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winealsa: Do not destroy remapping info on IsFormatSupported.

This commit is contained in:
Mark Harmstone 2015-01-11 17:10:28 +00:00 committed by Alexandre Julliard
parent b34b2caed4
commit dcf8767b58
1 changed files with 29 additions and 33 deletions
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62
dlls/winealsa.drv/mmdevdrv.c
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@ -1130,11 +1130,11 @@ static int alsa_channel_index(DWORD flag)
return -1;
}
static BOOL need_remapping(ACImpl *This, const WAVEFORMATEX *fmt)
static BOOL need_remapping(ACImpl *This, const WAVEFORMATEX *fmt, int *map)
{
unsigned int i;
for(i = 0; i < fmt->nChannels; ++i){
if(This->alsa_channel_map[i] != i)
if(map[i] != i)
return TRUE;
}
return FALSE;
@ -1166,8 +1166,10 @@ static DWORD get_channel_mask(unsigned int channels)
return 0;
}
static HRESULT map_channels(ACImpl *This, const WAVEFORMATEX *fmt)
static HRESULT map_channels(ACImpl *This, const WAVEFORMATEX *fmt, int *alsa_channels, int *map)
{
BOOL need_remap;
if(This->dataflow != eCapture && (fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE || fmt->nChannels > 2) ){
WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
DWORD mask, flag = SPEAKER_FRONT_LEFT;
@ -1179,47 +1181,47 @@ static HRESULT map_channels(ACImpl *This, const WAVEFORMATEX *fmt)
else
mask = get_channel_mask(fmt->nChannels);
This->alsa_channels = 0;
*alsa_channels = 0;
while(i < fmt->nChannels && !(flag & SPEAKER_RESERVED)){
if(mask & flag){
This->alsa_channel_map[i] = alsa_channel_index(flag);
map[i] = alsa_channel_index(flag);
TRACE("Mapping mmdevapi channel %u (0x%x) to ALSA channel %d\n",
i, flag, This->alsa_channel_map[i]);
if(This->alsa_channel_map[i] >= This->alsa_channels)
This->alsa_channels = This->alsa_channel_map[i] + 1;
i, flag, map[i]);
if(map[i] >= *alsa_channels)
*alsa_channels = map[i] + 1;
++i;
}
flag <<= 1;
}
while(i < fmt->nChannels){
This->alsa_channel_map[i] = This->alsa_channels;
map[i] = *alsa_channels;
TRACE("Mapping mmdevapi channel %u to ALSA channel %d\n",
i, This->alsa_channel_map[i]);
++This->alsa_channels;
i, map[i]);
++*alsa_channels;
++i;
}
for(i = 0; i < fmt->nChannels; ++i){
if(This->alsa_channel_map[i] == -1){
This->alsa_channel_map[i] = This->alsa_channels;
++This->alsa_channels;
if(map[i] == -1){
map[i] = *alsa_channels;
++*alsa_channels;
TRACE("Remapping mmdevapi channel %u to ALSA channel %d\n",
i, This->alsa_channel_map[i]);
i, map[i]);
}
}
This->need_remapping = need_remapping(This, fmt);
TRACE("need_remapping: %u, alsa_channels: %d\n", This->need_remapping, This->alsa_channels);
need_remap = need_remapping(This, fmt, map);
}else{
This->need_remapping = FALSE;
This->alsa_channels = fmt->nChannels;
TRACE("need_remapping: %u, alsa_channels: %d\n", This->need_remapping, This->alsa_channels);
*alsa_channels = fmt->nChannels;
need_remap = FALSE;
}
return S_OK;
TRACE("need_remapping: %u, alsa_channels: %d\n", need_remap, *alsa_channels);
return need_remap ? S_OK : S_FALSE;
}
static void silence_buffer(ACImpl *This, BYTE *buffer, UINT32 frames)
@ -1304,11 +1306,7 @@ static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
dump_fmt(fmt);
if(FAILED(map_channels(This, fmt))){
WARN("map_channels failed\n");
hr = AUDCLNT_E_ENDPOINT_CREATE_FAILED;
goto exit;
}
This->need_remapping = map_channels(This, fmt, &This->alsa_channels, This->alsa_channel_map) == S_OK ? TRUE : FALSE;
if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){
WARN("Unable to get hw_params: %d (%s)\n", err, snd_strerror(err));
@ -1623,6 +1621,7 @@ static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
WAVEFORMATEX *closest = NULL;
unsigned int max = 0, min = 0;
int err;
int alsa_channels, alsa_channel_map[32];
TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out);
@ -1717,12 +1716,9 @@ static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
closest->nChannels = min;
}
if(FAILED(map_channels(This, fmt))){
hr = AUDCLNT_E_DEVICE_INVALIDATED;
WARN("map_channels failed\n");
goto exit;
}
if(This->alsa_channels > max){
map_channels(This, fmt, &alsa_channels, alsa_channel_map);
if(alsa_channels > max){
hr = S_FALSE;
closest->nChannels = max;
}