Module: wine Branch: master Commit: bcaa470607b771ca4eb9b232dc8f944497a0c8b7 URL: http://source.winehq.org/git/wine.git/?a=commit;h=bcaa470607b771ca4eb9b232dc...
Author: Maarten Lankhorst m.b.lankhorst@gmail.com Date: Mon Apr 19 11:52:50 2010 +0200
mmdevapi: Implement audio formats.
---
dlls/mmdevapi/audio.c | 147 ++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 145 insertions(+), 2 deletions(-)
diff --git a/dlls/mmdevapi/audio.c b/dlls/mmdevapi/audio.c index baaa943..fcefc5a 100644 --- a/dlls/mmdevapi/audio.c +++ b/dlls/mmdevapi/audio.c @@ -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) {