// stop the capture hardware
// returns 0 for success, -1 for failure
int HAE_StopAudioCapture(void* context) {
audio_info_t sunAudioHeader;
INT32 error = -1;
//fprintf(stderr, ">> HAE_API_SolarisOS_Capture: HAE_StopAudioCapture()\n");
if (g_captureSound) {
g_captureShutdown = TRUE;
// stop streaming data
error = HAE_PauseAudioCapture();
// wait for thread to complete
while (g_activeWaveInThread) {
HAE_SleepFrameThread(context, 10);
}
}
// $$kk: 04.13.99: should do this regardless of error value??
if (error == 0) {
// destroy the audio capture thread
error = HAE_DestroyFrameThread(NULL);
}
//fprintf(stderr, "<< HAE_API_SolarisOS_Capture: HAE_StopAudioCapture() returning %d\n", error);
return (error == 0) ? 0 : -1;
}
// stop the capture hardware
int HAE_StopAudioCapture(void* context) {
MMRESULT theErr;
int i;
TRACE0("> HAE_StopAudioCapture\n");
if (g_captureSound) {
// tell the thread to die
// the thread will also reset the device
g_captureShutdown = TRUE;
// stop streaming data
theErr = HAE_PauseAudioCapture();
// destroy the audio capture thread.
/* $$fb:
* this is a dummy operation! It wouldn't even
* distinguish between playback thread and capture thread...
*/
HAE_DestroyFrameThread(NULL);
//printf(" waiting for thread to complete\n");
// wait for thread to complete
while (g_activeWaveInThread) {
HAE_SleepFrameThread(context, 10);
}
// deallocate the capture data buffers
for (i = 0; i < HAE_WAVEIN_NUM_BUFFERS; i++) {
HAE_Deallocate(g_audioBufferBlock[i]);
} // for
}
TRACE0("< HAE_StopAudioCapture\n");
return 0;
}
// Release and free audio card.
// return 0 if ok, -1 if failed.
int HAE_ReleaseAudioCard(void *context) {
int ctr = 50;
g_shutDownDoubleBuffer = TRUE; // signal thread to stop
HAE_DestroyFrameThread(context);
// $$fb 2002-04-17: wait until PV_AudioWaveOutFrameThread exits
// fix for 4498848 Sound causes crashes on Linux
ctr=50;
while (g_activeDoubleBuffer && --ctr) {
TRACE1("Waiting %d...\r", ctr);
// the following call MUST allow the FrameThread to continue
// (i.e. to exit the PV_AudioWaveOutFrameThread function)
HAE_SleepFrameThread(context, HAE_SOLARIS_SOUND_PERIOD);
}
if (!ctr) {
ERROR0("Timed out waiting for frame thread to die!\n");
}
if (g_waveDevice) {
close(g_waveDevice);
g_waveDevice = 0;
}
if (g_audioBufferBlock) {
HAE_Deallocate(g_audioBufferBlock);
g_audioBufferBlock = NULL;
}
#ifdef USE_RAWDATA_CHECK
HAE_FileClose(debugrawfile); debugrawfile = 0;
#endif
return 0;
}
// Release and free audio card.
// return 0 if ok, -1 if failed.
int HAE_ReleaseAudioCard(void *context)
{
int ctr;
g_shutDownDoubleBuffer = TRUE; /* signal thread to stop */
HAE_DestroyFrameThread(context);
// $$fb 2002-04-17: wait until PV_AudioWaveOutFrameThread exits
// fix for 4498848 Sound causes crashes on Linux
ctr=50;
while (g_activeDoubleBuffer && --ctr) {
TRACE1("Waiting %d...\r", ctr);
// the following call MUST allow the FrameThread to continue
// (i.e. to exit the PV_AudioWaveOutFrameThread function)
HAE_SleepFrameThread(context, HAE_LINUX_SOUND_PERIOD);
}
if (!ctr) {
ERROR0("Timed out waiting for frame thread to die!\n");
}
HAE_CloseSoundCard(0); // Close for playback
if (g_audioBufferBlock) {
HAE_Deallocate(g_audioBufferBlock);
g_audioBufferBlock = NULL;
}
return 0;
}
