2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // snd_main.c -- main control for any streaming sound output device
31 void S_SoundList(void);
35 // =======================================================================
36 // Internal sound data & structures
37 // =======================================================================
39 channel_t channels[MAX_CHANNELS];
40 unsigned int total_channels;
43 cvar_t snd_initialized = { CVAR_READONLY, "snd_initialized", "0"};
44 cvar_t snd_streaming = { CVAR_SAVE, "snd_streaming", "1"};
46 volatile dma_t *shm = 0;
49 vec3_t listener_origin;
50 matrix4x4_t listener_matrix;
51 vec_t sound_nominal_clip_dist=1000.0;
52 mempool_t *snd_mempool;
57 // Linked list of known sfx
58 sfx_t *known_sfx = NULL;
60 qboolean sound_started = false;
61 qboolean sound_spatialized = false;
63 // Fake dma is a synchronous faking of the DMA progress used for
64 // isolating performance in the renderer.
65 qboolean fakedma = false;
67 cvar_t bgmvolume = {CVAR_SAVE, "bgmvolume", "1"};
68 cvar_t volume = {CVAR_SAVE, "volume", "0.7"};
69 cvar_t snd_staticvolume = {CVAR_SAVE, "snd_staticvolume", "1"};
71 cvar_t nosound = {0, "nosound", "0"};
72 cvar_t snd_precache = {0, "snd_precache", "1"};
73 cvar_t bgmbuffer = {0, "bgmbuffer", "4096"};
74 cvar_t ambient_level = {0, "ambient_level", "0.3"};
75 cvar_t ambient_fade = {0, "ambient_fade", "100"};
76 cvar_t snd_noextraupdate = {0, "snd_noextraupdate", "0"};
77 cvar_t snd_show = {0, "snd_show", "0"};
78 cvar_t _snd_mixahead = {CVAR_SAVE, "_snd_mixahead", "0.1"};
79 cvar_t snd_swapstereo = {CVAR_SAVE, "snd_swapstereo", "0"};
82 sfx_t* ambient_sfxs [2] = { NULL, NULL };
83 const char* ambient_names [2] = { "sound/ambience/water1.wav", "sound/ambience/wind2.wav" };
86 // ====================================================================
88 // ====================================================================
90 void S_FreeSfx (sfx_t *sfx, qboolean force);
93 void S_SoundInfo_f(void)
97 Con_Print("sound system not started\n");
101 Con_Printf("%5d stereo\n", shm->format.channels - 1);
102 Con_Printf("%5d samples\n", shm->samples);
103 Con_Printf("%5d samplepos\n", shm->samplepos);
104 Con_Printf("%5d samplebits\n", shm->format.width * 8);
105 Con_Printf("%5d speed\n", shm->format.speed);
106 Con_Printf("%p dma buffer\n", shm->buffer);
107 Con_Printf("%5u total_channels\n", total_channels);
113 if (!snd_initialized.integer)
117 memset((void *)shm, 0, sizeof(*shm));
119 // create a piece of DMA memory
122 shm->format.width = 2;
123 shm->format.speed = 22050;
124 shm->format.channels = 2;
125 shm->samples = 32768;
127 shm->buffer = Mem_Alloc(snd_mempool, shm->format.channels * shm->samples * shm->format.width);
133 Con_Print("S_Startup: SNDDMA_Init failed.\n");
135 sound_started = false;
136 sound_spatialized = false;
141 sound_started = true;
143 Con_DPrintf("Sound sampling rate: %i\n", shm->format.speed);
146 void S_Shutdown(void)
152 Mem_Free(shm->buffer);
157 sound_started = false;
158 sound_spatialized = false;
161 void S_Restart_f(void)
174 Con_DPrint("\nSound Initialization\n");
176 Cvar_RegisterVariable(&volume);
177 Cvar_RegisterVariable(&bgmvolume);
178 Cvar_RegisterVariable(&snd_staticvolume);
180 // COMMANDLINEOPTION: Sound: -nosound disables sound (including CD audio)
181 if (COM_CheckParm("-nosound") || COM_CheckParm("-safe"))
184 snd_mempool = Mem_AllocPool("sound", 0, NULL);
186 // COMMANDLINEOPTION: Sound: -simsound runs sound mixing but with no output
187 if (COM_CheckParm("-simsound"))
190 Cmd_AddCommand("play", S_Play);
