michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
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: 
michael@0: #ifndef OmxTrackEncoder_h_
michael@0: #define OmxTrackEncoder_h_
michael@0: 
michael@0: #include "TrackEncoder.h"
michael@0: 
michael@0: namespace android {
michael@0: class OMXVideoEncoder;
michael@0: class OMXAudioEncoder;
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * There are two major classes defined in file OmxTrackEncoder;
michael@0:  * OmxVideoTrackEncoder and OmxAudioTrackEncoder, the video and audio track
michael@0:  * encoder for media type AVC/H.264 and AAC. OMXCodecWrapper wraps and controls
michael@0:  * an instance of MediaCodec, defined in libstagefright, runs on Android Jelly
michael@0:  * Bean platform.
michael@0:  */
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: class OmxVideoTrackEncoder: public VideoTrackEncoder
michael@0: {
michael@0: public:
michael@0:   OmxVideoTrackEncoder()
michael@0:     : VideoTrackEncoder()
michael@0:   {}
michael@0: 
michael@0:   already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;
michael@0: 
michael@0:   nsresult GetEncodedTrack(EncodedFrameContainer& aData) MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   nsresult Init(int aWidth, int aHeight,
michael@0:                 int aDisplayWidth, int aDisplayHeight,
michael@0:                 TrackRate aTrackRate) MOZ_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:   nsAutoPtr<android::OMXVideoEncoder> mEncoder;
michael@0: };
michael@0: 
michael@0: class OmxAudioTrackEncoder : public AudioTrackEncoder
michael@0: {
michael@0: public:
michael@0:   OmxAudioTrackEncoder()
michael@0:     : AudioTrackEncoder()
michael@0:   {}
michael@0: 
michael@0:   already_AddRefed<TrackMetadataBase> GetMetadata() = 0;
michael@0: 
michael@0:   nsresult GetEncodedTrack(EncodedFrameContainer& aData) MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   nsresult Init(int aChannels, int aSamplingRate) = 0;
michael@0: 
michael@0:   // Append encoded frames to aContainer.
michael@0:   nsresult AppendEncodedFrames(EncodedFrameContainer& aContainer);
michael@0: 
michael@0:   nsAutoPtr<android::OMXAudioEncoder> mEncoder;
michael@0: };
michael@0: 
michael@0: class OmxAACAudioTrackEncoder MOZ_FINAL : public OmxAudioTrackEncoder
michael@0: {
michael@0: public:
michael@0:   OmxAACAudioTrackEncoder()
michael@0:     : OmxAudioTrackEncoder()
michael@0:   {}
michael@0: 
michael@0:   already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   nsresult Init(int aChannels, int aSamplingRate) MOZ_OVERRIDE;
michael@0: };
michael@0: 
michael@0: class OmxAMRAudioTrackEncoder MOZ_FINAL : public OmxAudioTrackEncoder
michael@0: {
michael@0: public:
michael@0:   OmxAMRAudioTrackEncoder()
michael@0:     : OmxAudioTrackEncoder()
michael@0:   {}
michael@0: 
michael@0:   enum {
michael@0:     AMR_NB_SAMPLERATE = 8000,
michael@0:   };
michael@0:   already_AddRefed<TrackMetadataBase> GetMetadata() MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   nsresult Init(int aChannels, int aSamplingRate) MOZ_OVERRIDE;
michael@0: };
michael@0: 
michael@0: }
michael@0: #endif