mirror of
https://github.com/DrBeef/ioq3quest.git
synced 2024-11-29 23:32:23 +00:00
0cf10d2b77
channels-1 was displayed as '# stereo', affectively a boolean for mono or stereo. However '3 stereo' for quad surround sound doesn't make sense.
1619 lines
36 KiB
C
1619 lines
36 KiB
C
/*
|
|
===========================================================================
|
|
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_dma.c
|
|
*
|
|
* desc: main control for any streaming sound output device
|
|
*
|
|
* $Archive: /MissionPack/code/client/snd_dma.c $
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#include "snd_local.h"
|
|
#include "snd_codec.h"
|
|
#include "client.h"
|
|
|
|
void S_Update_( void );
|
|
void S_Base_StopAllSounds(void);
|
|
void S_Base_StopBackgroundTrack( void );
|
|
|
|
snd_stream_t *s_backgroundStream = NULL;
|
|
static char s_backgroundLoop[MAX_QPATH];
|
|
//static char s_backgroundMusic[MAX_QPATH]; //TTimo: unused
|
|
|
|
|
|
// =======================================================================
|
|
// Internal sound data & structures
|
|
// =======================================================================
|
|
|
|
// only begin attenuating sound volumes when outside the FULLVOLUME range
|
|
#define SOUND_FULLVOLUME 80
|
|
|
|
#define SOUND_ATTENUATE 0.0008f
|
|
|
|
channel_t s_channels[MAX_CHANNELS];
|
|
channel_t loop_channels[MAX_CHANNELS];
|
|
int numLoopChannels;
|
|
|
|
static int s_soundStarted;
|
|
static qboolean s_soundMuted;
|
|
|
|
dma_t dma;
|
|
|
|
static int listener_number;
|
|
static vec3_t listener_origin;
|
|
static vec3_t listener_axis[3];
|
|
|
|
int s_soundtime; // sample PAIRS
|
|
int s_paintedtime; // sample PAIRS
|
|
|
|
// MAX_SFX may be larger than MAX_SOUNDS because
|
|
// of custom player sounds
|
|
#define MAX_SFX 4096
|
|
sfx_t s_knownSfx[MAX_SFX];
|
|
int s_numSfx = 0;
|
|
|
|
#define LOOP_HASH 128
|
|
static sfx_t *sfxHash[LOOP_HASH];
|
|
|
|
cvar_t *s_testsound;
|
|
cvar_t *s_show;
|
|
cvar_t *s_mixahead;
|
|
cvar_t *s_mixPreStep;
|
|
|
|
static loopSound_t loopSounds[MAX_GENTITIES];
|
|
static channel_t *freelist = NULL;
|
|
|
|
int s_rawend[MAX_RAW_STREAMS];
|
|
portable_samplepair_t s_rawsamples[MAX_RAW_STREAMS][MAX_RAW_SAMPLES];
|
|
|
|
|
|
// ====================================================================
|
|
// User-setable variables
|
|
// ====================================================================
|
|
|
|
|
|
void S_Base_SoundInfo(void) {
|
|
Com_Printf("----- Sound Info -----\n" );
|
|
if (!s_soundStarted) {
|
|
Com_Printf ("sound system not started\n");
|
|
} else {
|
|
Com_Printf("%5d channels\n", dma.channels);
|
|
Com_Printf("%5d samples\n", dma.samples);
|
|
Com_Printf("%5d samplebits (%s)\n", dma.samplebits, dma.isfloat ? "float" : "int");
|
|
Com_Printf("%5d submission_chunk\n", dma.submission_chunk);
|
|
Com_Printf("%5d speed\n", dma.speed);
|
|
Com_Printf("%p dma buffer\n", dma.buffer);
|
|
if ( s_backgroundStream ) {
|
|
Com_Printf("Background file: %s\n", s_backgroundLoop );
|
|
} else {
|
|
Com_Printf("No background file.\n" );
|
|
}
|
|
|
|
}
|
|
Com_Printf("----------------------\n" );
|
|
}
|
|
|
|
|
|
#ifdef USE_VOIP
|
|
static
|
|
void S_Base_StartCapture( void )
|
|
{
|
|
SNDDMA_StartCapture();
|
|
}
|
|
|
|
static
|
|
int S_Base_AvailableCaptureSamples( void )
|
|
{
|
|
return SNDDMA_AvailableCaptureSamples();
|
|
}
|
|
|
|
static
|
|
void S_Base_Capture( int samples, byte *data )
|
|
{
|
|
SNDDMA_Capture(samples, data);
|
|
}
|
|
|
|
static
|
|
void S_Base_StopCapture( void )
|
|
{
|
|
SNDDMA_StopCapture();
|
|
}
|
|
|
|
static
|
|
void S_Base_MasterGain( float val )
|
|
{
|
|
SNDDMA_MasterGain(val);
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
=================
|
|
S_Base_SoundList
|
|
=================
|
|
*/
|
|
void S_Base_SoundList( void ) {
|
|
int i;
|
|
sfx_t *sfx;
|
|
int size, total;
|
|
char type[4][16];
|
|
char mem[2][16];
|
|
|
|
strcpy(type[0], "16bit");
|
|
strcpy(type[1], "adpcm");
|
|
strcpy(type[2], "daub4");
|
|
strcpy(type[3], "mulaw");
|
|
strcpy(mem[0], "paged out");
|
|
strcpy(mem[1], "resident ");
|
|
total = 0;
|
|
for (sfx=s_knownSfx, i=0 ; i<s_numSfx ; i++, sfx++) {
|
|
size = sfx->soundLength;
|
|
total += size;
|
|
Com_Printf("%6i[%s] : %s[%s]\n", size, type[sfx->soundCompressionMethod],
|
|
sfx->soundName, mem[sfx->inMemory] );
|
|
}
|
|
Com_Printf ("Total resident: %i\n", total);
|
|
S_DisplayFreeMemory();
|
|
}
|
|
|
|
|
|
|
|
void S_ChannelFree(channel_t *v) {
|
|
v->thesfx = NULL;
|
|
*(channel_t **)v = freelist;
|
|
freelist = (channel_t*)v;
|
|
}
|
|
|
|
channel_t* S_ChannelMalloc( void ) {
|
|
channel_t *v;
|
|
if (freelist == NULL) {
|
|
return NULL;
|
|
}
|
|
v = freelist;
|
|
freelist = *(channel_t **)freelist;
|
|
v->allocTime = Com_Milliseconds();
|
|
return v;
|
|
}
|
|
|
|
void S_ChannelSetup( void ) {
|
|
channel_t *p, *q;
|
|
|
|
// clear all the sounds so they don't
|
|
Com_Memset( s_channels, 0, sizeof( s_channels ) );
|
|
|
|
p = s_channels;;
|
|
q = p + MAX_CHANNELS;
|
|
while (--q > p) {
|
|
*(channel_t **)q = q-1;
|
|
}
|
|
|
|
*(channel_t **)q = NULL;
|
|
freelist = p + MAX_CHANNELS - 1;
|
|
Com_DPrintf("Channel memory manager started\n");
|
|
}
|
|
|
|
|
|
|
|
// =======================================================================
|
|
// Load a sound
|
|
// =======================================================================
|
|
|
|
/*
|
|
================
|
|
return a hash value for the sfx name
|
|
================
|
|
*/
|
|
static long S_HashSFXName(const char *name) {
|
|
int i;
|
|
long hash;
|
|
