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PulseAudio: Another attempting at fixing a capture bug.

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Public issue #106
This commit is contained in:
David Reid
2020-01-04 08:25:52 +10:00
parent f77f04612f
commit 3f23492294
1 changed files with 27 additions and 22 deletions
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miniaudio.h
+27 -22
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@@ -16816,15 +16816,17 @@ ma_result ma_device_read__pulse(ma_device* pDevice, void* pPCMFrames, ma_uint32
mapping another chunk. If this fails we need to wait for data to become available. mapping another chunk. If this fails we need to wait for data to become available.
*/ */
if (pDevice->pulse.mappedBufferFramesCapacityCapture > 0 && pDevice->pulse.mappedBufferFramesRemainingCapture == 0) { if (pDevice->pulse.mappedBufferFramesCapacityCapture > 0 && pDevice->pulse.mappedBufferFramesRemainingCapture == 0) {
int error = ((ma_pa_stream_drop_proc)pDevice->pContext->pulse.pa_stream_drop)((ma_pa_stream*)pDevice->pulse.pStreamCapture); int error;
if (error != 0) {
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to drop fragment.", ma_result_from_pulse(error));
}
#if defined(MA_DEBUG_OUTPUT) #if defined(MA_DEBUG_OUTPUT)
printf("[PulseAudio] ma_device_read__pulse: Call pa_stream_drop()\n"); printf("[PulseAudio] ma_device_read__pulse: Call pa_stream_drop()\n");
#endif #endif
error = ((ma_pa_stream_drop_proc)pDevice->pContext->pulse.pa_stream_drop)((ma_pa_stream*)pDevice->pulse.pStreamCapture);
if (error != 0) {
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to drop fragment.", ma_result_from_pulse(error));
}
pDevice->pulse.pMappedBufferCapture = NULL; pDevice->pulse.pMappedBufferCapture = NULL;
pDevice->pulse.mappedBufferFramesRemainingCapture = 0; pDevice->pulse.mappedBufferFramesRemainingCapture = 0;
pDevice->pulse.mappedBufferFramesCapacityCapture = 0; pDevice->pulse.mappedBufferFramesCapacityCapture = 0;
@@ -16838,7 +16840,6 @@ ma_result ma_device_read__pulse(ma_device* pDevice, void* pPCMFrames, ma_uint32
/* Getting here means we need to map a new buffer. If we don't have enough data we wait for more. */ /* Getting here means we need to map a new buffer. If we don't have enough data we wait for more. */
for (;;) { for (;;) {
int error; int error;
size_t readableSizeInBytes;
size_t bytesMapped; size_t bytesMapped;
if (ma_device__get_state(pDevice) != MA_STATE_STARTED) { if (ma_device__get_state(pDevice) != MA_STATE_STARTED) {
@@ -16859,12 +16860,25 @@ ma_result ma_device_read__pulse(ma_device* pDevice, void* pPCMFrames, ma_uint32
if (error < 0) { if (error < 0) {
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to peek capture buffer.", ma_result_from_pulse(error)); return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to peek capture buffer.", ma_result_from_pulse(error));
} }
#if defined(MA_DEBUG_OUTPUT)
printf("[PulseAudio] ma_device_read__pulse: Call pa_stream_peek(). bytesMapped=%d\n", (int)bytesMapped);
#endif
if (pDevice->pulse.pMappedBufferCapture == NULL) { if (bytesMapped > 0) {
if (bytesMapped == 0) { pDevice->pulse.mappedBufferFramesCapacityCapture = bytesMapped / ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
pDevice->pulse.mappedBufferFramesRemainingCapture = pDevice->pulse.mappedBufferFramesCapacityCapture;
#if defined(MA_DEBUG_OUTPUT)
printf("[PulseAudio] ma_device_read__pulse: Mapped. mappedBufferFramesCapacityCapture=%d, mappedBufferFramesRemainingCapture=%d\n", pDevice->pulse.mappedBufferFramesCapacityCapture, pDevice->pulse.mappedBufferFramesRemainingCapture);
#endif
if (pDevice->pulse.pMappedBufferCapture == NULL) {
/* It's a hole. */
#if defined(MA_DEBUG_OUTPUT)
printf("[PulseAudio] ma_device_read__pulse: Call pa_stream_peek(). Hole.\n");
#endif
}
break;
} else {
if (pDevice->pulse.pMappedBufferCapture == NULL) {
/* Nothing available yet. Need to wait for more. */ /* Nothing available yet. Need to wait for more. */
/* /*
@@ -16883,22 +16897,13 @@ ma_result ma_device_read__pulse(ma_device* pDevice, void* pPCMFrames, ma_uint32
} }
#if defined(MA_DEBUG_OUTPUT) #if defined(MA_DEBUG_OUTPUT)
printf("[PulseAudio] ma_device_read__pulse: No data available. Waiting. mappedBufferFramesCapacityCapture=%d, mappedBufferFramesRemainingCapture%d\n", pDevice->pulse.mappedBufferFramesCapacityCapture, pDevice->pulse.mappedBufferFramesRemainingCapture); printf("[PulseAudio] ma_device_read__pulse: No data available. Waiting. mappedBufferFramesCapacityCapture=%d, mappedBufferFramesRemainingCapture=%d\n", pDevice->pulse.mappedBufferFramesCapacityCapture, pDevice->pulse.mappedBufferFramesRemainingCapture);
#endif #endif
continue;
} else { } else {
/* It's a hole. */ /* Getting here means we mapped 0 bytes, but have a non-NULL buffer. I don't think this should ever happen. */
#if defined(MA_DEBUG_OUTPUT) MA_ASSERT(MA_FALSE);
printf("[PulseAudio] ma_device_read__pulse: Call pa_stream_peek(). Hole.\n");
#endif
} }
} }
pDevice->pulse.mappedBufferFramesCapacityCapture = bytesMapped / ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
pDevice->pulse.mappedBufferFramesRemainingCapture = pDevice->pulse.mappedBufferFramesCapacityCapture;
break;
} }
} }