Moved some sound code in preparation of adding Ogg Vorbis support

[xonotic/darkplaces.git] / snd_mem.c

diff --git a/snd_mem.c b/snd_mem.c
index c01c479b4c4449409df0707adf89cde2d5ba5afb..7908ea87b24b6c551d534a77b3b7a109266cd4da 100644 (file)
--- a/snd_mem.c
+++ b/snd_mem.c
@@ -21,8 +21,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 
-qbyte *S_Alloc (int size);
-
 /*
 ================
 ResampleSfx
@@ -38,6 +36,7 @@ void ResampleSfx (sfxcache_t *sc, qbyte *data, char *name)
        srclength = sc->length << sc->stereo;
 
        outcount = (double) sc->length * (double) shm->speed / (double) sc->speed;
+       Con_DPrintf("ResampleSfx: resampling sound %s from %dhz to %dhz (%d samples to %d samples)\n", name, sc->speed, shm->speed, sc->length, outcount);
        sc->length = outcount;
        if (sc->loopstart != -1)
                sc->loopstart = (double) sc->loopstart * (double) shm->speed / (double) sc->speed;
@@ -59,7 +58,6 @@ void ResampleSfx (sfxcache_t *sc, qbyte *data, char *name)
        else
        {
                // general case
-               Con_DPrintf("ResampleSfx: resampling sound %s\n", name);
                samplefrac = 0;
                if ((fracstep & 255) == 0) // skipping points on perfect multiple
                {
@@ -209,40 +207,26 @@ void ResampleSfx (sfxcache_t *sc, qbyte *data, char *name)
 
 /*
 ==============
-S_LoadSound
+S_LoadWavFile
 ==============
 */
-sfxcache_t *S_LoadSound (sfx_t *s, int complain)
+sfxcache_t *S_LoadWavFile (const char *filename, sfx_t *s)
 {
-    char namebuffer[256];
        qbyte *data;
        wavinfo_t info;
        int len;
        sfxcache_t *sc;
 
-       // see if still in memory
-       if (s->sfxcache)
-               return s->sfxcache;
-
-       // load it in
-       strcpy(namebuffer, "sound/");
-       strcat(namebuffer, s->name);
-
-       data = FS_LoadFile(namebuffer, false);
-
+       // Load the file
+       data = FS_LoadFile(filename, false);
        if (!data)
-       {
-               s->silentlymissing = !complain;
-               if (complain)
-                       Con_Printf ("Couldn't load %s\n", namebuffer);
                return NULL;
-       }
 
        info = GetWavinfo (s->name, data, fs_filesize);
-       // LordHavoc: stereo sounds are now allowed (intended for music)
+       // Stereo sounds are allowed (intended for music)
        if (info.channels < 1 || info.channels > 2)
        {
-               Con_Printf ("%s has an unsupported number of channels (%i)\n",s->name, info.channels);
+               Con_Printf("%s has an unsupported number of channels (%i)\n",s->name, info.channels);
                Mem_Free(data);
                return NULL;
        }
@@ -257,6 +241,7 @@ sfxcache_t *S_LoadSound (sfx_t *s, int complain)
        sc = s->sfxcache = Mem_Alloc(s->mempool, len + sizeof(sfxcache_t));
        if (!sc)
        {
+               Con_Printf("failed to allocate memory for sound \"%s\"\n", s->name);
                Mem_FreePool(&s->mempool);
                Mem_Free(data);
                return NULL;
@@ -268,13 +253,60 @@ sfxcache_t *S_LoadSound (sfx_t *s, int complain)
        sc->width = info.width;
        sc->stereo = info.channels == 2;
 
-       ResampleSfx (sc, data + info.dataofs, s->name);
+       ResampleSfx(sc, data + info.dataofs, s->name);
 
        Mem_Free(data);
        return sc;
 }
 
 
+/*
+==============
+S_LoadSound
+==============
+*/
+sfxcache_t *S_LoadSound (sfx_t *s, int complain)
+{
+       char namebuffer[MAX_QPATH];
+       size_t len;
+       sfxcache_t *sc;
+
+       // see if still in memory
+       if (!shm || !shm->speed)
+               return NULL;
+       if (s->sfxcache && (s->sfxcache->speed == shm->speed))
+               return s->sfxcache;
+
+       len = snprintf (namebuffer, sizeof (namebuffer), "sound/%s", s->name);
+       if (len >= sizeof (namebuffer))
+               return NULL;
+
+       // Try to load it as a WAV file
+       sc = S_LoadWavFile (namebuffer, s);
+
+       // TODO: insert Ogg Vorbis support here
+
+       // Can't load the sound!
+       if (sc == NULL)
+       {
+               s->silentlymissing = !complain;
+               if (complain)
+                       Con_Printf ("Couldn't load %s\n", namebuffer);
+               return NULL;
+       }
+
+       return sc;
+}
+
+void S_UnloadSound(sfx_t *s)
+{
+       if (s->sfxcache)
+       {
+               s->sfxcache = NULL;
+               Mem_FreePool(&s->mempool);
+       }
+}
+
 
 /*
 ===============================================================================