char letter;
|
|
|
|
hash = 0;
|
|
i = 0;
|
|
while (name[i] != '\0') {
|
|
letter = tolower(name[i]);
|
|
if (letter =='.') break; // don't include extension
|
|
if (letter =='\\') letter = '/'; // damn path names
|
|
hash+=(long)(letter)*(i+119);
|
|
i++;
|
|
}
|
|
hash &= (LOOP_HASH-1);
|
|
return hash;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
S_FindName
|
|
|
|
Will allocate a new sfx if it isn't found
|
|
==================
|
|
*/
|
|
static sfx_t *S_FindName( const char *name ) {
|
|
int i;
|
|
int hash;
|
|
|
|
sfx_t *sfx;
|
|
|
|
if (!name) {
|
|
Com_Error(ERR_FATAL, "Sound name is NULL");
|
|
}
|
|
|
|
if (!name[0]) {
|
|
Com_Printf( S_COLOR_YELLOW "WARNING: Sound name is empty\n" );
|
|
return NULL;
|
|
}
|
|
|
|
if (strlen(name) >= MAX_QPATH) {
|
|
Com_Printf( S_COLOR_YELLOW "WARNING: Sound name is too long: %s\n", name );
|
|
return NULL;
|
|
}
|
|
|
|
if (name[0] == '*') {
|
|
Com_Printf( S_COLOR_YELLOW "WARNING: Tried to load player sound directly: %s\n", name );
|
|
return NULL;
|
|
}
|
|
|
|
hash = S_HashSFXName(name);
|
|
|
|
sfx = sfxHash[hash];
|
|
// see if already loaded
|
|
while (sfx) {
|
|
if (!Q_stricmp(sfx->soundName, name) ) {
|
|
return sfx;
|
|
}
|
|
sfx = sfx->next;
|
|
}
|
|
|
|
// find a free sfx
|
|
for (i=0 ; i < s_numSfx ; i++) {
|
|
if (!s_knownSfx[i].soundName[0]) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == s_numSfx) {
|
|
if (s_numSfx == MAX_SFX) {
|
|
Com_Error (ERR_FATAL, "S_FindName: out of sfx_t");
|
|
}
|
|
s_numSfx++;
|
|
}
|
|
|
|
sfx = &s_knownSfx[i];
|
|
Com_Memset (sfx, 0, sizeof(*sfx));
|
|
strcpy (sfx->soundName, name);
|
|
|
|
sfx->next = sfxHash[hash];
|
|
sfxHash[hash] = sfx;
|
|
|
|
return sfx;
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_DefaultSound
|
|
=================
|
|
*/
|
|
void S_DefaultSound( sfx_t *sfx ) {
|
|
|
|
int i;
|
|
|
|
sfx->soundLength = 512;
|
|
sfx->soundData = SND_malloc();
|
|
sfx->soundData->next = NULL;
|
|
|
|
|
|
for ( i = 0 ; i < sfx->soundLength ; i++ ) {
|
|
sfx->soundData->sndChunk[i] = i;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
S_DisableSounds
|
|
|
|
Disables sounds until the next S_BeginRegistration.
|
|
This is called when the hunk is cleared and the sounds
|
|
are no longer valid.
|
|
===================
|
|
*/
|
|
void S_Base_DisableSounds( void ) {
|
|
S_Base_StopAllSounds();
|
|
s_soundMuted = qtrue;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
S_RegisterSound
|
|
|
|
Creates a default buzz sound if the file can't be loaded
|
|
==================
|
|
*/
|
|
sfxHandle_t S_Base_RegisterSound( const char *name, qboolean compressed ) {
|
|
sfx_t *sfx;
|
|
|
|
compressed = qfalse;
|
|
if (!s_soundStarted) {
|
|
return 0;
|
|
}
|
|
|
|
sfx = S_FindName( name );
|
|
if ( !sfx ) {
|
|
return 0;
|
|
}
|
|
|
|
if ( sfx->soundData ) {
|
|
if ( sfx->defaultSound ) {
|
|
Com_Printf( S_COLOR_YELLOW "WARNING: could not find %s - using default\n", sfx->soundName );
|
|
return 0;
|
|
}
|
|
return sfx - s_knownSfx;
|
|
}
|
|
|
|
sfx->inMemory = qfalse;
|
|
sfx->soundCompressed = compressed;
|
|
|
|
S_memoryLoad(sfx);
|
|
|
|
if ( sfx->defaultSound ) {
|
|
Com_Printf( S_COLOR_YELLOW "WARNING: could not find %s - using default\n", sfx->soundName );
|
|
return 0;
|
|
}
|
|
|
|
return sfx - s_knownSfx;
|
|
}
|
|
|
|
/*
|
|
=====================
|
|
S_BeginRegistration
|
|
|
|
=====================
|
|
*/
|
|
void S_Base_BeginRegistration( void ) {
|
|
s_soundMuted = qfalse; // we can play again
|
|
|
|
if (s_numSfx == 0) {
|
|
SND_setup();
|
|
|
|
Com_Memset(s_knownSfx, '\0', sizeof(s_knownSfx));
|
|
Com_Memset(sfxHash, '\0', sizeof(sfx_t *) * LOOP_HASH);
|
|
|
|
S_Base_RegisterSound("sound/feedback/hit.wav", qfalse); // changed to a sound in baseq3
|
|
}
|
|
}
|
|
|
|
void S_memoryLoad(sfx_t *sfx) {
|
|
// load the sound file
|
|
if ( !S_LoadSound ( sfx ) ) {
|
|
// Com_Printf( S_COLOR_YELLOW "WARNING: couldn't load sound: %s\n", sfx->soundName );
|
|
sfx->defaultSound = qtrue;
|
|
}
|
|
sfx->inMemory = qtrue;
|
|
}
|
|
|
|
//=============================================================================
|
|
|
|
/*
|
|
=================
|
|
S_SpatializeOrigin
|
|
|
|
Used for spatializing s_channels
|
|
=================
|
|
*/
|
|
void S_SpatializeOrigin (vec3_t origin, int master_vol, int *left_vol, int *right_vol)
|
|
{
|
|
vec_t dot;
|
|
vec_t dist;
|
|
vec_t lscale, rscale, scale;
|
|
vec3_t source_vec;
|
|
vec3_t vec;
|
|
|
|
const float dist_mult = SOUND_ATTENUATE;
|
|
|
|
// calculate stereo separation and distance attenuation
|
|
VectorSubtract(origin, listener_origin, source_vec);
|
|
|
|
dist = VectorNormalize(source_vec);
|
|
dist -= SOUND_FULLVOLUME;
|
|
if (dist < 0)
|
|
dist = 0; // close enough to be at full volume
|
|
dist *= dist_mult; // different attenuation levels
|
|
|
|
VectorRotate( source_vec, listener_axis, vec );
|
|
|
|
dot = -vec[1];
|
|
|
|
if (dma.channels == 1)
|
|
{ // no attenuation = no spatialization
|
|
rscale = 1.0;
|
|
lscale = 1.0;
|
|
}
|
|
else
|
|
{
|
|
rscale = 0.5 * (1.0 + dot);
|
|
lscale = 0.5 * (1.0 - dot);
|
|
if ( rscale < 0 ) {
|
|
rscale = 0;
|
|
}
|
|
if ( lscale < 0 ) {
|
|
lscale = 0;
|
|
}
|
|
}
|
|
|
|
// add in distance effect
|
|
scale = (1.0 - dist) * rscale;
|
|
*right_vol = (master_vol * scale);
|
|
if (*right_vol < 0)
|
|
*right_vol = 0;
|
|
|
|
scale = (1.0 - dist) * lscale;
|
|
*left_vol = (master_vol * scale);
|
|
if (*left_vol < 0)
|
|
*left_vol = 0;
|
|
}
|
|
|
|
// =======================================================================
|
|
// Start a sound effect
|
|
