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AssertOnTaskQueueThread();
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OSStatus rv = VDADecoderFlush(mDecoder, kVDADecoderFlush_EmitFrames);
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if (rv != noErr) {
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LOG("AppleVDADecoder::Drain failed waiting for platform decoder "
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"with error:%d.", rv);
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}
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DrainReorderedFrames();
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mCallback->DrainComplete();
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}
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//
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// Implementation details.
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//
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// Callback passed to the VideoToolbox decoder for returning data.
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// This needs to be static because the API takes a C-style pair of
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// function and userdata pointers. This validates parameters and
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// forwards the decoded image back to an object method.
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static void
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PlatformCallback(void* decompressionOutputRefCon,
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CFDictionaryRef frameInfo,
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OSStatus status,
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VDADecodeInfoFlags infoFlags,
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CVImageBufferRef image)
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{
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LOG("AppleVDADecoder[%s] status %d flags %d retainCount %ld",
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__func__, status, infoFlags, CFGetRetainCount(frameInfo));
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// Validate our arguments.
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// According to Apple's TN2267
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// The output callback is still called for all flushed frames,
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// but no image buffers will be returned.
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// FIXME: Distinguish between errors and empty flushed frames.
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if (status != noErr || !image) {
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NS_WARNING("AppleVDADecoder decoder returned no data");
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image = nullptr;
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} else if (infoFlags & kVDADecodeInfo_FrameDropped) {
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NS_WARNING(" ...frame dropped...");
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image = nullptr;
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} else {
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MOZ_ASSERT(image || CFGetTypeID(image) == CVPixelBufferGetTypeID(),
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"AppleVDADecoder returned an unexpected image type");
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}
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AppleVDADecoder* decoder =
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static_cast<AppleVDADecoder*>(decompressionOutputRefCon);
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AutoCFRelease<CFNumberRef> ptsref =
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(CFNumberRef)CFDictionaryGetValue(frameInfo, CFSTR("FRAME_PTS"));
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AutoCFRelease<CFNumberRef> dtsref =
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(CFNumberRef)CFDictionaryGetValue(frameInfo, CFSTR("FRAME_DTS"));
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AutoCFRelease<CFNumberRef> durref =
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(CFNumberRef)CFDictionaryGetValue(frameInfo, CFSTR("FRAME_DURATION"));
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AutoCFRelease<CFNumberRef> boref =
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(CFNumberRef)CFDictionaryGetValue(frameInfo, CFSTR("FRAME_OFFSET"));
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AutoCFRelease<CFNumberRef> kfref =
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(CFNumberRef)CFDictionaryGetValue(frameInfo, CFSTR("FRAME_KEYFRAME"));
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int64_t dts;
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int64_t pts;
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int64_t duration;
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int64_t byte_offset;
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char is_sync_point;
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CFNumberGetValue(ptsref, kCFNumberSInt64Type, &pts);
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CFNumberGetValue(dtsref, kCFNumberSInt64Type, &dts);
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CFNumberGetValue(durref, kCFNumberSInt64Type, &duration);
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CFNumberGetValue(boref, kCFNumberSInt64Type, &byte_offset);
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CFNumberGetValue(kfref, kCFNumberSInt8Type, &is_sync_point);
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AppleVDADecoder::AppleFrameRef frameRef(
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media::TimeUnit::FromMicroseconds(dts),
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media::TimeUnit::FromMicroseconds(pts),
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media::TimeUnit::FromMicroseconds(duration),
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byte_offset,
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is_sync_point == 1);
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decoder->OutputFrame(image, frameRef);
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}
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AppleVDADecoder::AppleFrameRef*
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AppleVDADecoder::CreateAppleFrameRef(const MediaRawData* aSample)
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{
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MOZ_ASSERT(aSample);
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return new AppleFrameRef(*aSample);
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}
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void
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AppleVDADecoder::DrainReorderedFrames()
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{
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MonitorAutoLock mon(mMonitor);
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while (!mReorderQueue.IsEmpty()) {
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mCallback->Output(mReorderQueue.Pop().get());
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}
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mQueuedSamples = 0;
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}
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void
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AppleVDADecoder::ClearReorderedFrames()
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{
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MonitorAutoLock mon(mMonitor);
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while (!mReorderQueue.IsEmpty()) {
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mReorderQueue.Pop();
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}
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mQueuedSamples = 0;
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}
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void
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AppleVDADecoder::SetSeekThreshold(const media::TimeUnit& aTime)
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{
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LOG("SetSeekThreshold %lld", aTime.ToMicroseconds());
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mSeekTargetThreshold = Some(aTime);
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}
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// Copy and return a decoded frame.
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nsresult
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AppleVDADecoder::OutputFrame(CVPixelBufferRef aImage,
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AppleVDADecoder::AppleFrameRef aFrameRef)
|
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{
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if (mIsShutDown || mIsFlushing) {
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// We are in the process of flushing or shutting down; ignore frame.
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return NS_OK;
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}
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LOG("mp4 output frame %lld dts %lld pts %lld duration %lld us%s",
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aFrameRef.byte_offset,
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aFrameRef.decode_timestamp.ToMicroseconds(),
|
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aFrameRef.composition_timestamp.ToMicroseconds(),
|
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aFrameRef.duration.ToMicroseconds(),
|
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aFrameRef.is_sync_point ? " keyframe" : ""
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);
|
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|
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if (mQueuedSamples > mMaxRefFrames) {
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// We had stopped requesting more input because we had received too much at
|
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// the time. We can ask for more once again.
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mCallback->InputExhausted();
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}
|
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MOZ_ASSERT(mQueuedSamples);
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mQueuedSamples--;
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if (!aImage) {
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// Image was dropped by decoder.
|
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return NS_OK;
|
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}
|
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|
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bool useNullSample = false;
|
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if (mSeekTargetThreshold.isSome()) {
|
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if ((aFrameRef.composition_timestamp + aFrameRef.duration) < mSeekTargetThreshold.ref()) {
|
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useNullSample = true;
|
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} else {
|
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mSeekTargetThreshold.reset();
|
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}
|
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}
|
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|
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// Where our resulting image will end up.
|
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RefPtr<MediaData> data;
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// Bounds.
|
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VideoInfo info;
|
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info.mDisplay = nsIntSize(mDisplayWidth, mDisplayHeight);
|
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gfx::IntRect visible = gfx::IntRect(0,
|
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0,
|
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mPictureWidth,
|
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mPictureHeight);
|
||||
|
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if (useNullSample) {
|
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data = new NullData(aFrameRef.byte_offset,
|
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aFrameRef.composition_timestamp.ToMicroseconds(),
|
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aFrameRef.duration.ToMicroseconds());
|
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} else if (mUseSoftwareImages) {
|
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size_t width = CVPixelBufferGetWidth(aImage);
|
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size_t height = CVPixelBufferGetHeight(aImage);
|
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DebugOnly<size_t> planes = CVPixelBufferGetPlaneCount(aImage);
|
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MOZ_ASSERT(planes == 2, "Likely not NV12 format and it must be.");
|
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|
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VideoData::YCbCrBuffer buffer;
|
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|
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// Lock the returned image data.
|
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CVReturn rv = CVPixelBufferLockBaseAddress(aImage, kCVPixelBufferLock_ReadOnly);
|
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if (rv != kCVReturnSuccess) {
|
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NS_ERROR("error locking pixel data");
|
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mCallback->Error(MediaDataDecoderError::DECODE_ERROR);
|
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return NS_ERROR_FAILURE;
|
||||
}
|
||||
// Y plane.
|
||||
buffer.mPlanes[0].mData =
|
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static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 0));
|
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buffer.mPlanes[0].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 0);
|
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buffer.mPlanes[0].mWidth = width;
|
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buffer.mPlanes[0].mHeight = height;
|
||||
buffer.mPlanes[0].mOffset = 0;
|
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buffer.mPlanes[0].mSkip = 0;
|
||||
// Cb plane.
