[17/18] winecoreaudio: Implement CoreAudio_wiAudioUnitIOProc, the
input callback.
Ken Thomases
ken at codeweavers.com
Thu Dec 28 11:07:16 CST 2006
-------------- next part --------------
diff --git a/dlls/winmm/winecoreaudio/audio.c b/dlls/winmm/winecoreaudio/audio.c
index eb38b95..8d57181 100644
--- a/dlls/winmm/winecoreaudio/audio.c
+++ b/dlls/winmm/winecoreaudio/audio.c
@@ -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(voi
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 = %08x, inTimeStamp = { %f, %llu, %f, %llu, %08x }, inBusNumber = %d, inNumberFrames = %d)\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 %i\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
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