Merge "AudioFlinger: fix fast capture silence" into rvc-dev am: 044eaa62c7
Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11671291
Change-Id: I82da9e28413340cb4a007c846b023d053a010513
diff --git a/services/audioflinger/FastCapture.cpp b/services/audioflinger/FastCapture.cpp
index dd84bf2..d6d6e25 100644
--- a/services/audioflinger/FastCapture.cpp
+++ b/services/audioflinger/FastCapture.cpp
@@ -154,7 +154,7 @@
mReadBufferState = -1;
dumpState->mFrameCount = frameCount;
}
-
+ dumpState->mSilenced = current->mSilenceCapture;
}
void FastCapture::onWork()
@@ -208,6 +208,9 @@
mReadBufferState = frameCount;
}
if (mReadBufferState > 0) {
+ if (current->mSilenceCapture) {
+ memset(mReadBuffer, 0, mReadBufferState * Format_frameSize(mFormat));
+ }
ssize_t framesWritten = mPipeSink->write(mReadBuffer, mReadBufferState);
audio_track_cblk_t* cblk = current->mCblk;
if (fastPatchRecordBufferProvider != 0) {
diff --git a/services/audioflinger/FastCaptureDumpState.cpp b/services/audioflinger/FastCaptureDumpState.cpp
index 53eeba5..b8b3866 100644
--- a/services/audioflinger/FastCaptureDumpState.cpp
+++ b/services/audioflinger/FastCaptureDumpState.cpp
@@ -44,10 +44,11 @@
double periodSec = (double) mFrameCount / mSampleRate;
dprintf(fd, " FastCapture command=%s readSequence=%u framesRead=%u\n"
" readErrors=%u sampleRate=%u frameCount=%zu\n"
- " measuredWarmup=%.3g ms, warmupCycles=%u period=%.2f ms\n",
+ " measuredWarmup=%.3g ms, warmupCycles=%u period=%.2f ms\n"
+ " silenced: %s\n",
FastCaptureState::commandToString(mCommand), mReadSequence, mFramesRead,
mReadErrors, mSampleRate, mFrameCount, measuredWarmupMs, mWarmupCycles,
- periodSec * 1e3);
+ periodSec * 1e3, mSilenced ? "true" : "false");
}
} // android
diff --git a/services/audioflinger/FastCaptureDumpState.h b/services/audioflinger/FastCaptureDumpState.h
index 6f9c4c3..a1b8706 100644
--- a/services/audioflinger/FastCaptureDumpState.h
+++ b/services/audioflinger/FastCaptureDumpState.h
@@ -35,6 +35,7 @@
uint32_t mReadErrors; // total number of read() errors
uint32_t mSampleRate;
size_t mFrameCount;
+ bool mSilenced = false; // capture is silenced
};
} // android
diff --git a/services/audioflinger/FastCaptureState.h b/services/audioflinger/FastCaptureState.h
index d287232..f949275 100644
--- a/services/audioflinger/FastCaptureState.h
+++ b/services/audioflinger/FastCaptureState.h
@@ -41,6 +41,8 @@
audio_format_t mFastPatchRecordFormat = AUDIO_FORMAT_INVALID;
AudioBufferProvider* mFastPatchRecordBufferProvider = nullptr; // a reference to a patch
// record in fast mode
+ bool mSilenceCapture = false; // request to silence capture for fast track.
+ // note: this also silences the normal mixer pipe
// Extends FastThreadState::Command
static const Command
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 4a4899f..849c050 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -7089,6 +7089,8 @@
// reference to a fast track which is about to be removed
sp<RecordTrack> fastTrackToRemove;
+ bool silenceFastCapture = false;
+
{ // scope for mLock
Mutex::Autolock _l(mLock);
@@ -7176,14 +7178,33 @@
__func__, activeTrackState, activeTrack->id(), size);
}
- activeTracks.add(activeTrack);
- i++;
-
if (activeTrack->isFastTrack()) {
ALOG_ASSERT(!mFastTrackAvail);
ALOG_ASSERT(fastTrack == 0);
+ // if the active fast track is silenced either:
+ // 1) silence the whole capture from fast capture buffer if this is
+ // the only active track
+ // 2) invalidate this track: this will cause the client to reconnect and possibly
+ // be invalidated again until unsilenced
+ if (activeTrack->isSilenced()) {
+ if (size > 1) {
+ activeTrack->invalidate();
+ ALOG_ASSERT(fastTrackToRemove == 0);
+ fastTrackToRemove = activeTrack;
+ removeTrack_l(activeTrack);
+ mActiveTracks.remove(activeTrack);
+ size--;
+ continue;
+ } else {
+ silenceFastCapture = true;
+ }
+ }
fastTrack = activeTrack;
}
+
+ activeTracks.add(activeTrack);
+ i++;
+
}
mActiveTracks.updatePowerState(this);
@@ -7257,6 +7278,10 @@
AUDIO_FORMAT_INVALID : fastTrack->format();
didModify = true;
}
+ if (state->mSilenceCapture != silenceFastCapture) {
+ state->mSilenceCapture = silenceFastCapture;
+ didModify = true;
+ }
sq->end(didModify);
if (didModify) {
sq->push(block);