// =======================================================================
|
|
|
|
/*
|
|
=================
|
|
S_Base_HearingThroughEntity
|
|
|
|
Also see S_AL_HearingThroughEntity
|
|
=================
|
|
*/
|
|
static qboolean S_Base_HearingThroughEntity( int entityNum, vec3_t origin )
|
|
{
|
|
float distanceSq;
|
|
vec3_t sorigin;
|
|
|
|
if (origin)
|
|
VectorCopy(origin, sorigin);
|
|
else
|
|
VectorCopy(loopSounds[entityNum].origin, sorigin);
|
|
|
|
if( listener_number == entityNum )
|
|
{
|
|
// This is an outrageous hack to detect
|
|
// whether or not the player is rendering in third person or not. We can't
|
|
// ask the renderer because the renderer has no notion of entities and we
|
|
// can't ask cgame since that would involve changing the API and hence mod
|
|
// compatibility. I don't think there is any way around this, but I'll leave
|
|
// the FIXME just in case anyone has a bright idea.
|
|
distanceSq = DistanceSquared(
|
|
sorigin,
|
|
listener_origin );
|
|
|
|
if( distanceSq > THIRD_PERSON_THRESHOLD_SQ )
|
|
return qfalse; //we're the player, but third person
|
|
else
|
|
return qtrue; //we're the player
|
|
}
|
|
else
|
|
return qfalse; //not the player
|
|
}
|
|
|
|
/*
|
|
====================
|
|
S_Base_StartSoundEx
|
|
|
|
Validates the parms and ques the sound up
|
|
if origin is NULL, the sound will be dynamically sourced from the entity
|
|
Entchannel 0 will never override a playing sound
|
|
====================
|
|
*/
|
|
static void S_Base_StartSoundEx( vec3_t origin, int entityNum, int entchannel, sfxHandle_t sfxHandle, qboolean localSound ) {
|
|
channel_t *ch;
|
|
sfx_t *sfx;
|
|
int i, oldest, chosen, time;
|
|
int inplay, allowed;
|
|
qboolean fullVolume;
|
|
|
|
if ( !s_soundStarted || s_soundMuted ) {
|
|
return;
|
|
}
|
|
|
|
if ( !origin && ( entityNum < 0 || entityNum >= MAX_GENTITIES ) ) {
|
|
Com_Error( ERR_DROP, "S_StartSound: bad entitynum %i", entityNum );
|
|
}
|
|
|
|
if ( sfxHandle < 0 || sfxHandle >= s_numSfx ) {
|
|
Com_Printf( S_COLOR_YELLOW "S_StartSound: handle %i out of range\n", sfxHandle );
|
|
return;
|
|
}
|
|
|
|
sfx = &s_knownSfx[ sfxHandle ];
|
|
|
|
if (sfx->inMemory == qfalse) {
|
|
S_memoryLoad(sfx);
|
|
}
|
|
|
|
if ( s_show->integer == 1 ) {
|
|
Com_Printf( "%i : %s\n", s_paintedtime, sfx->soundName );
|
|
}
|
|
|
|
time = Com_Milliseconds();
|
|
|
|
// Com_Printf("playing %s\n", sfx->soundName);
|
|
// pick a channel to play on
|
|
|
|
allowed = 4;
|
|
if (entityNum == listener_number) {
|
|
allowed = 8;
|
|
}
|
|
|
|
fullVolume = qfalse;
|
|
if (localSound || S_Base_HearingThroughEntity(entityNum, origin)) {
|
|
fullVolume = qtrue;
|
|
}
|
|
|
|
ch = s_channels;
|
|
inplay = 0;
|
|
for ( i = 0; i < MAX_CHANNELS ; i++, ch++ ) {
|
|
if (ch->entnum == entityNum && ch->thesfx == sfx) {
|
|
if (time - ch->allocTime < 50) {
|
|
// if (Cvar_VariableValue( "cg_showmiss" )) {
|
|
// Com_Printf("double sound start\n");
|
|
// }
|
|
return;
|
|
}
|
|
inplay++;
|
|
}
|
|
}
|
|
|
|
if (inplay>allowed) {
|
|
return;
|
|
}
|
|
|
|
sfx->lastTimeUsed = time;
|
|
|
|
ch = S_ChannelMalloc(); // entityNum, entchannel);
|
|
if (!ch) {
|
|
ch = s_channels;
|
|
|
|
oldest = sfx->lastTimeUsed;
|
|
chosen = -1;
|
|
for ( i = 0 ; i < MAX_CHANNELS ; i++, ch++ ) {
|
|
if (ch->entnum != listener_number && ch->entnum == entityNum && ch->allocTime<oldest && ch->entchannel != CHAN_ANNOUNCER) {
|
|
oldest = ch->allocTime;
|
|
chosen = i;
|
|
}
|
|
}
|
|
if (chosen == -1) {
|
|
ch = s_channels;
|
|
for ( i = 0 ; i < MAX_CHANNELS ; i++, ch++ ) {
|
|
if (ch->entnum != listener_number && ch->allocTime<oldest && ch->entchannel != CHAN_ANNOUNCER) {
|
|
oldest = ch->allocTime;
|
|
chosen = i;
|
|
}
|
|
}
|
|
if (chosen == -1) {
|
|
ch = s_channels;
|
|
if (ch->entnum == listener_number) {
|
|
for ( i = 0 ; i < MAX_CHANNELS ; i++, ch++ ) {
|
|
if (ch->allocTime<oldest) {
|
|
oldest = ch->allocTime;
|
|
chosen = i;
|
|
}
|
|
}
|
|
}
|
|
if (chosen == -1) {
|
|
Com_Printf("dropping sound\n");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
ch = &s_channels[chosen];
|
|
ch->allocTime = sfx->lastTimeUsed;
|
|
}
|
|
|
|
if (origin) {
|
|
VectorCopy (origin, ch->origin);
|
|
ch->fixed_origin = qtrue;
|
|
} else {
|
|
ch->fixed_origin = qfalse;
|
|
}
|
|
|
|
ch->master_vol = 127;
|
|
ch->entnum = entityNum;
|
|
ch->thesfx = sfx;
|
|
ch->startSample = START_SAMPLE_IMMEDIATE;
|
|
ch->entchannel = entchannel;
|
|
ch->leftvol = ch->master_vol; // these will get calced at next spatialize
|
|
ch->rightvol = ch->master_vol; // unless the game isn't running
|
|
ch->doppler = qfalse;
|
|
ch->fullVolume = fullVolume;
|
|
}
|
|
|
|
/*
|
|
====================
|
|
S_StartSound
|
|
|
|
if origin is NULL, the sound will be dynamically sourced from the entity
|
|
====================
|
|
*/
|
|
void S_Base_StartSound( vec3_t origin, int entityNum, int entchannel, sfxHandle_t sfxHandle ) {
|
|
S_Base_StartSoundEx( origin, entityNum, entchannel, sfxHandle, qfalse );
|
|
}
|
|
|
|
/*
|
|
==================
|
|
S_StartLocalSound
|
|
==================
|
|
*/
|
|
void S_Base_StartLocalSound( sfxHandle_t sfxHandle, int channelNum ) {
|
|
if ( !s_soundStarted || s_soundMuted ) {
|
|
return;
|
|
}
|
|
|
|
if ( sfxHandle < 0 || sfxHandle >= s_numSfx ) {
|
|
Com_Printf( S_COLOR_YELLOW "S_StartLocalSound: handle %i out of range\n", sfxHandle );
|
|
return;
|
|
}
|
|
|
|
S_Base_StartSoundEx( NULL, listener_number, channelNum, sfxHandle, qtrue );
|
|
}
|
|
|
|
|
|
/*
|
|
==================
|
|
S_ClearSoundBuffer
|
|
|
|
If we are about to perform file access, clear the buffer
|
|
so sound doesn't stutter.