|
||||
buffer.mPlanes[1].mData =
|
||||
static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 1));
|
||||
buffer.mPlanes[1].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 1);
|
||||
buffer.mPlanes[1].mWidth = (width+1) / 2;
|
||||
buffer.mPlanes[1].mHeight = (height+1) / 2;
|
||||
buffer.mPlanes[1].mOffset = 0;
|
||||
buffer.mPlanes[1].mSkip = 1;
|
||||
// Cr plane.
|
||||
buffer.mPlanes[2].mData =
|
||||
static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 1));
|
||||
buffer.mPlanes[2].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 1);
|
||||
buffer.mPlanes[2].mWidth = (width+1) / 2;
|
||||
buffer.mPlanes[2].mHeight = (height+1) / 2;
|
||||
buffer.mPlanes[2].mOffset = 1;
|
||||
buffer.mPlanes[2].mSkip = 1;
|
||||
|
||||
// Copy the image data into our own format.
|
||||
data =
|
||||
VideoData::Create(info,
|
||||
mImageContainer,
|
||||
nullptr,
|
||||
aFrameRef.byte_offset,
|
||||
aFrameRef.composition_timestamp.ToMicroseconds(),
|
||||
aFrameRef.duration.ToMicroseconds(),
|
||||
buffer,
|
||||
aFrameRef.is_sync_point,
|
||||
aFrameRef.decode_timestamp.ToMicroseconds(),
|
||||
visible);
|
||||
// Unlock the returned image data.
|
||||
CVPixelBufferUnlockBaseAddress(aImage, kCVPixelBufferLock_ReadOnly);
|
||||
} else {
|
||||
#ifndef MOZ_WIDGET_UIKIT
|
||||
IOSurfacePtr surface = MacIOSurfaceLib::CVPixelBufferGetIOSurface(aImage);
|
||||
MOZ_ASSERT(surface, "Decoder didn't return an IOSurface backed buffer");
|
||||
|
||||
RefPtr<MacIOSurface> macSurface = new MacIOSurface(surface);
|
||||
|
||||
RefPtr<layers::Image> image = new MacIOSurfaceImage(macSurface);
|
||||
|
||||
data =
|
||||
VideoData::CreateFromImage(info,
|
||||
mImageContainer,
|
||||
aFrameRef.byte_offset,
|
||||
aFrameRef.composition_timestamp.ToMicroseconds(),
|
||||
aFrameRef.duration.ToMicroseconds(),
|
||||
image.forget(),
|
||||
aFrameRef.is_sync_point,
|
||||
aFrameRef.decode_timestamp.ToMicroseconds(),
|
||||
visible);
|
||||
#else
|
||||
MOZ_ASSERT_UNREACHABLE("No MacIOSurface on iOS");
|
||||
#endif
|
||||
}
|
||||
|
||||
if (!data) {
|
||||
NS_ERROR("Couldn't create VideoData for frame");
|
||||
mCallback->Error(MediaDataDecoderError::FATAL_ERROR);
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
// Frames come out in DTS order but we need to output them
|
||||
// in composition order.
|
||||
MonitorAutoLock mon(mMonitor);
|
||||
mReorderQueue.Push(data);
|
||||
while (mReorderQueue.Length() > mMaxRefFrames) {
|
||||
mCallback->Output(mReorderQueue.Pop().get());
|
||||
}
|
||||
LOG("%llu decoded frames queued",
|
||||
static_cast<unsigned long long>(mReorderQueue.Length()));
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
AppleVDADecoder::ProcessDecode(MediaRawData* aSample)
|
||||
{
|
||||
AssertOnTaskQueueThread();
|
||||
|
||||
mInputIncoming--;
|
||||
|
||||
if (mIsFlushing) {
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
auto rv = DoDecode(aSample);
|
||||
// Ask for more data.
|
||||
if (NS_SUCCEEDED(rv) && !mInputIncoming && mQueuedSamples <= mMaxRefFrames) {
|
||||
LOG("%s task queue empty; requesting more data", GetDescriptionName());
|
||||
mCallback->InputExhausted();
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
nsresult
|
||||
AppleVDADecoder::DoDecode(MediaRawData* aSample)
|
||||
{
|
||||
AssertOnTaskQueueThread();
|
||||
|
||||
AutoCFRelease<CFDataRef> block =
|
||||
CFDataCreate(kCFAllocatorDefault, aSample->Data(), aSample->Size());
|
||||
if (!block) {
|
||||
NS_ERROR("Couldn't create CFData");
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
AutoCFRelease<CFNumberRef> pts =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt64Type,
|
||||
&aSample->mTime);
|
||||
AutoCFRelease<CFNumberRef> dts =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt64Type,
|
||||
&aSample->mTimecode);
|
||||
AutoCFRelease<CFNumberRef> duration =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt64Type,
|
||||
&aSample->mDuration);
|
||||
AutoCFRelease<CFNumberRef> byte_offset =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt64Type,
|
||||
&aSample->mOffset);
|
||||
char keyframe = aSample->mKeyframe ? 1 : 0;
|
||||
AutoCFRelease<CFNumberRef> cfkeyframe =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt8Type,
|
||||
&keyframe);
|
||||
|
||||
const void* keys[] = { CFSTR("FRAME_PTS"),
|
||||
CFSTR("FRAME_DTS"),
|
||||
CFSTR("FRAME_DURATION"),
|
||||
CFSTR("FRAME_OFFSET"),
|
||||
CFSTR("FRAME_KEYFRAME") };
|
||||
const void* values[] = { pts,
|
||||
dts,
|
||||
duration,
|
||||
byte_offset,
|
||||
cfkeyframe };
|
||||
static_assert(ArrayLength(keys) == ArrayLength(values),
|
||||
"Non matching keys/values array size");
|
||||
|
||||
AutoCFRelease<CFDictionaryRef> frameInfo =
|
||||
CFDictionaryCreate(kCFAllocatorDefault,
|
||||
keys,
|
||||
values,
|
||||
ArrayLength(keys),
|
||||
&kCFTypeDictionaryKeyCallBacks,
|
||||
&kCFTypeDictionaryValueCallBacks);
|
||||
|
||||
mQueuedSamples++;
|
||||
|
||||
OSStatus rv = VDADecoderDecode(mDecoder,
|
||||
0,
|
||||
block,
|
||||
frameInfo);
|
||||
|
||||
if (rv != noErr) {
|
||||
NS_WARNING("AppleVDADecoder: Couldn't pass frame to decoder");
|
||||
mCallback->Error(MediaDataDecoderError::FATAL_ERROR);
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
AppleVDADecoder::InitializeSession()
|
||||
{
|
||||
OSStatus rv;
|
||||
|
||||
AutoCFRelease<CFDictionaryRef> decoderConfig =
|
||||
CreateDecoderSpecification();
|
||||
|
||||
AutoCFRelease<CFDictionaryRef> outputConfiguration =
|
||||
CreateOutputConfiguration();
|
||||
|
||||
rv =
|
||||
VDADecoderCreate(decoderConfig,
|
||||
outputConfiguration,
|
||||
(VDADecoderOutputCallback*)PlatformCallback,
|
||||
this,
|
||||
&mDecoder);
|
||||
|
||||
if (rv != noErr) {
|
||||
NS_WARNING("AppleVDADecoder: Couldn't create hardware VDA decoder");
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
CFDictionaryRef
|
||||
AppleVDADecoder::CreateDecoderSpecification()
|
||||
{
|
||||
const uint8_t* extradata = mExtraData->Elements();
|
||||
int extrasize = mExtraData->Length();
|
||||
|
||||
OSType format = 'avc1';
|
||||
AutoCFRelease<CFNumberRef> avc_width =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt32Type,
|
||||
