]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - snd_main.c
new cvar: mastervolume (controlling both volume and bgmvolume)
[xonotic/darkplaces.git] / snd_main.c
index 03b1358d161a79e2562dce42c4535b1cfecf5db3..ce04f8051d93f901a78e01ebbff919b910139bf7 100644 (file)
@@ -24,6 +24,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "snd_main.h"
 #include "snd_ogg.h"
 #include "snd_modplug.h"
+#include "csprogs.h"
+#include "cl_collision.h"
 
 
 #define SND_MIN_SPEED 8000
@@ -32,27 +34,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #define SND_MAX_WIDTH 2
 #define SND_MIN_CHANNELS 1
 #define SND_MAX_CHANNELS 8
-
 #if SND_LISTENERS != 8
 #      error this data only supports up to 8 channel, update it!
 #endif
-typedef struct listener_s
-{
-       float yawangle;
-       float dotscale;
-       float dotbias;
-       float ambientvolume;
-}
-listener_t;
-typedef struct speakerlayout_s
-{
-       const char *name;
-       unsigned int channels;
-       listener_t listeners[SND_LISTENERS];
-}
-speakerlayout_t;
 
-static speakerlayout_t snd_speakerlayout;
+speakerlayout_t snd_speakerlayout;
 
 // Our speaker layouts are based on ALSA. They differ from those
 // Win32 and Mac OS X APIs use when there's more than 4 channels.
@@ -63,27 +49,27 @@ static const speakerlayout_t snd_speakerlayouts[] =
        {
                "surround71", 8,
                {
-                       {45, 0.2, 0.2, 0.5}, // front left
-                       {315, 0.2, 0.2, 0.5}, // front right
-                       {135, 0.2, 0.2, 0.5}, // rear left
-                       {225, 0.2, 0.2, 0.5}, // rear right
-                       {0, 0.2, 0.2, 0.5}, // front center
-                       {0, 0, 0, 0}, // lfe (we don't have any good lfe sound sources and it would take some filtering work to generate them (and they'd probably still be wrong), so...  no lfe)
-                       {90, 0.2, 0.2, 0.5}, // side left
-                       {180, 0.2, 0.2, 0.5}, // side right
+                       {0, 45, 0.2, 0.2, 0.5}, // front left
+                       {1, 315, 0.2, 0.2, 0.5}, // front right
+                       {2, 135, 0.2, 0.2, 0.5}, // rear left
+                       {3, 225, 0.2, 0.2, 0.5}, // rear right
+                       {4, 0, 0.2, 0.2, 0.5}, // front center
+                       {5, 0, 0, 0, 0}, // lfe (we don't have any good lfe sound sources and it would take some filtering work to generate them (and they'd probably still be wrong), so...  no lfe)
+                       {6, 90, 0.2, 0.2, 0.5}, // side left
+                       {7, 180, 0.2, 0.2, 0.5}, // side right
                }
        },
        {
                "surround51", 6,
                {
-                       {45, 0.2, 0.2, 0.5}, // front left
-                       {315, 0.2, 0.2, 0.5}, // front right
-                       {135, 0.2, 0.2, 0.5}, // rear left
-                       {225, 0.2, 0.2, 0.5}, // rear right
-                       {0, 0.2, 0.2, 0.5}, // front center
-                       {0, 0, 0, 0}, // lfe (we don't have any good lfe sound sources and it would take some filtering work to generate them (and they'd probably still be wrong), so...  no lfe)
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
+                       {0, 45, 0.2, 0.2, 0.5}, // front left
+                       {1, 315, 0.2, 0.2, 0.5}, // front right
+                       {2, 135, 0.2, 0.2, 0.5}, // rear left
+                       {3, 225, 0.2, 0.2, 0.5}, // rear right
+                       {4, 0, 0.2, 0.2, 0.5}, // front center
+                       {5, 0, 0, 0, 0}, // lfe (we don't have any good lfe sound sources and it would take some filtering work to generate them (and they'd probably still be wrong), so...  no lfe)
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
                }
        },
        {
@@ -91,14 +77,14 @@ static const speakerlayout_t snd_speakerlayouts[] =
                // channel of its own
                "surround40", 4,
                {
-                       {45, 0.3, 0.3, 0.8}, // front left
-                       {315, 0.3, 0.3, 0.8}, // front right
-                       {135, 0.3, 0.3, 0.8}, // rear left
-                       {225, 0.3, 0.3, 0.8}, // rear right
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
+                       {0, 45, 0.3, 0.3, 0.8}, // front left
+                       {1, 315, 0.3, 0.3, 0.8}, // front right
+                       {2, 135, 0.3, 0.3, 0.8}, // rear left
+                       {3, 225, 0.3, 0.3, 0.8}, // rear right
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
                }
        },
        {
@@ -106,27 +92,27 @@ static const speakerlayout_t snd_speakerlayouts[] =
                // channel of its own
                "stereo", 2,
                {
-                       {90, 0.5, 0.5, 1}, // side left
-                       {270, 0.5, 0.5, 1}, // side right
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
+                       {0, 90, 0.5, 0.5, 1}, // side left
+                       {1, 270, 0.5, 0.5, 1}, // side right
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
                }
        },
        {
                "mono", 1,
                {
-                       {0, 0, 1, 1}, // center
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
-                       {0, 0, 0, 0},
+                       {0, 0, 0, 1, 1}, // center
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
+                       {0, 0, 0, 0, 0},
                }
        }
 };
@@ -140,10 +126,12 @@ channel_t channels[MAX_CHANNELS];
 unsigned int total_channels;
 
 snd_ringbuffer_t *snd_renderbuffer = NULL;
-unsigned int soundtime = 0;
+static unsigned int soundtime = 0;
 static unsigned int oldpaintedtime = 0;
 static unsigned int extrasoundtime = 0;
 static double snd_starttime = 0.0;
+qboolean snd_threaded = false;
+qboolean snd_usethreadedmixing = false;
 
 vec3_t listener_origin;
 matrix4x4_t listener_matrix[SND_LISTENERS];
@@ -163,20 +151,64 @@ static int current_swapstereo = false;
 static int current_channellayout = SND_CHANNELLAYOUT_AUTO;
 static int current_channellayout_used = SND_CHANNELLAYOUT_AUTO;
 