|
|
==================
|
|
*/
|
|
void S_Base_ClearSoundBuffer( void ) {
|
|
int clear;
|
|
|
|
if (!s_soundStarted)
|
|
return;
|
|
|
|
// stop looping sounds
|
|
Com_Memset(loopSounds, 0, MAX_GENTITIES*sizeof(loopSound_t));
|
|
Com_Memset(loop_channels, 0, MAX_CHANNELS*sizeof(channel_t));
|
|
numLoopChannels = 0;
|
|
|
|
S_ChannelSetup();
|
|
|
|
Com_Memset(s_rawend, '\0', sizeof (s_rawend));
|
|
|
|
if (dma.samplebits == 8)
|
|
clear = 0x80;
|
|
else
|
|
clear = 0;
|
|
|
|
SNDDMA_BeginPainting ();
|
|
if (dma.buffer)
|
|
Com_Memset(dma.buffer, clear, dma.samples * dma.samplebits/8);
|
|
SNDDMA_Submit ();
|
|
}
|
|
|
|
/*
|
|
==================
|
|
S_StopAllSounds
|
|
==================
|
|
*/
|
|
void S_Base_StopAllSounds(void) {
|
|
if ( !s_soundStarted ) {
|
|
return;
|
|
}
|
|
|
|
// stop the background music
|
|
S_Base_StopBackgroundTrack();
|
|
|
|
S_Base_ClearSoundBuffer ();
|
|
}
|
|
|
|
/*
|
|
==============================================================
|
|
|
|
continuous looping sounds are added each frame
|
|
|
|
==============================================================
|
|
*/
|
|
|
|
void S_Base_StopLoopingSound(int entityNum) {
|
|
loopSounds[entityNum].active = qfalse;
|
|
// loopSounds[entityNum].sfx = 0;
|
|
loopSounds[entityNum].kill = qfalse;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
S_ClearLoopingSounds
|
|
|
|
==================
|
|
*/
|
|
void S_Base_ClearLoopingSounds( qboolean killall ) {
|
|
int i;
|
|
for ( i = 0 ; i < MAX_GENTITIES ; i++) {
|
|
if (killall || loopSounds[i].kill == qtrue || (loopSounds[i].sfx && loopSounds[i].sfx->soundLength == 0)) {
|
|
S_Base_StopLoopingSound(i);
|
|
}
|
|
}
|
|
numLoopChannels = 0;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
S_AddLoopingSound
|
|
|
|
Called during entity generation for a frame
|
|
Include velocity in case I get around to doing doppler...
|
|
==================
|
|
*/
|
|
void S_Base_AddLoopingSound( int entityNum, const vec3_t origin, const vec3_t velocity, sfxHandle_t sfxHandle ) {
|
|
sfx_t *sfx;
|
|
|
|
if ( !s_soundStarted || s_soundMuted ) {
|
|
return;
|
|
}
|
|
|
|
if ( sfxHandle < 0 || sfxHandle >= s_numSfx ) {
|
|
Com_Printf( S_COLOR_YELLOW "S_AddLoopingSound: handle %i out of range\n", sfxHandle );
|
|
return;
|
|
}
|
|
|
|
sfx = &s_knownSfx[ sfxHandle ];
|
|
|
|
if (sfx->inMemory == qfalse) {
|
|
S_memoryLoad(sfx);
|
|
}
|
|
|
|
if ( !sfx->soundLength ) {
|
|
Com_Error( ERR_DROP, "%s has length 0", sfx->soundName );
|
|
}
|
|
|
|
VectorCopy( origin, loopSounds[entityNum].origin );
|
|
VectorCopy( velocity, loopSounds[entityNum].velocity );
|
|
loopSounds[entityNum].active = qtrue;
|
|
loopSounds[entityNum].kill = qtrue;
|
|
loopSounds[entityNum].doppler = qfalse;
|
|
loopSounds[entityNum].oldDopplerScale = 1.0;
|
|
loopSounds[entityNum].dopplerScale = 1.0;
|
|
loopSounds[entityNum].sfx = sfx;
|
|
|
|
if (s_doppler->integer && VectorLengthSquared(velocity)>0.0) {
|
|
vec3_t out;
|
|
float lena, lenb;
|
|
|
|
loopSounds[entityNum].doppler = qtrue;
|
|
lena = DistanceSquared(loopSounds[listener_number].origin, loopSounds[entityNum].origin);
|
|
VectorAdd(loopSounds[entityNum].origin, loopSounds[entityNum].velocity, out);
|
|
lenb = DistanceSquared(loopSounds[listener_number].origin, out);
|
|
if ((loopSounds[entityNum].framenum+1) != cls.framecount) {
|
|
loopSounds[entityNum].oldDopplerScale = 1.0;
|
|
} else {
|
|
loopSounds[entityNum].oldDopplerScale = loopSounds[entityNum].dopplerScale;
|
|
}
|
|
loopSounds[entityNum].dopplerScale = lenb/(lena*100);
|
|
if (loopSounds[entityNum].dopplerScale<=1.0) {
|
|
loopSounds[entityNum].doppler = qfalse; // don't bother doing the math
|
|
} else if (loopSounds[entityNum].dopplerScale>MAX_DOPPLER_SCALE) {
|
|
loopSounds[entityNum].dopplerScale = MAX_DOPPLER_SCALE;
|
|
}
|
|
}
|
|
|
|
loopSounds[entityNum].framenum = cls.framecount;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
S_AddLoopingSound
|
|
|
|
Called during entity generation for a frame
|
|
Include velocity in case I get around to doing doppler...
