1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/omx/MediaOmxReader.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,112 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim:set ts=2 sw=2 sts=2 et cindent: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +#if !defined(MediaOmxReader_h_)
1.10 +#define MediaOmxReader_h_
1.11 +
1.12 +#include "MediaResource.h"
1.13 +#include "MediaDecoderReader.h"
1.14 +#include "nsRect.h"
1.15 +#include "mozilla/dom/AudioChannelBinding.h"
1.16 +#include <ui/GraphicBuffer.h>
1.17 +#include <stagefright/MediaSource.h>
1.18 +
1.19 +namespace android {
1.20 +class OmxDecoder;
1.21 +class MediaExtractor;
1.22 +}
1.23 +
1.24 +namespace mozilla {
1.25 +
1.26 +namespace dom {
1.27 + class TimeRanges;
1.28 +}
1.29 +
1.30 +class AbstractMediaDecoder;
1.31 +
1.32 +class MediaOmxReader : public MediaDecoderReader
1.33 +{
1.34 + nsCString mType;
1.35 + bool mHasVideo;
1.36 + bool mHasAudio;
1.37 + nsIntRect mPicture;
1.38 + nsIntSize mInitialFrame;
1.39 + int64_t mVideoSeekTimeUs;
1.40 + int64_t mAudioSeekTimeUs;
1.41 + int32_t mSkipCount;
1.42 + dom::AudioChannel mAudioChannel;
1.43 + android::sp<android::MediaSource> mAudioOffloadTrack;
1.44 +
1.45 +protected:
1.46 + android::sp<android::OmxDecoder> mOmxDecoder;
1.47 + android::sp<android::MediaExtractor> mExtractor;
1.48 +
1.49 + // Called by ReadMetadata() during MediaDecoderStateMachine::DecodeMetadata()
1.50 + // on decode thread. It create and initialize the OMX decoder including
1.51 + // setting up custom extractor. The extractor provide the essential
1.52 + // information used for creating OMX decoder such as video/audio codec.
1.53 + virtual nsresult InitOmxDecoder();
1.54 +
1.55 +public:
1.56 + MediaOmxReader(AbstractMediaDecoder* aDecoder);
1.57 + ~MediaOmxReader();
1.58 +
1.59 + virtual nsresult Init(MediaDecoderReader* aCloneDonor);
1.60 +
1.61 + virtual void NotifyDataArrived(const char* aBuffer, uint32_t aLength, int64_t aOffset);
1.62 +
1.63 + virtual bool DecodeAudioData();
1.64 + virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
1.65 + int64_t aTimeThreshold);
1.66 +
1.67 + virtual bool HasAudio()
1.68 + {
1.69 + return mHasAudio;
1.70 + }
1.71 +
1.72 + virtual bool HasVideo()
1.73 + {
1.74 + return mHasVideo;
1.75 + }
1.76 +
1.77 + virtual bool IsWaitingMediaResources();
1.78 +
1.79 + virtual bool IsDormantNeeded();
1.80 + virtual void ReleaseMediaResources();
1.81 +
1.82 + virtual void ReleaseDecoder() MOZ_OVERRIDE;
1.83 +
1.84 + virtual nsresult ReadMetadata(MediaInfo* aInfo,
1.85 + MetadataTags** aTags);
1.86 + virtual nsresult Seek(int64_t aTime, int64_t aStartTime, int64_t aEndTime, int64_t aCurrentTime);
1.87 +
1.88 + virtual void SetIdle() MOZ_OVERRIDE;
1.89 + virtual void SetActive() MOZ_OVERRIDE;
1.90 +
1.91 + void SetAudioChannel(dom::AudioChannel aAudioChannel) {
1.92 + mAudioChannel = aAudioChannel;
1.93 + }
1.94 +
1.95 + android::sp<android::MediaSource> GetAudioOffloadTrack() {
1.96 + return mAudioOffloadTrack;
1.97 + }
1.98 +
1.99 +#ifdef MOZ_AUDIO_OFFLOAD
1.100 + // Check whether it is possible to offload current audio track. This access
1.101 + // canOffloadStream() from libStageFright Utils.cpp, which is not there in
1.102 + // ANDROID_VERSION < 19
1.103 + void CheckAudioOffload();
1.104 +#endif
1.105 +
1.106 +private:
1.107 + // This flag is true when SetActive() has been called without a matching
1.108 + // SetIdle(). This is used to sanity check the SetIdle/SetActive calls, to
1.109 + // ensure SetActive has been called before a decode call.
1.110 + DebugOnly<bool> mIsActive;
1.111 +};
1.112 +
1.113 +} // namespace mozilla
1.114 +
1.115 +#endif
