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Diffstat (limited to 'ioq3-r437/src/client/snd_mem.c')
-rw-r--r--ioq3-r437/src/client/snd_mem.c265
1 files changed, 0 insertions, 265 deletions
diff --git a/ioq3-r437/src/client/snd_mem.c b/ioq3-r437/src/client/snd_mem.c
deleted file mode 100644
index 8c3f98e7..00000000
--- a/ioq3-r437/src/client/snd_mem.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
-
-This file is part of Quake III Arena source code.
-
-Quake III Arena source code is free software; you can redistribute it
-and/or modify it under the terms of the GNU General Public License as
-published by the Free Software Foundation; either version 2 of the License,
-or (at your option) any later version.
-
-Quake III Arena source code is distributed in the hope that it will be
-useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with Quake III Arena source code; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-===========================================================================
-*/
-
-/*****************************************************************************
- * name: snd_mem.c
- *
- * desc: sound caching
- *
- * $Archive: /MissionPack/code/client/snd_mem.c $
- *
- *****************************************************************************/
-
-#include "snd_local.h"
-#include "snd_codec.h"
-
-#define DEF_COMSOUNDMEGS "8"
-
-/*
-===============================================================================
-
-memory management
-
-===============================================================================
-*/
-
-static sndBuffer *buffer = NULL;
-static sndBuffer *freelist = NULL;
-static int inUse = 0;
-static int totalInUse = 0;
-
-short *sfxScratchBuffer = NULL;
-sfx_t *sfxScratchPointer = NULL;
-int sfxScratchIndex = 0;
-
-void SND_free(sndBuffer *v) {
- *(sndBuffer **)v = freelist;
- freelist = (sndBuffer*)v;
- inUse += sizeof(sndBuffer);
-}
-
-sndBuffer* SND_malloc(void) {
- sndBuffer *v;
-redo:
- if (freelist == NULL) {
- S_FreeOldestSound();
- goto redo;
- }
-
- inUse -= sizeof(sndBuffer);
- totalInUse += sizeof(sndBuffer);
-
- v = freelist;
- freelist = *(sndBuffer **)freelist;
- v->next = NULL;
- return v;
-}
-
-void SND_setup(void) {
- sndBuffer *p, *q;
- cvar_t *cv;
- int scs;
-
- cv = Cvar_Get( "com_soundMegs", DEF_COMSOUNDMEGS, CVAR_LATCH | CVAR_ARCHIVE );
-
- scs = (cv->integer*1536);
-
- buffer = malloc(scs*sizeof(sndBuffer) );
- // allocate the stack based hunk allocator
- sfxScratchBuffer = malloc(SND_CHUNK_SIZE * sizeof(short) * 4); //Hunk_Alloc(SND_CHUNK_SIZE * sizeof(short) * 4);
- sfxScratchPointer = NULL;
-
- inUse = scs*sizeof(sndBuffer);
- p = buffer;;
- q = p + scs;
- while (--q > p)
- *(sndBuffer **)q = q-1;
-
- *(sndBuffer **)q = NULL;
- freelist = p + scs - 1;
-
- Com_Printf("Sound memory manager started\n");
-}
-
-/*
-================
-ResampleSfx
-
-resample / decimate to the current source rate
-================
-*/
-static void ResampleSfx( sfx_t *sfx, int inrate, int inwidth, byte *data, qboolean compressed ) {
- int outcount;
- int srcsample;
- float stepscale;
- int i;
- int sample, samplefrac, fracstep;
- int part;
- sndBuffer *chunk;
-
- stepscale = (float)inrate / dma.speed; // this is usually 0.5, 1, or 2
-
- outcount = sfx->soundLength / stepscale;
- sfx->soundLength = outcount;
-
- samplefrac = 0;
- fracstep = stepscale * 256;
- chunk = sfx->soundData;
-
- for (i=0 ; i<outcount ; i++)
- {
- srcsample = samplefrac >> 8;
- samplefrac += fracstep;
- if( inwidth == 2 ) {
