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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/. */
#ifndef __FFmpegDataDecoder_h__
#define __FFmpegDataDecoder_h__
#include "PlatformDecoderModule.h"
#include "FFmpegLibWrapper.h"
#include "mozilla/StaticMutex.h"
#include "FFmpegLibs.h"
namespace mozilla
{
template <int V>
class FFmpegDataDecoder : public MediaDataDecoder
{
};
template <>
class FFmpegDataDecoder<LIBAV_VER> : public MediaDataDecoder
{
public:
FFmpegDataDecoder(FFmpegLibWrapper* aLib, TaskQueue* aTaskQueue,
MediaDataDecoderCallback* aCallback,
AVCodecID aCodecID);
virtual ~FFmpegDataDecoder();
static bool Link();
RefPtr<InitPromise> Init() override = 0;
void Input(MediaRawData* aSample) override;
void Flush() override;
void Drain() override;
void Shutdown() override;
static AVCodec* FindAVCodec(FFmpegLibWrapper* aLib, AVCodecID aCodec);
protected:
// Flush and Drain operation, always run
virtual void ProcessFlush();
virtual void ProcessShutdown();
virtual void InitCodecContext() {}
AVFrame* PrepareFrame();
nsresult InitDecoder();
FFmpegLibWrapper* mLib;
MediaDataDecoderCallback* mCallback;
AVCodecContext* mCodecContext;
AVFrame* mFrame;
RefPtr<MediaByteBuffer> mExtraData;
AVCodecID mCodecID;
private:
void ProcessDecode(MediaRawData* aSample);
virtual MediaResult DoDecode(MediaRawData* aSample) = 0;
virtual void ProcessDrain() = 0;
static StaticMutex sMonitor;
const RefPtr<TaskQueue> mTaskQueue;
// Set/cleared on reader thread calling Flush() to indicate that output is
// not required and so input samples on mTaskQueue need not be processed.
Atomic<bool> mIsFlushing;
};
} // namespace mozilla
#endif // __FFmpegDataDecoder_h__
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