|
|
==================
|
|
*/
|
|
void S_Base_AddRealLoopingSound( int entityNum, const vec3_t origin, const vec3_t velocity, sfxHandle_t sfxHandle ) {
|
|
sfx_t *sfx;
|
|
|
|
if ( !s_soundStarted || s_soundMuted ) {
|
|
return;
|
|
}
|
|
|
|
if ( sfxHandle < 0 || sfxHandle >= s_numSfx ) {
|
|
Com_Printf( S_COLOR_YELLOW "S_AddRealLoopingSound: handle %i out of range\n", sfxHandle );
|
|
return;
|
|
}
|
|
|
|
sfx = &s_knownSfx[ sfxHandle ];
|
|
|
|
if (sfx->inMemory == qfalse) {
|
|
S_memoryLoad(sfx);
|
|
}
|
|
|
|
if ( !sfx->soundLength ) {
|
|
Com_Error( ERR_DROP, "%s has length 0", sfx->soundName );
|
|
}
|
|
VectorCopy( origin, loopSounds[entityNum].origin );
|
|
VectorCopy( velocity, loopSounds[entityNum].velocity );
|
|
loopSounds[entityNum].sfx = sfx;
|
|
loopSounds[entityNum].active = qtrue;
|
|
loopSounds[entityNum].kill = qfalse;
|
|
loopSounds[entityNum].doppler = qfalse;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
==================
|
|
S_AddLoopSounds
|
|
|
|
Spatialize all of the looping sounds.
|
|
All sounds are on the same cycle, so any duplicates can just
|
|
sum up the channel multipliers.
|
|
==================
|
|
*/
|
|
void S_AddLoopSounds (void) {
|
|
int i, j, time;
|
|
int left_total, right_total, left, right;
|
|
channel_t *ch;
|
|
loopSound_t *loop, *loop2;
|
|
static int loopFrame;
|
|
|
|
|
|
numLoopChannels = 0;
|
|
|
|
time = Com_Milliseconds();
|
|
|
|
loopFrame++;
|
|
for ( i = 0 ; i < MAX_GENTITIES ; i++) {
|
|
loop = &loopSounds[i];
|
|
if ( !loop->active || loop->mergeFrame == loopFrame ) {
|
|
continue; // already merged into an earlier sound
|
|
}
|
|
|
|
if (loop->kill) {
|
|
S_SpatializeOrigin( loop->origin, 127, &left_total, &right_total); // 3d
|
|
} else {
|
|
S_SpatializeOrigin( loop->origin, 90, &left_total, &right_total); // sphere
|
|
}
|
|
|
|
loop->sfx->lastTimeUsed = time;
|
|
|
|
for (j=(i+1); j< MAX_GENTITIES ; j++) {
|
|
loop2 = &loopSounds[j];
|
|
if ( !loop2->active || loop2->doppler || loop2->sfx != loop->sfx) {
|
|
continue;
|
|
}
|
|
loop2->mergeFrame = loopFrame;
|
|
|
|
if (loop2->kill) {
|
|
S_SpatializeOrigin( loop2->origin, 127, &left, &right); // 3d
|
|
} else {
|
|
S_SpatializeOrigin( loop2->origin, 90, &left, &right); // sphere
|
|
}
|
|
|
|
loop2->sfx->lastTimeUsed = time;
|
|
left_total += left;
|
|
right_total += right;
|
|
}
|
|
if (left_total == 0 && right_total == 0) {
|
|
continue; // not audible
|
|
}
|
|
|
|
// allocate a channel
|
|
ch = &loop_channels[numLoopChannels];
|
|
|
|
if (left_total > 255) {
|
|
left_total = 255;
|
|
}
|
|
if (right_total > 255) {
|
|
right_total = 255;
|
|
}
|
|
|
|
ch->master_vol = 127;
|
|
ch->leftvol = left_total;
|
|
ch->rightvol = right_total;
|
|
ch->thesfx = loop->sfx;
|
|
ch->doppler = loop->doppler;
|
|
ch->dopplerScale = loop->dopplerScale;
|
|
ch->oldDopplerScale = loop->oldDopplerScale;
|
|
ch->fullVolume = qfalse;
|
|
numLoopChannels++;
|
|
if (numLoopChannels == MAX_CHANNELS) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
//=============================================================================
|
|
|
|
/*
|
|
=================
|
|
S_ByteSwapRawSamples
|
|
|
|
If raw data has been loaded in little endien binary form, this must be done.
|
|
If raw data was calculated, as with ADPCM, this should not be called.
