]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - snd_dma.c
Moved the WAV loading code out of "snd_mem.c". Removed a couple of useless definition...
[xonotic/darkplaces.git] / snd_dma.c
index 1523b46f76722e3c00e1e29ada252391add9dfd6..6dbc1ea299b202619dcba20192876bbf96b03cc8 100644 (file)
--- a/snd_dma.c
+++ b/snd_dma.c
@@ -22,9 +22,16 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "quakedef.h"
 
 #ifdef _WIN32
-#include "winquake.h"
+#include <windows.h>
+#include <dsound.h>
+extern DWORD gSndBufSize;
+extern LPDIRECTSOUND pDS;
+extern LPDIRECTSOUNDBUFFER pDSBuf;
 #endif
 
+#include "snd_ogg.h"
+
+
 void S_Play(void);
 void S_PlayVol(void);
 void S_Play2(void);
@@ -38,12 +45,12 @@ void S_StopAllSoundsC(void);
 // =======================================================================
 
 channel_t channels[MAX_CHANNELS];
-int total_channels;
+unsigned int total_channels;
 
 int snd_blocked = 0;
 static qboolean snd_ambient = 1;
-//qboolean snd_initialized = false;
 cvar_t snd_initialized = { CVAR_READONLY, "snd_initialized", "0"};
+cvar_t snd_streaming = { CVAR_SAVE, "snd_streaming", "1"};
 
 // pointer should go away
 volatile dma_t *shm = 0;
@@ -116,17 +123,17 @@ void S_SoundInfo_f(void)
 {
        if (!sound_started || !shm)
        {
-               Con_Print("sound system not started\n");
+               Con_Print("sound system not started\n");
                return;
        }
 
-       Con_Printf("%5d stereo\n", shm->channels - 1);
+       Con_Printf("%5d stereo\n", shm->format.channels - 1);
        Con_Printf("%5d samples\n", shm->samples);
        Con_Printf("%5d samplepos\n", shm->samplepos);
-       Con_Printf("%5d samplebits\n", shm->samplebits);
-       Con_Printf("%5d speed\n", shm->speed);
+       Con_Printf("%5d samplebits\n", shm->format.width * 8);
+       Con_Printf("%5d speed\n", shm->format.speed);
        Con_Printf("0x%x dma buffer\n", shm->buffer);
-       Con_Printf("%5d total_channels\n", total_channels);
+       Con_Printf("%5u total_channels\n", total_channels);
 }
 
 void S_UnloadSounds(void)
@@ -155,18 +162,18 @@ void S_Startup(void)
 
        if (fakedma)
        {
-               shm->samplebits = 16;
-               shm->speed = 22050;
-               shm->channels = 2;
+               shm->format.width = 2;
+               shm->format.speed = 22050;
+               shm->format.channels = 2;
                shm->samples = 32768;
                shm->samplepos = 0;
-               shm->buffer = Mem_Alloc(snd_mempool, shm->channels * shm->samples * (shm->samplebits / 8));
+               shm->buffer = Mem_Alloc(snd_mempool, shm->format.channels * shm->samples * shm->format.width);
        }
        else
        {
                if (!SNDDMA_Init())
                {
-                       Con_Printf("S_Startup: SNDDMA_Init failed.\n");
+                       Con_Print("S_Startup: SNDDMA_Init failed.\n");
                        sound_started = 0;
                        shm = NULL;
                        return;
@@ -175,7 +182,7 @@ void S_Startup(void)
 
        sound_started = 1;
 
-       Con_DPrintf("Sound sampling rate: %i\n", shm->speed);
+       Con_DPrintf("Sound sampling rate: %i\n", shm->format.speed);
 
        //S_LoadSounds();
 
@@ -211,7 +218,7 @@ S_Init
 */
 void S_Init(void)
 {
-       Con_DPrintf("\nSound Initialization\n");
+       Con_DPrint("\nSound Initialization\n");
 
        S_RawSamples_ClearQueue();
 
