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>

6 files changed, 31 insertions, 0 deletions

diff --git a/libs/audioflinger/AudioDumpInterface.cpp b/libs/audioflinger/AudioDumpInterface.cpp
index 30e2bc9..a018b4c 100644
--- a/libs/audioflinger/AudioDumpInterface.cpp
+++ b/libs/audioflinger/AudioDumpInterface.cpp
@@ -509,6 +509,12 @@ String8 AudioStreamInDump::getParameters(const String8& keys)
     return param.toString();
 }
 
+unsigned int AudioStreamInDump::getInputFramesLost() const
+{
+    if (mFinalStream != 0 ) return mFinalStream->getInputFramesLost();
+    return 0;
+}
+
 status_t AudioStreamInDump::dump(int fd, const Vector<String16>& args)
 {
     if (mFinalStream != 0 ) return mFinalStream->dump(fd, args);
diff --git a/libs/audioflinger/AudioDumpInterface.h b/libs/audioflinger/AudioDumpInterface.h
index 5b9a6b1..4c62b3e 100644
--- a/libs/audioflinger/AudioDumpInterface.h
+++ b/libs/audioflinger/AudioDumpInterface.h
@@ -94,6 +94,7 @@ public:
     virtual status_t    standby();
     virtual status_t    setParameters(const String8& keyValuePairs);
     virtual String8     getParameters(const String8& keys);
+    virtual unsigned int  getInputFramesLost() const;
     virtual status_t    dump(int fd, const Vector<String16>& args);
     void                Close(void);
     AudioStreamIn*     finalStream() { return mFinalStream; }
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,
diff --git a/libs/audioflinger/AudioFlinger.h b/libs/audioflinger/AudioFlinger.h
index 44da9ed..739ec33 100644
--- a/libs/audioflinger/AudioFlinger.h
+++ b/libs/audioflinger/AudioFlinger.h
@@ -108,6 +108,7 @@ public:
     virtual     void        registerClient(const sp<IAudioFlingerClient>& client);
 
     virtual     size_t      getInputBufferSize(uint32_t sampleRate, int format, int channelCount);
+    virtual     unsigned int  getInputFramesLost(int ioHandle);
 
     virtual int openOutput(uint32_t *pDevices,
                                     uint32_t *pSamplingRate,
@@ -745,6 +746,7 @@ private:
         virtual String8     getParameters(const String8& keys);
         virtual void        audioConfigChanged(int event, int param = 0);
                 void        readInputParameters();
+        virtual unsigned int  getInputFramesLost();
 
     private:
                 RecordThread();
diff --git a/libs/audioflinger/AudioHardwareGeneric.h b/libs/audioflinger/AudioHardwareGeneric.h
index 95c7ea3..aa4e78d 100644
--- a/libs/audioflinger/AudioHardwareGeneric.h
+++ b/libs/audioflinger/AudioHardwareGeneric.h
@@ -88,6 +88,7 @@ public:
     virtual status_t    standby() { return NO_ERROR; }
     virtual status_t    setParameters(const String8& keyValuePairs);
     virtual String8     getParameters(const String8& keys);
+    virtual unsigned int  getInputFramesLost() const { return 0; }
 
 private:
     AudioHardwareGeneric *mAudioHardware;
diff --git a/libs/audioflinger/AudioHardwareStub.h b/libs/audioflinger/AudioHardwareStub.h
index 769ae3f..06a29de 100644
--- a/libs/audioflinger/AudioHardwareStub.h
+++ b/libs/audioflinger/AudioHardwareStub.h
@@ -57,6 +57,7 @@ public:
     virtual status_t    standby() { return NO_ERROR; }
     virtual status_t    setParameters(const String8& keyValuePairs) { return NO_ERROR;}
     virtual String8     getParameters(const String8& keys);
+    virtual unsigned int  getInputFramesLost() const { return 0; }
 };
 
 class AudioHardwareStub : public  AudioHardwareBase