diff options
Diffstat (limited to 'services/audioflinger/Tracks.cpp')
| -rw-r--r-- | services/audioflinger/Tracks.cpp | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp index 1064fd1..5889567 100644 --- a/services/audioflinger/Tracks.cpp +++ b/services/audioflinger/Tracks.cpp @@ -69,7 +69,8 @@ AudioFlinger::ThreadBase::TrackBase::TrackBase( const sp<IMemory>& sharedBuffer, int sessionId, int clientUid, - bool isOut) + bool isOut, + bool useReadOnlyHeap) : RefBase(), mThread(thread), mClient(client), @@ -110,7 +111,7 @@ AudioFlinger::ThreadBase::TrackBase::TrackBase( // ALOGD("Creating track with %d buffers @ %d bytes", bufferCount, bufferSize); size_t size = sizeof(audio_track_cblk_t); size_t bufferSize = (sharedBuffer == 0 ? roundup(frameCount) : frameCount) * mFrameSize; - if (sharedBuffer == 0) { + if (sharedBuffer == 0 && !useReadOnlyHeap) { size += bufferSize; } @@ -132,15 +133,31 @@ AudioFlinger::ThreadBase::TrackBase::TrackBase( // construct the shared structure in-place. if (mCblk != NULL) { new(mCblk) audio_track_cblk_t(); - // clear all buffers - if (sharedBuffer == 0) { - mBuffer = (char*)mCblk + sizeof(audio_track_cblk_t); + if (useReadOnlyHeap) { + const sp<MemoryDealer> roHeap(thread->readOnlyHeap()); + if (roHeap == 0 || + (mBufferMemory = roHeap->allocate(bufferSize)) == 0 || + (mBuffer = mBufferMemory->pointer()) == NULL) { + ALOGE("not enough memory for read-only buffer size=%zu", bufferSize); + if (roHeap != 0) { + roHeap->dump("buffer"); + } + mCblkMemory.clear(); + mBufferMemory.clear(); + return; + } memset(mBuffer, 0, bufferSize); } else { - mBuffer = sharedBuffer->pointer(); + // clear all buffers + if (sharedBuffer == 0) { + mBuffer = (char*)mCblk + sizeof(audio_track_cblk_t); + memset(mBuffer, 0, bufferSize); + } else { + mBuffer = sharedBuffer->pointer(); #if 0 - mCblk->mFlags = CBLK_FORCEREADY; // FIXME hack, need to fix the track ready logic + mCblk->mFlags = CBLK_FORCEREADY; // FIXME hack, need to fix the track ready logic #endif + } } #ifdef TEE_SINK @@ -1819,9 +1836,11 @@ AudioFlinger::RecordThread::RecordTrack::RecordTrack( audio_channel_mask_t channelMask, size_t frameCount, int sessionId, - int uid) + int uid, + bool isFast) : TrackBase(thread, client, sampleRate, format, - channelMask, frameCount, 0 /*sharedBuffer*/, sessionId, uid, false /*isOut*/), + channelMask, frameCount, 0 /*sharedBuffer*/, sessionId, uid, false /*isOut*/, + isFast /*useReadOnlyHeap*/), mOverflow(false), mResampler(NULL), mRsmpOutBuffer(NULL), mRsmpOutFrameCount(0), // See real initialization of mRsmpInFront at RecordThread::start() mRsmpInUnrel(0), mRsmpInFront(0), mFramesToDrop(0), mResamplerBufferProvider(NULL) |