+static float spatialpower, spatialmin, spatialdiff, spatialoffset, spatialfactor;
+typedef enum { SPATIAL_NONE, SPATIAL_LOG, SPATIAL_POW, SPATIAL_THRESH } spatialmethod_t;
+spatialmethod_t spatialmethod;
+
 // Cvars declared in sound.h (part of the sound API)
 cvar_t bgmvolume = {CVAR_SAVE, "bgmvolume", "1", "volume of background music (such as CD music or replacement files such as sound/cdtracks/track002.ogg)"};
+cvar_t mastervolume = {CVAR_SAVE, "mastervolume", "0.7", "master volume"};
 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)"};
+cvar_t snd_soundradius = {CVAR_SAVE, "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)"};
+cvar_t snd_spatialization_min_radius = {CVAR_SAVE, "snd_spatialization_min_radius", "10000", "use minimum spatialization above to this radius"};
+cvar_t snd_spatialization_max_radius = {CVAR_SAVE, "snd_spatialization_max_radius", "100", "use maximum spatialization below this radius"};
+cvar_t snd_spatialization_min = {CVAR_SAVE, "snd_spatialization_min", "0.70", "minimum spatializazion of sounds"};
+cvar_t snd_spatialization_max = {CVAR_SAVE, "snd_spatialization_max", "0.95", "maximum spatialization of sounds"};
+cvar_t snd_spatialization_power = {CVAR_SAVE, "snd_spatialization_power", "0", "exponent of the spatialization falloff curve (0: logarithmic)"};
+cvar_t snd_spatialization_control = {CVAR_SAVE, "snd_spatialization_control", "0", "enable spatialization control (headphone friendly mode)"};
+cvar_t snd_spatialization_occlusion = {CVAR_SAVE, "snd_spatialization_occlusion", "1", "enable occlusion testing on spatialized sounds, which simply quiets sounds that are blocked by the world"};
 
 // 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_mixahead = {CVAR_SAVE, "_snd_mixahead", "0.15", "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)"};
 cvar_t snd_mutewhenidle = {CVAR_SAVE, "snd_mutewhenidle", "1", "whether to disable sound output when game window is inactive"};
+cvar_t snd_entchannel0volume = {CVAR_SAVE, "snd_entchannel0volume", "1", "volume multiplier of the auto-allocate entity channel of regular entities"};
+cvar_t snd_entchannel1volume = {CVAR_SAVE, "snd_entchannel1volume", "1", "volume multiplier of the 1st entity channel of regular entities"};
+cvar_t snd_entchannel2volume = {CVAR_SAVE, "snd_entchannel2volume", "1", "volume multiplier of the 2nd entity channel of regular entities"};
+cvar_t snd_entchannel3volume = {CVAR_SAVE, "snd_entchannel3volume", "1", "volume multiplier of the 3rd entity channel of regular entities"};
+cvar_t snd_entchannel4volume = {CVAR_SAVE, "snd_entchannel4volume", "1", "volume multiplier of the 4th entity channel of regular entities"};
+cvar_t snd_entchannel5volume = {CVAR_SAVE, "snd_entchannel5volume", "1", "volume multiplier of the 5th entity channel of regular entities"};
+cvar_t snd_entchannel6volume = {CVAR_SAVE, "snd_entchannel6volume", "1", "volume multiplier of the 6th entity channel of regular entities"};
+cvar_t snd_entchannel7volume = {CVAR_SAVE, "snd_entchannel7volume", "1", "volume multiplier of the 7th entity channel of regular entities"};
+cvar_t snd_playerchannel0volume = {CVAR_SAVE, "snd_playerchannel0volume", "1", "volume multiplier of the auto-allocate entity channel of player entities"};
+cvar_t snd_playerchannel1volume = {CVAR_SAVE, "snd_playerchannel1volume", "1", "volume multiplier of the 1st entity channel of player entities"};
+cvar_t snd_playerchannel2volume = {CVAR_SAVE, "snd_playerchannel2volume", "1", "volume multiplier of the 2nd entity channel of player entities"};
+cvar_t snd_playerchannel3volume = {CVAR_SAVE, "snd_playerchannel3volume", "1", "volume multiplier of the 3rd entity channel of player entities"};
+cvar_t snd_playerchannel4volume = {CVAR_SAVE, "snd_playerchannel4volume", "1", "volume multiplier of the 4th entity channel of player entities"};
+cvar_t snd_playerchannel5volume = {CVAR_SAVE, "snd_playerchannel5volume", "1", "volume multiplier of the 5th entity channel of player entities"};
+cvar_t snd_playerchannel6volume = {CVAR_SAVE, "snd_playerchannel6volume", "1", "volume multiplier of the 6th entity channel of player entities"};
+cvar_t snd_playerchannel7volume = {CVAR_SAVE, "snd_playerchannel7volume", "1", "volume multiplier of the 7th entity channel of player entities"};
+cvar_t snd_worldchannel0volume = {CVAR_SAVE, "snd_worldchannel0volume", "1", "volume multiplier of the auto-allocate entity channel of the world entity"};
+cvar_t snd_worldchannel1volume = {CVAR_SAVE, "snd_worldchannel1volume", "1", "volume multiplier of the 1st entity channel of the world entity"};
+cvar_t snd_worldchannel2volume = {CVAR_SAVE, "snd_worldchannel2volume", "1", "volume multiplier of the 2nd entity channel of the world entity"};
+cvar_t snd_worldchannel3volume = {CVAR_SAVE, "snd_worldchannel3volume", "1", "volume multiplier of the 3rd entity channel of the world entity"};
+cvar_t snd_worldchannel4volume = {CVAR_SAVE, "snd_worldchannel4volume", "1", "volume multiplier of the 4th entity channel of the world entity"};
+cvar_t snd_worldchannel5volume = {CVAR_SAVE, "snd_worldchannel5volume", "1", "volume multiplier of the 5th entity channel of the world entity"};
+cvar_t snd_worldchannel6volume = {CVAR_SAVE, "snd_worldchannel6volume", "1", "volume multiplier of the 6th entity channel of the world entity"};
+cvar_t snd_worldchannel7volume = {CVAR_SAVE, "snd_worldchannel7volume", "1", "volume multiplier of the 7th entity channel of the world entity"};
+cvar_t snd_csqcchannel0volume = {CVAR_SAVE, "snd_csqcchannel0volume", "1", "volume multiplier of the auto-allocate entity channel of the world entity"};
+cvar_t snd_csqcchannel1volume = {CVAR_SAVE, "snd_csqcchannel1volume", "1", "volume multiplier of the 1st entity channel of the world entity"};
+cvar_t snd_csqcchannel2volume = {CVAR_SAVE, "snd_csqcchannel2volume", "1", "volume multiplier of the 2nd entity channel of the world entity"};
+cvar_t snd_csqcchannel3volume = {CVAR_SAVE, "snd_csqcchannel3volume", "1", "volume multiplier of the 3rd entity channel of the world entity"};
+cvar_t snd_csqcchannel4volume = {CVAR_SAVE, "snd_csqcchannel4volume", "1", "volume multiplier of the 4th entity channel of the world entity"};
+cvar_t snd_csqcchannel5volume = {CVAR_SAVE, "snd_csqcchannel5volume", "1", "volume multiplier of the 5th entity channel of the world entity"};
+cvar_t snd_csqcchannel6volume = {CVAR_SAVE, "snd_csqcchannel6volume", "1", "volume multiplier of the 6th entity channel of the world entity"};
+cvar_t snd_csqcchannel7volume = {CVAR_SAVE, "snd_csqcchannel7volume", "1", "volume multiplier of the 7th entity channel of the world entity"};
 