|
|
=================
|
|
*/
|
|
void S_ByteSwapRawSamples( int samples, int width, int s_channels, const byte *data ) {
|
|
int i;
|
|
|
|
if ( width != 2 ) {
|
|
return;
|
|
}
|
|
if ( LittleShort( 256 ) == 256 ) {
|
|
return;
|
|
}
|
|
|
|
if ( s_channels == 2 ) {
|
|
samples <<= 1;
|
|
}
|
|
for ( i = 0 ; i < samples ; i++ ) {
|
|
((short *)data)[i] = LittleShort( ((short *)data)[i] );
|
|
}
|
|
}
|
|
|
|
/*
|
|
============
|
|
S_Base_RawSamples
|
|
|
|
Music streaming
|
|
============
|
|
*/
|
|
void S_Base_RawSamples( int stream, int samples, int rate, int width, int s_channels, const byte *data, float volume, int entityNum)
|
|
{
|
|
int i;
|
|
int src, dst;
|
|
float scale;
|
|
int intVolumeLeft, intVolumeRight;
|
|
portable_samplepair_t *rawsamples;
|
|
|
|
if ( !s_soundStarted || s_soundMuted ) {
|
|
return;
|
|
}
|
|
|
|
if ( (stream < 0) || (stream >= MAX_RAW_STREAMS) ) {
|
|
return;
|
|
}
|
|
|
|
rawsamples = s_rawsamples[stream];
|
|
|
|
if ( s_muted->integer ) {
|
|
intVolumeLeft = intVolumeRight = 0;
|
|
} else {
|
|
int leftvol, rightvol;
|
|
|
|
if ( entityNum >= 0 && entityNum < MAX_GENTITIES ) {
|
|
// support spatialized raw streams, e.g. for VoIP
|
|
S_SpatializeOrigin( loopSounds[ entityNum ].origin, 256, &leftvol, &rightvol );
|
|
} else {
|
|
leftvol = rightvol = 256;
|
|
}
|
|
|
|
intVolumeLeft = leftvol * volume * s_volume->value;
|
|
intVolumeRight = rightvol * volume * s_volume->value;
|
|
}
|
|
|
|
if ( s_rawend[stream] < s_soundtime ) {
|
|
Com_DPrintf( "S_Base_RawSamples: resetting minimum: %i < %i\n", s_rawend[stream], s_soundtime );
|
|
s_rawend[stream] = s_soundtime;
|
|
}
|
|
|
|
scale = (float)rate / dma.speed;
|
|
|
|
//Com_Printf ("%i < %i < %i\n", s_soundtime, s_paintedtime, s_rawend[stream]);
|
|
if (s_channels == 2 && width == 2)
|
|
{
|
|
if (scale == 1.0)
|
|
{ // optimized case
|
|
for (i=0 ; i<samples ; i++)
|
|
{
|
|
dst = s_rawend[stream]&(MAX_RAW_SAMPLES-1);
|
|
s_rawend[stream]++;
|
|
rawsamples[dst].left = ((short *)data)[i*2] * intVolumeLeft;
|
|
rawsamples[dst].right = ((short *)data)[i*2+1] * intVolumeRight;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i=0 ; ; i++)
|
|
{
|
|
src = i*scale;
|
|
if (src >= samples)
|
|
break;
|
|
dst = s_rawend[stream]&(MAX_RAW_SAMPLES-1);
|
|
s_rawend[stream]++;
|
|
rawsamples[dst].left = ((short *)data)[src*2] * intVolumeLeft;
|
|
rawsamples[dst].right = ((short *)data)[src*2+1] * intVolumeRight;
|
|
}
|
|
}
|
|
}
|
|
else if (s_channels == 1 && width == 2)
|
|
{
|
|
for (i=0 ; ; i++)
|
|
{
|
|
src = i*scale;
|
|
if (src >= samples)
|
|
break;
|
|
dst = s_rawend[stream]&(MAX_RAW_SAMPLES-1);
|
|
s_rawend[stream]++;
|
|
rawsamples[dst].left = ((short *)data)[src] * intVolumeLeft;
|
|
rawsamples[dst].right = ((short *)data)[src] * intVolumeRight;
|
|
}
|
|
}
|
|
else if (s_channels == 2 && width == 1)
|
|
{
|
|
intVolumeLeft *= 256;
|
|
intVolumeRight *= 256;
|
|
|
|
for (i=0 ; ; i++)
|
|
{
|
|
src = i*scale;
|
|
if (src >= samples)
|
|
break;
|
|
dst = s_rawend[stream]&(MAX_RAW_SAMPLES-1);
|
|
s_rawend[stream]++;
|
|
rawsamples[dst].left = ((char *)data)[src*2] * intVolumeLeft;
|
|
rawsamples[dst].right = ((char *)data)[src*2+1] * intVolumeRight;
|
|
}
|
|
}
|
|
else if (s_channels == 1 && width == 1)
|
|
{
|
|
intVolumeLeft *= 256;
|
|
intVolumeRight *= 256;
|
|
|
|
for (i=0 ; ; i++)
|
|
{
|
|
src = i*scale;
|
|
if (src >= samples)
|
|
break;
|
|
dst = s_rawend[stream]&(MAX_RAW_SAMPLES-1);
|
|
s_rawend[stream]++;
|
|
rawsamples[dst].left = (((byte *)data)[src]-128) * intVolumeLeft;
|
|
rawsamples[dst].right = (((byte *)data)[src]-128) * intVolumeRight;
|
|
}
|
|
}
|
|
|
|
if ( s_rawend[stream] > s_soundtime + MAX_RAW_SAMPLES ) {
|
|
Com_DPrintf( "S_Base_RawSamples: overflowed %i > %i\n", s_rawend[stream], s_soundtime );
|
|
}
|
|
}
|
|
|
|
//=============================================================================
|
|
|
|
/*
|
|
=====================
|
|
S_UpdateEntityPosition
|
|
|
|
let the sound system know where an entity currently is
|
|
======================
|
|
*/
|
|
void S_Base_UpdateEntityPosition( int entityNum, const vec3_t origin ) {
|
|
if ( entityNum < 0 || entityNum >= MAX_GENTITIES ) {
|
|
Com_Error( ERR_DROP, "S_UpdateEntityPosition: bad entitynum %i", entityNum );
|
|
}
|
|
VectorCopy( origin, loopSounds[entityNum].origin );
|
|
}
|
|
|
|
|
|
/*
|
|
============
|
|
S_Respatialize
|
|
|
|
Change the volumes of all the playing sounds for changes in their positions
|
|
============
|
|
*/
|
|
void S_Base_Respatialize( int entityNum, const vec3_t head, vec3_t axis[3], int inwater ) {
|
|
int i;
|
|
channel_t *ch;
|
|
vec3_t origin;
|
|
|
|
if ( !s_soundStarted || s_soundMuted ) {
|
|
return;
|
|
}
|
|
|
|
listener_number = entityNum;
|
|
VectorCopy(head, listener_origin);
|
|
VectorCopy(axis[0], listener_axis[0]);
|
|
VectorCopy(axis[1], listener_axis[1]);
|
|
VectorCopy(axis[2], listener_axis[2]);
|
|
|
|
// update spatialization for dynamic sounds
|
|
ch = s_channels;
|
|
for ( i = 0 ; i < MAX_CHANNELS ; i++, ch++ ) {
|
|
if ( !ch->thesfx ) {
|
|
continue;
|
|
}
|
|
// local and first person sounds will always be full volume
|
|
if (ch->fullVolume) {
|
|
ch->leftvol = ch->master_vol;
|
|
ch->rightvol = ch->master_vol;
|
|
} else {
|
|
if (ch->fixed_origin) {
|
|
VectorCopy( ch->origin, origin );
|
|
} else {
|
|
VectorCopy( loopSounds[ ch->entnum ].origin, origin );
|
|
}
|
|
|
|
