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131 lines
3.8 KiB
C++
131 lines
3.8 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(MediaOmxReader_h_)
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#define MediaOmxReader_h_
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#include "MediaOmxCommonReader.h"
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#include "MediaResource.h"
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#include "MediaDecoderReader.h"
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#include "nsMimeTypes.h"
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#include "MP3FrameParser.h"
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#include "nsRect.h"
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#include <ui/GraphicBuffer.h>
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#include <stagefright/MediaSource.h>
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namespace android {
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class OmxDecoder;
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class MOZ_EXPORT MediaExtractor;
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}
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namespace mozilla {
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class AbstractMediaDecoder;
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class MediaOmxReader : public MediaOmxCommonReader
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{
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// This mutex is held when accessing the mIsShutdown variable, which is
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// modified on the decode task queue and read on main and IO threads.
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Mutex mShutdownMutex;
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nsCString mType;
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bool mHasVideo;
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bool mHasAudio;
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nsIntRect mPicture;
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nsIntSize mInitialFrame;
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int64_t mVideoSeekTimeUs;
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int64_t mAudioSeekTimeUs;
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int64_t mLastParserDuration;
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int32_t mSkipCount;
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// If mIsShutdown is false, and mShutdownMutex is held, then
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// AbstractMediaDecoder::mDecoder will be non-null.
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bool mIsShutdown;
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protected:
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android::sp<android::OmxDecoder> mOmxDecoder;
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android::sp<android::MediaExtractor> mExtractor;
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MP3FrameParser mMP3FrameParser;
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// A cache value updated by UpdateIsWaitingMediaResources(), makes the
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// "waiting resources state" is synchronous to StateMachine.
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bool mIsWaitingResources;
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// Called by ReadMetadata() during MediaDecoderStateMachine::DecodeMetadata()
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// on decode thread. It create and initialize the OMX decoder including
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// setting up custom extractor. The extractor provide the essential
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// information used for creating OMX decoder such as video/audio codec.
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virtual nsresult InitOmxDecoder();
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// Called inside DecodeVideoFrame, DecodeAudioData, ReadMetadata and Seek
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// to activate the decoder automatically.
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virtual void EnsureActive();
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// Check the underlying HW resources are available and store the result in
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// mIsWaitingResources. The result might be changed by binder thread,
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// Can only called by ReadMetadata.
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void UpdateIsWaitingMediaResources();
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public:
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MediaOmxReader(AbstractMediaDecoder* aDecoder);
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~MediaOmxReader();
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virtual nsresult Init(MediaDecoderReader* aCloneDonor);
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virtual void NotifyDataArrived(const char* aBuffer, uint32_t aLength, int64_t aOffset);
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virtual bool DecodeAudioData();
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virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
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int64_t aTimeThreshold);
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virtual bool HasAudio()
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{
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return mHasAudio;
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}
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virtual bool HasVideo()
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{
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return mHasVideo;
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}
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// Return mIsWaitingResources.
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virtual bool IsWaitingMediaResources() override;
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virtual bool IsDormantNeeded() { return true;}
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virtual void ReleaseMediaResources();
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virtual void PreReadMetadata() override;
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virtual nsresult ReadMetadata(MediaInfo* aInfo,
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MetadataTags** aTags);
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virtual nsRefPtr<SeekPromise>
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Seek(int64_t aTime, int64_t aEndTime) override;
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virtual bool IsMediaSeekable() override;
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virtual void SetIdle() override;
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virtual nsRefPtr<ShutdownPromise> Shutdown() override;
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android::sp<android::MediaSource> GetAudioOffloadTrack();
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// This method is intended only for private use but public only for
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// MediaPromise::InvokeCallbackMethod().
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void ReleaseDecoder();
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private:
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class ProcessCachedDataTask;
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class NotifyDataArrivedRunnable;
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bool IsShutdown() {
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MutexAutoLock lock(mShutdownMutex);
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return mIsShutdown;
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}
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int64_t ProcessCachedData(int64_t aOffset, bool aWaitForCompletion);
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already_AddRefed<AbstractMediaDecoder> SafeGetDecoder();
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};
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} // namespace mozilla
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#endif
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