 // Local cvars
 static cvar_t nosound = {0, "nosound", "0", "disables sound"};
@@ -225,13 +257,13 @@ static void S_Play_Common (float fvol, float attenuation)
                        i++;
                }
 
-               sfx = S_PrecacheSound (name, true, false);
+               sfx = S_PrecacheSound (name, true, true);
                if (sfx)
                {
                        ch_ind = S_StartSound (-1, 0, sfx, listener_origin, fvol, attenuation);
 
                        // Free the sfx if the file didn't exist
-                       if (ch_ind < 0)
+                       if (!sfx->fetcher)
                                S_FreeSfx (sfx, false);
                        else
                                channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;
@@ -309,6 +341,11 @@ int S_GetSoundRate(void)
        return snd_renderbuffer ? snd_renderbuffer->format.speed : 0;
 }
 
+int S_GetSoundChannels(void)
+{
+       return snd_renderbuffer ? snd_renderbuffer->format.channels : 0;
+}
+
 
 static qboolean S_ChooseCheaperFormat (snd_format_t* format, qboolean fixed_speed, qboolean fixed_width, qboolean fixed_channels)
 {
@@ -469,7 +506,10 @@ 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)
@@ -485,22 +525,43 @@ 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;
        }
 
@@ -593,7 +654,7 @@ void S_Startup (void)
                accepted = false;
                do
                {
-                       Con_DPrintf("S_Startup: initializing sound output format: %dHz, %d bit, %d channels...\n",
+                       Con_Printf("S_Startup: initializing sound output format: %dHz, %d bit, %d channels...\n",
                                                chosen_fmt.speed, chosen_fmt.width * 8,
                                                chosen_fmt.channels);
 
@@ -602,7 +663,7 @@ void S_Startup (void)
 
                        if (!accepted)
                        {
-                               Con_DPrintf("S_Startup: sound output initialization FAILED\n");
+                               Con_Printf("S_Startup: sound output initialization FAILED\n");
 
                                // If the module is suggesting another one
                                if (suggest_fmt.speed != 0)
@@ -658,7 +719,7 @@ void S_Startup (void)
                // some modules write directly to a shared (DMA) buffer
                extrasoundtime = oldpaintedtime + snd_renderbuffer->maxframes - 1;
                extrasoundtime -= extrasoundtime % snd_renderbuffer->maxframes;
-               Con_DPrintf("S_Startup: extra sound time = %u\n", extrasoundtime);
+               Con_Printf("S_Startup: extra sound time = %u\n", extrasoundtime);
 
                soundtime = extrasoundtime;
        }
@@ -709,11 +770,50 @@ S_Init
 */
 void S_Init(void)
 {
-       Con_DPrint("\nSound Initialization\n");
-
        Cvar_RegisterVariable(&volume);
        Cvar_RegisterVariable(&bgmvolume);
+       Cvar_RegisterVariable(&mastervolume);
        Cvar_RegisterVariable(&snd_staticvolume);
+       Cvar_RegisterVariable(&snd_entchannel0volume);
+       Cvar_RegisterVariable(&snd_entchannel1volume);
+       Cvar_RegisterVariable(&snd_entchannel2volume);
+       Cvar_RegisterVariable(&snd_entchannel3volume);
+       Cvar_RegisterVariable(&snd_entchannel4volume);
+       Cvar_RegisterVariable(&snd_entchannel5volume);
+       Cvar_RegisterVariable(&snd_entchannel6volume);
+       Cvar_RegisterVariable(&snd_entchannel7volume);
+       Cvar_RegisterVariable(&snd_worldchannel0volume);
+       Cvar_RegisterVariable(&snd_worldchannel1volume);
+       Cvar_RegisterVariable(&snd_worldchannel2volume);
+       Cvar_RegisterVariable(&snd_worldchannel3volume);
+       Cvar_RegisterVariable(&snd_worldchannel4volume);
+       Cvar_RegisterVariable(&snd_worldchannel5volume);
+       Cvar_RegisterVariable(&snd_worldchannel6volume);
+       Cvar_RegisterVariable(&snd_worldchannel7volume);
+       Cvar_RegisterVariable(&snd_playerchannel0volume);
+       Cvar_RegisterVariable(&snd_playerchannel1volume);
+       Cvar_RegisterVariable(&snd_playerchannel2volume);
+       Cvar_RegisterVariable(&snd_playerchannel3volume);
+       Cvar_RegisterVariable(&snd_playerchannel4volume);
+       Cvar_RegisterVariable(&snd_playerchannel5volume);
+       Cvar_RegisterVariable(&snd_playerchannel6volume);
+       Cvar_RegisterVariable(&snd_playerchannel7volume);
+       Cvar_RegisterVariable(&snd_csqcchannel0volume);
+       Cvar_RegisterVariable(&snd_csqcchannel1volume);
+       Cvar_RegisterVariable(&snd_csqcchannel2volume);
+       Cvar_RegisterVariable(&snd_csqcchannel3volume);
+       Cvar_RegisterVariable(&snd_csqcchannel4volume);
+       Cvar_RegisterVariable(&snd_csqcchannel5volume);
+       Cvar_RegisterVariable(&snd_csqcchannel6volume);
+       Cvar_RegisterVariable(&snd_csqcchannel7volume);
+
+       Cvar_RegisterVariable(&snd_spatialization_min_radius);
+       Cvar_RegisterVariable(&snd_spatialization_max_radius);
+       Cvar_RegisterVariable(&snd_spatialization_min);
+       Cvar_RegisterVariable(&snd_spatialization_max);
+       Cvar_RegisterVariable(&snd_spatialization_power);
+       Cvar_RegisterVariable(&snd_spatialization_control);
+       Cvar_RegisterVariable(&snd_spatialization_occlusion);
 
