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| author | Steve Kondik <steve@cyngn.com> | 2015-11-26 05:31:01 -0800 |
|---|---|---|
| committer | Steve Kondik <shade@chemlab.org> | 2015-11-27 05:47:04 -0800 |
| commit | 3f54b2b7dcdfec8870565588b5e63e93dc5b363d (patch) | |
| tree | 756b0691ef46d13b6e08657392a5828778ac6423 /services/audioflinger | |
| parent | 5183735fba449d7a4e305384d78a6c21d406b3bf (diff) | |
| download | frameworks_av-3f54b2b7dcdfec8870565588b5e63e93dc5b363d.zip frameworks_av-3f54b2b7dcdfec8870565588b5e63e93dc5b363d.tar.gz frameworks_av-3f54b2b7dcdfec8870565588b5e63e93dc5b363d.tar.bz2 | |
audioflinger: Adjust throttle interval when effects in use
* Loud clicks/pops are heard when playing to a USB device with
AudioFX enabled. Particularly frequent when the USB device is
capable of high-resolution output.
* Adjust the throttling period when effects are enabled to
prevent this.
Change-Id: I3db220d13c37f4ff5b835c14831fbe6f5a5b062c
Diffstat (limited to 'services/audioflinger')
| -rw-r--r-- | services/audioflinger/Threads.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp index d70e457..4cb88c2 100644 --- a/services/audioflinger/Threads.cpp +++ b/services/audioflinger/Threads.cpp @@ -2990,8 +2990,9 @@ bool AudioFlinger::PlaybackThread::threadLoop() // the app won't fill fast enough to handle the sudden draw). const int32_t deltaMs = delta / 1000000; - const int32_t throttleMs = mHalfBufferMs - deltaMs; - if ((signed)mHalfBufferMs >= throttleMs && throttleMs > 0) { + const int32_t halfBufferMs = mHalfBufferMs / (mEffectBufferValid ? 4 : 1); + const int32_t throttleMs = halfBufferMs - deltaMs; + if ((signed)halfBufferMs >= throttleMs && throttleMs > 0) { usleep(throttleMs * 1000); // notify of throttle start on verbose log ALOGV_IF(mThreadThrottleEndMs == mThreadThrottleTimeMs, |