&mPictureWidth);
|
||||
AutoCFRelease<CFNumberRef> avc_height =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt32Type,
|
||||
&mPictureHeight);
|
||||
AutoCFRelease<CFNumberRef> avc_format =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt32Type,
|
||||
&format);
|
||||
AutoCFRelease<CFDataRef> avc_data =
|
||||
CFDataCreate(kCFAllocatorDefault,
|
||||
extradata,
|
||||
extrasize);
|
||||
|
||||
const void* decoderKeys[] = { AppleVDALinker::skPropWidth,
|
||||
AppleVDALinker::skPropHeight,
|
||||
AppleVDALinker::skPropSourceFormat,
|
||||
AppleVDALinker::skPropAVCCData };
|
||||
const void* decoderValue[] = { avc_width,
|
||||
avc_height,
|
||||
avc_format,
|
||||
avc_data };
|
||||
static_assert(ArrayLength(decoderKeys) == ArrayLength(decoderValue),
|
||||
"Non matching keys/values array size");
|
||||
|
||||
return CFDictionaryCreate(kCFAllocatorDefault,
|
||||
decoderKeys,
|
||||
decoderValue,
|
||||
ArrayLength(decoderKeys),
|
||||
&kCFTypeDictionaryKeyCallBacks,
|
||||
&kCFTypeDictionaryValueCallBacks);
|
||||
}
|
||||
|
||||
CFDictionaryRef
|
||||
AppleVDADecoder::CreateOutputConfiguration()
|
||||
{
|
||||
if (mUseSoftwareImages) {
|
||||
// Output format type:
|
||||
SInt32 PixelFormatTypeValue =
|
||||
kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange;
|
||||
AutoCFRelease<CFNumberRef> PixelFormatTypeNumber =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt32Type,
|
||||
&PixelFormatTypeValue);
|
||||
const void* outputKeys[] = { kCVPixelBufferPixelFormatTypeKey };
|
||||
const void* outputValues[] = { PixelFormatTypeNumber };
|
||||
static_assert(ArrayLength(outputKeys) == ArrayLength(outputValues),
|
||||
"Non matching keys/values array size");
|
||||
|
||||
return CFDictionaryCreate(kCFAllocatorDefault,
|
||||
outputKeys,
|
||||
outputValues,
|
||||
ArrayLength(outputKeys),
|
||||
&kCFTypeDictionaryKeyCallBacks,
|
||||
&kCFTypeDictionaryValueCallBacks);
|
||||
}
|
||||
|
||||
#ifndef MOZ_WIDGET_UIKIT
|
||||
// Output format type:
|
||||
SInt32 PixelFormatTypeValue = kCVPixelFormatType_422YpCbCr8;
|
||||
AutoCFRelease<CFNumberRef> PixelFormatTypeNumber =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt32Type,
|
||||
&PixelFormatTypeValue);
|
||||
// Construct IOSurface Properties
|
||||
const void* IOSurfaceKeys[] = { MacIOSurfaceLib::kPropIsGlobal };
|
||||
const void* IOSurfaceValues[] = { kCFBooleanTrue };
|
||||
static_assert(ArrayLength(IOSurfaceKeys) == ArrayLength(IOSurfaceValues),
|
||||
"Non matching keys/values array size");
|
||||
|
||||
// Contruct output configuration.
|
||||
AutoCFRelease<CFDictionaryRef> IOSurfaceProperties =
|
||||
CFDictionaryCreate(kCFAllocatorDefault,
|
||||
IOSurfaceKeys,
|
||||
IOSurfaceValues,
|
||||
ArrayLength(IOSurfaceKeys),
|
||||
&kCFTypeDictionaryKeyCallBacks,
|
||||
&kCFTypeDictionaryValueCallBacks);
|
||||
|
||||
const void* outputKeys[] = { kCVPixelBufferIOSurfacePropertiesKey,
|
||||
kCVPixelBufferPixelFormatTypeKey,
|
||||
kCVPixelBufferOpenGLCompatibilityKey };
|
||||
const void* outputValues[] = { IOSurfaceProperties,
|
||||
PixelFormatTypeNumber,
|
||||
kCFBooleanTrue };
|
||||
static_assert(ArrayLength(outputKeys) == ArrayLength(outputValues),
|
||||
"Non matching keys/values array size");
|
||||
|
||||
return CFDictionaryCreate(kCFAllocatorDefault,
|
||||
outputKeys,
|
||||
outputValues,
|
||||
ArrayLength(outputKeys),
|
||||
&kCFTypeDictionaryKeyCallBacks,
|
||||
&kCFTypeDictionaryValueCallBacks);
|
||||
#else
|
||||
MOZ_ASSERT_UNREACHABLE("No MacIOSurface on iOS");
|
||||
#endif
|
||||
}
|
||||
|
||||
/* static */
|
||||
already_AddRefed<AppleVDADecoder>
|
||||
AppleVDADecoder::CreateVDADecoder(
|
||||
const VideoInfo& aConfig,
|
||||
TaskQueue* aTaskQueue,
|
||||
MediaDataDecoderCallback* aCallback,
|
||||
layers::ImageContainer* aImageContainer)
|
||||
{
|
||||
if (!AppleDecoderModule::sCanUseHardwareVideoDecoder) {
|
||||
// This GPU is blacklisted for hardware decoding.
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
RefPtr<AppleVDADecoder> decoder =
|
||||
new AppleVDADecoder(aConfig, aTaskQueue, aCallback, aImageContainer);
|
||||
|
||||
if (NS_FAILED(decoder->InitializeSession())) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
return decoder.forget();
|
||||
}
|
||||
|
||||
} // namespace mozilla
|
|
@ -1,159 +0,0 @@
|
|||
/* -*- 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 mozilla_AppleVDADecoder_h
|
||||
#define mozilla_AppleVDADecoder_h
|
||||
|
||||
#include "PlatformDecoderModule.h"
|
||||
#include "mozilla/Atomics.h"
|
||||
#include "mozilla/ReentrantMonitor.h"
|
||||
#include "MP4Decoder.h"
|
||||
#include "nsIThread.h"
|
||||
#include "ReorderQueue.h"
|
||||
#include "TimeUnits.h"
|
||||
|
||||
#include "VideoDecodeAcceleration/VDADecoder.h"
|
||||
|
||||
namespace mozilla {
|
||||
|
||||
class TaskQueue;
|
||||
class MediaDataDecoderCallback;
|
||||
namespace layers {
|
||||
class ImageContainer;
|
||||
} // namespace layers
|
||||
|
||||
class AppleVDADecoder : public MediaDataDecoder {
|
||||
public:
|
||||
class AppleFrameRef {
|
||||
public:
|
||||
media::TimeUnit decode_timestamp;
|
||||
media::TimeUnit composition_timestamp;
|
||||
media::TimeUnit duration;
|
||||
int64_t byte_offset;
|
||||
bool is_sync_point;
|
||||
|
||||
explicit AppleFrameRef(const MediaRawData& aSample)
|
||||
: decode_timestamp(media::TimeUnit::FromMicroseconds(aSample.mTimecode))
|
||||
, composition_timestamp(media::TimeUnit::FromMicroseconds(aSample.mTime))
|
||||
, duration(media::TimeUnit::FromMicroseconds(aSample.mDuration))
|
||||
, byte_offset(aSample.mOffset)
|
||||
, is_sync_point(aSample.mKeyframe)
|
||||
{
|
||||
}
|
||||
|
||||
AppleFrameRef(const media::TimeUnit& aDts,
|
||||
const media::TimeUnit& aPts,
|
||||
const media::TimeUnit& aDuration,
|
||||
int64_t aByte_offset,
|
||||
bool aIs_sync_point)
|
||||
: decode_timestamp(aDts)
|
||||
, composition_timestamp(aPts)
|
||||
, duration(aDuration)
|
||||
, byte_offset(aByte_offset)
|
||||
, is_sync_point(aIs_sync_point)
|
||||
{
|
||||
}
|
||||
};
|
||||
|
||||
// Return a new created AppleVDADecoder or nullptr if media or hardware is
|
||||
// not supported by current configuration.