        Cvar_RegisterVariable(&snd_speed);
        Cvar_RegisterVariable(&snd_width);
@@ -826,6 +926,7 @@ void S_UnloadAllSounds_f (void)
 S_FindName
 ==================
 */
+sfx_t changevolume_sfx = {""};
 sfx_t *S_FindName (const char *name)
 {
        sfx_t *sfx;
@@ -833,6 +934,9 @@ sfx_t *S_FindName (const char *name)
        if (!snd_initialized.integer)
                return NULL;
 
+       if(!strcmp(name, changevolume_sfx.name))
+               return &changevolume_sfx;
+
        if (strlen (name) >= sizeof (sfx->name))
        {
                Con_Printf ("S_FindName: sound name too long (%s)\n", name);
@@ -870,7 +974,8 @@ void S_FreeSfx (sfx_t *sfx, qboolean force)
        if (!force && (sfx->locks > 0 || (sfx->flags & SFXFLAG_PERMANENTLOCK)))
                return;
 
-       Con_DPrintf ("S_FreeSfx: freeing %s\n", sfx->name);
+       if (developer_loading.integer)
+               Con_Printf ("unloading sound %s\n", sfx->name);
 
        // Remove it from the list of known sfx
        if (sfx == known_sfx)
@@ -895,7 +1000,7 @@ 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)
@@ -906,13 +1011,13 @@ void S_FreeSfx (sfx_t *sfx, qboolean force)
 
 /*
 ==================
-S_ServerSounds
+S_ClearUsed
 ==================
 */
-void S_ServerSounds (char serversound [][MAX_QPATH], unsigned int numsounds)
+void S_ClearUsed (void)
 {
        sfx_t *sfx;
-       sfx_t *sfxnext;
+//     sfx_t *sfxnext;
        unsigned int i;
 
        // Start the ambient sounds and make them loop
@@ -940,20 +1045,17 @@ void S_ServerSounds (char serversound [][MAX_QPATH], unsigned int numsounds)
                        S_UnlockSfx (sfx);
                        sfx->flags &= ~SFXFLAG_SERVERSOUND;
                }
+}
 
-       // Add 1 lock and the SFXFLAG_SERVERSOUND flag to each sfx in "serversound"
-       for (i = 1; i < numsounds; i++)
-       {
-               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;
-               }
-       }
+/*
+==================
+S_PurgeUnused
+==================
+*/
+void S_PurgeUnused(void)
+{
+       sfx_t *sfx;
+       sfx_t *sfxnext;
 
        // Free all unlocked sfx
        for (sfx = known_sfx;sfx;sfx = sfxnext)
@@ -969,7 +1071,7 @@ void S_ServerSounds (char serversound [][MAX_QPATH], unsigned int numsounds)
 S_PrecacheSound
 ==================
 */
-sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean lock)
+sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean serversound)
 {
        sfx_t *sfx;
 
@@ -988,8 +1090,11 @@ sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean lock)
        // previously missing file
        sfx->flags &= ~ SFXFLAG_FILEMISSING;
 
-       if (lock)
+       if (serversound && !(sfx->flags & SFXFLAG_SERVERSOUND))
+       {
                S_LockSfx (sfx);
+               sfx->flags |= SFXFLAG_SERVERSOUND;
+       }
 
        if (!nosound.integer && snd_precache.integer)
                S_LoadSound(sfx, complain);
@@ -997,6 +1102,27 @@ sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean lock)
        return sfx;
 }
 
+/*
+==================
+S_SoundLength
+==================
+*/
+
+float S_SoundLength(const char *name)
+{
+       sfx_t *sfx;
+
+       if (!snd_initialized.integer)
+               return -1;
+       if (name == NULL || name[0] == 0)
+               return -1;
+
+       sfx = S_FindName(name);
+       if (sfx == NULL)
+               return -1;
+       return sfx->total_length / (float) S_GetSoundRate();
+}
+
 /*
 ==================
 S_IsSoundPrecached
@@ -1004,7 +1130,7 @@ S_IsSoundPrecached
 */
 qboolean S_IsSoundPrecached (const sfx_t *sfx)
 {
-       return (sfx != NULL && sfx->fetcher != NULL);
+       return (sfx != NULL && sfx->fetcher != NULL) || (sfx == &changevolume_sfx);
 }
 
 /*
@@ -1081,7 +1207,7 @@ 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];
                        }
                }
@@ -1095,7 +1221,7 @@ channel_t *SND_PickChannel(int entnum, int entchannel)
                {
                        // no sound on this channel
                        first_to_die = ch_idx;
-                       break;
+                       goto emptychan_found;
                }
 
