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OpenAL support code, slightly cleaner.
git-svn-id: https://svn.code.sf.net/p/fteqw/code/branches/wip@3675 fc73d0e0-1445-4013-8a0c-d673dee63da5
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parent
6553fbe917
commit
7b06062137
3 changed files with 52 additions and 75 deletions
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@ -42,9 +42,9 @@ qboolean snd_initialized = false;
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int snd_speed;
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vec3_t listener_origin;
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vec3_t listener_forward;
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vec3_t listener_right;
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vec3_t listener_up;
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vec3_t listener_forward = {1, 0, 0};
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vec3_t listener_right = {0, 1, 0};
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vec3_t listener_up = {0, 0, 1};
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vec_t sound_nominal_clip_dist=1000.0;
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int soundtime; // sample PAIRS
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@ -605,7 +605,7 @@ typedef struct {
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} sdriver_t;
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sdriver_t drivers[] = {
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//in order of preference
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{"OpenAL", &pOPENAL_InitCard}, //yay, get someone else to sort out sound support, woot
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{"DSound", &pDSOUND_InitCard}, //prefered on windows
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{"MacOS", &pMacOS_InitCard}, //prefered on mac
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{"AHI", &pAHI_InitCard}, //prefered on morphos
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@ -614,6 +614,7 @@ sdriver_t drivers[] = {
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{"ALSA", &pALSA_InitCard}, //pure shite
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{"OSS", &pOSS_InitCard}, //good, but not likely to work any more
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{"OpenAL", &pOPENAL_InitCard}, //yay, get someone else to sort out sound support, woot
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{"WaveOut", &pWAV_InitCard}, //doesn't work properly in vista, etc.
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{NULL, NULL}
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};
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@ -1045,7 +1046,8 @@ void S_Init (void)
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snd_initialized = true;
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known_sfx = Hunk_AllocName (MAX_SFX*sizeof(sfx_t), "sfx_t");
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if (!known_sfx)
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known_sfx = Hunk_AllocName (MAX_SFX*sizeof(sfx_t), "sfx_t");
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num_sfx = 0;
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// create a piece of DMA memory
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@ -1311,14 +1313,18 @@ void S_StartSoundCard(soundcardinfo_t *sc, int entnum, int entchannel, sfx_t *sf
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if (nosound.ival)
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return;
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if (!pitchadj)
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pitchadj = 100;
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#ifdef AVAIL_OPENAL
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if (sc->openal)
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OpenAL_StartSound(entnum, entchannel, sfx, origin, fvol, attenuation);
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{
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OpenAL_StartSound(entnum, entchannel, sfx, origin, fvol, attenuation, pitchadj / 100.0f);
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return;
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}
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#endif
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vol = fvol*255;
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if (!pitchadj)
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pitchadj = 100;
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// pick a channel to play on
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target_chan = SND_PickChannel(sc, entnum, entchannel);
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@ -542,34 +542,44 @@ void SND_ResampleStream (void *in, int inrate, int inwidth, int inchannels, int
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ResampleSfx
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================
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*/
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void ResampleSfx (sfx_t *sfx, int inrate, int inwidth, qbyte *data)
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void ResampleSfx (sfx_t *sfx, int inrate, int inchannels, int inwidth, int insamps, int inloopstart, qbyte *data)
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{
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extern cvar_t snd_linearresample;
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double scale;
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sfxcache_t *sc;
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int insamps, outsamps;
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int outsamps;
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int len;
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int outwidth;
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sc = Cache_Check (&sfx->cache);
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if (!sc)
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return;
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insamps = sc->length;
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scale = snd_speed / (double)inrate;
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outsamps = insamps * scale;
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sc->length = outsamps;
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if (sc->loopstart != -1)
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sc->loopstart = sc->loopstart * scale;
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sc->speed = snd_speed;
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if (loadas8bit.ival)
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sc->width = 1;
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if (loadas8bit.ival < 0)
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outwidth = 2;
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else if (loadas8bit.ival)
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outwidth = 1;
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else
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sc->width = inwidth;
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outwidth = inwidth;
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len = outsamps * outwidth * inchannels;
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sc = Cache_Alloc (&sfx->cache, len + sizeof(sfxcache_t), sfx->name);
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if (!sc)
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{
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return;
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}
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sc->numchannels = inchannels;
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sc->width = outwidth;
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sc->speed = snd_speed;
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sc->length = outsamps;
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if (inloopstart == -1)
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sc->loopstart = inloopstart;
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else
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sc->loopstart = inloopstart * scale;
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SND_ResampleStream (data,
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inrate,
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inwidth,
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sc->numchannels,
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inchannels,
