]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - snd_main.c
add apparently not yet working optimization flags to Mem_ExpandableArray function...
[xonotic/darkplaces.git] / snd_main.c
index 8d6a1354a4caa600c40f777d56d4f6a9eb5e3948..46600ca7b013ccfdcf2369705110b81a31553319 100644 (file)
@@ -471,7 +471,10 @@ void S_Startup (void)
        qboolean fixed_speed, fixed_width, fixed_channels;
        snd_format_t chosen_fmt;
        static snd_format_t prev_render_format = {0, 0, 0};
-       const char* env;
+       char* env;
+#if _MSC_VER >= 1400
+       size_t envlen;
+#endif
        int i;
 
        if (!snd_initialized.integer)
@@ -487,22 +490,43 @@ void S_Startup (void)
        chosen_fmt.channels = snd_channels.integer;
 
        // Check the environment variables to see if the player wants a particular sound format
+#if _MSC_VER >= 1400
+       _dupenv_s(&env, &envlen, "QUAKE_SOUND_CHANNELS");
+#else
        env = getenv("QUAKE_SOUND_CHANNELS");
+#endif
        if (env != NULL)
        {
                chosen_fmt.channels = atoi (env);
+#if _MSC_VER >= 1400
+               free(env);
+#endif
                fixed_channels = true;
        }
+#if _MSC_VER >= 1400
+       _dupenv_s(&env, &envlen, "QUAKE_SOUND_SPEED");
+#else
        env = getenv("QUAKE_SOUND_SPEED");
+#endif
        if (env != NULL)
        {
                chosen_fmt.speed = atoi (env);
+#if _MSC_VER >= 1400
+               free(env);
+#endif
                fixed_speed = true;
        }
+#if _MSC_VER >= 1400
+       _dupenv_s(&env, &envlen, "QUAKE_SOUND_SAMPLEBITS");
+#else
        env = getenv("QUAKE_SOUND_SAMPLEBITS");
+#endif
        if (env != NULL)
        {
                chosen_fmt.width = atoi (env) / 8;
+#if _MSC_VER >= 1400
+               free(env);
+#endif
                fixed_width = true;
        }
 
@@ -896,7 +920,7 @@ void S_FreeSfx (sfx_t *sfx, qboolean force)
        // Stop all channels using this sfx
        for (i = 0; i < total_channels; i++)
                if (channels[i].sfx == sfx)
-                       S_StopChannel (i);
+                       S_StopChannel (i, true);
 
        // Free it
        if (sfx->fetcher != NULL && sfx->fetcher->free != NULL)
@@ -1082,7 +1106,7 @@ channel_t *SND_PickChannel(int entnum, int entchannel)
                        if (ch->entnum == entnum && (ch->entchannel == entchannel || entchannel == -1) )
                        {
                                // always override sound from same entity
-                               S_StopChannel (ch_idx);
+                               S_StopChannel (ch_idx, true);
                                return &channels[ch_idx];
                        }
                }
@@ -1196,9 +1220,10 @@ void SND_Spatialize(channel_t *ch, qboolean isstatic)
 void S_PlaySfxOnChannel (sfx_t *sfx, channel_t *target_chan, unsigned int flags, vec3_t origin, float fvol, float attenuation, qboolean isstatic)
 {
        // Initialize the channel
+       // We MUST set sfx LAST because otherwise we could crash a threaded mixer
+       // (otherwise we'd have to call SndSys_LockRenderBuffer here)
        memset (target_chan, 0, sizeof (*target_chan));
        VectorCopy (origin, target_chan->origin);
-       target_chan->sfx = sfx;
        target_chan->flags = flags;
        target_chan->pos = 0; // start of the sound
 
@@ -1215,7 +1240,12 @@ void S_PlaySfxOnChannel (sfx_t *sfx, channel_t *target_chan, unsigned int flags,
        // Lock the SFX during play
        S_LockSfx (sfx);
 
-       // and finally, apply the volume
+       // finally, set the sfx pointer, so the channel becomes valid for playback
+       // and will be noticed by the mixer
+       target_chan->sfx = sfx;
+
+       // we have to set the channel volume AFTER the sfx because the function
+       // needs it for replaygain support
        S_SetChannelVolume(target_chan - channels, fvol);
 }
 
@@ -1260,7 +1290,7 @@ int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
        return (target_chan - channels);
 }
 
-void S_StopChannel (unsigned int channel_ind)
+void S_StopChannel (unsigned int channel_ind, qboolean lockmutex)
 {
        channel_t *ch;
 