S_SpatializeOrigin (origin, ch->master_vol, &ch->leftvol, &ch->rightvol);
|
|
}
|
|
}
|
|
|
|
// add loopsounds
|
|
S_AddLoopSounds ();
|
|
}
|
|
|
|
|
|
/*
|
|
========================
|
|
S_ScanChannelStarts
|
|
|
|
Returns qtrue if any new sounds were started since the last mix
|
|
========================
|
|
*/
|
|
qboolean S_ScanChannelStarts( void ) {
|
|
channel_t *ch;
|
|
int i;
|
|
qboolean newSamples;
|
|
|
|
newSamples = qfalse;
|
|
ch = s_channels;
|
|
|
|
for (i=0; i<MAX_CHANNELS ; i++, ch++) {
|
|
if ( !ch->thesfx ) {
|
|
continue;
|
|
}
|
|
// if this channel was just started this frame,
|
|
// set the sample count to it begins mixing
|
|
// into the very first sample
|
|
if ( ch->startSample == START_SAMPLE_IMMEDIATE ) {
|
|
ch->startSample = s_paintedtime;
|
|
newSamples = qtrue;
|
|
continue;
|
|
}
|
|
|
|
// if it is completely finished by now, clear it
|
|
if ( ch->startSample + (ch->thesfx->soundLength) <= s_paintedtime ) {
|
|
S_ChannelFree(ch);
|
|
}
|
|
}
|
|
|
|
return newSamples;
|
|
}
|
|
|
|
/*
|
|
============
|
|
S_Update
|
|
|
|
Called once each time through the main loop
|
|
============
|
|
*/
|
|
void S_Base_Update( void ) {
|
|
int i;
|
|
int total;
|
|
channel_t *ch;
|
|
|
|
if ( !s_soundStarted || s_soundMuted ) {
|
|
// Com_DPrintf ("not started or muted\n");
|
|
return;
|
|
}
|
|
|
|
//
|
|
// debugging output
|
|
//
|
|
if ( s_show->integer == 2 ) {
|
|
total = 0;
|
|
ch = s_channels;
|
|
for (i=0 ; i<MAX_CHANNELS; i++, ch++) {
|
|
if (ch->thesfx && (ch->leftvol || ch->rightvol) ) {
|
|
Com_Printf ("%d %d %s\n", ch->leftvol, ch->rightvol, ch->thesfx->soundName);
|
|
total++;
|
|
}
|
|
}
|
|
|
|
Com_Printf ("----(%i)---- painted: %i\n", total, s_paintedtime);
|
|
}
|
|
|
|
// add raw data from streamed samples
|
|
S_UpdateBackgroundTrack();
|
|
|
|
// mix some sound
|
|
S_Update_();
|
|
}
|
|
|
|
void S_GetSoundtime(void)
|
|
{
|
|
int samplepos;
|
|
static int buffers;
|
|
static int oldsamplepos;
|
|
|
|
if( CL_VideoRecording( ) )
|
|
{
|
|
float fps = MIN(cl_aviFrameRate->value, 1000.0f);
|
|
float frameDuration = MAX(dma.speed / fps, 1.0f) + clc.aviSoundFrameRemainder;
|
|
|
|
int msec = (int)frameDuration;
|
|
s_soundtime += msec;
|
|
clc.aviSoundFrameRemainder = frameDuration - msec;
|
|
|
|
return;
|
|
}
|
|
|
|
// it is possible to miscount buffers if it has wrapped twice between
|
|
// calls to S_Update. Oh well.
|
|
samplepos = SNDDMA_GetDMAPos();
|
|
if (samplepos < oldsamplepos)
|
|
{
|
|
buffers++; // buffer wrapped
|
|
|
|
if (s_paintedtime > 0x40000000)
|
|
{ // time to chop things off to avoid 32 bit limits
|
|
buffers = 0;
|
|
s_paintedtime = dma.fullsamples;
|
|
S_Base_StopAllSounds ();
|
|
}
|
|
}
|
|
oldsamplepos = samplepos;
|
|
|
|
s_soundtime = buffers*dma.fullsamples + samplepos/dma.channels;
|
|
|
|
#if 0
|
|
// check to make sure that we haven't overshot
|
|
if (s_paintedtime < s_soundtime)
|
|
{
|
|
Com_DPrintf ("S_Update_ : overflow\n");
|
|
s_paintedtime = s_soundtime;
|
|
}
|
|
#endif
|
|
|
|
if ( dma.submission_chunk < 256 ) {
|
|
s_paintedtime = s_soundtime + s_mixPreStep->value * dma.speed;
|
|
} else {
|
|
s_paintedtime = s_soundtime + dma.submission_chunk;
|
|
}
|
|
}
|
|
|
|
|
|
void S_Update_(void) {
|
|
unsigned endtime;
|
|
static float lastTime = 0.0f;
|
|
float ma, op;
|
|
float thisTime, sane;
|
|
static int ot = -1;
|
|
|
|
if ( !s_soundStarted || s_soundMuted ) {
|
|
return;
|
|
}
|
|
|
|
thisTime = Com_Milliseconds();
|
|
|
|
// Updates s_soundtime
|
|
S_GetSoundtime();
|
|
|
|
if (s_soundtime == ot) {
|
|
return;
|
|
}
|
|
ot = s_soundtime;
|
|
|
|
// clear any sound effects that end before the current time,
|
|
// and start any new sounds
|
|
S_ScanChannelStarts();
|
|
|
|
sane = thisTime - lastTime;
|
|
if (sane<11) {
|
|
sane = 11; // 85hz
|
|
}
|
|
|
|
ma = s_mixahead->value * dma.speed;
|
|
op = s_mixPreStep->value + sane*dma.speed*0.01;
|
|
|
|
if (op < ma) {
|
|
ma = op;
|
|
}
|
|
|
|
// mix ahead of current position
|
|
endtime = s_soundtime + ma;
|
|
|
|
// mix to an even submission block size
|
|
endtime = (endtime + dma.submission_chunk-1)
|
|
& ~(dma.submission_chunk-1);
|
|
|
|
// never mix more than the complete buffer
|
|
if (endtime - s_soundtime > dma.fullsamples)
|
|
endtime = s_soundtime + dma.fullsamples;
|
|
|
|
|
|
|
|
SNDDMA_BeginPainting ();
|
|
|
|
S_PaintChannels (endtime);
|
|
|
|
SNDDMA_Submit ();
|
|
|
|
lastTime = thisTime;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
background music functions
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
/*
|
|
======================
|
|
S_StopBackgroundTrack
|
|
======================
|
|
*/
|
|
void S_Base_StopBackgroundTrack( void ) {
|
|
if(!s_backgroundStream)
|
|
return;
|
|
S_CodecCloseStream(s_backgroundStream);
|
|
s_backgroundStream = NULL;
|
|
s_rawend[0] = 0;
|
|
}
|
|
|
|
/*
|
|
======================
|
|
S_OpenBackgroundStream
|
|
======================
|
|
*/
|
|
static void S_OpenBackgroundStream( const char *filename ) {
|
|
// close the background track, but DON'T reset s_rawend
|
|
// if restarting the same back ground track
|
|
if(s_backgroundStream)
|
|
{
|
|
S_CodecCloseStream(s_backgroundStream);
|
|
s_backgroundStream = NULL;
|
|
}
|
|
|
|
// Open stream
|
|
s_backgroundStream = S_CodecOpenStream(filename);
|
|
if(!s_backgroundStream) {
|
|
Com_Printf( S_COLOR_YELLOW "WARNING: couldn't open music file %s\n", filename );