|
||||
static already_AddRefed<AppleVDADecoder> CreateVDADecoder(
|
||||
const VideoInfo& aConfig,
|
||||
TaskQueue* aTaskQueue,
|
||||
MediaDataDecoderCallback* aCallback,
|
||||
layers::ImageContainer* aImageContainer);
|
||||
|
||||
// Access from the taskqueue and the decoder's thread.
|
||||
// OutputFrame is thread-safe.
|
||||
nsresult OutputFrame(CVPixelBufferRef aImage,
|
||||
AppleFrameRef aFrameRef);
|
||||
|
||||
RefPtr<InitPromise> Init() override;
|
||||
nsresult Input(MediaRawData* aSample) override;
|
||||
nsresult Flush() override;
|
||||
nsresult Drain() override;
|
||||
nsresult Shutdown() override;
|
||||
bool IsHardwareAccelerated(nsACString& aFailureReason) const override
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
const char* GetDescriptionName() const override
|
||||
{
|
||||
return "apple VDA decoder";
|
||||
}
|
||||
|
||||
void SetSeekThreshold(const media::TimeUnit& aTime) override;
|
||||
|
||||
protected:
|
||||
AppleVDADecoder(const VideoInfo& aConfig,
|
||||
TaskQueue* aTaskQueue,
|
||||
MediaDataDecoderCallback* aCallback,
|
||||
layers::ImageContainer* aImageContainer);
|
||||
virtual ~AppleVDADecoder();
|
||||
|
||||
void AssertOnTaskQueueThread()
|
||||
{
|
||||
MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
|
||||
}
|
||||
|
||||
AppleFrameRef* CreateAppleFrameRef(const MediaRawData* aSample);
|
||||
void DrainReorderedFrames();
|
||||
void ClearReorderedFrames();
|
||||
CFDictionaryRef CreateOutputConfiguration();
|
||||
|
||||
const RefPtr<MediaByteBuffer> mExtraData;
|
||||
MediaDataDecoderCallback* mCallback;
|
||||
const uint32_t mPictureWidth;
|
||||
const uint32_t mPictureHeight;
|
||||
const uint32_t mDisplayWidth;
|
||||
const uint32_t mDisplayHeight;
|
||||
|
||||
// Number of times a sample was queued via Input(). Will be decreased upon
|
||||
// the decoder's callback being invoked.
|
||||
// This is used to calculate how many frames has been buffered by the decoder.
|
||||
Atomic<uint32_t> mQueuedSamples;
|
||||
|
||||
private:
|
||||
// Flush and Drain operation, always run
|
||||
virtual void ProcessFlush();
|
||||
virtual void ProcessDrain();
|
||||
virtual void ProcessShutdown();
|
||||
|
||||
const RefPtr<TaskQueue> mTaskQueue;
|
||||
VDADecoder mDecoder;
|
||||
const uint32_t mMaxRefFrames;
|
||||
const RefPtr<layers::ImageContainer> mImageContainer;
|
||||
// Increased when Input is called, and decreased when ProcessFrame runs.
|
||||
// Reaching 0 indicates that there's no pending Input.
|
||||
Atomic<uint32_t> mInputIncoming;
|
||||
Atomic<bool> mIsShutDown;
|
||||
const bool mUseSoftwareImages;
|
||||
|
||||
// Protects mReorderQueue.
|
||||
Monitor mMonitor;
|
||||
// Set on reader/decode thread calling Flush() to indicate that output is
|
||||
// not required and so input samples on mTaskQueue need not be processed.
|
||||
// Cleared on mTaskQueue in ProcessDrain().
|
||||
Atomic<bool> mIsFlushing;
|
||||
ReorderQueue mReorderQueue;
|
||||
// Decoded frame will be dropped if its pts is smaller than this
|
||||
// value. It shold be initialized before Input() or after Flush(). So it is
|
||||
// safe to access it in OutputFrame without protecting.
|
||||
Maybe<media::TimeUnit> mSeekTargetThreshold;
|
||||
|
||||
// Method to set up the decompression session.
|
||||
nsresult InitializeSession();
|
||||
|
||||
// Method to pass a frame to VideoToolbox for decoding.
|
||||
nsresult ProcessDecode(MediaRawData* aSample);
|
||||
virtual nsresult DoDecode(MediaRawData* aSample);
|
||||
CFDictionaryRef CreateDecoderSpecification();
|
||||
};
|
||||
|
||||
} // namespace mozilla
|
||||
|
||||
#endif // mozilla_AppleVDADecoder_h
|
|
@ -1,12 +0,0 @@
|
|||
/* -*- 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/. */
|
||||
|
||||
// Construct references to each of the VDA symbols we use.
|
||||
|
||||
LINK_FUNC(VDADecoderCreate)
|
||||
LINK_FUNC(VDADecoderDecode)
|
||||
LINK_FUNC(VDADecoderFlush)
|
||||
LINK_FUNC(VDADecoderDestroy)
|
|
@ -1,103 +0,0 @@
|
|||
/* -*- 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 <dlfcn.h>
|
||||
|
||||
#include "AppleVDALinker.h"
|
||||
#include "nsDebug.h"
|
||||
|
||||
#define LOG(...) MOZ_LOG(sPDMLog, mozilla::LogLevel::Debug, (__VA_ARGS__))
|
||||
|
||||
namespace mozilla {
|
||||
|
||||
AppleVDALinker::LinkStatus
|
||||
AppleVDALinker::sLinkStatus = LinkStatus_INIT;
|
||||
|
||||
void* AppleVDALinker::sLink = nullptr;
|
||||
CFStringRef AppleVDALinker::skPropWidth = nullptr;
|
||||
CFStringRef AppleVDALinker::skPropHeight = nullptr;
|
||||
CFStringRef AppleVDALinker::skPropSourceFormat = nullptr;
|
||||
CFStringRef AppleVDALinker::skPropAVCCData = nullptr;
|
||||
|
||||
#define LINK_FUNC(func) typeof(func) func;
|
||||
#include "AppleVDAFunctions.h"
|
||||
#undef LINK_FUNC
|
||||
|
||||
/* static */ bool
|
||||
AppleVDALinker::Link()
|
||||
{
|
||||
if (sLinkStatus) {
|
||||
return sLinkStatus == LinkStatus_SUCCEEDED;
|
||||
}
|
||||
|
||||
const char* dlname =
|
||||
"/System/Library/Frameworks/VideoDecodeAcceleration.framework/VideoDecodeAcceleration";
|
||||
|
||||
if (!(sLink = dlopen(dlname, RTLD_NOW | RTLD_LOCAL))) {
|
||||
NS_WARNING("Couldn't load VideoDecodeAcceleration framework");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
#define LINK_FUNC(func) \
|
||||
func = (typeof(func))dlsym(sLink, #func); \
|
||||
if (!func) { \
|
||||
NS_WARNING("Couldn't load VideoDecodeAcceleration function " #func ); \
|
||||
goto fail; \
|
||||
}
|
||||
#include "AppleVDAFunctions.h"
|
