// ----------------------------------------------------------------------------
static void
android_media_AudioRecord_start(JNIEnv *env, jobject thiz)
{
AudioRecord *lpRecorder =
(AudioRecord *)env->GetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj);
if (lpRecorder == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return;
}
lpRecorder->start();
}
// ----------------------------------------------------------------------------
static int
android_media_AudioRecord_start(JNIEnv *env, jobject thiz)
{
AudioRecord *lpRecorder =
(AudioRecord *)env->GetIntField(thiz, javaAudioRecordFields.nativeRecorderInJavaObj);
if (lpRecorder == NULL ) {
jniThrowException(env, "java/lang/IllegalStateException", NULL);
return AUDIORECORD_ERROR;
}
return android_media_translateRecorderErrorCode(lpRecorder->start());
}
status_t FMA2DPWriter::readerthread() {
status_t err = OK;
int framecount =((4*mBufferSize)/mAudioChannels)/sizeof(int16_t);
//sizeof(int16_t) is frame size for PCM stream
int inChannel =
(mAudioChannels == 2) ? AUDIO_CHANNEL_IN_STEREO :
AUDIO_CHANNEL_IN_MONO;
prctl(PR_SET_NAME, (unsigned long)"FMA2DPReaderThread", 0, 0, 0);
AudioRecord* record = new AudioRecord(
mAudioSource,
mSampleRate,
mAudioFormat,
inChannel,
framecount);
if(!record){
ALOGE("fatal:Not able to open audiorecord");
return UNKNOWN_ERROR;
}
status_t res = record->initCheck();
if (res == NO_ERROR)
res = record->start();
else{
ALOGE("fatal:record init check failure");
return UNKNOWN_ERROR;
}
while (!mDone) {
mFreeQLock.lock();
if(mFreeQ.empty()){
mFreeQLock.unlock();
ALOGV("FreeQ empty");
sem_wait(&mReaderThreadWakeupsem);
ALOGV("FreeQ filled up");
continue;
}
List<audioBufferstruct>::iterator it = mFreeQ.begin();
audioBufferstruct buff ( it->audioBuffer,it->bufferlen);
mFreeQ.erase(it);
mFreeQLock.unlock();
buff.bufferlen = record->read(buff.audioBuffer, mBufferSize);
ALOGV("read %d bytes", buff.bufferlen);
if (buff.bufferlen <= 0){
ALOGE("error in reading from audiorecord..bailing out.");
this ->notify(MEDIA_RECORDER_EVENT_ERROR, MEDIA_RECORDER_ERROR_UNKNOWN,
ERROR_MALFORMED);
err = INVALID_OPERATION ;
break;
}
mDataQLock.lock();
if(mDataQ.empty()){
ALOGV("waking up reader");
sem_post(&mWriterThreadWakeupsem);
}
mDataQ.push_back(buff);
mDataQLock.unlock();
}
record->stop();
delete record;
return err;
}