@@ -238,6 +245,7 @@ void S_Init(void)
        Cvar_RegisterVariable(&nosound);
        Cvar_RegisterVariable(&snd_precache);
        Cvar_RegisterVariable(&snd_initialized);
+       Cvar_RegisterVariable(&snd_streaming);
        Cvar_RegisterVariable(&bgmbuffer);
        Cvar_RegisterVariable(&ambient_level);
        Cvar_RegisterVariable(&ambient_fade);
@@ -258,6 +266,8 @@ void S_Init(void)
 
        total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS;   // no statics
        memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
+
+       OGG_OpenLibrary ();
 }
 
 
@@ -267,7 +277,7 @@ void S_Init(void)
 
 /*
 =========
-S_IsCached
+S_GetCached
 
 =========
 */
@@ -321,7 +331,7 @@ sfx_t *S_FindName (char *name)
 
        sfx = &known_sfx[num_sfx++];
        memset(sfx, 0, sizeof(*sfx));
-       snprintf(sfx->name, sizeof(sfx->name), "%s", name);
+       strncpy(sfx->name, name, sizeof(sfx->name));
        return sfx;
 }
 
@@ -334,9 +344,53 @@ S_TouchSound
 */
 void S_TouchSound (char *name)
 {
-       S_FindName(name);
+       sfx_t *sfx;
+
+       sfx = S_FindName (name);
+
+       // Set the "used" flag for this sound
+       if (sfx != NULL)
+               sfx->flags |= SFXFLAG_USED;
+}
+
+
+/*
+==================
+S_ClearUsed
+
+Reset the "used" flag of all precached sounds
+==================
+*/
+void S_ClearUsed (void)
+{
+       int i;
+
+       for (i = 0; i < num_sfx; i++)
+               known_sfx[i].flags &= ~SFXFLAG_USED;
+}
+
+
+/*
+==================
+S_PurgeUnused
+
+Free all precached sounds without the "used" flag
+==================
+*/
+void S_PurgeUnused (void)
+{
+       int i;
+       sfx_t *sfx;
+
+       for (i = 0; i < num_sfx; i++)
+       {
+               sfx = &known_sfx[i];
+               if (! (sfx->flags & SFXFLAG_USED))
+                       S_UnloadSound (sfx);
+       }
 }
 
+
 /*
 ==================
 S_PrecacheSound
@@ -364,6 +418,8 @@ sfx_t *S_PrecacheSound (char *name, int complain)
 /*
 =================
 SND_PickChannel
+
+Picks a channel based on priorities, empty slots, number of channels
 =================
 */
 channel_t *SND_PickChannel(int entnum, int entchannel)
@@ -371,27 +427,33 @@ channel_t *SND_PickChannel(int entnum, int entchannel)
        int ch_idx;
        int first_to_die;
        int life_left;
+       channel_t* ch;
 
 // Check for replacement sound, or find the best one to replace
        first_to_die = -1;
        life_left = 0x7fffffff;
        for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
        {
+               ch = &channels[ch_idx];
                if (entchannel != 0             // channel 0 never overrides
-               && channels[ch_idx].entnum == entnum
-               && (channels[ch_idx].entchannel == entchannel || entchannel == -1) )
+               && ch->entnum == entnum
+               && (ch->entchannel == entchannel || entchannel == -1) )
                {       // always override sound from same entity
                        first_to_die = ch_idx;
                        break;
                }
 
                // don't let monster sounds override player sounds
-               if (channels[ch_idx].entnum == cl.viewentity && entnum != cl.viewentity && channels[ch_idx].sfx)
+               if (ch->entnum == cl.viewentity && entnum != cl.viewentity && ch->sfx)
+                       continue;
+
+               // don't override looped sounds
+               if (ch->forceloop || (ch->sfx != NULL && ch->sfx->loopstart >= 0))
                        continue;
 