                // don't let monster sounds override player sounds
@@ -1116,7 +1242,10 @@ channel_t *SND_PickChannel(int entnum, int entchannel)
 
        if (first_to_die == -1)
                return NULL;
+       
+       S_StopChannel (first_to_die, true);
 
+emptychan_found:
        return &channels[first_to_die];
 }
 
@@ -1131,29 +1260,101 @@ extern cvar_t cl_gameplayfix_soundsmovewithentities;
 void SND_Spatialize(channel_t *ch, qboolean isstatic)
 {
        int i;
+       double f;
        vec_t dist, mastervol, intensity, vol;
        vec3_t source_vec;
 
        // update sound origin if we know about the entity
        if (ch->entnum > 0 && cls.state == ca_connected && cl_gameplayfix_soundsmovewithentities.integer)
        {
-               if (ch->entnum >= 32768)
+               if (ch->entnum >= MAX_EDICTS)
                {
-                       // TODO: sounds that follow CSQC entities?
+                       //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].state_current.origin[0], cl.entities[ch->entnum].state_current.origin[1], cl.entities[ch->entnum].state_current.origin[2]);
+
+                       if (ch->entnum > MAX_EDICTS)
+                               if (!CL_VM_GetEntitySoundOrigin(ch->entnum, ch->origin))
+                                       ch->entnum = MAX_EDICTS; // entity was removed, disown sound
                }
                else if (cl.entities[ch->entnum].state_current.active)
                {
+                       dp_model_t *model;
                        //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].state_current.origin[0], cl.entities[ch->entnum].state_current.origin[1], cl.entities[ch->entnum].state_current.origin[2]);
-                       VectorCopy(cl.entities[ch->entnum].state_current.origin, ch->origin);
-                       if (cl.entities[ch->entnum].state_current.modelindex && cl.model_precache[cl.entities[ch->entnum].state_current.modelindex] && cl.model_precache[cl.entities[ch->entnum].state_current.modelindex]->soundfromcenter)
-                               VectorMAMAM(1.0f, ch->origin, 0.5f, cl.model_precache[cl.entities[ch->entnum].state_current.modelindex]->normalmins, 0.5f, cl.model_precache[cl.entities[ch->entnum].state_current.modelindex]->normalmaxs, ch->origin);
+                       model = CL_GetModelByIndex(cl.entities[ch->entnum].state_current.modelindex);
+                       if (model && model->soundfromcenter)
+                               VectorMAM(0.5f, cl.entities[ch->entnum].render.mins, 0.5f, cl.entities[ch->entnum].render.maxs, ch->origin);
+                       else
+                               Matrix4x4_OriginFromMatrix(&cl.entities[ch->entnum].render.matrix, ch->origin);
                }
        }
 
        mastervol = ch->master_vol;
+
        // Adjust volume of static sounds
        if (isstatic)
                mastervol *= snd_staticvolume.value;
+       else if(!(ch->flags & CHANNELFLAG_FULLVOLUME)) // same as SND_PaintChannel uses
+       {
+               if(ch->entnum >= MAX_EDICTS)
+               {
+                       switch(ch->entchannel)
+                       {
+                               case 0: mastervol *= snd_csqcchannel0volume.value; break;
+                               case 1: mastervol *= snd_csqcchannel1volume.value; break;
+                               case 2: mastervol *= snd_csqcchannel2volume.value; break;
+                               case 3: mastervol *= snd_csqcchannel3volume.value; break;
+                               case 4: mastervol *= snd_csqcchannel4volume.value; break;
+                               case 5: mastervol *= snd_csqcchannel5volume.value; break;
+                               case 6: mastervol *= snd_csqcchannel6volume.value; break;
+                               case 7: mastervol *= snd_csqcchannel7volume.value; break;
+                               default:                                           break;
+                       }
+               }
+               else if(ch->entnum == 0)
+               {
+                       switch(ch->entchannel)
+                       {
+                               case 0: mastervol *= snd_worldchannel0volume.value; break;
+                               case 1: mastervol *= snd_worldchannel1volume.value; break;
+                               case 2: mastervol *= snd_worldchannel2volume.value; break;
+                               case 3: mastervol *= snd_worldchannel3volume.value; break;
+                               case 4: mastervol *= snd_worldchannel4volume.value; break;
+                               case 5: mastervol *= snd_worldchannel5volume.value; break;
+                               case 6: mastervol *= snd_worldchannel6volume.value; break;
+                               case 7: mastervol *= snd_worldchannel7volume.value; break;
+                               default:                                            break;
+                       }
+               }
+               else if(ch->entnum > 0 && ch->entnum <= cl.maxclients)
+               {
+                       switch(ch->entchannel)
+                       {
+                               case 0: mastervol *= snd_playerchannel0volume.value; break;
+                               case 1: mastervol *= snd_playerchannel1volume.value; break;
+                               case 2: mastervol *= snd_playerchannel2volume.value; break;
+                               case 3: mastervol *= snd_playerchannel3volume.value; break;
+                               case 4: mastervol *= snd_playerchannel4volume.value; break;
+                               case 5: mastervol *= snd_playerchannel5volume.value; break;
+                               case 6: mastervol *= snd_playerchannel6volume.value; break;
+                               case 7: mastervol *= snd_playerchannel7volume.value; break;
+                               default:                                             break;
+                       }
+               }
+               else
+               {
+                       switch(ch->entchannel)
+                       {
+                               case 0: mastervol *= snd_entchannel0volume.value; break;
+                               case 1: mastervol *= snd_entchannel1volume.value; break;
+                               case 2: mastervol *= snd_entchannel2volume.value; break;
+                               case 3: mastervol *= snd_entchannel3volume.value; break;
+                               case 4: mastervol *= snd_entchannel4volume.value; break;
+                               case 5: mastervol *= snd_entchannel5volume.value; break;
+                               case 6: mastervol *= snd_entchannel6volume.value; break;
+                               case 7: mastervol *= snd_entchannel7volume.value; break;
+                               default:                                          break;
+                       }
+               }
+       }
 
