Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-// snd_mem.c: sound caching
+
#include "quakedef.h"
+#include "snd_main.h"
#include "snd_ogg.h"
#include "snd_wav.h"
+#ifdef USEXMP
+#include "snd_xmp.h"
+#endif
/*
-================
-ResampleSfx
-================
+====================
+Snd_CreateRingBuffer
+
+If "buffer" is NULL, the function allocates one buffer of "sampleframes" sample frames itself
+(if "sampleframes" is 0, the function chooses the size).
+====================
*/
-size_t ResampleSfx (const qbyte *in_data, size_t in_length, const snd_format_t* in_format, qbyte *out_data, const char* sfxname)
+snd_ringbuffer_t *Snd_CreateRingBuffer (const snd_format_t* format, unsigned int sampleframes, void* buffer)
{
- int samplefrac, fracstep;
- size_t i, srcsample, srclength, outcount;
+ snd_ringbuffer_t *ringbuffer;
- // this is usually 0.5 (128), 1 (256), or 2 (512)
- fracstep = ((double) in_format->speed / (double) shm->format.speed) * 256.0;
+ // If the caller provides a buffer, it must give us its size
+ if (sampleframes == 0 && buffer != NULL)
+ return NULL;
- srclength = in_length * in_format->channels;
+ ringbuffer = (snd_ringbuffer_t*)Mem_Alloc(snd_mempool, sizeof (*ringbuffer));
+ memset(ringbuffer, 0, sizeof(*ringbuffer));
+ memcpy(&ringbuffer->format, format, sizeof(ringbuffer->format));
- outcount = (double) in_length * (double) shm->format.speed / (double) in_format->speed;
- Con_DPrintf("ResampleSfx: resampling sound \"%s\" from %dHz to %dHz (%d samples to %d samples)\n",
- sfxname, in_format->speed, shm->format.speed, in_length, outcount);
+ // If we haven't been given a buffer
+ if (buffer == NULL)
+ {
+ unsigned int maxframes;
+ size_t memsize;
-// resample / decimate to the current source rate
+ if (sampleframes == 0)
+ maxframes = (format->speed + 1) / 2; // Make the sound buffer large enough for containing 0.5 sec of sound
+ else
+ maxframes = sampleframes;
- if (fracstep == 256)
- {
- // fast case for direct transfer
- if (in_format->width == 1) // 8bit
- for (i = 0;i < srclength;i++)
- ((signed char *)out_data)[i] = ((unsigned char *)in_data)[i] - 128;
- else //if (sb->width == 2) // 16bit
- for (i = 0;i < srclength;i++)
- ((short *)out_data)[i] = ((short *)in_data)[i];
+ memsize = maxframes * format->width * format->channels;
+ ringbuffer->ring = (unsigned char *) Mem_Alloc(snd_mempool, memsize);
+ ringbuffer->maxframes = maxframes;
}
else
{
- // general case
- samplefrac = 0;
- if ((fracstep & 255) == 0) // skipping points on perfect multiple
- {
- srcsample = 0;
- fracstep >>= 8;
- if (in_format->width == 2)
- {
- short *out = (short*)out_data;
- const short *in = (const short*)in_data;
- if (in_format->channels == 2) // LordHavoc: stereo sound support
- {
- fracstep <<= 1;
- for (i=0 ; i<outcount ; i++)
- {
- *out++ = in[srcsample ];
- *out++ = in[srcsample+1];
- srcsample += fracstep;
- }
- }
- else
- {
- for (i=0 ; i<outcount ; i++)
- {
- *out++ = in[srcsample];
- srcsample += fracstep;
- }
- }
- }
- else
- {
- signed char *out = out_data;
- const unsigned char *in = in_data;
- if (in_format->channels == 2)
- {
- fracstep <<= 1;
- for (i=0 ; i<outcount ; i++)
- {
- *out++ = in[srcsample ] - 128;
