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winealsa: Unify the checks for wBitsPerSample.

This commit is contained in:
Jörg Höhle 2012-01-05 00:26:29 +01:00 committed by Alexandre Julliard
parent afe7bc06e6
commit 76f655dbb0
1 changed files with 38 additions and 85 deletions
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123
dlls/winealsa.drv/mmdevdrv.c
View File

@ -718,6 +718,38 @@ static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt)
return ret;
}
static snd_pcm_format_t alsa_format(const WAVEFORMATEX *fmt)
{
snd_pcm_format_t format = SND_PCM_FORMAT_UNKNOWN;
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
if(fmt->wBitsPerSample == 8)
format = SND_PCM_FORMAT_U8;
else if(fmt->wBitsPerSample == 16)
format = SND_PCM_FORMAT_S16_LE;
else if(fmt->wBitsPerSample == 24)
format = SND_PCM_FORMAT_S24_3LE;
else if(fmt->wBitsPerSample == 32)
format = SND_PCM_FORMAT_S32_LE;
else
WARN("Unsupported bit depth: %u\n", fmt->wBitsPerSample);
}else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
if(fmt->wBitsPerSample == 32)
format = SND_PCM_FORMAT_FLOAT_LE;
else if(fmt->wBitsPerSample == 64)
format = SND_PCM_FORMAT_FLOAT64_LE;
else
WARN("Unsupported float size: %u\n", fmt->wBitsPerSample);
}else
WARN("Unknown wave format: %04x\n", fmt->wFormatTag);
return format;
}
static void session_init_vols(AudioSession *session, UINT channels)
{
if(session->channel_count < channels){
@ -808,7 +840,6 @@ static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
ACImpl *This = impl_from_IAudioClient(iface);
snd_pcm_sw_params_t *sw_params = NULL;
snd_pcm_format_t format;
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
unsigned int rate, alsa_period_us;
int err, i;
HRESULT hr = S_OK;
@ -878,36 +909,8 @@ static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
goto exit;
}
if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
if(fmt->wBitsPerSample == 8)
format = SND_PCM_FORMAT_U8;
else if(fmt->wBitsPerSample == 16)
format = SND_PCM_FORMAT_S16_LE;
else if(fmt->wBitsPerSample == 24)
format = SND_PCM_FORMAT_S24_3LE;
else if(fmt->wBitsPerSample == 32)
format = SND_PCM_FORMAT_S32_LE;
else{
WARN("Unsupported bit depth: %u\n", fmt->wBitsPerSample);
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
if(fmt->wBitsPerSample == 32)
format = SND_PCM_FORMAT_FLOAT_LE;
else if(fmt->wBitsPerSample == 64)
format = SND_PCM_FORMAT_FLOAT64_LE;
else{
WARN("Unsupported float size: %u\n", fmt->wBitsPerSample);
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else{
WARN("Unknown wave format: %04x\n", fmt->wFormatTag);
format = alsa_format(fmt);
if (format == SND_PCM_FORMAT_UNKNOWN){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
@ -1205,6 +1208,7 @@ static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
{
ACImpl *This = impl_from_IAudioClient(iface);
snd_pcm_format_mask_t *formats = NULL;
snd_pcm_format_t format;
HRESULT hr = S_OK;
WAVEFORMATEX *closest = NULL;
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
@ -1246,60 +1250,9 @@ static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
}
snd_pcm_hw_params_get_format_mask(This->hw_params, formats);
if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
switch(fmt->wBitsPerSample){
case 8:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_U8)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 16:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S16_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 24:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S24_3LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 32:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S32_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
default:
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
switch(fmt->wBitsPerSample){
case 32:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 64:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT64_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
default:
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else{
format = alsa_format(fmt);
if (format == SND_PCM_FORMAT_UNKNOWN ||
!snd_pcm_format_mask_test(formats, format)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}