        // anything coming from the view entity will always be full volume
        // LordHavoc: make sounds with ATTN_NONE have no spatialization
@@ -1177,7 +1378,42 @@ void SND_Spatialize(channel_t *ch, qboolean isstatic)
                        {
                                Matrix4x4_Transform(&listener_matrix[i], ch->origin, source_vec);
                                VectorNormalize(source_vec);
+
+                               switch(spatialmethod)
+                               {
+                                       case SPATIAL_LOG:
+                                               if(dist == 0)
+                                                       f = spatialmin + spatialdiff * (spatialfactor < 0); // avoid log(0), but do the right thing
+                                               else
+                                                       f = spatialmin + spatialdiff * bound(0, (log(dist) - spatialoffset) * spatialfactor, 1);
+                                               VectorScale(source_vec, f, source_vec);
+                                               break;
+                                       case SPATIAL_POW:
+                                               f = (pow(dist, spatialpower) - spatialoffset) * spatialfactor;
+                                               f = spatialmin + spatialdiff * bound(0, f, 1);
+                                               VectorScale(source_vec, f, source_vec);
+                                               break;
+                                       case SPATIAL_THRESH:
+                                               f = spatialmin + spatialdiff * (dist < spatialoffset);
+                                               VectorScale(source_vec, f, source_vec);
+                                               break;
+                                       case SPATIAL_NONE:
+                                       default:
+                                               break;
+                               }
+
                                vol = intensity * max(0, source_vec[0] * snd_speakerlayout.listeners[i].dotscale + snd_speakerlayout.listeners[i].dotbias);
+
+                               if (snd_spatialization_occlusion.integer)
+                               {
+                                       if (cl.worldmodel
+                                       && cl.worldmodel->brush.TraceLineOfSight
+                                       && !cl.worldmodel->brush.TraceLineOfSight(cl.worldmodel, listener_origin, ch->origin))
+                                       {
+                                               vol *= 0.5f;
+                                       }
+                               }
+
                                ch->listener_volume[i] = (int)bound(0, vol, 255);
                        }
                }
@@ -1192,41 +1428,83 @@ void SND_Spatialize(channel_t *ch, qboolean isstatic)
 // Start a sound effect
 // =======================================================================
 
-void S_PlaySfxOnChannel (sfx_t *sfx, channel_t *target_chan, unsigned int flags, vec3_t origin, float fvol, float attenuation, qboolean isstatic)
+static void S_SetChannelVolume_WithSfx (unsigned int ch_ind, float fvol, sfx_t *sfx);
+void S_PlaySfxOnChannel (sfx_t *sfx, channel_t *target_chan, unsigned int flags, vec3_t origin, float fvol, float attenuation, qboolean isstatic, int entnum, int entchannel, int startpos)
 {
+       if (!sfx)
+       {
+               Con_Printf("S_PlaySfxOnChannel called with NULL??\n");
+               return;
+       }
        // Initialize the channel
+       // a crash was reported on an in-use channel, so check here...
+       if (target_chan->sfx)
+       {
+               int channelindex = (int)(target_chan - channels);
+               Con_Printf("S_PlaySfxOnChannel(%s): channel %i already in use??  Clearing.\n", sfx->name, channelindex);
+               S_StopChannel (channelindex, true);
+       }
+       // 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
+       target_chan->pos = startpos; // start of the sound
+       target_chan->entnum = entnum;
+       target_chan->entchannel = entchannel;
 
        // If it's a static sound
        if (isstatic)
        {
-               if (sfx->loopstart >= sfx->total_length)
+               if (sfx->loopstart >= sfx->total_length && (cls.protocol == PROTOCOL_QUAKE || cls.protocol == PROTOCOL_QUAKEWORLD))
                        Con_DPrintf("Quake compatibility warning: Static sound \"%s\" is not looped\n", sfx->name);
                target_chan->dist_mult = attenuation / (64.0f * snd_soundradius.value);
        }
        else
                target_chan->dist_mult = attenuation / snd_soundradius.value;
 
+       // we have to set the channel volume AFTER the sfx because the function
+       // needs it for replaygain support
+       S_SetChannelVolume_WithSfx(target_chan - channels, fvol, sfx);
+
+       // set the listener volumes
+       SND_Spatialize (target_chan, isstatic);
+
        // Lock the SFX during play
        S_LockSfx (sfx);
 
-       // and finally, apply the volume
-       S_SetChannelVolume(target_chan - channels, fvol);
+       // finally, set the sfx pointer, so the channel becomes valid for playback
+       // and will be noticed by the mixer
+       target_chan->sfx = sfx;
 }
 
 
-int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
+int S_StartSound_StartPosition (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation, float startposition)
 {
-       channel_t *target_chan, *check;
-       int             ch_idx;
+       channel_t *target_chan, *check, *ch;
+       int             ch_idx, startpos;
 
        if (snd_renderbuffer == NULL || sfx == NULL || nosound.integer)
                return -1;
 
+       if(sfx == &changevolume_sfx)
+       {
+               if(entchannel == 0)
+                       return -1;
+               for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
+               {
+                       ch = &channels[ch_idx];
+                       if (ch->entnum == entnum && (ch->entchannel == entchannel || entchannel == -1) )
+                       {
+                               S_SetChannelVolume(ch_idx, fvol);
+                               ch->dist_mult = attenuation / snd_soundradius.value;
+                               SND_Spatialize(ch, false);
+                               return ch_idx;
+                       }
+               }
+               return -1;
+       }
+
        if (sfx->fetcher == NULL)
                return -1;
 
@@ -1235,37 +1513,49 @@ int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
        if (!target_chan)
                return -1;
 
