]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - snd_main.c
replace funky !!a ^ !!b XOR usage by a new boolxor(a, b) macro that does that interna...
[xonotic/darkplaces.git] / snd_main.c
index 310a93b60fc3aa7533862314831676d8159769a3..d71974a1d47d0de70eb8cea2c1e9ba02e30acd7f 100644 (file)
@@ -146,7 +146,6 @@ static double snd_starttime = 0.0;
 
 vec3_t listener_origin;
 matrix4x4_t listener_matrix[SND_LISTENERS];
-vec_t sound_nominal_clip_dist=1000.0;
 mempool_t *snd_mempool;
 
 // Linked list of known sfx
@@ -168,11 +167,13 @@ cvar_t bgmvolume = {CVAR_SAVE, "bgmvolume", "1", "volume of background music (su
 cvar_t volume = {CVAR_SAVE, "volume", "0.7", "volume of sound effects"};
 cvar_t snd_initialized = { CVAR_READONLY, "snd_initialized", "0", "indicates the sound subsystem is active"};
 cvar_t snd_staticvolume = {CVAR_SAVE, "snd_staticvolume", "1", "volume of ambient sound effects (such as swampy sounds at the start of e1m2)"};
+cvar_t snd_soundradius = {0, "snd_soundradius", "2000", "radius of weapon sounds and other standard sound effects (monster idle noises are half this radius and flickering light noises are one third of this radius)"};
 
 // Cvars declared in snd_main.h (shared with other snd_*.c files)
 cvar_t _snd_mixahead = {CVAR_SAVE, "_snd_mixahead", "0.1", "how much sound to mix ahead of time"};
 cvar_t snd_streaming = { CVAR_SAVE, "snd_streaming", "1", "enables keeping compressed ogg sound files compressed, decompressing them only as needed, otherwise they will be decompressed completely at load (may use a lot of memory)"};
 cvar_t snd_swapstereo = {CVAR_SAVE, "snd_swapstereo", "0", "swaps left/right speakers for old ISA soundblaster cards"};
+extern cvar_t v_flipped;
 cvar_t snd_channellayout = {0, "snd_channellayout", "0", "channel layout. Can be 0 (auto - snd_restart needed), 1 (standard layout), or 2 (ALSA layout)"};
 
 // Local cvars
@@ -268,7 +269,7 @@ static void S_SoundList_f (void)
                        size = sfx->memsize;
                        format = sfx->fetcher->getfmt(sfx);
                        Con_Printf ("%c%c%c%c(%2db, %6s) %8i : %s\n",
-                                               (sfx->loopstart >= 0) ? 'L' : ' ',
+                                               (sfx->loopstart < sfx->total_length) ? 'L' : ' ',
                                                (sfx->flags & SFXFLAG_STREAMED) ? 'S' : ' ',
                                                (sfx->locks > 0) ? 'K' : ' ',
                                                (sfx->flags & SFXFLAG_PERMANENTLOCK) ? 'P' : ' ',
@@ -301,6 +302,12 @@ void S_SoundInfo_f(void)
 }
 
 
+int S_GetSoundRate(void)
+{
+       return snd_renderbuffer ? snd_renderbuffer->format.speed : 0;
+}
+
+
 static qboolean S_ChooseCheaperFormat (snd_format_t* format, qboolean fixed_speed, qboolean fixed_width, qboolean fixed_channels)
 {
        static const snd_format_t thresholds [] =
@@ -394,7 +401,7 @@ static void S_SetChannelLayout (void)
        listeners = snd_speakerlayout.listeners;
 
        // Swap the left and right channels if snd_swapstereo is set
-       if (snd_swapstereo.integer)
+       if (boolxor(snd_swapstereo.integer, v_flipped.integer))
        {
                switch (snd_speakerlayout.channels)
                {
@@ -448,7 +455,7 @@ static void S_SetChannelLayout (void)
                                   (layout == SND_CHANNELLAYOUT_ALSA) ? "ALSA" : "standard");
        }
 
-       current_swapstereo = snd_swapstereo.integer;
+       current_swapstereo = boolxor(snd_swapstereo.integer, v_flipped.integer);
        current_channellayout = snd_channellayout.integer;
        current_channellayout_used = layout;
 }
@@ -627,9 +634,12 @@ void S_Startup (void)
                           chosen_fmt.speed, chosen_fmt.channels, chosen_fmt.width * 8);
 