191 Cmd_AddCommand("play2", S_Play2);
192 Cmd_AddCommand("playvol", S_PlayVol);
193 Cmd_AddCommand("stopsound", S_StopAllSounds);
194 Cmd_AddCommand("soundlist", S_SoundList);
195 Cmd_AddCommand("soundinfo", S_SoundInfo_f);
196 Cmd_AddCommand("snd_restart", S_Restart_f);
198 Cvar_RegisterVariable(&nosound);
199 Cvar_RegisterVariable(&snd_precache);
200 Cvar_RegisterVariable(&snd_initialized);
201 Cvar_RegisterVariable(&snd_streaming);
202 Cvar_RegisterVariable(&bgmbuffer);
203 Cvar_RegisterVariable(&ambient_level);
204 Cvar_RegisterVariable(&ambient_fade);
205 Cvar_RegisterVariable(&snd_noextraupdate);
206 Cvar_RegisterVariable(&snd_show);
207 Cvar_RegisterVariable(&_snd_mixahead);
208 Cvar_RegisterVariable(&snd_swapstereo); // for people with backwards sound wiring
210 Cvar_SetValueQuick(&snd_initialized, true);
214 total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS; // no statics
215 memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
225 Shutdown and free all resources
228 void S_Terminate (void)
234 while (known_sfx != NULL)
235 S_FreeSfx (known_sfx, true);
237 Cvar_SetValueQuick (&snd_initialized, false);
238 Mem_FreePool (&snd_mempool);
242 // =======================================================================
244 // =======================================================================
252 sfx_t *S_FindName (const char *name)
256 if (!snd_initialized.integer)
259 if (strlen (name) >= sizeof (sfx->name))
260 Host_Error ("S_FindName: sound name too long (%s)", name);
262 // Look for this sound in the list of known sfx
263 for (sfx = known_sfx; sfx != NULL; sfx = sfx->next)
264 if(!strcmp (sfx->name, name))
267 // Add a sfx_t struct for this sound
268 sfx = Mem_Alloc (snd_mempool, sizeof (*sfx));
269 memset (sfx, 0, sizeof(*sfx));
270 strlcpy (sfx->name, name, sizeof (sfx->name));
271 sfx->next = known_sfx;
284 void S_FreeSfx (sfx_t *sfx, qboolean force)
286 // Never free a locked sfx unless forced
287 if (!force && (sfx->locks > 0 || (sfx->flags & SFXFLAG_PERMANENTLOCK)))
290 Con_DPrintf ("S_FreeSfx: freeing %s\n", sfx->name);
292 // Remove it from the list of known sfx
293 if (sfx == known_sfx)
294 known_sfx = known_sfx->next;
299 for (prev_sfx = known_sfx; prev_sfx != NULL; prev_sfx = prev_sfx->next)
300 if (prev_sfx->next == sfx)
302 prev_sfx->next = sfx->next;
305 if (prev_sfx == NULL)
307 Con_Printf ("S_FreeSfx: Can't find SFX %s in the list!\n", sfx->name);
313 Mem_FreePool (&sfx->mempool);
324 void S_ServerSounds (char serversound [][MAX_QPATH], unsigned int numsounds)
330 // Start the ambient sounds and make them loop
331 for (i = 0; i < sizeof (ambient_sfxs) / sizeof (ambient_sfxs[0]); i++)
333 // Precache it if it's not done (request a lock to make sure it will never be freed)
334 if (ambient_sfxs[i] == NULL)
335 ambient_sfxs[i] = S_PrecacheSound (ambient_names[i], false, true);
336 if (ambient_sfxs[i] != NULL)
338 // Add a lock to the SFX while playing. It will be
339 // removed by S_StopAllSounds at the end of the level
340 S_LockSfx (ambient_sfxs[i]);
342 channels[i].sfx = ambient_sfxs[i];
343 channels[i].flags |= CHANNELFLAG_FORCELOOP;
344 channels[i].master_vol = 0;
348 // Remove 1 lock from all sfx with the SFXFLAG_SERVERSOUND flag, and remove the flag
349 for (sfx = known_sfx; sfx != NULL; sfx = sfx->next)
350 if (sfx->flags & SFXFLAG_SERVERSOUND)
353 sfx->flags &= ~SFXFLAG_SERVERSOUND;
356 // Add 1 lock and the SFXFLAG_SERVERSOUND flag to each sfx in "serversound"
357 for (i = 1; i < numsounds; i++)
359 sfx = S_FindName (serversound[i]);
