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winecoreaudio: Implement CoreAudio_wiAudioUnitIOProc, the input callback.

This commit is contained in:
Ken Thomases 2006-12-28 11:07:16 -06:00 committed by Alexandre Julliard
parent 959ec2aa44
commit fa84451647
1 changed files with 73 additions and 1 deletions
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74
dlls/winmm/winecoreaudio/audio.c
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@ -68,6 +68,15 @@ enum
};
typedef UInt32 AudioUnitRenderActionFlags;
typedef long ComponentResult;
extern ComponentResult
AudioUnitRender( AudioUnit ci,
AudioUnitRenderActionFlags * ioActionFlags,
const AudioTimeStamp * inTimeStamp,
UInt32 inOutputBusNumber,
UInt32 inNumberFrames,
AudioBufferList * ioData) AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER;
/* only allow 10 output devices through this driver, this ought to be adequate */
#define MAX_WAVEOUTDRV (1)
#define MAX_WAVEINDRV (1)
@ -2118,7 +2127,70 @@ OSStatus CoreAudio_wiAudioUnitIOProc(void *inRefCon,
UInt32 inNumberFrames,
AudioBufferList *ioData)
{
return noErr;
WINE_WAVEIN* wwi = (WINE_WAVEIN*)inRefCon;
OSStatus err = noErr;
BOOL needNotify = FALSE;
WAVEHDR* lpStorePtr;
unsigned int dataToStore;
unsigned int dataStored = 0;
if (wwi->trace_on)
fprintf(stderr, "trace:wave:CoreAudio_wiAudioUnitIOProc (ioActionFlags = %08lx, inTimeStamp = { %f, %llu, %f, %llu, %08lx }, inBusNumber = %lu, inNumberFrames = %lu)\n",
*ioActionFlags, inTimeStamp->mSampleTime, inTimeStamp->mHostTime, inTimeStamp->mRateScalar, inTimeStamp->mWordClockTime, inTimeStamp->mFlags, inBusNumber, inNumberFrames);
/* Render into audio buffer */
err = AudioUnitRender(wwi->audioUnit, ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, wwi->bufferList);
if (err)
{
if (wwi->err_on)
fprintf(stderr, "err:wave:CoreAudio_wiAudioUnitIOProc AudioUnitRender failed with error %li\n", err);
return err;
}
/* Copy from audio buffer to the wavehdrs */
dataToStore = wwi->bufferList->mBuffers[0].mDataByteSize;
OSSpinLockLock(&wwi->lock);
lpStorePtr = wwi->lpQueuePtr;
while (dataToStore > 0 && wwi->state == WINE_WS_PLAYING && lpStorePtr)
{
unsigned int room = lpStorePtr->dwBufferLength - lpStorePtr->dwBytesRecorded;
unsigned int toCopy;
if (wwi->trace_on)
fprintf(stderr, "trace:wave:CoreAudio_wiAudioUnitIOProc Looking to store %u bytes to wavehdr %p, which has room for %u\n",
dataToStore, lpStorePtr, room);
if (room >= dataToStore)
toCopy = dataToStore;
else
toCopy = room;
if (toCopy > 0)
{
memcpy(lpStorePtr->lpData + lpStorePtr->dwBytesRecorded,
(char*)wwi->bufferList->mBuffers[0].mData + dataStored, toCopy);
lpStorePtr->dwBytesRecorded += toCopy;
wwi->dwTotalRecorded += toCopy;
dataStored += toCopy;
dataToStore -= toCopy;
room -= toCopy;
}
if (room == 0)
{
lpStorePtr = lpStorePtr->lpNext;
needNotify = TRUE;
}
}
OSSpinLockUnlock(&wwi->lock);
if (needNotify) wodSendNotifyInputCompletionsMessage(wwi);
return err;
}
#else