mmdevapi: Avoid reporting odd numbers of channels.

Fixes sound in Touhou Luna Nights with some surround sound
configurations.

Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Andrew Eikum 2019-09-10 10:55:16 -05:00 committed by Alexandre Julliard
parent 8487265f81
commit b56d19d3a0
4 changed files with 296 additions and 30 deletions

View File

@ -1831,6 +1831,22 @@ static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
else
fmt->Format.nChannels = max_channels;
if(fmt->Format.nChannels > 1 && (fmt->Format.nChannels & 0x1)){
/* For most hardware on Windows, users must choose a configuration with an even
* number of channels (stereo, quad, 5.1, 7.1). Users can then disable
* channels, but those channels are still reported to applications from
* GetMixFormat! Some applications behave badly if given an odd number of
* channels (e.g. 2.1). */
if(fmt->Format.nChannels < max_channels)
fmt->Format.nChannels += 1;
else
/* We could "fake" more channels and downmix the emulated channels,
* but at that point you really ought to tweak your ALSA setup or
* just use PulseAudio. */
WARN("Some Windows applications behave badly with an odd number of channels (%u)!\n", fmt->Format.nChannels);
}
fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);
if((err = snd_pcm_hw_params_get_rate_max(This->hw_params, &max_rate,

View File

@ -1736,6 +1736,122 @@ unsupported:
return AUDCLNT_E_UNSUPPORTED_FORMAT;
}
static DWORD ca_channel_layout_to_channel_mask(const AudioChannelLayout *layout)
{
int i;
DWORD mask = 0;
for (i = 0; i < layout->mNumberChannelDescriptions; ++i) {
switch (layout->mChannelDescriptions[i].mChannelLabel) {
default: FIXME("Unhandled channel 0x%x\n", layout->mChannelDescriptions[i].mChannelLabel); break;
case kAudioChannelLabel_Left: mask |= SPEAKER_FRONT_LEFT; break;
case kAudioChannelLabel_Mono:
case kAudioChannelLabel_Center: mask |= SPEAKER_FRONT_CENTER; break;
case kAudioChannelLabel_Right: mask |= SPEAKER_FRONT_RIGHT; break;
case kAudioChannelLabel_LeftSurround: mask |= SPEAKER_BACK_LEFT; break;
case kAudioChannelLabel_CenterSurround: mask |= SPEAKER_BACK_CENTER; break;
case kAudioChannelLabel_RightSurround: mask |= SPEAKER_BACK_RIGHT; break;
case kAudioChannelLabel_LFEScreen: mask |= SPEAKER_LOW_FREQUENCY; break;
case kAudioChannelLabel_LeftSurroundDirect: mask |= SPEAKER_SIDE_LEFT; break;
case kAudioChannelLabel_RightSurroundDirect: mask |= SPEAKER_SIDE_RIGHT; break;
case kAudioChannelLabel_TopCenterSurround: mask |= SPEAKER_TOP_CENTER; break;
case kAudioChannelLabel_VerticalHeightLeft: mask |= SPEAKER_TOP_FRONT_LEFT; break;
case kAudioChannelLabel_VerticalHeightCenter: mask |= SPEAKER_TOP_FRONT_CENTER; break;
case kAudioChannelLabel_VerticalHeightRight: mask |= SPEAKER_TOP_FRONT_RIGHT; break;
case kAudioChannelLabel_TopBackLeft: mask |= SPEAKER_TOP_BACK_LEFT; break;
case kAudioChannelLabel_TopBackCenter: mask |= SPEAKER_TOP_BACK_CENTER; break;