363 sfx->flags |= SFXFLAG_SERVERSOUND;
367 // Free all unlocked sfx
368 for (sfx = known_sfx;sfx;sfx = sfxnext)
371 S_FreeSfx (sfx, false);
382 sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean lock)
386 if (!snd_initialized.integer)
389 sfx = S_FindName (name);
396 if (!nosound.integer && snd_precache.integer)
397 S_LoadSound(sfx, complain);
409 void S_LockSfx (sfx_t *sfx)
418 Remove a lock from a SFX
421 void S_UnlockSfx (sfx_t *sfx)
427 //=============================================================================
433 Picks a channel based on priorities, empty slots, number of channels
436 channel_t *SND_PickChannel(int entnum, int entchannel)
443 // Check for replacement sound, or find the best one to replace
445 life_left = 0x7fffffff;
446 for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
448 ch = &channels[ch_idx];
449 if (entchannel != 0 // channel 0 never overrides
450 && ch->entnum == entnum
451 && (ch->entchannel == entchannel || entchannel == -1) )
452 { // always override sound from same entity
453 first_to_die = ch_idx;
457 // don't let monster sounds override player sounds
458 if (ch->entnum == cl.viewentity && entnum != cl.viewentity && ch->sfx)
461 // don't override looped sounds
462 if ((ch->flags & CHANNELFLAG_FORCELOOP) != 0 ||
463 (ch->sfx != NULL && ch->sfx->loopstart >= 0))
466 if (ch->end - paintedtime < life_left)
468 life_left = ch->end - paintedtime;
469 first_to_die = ch_idx;
473 if (first_to_die == -1)
476 S_StopChannel (first_to_die);
478 return &channels[first_to_die];
485 Spatializes a channel
488 void SND_Spatialize(channel_t *ch, qboolean isstatic)
490 vec_t dist, scale, pan;
493 // anything coming from the view entity will always be full volume
494 // LordHavoc: make sounds with ATTN_NONE have no spatialization
495 if (ch->entnum == cl.viewentity || ch->dist_mult == 0)
497 ch->leftvol = ch->master_vol;
498 ch->rightvol = ch->master_vol;
502 // update sound origin if we know about the entity
503 if (ch->entnum > 0 && cls.state == ca_connected && cl_entities[ch->entnum].render.model)
505 //Con_Printf("-- entnum %i origin %f %f %f neworigin %f %f %f\n", ch->entnum, ch->origin[0], ch->origin[1], ch->origin[2], cl_entities[ch->entnum].persistent.trail_origin[0], cl_entities[ch->entnum].persistent.trail_origin[1], cl_entities[ch->entnum].persistent.trail_origin[2]);
506 VectorCopy(cl_entities[ch->entnum].persistent.trail_origin, ch->origin);
509 // calculate stereo seperation and distance attenuation
510 Matrix4x4_Transform(&listener_matrix, ch->origin, source_vec);
511 dist = VectorNormalizeLength(source_vec);
513 scale = ch->master_vol * (1.0 - (dist * ch->dist_mult));
515 pan = scale * source_vec[1];
516 // calculate the volumes
517 ch->leftvol = (int) (scale + pan);
518 ch->rightvol = (int) (scale - pan);
519 //Con_Printf("%f %f %f:%f %f %f:%f %f:%d %d\n", ch->origin[0], ch->origin[1], ch->origin[2], source_vec[0], source_vec[1], source_vec[2], scale, pan, ch->leftvol, ch->rightvol);
522 // Adjust volume of static sounds
525 ch->leftvol *= snd_staticvolume.value;
526 ch->rightvol *= snd_staticvolume.value;
530 ch->leftvol = bound(0, ch->leftvol, 255);
531 ch->rightvol = bound(0, ch->rightvol, 255);
535 // =======================================================================
536 // Start a sound effect
537 // =======================================================================
539 void S_PlaySfxOnChannel (sfx_t *sfx, channel_t *target_chan, unsigned int flags, vec3_t origin, float fvol, float attenuation, qboolean isstatic)