        // Update the cvars
-       snd_speed.integer = chosen_fmt.speed;
-       snd_width.integer = chosen_fmt.width;
-       snd_channels.integer = chosen_fmt.channels;
+       if (snd_speed.integer != (int)chosen_fmt.speed)
+               Cvar_SetValueQuick(&snd_speed, chosen_fmt.speed);
+       if (snd_width.integer != chosen_fmt.width)
+               Cvar_SetValueQuick(&snd_width, chosen_fmt.width);
+       if (snd_channels.integer != chosen_fmt.channels)
+               Cvar_SetValueQuick(&snd_channels, chosen_fmt.channels);
 
        current_channellayout_used = SND_CHANNELLAYOUT_AUTO;
        S_SetChannelLayout();
@@ -699,7 +709,7 @@ void S_Init(void)
        Cvar_RegisterVariable(&snd_channels);
 
 // COMMANDLINEOPTION: Sound: -nosound disables sound (including CD audio)
-       if (COM_CheckParm("-nosound") || COM_CheckParm("-safe"))
+       if (COM_CheckParm("-nosound"))
                return;
 
        snd_mempool = Mem_AllocPool("sound", 0, NULL);
@@ -715,6 +725,7 @@ void S_Init(void)
        Cmd_AddCommand("soundlist", S_SoundList_f, "list loaded sounds");
        Cmd_AddCommand("soundinfo", S_SoundInfo_f, "print sound system information (such as channels and speed)");
        Cmd_AddCommand("snd_restart", S_Restart_f, "restart sound system");
+       Cmd_AddCommand("snd_unloadallsounds", S_UnloadAllSounds_f, "unload all sound files");
 
        Cvar_RegisterVariable(&nosound);
        Cvar_RegisterVariable(&snd_precache);
@@ -727,6 +738,7 @@ void S_Init(void)
        Cvar_RegisterVariable(&_snd_mixahead);
        Cvar_RegisterVariable(&snd_swapstereo); // for people with backwards sound wiring
        Cvar_RegisterVariable(&snd_channellayout);
+       Cvar_RegisterVariable(&snd_soundradius);
 
        Cvar_SetValueQuick(&snd_initialized, true);
 
@@ -760,6 +772,28 @@ void S_Terminate (void)
 }
 
 
+/*
+==================
+S_UnloadAllSounds_f
+==================
+*/
+void S_UnloadAllSounds_f (void)
+{
+       int i;
+
+       // stop any active sounds
+       S_StopAllSounds();
+
+       // because the ambient sounds will be freed, clear the pointers
+       for (i = 0;i < (int)sizeof (ambient_sfxs) / (int)sizeof (ambient_sfxs[0]);i++)
+               ambient_sfxs[i] = NULL;
+
+       // now free all sounds
+       while (known_sfx != NULL)
+               S_FreeSfx (known_sfx, true);
+}
+
+
 /*
 ==================
 S_FindName
@@ -779,6 +813,7 @@ sfx_t *S_FindName (const char *name)
        }
 
        // Look for this sound in the list of known sfx
+       // TODO: hash table search?
        for (sfx = known_sfx; sfx != NULL; sfx = sfx->next)
                if(!strcmp (sfx->name, name))
                        return sfx;
@@ -885,6 +920,9 @@ void S_ServerSounds (char serversound [][MAX_QPATH], unsigned int numsounds)
                sfx = S_FindName (serversound[i]);
                if (sfx != NULL)
                {
+                       // clear the FILEMISSING flag so that S_LoadSound will try again on a
+                       // previously missing file
+                       sfx->flags &= ~ SFXFLAG_FILEMISSING;
                        S_LockSfx (sfx);
                        sfx->flags |= SFXFLAG_SERVERSOUND;
                }
@@ -915,9 +953,14 @@ sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean lock)
                return NULL;
 
        sfx = S_FindName (name);
+
        if (sfx == NULL)
                return NULL;
 
+       // clear the FILEMISSING flag so that S_LoadSound will try again on a
+       // previously missing file
+       sfx->flags &= ~ SFXFLAG_FILEMISSING;
+
        if (lock)
                S_LockSfx (sfx);
 
@@ -1001,41 +1044,42 @@ channel_t *SND_PickChannel(int entnum, int entchannel)
 // Check for replacement sound, or find the best one to replace
        first_to_die = -1;
        first_life_left = 0x7fffffff;
-       for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
+
+       // entity channels try to replace the existing sound on the channel
+       if (entchannel != 0)
        {
-               ch = &channels[ch_idx];
-               if (entchannel != 0)
+               for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
                {
-                       // try to override an existing channel
+                       ch = &channels[ch_idx];
                        if (ch->entnum == entnum && (ch->entchannel == entchannel || entchannel == -1) )
                        {
                                // always override sound from same entity
-                               first_to_die = ch_idx;
-                               break;
+                               S_StopChannel (ch_idx);
+                               return &channels[ch_idx];
                        }
                }
-               else
+       }
+
+       // there was no channel to override, so look for the first empty one
+       for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
+       {
+               ch = &channels[ch_idx];
+               if (!ch->sfx)
                {
-                       if (!ch->sfx)
-                       {
-                               // no sound on this channel
-                               first_to_die = ch_idx;
-                               break;
-                       }
+                       // no sound on this channel
+                       first_to_die = ch_idx;
+                       break;
                }
 
