audioflinger: Add support for RecordTrack with no conversion
When piping encoded audio data via software patch, it needs
to be created without the buffer converter. In this case the audio
data is copied directly from ResamplerBufferProvider.
Added input flag AUDIO_INPUT_FLAG_DIRECT to indicate to PatchPanel
that the PatchRecord track needs to be opened in this mode.
This flag can be later added to minor Audio HAL update.
Bug: 63901775
Test: MSD scenario; verified that phone over USB headset still works
on marlin / sailfish
Change-Id: If2745778d356769b143fb3c29910275ddef119ac
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index f6c33e2..22e610e 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -1694,18 +1694,20 @@
return;
}
- mRecordBufferConverter = new RecordBufferConverter(
- thread->mChannelMask, thread->mFormat, thread->mSampleRate,
- channelMask, format, sampleRate);
- // Check if the RecordBufferConverter construction was successful.
- // If not, don't continue with construction.
- //
- // NOTE: It would be extremely rare that the record track cannot be created
- // for the current device, but a pending or future device change would make
- // the record track configuration valid.
- if (mRecordBufferConverter->initCheck() != NO_ERROR) {
- ALOGE("RecordTrack unable to create record buffer converter");
- return;
+ if (!isDirect()) {
+ mRecordBufferConverter = new RecordBufferConverter(
+ thread->mChannelMask, thread->mFormat, thread->mSampleRate,
+ channelMask, format, sampleRate);
+ // Check if the RecordBufferConverter construction was successful.
+ // If not, don't continue with construction.
+ //
+ // NOTE: It would be extremely rare that the record track cannot be created
+ // for the current device, but a pending or future device change would make
+ // the record track configuration valid.
+ if (mRecordBufferConverter->initCheck() != NO_ERROR) {
+ ALOGE("RecordTrack unable to create record buffer converter");
+ return;
+ }
}
mServerProxy = new AudioRecordServerProxy(mCblk, mBuffer, frameCount,