case kAudioChannelLabel_TopBackRight: mask |= SPEAKER_TOP_BACK_RIGHT; break;
case kAudioChannelLabel_LeftCenter: mask |= SPEAKER_FRONT_LEFT_OF_CENTER; break;
case kAudioChannelLabel_RightCenter: mask |= SPEAKER_FRONT_RIGHT_OF_CENTER; break;
}
}
return mask;
}
/* For most hardware on Windows, users must choose a configuration with an even
* number of channels (stereo, quad, 5.1, 7.1). Users can then disable
* channels, but those channels are still reported to applications from
* GetMixFormat! Some applications behave badly if given an odd number of
* channels (e.g. 2.1). Here, we find the nearest configuration that Windows
* would report for a given channel layout. */
static void convert_channel_layout(const AudioChannelLayout *ca_layout, WAVEFORMATEXTENSIBLE *fmt)
{
DWORD ca_mask = ca_channel_layout_to_channel_mask(ca_layout);
TRACE("Got channel mask for CA: 0x%x\n", ca_mask);
if (ca_layout->mNumberChannelDescriptions == 1)
{
fmt->Format.nChannels = 1;
fmt->dwChannelMask = ca_mask;
return;
}
/* compare against known configurations and find smallest configuration
* which is a superset of the given speakers */
if (ca_layout->mNumberChannelDescriptions <= 2 &&
(ca_mask & ~KSAUDIO_SPEAKER_STEREO) == 0)
{
fmt->Format.nChannels = 2;
fmt->dwChannelMask = KSAUDIO_SPEAKER_STEREO;
return;
}
if (ca_layout->mNumberChannelDescriptions <= 4 &&
(ca_mask & ~KSAUDIO_SPEAKER_QUAD) == 0)
{
fmt->Format.nChannels = 4;
fmt->dwChannelMask = KSAUDIO_SPEAKER_QUAD;
return;
}
if (ca_layout->mNumberChannelDescriptions <= 4 &&
(ca_mask & ~KSAUDIO_SPEAKER_SURROUND) == 0)
{
fmt->Format.nChannels = 4;
fmt->dwChannelMask = KSAUDIO_SPEAKER_SURROUND;
return;
}
if (ca_layout->mNumberChannelDescriptions <= 6 &&
(ca_mask & ~KSAUDIO_SPEAKER_5POINT1) == 0)
{
fmt->Format.nChannels = 6;
fmt->dwChannelMask = KSAUDIO_SPEAKER_5POINT1;
return;
}
if (ca_layout->mNumberChannelDescriptions <= 6 &&
(ca_mask & ~KSAUDIO_SPEAKER_5POINT1_SURROUND) == 0)
{
fmt->Format.nChannels = 6;
fmt->dwChannelMask = KSAUDIO_SPEAKER_5POINT1_SURROUND;
return;
}
if (ca_layout->mNumberChannelDescriptions <= 8 &&
(ca_mask & ~KSAUDIO_SPEAKER_7POINT1) == 0)
{
fmt->Format.nChannels = 8;
fmt->dwChannelMask = KSAUDIO_SPEAKER_7POINT1;
return;
}
if (ca_layout->mNumberChannelDescriptions <= 8 &&
(ca_mask & ~KSAUDIO_SPEAKER_7POINT1_SURROUND) == 0)
{
fmt->Format.nChannels = 8;
fmt->dwChannelMask = KSAUDIO_SPEAKER_7POINT1_SURROUND;
return;
}
/* oddball format, report truthfully */
fmt->Format.nChannels = ca_layout->mNumberChannelDescriptions;
fmt->dwChannelMask = ca_mask;
}
static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
WAVEFORMATEX **pwfx)
{
@ -1745,6 +1861,7 @@ static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
UInt32 size;
Float64 rate;
AudioBufferList *buffers;
AudioChannelLayout *layout;
AudioObjectPropertyAddress addr;
int i;
@ -1762,38 +1879,70 @@ static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
addr.mScope = This->scope;
