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e147a460d9
MozReview-Commit-ID: 4bNxLhYKqVG --HG-- extra : rebase_source : fb444f2b51fc6f23d0a4c76db337fd7324c6cc1c
78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/* -*- 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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#ifndef __FFmpegDataDecoder_h__
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#define __FFmpegDataDecoder_h__
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#include "PlatformDecoderModule.h"
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#include "FFmpegLibWrapper.h"
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#include "mozilla/StaticMutex.h"
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#include "FFmpegLibs.h"
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namespace mozilla {
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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(FFmpegLibWrapper* aLib, TaskQueue* aTaskQueue,
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AVCodecID aCodecID);
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virtual ~FFmpegDataDecoder();
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static bool Link();
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RefPtr<InitPromise> Init() override = 0;
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RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
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RefPtr<DecodePromise> Drain() override;
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RefPtr<FlushPromise> Flush() override;
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RefPtr<ShutdownPromise> Shutdown() override;
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static AVCodec* FindAVCodec(FFmpegLibWrapper* aLib, AVCodecID aCodec);
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protected:
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// Flush and Drain operation, always run
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virtual RefPtr<FlushPromise> ProcessFlush();
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virtual void ProcessShutdown();
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virtual void InitCodecContext() { }
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AVFrame* PrepareFrame();
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MediaResult InitDecoder();
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MediaResult DoDecode(MediaRawData* aSample,
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bool* aGotFrame,
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DecodedData& aOutResults);
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FFmpegLibWrapper* mLib;
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AVCodecContext* mCodecContext;
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AVCodecParserContext* mCodecParser;
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AVFrame* mFrame;
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RefPtr<MediaByteBuffer> mExtraData;
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AVCodecID mCodecID;
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private:
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RefPtr<DecodePromise> ProcessDecode(MediaRawData* aSample);
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virtual RefPtr<DecodePromise> ProcessDrain() = 0;
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virtual MediaResult DoDecode(MediaRawData* aSample,
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uint8_t* aData,
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int aSize,
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bool* aGotFrame,
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MediaDataDecoder::DecodedData& aOutResults) = 0;
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virtual bool NeedParser() const { return false; }
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virtual int ParserFlags() const { return PARSER_FLAG_COMPLETE_FRAMES; }
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static StaticMutex sMonitor;
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const RefPtr<TaskQueue> mTaskQueue;
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MozPromiseHolder<DecodePromise> mPromise;
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};
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} // namespace mozilla
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#endif // __FFmpegDataDecoder_h__
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