зеркало из https://github.com/mozilla/gecko-dev.git
61 строка
1.7 KiB
C++
61 строка
1.7 KiB
C++
/* -*- 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/. */
|
|
#if !defined(AOMDecoder_h_)
|
|
#define AOMDecoder_h_
|
|
|
|
#include "PlatformDecoderModule.h"
|
|
#include "mozilla/Span.h"
|
|
|
|
#include <stdint.h>
|
|
#include "aom/aom_decoder.h"
|
|
|
|
namespace mozilla {
|
|
|
|
class AOMDecoder : public MediaDataDecoder
|
|
{
|
|
public:
|
|
explicit AOMDecoder(const CreateDecoderParams& aParams);
|
|
|
|
RefPtr<InitPromise> Init() override;
|
|
RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
|
|
RefPtr<DecodePromise> Drain() override;
|
|
RefPtr<FlushPromise> Flush() override;
|
|
RefPtr<ShutdownPromise> Shutdown() override;
|
|
const char* GetDescriptionName() const override
|
|
{
|
|
return "libaom (AV1) video decoder";
|
|
}
|
|
|
|
// Return true if aMimeType is a one of the strings used
|
|
// by our demuxers to identify AV1 streams.
|
|
static bool IsAV1(const nsACString& aMimeType);
|
|
|
|
// Return true if aCodecType is a supported codec description.
|
|
static bool IsSupportedCodec(const nsAString& aCodecType);
|
|
|
|
// Return true if a sample is a keyframe.
|
|
static bool IsKeyframe(Span<const uint8_t> aBuffer);
|
|
|
|
// Return the frame dimensions for a sample.
|
|
static nsIntSize GetFrameSize(Span<const uint8_t> aBuffer);
|
|
|
|
private:
|
|
~AOMDecoder();
|
|
RefPtr<DecodePromise> ProcessDecode(MediaRawData* aSample);
|
|
|
|
const RefPtr<layers::ImageContainer> mImageContainer;
|
|
const RefPtr<TaskQueue> mTaskQueue;
|
|
|
|
// AOM decoder state
|
|
aom_codec_ctx_t mCodec;
|
|
|
|
const VideoInfo& mInfo;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // AOMDecoder_h_
|