static OSStatus input_proc(AudioDeviceID device,
const AudioTimeStamp *currentTime,
const AudioBufferList *inputData,
const AudioTimeStamp *inputTime,
AudioBufferList *outputData,
const AudioTimeStamp *outputTime,
void *context)
{
OSStatus err = noErr;
phastream_t *as = ((phastream_t *) context);
ca_dev *cadev = (ca_dev *) as->drvinfo;
/* <UOLFONE <pTime adjustment> > */
//unsigned decodedFrameSize = as->ms.codec->decoded_framesize;
unsigned decodedFrameSize = ph_astream_decoded_framesize_get(as);
/* </UOLFONE> */
if (as->actual_rate != as->clock_rate) {
decodedFrameSize *= 2;
}
DBG_DYNA_AUDIO_DRV("**CoreAudio: available input data: %d\n",
inputData->mBuffers[0].mDataByteSize);
DBG_DYNA_AUDIO_DRV("**CoreAudio: phapi framesize:%d, input converter buffer size: %d\n",
decodedFrameSize, cadev->inputConverterBufferSize);
memcpy(cadev->tmpInputBuffer + cadev->tmpInputCount,
inputData->mBuffers[0].mData, inputData->mBuffers[0].mDataByteSize);
cadev->tmpInputCount += inputData->mBuffers[0].mDataByteSize;
while (cadev->tmpInputCount >= cadev->inputConverterBufferSize) {
cadev->convertedInputCount = decodedFrameSize;
unsigned savedtmpInputCount = cadev->tmpInputCount;
cadev->currentInputBuffer = cadev->tmpInputBuffer;
cadev->sumDataSize = 0;
err = AudioConverterFillBuffer(cadev->inputConverter, buffer_data_proc,
cadev, &cadev->convertedInputCount, cadev->convertedInputBuffer);
if (err != noErr) {
DBG_DYNA_AUDIO_DRV("!!CoreAudio: error while converting\n");
}
DBG_DYNA_AUDIO_DRV("**CoreAudio: converted data: %d\n", cadev->convertedInputCount);
// Send converted data to phapi
cadev->cbk(as, cadev->convertedInputBuffer, cadev->convertedInputCount, NULL, 0);
unsigned usedData = cadev->sumDataSize;
if (usedData != 0) {
unsigned remainingData = savedtmpInputCount - usedData;
memcpy(cadev->tmpInputBuffer, cadev->tmpInputBuffer + usedData, remainingData);
cadev->tmpInputCount = remainingData;
}
DBG_DYNA_AUDIO_DRV("**CoreAudio: used data: %d\n", usedData);
}
return noErr;
}
// shipout to device (usually 512 frames at 44k1 for builtin audio and
// USB). this is asynchronous and runs (implicitly) in its own thread.
//
static OSStatus ioProcOutput(AudioDeviceID device,
const AudioTimeStamp *currentTime,
const AudioBufferList *inputData,
const AudioTimeStamp *inputTime,
AudioBufferList *outputData, // io param
const AudioTimeStamp *outputTime,
void *context)
{
Stream *s= (Stream *)context;
Buffer *b= s->buffer;
if (Buffer_free(b) >= s->imgBufSize)
ioProcSignal(s->semaphore); // restart SoundRecorder
return AudioConverterFillBuffer(((Stream *)context)->converter, bufferDataProc, context,
&outputData->mBuffers[0].mDataByteSize,
outputData->mBuffers[0].mData);
}
static sqInt sound_RecordSamplesIntoAtLength(sqInt buf, sqInt startSliceIndex, sqInt bufferSizeInBytes)
{
if (input)
{
if (Buffer_avail(input->buffer) >= (512 * DeviceFrameSize))
{
int start= startSliceIndex * SqueakFrameSize / 2;
UInt32 count= min(input->cvtBufSize, bufferSizeInBytes - start);
if (kAudioHardwareNoError == AudioConverterFillBuffer(input->converter, bufferDataProc, input,
&count, pointerForOop(buf) + start))
return count / (SqueakFrameSize / 2) / input->channels;
}
return 0;
}
success(false);
return 0;
}
JNIEXPORT jint JNICALL Java_com_apple_audio_toolbox_AudioConverter_AudioConverterFillBuffer
(JNIEnv *, jclass, jint inAudioConverter, jint inInputDataProc, jint inInputDataProcUserData, jint ioOutputDataSize, jint outOutputData)
{
return (jint)AudioConverterFillBuffer((AudioConverterRef)inAudioConverter, (AudioConverterInputDataProc)inInputDataProc, (void *)inInputDataProcUserData, (UInt32 *)ioOutputDataSize, (void *)outOutputData);
}
