Merge "ToneGenerator: fix sampling rate selection." into main
diff --git a/media/libaudioclient/ToneGenerator.cpp b/media/libaudioclient/ToneGenerator.cpp
index e723926..d325d0a 100644
--- a/media/libaudioclient/ToneGenerator.cpp
+++ b/media/libaudioclient/ToneGenerator.cpp
@@ -1033,17 +1033,11 @@
mState = TONE_IDLE;
- if (AudioSystem::getOutputSamplingRate(&mSamplingRate, streamType) != NO_ERROR) {
- ALOGE("Unable to marshal AudioFlinger");
- return;
- }
mThreadCanCallJava = threadCanCallJava;
mStreamType = streamType;
mVolume = volume;
mpToneDesc = NULL;
mpNewToneDesc = NULL;
- // Generate tone by chunks of 20 ms to keep cadencing precision
- mProcessSize = (mSamplingRate * 20) / 1000;
char value[PROPERTY_VALUE_MAX];
if (property_get("gsm.operator.iso-country", value, "") == 0) {
@@ -1321,6 +1315,7 @@
mpAudioTrack = new AudioTrack(attributionSource);
ALOGV("AudioTrack(%p) created", mpAudioTrack.get());
+
audio_attributes_t attr;
audio_stream_type_t streamType = mStreamType;
if (mStreamType == AUDIO_STREAM_VOICE_CALL || mStreamType == AUDIO_STREAM_BLUETOOTH_SCO) {
@@ -1329,13 +1324,12 @@
attr = AudioSystem::streamTypeToAttributes(streamType);
attr.flags = static_cast<audio_flags_mask_t>(attr.flags | AUDIO_FLAG_LOW_LATENCY);
- const size_t frameCount = mProcessSize;
status_t status = mpAudioTrack->set(
AUDIO_STREAM_DEFAULT,
0, // sampleRate
AUDIO_FORMAT_PCM_16_BIT,
AUDIO_CHANNEL_OUT_MONO,
- frameCount,
+ 0, // frameCount
AUDIO_OUTPUT_FLAG_NONE,
wp<AudioTrack::IAudioTrackCallback>::fromExisting(this),
0, // notificationFrames
@@ -1355,6 +1349,10 @@
return false;
}
+ mSamplingRate = mpAudioTrack->getSampleRate();
+ // Generate tone by chunks of 20 ms to keep cadencing precision
+ mProcessSize = (mSamplingRate * 20) / 1000;
+
mpAudioTrack->setVolume(mVolume);
mState = TONE_INIT;
return true;