-               if (channels[ch_idx].end - paintedtime < life_left)
+               if (ch->end - paintedtime < life_left)
                {
-                       life_left = channels[ch_idx].end - paintedtime;
+                       life_left = ch->end - paintedtime;
                        first_to_die = ch_idx;
                }
        }
@@ -408,6 +470,8 @@ channel_t *SND_PickChannel(int entnum, int entchannel)
 /*
 =================
 SND_Spatialize
+
+Spatializes a channel
 =================
 */
 void SND_Spatialize(channel_t *ch, int isstatic)
@@ -465,12 +529,11 @@ void SND_Spatialize(channel_t *ch, int isstatic)
 void S_StartSound(int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
 {
        channel_t *target_chan, *check;
-       sfxcache_t      *sc;
        int             vol;
        int             ch_idx;
-       int             skip;
+       size_t  skip;
 
-       if (!sound_started || !sfx || nosound.integer)
+       if (!sound_started || !sfx || !sfx->fetcher || nosound.integer)
                return;
 
        vol = fvol*255;
@@ -489,12 +552,12 @@ void S_StartSound(int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
        target_chan->entchannel = entchannel;
        SND_Spatialize(target_chan, false);
 
-       if (!target_chan->leftvol && !target_chan->rightvol)
-               return;         // not audible at all
+       // LordHavoc: spawn the sound anyway because the player might teleport to it
+       //if (!target_chan->leftvol && !target_chan->rightvol)
+       //      return;         // not audible at all
 
-// new channel
-       sc = S_LoadSound (sfx, true);
-       if (!sc)
+       // new channel
+       if (!S_LoadSound (sfx, true))
        {
                target_chan->sfx = NULL;
                return;         // couldn't load the sound's data
@@ -502,7 +565,8 @@ void S_StartSound(int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
 
        target_chan->sfx = sfx;
        target_chan->pos = 0.0;
-       target_chan->end = paintedtime + sc->length;
+       target_chan->end = paintedtime + sfx->total_length;
+       target_chan->lastptime = paintedtime;
 
 // 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
@@ -514,9 +578,9 @@ void S_StartSound(int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float f
                if (check->sfx == sfx && !check->pos)
                {
                        // LordHavoc: fixed skip calculations
-                       skip = 0.1 * sc->speed;
-                       if (skip > sc->length)
-                               skip = sc->length;
+                       skip = 0.1 * sfx->format.speed;
+                       if (skip > sfx->total_length)
+                               skip = sfx->total_length;
                        if (skip > 0)
                                skip = rand() % skip;
                        target_chan->pos += skip;
@@ -563,7 +627,7 @@ void S_ClearBuffer(void)
        if (!sound_started || !shm)
                return;
 
-       if (shm->samplebits == 8)
+       if (shm->format.width == 1)
                clear = 0x80;
        else
                clear = 0;
@@ -578,24 +642,24 @@ void S_ClearBuffer(void)
 
                reps = 0;
 
-               while ((hresult = pDSBuf->lpVtbl->Lock(pDSBuf, 0, gSndBufSize, &pData, &dwSize, NULL, NULL, 0)) != DS_OK)
+               while ((hresult = pDSBuf->lpVtbl->Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&pData, &dwSize, NULL, NULL, 0)) != DS_OK)
                {
                        if (hresult != DSERR_BUFFERLOST)
                        {
-                               Con_Print("S_ClearBuffer: DS::Lock Sound Buffer Failed\n");
+                               Con_Print("S_ClearBuffer: DS::Lock Sound Buffer Failed\n");
                                S_Shutdown ();
                                return;
                        }
 
                        if (++reps > 10000)
                        {
-                               Con_Print("S_ClearBuffer: DS: couldn't restore buffer\n");
+                               Con_Print("S_ClearBuffer: DS: couldn't restore buffer\n");
                                S_Shutdown ();
                                return;
                        }
                }
 
-               memset(pData, clear, shm->samples * shm->samplebits/8);
+               memset(pData, clear, shm->samples * shm->format.width);
 
                pDSBuf->lpVtbl->Unlock(pDSBuf, pData, dwSize, NULL, 0);
 