541 // Initialize the channel
542 memset (target_chan, 0, sizeof (*target_chan));
543 VectorCopy (origin, target_chan->origin);
544 target_chan->master_vol = fvol * 255;
545 target_chan->sfx = sfx;
546 target_chan->end = paintedtime + sfx->total_length;
547 target_chan->lastptime = paintedtime;
548 target_chan->flags = flags;
550 // If it's a static sound
553 if (sfx->loopstart == -1)
554 Con_DPrintf("Quake compatibility warning: Static sound \"%s\" is not looped\n", sfx->name);
555 target_chan->dist_mult = attenuation / (64.0f * sound_nominal_clip_dist);
558 target_chan->dist_mult = attenuation / sound_nominal_clip_dist;
560 // Lock the SFX during play
565 int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
567 channel_t *target_chan, *check;
571 if (!sound_started || !sfx || nosound.integer)
575 Con_DPrintf ("S_StartSound: \"%s\" hasn't been precached\n", sfx->name);
579 if (entnum && entnum >= cl_max_entities)
580 CL_ExpandEntities(entnum);
582 // Pick a channel to play on
583 target_chan = SND_PickChannel(entnum, entchannel);
587 S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_NONE, origin, fvol, attenuation, false);
588 target_chan->entnum = entnum;
589 target_chan->entchannel = entchannel;
591 SND_Spatialize(target_chan, false);
593 // if an identical sound has also been started this frame, offset the pos
594 // a bit to keep it from just making the first one louder
595 check = &channels[NUM_AMBIENTS];
596 for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++, check++)
598 if (check == target_chan)
600 if (check->sfx == sfx && !check->pos)
602 skip = 0.1 * sfx->format.speed;
603 if (skip > sfx->total_length)
604 skip = sfx->total_length;
606 skip = rand() % skip;
607 target_chan->pos += skip;
608 target_chan->end -= skip;
613 return (target_chan - channels);
616 void S_StopChannel (unsigned int channel_ind)
620 if (channel_ind >= total_channels)
623 ch = &channels[channel_ind];
626 sfx_t *sfx = ch->sfx;
628 if (sfx->fetcher != NULL)
630 snd_fetcher_end_t fetcher_end = sfx->fetcher->end;
631 if (fetcher_end != NULL)
635 // Remove the lock it holds
644 qboolean S_SetChannelFlag (unsigned int ch_ind, unsigned int flag, qboolean value)
646 if (ch_ind >= total_channels)
649 if (flag != CHANNELFLAG_FORCELOOP &&
650 flag != CHANNELFLAG_PAUSED &&
651 flag != CHANNELFLAG_FULLVOLUME)
655 channels[ch_ind].flags |= flag;
657 channels[ch_ind].flags &= ~flag;
662 void S_StopSound(int entnum, int entchannel)
666 for (i = 0; i < MAX_DYNAMIC_CHANNELS; i++)
667 if (channels[i].entnum == entnum && channels[i].entchannel == entchannel)
674 void S_StopAllSounds (void)
682 for (i = 0; i < total_channels; i++)
685 total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS; // no statics
686 memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
688 // Clear sound buffer
689 pbuf = S_LockBuffer();
692 int setsize = shm->samples * shm->format.width;
693 int clear = (shm->format.width == 1) ? 0x80 : 0;
695 // FIXME: is it (still) true? (check with OSS and ALSA)
696 // on i586/i686 optimized versions of glibc, glibc *wrongly* IMO,
697 // reads the memory area before writing to it causing a seg fault
698 // since the memory is PROT_WRITE only and not PROT_READ|PROT_WRITE
699 //memset(shm->buffer, clear, shm->samples * shm->format.width);
707 void S_PauseGameSounds (qboolean toggle)
711 for (i = 0; i < total_channels; i++)
716 if (ch->sfx != NULL && ! (ch->flags & CHANNELFLAG_LOCALSOUND))
717 S_SetChannelFlag (i, CHANNELFLAG_PAUSED, toggle);
721 void S_SetChannelVolume (unsigned int ch_ind, float fvol)