-               if (ch->sfx)
-               {
-                       // don't let monster sounds override player sounds
-                       if (ch->entnum == cl.viewentity && entnum != cl.viewentity)
-                               continue;
+               // don't let monster sounds override player sounds
+               if (ch->entnum == cl.viewentity && entnum != cl.viewentity)
+                       continue;
 
-                       // don't override looped sounds
-                       if ((ch->flags & CHANNELFLAG_FORCELOOP) || ch->sfx->loopstart >= 0)
-                               continue;
-               }
+               // don't override looped sounds
+               if ((ch->flags & CHANNELFLAG_FORCELOOP) || ch->sfx->loopstart < ch->sfx->total_length)
+                       continue;
+               life_left = ch->sfx->total_length - ch->pos;
 
-               life_left = (int)(ch->end - snd_renderbuffer->endframe);
                if (life_left < first_life_left)
                {
                        first_life_left = life_left;
@@ -1046,8 +1090,6 @@ channel_t *SND_PickChannel(int entnum, int entchannel)
        if (first_to_die == -1)
                return NULL;
 
-       S_StopChannel (first_to_die);
-
        return &channels[first_to_die];
 }
 
@@ -1122,19 +1164,18 @@ void S_PlaySfxOnChannel (sfx_t *sfx, channel_t *target_chan, unsigned int flags,
        VectorCopy (origin, target_chan->origin);
        target_chan->master_vol = (int)(fvol * 255);
        target_chan->sfx = sfx;
-       target_chan->end = snd_renderbuffer->endframe + sfx->total_length;
-       target_chan->lastptime = snd_renderbuffer->endframe;
        target_chan->flags = flags;
+       target_chan->pos = 0; // start of the sound
 
        // If it's a static sound
        if (isstatic)
        {
-               if (sfx->loopstart == -1)
+               if (sfx->loopstart >= sfx->total_length)
                        Con_DPrintf("Quake compatibility warning: Static sound \"%s\" is not looped\n", sfx->name);
-               target_chan->dist_mult = attenuation / (64.0f * sound_nominal_clip_dist);
+               target_chan->dist_mult = attenuation / (64.0f * snd_soundradius.value);
        }
        else
-               target_chan->dist_mult = attenuation / sound_nominal_clip_dist;
+               target_chan->dist_mult = attenuation / snd_soundradius.value;
 
        // Lock the SFX during play
        S_LockSfx (sfx);
@@ -1145,7 +1186,6 @@ int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
 {
        channel_t *target_chan, *check;
        int             ch_idx;
-       int             skip;
 
        if (snd_renderbuffer == NULL || sfx == NULL || nosound.integer)
                return -1;
@@ -1176,13 +1216,8 @@ int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
                        continue;
                if (check->sfx == sfx && !check->pos)
                {
-                       skip = (int)(0.1 * snd_renderbuffer->format.speed);
-                       if (skip > (int)sfx->total_length)
-                               skip = (int)sfx->total_length;
-                       if (skip > 0)
-                               skip = rand() % skip;
-                       target_chan->pos += skip;
-                       target_chan->end -= skip;
+                       // use negative pos offset to delay this sound effect
+                       target_chan->pos += (int)lhrandom(0, -0.1 * snd_renderbuffer->format.speed);
                        break;
                }
        }
@@ -1214,7 +1249,6 @@ void S_StopChannel (unsigned int channel_ind)
 
                ch->sfx = NULL;
        }
-       ch->end = 0;
 }
 
 
@@ -1248,6 +1282,7 @@ void S_StopSound(int entnum, int entchannel)
                }
 }
 
+extern void CDAudio_Stop(void);
 void S_StopAllSounds (void)
 {
        unsigned int i;
@@ -1256,6 +1291,9 @@ void S_StopAllSounds (void)
        if (snd_renderbuffer == NULL)
                return;
 
+       // stop CD audio because it may be using a faketrack
+       CDAudio_Stop();
+
        for (i = 0; i < total_channels; i++)
                S_StopChannel (i);
 
@@ -1357,17 +1395,20 @@ void S_UpdateAmbientSounds (void)
 