-       S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_NONE, origin, fvol, attenuation, false);
-       target_chan->entnum = entnum;
-       target_chan->entchannel = entchannel;
-
-       SND_Spatialize(target_chan, false);
-
        // if an identical sound has also been started this frame, offset the pos
        // a bit to keep it from just making the first one louder
        check = &channels[NUM_AMBIENTS];
-       for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++, check++)
+       startpos = (int)(startposition * S_GetSoundRate());
+       if (startpos == 0)
        {
-               if (check == target_chan)
-                       continue;
-               if (check->sfx == sfx && !check->pos)
+               for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++, check++)
                {
-                       // use negative pos offset to delay this sound effect
-                       target_chan->pos += (int)lhrandom(0, -0.1 * snd_renderbuffer->format.speed);
-                       break;
+                       if (check == target_chan)
+                               continue;
+                       if (check->sfx == sfx && check->pos == 0)
+                       {
+                               // use negative pos offset to delay this sound effect
+                               startpos = (int)lhrandom(0, -0.1 * snd_renderbuffer->format.speed);
+                               break;
+                       }
                }
        }
 
+       S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_NONE, origin, fvol, attenuation, false, entnum, entchannel, startpos);
+
        return (target_chan - channels);
 }
 
-void S_StopChannel (unsigned int channel_ind)
+int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
+{
+       return S_StartSound_StartPosition(entnum, entchannel, sfx, origin, fvol, attenuation, 0);
+}
+
+void S_StopChannel (unsigned int channel_ind, qboolean lockmutex)
 {
        channel_t *ch;
 
        if (channel_ind >= total_channels)
                return;
 
+       // 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 && !simsound)
+               SndSys_LockRenderBuffer();
+       
        ch = &channels[channel_ind];
        if (ch->sfx != NULL)
        {
@@ -1284,6 +1574,8 @@ void S_StopChannel (unsigned int channel_ind)
                ch->fetcher_data = NULL;
                ch->sfx = NULL;
        }
+       if (lockmutex && !simsound)
+               SndSys_UnlockRenderBuffer();
 }
 
 
@@ -1294,7 +1586,8 @@ qboolean S_SetChannelFlag (unsigned int ch_ind, unsigned int flag, qboolean valu
 
        if (flag != CHANNELFLAG_FORCELOOP &&
                flag != CHANNELFLAG_PAUSED &&
-               flag != CHANNELFLAG_FULLVOLUME)
+               flag != CHANNELFLAG_FULLVOLUME &&
+               flag != CHANNELFLAG_LOCALSOUND)
                return false;
 
        if (value)
@@ -1312,7 +1605,7 @@ 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;
                }
 }
@@ -1329,18 +1622,18 @@ void S_StopAllSounds (void)
        // stop CD audio because it may be using a faketrack
        CDAudio_Stop();
 
-       for (i = 0; i < total_channels; i++)
-               S_StopChannel (i);
-
-       total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS;   // no statics
-       memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
-
-       // Mute the contents of the submittion buffer
        if (simsound || SndSys_LockRenderBuffer ())
        {
                int clear;
                size_t memsize;
 
+               for (i = 0; i < total_channels; i++)
+                       S_StopChannel (i, false);
+
+               total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS;   // no statics
+               memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
+
+               // Mute the contents of the submittion buffer
                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);
@@ -1364,9 +1657,8 @@ void S_PauseGameSounds (qboolean toggle)
        }
 }
 
-void S_SetChannelVolume (unsigned int ch_ind, float fvol)
+static void S_SetChannelVolume_WithSfx (unsigned int ch_ind, float fvol, sfx_t *sfx)
 {
-       sfx_t *sfx = channels[ch_ind].sfx;
        if(sfx->volume_peak > 0)
        {
                // Replaygain support
@@ -1379,6 +1671,42 @@ void S_SetChannelVolume (unsigned int ch_ind, float fvol)
        channels[ch_ind].master_vol = (int)(fvol * 255.0f);
 }
 
+void S_SetChannelVolume(unsigned int ch_ind, float fvol)
+{
+       sfx_t *sfx = channels[ch_ind].sfx;
+       S_SetChannelVolume_WithSfx(ch_ind, fvol, sfx);
+}
+
+float S_GetChannelPosition (unsigned int ch_ind)
+{
+       // note: this is NOT accurate yet
+       int s;
+       channel_t *ch = &channels[ch_ind];
+       sfx_t *sfx = ch->sfx;
+       if (!sfx)
+               return -1;
+
+       s = ch->pos;
+       /*
+       if(!snd_usethreadedmixing)
+               s += _snd_mixahead.value * S_GetSoundRate();
+       */
+       return (s % sfx->total_length) / (float) S_GetSoundRate();
+}
+
+float S_GetEntChannelPosition(int entnum, int entchannel)
+{
+       channel_t *ch;
+       unsigned int i;
+
+       for (i = 0; i < total_channels; i++)
+       {
+               ch = &channels[i];
+               if (ch->entnum == entnum && ch->entchannel == entchannel)
+                       return S_GetChannelPosition(i);
+       }
+       return -1; // no playing sound in this channel
+}
 
 /*
 =================
@@ -1393,7 +1721,7 @@ void S_StaticSound (sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
                return;
        if (!sfx->fetcher)
        {
-               Con_DPrintf ("S_StaticSound: \"%s\" hasn't been precached\n", sfx->name);
+               Con_Printf ("S_StaticSound: \"%s\" hasn't been precached\n", sfx->name);
                return;
        }
 
@@ -1404,9 +1732,7 @@ void S_StaticSound (sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
        }
 
        target_chan = &channels[total_channels++];
-       S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_FORCELOOP, origin, fvol, attenuation, true);
-
-       SND_Spatialize (target_chan, true);
+       S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_FORCELOOP, origin, fvol, attenuation, true, 0, 0, 0);
 }
 
 
@@ -1464,24 +1790,36 @@ void S_UpdateAmbientSounds (void)
 static void S_PaintAndSubmit (void)
 {
        unsigned int newsoundtime, paintedtime, endtime, maxtime, usedframes;
-       qboolean usesoundtimehack;
-       static qboolean soundtimehack = true;
+       int usesoundtimehack;
+       static int soundtimehack = -1;
+       static int oldsoundtime = 0;
 
        if (snd_renderbuffer == NULL || nosound.integer)
                return;
 
