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Use spline as the default source resampler for OpenAL

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This makes sounds feel stronger, the spline resampler has slightly louder high frequencies
This commit is contained in:
smallmodel 2025-01-09 20:29:43 +01:00
parent 305c026f4e
commit 28fd0ba201
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GPG key ID: 9F2D623CEDF08512
1 changed files with 37 additions and 9 deletions
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46
code/client/snd_openal_new.cpp
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@ -69,15 +69,17 @@ static float reverb_table[] = {
1.0f, 0.097000003f, 0.208f, 0.65200001f, 1.0f, 0.875f, 0.139f, 0.486f,
};
static vec3_t vec_zero = {0, 0, 0};
int s_iNumMilesAudioProviders = 0;
bool s_bProvidersEmunerated = false;
static bool al_initialized = false;
static bool al_use_reverb = false;
static float al_current_volume = 0;
static unsigned int al_frequency = 22050;
static ALCcontext *al_context_id = NULL;
static ALCdevice *al_device = NULL;
static vec3_t vec_zero = {0, 0, 0};
int s_iNumMilesAudioProviders = 0;
bool s_bProvidersEmunerated = false;
static bool al_initialized = false;
static bool al_use_reverb = false;
static float al_current_volume = 0;
static unsigned int al_frequency = 22050;
static ALCcontext *al_context_id = NULL;
static ALCdevice *al_device = NULL;
static ALsizei al_default_resampler_index = 0;
static ALsizei al_resampler_index = 0;
static ALboolean (*_alutLoadMP3_LOKI)(unsigned int buffer, const byte *data, int length);
static void (*_alReverbScale_LOKI)();
@ -272,6 +274,8 @@ static bool S_OPENAL_InitContext()
{
const char *dev;
int attrlist[10];
size_t i;
size_t numResamplers;
Com_DPrintf("OpenAL: Context initialization\n");
@ -429,6 +433,23 @@ static bool S_OPENAL_InitContext()
qalcMakeContextCurrent(al_context_id);
alDieIfError();
#ifdef AL_SOFT_source_resampler
al_default_resampler_index = qalGetInteger(AL_DEFAULT_RESAMPLER_SOFT);
alDieIfError();
al_resampler_index = al_default_resampler_index;
numResamplers = qalGetInteger(AL_NUM_RESAMPLERS_SOFT);
alDieIfError();
for (i = 0; i < numResamplers; i++) {
const ALchar* resamplerName = qalGetStringiSOFT(AL_RESAMPLER_NAME_SOFT, i);
if (Q_stristr(resamplerName, "spline")) {
Com_Printf("OpenAL: Using %s as the resampler.\n", resamplerName);
al_resampler_index = i;
break;
}
}
#endif
Com_Printf("AL_VENDOR: %s\n", qalGetString(AL_VENDOR));
alDieIfError();
@ -534,6 +555,11 @@ static bool S_OPENAL_InitChannel(int idx, openal_channel *chan)
qalSourcei(chan->source, AL_SOURCE_RELATIVE, true);
alDieIfError();
#ifdef AL_SOFT_source_resampler
qalSourcei(chan->source, AL_SOURCE_RESAMPLER_SOFT, al_resampler_index);
alDieIfError();
#endif
return true;
}
@ -713,6 +739,8 @@ void S_OPENAL_Shutdown()
s_bProvidersEmunerated = false;
al_initialized = false;
QAL_Shutdown();
}
/*