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Commit bcaa4706 authored by Maarten Lankhorst's avatar Maarten Lankhorst Committed by Alexandre Julliard
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mmdevapi: Implement audio formats.

parent a94395f5
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Showing with 145 additions and 2 deletions
dlls/mmdevapi/audio.c
View file @ bcaa4706
......@@ -78,10 +78,153 @@ typedef struct ACImpl {
static const IAudioClientVtbl ACImpl_Vtbl;
static int get_format_PCM(WAVEFORMATEX *format)
{
if (format->nChannels > 2) {
FIXME("nChannels > 2 not documented for WAVE_FORMAT_PCM!\n");
return 0;
}
format->cbSize = 0;
if (format->nBlockAlign != format->wBitsPerSample/8*format->nChannels) {
WARN("Invalid nBlockAlign %u, from %u %u\n",
format->nBlockAlign, format->wBitsPerSample, format->nChannels);
return 0;
}
switch (format->wBitsPerSample) {
case 8: {
switch (format->nChannels) {
case 1: return AL_FORMAT_MONO8;
case 2: return AL_FORMAT_STEREO8;
}
}
case 16: {
switch (format->nChannels) {
case 1: return AL_FORMAT_MONO16;
case 2: return AL_FORMAT_STEREO16;
}
}
}
if (!(format->wBitsPerSample % 8))
WARN("Could not get OpenAL format (%d-bit, %d channels)\n",
format->wBitsPerSample, format->nChannels);
return 0;
}
/* Speaker configs */
#define MONO SPEAKER_FRONT_CENTER
#define STEREO (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT)
#define REAR (SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
#define QUAD (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
#define X5DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
#define X6DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_CENTER|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
#define X7DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
static int get_format_EXT(WAVEFORMATEX *format)
{
WAVEFORMATEXTENSIBLE *wfe;
if(format->cbSize < sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX)) {
WARN("Invalid cbSize specified for WAVE_FORMAT_EXTENSIBLE (%d)\n", format->cbSize);
return 0;
}
wfe = (WAVEFORMATEXTENSIBLE*)format;
wfe->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX);
if (wfe->Samples.wValidBitsPerSample &&
wfe->Samples.wValidBitsPerSample != format->wBitsPerSample) {
FIXME("wValidBitsPerSample(%u) != wBitsPerSample(%u) unsupported\n",
wfe->Samples.wValidBitsPerSample, format->wBitsPerSample);
return 0;
}
TRACE("Extensible values:\n"
" Samples = %d\n"
" ChannelMask = 0x%08x\n"
" SubFormat = %s\n",
wfe->Samples.wReserved, wfe->dwChannelMask,
debugstr_guid(&wfe->SubFormat));
if (wfe->dwChannelMask != MONO
&& wfe->dwChannelMask != STEREO
&& !palIsExtensionPresent("AL_EXT_MCFORMATS")) {
/* QUAD PCM might still work, special case */
if (palIsExtensionPresent("AL_LOKI_quadriphonic")
&& IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)
&& wfe->dwChannelMask == QUAD) {
if (format->wBitsPerSample == 16)
return AL_FORMAT_QUAD16_LOKI;
else if (format->wBitsPerSample == 8)
return AL_FORMAT_QUAD8_LOKI;
}
WARN("Not all formats available\n");
return 0;
}
if(IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) {
if (format->wBitsPerSample == 8) {
switch (wfe->dwChannelMask) {
case MONO: return AL_FORMAT_MONO8;
case STEREO: return AL_FORMAT_STEREO8;
case REAR: return AL_FORMAT_REAR8;
case QUAD: return AL_FORMAT_QUAD8;
case X5DOT1: return AL_FORMAT_51CHN8;
case X6DOT1: return AL_FORMAT_61CHN8;
case X7DOT1: return AL_FORMAT_71CHN8;
default: break;
}
} else if (format->wBitsPerSample == 16) {
switch (wfe->dwChannelMask) {
case MONO: return AL_FORMAT_MONO16;
case STEREO: return AL_FORMAT_STEREO16;
case REAR: return AL_FORMAT_REAR16;
case QUAD: return AL_FORMAT_QUAD16;
case X5DOT1: return AL_FORMAT_51CHN16;
case X6DOT1: return AL_FORMAT_61CHN16;
case X7DOT1: return AL_FORMAT_71CHN16;
default: break;
}
}
else if (!(format->wBitsPerSample % 8))
ERR("Could not get OpenAL PCM format (%d-bit, mask 0x%08x)\n",
format->wBitsPerSample, wfe->dwChannelMask);
return 0;
}
else if(IsEqualGUID(&wfe->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) {
if (format->wBitsPerSample != 32) {
WARN("Invalid valid bits %u/32\n", format->wBitsPerSample);
return 0;
}
switch (wfe->dwChannelMask) {
case MONO: return AL_FORMAT_MONO_FLOAT32;
case STEREO: return AL_FORMAT_STEREO_FLOAT32;
case REAR: return AL_FORMAT_REAR32;
case QUAD: return AL_FORMAT_QUAD32;
case X5DOT1: return AL_FORMAT_51CHN32;
case X6DOT1: return AL_FORMAT_61CHN32;
case X7DOT1: return AL_FORMAT_71CHN32;
default:
ERR("Could not get OpenAL float format (%d-bit, mask 0x%08x)\n",
format->wBitsPerSample, wfe->dwChannelMask);
return 0;
}
}
else if (!IsEqualGUID(&wfe->SubFormat, &GUID_NULL))
ERR("Unhandled extensible format: %s\n", debugstr_guid(&wfe->SubFormat));
return 0;
}
static ALint get_format(WAVEFORMATEX *in)
{
FIXME("stub\n");
return AL_FORMAT_STEREO_FLOAT32;
int ret = 0;
if (in->wFormatTag == WAVE_FORMAT_PCM)
ret = get_format_PCM(in);
else if (in->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
ret = get_format_EXT(in);
return ret;
}
static REFERENCE_TIME gettime(void) {
......
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