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PulseAudio: Try fixing a channel mapping bug.

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Public issue https://github.com/mackron/miniaudio/issues/811
This commit is contained in:
David Reid
2024-02-28 18:40:35 +10:00
parent feea26496c
commit b454e7f14b
1 changed files with 17 additions and 4 deletions
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miniaudio.h
+17 -4
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@@ -30388,6 +30388,7 @@ static ma_result ma_device_init__pulse(ma_device* pDevice, const ma_device_confi
ma_pa_buffer_attr attr;
const ma_pa_sample_spec* pActualSS = NULL;
const ma_pa_buffer_attr* pActualAttr = NULL;
const ma_pa_channel_map* pActualChannelMap = NULL;
ma_uint32 iChannel;
ma_pa_stream_flags_t streamFlags;
@@ -30537,7 +30538,12 @@ static ma_result ma_device_init__pulse(ma_device* pDevice, const ma_device_confi
goto on_error4;
}
/* Internal channel map. */
pActualChannelMap = ((ma_pa_stream_get_channel_map_proc)pDevice->pContext->pulse.pa_stream_get_channel_map)((ma_pa_stream*)pDevice->pulse.pStreamCapture);
if (pActualChannelMap == NULL) {
pActualChannelMap = &cmap; /* Fallback just in case. */
}
/*
Bug in PipeWire. There have been reports that PipeWire is returning AUX channels when reporting
@@ -30547,8 +30553,8 @@ static ma_result ma_device_init__pulse(ma_device* pDevice, const ma_device_confi
fixed sooner than later. I might remove this hack later.
*/
if (pDescriptorCapture->channels > 2) {
for (iChannel = 0; iChannel < pDescriptorCapture->channels; ++iChannel) {
pDescriptorCapture->channelMap[iChannel] = ma_channel_position_from_pulse(cmap.map[iChannel]);
for (iChannel = 0; iChannel < pDescriptorCapture->channels; iChannel += 1) {
pDescriptorCapture->channelMap[iChannel] = ma_channel_position_from_pulse(pActualChannelMap->map[iChannel]);
}
} else {
/* Hack for mono and stereo. */
@@ -30689,7 +30695,12 @@ static ma_result ma_device_init__pulse(ma_device* pDevice, const ma_device_confi
goto on_error4;
}
/* Internal channel map. */
pActualChannelMap = ((ma_pa_stream_get_channel_map_proc)pDevice->pContext->pulse.pa_stream_get_channel_map)((ma_pa_stream*)pDevice->pulse.pStreamPlayback);
if (pActualChannelMap == NULL) {
pActualChannelMap = &cmap; /* Fallback just in case. */
}
/*
Bug in PipeWire. There have been reports that PipeWire is returning AUX channels when reporting
@@ -30699,8 +30710,8 @@ static ma_result ma_device_init__pulse(ma_device* pDevice, const ma_device_confi
fixed sooner than later. I might remove this hack later.
*/
if (pDescriptorPlayback->channels > 2) {
for (iChannel = 0; iChannel < pDescriptorPlayback->channels; ++iChannel) {
pDescriptorPlayback->channelMap[iChannel] = ma_channel_position_from_pulse(cmap.map[iChannel]);
for (iChannel = 0; iChannel < pDescriptorPlayback->channels; iChannel += 1) {
pDescriptorPlayback->channelMap[iChannel] = ma_channel_position_from_pulse(pActualChannelMap->map[iChannel]);
}
} else {
/* Hack for mono and stereo. */
@@ -72068,6 +72079,8 @@ static ma_uint16 ma_node_config_get_cache_size_in_frames(const ma_node_config* p
{
ma_uint32 cacheSizeInFrames;
(void)pConfig;
if (pNodeGraph->processingSizeInFrames > 0) {
cacheSizeInFrames = pNodeGraph->processingSizeInFrames;
} else {