addr.mElement = 0;
addr.mSelector = kAudioDevicePropertyStreamConfiguration;
addr.mSelector = kAudioDevicePropertyPreferredChannelLayout;
sc = AudioObjectGetPropertyDataSize(This->adevid, &addr, 0, NULL, &size);
if(sc != noErr){
CoTaskMemFree(fmt);
WARN("Unable to get size for _StreamConfiguration property: %x\n", (int)sc);
return osstatus_to_hresult(sc);
if(sc == noErr){
layout = HeapAlloc(GetProcessHeap(), 0, size);
sc = AudioObjectGetPropertyData(This->adevid, &addr, 0, NULL, &size, layout);
if(sc == noErr){
TRACE("Got channel layout: {tag: 0x%x, bitmap: 0x%x, num_descs: %u}\n",
layout->mChannelLayoutTag, layout->mChannelBitmap, layout->mNumberChannelDescriptions);
if(layout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelDescriptions){
convert_channel_layout(layout, fmt);
}else{
WARN("Haven't implemented support for this layout tag: 0x%x, guessing at layout\n", layout->mChannelLayoutTag);
fmt->Format.nChannels = 0;
}
}else{
TRACE("Unable to get _PreferredChannelLayout property: %x, guessing at layout\n", (int)sc);
fmt->Format.nChannels = 0;
}
HeapFree(GetProcessHeap(), 0, layout);
}else{
TRACE("Unable to get size for _PreferredChannelLayout property: %x, guessing at layout\n", (int)sc);
fmt->Format.nChannels = 0;
}
buffers = HeapAlloc(GetProcessHeap(), 0, size);
if(!buffers){
CoTaskMemFree(fmt);
return E_OUTOFMEMORY;
}
if(fmt->Format.nChannels == 0){
addr.mScope = This->scope;
addr.mElement = 0;
addr.mSelector = kAudioDevicePropertyStreamConfiguration;
sc = AudioObjectGetPropertyDataSize(This->adevid, &addr, 0, NULL, &size);
if(sc != noErr){
CoTaskMemFree(fmt);
WARN("Unable to get size for _StreamConfiguration property: %x\n", (int)sc);
return osstatus_to_hresult(sc);
}
buffers = HeapAlloc(GetProcessHeap(), 0, size);
if(!buffers){
CoTaskMemFree(fmt);
return E_OUTOFMEMORY;
}
sc = AudioObjectGetPropertyData(This->adevid, &addr, 0, NULL,
&size, buffers);
if(sc != noErr){
CoTaskMemFree(fmt);
HeapFree(GetProcessHeap(), 0, buffers);
WARN("Unable to get _StreamConfiguration property: %x\n", (int)sc);
return osstatus_to_hresult(sc);
}
fmt->Format.nChannels = 0;
for(i = 0; i < buffers->mNumberBuffers; ++i)
fmt->Format.nChannels += buffers->mBuffers[i].mNumberChannels;
sc = AudioObjectGetPropertyData(This->adevid, &addr, 0, NULL,
&size, buffers);
if(sc != noErr){
CoTaskMemFree(fmt);
HeapFree(GetProcessHeap(), 0, buffers);
WARN("Unable to get _StreamConfiguration property: %x\n", (int)sc);
return osstatus_to_hresult(sc);
fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);
}
fmt->Format.nChannels = 0;
for(i = 0; i < buffers->mNumberBuffers; ++i)
fmt->Format.nChannels += buffers->mBuffers[i].mNumberChannels;
HeapFree(GetProcessHeap(), 0, buffers);
fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);
addr.mSelector = kAudioDevicePropertyNominalSampleRate;
size = sizeof(Float64);
sc = AudioObjectGetPropertyData(This->adevid, &addr, 0, NULL, &size, &rate);

