michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #if !defined(MediaOmxReader_h_)
michael@0: #define MediaOmxReader_h_
michael@0: 
michael@0: #include "MediaResource.h"
michael@0: #include "MediaDecoderReader.h"
michael@0: #include "nsRect.h"
michael@0: #include "mozilla/dom/AudioChannelBinding.h"
michael@0: #include <ui/GraphicBuffer.h>
michael@0: #include <stagefright/MediaSource.h>
michael@0: 
michael@0: namespace android {
michael@0: class OmxDecoder;
michael@0: class MediaExtractor;
michael@0: }
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: namespace dom {
michael@0:   class TimeRanges;
michael@0: }
michael@0: 
michael@0: class AbstractMediaDecoder;
michael@0: 
michael@0: class MediaOmxReader : public MediaDecoderReader
michael@0: {
michael@0:   nsCString mType;
michael@0:   bool mHasVideo;
michael@0:   bool mHasAudio;
michael@0:   nsIntRect mPicture;
michael@0:   nsIntSize mInitialFrame;
michael@0:   int64_t mVideoSeekTimeUs;
michael@0:   int64_t mAudioSeekTimeUs;
michael@0:   int32_t mSkipCount;
michael@0:   dom::AudioChannel mAudioChannel;
michael@0:   android::sp<android::MediaSource> mAudioOffloadTrack;
michael@0: 
michael@0: protected:
michael@0:   android::sp<android::OmxDecoder> mOmxDecoder;
michael@0:   android::sp<android::MediaExtractor> mExtractor;
michael@0: 
michael@0:   // Called by ReadMetadata() during MediaDecoderStateMachine::DecodeMetadata()
michael@0:   // on decode thread. It create and initialize the OMX decoder including
michael@0:   // setting up custom extractor. The extractor provide the essential
michael@0:   // information used for creating OMX decoder such as video/audio codec.
michael@0:   virtual nsresult InitOmxDecoder();
michael@0: 
michael@0: public:
michael@0:   MediaOmxReader(AbstractMediaDecoder* aDecoder);
michael@0:   ~MediaOmxReader();
michael@0: 
michael@0:   virtual nsresult Init(MediaDecoderReader* aCloneDonor);
michael@0: 
michael@0:   virtual void NotifyDataArrived(const char* aBuffer, uint32_t aLength, int64_t aOffset);
michael@0: 
michael@0:   virtual bool DecodeAudioData();
michael@0:   virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
michael@0:                                 int64_t aTimeThreshold);
michael@0: 
michael@0:   virtual bool HasAudio()
michael@0:   {
michael@0:     return mHasAudio;
michael@0:   }
michael@0: 
michael@0:   virtual bool HasVideo()
michael@0:   {
michael@0:     return mHasVideo;
michael@0:   }
michael@0: 
michael@0:   virtual bool IsWaitingMediaResources();
michael@0: 
michael@0:   virtual bool IsDormantNeeded();
michael@0:   virtual void ReleaseMediaResources();
michael@0: 
michael@0:   virtual void ReleaseDecoder() MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult ReadMetadata(MediaInfo* aInfo,
michael@0:                                 MetadataTags** aTags);
michael@0:   virtual nsresult Seek(int64_t aTime, int64_t aStartTime, int64_t aEndTime, int64_t aCurrentTime);
michael@0: 
michael@0:   virtual void SetIdle() MOZ_OVERRIDE;
michael@0:   virtual void SetActive() MOZ_OVERRIDE;
michael@0: 
michael@0:   void SetAudioChannel(dom::AudioChannel aAudioChannel) {
michael@0:     mAudioChannel = aAudioChannel;
michael@0:   }
michael@0: 
michael@0:   android::sp<android::MediaSource> GetAudioOffloadTrack() {
michael@0:     return mAudioOffloadTrack;
michael@0:   }
michael@0: 
michael@0: #ifdef MOZ_AUDIO_OFFLOAD
michael@0:   // Check whether it is possible to offload current audio track. This access
michael@0:   // canOffloadStream() from libStageFright Utils.cpp, which is not there in
michael@0:   // ANDROID_VERSION < 19
michael@0:   void CheckAudioOffload();
michael@0: #endif
michael@0: 
michael@0: private:
michael@0:   // This flag is true when SetActive() has been called without a matching
michael@0:   // SetIdle(). This is used to sanity check the SetIdle/SetActive calls, to
michael@0:   // ensure SetActive has been called before a decode call.
michael@0:   DebugOnly<bool> mIsActive;
michael@0: };
michael@0: 
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif