AudioRecord and AudioTrack client tid
Inform AudioFlinger of the tid of the callback thread.
Change-Id: I670df92dd06749b057238b48ed1094b13aab720b
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 087d7b2..2518921 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -362,18 +362,26 @@
cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS;
cblk->waitTimeMs = 0;
android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags);
+ pid_t tid;
if (t != 0) {
t->run("AudioTrackThread", ANDROID_PRIORITY_AUDIO);
+ tid = t->getTid(); // pid_t is unknown until run()
+ ALOGV("getTid=%d", tid);
+ if (tid == -1) {
+ tid = 0;
+ }
} else {
mPreviousPriority = getpriority(PRIO_PROCESS, 0);
mPreviousSchedulingGroup = androidGetThreadSchedulingGroup(0);
androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO);
+ tid = 0; // not gettid()
}
ALOGV("start %p before lock cblk %p", this, mCblk);
if (!(cblk->flags & CBLK_INVALID_MSK)) {
cblk->lock.unlock();
- status = mAudioTrack->start();
+ ALOGV("mAudioTrack->start(tid=%d)", tid);
+ status = mAudioTrack->start(tid);
cblk->lock.lock();
if (status == DEAD_OBJECT) {
android_atomic_or(CBLK_INVALID_ON, &cblk->flags);
@@ -895,7 +903,7 @@
"user=%08x, server=%08x", this, cblk->user, cblk->server);
//unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140)
cblk->lock.unlock();
- result = mAudioTrack->start();
+ result = mAudioTrack->start(0); // callback thread hasn't changed
cblk->lock.lock();
if (result == DEAD_OBJECT) {
android_atomic_or(CBLK_INVALID_ON, &cblk->flags);
@@ -927,7 +935,7 @@
if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) {
android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags);
ALOGW("obtainBuffer() track %p disabled, restarting", this);
- mAudioTrack->start();
+ mAudioTrack->start(0); // callback thread hasn't changed
}
cblk->waitTimeMs = 0;
@@ -1218,7 +1226,7 @@
}
}
if (mActive) {
- result = mAudioTrack->start();
+ result = mAudioTrack->start(0); // callback thread hasn't changed
ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result);
}
if (fromStart && result == NO_ERROR) {