||||
#undef LINK_FUNC
|
||||
|
||||
skPropWidth = GetIOConst("kVDADecoderConfiguration_Width");
|
||||
skPropHeight = GetIOConst("kVDADecoderConfiguration_Height");
|
||||
skPropSourceFormat = GetIOConst("kVDADecoderConfiguration_SourceFormat");
|
||||
skPropAVCCData = GetIOConst("kVDADecoderConfiguration_avcCData");
|
||||
|
||||
if (!skPropWidth || !skPropHeight || !skPropSourceFormat || !skPropAVCCData) {
|
||||
goto fail;
|
||||
}
|
||||
|
||||
LOG("Loaded VideoDecodeAcceleration framework.");
|
||||
sLinkStatus = LinkStatus_SUCCEEDED;
|
||||
return true;
|
||||
|
||||
fail:
|
||||
Unlink();
|
||||
|
||||
sLinkStatus = LinkStatus_FAILED;
|
||||
return false;
|
||||
}
|
||||
|
||||
/* static */ void
|
||||
AppleVDALinker::Unlink()
|
||||
{
|
||||
if (sLink) {
|
||||
LOG("Unlinking VideoDecodeAcceleration framework.");
|
||||
#define LINK_FUNC(func) \
|
||||
func = nullptr;
|
||||
#include "AppleVDAFunctions.h"
|
||||
#undef LINK_FUNC
|
||||
dlclose(sLink);
|
||||
sLink = nullptr;
|
||||
skPropWidth = nullptr;
|
||||
skPropHeight = nullptr;
|
||||
skPropSourceFormat = nullptr;
|
||||
skPropAVCCData = nullptr;
|
||||
sLinkStatus = LinkStatus_INIT;
|
||||
}
|
||||
}
|
||||
|
||||
/* static */ CFStringRef
|
||||
AppleVDALinker::GetIOConst(const char* symbol)
|
||||
{
|
||||
CFStringRef* address = (CFStringRef*)dlsym(sLink, symbol);
|
||||
if (!address) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
return *address;
|
||||
}
|
||||
|
||||
} // namespace mozilla
|
|
@ -1,49 +0,0 @@
|
|||
/* -*- 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 AppleVDALinker_h
|
||||
#define AppleVDALinker_h
|
||||
|
||||
extern "C" {
|
||||
#pragma GCC visibility push(default)
|
||||
#include "VideoDecodeAcceleration/VDADecoder.h"
|
||||
#pragma GCC visibility pop
|
||||
}
|
||||
|
||||
#include "nscore.h"
|
||||
|
||||
namespace mozilla {
|
||||
|
||||
class AppleVDALinker
|
||||
{
|
||||
public:
|
||||
static bool Link();
|
||||
static void Unlink();
|
||||
static CFStringRef skPropWidth;
|
||||
static CFStringRef skPropHeight;
|
||||
static CFStringRef skPropSourceFormat;
|
||||
static CFStringRef skPropAVCCData;
|
||||
|
||||
private:
|
||||
static void* sLink;
|
||||
static nsrefcnt sRefCount;
|
||||
|
||||
static enum LinkStatus {
|
||||
LinkStatus_INIT = 0,
|
||||
LinkStatus_FAILED,
|
||||
LinkStatus_SUCCEEDED
|
||||
} sLinkStatus;
|
||||
|
||||
static CFStringRef GetIOConst(const char* symbol);
|
||||
};
|
||||
|
||||
#define LINK_FUNC(func) extern typeof(func)* func;
|
||||
#include "AppleVDAFunctions.h"
|
||||
#undef LINK_FUNC
|
||||
|
||||
} // namespace mozilla
|
||||
|
||||
#endif // AppleVDALinker_h
|
|
@ -24,11 +24,45 @@
|
|||
|
||||
namespace mozilla {
|
||||
|
||||
static uint32_t ComputeMaxRefFrames(const MediaByteBuffer* aExtraData)
|
||||
{
|
||||
uint32_t maxRefFrames = 4;
|
||||
// Retrieve video dimensions from H264 SPS NAL.
|
||||
mp4_demuxer::SPSData spsdata;
|
||||
if (mp4_demuxer::H264::DecodeSPSFromExtraData(aExtraData, spsdata)) {
|
||||
// max_num_ref_frames determines the size of the sliding window
|
||||
// we need to queue that many frames in order to guarantee proper
|
||||
// pts frames ordering. Use a minimum of 4 to ensure proper playback of
|
||||
// non compliant videos.
|
||||
maxRefFrames =
|
||||
std::min(std::max(maxRefFrames, spsdata.max_num_ref_frames + 1), 16u);
|
||||
}
|
||||
return maxRefFrames;
|
||||
}
|
||||
|
||||
AppleVTDecoder::AppleVTDecoder(const VideoInfo& aConfig,
|
||||
TaskQueue* aTaskQueue,
|
||||
MediaDataDecoderCallback* aCallback,
|
||||
layers::ImageContainer* aImageContainer)
|
||||
: AppleVDADecoder(aConfig, aTaskQueue, aCallback, aImageContainer)
|
||||
: mExtraData(aConfig.mExtraData)
|
||||
, mCallback(aCallback)
|
||||
, mPictureWidth(aConfig.mImage.width)
|
||||
, mPictureHeight(aConfig.mImage.height)
|
||||
, mDisplayWidth(aConfig.mDisplay.width)
|
||||
, mDisplayHeight(aConfig.mDisplay.height)
|
||||
, mQueuedSamples(0)
|
||||
, mTaskQueue(aTaskQueue)
|
||||
, mMaxRefFrames(ComputeMaxRefFrames(aConfig.mExtraData))
|
||||
, mImageContainer(aImageContainer)
|
||||
, mInputIncoming(0)
|
||||
, mIsShutDown(false)
|
||||
#ifdef MOZ_WIDGET_UIKIT
|
||||
, mUseSoftwareImages(true)
|
||||
#else
|
||||
, mUseSoftwareImages(false)
|
||||
#endif
|
||||
, mIsFlushing(false)
|
||||
, mMonitor("AppleVideoDecoder")
|
||||
, mFormat(nullptr)
|
||||
, mSession(nullptr)
|
||||
, mIsHardwareAccelerated(false)
|
||||
|
@ -58,6 +92,88 @@ AppleVTDecoder::Init()
|
|||
return InitPromise::CreateAndReject(DecoderFailureReason::INIT_ERROR, __func__);
|
||||
}
|
||||
|
||||
nsresult
|
||||
AppleVTDecoder::Input(MediaRawData* aSample)
|
||||
{
|
||||
MOZ_ASSERT(mCallback->OnReaderTaskQueue());
|
||||
|
||||
LOG("mp4 input sample %p pts %lld duration %lld us%s %d bytes",
|
||||
aSample,
|
||||
aSample->mTime,
|
||||
aSample->mDuration,
|
||||
aSample->mKeyframe ? " keyframe" : "",
|
||||
aSample->Size());
|
||||
|
||||
mInputIncoming++;
|
||||
|
||||
mTaskQueue->Dispatch(NewRunnableMethod<RefPtr<MediaRawData>>(
|
||||
this, &AppleVTDecoder::ProcessDecode, aSample));
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
AppleVTDecoder::Flush()
|
||||
{
|
||||
MOZ_ASSERT(mCallback->OnReaderTaskQueue());
|
||||
mIsFlushing = true;
|
||||
nsCOMPtr<nsIRunnable> runnable =
|
||||
NewRunnableMethod(this, &AppleVTDecoder::ProcessFlush);
|
||||
SyncRunnable::DispatchToThread(mTaskQueue, runnable);
|
||||
mIsFlushing = false;
|
||||
// All ProcessDecode() tasks should be done.