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insamps,
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sc->data,
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sc->speed,
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@ -663,8 +673,6 @@ sfxcache_t *S_LoadDoomSpeakerSound (sfx_t *s, qbyte *data, int datalen, int snds
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sfxcache_t *S_LoadDoomSound (sfx_t *s, qbyte *data, int datalen, int sndspeed)
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{
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sfxcache_t *sc;
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// format data from Unofficial Doom Specs v1.6
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unsigned short *dataus;
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int samples, rate, len;
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@ -686,36 +694,17 @@ sfxcache_t *S_LoadDoomSound (sfx_t *s, qbyte *data, int datalen, int sndspeed)
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if (datalen != samples)
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return NULL;
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len = (int)((double)samples * (double)snd_speed / (double)rate);
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COM_CharBias(data, sc->length);
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sc = Cache_Alloc (&s->cache, len + sizeof(sfxcache_t), s->name);
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if (!sc)
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{
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return NULL;
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}
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ResampleSfx (s, rate, 1, 1, samples, -1, data);
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sc->length = samples;
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sc->loopstart = -1;
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sc->numchannels = 1;
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sc->width = 1;
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sc->speed = rate;
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if (sc->width == 1)
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COM_CharBias(data, sc->length);
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else if (sc->width == 2)
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COM_SwapLittleShortBlock((short *)data, sc->length);
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ResampleSfx (s, sc->speed, sc->width, data);
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return sc;
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return Cache_Check(&s->cache);
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}
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#endif
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sfxcache_t *S_LoadWavSound (sfx_t *s, qbyte *data, int datalen, int sndspeed)
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{
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wavinfo_t info;
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int len;
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sfxcache_t *sc;
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if (datalen < 4 || strncmp(data, "RIFF", 4))
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return NULL;
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@ -728,29 +717,14 @@ sfxcache_t *S_LoadWavSound (sfx_t *s, qbyte *data, int datalen, int sndspeed)
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return NULL;
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}
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len = (int) ((double) info.samples * (double) snd_speed / (double) info.rate);
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len = len * info.width * info.numchannels;
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if (info.width == 1)
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COM_CharBias(data + info.dataofs, info.samples*info.numchannels);
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else if (info.width == 2)
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COM_SwapLittleShortBlock((short *)(data + info.dataofs), info.samples*info.numchannels);
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sc = Cache_Alloc ( &s->cache, len + sizeof(sfxcache_t), s->name);
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if (!sc)
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{
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return NULL;
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}
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sc->length = info.samples;
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sc->loopstart = info.loopstart;
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sc->speed = info.rate;
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sc->width = info.width;
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sc->numchannels = info.numchannels;
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ResampleSfx (s, info.rate, info.numchannels, info.width, info.samples, info.loopstart, data + info.dataofs);
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if (sc->width == 1)
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COM_CharBias(data + info.dataofs, sc->length*sc->numchannels);
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else if (sc->width == 2)
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COM_SwapLittleShortBlock((short *)(data + info.dataofs), sc->length*sc->numchannels);
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ResampleSfx (s, sc->speed, sc->width, data + info.dataofs);
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return sc;
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return Cache_Check(&s->cache);
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}
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sfxcache_t *S_LoadOVSound (sfx_t *s, qbyte *data, int datalen, int sndspeed);
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@ -890,9 +864,6 @@ sfxcache_t *S_LoadSound (sfx_t *s)
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s->failedload = false;
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#ifdef AVAIL_OPENAL
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OpenAL_LoadSound(s, sc, com_filesize, data);
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#endif
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for (i = sizeof(AudioInputPlugins)/sizeof(AudioInputPlugins[0])-1; i >= 0; i--)
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{
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if (AudioInputPlugins[i])
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@ -160,7 +160,7 @@ qboolean S_Voip_Speaking(unsigned int plno);
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#endif
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qboolean S_IsPlayingSomewhere(sfx_t *s);
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void ResampleSfx (sfx_t *sfx, int inrate, int inwidth, qbyte *data);
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void ResampleSfx (sfx_t *sfx, int inrate, int inchannels, int inwidth, int insamps, int inloopstart, qbyte *data);
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// picks a channel based on priorities, empty slots, number of channels
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channel_t *SND_PickChannel(soundcardinfo_t *sc, int entnum, int entchannel);
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@ -185,8 +185,8 @@ void SNDVC_MicInput(qbyte *buffer, int samples, int freq, int width);
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#ifdef AVAIL_OPENAL
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void OpenAL_LoadSound (sfx_t *s, sfxcache_t *sc, size_t size, void *data);
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void OpenAL_StartSound(int entnum, int entchannel, sfx_t * sfx, vec3_t origin, float fvol, float attenuation);
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void OpenAL_LoadCache(sfx_t *s, sfxcache_t *sc);
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void OpenAL_StartSound(int entnum, int entchannel, sfx_t * sfx, vec3_t origin, float fvol, float attenuation, float pitchscale);
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void OpenAL_Update_Listener(vec3_t origin, vec3_t forward, vec3_t right, vec3_t up);
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void OpenAL_CvarInit(void);
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#endif
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