update offloaded audio track sampling rate
AudioPlayer must read the sampling rate from offloaded audio sinks
whenever a new time position is computed as the decoder can update
the sampling rate on the fly.
Change-Id: I997e5248cfd4017aeceb4e11689324ded2a5bc88
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 8319dcd..4b93714 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -600,6 +600,19 @@
}
AutoMutex lock(mLock);
+
+ // sample rate can be updated during playback by the offloaded decoder so we need to
+ // query the HAL and update if needed.
+// FIXME use Proxy return channel to update the rate from server and avoid polling here
+ if (isOffloaded()) {
+ if (mOutput != 0) {
+ uint32_t sampleRate = 0;
+ status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate);
+ if (status == NO_ERROR) {
+ mSampleRate = sampleRate;
+ }
+ }
+ }
return mSampleRate;
}