        // Update sound time
+       snd_usethreadedmixing = false;
        usesoundtimehack = true;
        if (cls.timedemo) // SUPER NASTY HACK to mix non-realtime sound for more reliable benchmarking
+       {
+               usesoundtimehack = 1;
                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
+       {
+               usesoundtimehack = 2;
                newsoundtime = (unsigned int)((double)cls.capturevideo.frame * (double)snd_renderbuffer->format.speed / (double)cls.capturevideo.framerate);
+       }
        else if (simsound)
+       {
+               usesoundtimehack = 3;
                newsoundtime = (unsigned int)((realtime - snd_starttime) * (double)snd_renderbuffer->format.speed);
+       }
        else
        {
+               snd_usethreadedmixing = snd_threaded && !cls.capturevideo.soundrate;
+               usesoundtimehack = 0;
                newsoundtime = SndSys_GetSoundTime();
-               usesoundtimehack = false;
        }
        // if the soundtimehack state changes we need to reset the soundtime
        if (soundtimehack != usesoundtimehack)
@@ -1507,6 +1845,9 @@ static void S_PaintAndSubmit (void)
        if (!soundtimehack && snd_blocked > 0)
                return;
 
+       if (snd_usethreadedmixing)
+               return; // the audio thread will mix its own data
+
        newsoundtime += extrasoundtime;
        if (newsoundtime < soundtime)
        {
@@ -1534,23 +1875,61 @@ static void S_PaintAndSubmit (void)
        soundtime = newsoundtime;
        recording_sound = (cls.capturevideo.soundrate != 0);
 
+       // Lock submitbuffer
+       if (!simsound && !SndSys_LockRenderBuffer())
+       {
+               // If the lock failed, stop here
+               Con_DPrint(">> S_PaintAndSubmit: SndSys_LockRenderBuffer() failed\n");
+               return;
+       }
+
        // Check to make sure that we haven't overshot
        paintedtime = snd_renderbuffer->endframe;
        if (paintedtime < soundtime)
                paintedtime = soundtime;
 
        // mix ahead of current position
-       endtime = soundtime + (unsigned int)(_snd_mixahead.value * (float)snd_renderbuffer->format.speed);
+       if (soundtimehack)
+               endtime = soundtime + (unsigned int)(_snd_mixahead.value * (float)snd_renderbuffer->format.speed);
+       else
+               endtime = soundtime + (unsigned int)(max(_snd_mixahead.value * (float)snd_renderbuffer->format.speed, min(3 * (soundtime - oldsoundtime), 0.3 * (float)snd_renderbuffer->format.speed)));
        usedframes = snd_renderbuffer->endframe - snd_renderbuffer->startframe;
        maxtime = paintedtime + snd_renderbuffer->maxframes - usedframes;
        endtime = min(endtime, maxtime);
 
-       S_PaintChannels(snd_renderbuffer, paintedtime, endtime);
+       while (paintedtime < endtime)
+       {
+               unsigned int startoffset;
+               unsigned int nbframes;
+
+               // see how much we can fit in the paint buffer
+               nbframes = endtime - paintedtime;
+               // limit to the end of the ring buffer (in case of wrapping)
+               startoffset = paintedtime % snd_renderbuffer->maxframes;
+               nbframes = min(nbframes, snd_renderbuffer->maxframes - startoffset);
+
+               // mix into the buffer
+               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();
+
+       // Remove outdated samples from the ring buffer, if any
+       if (snd_renderbuffer->startframe < soundtime)
+               snd_renderbuffer->startframe = soundtime;
 
        if (simsound)
                snd_renderbuffer->startframe = snd_renderbuffer->endframe;
        else
                SndSys_Submit();
+
+       oldsoundtime = soundtime;
+
+       cls.soundstats.latency_milliseconds = (snd_renderbuffer->endframe - snd_renderbuffer->startframe) * 1000 / snd_renderbuffer->format.speed;
+       R_TimeReport("audiomix");
 }
 
 /*
@@ -1562,13 +1941,52 @@ 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;
 
        if (snd_renderbuffer == NULL || nosound.integer)
                return;
 
+       {
+               double mindist_trans, maxdist_trans;
+
+               spatialmin = snd_spatialization_min.value;
+               spatialdiff = snd_spatialization_max.value - spatialmin;
+
+               if(snd_spatialization_control.value)
+               {
+                       spatialpower = snd_spatialization_power.value;
+
+                       if(spatialpower == 0)
+                       {
+                               spatialmethod = SPATIAL_LOG;
+                               mindist_trans = log(max(1, snd_spatialization_min_radius.value));
+                               maxdist_trans = log(max(1, snd_spatialization_max_radius.value));
+                       }
+                       else
+                       {
+                               spatialmethod = SPATIAL_POW;
+                               mindist_trans = pow(snd_spatialization_min_radius.value, spatialpower);
+                               maxdist_trans = pow(snd_spatialization_max_radius.value, spatialpower);
+                       }
+
+                       if(mindist_trans - maxdist_trans == 0)
+                       {
+                               spatialmethod = SPATIAL_THRESH;
+                               mindist_trans = snd_spatialization_min_radius.value;
+                       }
+                       else
+                       {
+                               spatialoffset = mindist_trans;
+                               spatialfactor = 1 / (maxdist_trans - mindist_trans);
+                       }
+               }
+               else
+                       spatialmethod = SPATIAL_NONE;
+
+       }
+
        // If snd_swapstereo or snd_channellayout has changed, recompute the channel layout
        if (current_swapstereo != boolxor(snd_swapstereo.integer, v_flipped.integer) ||
                current_channellayout != snd_channellayout.integer)
@@ -1598,13 +2016,17 @@ void S_Update(const matrix4x4_t *listenermatrix)
        S_UpdateAmbientSounds ();
 
        combine = NULL;
+       R_TimeReport("audioprep");
 
        // 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);
@@ -1642,29 +2064,19 @@ 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++;
        }
+       R_TimeReport("audiospatialize");
 
        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();
 }