diff options
Diffstat (limited to 'media/libmedia/AudioTrack.cpp')
-rw-r--r-- | media/libmedia/AudioTrack.cpp | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp index 26cf877..4a4759e 100644 --- a/media/libmedia/AudioTrack.cpp +++ b/media/libmedia/AudioTrack.cpp @@ -286,6 +286,15 @@ status_t AudioTrack::set( mFormat = format; mChannelMask = channelMask; mChannelCount = channelCount; + + if (audio_is_linear_pcm(format)) { + mFrameSize = channelCount * audio_bytes_per_sample(format); + mFrameSizeAF = channelCount * sizeof(int16_t); + } else { + mFrameSize = sizeof(uint8_t); + mFrameSizeAF = sizeof(uint8_t); + } + mSharedBuffer = sharedBuffer; mMuted = false; mActive = false; @@ -332,15 +341,6 @@ uint32_t AudioTrack::frameCount() const return mCblk->frameCount; } -size_t AudioTrack::frameSize() const -{ - if (audio_is_linear_pcm(mFormat)) { - return channelCount()*audio_bytes_per_sample(mFormat); - } else { - return sizeof(uint8_t); - } -} - sp<IMemory>& AudioTrack::sharedBuffer() { return mSharedBuffer; @@ -1026,8 +1026,8 @@ create_new_track: } audioBuffer->frameCount = framesReq; - audioBuffer->size = framesReq * cblk->frameSize; - audioBuffer->raw = cblk->buffer(mBuffers, u); + audioBuffer->size = framesReq * mFrameSizeAF; + audioBuffer->raw = cblk->buffer(mBuffers, mFrameSizeAF, u); active = mActive; return active ? status_t(NO_ERROR) : status_t(STOPPED); } @@ -1302,7 +1302,7 @@ bool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) // NOTE: cblk->frameSize is not equal to AudioTrack::frameSize() for // 8 bit PCM data: in this case, cblk->frameSize is based on a sample size of // 16 bit. - audioBuffer.frameCount = writtenSize/cblk->frameSize; + audioBuffer.frameCount = writtenSize / mFrameSizeAF; frames -= audioBuffer.frameCount; @@ -1373,7 +1373,7 @@ status_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& refCblk, bool fromStart if (user > server) { frames = ((user - server) > newCblk->frameCount) ? newCblk->frameCount : (user - server); - memset(mBuffers, 0, frames * newCblk->frameSize); + memset(mBuffers, 0, frames * mFrameSizeAF); } // restart playback even if buffer is not completely filled. android_atomic_or(CBLK_FORCEREADY, &newCblk->flags); @@ -1588,7 +1588,7 @@ bool audio_track_cblk_t::stepServer(uint32_t frameCount, bool isOut) return true; } -void* audio_track_cblk_t::buffer(void *buffers, uint32_t offset) const +void* audio_track_cblk_t::buffer(void *buffers, size_t frameSize, uint32_t offset) const { return (int8_t *)buffers + (offset - userBase) * frameSize; } |