- *out++ = in[srcsample+1] - 128;
- srcsample += fracstep;
- }
- }
- else
- {
- for (i=0 ; i<outcount ; i++)
- {
- *out++ = in[srcsample ] - 128;
- srcsample += fracstep;
- }
- }
- }
- }
- else
- {
- int sample;
- int a, b;
- if (in_format->width == 2)
- {
- short *out = (short*)out_data;
- const short *in = (const short*)in_data;
- if (in_format->channels == 2)
- {
- for (i=0 ; i<outcount ; i++)
- {
- srcsample = (samplefrac >> 8) << 1;
- a = in[srcsample ];
- if (srcsample+2 >= srclength)
- b = 0;
- else
- b = in[srcsample+2];
- sample = (((b - a) * (samplefrac & 255)) >> 8) + a;
- *out++ = (short) sample;
- a = in[srcsample+1];
- if (srcsample+2 >= srclength)
- b = 0;
- else
- b = in[srcsample+3];
- sample = (((b - a) * (samplefrac & 255)) >> 8) + a;
- *out++ = (short) sample;
- samplefrac += fracstep;
- }
- }
- else
- {
- for (i=0 ; i<outcount ; i++)
- {
- srcsample = samplefrac >> 8;
- a = in[srcsample ];
- if (srcsample+1 >= srclength)
- b = 0;
- else
- b = in[srcsample+1];
- sample = (((b - a) * (samplefrac & 255)) >> 8) + a;
- *out++ = (short) sample;
- samplefrac += fracstep;
- }
- }
- }
- else
- {
- signed char *out = out_data;
- const unsigned char *in = in_data;
- if (in_format->channels == 2)
- {
- for (i=0 ; i<outcount ; i++)
- {
- srcsample = (samplefrac >> 8) << 1;
- a = (int) in[srcsample ] - 128;
- if (srcsample+2 >= srclength)
- b = 0;
- else
- b = (int) in[srcsample+2] - 128;
- sample = (((b - a) * (samplefrac & 255)) >> 8) + a;
- *out++ = (signed char) sample;
- a = (int) in[srcsample+1] - 128;
- if (srcsample+2 >= srclength)
- b = 0;
- else
- b = (int) in[srcsample+3] - 128;
- sample = (((b - a) * (samplefrac & 255)) >> 8) + a;
- *out++ = (signed char) sample;
- samplefrac += fracstep;
- }
- }
- else
- {
- for (i=0 ; i<outcount ; i++)
- {
- srcsample = samplefrac >> 8;
- a = (int) in[srcsample ] - 128;
- if (srcsample+1 >= srclength)
- b = 0;
- else
- b = (int) in[srcsample+1] - 128;
- sample = (((b - a) * (samplefrac & 255)) >> 8) + a;
- *out++ = (signed char) sample;
- samplefrac += fracstep;
- }
- }
- }
- }
+ ringbuffer->ring = (unsigned char *) buffer;
+ ringbuffer->maxframes = sampleframes;
}
- return outcount;
+ return ringbuffer;
}
+
//=============================================================================
/*
S_LoadSound
==============
*/
-qboolean S_LoadSound (sfx_t *s, qboolean complain)
+qboolean S_LoadSound (sfx_t *sfx, qboolean complain)
{
- char namebuffer[MAX_QPATH];
+ char namebuffer[MAX_QPATH + 16];
size_t len;
- qboolean modified_name = false;
- // see if still in memory
- if (!shm || !shm->format.speed)
- return false;
- if (s->fetcher != NULL)
- {
- if (s->format.speed != shm->format.speed)
- Sys_Error ("S_LoadSound: sound %s hasn't been resampled (%uHz instead of %uHz)", s->name);
+ // See if already loaded
+ if (sfx->fetcher != NULL)
return true;
- }
- len = strlcpy (namebuffer, s->name, sizeof (namebuffer));
- if (len >= sizeof (namebuffer))
+ // If we weren't able to load it previously, no need to retry
+ // Note: S_PrecacheSound clears this flag to cause a retry
+ if (sfx->flags & SFXFLAG_FILEMISSING)
return false;
- // Try to load it as a WAV file
- if (S_LoadWavFile (namebuffer, s))
- return true;
+ // No sound?