                // Don't adjust volume too fast
                // FIXME: this rounds off to an int each frame, meaning there is little to no fade at extremely high framerates!
-               if (chan->master_vol < vol)
-               {
-                       chan->master_vol += (int)(cl.realframetime * ambient_fade.value);
-                       if (chan->master_vol > vol)
-                               chan->master_vol = vol;
-               }
-               else if (chan->master_vol > vol)
+               if (cl.time > cl.oldtime)
                {
-                       chan->master_vol -= (int)(cl.realframetime * ambient_fade.value);
                        if (chan->master_vol < vol)
-                               chan->master_vol = vol;
+                       {
+                               chan->master_vol += (int)((cl.time - cl.oldtime) * ambient_fade.value);
+                               if (chan->master_vol > vol)
+                                       chan->master_vol = vol;
+                       }
+                       else if (chan->master_vol > vol)
+                       {
+                               chan->master_vol -= (int)((cl.time - cl.oldtime) * ambient_fade.value);
+                               if (chan->master_vol < vol)
+                                       chan->master_vol = vol;
+                       }
                }
 
                for (i = 0;i < SND_LISTENERS;i++)
@@ -1378,25 +1419,53 @@ void S_UpdateAmbientSounds (void)
 static void S_PaintAndSubmit (void)
 {
        unsigned int newsoundtime, paintedtime, endtime, maxtime, usedframes;
+       qboolean usesoundtimehack;
+       static qboolean soundtimehack = true;
 
        if (snd_renderbuffer == NULL || nosound.integer)
                return;
 
-       if (snd_blocked > 0 && !cls.capturevideo_soundfile)
-               return;
-
        // Update sound time
-       if (cls.capturevideo_soundfile) // SUPER NASTY HACK to record non-realtime sound
-               newsoundtime = (unsigned int)((double)cls.capturevideo_frame * (double)snd_renderbuffer->format.speed / (double)cls.capturevideo_framerate);
+       usesoundtimehack = true;
+       if (cls.timedemo) // SUPER NASTY HACK to mix non-realtime sound for more reliable benchmarking
+               newsoundtime = (unsigned int)((double)cl.mtime[0] * (double)snd_renderbuffer->format.speed);
+       else if (cls.capturevideo.soundrate && !cls.capturevideo.realtime) // SUPER NASTY HACK to record non-realtime sound
+               newsoundtime = (unsigned int)((double)cls.capturevideo.frame * (double)snd_renderbuffer->format.speed / (double)cls.capturevideo.framerate);
        else if (simsound)
                newsoundtime = (unsigned int)((realtime - snd_starttime) * (double)snd_renderbuffer->format.speed);
        else
+       {
                newsoundtime = SndSys_GetSoundTime();
+               usesoundtimehack = false;
+       }
+       // if the soundtimehack state changes we need to reset the soundtime
+       if (soundtimehack != usesoundtimehack)
+       {
+               snd_renderbuffer->startframe = snd_renderbuffer->endframe = soundtime = newsoundtime;
+
+               // Mute the contents of the submission buffer
+               if (simsound || SndSys_LockRenderBuffer ())
+               {
+                       int clear;
+                       size_t memsize;
+
+                       clear = (snd_renderbuffer->format.width == 1) ? 0x80 : 0;
+                       memsize = snd_renderbuffer->maxframes * snd_renderbuffer->format.width * snd_renderbuffer->format.channels;
+                       memset(snd_renderbuffer->ring, clear, memsize);
+
+                       if (!simsound)
+                               SndSys_UnlockRenderBuffer ();
+               }
+       }
+       soundtimehack = usesoundtimehack;
+
+       if (!soundtimehack && snd_blocked > 0)
+               return;
 
        newsoundtime += extrasoundtime;
        if (newsoundtime < soundtime)
        {
-               if ((cls.capturevideo_soundfile != NULL) != recording_sound)
+               if ((cls.capturevideo.soundrate != 0) != recording_sound)
                {
                        unsigned int additionaltime;
 
@@ -1413,12 +1482,12 @@ static void S_PaintAndSubmit (void)
                        Con_DPrintf("S_PaintAndSubmit: new extra sound time = %u\n",
                                                extrasoundtime);
                }
-               else
+               else if (!soundtimehack)
                        Con_Printf("S_PaintAndSubmit: WARNING: newsoundtime < soundtime (%u < %u)\n",
                                           newsoundtime, soundtime);
        }
        soundtime = newsoundtime;
-       recording_sound = (cls.capturevideo_soundfile != NULL);
+       recording_sound = (cls.capturevideo.soundrate != 0);
 
        // Check to make sure that we haven't overshot
        paintedtime = snd_renderbuffer->endframe;
@@ -1455,11 +1524,8 @@ void S_Update(const matrix4x4_t *listenermatrix)
        if (snd_renderbuffer == NULL || nosound.integer)
                return;
 
-       if (snd_blocked > 0 && !cls.capturevideo_soundfile)
-               return;
-
        // If snd_swapstereo or snd_channellayout has changed, recompute the channel layout
-       if (current_swapstereo != snd_swapstereo.integer ||
+       if (current_swapstereo != boolxor(snd_swapstereo.integer, v_flipped.integer) ||
                current_channellayout != snd_channellayout.integer)
                S_SetChannelLayout();