diff options
Diffstat (limited to 'media/libmedia')
-rw-r--r-- | media/libmedia/AudioRecord.cpp | 5 | ||||
-rw-r--r-- | media/libmedia/AudioTrack.cpp | 30 |
2 files changed, 26 insertions, 9 deletions
diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp index a18bedb..cee1c75 100644 --- a/media/libmedia/AudioRecord.cpp +++ b/media/libmedia/AudioRecord.cpp @@ -722,9 +722,12 @@ bool AudioRecord::processAudioBuffer(const sp<ClientRecordThread>& thread) // Manage overrun callback if (mActive && (cblk->framesAvailable() == 0)) { LOGV("Overrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); + AutoMutex _l(cblk->lock); if ((cblk->flags & CBLK_UNDERRUN_MSK) == CBLK_UNDERRUN_OFF) { - mCbf(EVENT_OVERRUN, mUserData, 0); cblk->flags |= CBLK_UNDERRUN_ON; + cblk->lock.unlock(); + mCbf(EVENT_OVERRUN, mUserData, 0); + cblk->lock.lock(); } } diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp index 8d8f67b..02e1570 100644 --- a/media/libmedia/AudioTrack.cpp +++ b/media/libmedia/AudioTrack.cpp @@ -329,6 +329,7 @@ void AudioTrack::start() if (mActive == 0) { mActive = 1; mNewPosition = cblk->server + mUpdatePeriod; + cblk->lock.lock(); cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; cblk->waitTimeMs = 0; cblk->flags &= ~CBLK_DISABLED_ON; @@ -339,7 +340,6 @@ void AudioTrack::start() } LOGV("start %p before lock cblk %p", this, mCblk); - cblk->lock.lock(); if (!(cblk->flags & CBLK_INVALID_MSK)) { cblk->lock.unlock(); status = mAudioTrack->start(); @@ -893,9 +893,14 @@ create_new_track: // restart track if it was disabled by audioflinger due to previous underrun if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) { - cblk->flags &= ~CBLK_DISABLED_ON; - LOGW("obtainBuffer() track %p disabled, restarting", this); - mAudioTrack->start(); + AutoMutex _l(cblk->lock); + if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) { + cblk->flags &= ~CBLK_DISABLED_ON; + cblk->lock.unlock(); + LOGW("obtainBuffer() track %p disabled, restarting", this); + mAudioTrack->start(); + cblk->lock.lock(); + } } cblk->waitTimeMs = 0; @@ -957,9 +962,10 @@ ssize_t AudioTrack::write(const void* buffer, size_t userSize) ssize_t written = 0; const int8_t *src = (const int8_t *)buffer; Buffer audioBuffer; + size_t frameSz = (size_t)frameSize(); do { - audioBuffer.frameCount = userSize/frameSize(); + audioBuffer.frameCount = userSize/frameSz; // Calling obtainBuffer() with a negative wait count causes // an (almost) infinite wait time. @@ -991,7 +997,7 @@ ssize_t AudioTrack::write(const void* buffer, size_t userSize) written += toWrite; releaseBuffer(&audioBuffer); - } while (userSize); + } while (userSize >= frameSz); return written; } @@ -1015,12 +1021,15 @@ bool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) // Manage underrun callback if (mActive && (cblk->framesReady() == 0)) { LOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); + AutoMutex _l(cblk->lock); if ((cblk->flags & CBLK_UNDERRUN_MSK) == CBLK_UNDERRUN_OFF) { + cblk->flags |= CBLK_UNDERRUN_ON; + cblk->lock.unlock(); mCbf(EVENT_UNDERRUN, mUserData, 0); if (cblk->server == cblk->frameCount) { mCbf(EVENT_BUFFER_END, mUserData, 0); } - cblk->flags |= CBLK_UNDERRUN_ON; + cblk->lock.lock(); if (mSharedBuffer != 0) return false; } } @@ -1279,7 +1288,12 @@ uint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) this->user = u; // Clear flow control error condition as new data has been written/read to/from buffer. - flags &= ~CBLK_UNDERRUN_MSK; + if (flags & CBLK_UNDERRUN_MSK) { + AutoMutex _l(lock); + if (flags & CBLK_UNDERRUN_MSK) { + flags &= ~CBLK_UNDERRUN_MSK; + } + } return u; } |