|
||||
MOZ_ASSERT(mInputIncoming == 0);
|
||||
|
||||
mSeekTargetThreshold.reset();
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
AppleVTDecoder::Drain()
|
||||
{
|
||||
MOZ_ASSERT(mCallback->OnReaderTaskQueue());
|
||||
nsCOMPtr<nsIRunnable> runnable =
|
||||
NewRunnableMethod(this, &AppleVTDecoder::ProcessDrain);
|
||||
mTaskQueue->Dispatch(runnable.forget());
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
AppleVTDecoder::Shutdown()
|
||||
{
|
||||
MOZ_DIAGNOSTIC_ASSERT(!mIsShutDown);
|
||||
mIsShutDown = true;
|
||||
if (mTaskQueue) {
|
||||
nsCOMPtr<nsIRunnable> runnable =
|
||||
NewRunnableMethod(this, &AppleVTDecoder::ProcessShutdown);
|
||||
mTaskQueue->Dispatch(runnable.forget());
|
||||
} else {
|
||||
ProcessShutdown();
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
AppleVTDecoder::ProcessDecode(MediaRawData* aSample)
|
||||
{
|
||||
AssertOnTaskQueueThread();
|
||||
|
||||
mInputIncoming--;
|
||||
|
||||
if (mIsFlushing) {
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
auto rv = DoDecode(aSample);
|
||||
// Ask for more data.
|
||||
if (NS_SUCCEEDED(rv) && !mInputIncoming && mQueuedSamples <= mMaxRefFrames) {
|
||||
LOG("%s task queue empty; requesting more data", GetDescriptionName());
|
||||
mCallback->InputExhausted();
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
void
|
||||
AppleVTDecoder::ProcessShutdown()
|
||||
{
|
||||
|
@ -99,6 +215,40 @@ AppleVTDecoder::ProcessDrain()
|
|||
mCallback->DrainComplete();
|
||||
}
|
||||
|
||||
AppleVTDecoder::AppleFrameRef*
|
||||
AppleVTDecoder::CreateAppleFrameRef(const MediaRawData* aSample)
|
||||
{
|
||||
MOZ_ASSERT(aSample);
|
||||
return new AppleFrameRef(*aSample);
|
||||
}
|
||||
|
||||
void
|
||||
AppleVTDecoder::DrainReorderedFrames()
|
||||
{
|
||||
MonitorAutoLock mon(mMonitor);
|
||||
while (!mReorderQueue.IsEmpty()) {
|
||||
mCallback->Output(mReorderQueue.Pop().get());
|
||||
}
|
||||
mQueuedSamples = 0;
|
||||
}
|
||||
|
||||
void
|
||||
AppleVTDecoder::ClearReorderedFrames()
|
||||
{
|
||||
MonitorAutoLock mon(mMonitor);
|
||||
while (!mReorderQueue.IsEmpty()) {
|
||||
mReorderQueue.Pop();
|
||||
}
|
||||
mQueuedSamples = 0;
|
||||
}
|
||||
|
||||
void
|
||||
AppleVTDecoder::SetSeekThreshold(const media::TimeUnit& aTime)
|
||||
{
|
||||
LOG("SetSeekThreshold %lld", aTime.ToMicroseconds());
|
||||
mSeekTargetThreshold = Some(aTime);
|
||||
}
|
||||
|
||||
//
|
||||
// Implementation details.
|
||||
//
|
||||
|
@ -136,6 +286,157 @@ PlatformCallback(void* decompressionOutputRefCon,
|
|||
decoder->OutputFrame(image, *frameRef);
|
||||
}
|
||||
|
||||
// Copy and return a decoded frame.
|
||||
nsresult
|
||||
AppleVTDecoder::OutputFrame(CVPixelBufferRef aImage,
|
||||
AppleVTDecoder::AppleFrameRef aFrameRef)
|
||||
{
|
||||
if (mIsShutDown || mIsFlushing) {
|
||||
// We are in the process of flushing or shutting down; ignore frame.
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
LOG("mp4 output frame %lld dts %lld pts %lld duration %lld us%s",
|
||||
aFrameRef.byte_offset,
|
||||
aFrameRef.decode_timestamp.ToMicroseconds(),
|
||||
aFrameRef.composition_timestamp.ToMicroseconds(),
|
||||
aFrameRef.duration.ToMicroseconds(),
|
||||
aFrameRef.is_sync_point ? " keyframe" : ""
|
||||
);
|
||||
|
||||
if (mQueuedSamples > mMaxRefFrames) {
|
||||
// We had stopped requesting more input because we had received too much at
|
||||
// the time. We can ask for more once again.
|
||||
mCallback->InputExhausted();
|
||||
}
|
||||
MOZ_ASSERT(mQueuedSamples);
|
||||
mQueuedSamples--;
|
||||
|
||||
if (!aImage) {
|
||||
// Image was dropped by decoder.
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
bool useNullSample = false;
|
||||
if (mSeekTargetThreshold.isSome()) {
|
||||
if ((aFrameRef.composition_timestamp + aFrameRef.duration) < mSeekTargetThreshold.ref()) {
|
||||
useNullSample = true;
|
||||
} else {
|
||||
mSeekTargetThreshold.reset();
|
||||
}
|
||||
}
|
||||
|
||||
// Where our resulting image will end up.
|
||||
RefPtr<MediaData> data;
|
||||
// Bounds.
|
||||
VideoInfo info;
|
||||
info.mDisplay = nsIntSize(mDisplayWidth, mDisplayHeight);
|
||||
gfx::IntRect visible = gfx::IntRect(0,
|
||||
0,
|
||||
mPictureWidth,
|
||||
mPictureHeight);
|
||||
|
||||
if (useNullSample) {
|
||||
data = new NullData(aFrameRef.byte_offset,
|
||||
aFrameRef.composition_timestamp.ToMicroseconds(),
|
||||
aFrameRef.duration.ToMicroseconds());
|
||||
} else if (mUseSoftwareImages) {
|
||||
size_t width = CVPixelBufferGetWidth(aImage);
|
||||
size_t height = CVPixelBufferGetHeight(aImage);
|
||||
DebugOnly<size_t> planes = CVPixelBufferGetPlaneCount(aImage);
|
||||
MOZ_ASSERT(planes == 2, "Likely not NV12 format and it must be.");
|
||||
|
||||
VideoData::YCbCrBuffer buffer;
|
||||
|
||||
// Lock the returned image data.
|
||||
CVReturn rv = CVPixelBufferLockBaseAddress(aImage, kCVPixelBufferLock_ReadOnly);
|
||||
if (rv != kCVReturnSuccess) {
|
||||
NS_ERROR("error locking pixel data");
|
||||
mCallback->Error(MediaDataDecoderError::DECODE_ERROR);
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
// Y plane.
|
||||
buffer.mPlanes[0].mData =
|
||||
static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 0));
|
||||
buffer.mPlanes[0].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 0);
|
||||
buffer.mPlanes[0].mWidth = width;
|
||||
buffer.mPlanes[0].mHeight = height;
|
||||
buffer.mPlanes[0].mOffset = 0;
|
||||
buffer.mPlanes[0].mSkip = 0;
|
||||
// Cb plane.
|
||||
buffer.mPlanes[1].mData =
|
||||
static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 1));
|
||||
buffer.mPlanes[1].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 1);
|
||||
buffer.mPlanes[1].mWidth = (width+1) / 2;
|
||||
buffer.mPlanes[1].mHeight = (height+1) / 2;
|
||||
buffer.mPlanes[1].mOffset = 0;
|
||||
buffer.mPlanes[1].mSkip = 1;
|
||||
// Cr plane.
|
||||
buffer.mPlanes[2].mData =
|
||||
static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 1));
|
||||
buffer.mPlanes[2].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 1);
|
||||
buffer.mPlanes[2].mWidth = (width+1) / 2;
|
||||
buffer.mPlanes[2].mHeight = (height+1) / 2;
|
||||
buffer.mPlanes[2].mOffset = 1;
|
||||
buffer.mPlanes[2].mSkip = 1;
|
||||
|
||||
// Copy the image data into our own format.