@@ -604,7 +668,7 @@ void S_ClearBuffer(void)
 #endif
        if (shm->buffer)
        {
-               int             setsize = shm->samples * shm->samplebits / 8;
+               int             setsize = shm->samples * shm->format.width;
                char    *buf = shm->buffer;
 
                while (setsize--)
@@ -626,22 +690,20 @@ S_StaticSound
 void S_StaticSound (sfx_t *sfx, vec3_t origin, float vol, float attenuation)
 {
        channel_t       *ss;
-       sfxcache_t              *sc;
 
        if (!sfx)
                return;
 
        if (total_channels == MAX_CHANNELS)
        {
-               Con_Print("total_channels == MAX_CHANNELS\n");
+               Con_Print("total_channels == MAX_CHANNELS\n");
                return;
        }
 
-       sc = S_LoadSound (sfx, true);
-       if (!sc)
+       if (!S_LoadSound (sfx, true))
                return;
 
-       if (sc->loopstart == -1)
+       if (sfx->loopstart == -1)
                Con_DPrintf("Quake compatibility warning: Static sound \"%s\" is not looped\n", sfx->name);
 
        ss = &channels[total_channels++];
@@ -651,7 +713,8 @@ void S_StaticSound (sfx_t *sfx, vec3_t origin, float vol, float attenuation)
        VectorCopy (origin, ss->origin);
        ss->master_vol = vol;
        ss->dist_mult = (attenuation/64) / sound_nominal_clip_dist;
-       ss->end = paintedtime + sc->length;
+       ss->end = paintedtime + sfx->total_length;
+       ss->lastptime = paintedtime;
 
        SND_Spatialize (ss, true);
 }
@@ -683,7 +746,8 @@ void S_UpdateAmbientSounds (void)
 // calc ambient sound levels
        for (ambient_channel = 0 ; ambient_channel< NUM_AMBIENTS ; ambient_channel++)
        {
-               if (ambient_sfx[ambient_channel] && ambient_sfx[ambient_channel]->silentlymissing)
+               if (ambient_sfx[ambient_channel] &&
+                       (ambient_sfx[ambient_channel]->flags & SFXFLAG_SILENTLYMISSING))
                        continue;
                chan = &channels[ambient_channel];
                chan->forceloop = true;
@@ -721,10 +785,8 @@ Called once each time through the main loop
 */
 void S_Update(vec3_t origin, vec3_t forward, vec3_t left, vec3_t up)
 {
-       int                     i, j;
-       int                     total;
-       channel_t       *ch;
-       channel_t       *combine;
+       unsigned int i, j, total;
+       channel_t *ch, *combine;
 
        if (!snd_initialized.integer || (snd_blocked > 0))
                return;
@@ -794,7 +856,7 @@ void S_Update(vec3_t origin, vec3_t forward, vec3_t left, vec3_t up)
                        if (ch->sfx && (ch->leftvol || ch->rightvol) )
                                total++;
 
-               Con_Printf ("----(%i)----\n", total);
+               Con_Printf("----(%u)----\n", total);
        }
 
 // mix some sound
@@ -808,16 +870,12 @@ void GetSoundtime(void)
        static  int             oldsamplepos;
        int             fullsamples;
 
-       fullsamples = shm->samples / shm->channels;
+       fullsamples = shm->samples / shm->format.channels;
 
 // it is possible to miscount buffers if it has wrapped twice between
 // calls to S_Update.  Oh well.
-#ifdef __sun__
-       soundtime = SNDDMA_GetSamples();
-#else
        samplepos = SNDDMA_GetDMAPos();
 
-
        if (samplepos < oldsamplepos)
        {
                buffers++;                                      // buffer wrapped
@@ -831,8 +889,7 @@ void GetSoundtime(void)
        }
        oldsamplepos = samplepos;
 
-       soundtime = buffers*fullsamples + samplepos/shm->channels;
-#endif
+       soundtime = buffers * fullsamples + samplepos / shm->format.channels;
 }
 
 void IN_Accumulate (void);
@@ -865,8 +922,8 @@ void S_Update_(void)
                paintedtime = soundtime;
 
