Issue 2071329: audio track is shorter than video track for video capture on sholes

Add API to retrieve number of frames dropped by audio input kernel driver.

Submitted on behalf of Masaki Sato <masaki.sato@motorola.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/libs/audioflinger/AudioFlinger.cpp b/libs/audioflinger/AudioFlinger.cpp
index 9d52882..2269352 100644
--- a/libs/audioflinger/AudioFlinger.cpp
+++ b/libs/audioflinger/AudioFlinger.cpp
@@ -618,6 +618,21 @@ size_t AudioFlinger::getInputBufferSize(uint32_t sampleRate, int format, int cha
     return mAudioHardware->getInputBufferSize(sampleRate, format, channelCount);
 }
 
+unsigned int AudioFlinger::getInputFramesLost(int ioHandle)
+{
+    if (ioHandle == 0) {
+        return 0;
+    }
+
+    Mutex::Autolock _l(mLock);
+
+    RecordThread *recordThread = checkRecordThread_l(ioHandle);
+    if (recordThread != NULL) {
+        return recordThread->getInputFramesLost();
+    }
+    return 0;
+}
+
 status_t AudioFlinger::setVoiceVolume(float value)
 {
     // check calling permissions
@@ -3575,6 +3590,11 @@ void AudioFlinger::RecordThread::readInputParameters()
     mRsmpInIndex = mFrameCount;
 }
 
+unsigned int AudioFlinger::RecordThread::getInputFramesLost()
+{
+    return mInput->getInputFramesLost();
+}
+
 // ----------------------------------------------------------------------------
 
 int AudioFlinger::openOutput(uint32_t *pDevices,