View File

@ -1334,6 +1334,22 @@ static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
if(fmt->Format.nChannels == 0 || fmt->Format.nChannels > 8)
fmt->Format.nChannels = 2;
/* For most hardware on Windows, users must choose a configuration with an even
* number of channels (stereo, quad, 5.1, 7.1). Users can then disable
* channels, but those channels are still reported to applications from
* GetMixFormat! Some applications behave badly if given an odd number of
* channels (e.g. 2.1). */
if(fmt->Format.nChannels > 1 && (fmt->Format.nChannels & 0x1))
{
if(fmt->Format.nChannels < This->ai.max_channels)
fmt->Format.nChannels += 1;
else
/* We could "fake" more channels and downmix the emulated channels,
* but at that point you really ought to tweak your OSS setup or
* just use PulseAudio. */
WARN("Some Windows applications behave badly with an odd number of channels (%u)!\n", fmt->Format.nChannels);
}
if(This->ai.max_rate == 0)
fmt->Format.nSamplesPerSec = 44100;
else

View File

@ -341,11 +341,12 @@ static const enum pa_channel_position pulse_pos_from_wfx[] = {
PA_CHANNEL_POSITION_TOP_REAR_RIGHT
};
static DWORD pulse_channel_map_to_channel_mask(const pa_channel_map *map) {
static DWORD pulse_channel_map_to_channel_mask(const pa_channel_map *map)
{
int i;
DWORD mask = 0;
for (i = 0; i < map->channels; ++i)
for (i = 0; i < map->channels; ++i) {
switch (map->map[i]) {
default: FIXME("Unhandled channel %s\n", pa_channel_position_to_string(map->map[i])); break;
case PA_CHANNEL_POSITION_FRONT_LEFT: mask |= SPEAKER_FRONT_LEFT; break;
@ -367,11 +368,95 @@ static DWORD pulse_channel_map_to_channel_mask(const pa_channel_map *map) {
case PA_CHANNEL_POSITION_TOP_REAR_RIGHT: mask |= SPEAKER_TOP_BACK_RIGHT; break;
case PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER: mask |= SPEAKER_FRONT_LEFT_OF_CENTER; break;
case PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER: mask |= SPEAKER_FRONT_RIGHT_OF_CENTER; break;
}
}
return mask;
}
/* For most hardware on Windows, users must choose a configuration with an even
* number of channels (stereo, quad, 5.1, 7.1). Users can then disable
* channels, but those channels are still reported to applications from
* GetMixFormat! Some applications behave badly if given an odd number of
* channels (e.g. 2.1). Here, we find the nearest configuration that Windows
* would report for a given channel layout. */
static void convert_channel_map(const pa_channel_map *pa_map, WAVEFORMATEXTENSIBLE *fmt)
{
DWORD pa_mask = pulse_channel_map_to_channel_mask(pa_map);
TRACE("got mask for PA: 0x%x\n", pa_mask);
if (pa_map->channels == 1)
{
fmt->Format.nChannels = 1;
fmt->dwChannelMask = pa_mask;
return;
}
/* compare against known configurations and find smallest configuration
* which is a superset of the given speakers */
if (pa_map->channels <= 2 &&
(pa_mask & ~KSAUDIO_SPEAKER_STEREO) == 0)
{
fmt->Format.nChannels = 2;
fmt->dwChannelMask = KSAUDIO_SPEAKER_STEREO;
return;
}
if (pa_map->channels <= 4 &&
(pa_mask & ~KSAUDIO_SPEAKER_QUAD) == 0)
{
fmt->Format.nChannels = 4;
fmt->dwChannelMask = KSAUDIO_SPEAKER_QUAD;
return;
}
if (pa_map->channels <= 4 &&
(pa_mask & ~KSAUDIO_SPEAKER_SURROUND) == 0)
{
fmt->Format.nChannels = 4;
fmt->dwChannelMask = KSAUDIO_SPEAKER_SURROUND;
return;
}
if (pa_map->channels <= 6 &&
(pa_mask & ~KSAUDIO_SPEAKER_5POINT1) == 0)
{
fmt->Format.nChannels = 6;
fmt->dwChannelMask = KSAUDIO_SPEAKER_5POINT1;
return;
}
if (pa_map->channels <= 6 &&
(pa_mask & ~KSAUDIO_SPEAKER_5POINT1_SURROUND) == 0)
{
fmt->Format.nChannels = 6;
fmt->dwChannelMask = KSAUDIO_SPEAKER_5POINT1_SURROUND;
return;
}
if (pa_map->channels <= 8 &&
(pa_mask & ~KSAUDIO_SPEAKER_7POINT1) == 0)
{
fmt->Format.nChannels = 8;
fmt->dwChannelMask = KSAUDIO_SPEAKER_7POINT1;
return;
}
if (pa_map->channels <= 8 &&
(pa_mask & ~KSAUDIO_SPEAKER_7POINT1_SURROUND) == 0)
{
fmt->Format.nChannels = 8;
fmt->dwChannelMask = KSAUDIO_SPEAKER_7POINT1_SURROUND;
return;
}
/* oddball format, report truthfully */
fmt->Format.nChannels = pa_map->channels;
fmt->dwChannelMask = pa_mask;
}
static void pulse_probe_settings(int render, WAVEFORMATEXTENSIBLE *fmt) {
WAVEFORMATEX *wfx = &fmt->Format;
pa_stream *stream;
@ -433,10 +518,12 @@ static void pulse_probe_settings(int render, WAVEFORMATEXTENSIBLE *fmt) {
wfx->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wfx->cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
wfx->nChannels = ss.channels;
convert_channel_map(&map, fmt);
wfx->wBitsPerSample = 8 * pa_sample_size_of_format(ss.format);
wfx->nSamplesPerSec = ss.rate;
wfx->nBlockAlign = pa_frame_size(&ss);
wfx->nBlockAlign = wfx->nChannels * wfx->wBitsPerSample / 8;
wfx->nAvgBytesPerSec = wfx->nSamplesPerSec * wfx->nBlockAlign;
if (ss.format != PA_SAMPLE_S24_32LE)
fmt->Samples.wValidBitsPerSample = wfx->wBitsPerSample;
@ -446,8 +533,6 @@ static void pulse_probe_settings(int render, WAVEFORMATEXTENSIBLE *fmt) {
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
else
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
fmt->dwChannelMask = pulse_channel_map_to_channel_mask(&map);
}
static HRESULT pulse_connect(void)