1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/webrtc/AudioOutputObserver.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,55 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef AUDIOOUTPUTOBSERVER_H_
1.9 +#define AUDIOOUTPUTOBSERVER_H_
1.10 +
1.11 +#include "mozilla/StaticPtr.h"
1.12 +
1.13 +namespace webrtc {
1.14 +class SingleRwFifo;
1.15 +}
1.16 +
1.17 +namespace mozilla {
1.18 +
1.19 +typedef struct FarEndAudioChunk_ {
1.20 + uint16_t mSamples;
1.21 + bool mOverrun;
1.22 + int16_t mData[1]; // variable-length
1.23 +} FarEndAudioChunk;
1.24 +
1.25 +// XXX Really a singleton currently
1.26 +class AudioOutputObserver // : public MSGOutputObserver
1.27 +{
1.28 +public:
1.29 + AudioOutputObserver();
1.30 + virtual ~AudioOutputObserver();
1.31 +
1.32 + void Clear();
1.33 + void InsertFarEnd(const AudioDataValue *aBuffer, uint32_t aSamples, bool aOverran,
1.34 + int aFreq, int aChannels, AudioSampleFormat aFormat);
1.35 + uint32_t PlayoutFrequency() { return mPlayoutFreq; }
1.36 + uint32_t PlayoutChannels() { return mPlayoutChannels; }
1.37 +
1.38 + FarEndAudioChunk *Pop();
1.39 + uint32_t Size();
1.40 +
1.41 +private:
1.42 + uint32_t mPlayoutFreq;
1.43 + uint32_t mPlayoutChannels;
1.44 +
1.45 + nsAutoPtr<webrtc::SingleRwFifo> mPlayoutFifo;
1.46 + uint32_t mChunkSize;
1.47 +
1.48 + // chunking to 10ms support
1.49 + nsAutoPtr<FarEndAudioChunk> mSaved;
1.50 + uint32_t mSamplesSaved;
1.51 +};
1.52 +
1.53 +// XXX until there's a registration API in MSG
1.54 +extern StaticAutoPtr<AudioOutputObserver> gFarendObserver;
1.55 +
1.56 +}
1.57 +
1.58 +#endif