723 channels[ch_ind].master_vol = fvol * 255;
732 void S_StaticSound (sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
734 channel_t *target_chan;
736 if (!sound_started || !sfx || nosound.integer)
740 Con_DPrintf ("S_StaticSound: \"%s\" hasn't been precached\n", sfx->name);
744 if (total_channels == MAX_CHANNELS)
746 Con_Print("S_StaticSound: total_channels == MAX_CHANNELS\n");
750 target_chan = &channels[total_channels++];
751 S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_FORCELOOP, origin, fvol, attenuation, true);
753 SND_Spatialize (target_chan, true);
757 //=============================================================================
761 S_UpdateAmbientSounds
765 void S_UpdateAmbientSounds (void)
770 qbyte ambientlevels[NUM_AMBIENTS];
772 if (ambient_level.value <= 0 || !cl.worldmodel || !cl.worldmodel->brush.AmbientSoundLevelsForPoint)
775 cl.worldmodel->brush.AmbientSoundLevelsForPoint(cl.worldmodel, listener_origin, ambientlevels, sizeof(ambientlevels));
777 // Calc ambient sound levels
778 for (ambient_channel = 0 ; ambient_channel< NUM_AMBIENTS ; ambient_channel++)
780 chan = &channels[ambient_channel];
781 if (chan->sfx == NULL || chan->sfx->fetcher == NULL)
784 vol = ambient_level.value * ambientlevels[ambient_channel];
788 // Don't adjust volume too fast
789 if (chan->master_vol < vol)
791 chan->master_vol += host_realframetime * ambient_fade.value;
792 if (chan->master_vol > vol)
793 chan->master_vol = vol;
795 else if (chan->master_vol > vol)
797 chan->master_vol -= host_realframetime * ambient_fade.value;
798 if (chan->master_vol < vol)
799 chan->master_vol = vol;
802 chan->leftvol = chan->rightvol = chan->master_vol;
811 Called once each time through the main loop
814 void S_Update(const matrix4x4_t *listenermatrix)
816 unsigned int i, j, total;
817 channel_t *ch, *combine;
819 if (!snd_initialized.integer || (snd_blocked > 0))
822 Matrix4x4_Invert_Simple(&listener_matrix, listenermatrix);
823 Matrix4x4_OriginFromMatrix(listenermatrix, listener_origin);
825 // update general area ambient sound sources
826 S_UpdateAmbientSounds ();
830 // update spatialization for static and dynamic sounds
831 ch = channels+NUM_AMBIENTS;
832 for (i=NUM_AMBIENTS ; i<total_channels; i++, ch++)
836 SND_Spatialize(ch, i >= MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS); // respatialize channel
837 if (!ch->leftvol && !ch->rightvol)
840 // try to combine static sounds with a previous channel of the same
841 // sound effect so we don't mix five torches every frame
842 if (i > MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS)
844 // see if it can just use the last one
845 if (combine && combine->sfx == ch->sfx)
847 combine->leftvol += ch->leftvol;
848 combine->rightvol += ch->rightvol;
849 ch->leftvol = ch->rightvol = 0;
853 combine = channels+MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS;
854 for (j=MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS ; j<i; j++, combine++)
855 if (combine->sfx == ch->sfx)
858 if (j == total_channels)
864 combine->leftvol += ch->leftvol;
865 combine->rightvol += ch->rightvol;
866 ch->leftvol = ch->rightvol = 0;
873 sound_spatialized = true;
876 if (snd_show.integer)
880 for (i=0 ; i<total_channels; i++, ch++)
881 if (ch->sfx && (ch->leftvol || ch->rightvol) )
884 Con_Printf("----(%u)----\n", total);
890 void GetSoundtime(void)
894 static int oldsamplepos;
897 fullsamples = shm->samples / shm->format.channels;
899 // it is possible to miscount buffers if it has wrapped twice between
900 // calls to S_Update. Oh well.