|
||||
data =
|
||||
VideoData::Create(info,
|
||||
mImageContainer,
|
||||
nullptr,
|
||||
aFrameRef.byte_offset,
|
||||
aFrameRef.composition_timestamp.ToMicroseconds(),
|
||||
aFrameRef.duration.ToMicroseconds(),
|
||||
buffer,
|
||||
aFrameRef.is_sync_point,
|
||||
aFrameRef.decode_timestamp.ToMicroseconds(),
|
||||
visible);
|
||||
// Unlock the returned image data.
|
||||
CVPixelBufferUnlockBaseAddress(aImage, kCVPixelBufferLock_ReadOnly);
|
||||
} else {
|
||||
#ifndef MOZ_WIDGET_UIKIT
|
||||
IOSurfacePtr surface = MacIOSurfaceLib::CVPixelBufferGetIOSurface(aImage);
|
||||
MOZ_ASSERT(surface, "Decoder didn't return an IOSurface backed buffer");
|
||||
|
||||
RefPtr<MacIOSurface> macSurface = new MacIOSurface(surface);
|
||||
|
||||
RefPtr<layers::Image> image = new MacIOSurfaceImage(macSurface);
|
||||
|
||||
data =
|
||||
VideoData::CreateFromImage(info,
|
||||
mImageContainer,
|
||||
aFrameRef.byte_offset,
|
||||
aFrameRef.composition_timestamp.ToMicroseconds(),
|
||||
aFrameRef.duration.ToMicroseconds(),
|
||||
image.forget(),
|
||||
aFrameRef.is_sync_point,
|
||||
aFrameRef.decode_timestamp.ToMicroseconds(),
|
||||
visible);
|
||||
#else
|
||||
MOZ_ASSERT_UNREACHABLE("No MacIOSurface on iOS");
|
||||
#endif
|
||||
}
|
||||
|
||||
if (!data) {
|
||||
NS_ERROR("Couldn't create VideoData for frame");
|
||||
mCallback->Error(MediaDataDecoderError::FATAL_ERROR);
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
// Frames come out in DTS order but we need to output them
|
||||
// in composition order.
|
||||
MonitorAutoLock mon(mMonitor);
|
||||
mReorderQueue.Push(data);
|
||||
while (mReorderQueue.Length() > mMaxRefFrames) {
|
||||
mCallback->Output(mReorderQueue.Pop().get());
|
||||
}
|
||||
LOG("%llu decoded frames queued",
|
||||
static_cast<unsigned long long>(mReorderQueue.Length()));
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
nsresult
|
||||
AppleVTDecoder::WaitForAsynchronousFrames()
|
||||
{
|
||||
|
@ -339,4 +640,71 @@ AppleVTDecoder::CreateDecoderSpecification()
|
|||
&kCFTypeDictionaryValueCallBacks);
|
||||
}
|
||||
|
||||
CFDictionaryRef
|
||||
AppleVTDecoder::CreateOutputConfiguration()
|
||||
{
|
||||
if (mUseSoftwareImages) {
|
||||
// Output format type:
|
||||
SInt32 PixelFormatTypeValue =
|
||||
kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange;
|
||||
AutoCFRelease<CFNumberRef> PixelFormatTypeNumber =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt32Type,
|
||||
&PixelFormatTypeValue);
|
||||
const void* outputKeys[] = { kCVPixelBufferPixelFormatTypeKey };
|
||||
const void* outputValues[] = { PixelFormatTypeNumber };
|
||||
static_assert(ArrayLength(outputKeys) == ArrayLength(outputValues),
|
||||
"Non matching keys/values array size");
|
||||
|
||||
return CFDictionaryCreate(kCFAllocatorDefault,
|
||||
outputKeys,
|
||||
outputValues,
|
||||
ArrayLength(outputKeys),
|
||||
&kCFTypeDictionaryKeyCallBacks,
|
||||
&kCFTypeDictionaryValueCallBacks);
|
||||
}
|
||||
|
||||
#ifndef MOZ_WIDGET_UIKIT
|
||||
// Output format type:
|
||||
SInt32 PixelFormatTypeValue = kCVPixelFormatType_422YpCbCr8;
|
||||
AutoCFRelease<CFNumberRef> PixelFormatTypeNumber =
|
||||
CFNumberCreate(kCFAllocatorDefault,
|
||||
kCFNumberSInt32Type,
|
||||
&PixelFormatTypeValue);
|
||||
// Construct IOSurface Properties
|
||||
const void* IOSurfaceKeys[] = { MacIOSurfaceLib::kPropIsGlobal };
|
||||
const void* IOSurfaceValues[] = { kCFBooleanTrue };
|
||||
static_assert(ArrayLength(IOSurfaceKeys) == ArrayLength(IOSurfaceValues),
|
||||
"Non matching keys/values array size");
|
||||
|
||||
// Contruct output configuration.
|
||||
AutoCFRelease<CFDictionaryRef> IOSurfaceProperties =
|
||||
CFDictionaryCreate(kCFAllocatorDefault,
|
||||
IOSurfaceKeys,
|
||||
IOSurfaceValues,
|
||||
ArrayLength(IOSurfaceKeys),
|
||||
&kCFTypeDictionaryKeyCallBacks,
|
||||
&kCFTypeDictionaryValueCallBacks);
|
||||
|
||||
const void* outputKeys[] = { kCVPixelBufferIOSurfacePropertiesKey,
|
||||
kCVPixelBufferPixelFormatTypeKey,
|
||||
kCVPixelBufferOpenGLCompatibilityKey };
|
||||
const void* outputValues[] = { IOSurfaceProperties,
|
||||
PixelFormatTypeNumber,
|
||||
kCFBooleanTrue };
|
||||
static_assert(ArrayLength(outputKeys) == ArrayLength(outputValues),
|
||||
"Non matching keys/values array size");
|
||||
|
||||
return CFDictionaryCreate(kCFAllocatorDefault,
|
||||
outputKeys,
|
||||
outputValues,
|
||||
ArrayLength(outputKeys),
|
||||
&kCFTypeDictionaryKeyCallBacks,
|
||||
&kCFTypeDictionaryValueCallBacks);
|
||||
#else
|
||||
MOZ_ASSERT_UNREACHABLE("No MacIOSurface on iOS");
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
} // namespace mozilla
|
||||
|
|
|
@ -7,20 +7,48 @@
|
|||
#ifndef mozilla_AppleVTDecoder_h
|
||||
#define mozilla_AppleVTDecoder_h
|
||||
|
||||
#include "AppleVDADecoder.h"
|
||||
#include "PlatformDecoderModule.h"
|
||||
#include "mozilla/Atomics.h"
|
||||
#include "nsIThread.h"
|
||||
#include "ReorderQueue.h"
|
||||
#include "TimeUnits.h"
|
||||
|
||||
#include "VideoToolbox/VideoToolbox.h"
|
||||
|
||||
namespace mozilla {
|
||||
|
||||
class AppleVTDecoder : public AppleVDADecoder {
|
||||
class AppleVTDecoder : public MediaDataDecoder {
|
||||
public:
|
||||
AppleVTDecoder(const VideoInfo& aConfig,
|
||||
TaskQueue* aTaskQueue,
|
||||
MediaDataDecoderCallback* aCallback,
|
||||
layers::ImageContainer* aImageContainer);
|
||||
|
||||
class AppleFrameRef {
|
||||
public:
|
||||
media::TimeUnit decode_timestamp;
|
||||
media::TimeUnit composition_timestamp;
|
||||
media::TimeUnit duration;
|
||||
int64_t byte_offset;
|
||||
bool is_sync_point;
|
||||
|
||||
explicit AppleFrameRef(const MediaRawData& aSample)
|
||||
: decode_timestamp(media::TimeUnit::FromMicroseconds(aSample.mTimecode))
|
||||
, composition_timestamp(media::TimeUnit::FromMicroseconds(aSample.mTime))
|
||||
, duration(media::TimeUnit::FromMicroseconds(aSample.mDuration))
|
||||
, byte_offset(aSample.mOffset)
|
||||
, is_sync_point(aSample.mKeyframe)
|
||||
{
|
||||
}
|
||||
};
|
||||
|
||||
RefPtr<InitPromise> Init() override;
|
||||
nsresult Input(MediaRawData* aSample) override;
|
||||
nsresult Flush() override;
|
||||
nsresult Drain() override;
|
||||
nsresult Shutdown() override;
|
||||
void SetSeekThreshold(const media::TimeUnit& aTime) override;
|
||||
|
||||
bool IsHardwareAccelerated(nsACString& aFailureReason) const override
|
||||
{
|
||||
return mIsHardwareAccelerated;
|
||||
|
@ -33,22 +61,71 @@ public:
|
|||
: "apple software VT decoder";
|
||||
}
|
||||
|
||||
// Access from the taskqueue and the decoder's thread.