- sample = ( ((short *)data)[srcsample] );
- } else {
- sample = (int)( (unsigned char)(data[srcsample]) - 128) << 8;
- }
- part = (i&(SND_CHUNK_SIZE-1));
- if (part == 0) {
- sndBuffer *newchunk;
- newchunk = SND_malloc();
- if (chunk == NULL) {
- sfx->soundData = newchunk;
- } else {
- chunk->next = newchunk;
- }
- chunk = newchunk;
- }
-
- chunk->sndChunk[part] = sample;
- }
-}
-
-/*
-================
-ResampleSfx
-
-resample / decimate to the current source rate
-================
-*/
-static int ResampleSfxRaw( short *sfx, int inrate, int inwidth, int samples, byte *data ) {
- int outcount;
- int srcsample;
- float stepscale;
- int i;
- int sample, samplefrac, fracstep;
-
- stepscale = (float)inrate / dma.speed; // this is usually 0.5, 1, or 2
-
- outcount = samples / stepscale;
-
- samplefrac = 0;
- fracstep = stepscale * 256;
-
- for (i=0 ; i<outcount ; i++)
- {
- srcsample = samplefrac >> 8;
- samplefrac += fracstep;
- if( inwidth == 2 ) {
- sample = LittleShort ( ((short *)data)[srcsample] );
- } else {
- sample = (int)( (unsigned char)(data[srcsample]) - 128) << 8;
- }
- sfx[i] = sample;
- }
- return outcount;
-}
-
-//=============================================================================
-
-/*
-==============
-S_LoadSound
-
-The filename may be different than sfx->name in the case
-of a forced fallback of a player specific sound
-==============
-*/
-qboolean S_LoadSound( sfx_t *sfx )
-{
- byte *data;
- short *samples;
- snd_info_t info;
-// int size;
-
- // player specific sounds are never directly loaded
- if ( sfx->soundName[0] == '*') {
- return qfalse;
- }
-
- // load it in
- data = S_CodecLoad(sfx->soundName, &info);
- if(!data)
- return qfalse;
-
- if ( info.width == 1 ) {
- Com_DPrintf(S_COLOR_YELLOW "WARNING: %s is a 8 bit wav file\n", sfx->soundName);
- }
-
- if ( info.rate != 22050 ) {
- Com_DPrintf(S_COLOR_YELLOW "WARNING: %s is not a 22kHz wav file\n", sfx->soundName);
- }
-
- samples = Hunk_AllocateTempMemory(info.samples * sizeof(short) * 2);
-
- sfx->lastTimeUsed = Com_Milliseconds()+1;
-
- // each of these compression schemes works just fine
- // but the 16bit quality is much nicer and with a local
- // install assured we can rely upon the sound memory
- // manager to do the right thing for us and page
- // sound in as needed
-
- if( sfx->soundCompressed == qtrue) {
- sfx->soundCompressionMethod = 1;
- sfx->soundData = NULL;
- sfx->soundLength = ResampleSfxRaw( samples, info.rate, info.width, info.samples, data + info.dataofs );
- S_AdpcmEncodeSound(sfx, samples);
-#if 0
- } else if (info.samples>(SND_CHUNK_SIZE*16) && info.width >1) {
- sfx->soundCompressionMethod = 3;
- sfx->soundData = NULL;
- sfx->soundLength = ResampleSfxRaw( samples, info.rate, info.width, info.samples, (data + info.dataofs) );
- encodeMuLaw( sfx, samples);
- } else if (info.samples>(SND_CHUNK_SIZE*6400) && info.width >1) {
- sfx->soundCompressionMethod = 2;
- sfx->soundData = NULL;
- sfx->soundLength = ResampleSfxRaw( samples, info.rate, info.width, info.samples, (data + info.dataofs) );
- encodeWavelet( sfx, samples);
-#endif
- } else {
- sfx->soundCompressionMethod = 0;
- sfx->soundLength = info.samples;
- sfx->soundData = NULL;
- ResampleSfx( sfx, info.rate, info.width, data + info.dataofs, qfalse );
- }
-
- Hunk_FreeTempMemory(samples);
- Z_Free(data);
-
- return qtrue;
-}
-
-void S_DisplayFreeMemory(void) {
- Com_Printf("%d bytes free sound buffer memory, %d total used\n", inUse, totalInUse);
-}
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