 // mix ahead of current position
-       endtime = soundtime + _snd_mixahead.value * shm->speed;
-       samps = shm->samples >> (shm->channels-1);
+       endtime = soundtime + _snd_mixahead.value * shm->format.speed;
+       samps = shm->samples >> (shm->format.channels - 1);
        if (endtime > (unsigned int)(soundtime + samps))
                endtime = soundtime + samps;
 
@@ -877,8 +934,8 @@ void S_Update_(void)
 
                if (pDSBuf)
                {
-                       if (pDSBuf->lpVtbl->GetStatus (pDSBuf, &dwStatus) != DD_OK)
-                               Con_Print("Couldn't get sound buffer status\n");
+                       if (pDSBuf->lpVtbl->GetStatus (pDSBuf, &dwStatus) != DS_OK)
+                               Con_Print("Couldn't get sound buffer status\n");
 
                        if (dwStatus & DSBSTATUS_BUFFERLOST)
                                pDSBuf->lpVtbl->Restore (pDSBuf);
@@ -949,18 +1006,16 @@ void S_SoundList(void)
 {
        int             i;
        sfx_t   *sfx;
-       sfxcache_t      *sc;
        int             size, total;
 
        total = 0;
        for (sfx=known_sfx, i=0 ; i<num_sfx ; i++, sfx++)
        {
-               sc = sfx->sfxcache;
-               if (sc)
+               if (sfx->fetcher != NULL)
                {
-                       size = sc->length*sc->width*(sc->stereo+1);
+                       size = sfx->mempool->totalsize;
                        total += size;
-                       Con_Printf("%c(%2db) %6i : %s\n", sc->loopstart >= 0 ? 'L' : ' ',sc->width*8,  size, sfx->name);
+                       Con_Printf("%c(%2db) %7i : %s\n", sfx->loopstart >= 0 ? 'L' : ' ', sfx->format.width * 8, size, sfx->name);
                }
        }
        Con_Printf("Total resident: %i\n", total);
@@ -977,32 +1032,17 @@ void S_LocalSound (char *sound)
        sfx = S_PrecacheSound (sound, true);
        if (!sfx)
        {
-               Con_Printf ("S_LocalSound: can't precache %s\n", sound);
+               Con_Printf("S_LocalSound: can't precache %s\n", sound);
                return;
        }
        S_StartSound (cl.viewentity, -1, sfx, vec3_origin, 1, 1);
 }
 
 
-void S_ClearPrecache (void)
-{
-}
-
-
-void S_BeginPrecaching (void)
-{
-}
-
-
-void S_EndPrecaching (void)
-{
-}
-
-
 #define RAWSAMPLESBUFFER 32768
 short s_rawsamplesbuffer[RAWSAMPLESBUFFER * 2];
 int s_rawsamplesbuffer_start;
-int s_rawsamplesbuffer_count;
+size_t s_rawsamplesbuffer_count;
 
 void S_RawSamples_Enqueue(short *samples, unsigned int length)
 {
@@ -1024,7 +1064,8 @@ void S_RawSamples_Enqueue(short *samples, unsigned int length)
 
 void S_RawSamples_Dequeue(int *samples, unsigned int length)
 {
-       int b1, b2, l;
+       int b1, b2;
+       size_t l;
        int i;
        short *in;
        int *out;
@@ -1068,7 +1109,7 @@ void S_RawSamples_ClearQueue(void)
 
 int S_RawSamples_QueueWantsMore(void)
 {
-       if (shm != NULL && s_rawsamplesbuffer_count < min(shm->speed >> 1, RAWSAMPLESBUFFER >> 1))
+       if (shm != NULL && s_rawsamplesbuffer_count < min(shm->format.speed >> 1, RAWSAMPLESBUFFER >> 1))
                return RAWSAMPLESBUFFER - s_rawsamplesbuffer_count;
        else
                return 0;
@@ -1106,6 +1147,6 @@ void S_ResampleBuffer16Stereo(short *input, int inputlength, short *output, int
 
 int S_RawSamples_SampleRate(void)
 {
-       return shm != NULL ? shm->speed : 0;
+       return shm != NULL ? shm->format.speed : 0;
 }