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/* -*- 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;
void Input(MediaRawData* aSample) override;
void Flush() override;
void Drain() override;
void 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 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();
void ProcessDecode(MediaRawData* aSample);
MediaResult DoDecode(MediaRawData* aSample);
void ProcessDrain();
const RefPtr<layers::ImageContainer> mImageContainer;
const RefPtr<TaskQueue> mTaskQueue;
MediaDataDecoderCallback* mCallback;
Atomic<bool> mIsFlushing;
// AOM decoder state
aom_codec_ctx_t mCodec;
const VideoInfo& mInfo;
};
} // namespace mozilla
#endif // AOMDecoder_h_
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