@@ -1272,6 +1302,12 @@ void S_StopChannel (unsigned int channel_ind)
        {
                sfx_t *sfx = ch->sfx;
 
+               // we have to lock an audio mutex to prevent crashes if an audio mixer
+               // thread is currently mixing this channel
+               // the SndSys_LockRenderBuffer function uses such a mutex in
+               // threaded sound backends
+               if (lockmutex)
+                       SndSys_LockRenderBuffer();
                if (sfx->fetcher != NULL)
                {
                        snd_fetcher_endsb_t fetcher_endsb = sfx->fetcher->endsb;
@@ -1284,6 +1320,8 @@ void S_StopChannel (unsigned int channel_ind)
 
                ch->fetcher_data = NULL;
                ch->sfx = NULL;
+               if (lockmutex)
+                       SndSys_UnlockRenderBuffer();
        }
 }
 
@@ -1313,7 +1351,7 @@ void S_StopSound(int entnum, int entchannel)
        for (i = 0; i < MAX_DYNAMIC_CHANNELS; i++)
                if (channels[i].entnum == entnum && channels[i].entchannel == entchannel)
                {
-                       S_StopChannel (i);
+                       S_StopChannel (i, true);
                        return;
                }
 }
@@ -1331,7 +1369,7 @@ void S_StopAllSounds (void)
        CDAudio_Stop();
 
        for (i = 0; i < total_channels; i++)
-               S_StopChannel (i);
+               S_StopChannel (i, true);
 
        total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS;   // no statics
        memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
@@ -1587,12 +1625,11 @@ static void S_PaintAndSubmit (void)
                S_MixToBuffer(&snd_renderbuffer->ring[startoffset * snd_renderbuffer->format.width * snd_renderbuffer->format.channels], nbframes);
 
                paintedtime += nbframes;
+               snd_renderbuffer->endframe = paintedtime;
        }
        if (!simsound)
                SndSys_UnlockRenderBuffer();
 
-       snd_renderbuffer->endframe = endtime;
-
        // Remove outdated samples from the ring buffer, if any
        if (snd_renderbuffer->startframe < soundtime)
                snd_renderbuffer->startframe = soundtime;
@@ -1603,6 +1640,8 @@ static void S_PaintAndSubmit (void)
                SndSys_Submit();
 
        oldsoundtime = soundtime;
+
+       cls.soundstats.latency_milliseconds = (snd_renderbuffer->endframe - snd_renderbuffer->startframe) * 1000 / snd_renderbuffer->format.speed;
 }
 
 /*
@@ -1614,7 +1653,7 @@ Called once each time through the main loop
 */
 void S_Update(const matrix4x4_t *listenermatrix)
 {
-       unsigned int i, j, total;
+       unsigned int i, j, k;
        channel_t *ch, *combine;
        matrix4x4_t basematrix, rotatematrix;
 
@@ -1652,11 +1691,14 @@ void S_Update(const matrix4x4_t *listenermatrix)
        combine = NULL;
 
        // update spatialization for static and dynamic sounds
+       cls.soundstats.totalsounds = 0;
+       cls.soundstats.mixedsounds = 0;
        ch = channels+NUM_AMBIENTS;
        for (i=NUM_AMBIENTS ; i<total_channels; i++, ch++)
        {
                if (!ch->sfx)
                        continue;
+               cls.soundstats.totalsounds++;
 
                // respatialize channel
                SND_Spatialize(ch, i >= MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS);
@@ -1694,29 +1736,18 @@ void S_Update(const matrix4x4_t *listenermatrix)
                                }
                        }
                }
+               for (k = 0;k < SND_LISTENERS;k++)
+                       if (ch->listener_volume[k])
+                               break;
+               if (k < SND_LISTENERS)
+                       cls.soundstats.mixedsounds++;
        }
 
        sound_spatialized = true;
 
        // debugging output
        if (snd_show.integer)
-       {
-               total = 0;
-               ch = channels;
-               for (i=0 ; i<total_channels; i++, ch++)
-               {
-                       if (ch->sfx)
-                       {
-                               for (j = 0;j < SND_LISTENERS;j++)
-                                       if (ch->listener_volume[j])
-                                               break;
-                               if (j < SND_LISTENERS)
-                                       total++;
-                       }
-               }
-
-               Con_Printf("----(%u)----\n", total);
-       }
+               Con_Printf("----(%u)----\n", cls.soundstats.mixedsounds);
 
        S_PaintAndSubmit();
 }