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Don't downmix sounds when AL_SOFT_source_spatialize is available

This commit is contained in:
Chris Robinson 2017-05-12 12:08:41 -07:00 committed by Christoph Oelckers
parent 7af11b1963
commit e1fc33c38f
2 changed files with 26 additions and 3 deletions
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22
src/sound/oalsound.cpp
View File

@ -285,6 +285,8 @@ class OpenALSoundStream : public SoundStream
}
if(Renderer->AL.EXT_SOURCE_RADIUS)
alSourcef(Source, AL_SOURCE_RADIUS, 0.f);
if(Renderer->AL.SOFT_source_spatialize)
alSourcei(Source, AL_SOURCE_SPATIALIZE_SOFT, AL_AUTO_SOFT);
alGenBuffers(BufferCount, Buffers);
return (getALError() == AL_NO_ERROR);
@ -816,6 +818,7 @@ OpenALSoundRenderer::OpenALSoundRenderer()
AL.SOFT_deferred_updates = !!alIsExtensionPresent("AL_SOFT_deferred_updates");
AL.SOFT_loop_points = !!alIsExtensionPresent("AL_SOFT_loop_points");
AL.SOFT_source_resampler = !!alIsExtensionPresent("AL_SOFT_source_resampler");
AL.SOFT_source_spatialize = !!alIsExtensionPresent("AL_SOFT_source_spatialize");
alDopplerFactor(0.5f);
alSpeedOfSound(343.3f * 96.0f);
@ -1177,6 +1180,9 @@ std::pair<SoundHandle,bool> OpenALSoundRenderer::LoadSoundRaw(uint8_t *sfxdata,
if(length == 0) return std::make_pair(retval, true);
/* Only downmix to mono if we can't spatialize multi-channel sounds. */
monoize = monoize && !AL.SOFT_source_spatialize;
if(bits == -8)
{
// Simple signed->unsigned conversion
@ -1264,7 +1270,7 @@ std::pair<SoundHandle,bool> OpenALSoundRenderer::LoadSoundRaw(uint8_t *sfxdata,
}
retval.data = MAKE_PTRID(buffer);
return std::make_pair(retval, channels==1);
return std::make_pair(retval, AL.SOFT_source_spatialize || channels==1);
}
void FindLoopTags(FileReader *fr, uint32_t *start, bool *startass, uint32_t *end, bool *endass);
@ -1280,6 +1286,9 @@ std::pair<SoundHandle,bool> OpenALSoundRenderer::LoadSound(uint8_t *sfxdata, int
uint32_t loop_start = 0, loop_end = ~0u;
bool startass = false, endass = false;
/* Only downmix to mono if we can't spatialize multi-channel sounds. */
monoize = monoize && !AL.SOFT_source_spatialize;
if (!memcmp(sfxdata, "OggS", 4) || !memcmp(sfxdata, "FLAC", 4))
{
MemoryReader mr((char*)sfxdata, length);
@ -1377,7 +1386,7 @@ std::pair<SoundHandle,bool> OpenALSoundRenderer::LoadSound(uint8_t *sfxdata, int
pBuffer->type = type;
pBuffer->srate = srate;
}
return std::make_pair(retval, (chans == ChannelConfig_Mono || monoize));
return std::make_pair(retval, AL.SOFT_source_spatialize || chans == ChannelConfig_Mono || monoize);
}
std::pair<SoundHandle, bool> OpenALSoundRenderer::LoadSoundBuffered(FSoundLoadBuffer *pBuffer, bool monoize)
@ -1389,6 +1398,9 @@ std::pair<SoundHandle, bool> OpenALSoundRenderer::LoadSoundBuffered(FSoundLoadBu
auto chans = pBuffer->chans;
uint32_t loop_start = pBuffer->loop_start, loop_end = pBuffer->loop_end;
/* Only downmix to mono if we can't spatialize multi-channel sounds. */
monoize = monoize && !AL.SOFT_source_spatialize;
if (chans == ChannelConfig_Mono || monoize)
{
if (type == SampleType_UInt8) format = AL_FORMAT_MONO8;
@ -1461,7 +1473,7 @@ std::pair<SoundHandle, bool> OpenALSoundRenderer::LoadSoundBuffered(FSoundLoadBu
}
retval.data = MAKE_PTRID(buffer);
return std::make_pair(retval, (chans == ChannelConfig_Mono || monoize));
return std::make_pair(retval, AL.SOFT_source_spatialize || chans == ChannelConfig_Mono || monoize);
}
void OpenALSoundRenderer::UnloadSound(SoundHandle sfx)
@ -1560,6 +1572,8 @@ FISoundChannel *OpenALSoundRenderer::StartSound(SoundHandle sfx, float vol, int
alSourcef(source, AL_GAIN, SfxVolume*vol);
if(AL.EXT_SOURCE_RADIUS)
alSourcef(source, AL_SOURCE_RADIUS, 0.f);
if(AL.SOFT_source_spatialize)
alSourcei(source, AL_SOURCE_SPATIALIZE_SOFT, AL_AUTO_SOFT);
if(EnvSlot)
{
@ -1768,6 +1782,8 @@ FISoundChannel *OpenALSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener
alSourcef(source, AL_MAX_GAIN, SfxVolume);
alSourcef(source, AL_GAIN, SfxVolume*vol);
if(AL.SOFT_source_spatialize)
alSourcei(source, AL_SOURCE_SPATIALIZE_SOFT, AL_TRUE);
if(EnvSlot)
{

7
src/sound/oalsound.h
View File

@ -109,6 +109,12 @@ AL_API const ALchar* AL_APIENTRY alGetStringiSOFT(ALenum pname, ALsizei index);
#endif
#endif
#ifndef AL_SOFT_source_spatialize
#define AL_SOFT_source_spatialize
#define AL_SOURCE_SPATIALIZE_SOFT 0x1214
#define AL_AUTO_SOFT 0x0002
#endif
class OpenALSoundStream;
@ -184,6 +190,7 @@ private:
bool SOFT_deferred_updates;
bool SOFT_loop_points;
bool SOFT_source_resampler;
bool SOFT_source_spatialize;
} AL;
// EFX Extension function pointer variables. Loaded after context creation