|
||||
// OutputFrame is thread-safe.
|
||||
nsresult OutputFrame(CVPixelBufferRef aImage,
|
||||
AppleFrameRef aFrameRef);
|
||||
|
||||
private:
|
||||
virtual ~AppleVTDecoder();
|
||||
void ProcessFlush() override;
|
||||
void ProcessDrain() override;
|
||||
void ProcessShutdown() override;
|
||||
void ProcessFlush();
|
||||
void ProcessDrain();
|
||||
void ProcessShutdown();
|
||||
nsresult ProcessDecode(MediaRawData* aSample);
|
||||
|
||||
CMVideoFormatDescriptionRef mFormat;
|
||||
VTDecompressionSessionRef mSession;
|
||||
void AssertOnTaskQueueThread()
|
||||
{
|
||||
MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
|
||||
}
|
||||
|
||||
AppleFrameRef* CreateAppleFrameRef(const MediaRawData* aSample);
|
||||
void DrainReorderedFrames();
|
||||
void ClearReorderedFrames();
|
||||
CFDictionaryRef CreateOutputConfiguration();
|
||||
|
||||
const RefPtr<MediaByteBuffer> mExtraData;
|
||||
MediaDataDecoderCallback* mCallback;
|
||||
const uint32_t mPictureWidth;
|
||||
const uint32_t mPictureHeight;
|
||||
const uint32_t mDisplayWidth;
|
||||
const uint32_t mDisplayHeight;
|
||||
|
||||
// Number of times a sample was queued via Input(). Will be decreased upon
|
||||
// the decoder's callback being invoked.
|
||||
// This is used to calculate how many frames has been buffered by the decoder.
|
||||
Atomic<uint32_t> mQueuedSamples;
|
||||
|
||||
// Method to pass a frame to VideoToolbox for decoding.
|
||||
nsresult DoDecode(MediaRawData* aSample) override;
|
||||
// Method to set up the decompression session.
|
||||
nsresult InitializeSession();
|
||||
nsresult WaitForAsynchronousFrames();
|
||||
CFDictionaryRef CreateDecoderSpecification();
|
||||
CFDictionaryRef CreateDecoderExtensions();
|
||||
// Method to pass a frame to VideoToolbox for decoding.
|
||||
nsresult DoDecode(MediaRawData* aSample);
|
||||
|
||||
const RefPtr<TaskQueue> mTaskQueue;
|
||||
const uint32_t mMaxRefFrames;
|
||||
const RefPtr<layers::ImageContainer> mImageContainer;
|
||||
// Increased when Input is called, and decreased when ProcessFrame runs.
|
||||
// Reaching 0 indicates that there's no pending Input.
|
||||
Atomic<uint32_t> mInputIncoming;
|
||||
Atomic<bool> mIsShutDown;
|
||||
const bool mUseSoftwareImages;
|
||||
|
||||
// Set on reader/decode thread calling Flush() to indicate that output is
|
||||
// not required and so input samples on mTaskQueue need not be processed.
|
||||
// Cleared on mTaskQueue in ProcessDrain().
|
||||
Atomic<bool> mIsFlushing;
|
||||
// Protects mReorderQueue.
|
||||
Monitor mMonitor;
|
||||
ReorderQueue mReorderQueue;
|
||||
// Decoded frame will be dropped if its pts is smaller than this
|
||||
// value. It shold be initialized before Input() or after Flush(). So it is
|
||||
// safe to access it in OutputFrame without protecting.
|
||||
Maybe<media::TimeUnit> mSeekTargetThreshold;
|
||||
|
||||
CMVideoFormatDescriptionRef mFormat;
|
||||
VTDecompressionSessionRef mSession;
|
||||
Atomic<bool> mIsHardwareAccelerated;
|
||||
};
|
||||
|
||||
|
|
|
@ -1,63 +0,0 @@
|
|||
/* -*- 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/. */
|
||||
|
||||
// Stub header for VideoDecodeAcceleration framework API.
|
||||
// This is a private Framework on 10.6 see:
|
||||
// https://developer.apple.com/library/mac/technotes/tn2267/_index.html
|
||||
// We include our own copy so we can build on MacOS versions
|
||||
// where it's not available.
|
||||
|
||||
#ifndef mozilla_VideoDecodeAcceleration_VDADecoder_h
|
||||
#define mozilla_VideoDecodeAcceleration_VDADecoder_h
|
||||
|
||||
#include <CoreFoundation/CoreFoundation.h>
|
||||
#include <CoreVideo/CoreVideo.h>
|
||||
|
||||
typedef uint32_t VDADecodeFrameFlags;
|
||||
typedef uint32_t VDADecodeInfoFlags;
|
||||
|
||||
enum {
|
||||
kVDADecodeInfo_Asynchronous = 1UL << 0,
|
||||
kVDADecodeInfo_FrameDropped = 1UL << 1
|
||||
};
|
||||
|
||||
enum {
|
||||
kVDADecoderFlush_EmitFrames = 1 << 0
|
||||
};
|
||||
|
||||
typedef struct OpaqueVDADecoder* VDADecoder;
|
||||
|
||||
typedef void (*VDADecoderOutputCallback)
|
||||
(void* decompressionOutputRefCon,
|
||||
CFDictionaryRef frameInfo,
|
||||
OSStatus status,
|
||||
uint32_t infoFlags,
|
||||
CVImageBufferRef imageBuffer);
|
||||
|
||||
OSStatus
|
||||
VDADecoderCreate(
|
||||
CFDictionaryRef decoderConfiguration,
|
||||
CFDictionaryRef destinationImageBufferAttributes, /* can be NULL */
|
||||
VDADecoderOutputCallback* outputCallback,
|
||||
void* decoderOutputCallbackRefcon,
|
||||
VDADecoder* decoderOut);
|
||||
|
||||
OSStatus
|
||||
VDADecoderDecode(
|
||||
VDADecoder decoder,
|
||||
uint32_t decodeFlags,
|
||||
CFTypeRef compressedBuffer,
|
||||
CFDictionaryRef frameInfo); /* can be NULL */
|
||||
|
||||
OSStatus
|
||||
VDADecoderFlush(
|
||||
VDADecoder decoder,
|
||||
uint32_t flushFlags);
|
||||
|
||||
OSStatus
|
||||
VDADecoderDestroy(VDADecoder decoder);
|
||||
|
||||
#endif // mozilla_VideoDecodeAcceleration_VDADecoder_h
|
|
@ -63,8 +63,6 @@ if CONFIG['MOZ_APPLEMEDIA']:
|
|||
'apple/AppleATDecoder.cpp',
|
||||
'apple/AppleCMLinker.cpp',
|
||||
'apple/AppleDecoderModule.cpp',
|
||||
'apple/AppleVDADecoder.cpp',
|
||||
'apple/AppleVDALinker.cpp',
|
||||
'apple/AppleVTDecoder.cpp',
|
||||
'apple/AppleVTLinker.cpp',
|
||||
]
|
||||
|
|
Загрузка…
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