901 samplepos = SNDDMA_GetDMAPos();
903 if (samplepos < oldsamplepos)
905 buffers++; // buffer wrapped
907 if (paintedtime > 0x40000000)
908 { // time to chop things off to avoid 32 bit limits
910 paintedtime = fullsamples;
914 oldsamplepos = samplepos;
916 soundtime = buffers * fullsamples + samplepos / shm->format.channels;
919 void S_ExtraUpdate (void)
921 if (snd_noextraupdate.integer || !sound_spatialized)
932 if (!sound_started || (snd_blocked > 0))
938 // check to make sure that we haven't overshot
939 if (paintedtime < soundtime)
940 paintedtime = soundtime;
942 // mix ahead of current position
943 endtime = soundtime + _snd_mixahead.value * shm->format.speed;
944 samps = shm->samples >> (shm->format.channels - 1);
945 if (endtime > (unsigned int)(soundtime + samps))
946 endtime = soundtime + samps;
948 S_PaintChannels (endtime);
954 ===============================================================================
958 ===============================================================================
961 static void S_Play_Common(float fvol, float attenuation)
971 strlcpy(name, Cmd_Argv(i), sizeof(name));
972 if (!strrchr(name, '.'))
973 strlcat(name, ".wav", sizeof(name));
976 // If we need to get the volume from the command line
979 fvol = atof(Cmd_Argv(i));
983 sfx = S_PrecacheSound (name, true, false);
986 ch_ind = S_StartSound(-1, 0, sfx, listener_origin, fvol, attenuation);
988 // Free the sfx if the file didn't exist
990 S_FreeSfx (sfx, false);
992 channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;
999 S_Play_Common (1.0f, 1.0f);
1004 S_Play_Common (1.0f, 0.0f);
1007 void S_PlayVol(void)
1009 S_Play_Common (-1.0f, 0.0f);
1012 void S_SoundList(void)
1019 for (sfx = known_sfx, i = 0; sfx != NULL; sfx = sfx->next, i++)
1021 if (sfx->fetcher != NULL)
1023 size = sfx->mempool->totalsize;
1025 Con_Printf ("%c%c%c%c(%2db, %6s) %8i : %s\n",
1026 (sfx->loopstart >= 0) ? 'L' : ' ',
1027 (sfx->flags & SFXFLAG_STREAMED) ? 'S' : ' ',
1028 (sfx->locks > 0) ? 'K' : ' ',
1029 (sfx->flags & SFXFLAG_PERMANENTLOCK) ? 'P' : ' ',
1030 sfx->format.width * 8,
1031 (sfx->format.channels == 1) ? "mono" : "stereo",
1036 Con_Printf (" ( unknown ) unloaded : %s\n", sfx->name);
1038 Con_Printf("Total resident: %i\n", total);
1042 qboolean S_LocalSound (const char *sound)
1047 if (!snd_initialized.integer || nosound.integer)
1050 sfx = S_PrecacheSound (sound, true, false);
1053 Con_Printf("S_LocalSound: can't precache %s\n", sound);
1057 // Local sounds must not be freed
1058 sfx->flags |= SFXFLAG_PERMANENTLOCK;
1060 ch_ind = S_StartSound (cl.viewentity, 0, sfx, vec3_origin, 1, 0);
1064 channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;