diff options
| author | Chris Robinson <[email protected]> | 2014-09-10 08:30:07 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2014-09-10 08:30:07 -0700 |
| commit | 49cb2421c71e3ef22d81ddfc3eac65e464eaeb2d (patch) | |
| tree | c7f5abca8f3b4942ece6cbd76b323cf7aee053cf /Alc/backends | |
| parent | d714b909624e69bf09078804af61d805fcfa5c6c (diff) | |
Use a wave file channel mask based on the actual format
Diffstat (limited to 'Alc/backends')
| -rw-r--r-- | Alc/backends/wave.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/Alc/backends/wave.c b/Alc/backends/wave.c index c80e059d..5bfdf72c 100644 --- a/Alc/backends/wave.c +++ b/Alc/backends/wave.c @@ -44,18 +44,6 @@ static const ALubyte SUBTYPE_FLOAT[] = { 0x00, 0x38, 0x9b, 0x71 }; -static const ALuint channel_masks[] = { - 0, /* invalid */ - 0x4, /* Mono */ - 0x1 | 0x2, /* Stereo */ - 0, /* 3 channel */ - 0x1 | 0x2 | 0x10 | 0x20, /* Quad */ - 0, /* 5 channel */ - 0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20, /* 5.1 */ - 0x1 | 0x2 | 0x4 | 0x8 | 0x100 | 0x200 | 0x400, /* 6.1 */ - 0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20 | 0x200 | 0x400, /* 7.1 */ -}; - static void fwrite16le(ALushort val, FILE *f) { @@ -244,7 +232,7 @@ static void ALCwaveBackend_close(ALCwaveBackend *self) static ALCboolean ALCwaveBackend_reset(ALCwaveBackend *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; - ALuint channels=0, bits=0; + ALuint channels=0, bits=0, chanmask=0; size_t val; fseek(self->mFile, 0, SEEK_SET); @@ -267,6 +255,16 @@ static ALCboolean ALCwaveBackend_reset(ALCwaveBackend *self) case DevFmtFloat: break; } + switch(device->FmtChans) + { + case DevFmtMono: chanmask = 0x04; break; + case DevFmtStereo: chanmask = 0x01 | 0x02; break; + case DevFmtQuad: chanmask = 0x01 | 0x02 | 0x10 | 0x20; break; + case DevFmtX51Side: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x200 | 0x400; break; + case DevFmtX51: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x010 | 0x020; break; + case DevFmtX61: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x100 | 0x200 | 0x400; break; + case DevFmtX71: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x010 | 0x020 | 0x200 | 0x400; break; + } bits = BytesFromDevFmt(device->FmtType) * 8; channels = ChannelsFromDevFmt(device->FmtChans); @@ -295,7 +293,7 @@ static ALCboolean ALCwaveBackend_reset(ALCwaveBackend *self) // 16-bit val, valid bits per sample fwrite16le(bits, self->mFile); // 32-bit val, channel mask - fwrite32le(channel_masks[channels], self->mFile); + fwrite32le(chanmask, self->mFile); // 16 byte GUID, sub-type format val = fwrite(((bits==32) ? SUBTYPE_FLOAT : SUBTYPE_PCM), 1, 16, self->mFile); (void)val; |