+ if (snd_renderbuffer == NULL)
+ return false;
- // Else, try to load it as an Ogg Vorbis file
- if (!strcasecmp (namebuffer + len - 4, ".wav"))
+ // Initialize volume peak to 0; if ReplayGain is supported, the loader will change this away
+ sfx->volume_peak = 0.0;
+
+ if (developer_loading.integer)
+ Con_Printf("loading sound %s\n", sfx->name);
+
+ SCR_PushLoadingScreen(sfx->name, 1);
+
+ // LadyHavoc: if the sound filename does not begin with sound/, try adding it
+ if (strncasecmp(sfx->name, "sound/", 6))
{
- strcpy (namebuffer + len - 3, "ogg");
- modified_name = true;
+ dpsnprintf (namebuffer, sizeof(namebuffer), "sound/%s", sfx->name);
+ len = strlen(namebuffer);
+ if (len >= 4 && !strcasecmp (namebuffer + len - 4, ".wav"))
+ {
+ if (S_LoadWavFile (namebuffer, sfx))
+ goto loaded;
+ memcpy (namebuffer + len - 3, "ogg", 4);
+ }
+ if (len >= 4 && !strcasecmp (namebuffer + len - 4, ".ogg"))
+ {
+ if (OGG_LoadVorbisFile (namebuffer, sfx))
+ goto loaded;
+ }
+#ifdef USEXMP
+ else if (len >= 1)
+ {
+ if (XMP_LoadModFile (namebuffer, sfx))
+ goto loaded;
+ }
+#endif
}
- if (OGG_LoadVorbisFile (namebuffer, s))
- return true;
- // Can't load the sound!
- if (!complain)
- s->flags |= SFXFLAG_SILENTLYMISSING;
- else
- s->flags &= ~SFXFLAG_SILENTLYMISSING;
- if (complain)
+ // LadyHavoc: then try without the added sound/ as wav and ogg
+ dpsnprintf (namebuffer, sizeof(namebuffer), "%s", sfx->name);
+ len = strlen(namebuffer);
+ // request foo.wav: tries foo.wav, then foo.ogg
+ // request foo.ogg: tries foo.ogg only
+ // request foo.mod: tries foo.mod only
+ if (len >= 4 && !strcasecmp (namebuffer + len - 4, ".wav"))
{
- if (modified_name)
- strcpy (namebuffer + len - 3, "wav");
- Con_Printf("Couldn't load %s\n", namebuffer);
+ if (S_LoadWavFile (namebuffer, sfx))
+ goto loaded;
+ memcpy (namebuffer + len - 3, "ogg", 4);
}
- return false;
-}
-
-void S_UnloadSound(sfx_t *s)
-{
- if (s->fetcher != NULL)
+ if (len >= 4 && !strcasecmp (namebuffer + len - 4, ".ogg"))
{
- unsigned int i;
+ if (OGG_LoadVorbisFile (namebuffer, sfx))
+ goto loaded;
+ }
+#ifdef USEXMP
+ else if (len >= 1)
+ {
+ if (XMP_LoadModFile (namebuffer, sfx))
+ goto loaded;
+ }
+#endif
- s->fetcher = NULL;
- s->fetcher_data = NULL;
- Mem_FreePool(&s->mempool);
+ // Can't load the sound!
+ sfx->flags |= SFXFLAG_FILEMISSING;
+ if (complain)
+ Con_DPrintf("failed to load sound \"%s\"\n", sfx->name);
- // At this point, some per-channel data pointers may point to freed zones.
- // Practically, it shouldn't be a problem; but it's wrong, so we fix that
- for (i = 0; i < total_channels ; i++)
- if (channels[i].sfx == s)
- channels[i].fetcher_data = NULL;
- }
+ SCR_PopLoadingScreen(false);
+ return false;
+
+loaded:
+ SCR_PopLoadingScreen(false);
+ return true;
}