|
|
return;
|
|
}
|
|
|
|
if(s_backgroundStream->info.channels != 2 || s_backgroundStream->info.rate != 22050) {
|
|
Com_Printf(S_COLOR_YELLOW "WARNING: music file %s is not 22k stereo\n", filename );
|
|
}
|
|
}
|
|
|
|
/*
|
|
======================
|
|
S_StartBackgroundTrack
|
|
======================
|
|
*/
|
|
void S_Base_StartBackgroundTrack( const char *intro, const char *loop ){
|
|
if ( !intro ) {
|
|
intro = "";
|
|
}
|
|
if ( !loop || !loop[0] ) {
|
|
loop = intro;
|
|
}
|
|
Com_DPrintf( "S_StartBackgroundTrack( %s, %s )\n", intro, loop );
|
|
|
|
if(!*intro)
|
|
{
|
|
S_Base_StopBackgroundTrack();
|
|
return;
|
|
}
|
|
|
|
Q_strncpyz( s_backgroundLoop, loop, sizeof( s_backgroundLoop ) );
|
|
|
|
S_OpenBackgroundStream( intro );
|
|
}
|
|
|
|
/*
|
|
======================
|
|
S_UpdateBackgroundTrack
|
|
======================
|
|
*/
|
|
void S_UpdateBackgroundTrack( void ) {
|
|
int bufferSamples;
|
|
int fileSamples;
|
|
byte raw[30000]; // just enough to fit in a mac stack frame
|
|
int fileBytes;
|
|
int r;
|
|
|
|
if(!s_backgroundStream) {
|
|
return;
|
|
}
|
|
|
|
// don't bother playing anything if musicvolume is 0
|
|
if ( s_musicVolume->value <= 0 ) {
|
|
return;
|
|
}
|
|
|
|
// see how many samples should be copied into the raw buffer
|
|
if ( s_rawend[0] < s_soundtime ) {
|
|
s_rawend[0] = s_soundtime;
|
|
}
|
|
|
|
while ( s_rawend[0] < s_soundtime + MAX_RAW_SAMPLES ) {
|
|
bufferSamples = MAX_RAW_SAMPLES - (s_rawend[0] - s_soundtime);
|
|
|
|
// decide how much data needs to be read from the file
|
|
fileSamples = bufferSamples * s_backgroundStream->info.rate / dma.speed;
|
|
|
|
if (!fileSamples)
|
|
return;
|
|
|
|
// our max buffer size
|
|
fileBytes = fileSamples * (s_backgroundStream->info.width * s_backgroundStream->info.channels);
|
|
if ( fileBytes > sizeof(raw) ) {
|
|
fileBytes = sizeof(raw);
|
|
fileSamples = fileBytes / (s_backgroundStream->info.width * s_backgroundStream->info.channels);
|
|
}
|
|
|
|
// Read
|
|
r = S_CodecReadStream(s_backgroundStream, fileBytes, raw);
|
|
if(r < fileBytes)
|
|
{
|
|
fileSamples = r / (s_backgroundStream->info.width * s_backgroundStream->info.channels);
|
|
}
|
|
|
|
if(r > 0)
|
|
{
|
|
// add to raw buffer
|
|
S_Base_RawSamples(0, fileSamples, s_backgroundStream->info.rate,
|
|
s_backgroundStream->info.width, s_backgroundStream->info.channels, raw, s_musicVolume->value, -1);
|
|
}
|
|
else
|
|
{
|
|
// loop
|
|
if(s_backgroundLoop[0])
|
|
{
|
|
S_OpenBackgroundStream( s_backgroundLoop );
|
|
if(!s_backgroundStream)
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
S_Base_StopBackgroundTrack();
|
|
return;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
======================
|
|
S_FreeOldestSound
|
|
======================
|
|
*/
|
|
|
|
void S_FreeOldestSound( void ) {
|
|
int i, oldest, used;
|
|
sfx_t *sfx;
|
|
sndBuffer *buffer, *nbuffer;
|
|
|
|
oldest = Com_Milliseconds();
|
|
used = 0;
|
|
|
|
for (i=1 ; i < s_numSfx ; i++) {
|
|
sfx = &s_knownSfx[i];
|
|
if (sfx->inMemory && sfx->lastTimeUsed<oldest) {
|
|
used = i;
|
|
oldest = sfx->lastTimeUsed;
|
|
}
|
|
}
|
|
|
|
sfx = &s_knownSfx[used];
|
|
|
|
Com_DPrintf("S_FreeOldestSound: freeing sound %s\n", sfx->soundName);
|
|
|
|
buffer = sfx->soundData;
|
|
while(buffer != NULL) {
|
|
nbuffer = buffer->next;
|
|
SND_free(buffer);
|
|
buffer = nbuffer;
|
|
}
|
|
sfx->inMemory = qfalse;
|
|
sfx->soundData = NULL;
|
|
}
|
|
|
|
// =======================================================================
|
|
// Shutdown sound engine
|
|
// =======================================================================
|
|
|
|
void S_Base_Shutdown( void ) {
|
|
if ( !s_soundStarted ) {
|
|
return;
|
|
}
|
|
|
|
SNDDMA_Shutdown();
|
|
SND_shutdown();
|
|
|
|
s_soundStarted = 0;
|
|
s_numSfx = 0;
|
|
|
|
Cmd_RemoveCommand("s_info");
|
|
}
|
|
|
|
/*
|
|
================
|
|
S_Init
|
|
================
|
|
*/
|
|
qboolean S_Base_Init( soundInterface_t *si ) {
|
|
qboolean r;
|
|
|
|
if( !si ) {
|
|
return qfalse;
|
|
}
|
|
|
|
s_mixahead = Cvar_Get ("s_mixahead", "0.2", CVAR_ARCHIVE);
|
|
s_mixPreStep = Cvar_Get ("s_mixPreStep", "0.05", CVAR_ARCHIVE);
|
|
s_show = Cvar_Get ("s_show", "0", CVAR_CHEAT);
|
|
s_testsound = Cvar_Get ("s_testsound", "0", CVAR_CHEAT);
|
|
|
|
r = SNDDMA_Init();
|
|
|
|
if ( r ) {
|
|
s_soundStarted = 1;
|
|
s_soundMuted = 1;
|
|
// s_numSfx = 0;
|
|
|
|
Com_Memset(sfxHash, 0, sizeof(sfx_t *)*LOOP_HASH);
|
|
|
|
s_soundtime = 0;
|
|
s_paintedtime = 0;
|
|
|
|
S_Base_StopAllSounds( );
|
|
} else {
|
|
return qfalse;
|
|
}
|
|
|
|
si->Shutdown = S_Base_Shutdown;
|
|
si->StartSound = S_Base_StartSound;
|
|
si->StartLocalSound = S_Base_StartLocalSound;
|
|
si->StartBackgroundTrack = S_Base_StartBackgroundTrack;
|
|
si->StopBackgroundTrack = S_Base_StopBackgroundTrack;
|
|
si->RawSamples = S_Base_RawSamples;
|
|
si->StopAllSounds = S_Base_StopAllSounds;
|
|
si->ClearLoopingSounds = S_Base_ClearLoopingSounds;
|
|
si->AddLoopingSound = S_Base_AddLoopingSound;
|
|
si->AddRealLoopingSound = S_Base_AddRealLoopingSound;
|
|
si->StopLoopingSound = S_Base_StopLoopingSound;
|
|
si->Respatialize = S_Base_Respatialize;
|
|
si->UpdateEntityPosition = S_Base_UpdateEntityPosition;
|
|
si->Update = S_Base_Update;
|
|
si->DisableSounds = S_Base_DisableSounds;
|
|
si->BeginRegistration = S_Base_BeginRegistration;
|
|
si->RegisterSound = S_Base_RegisterSound;
|
|
si->ClearSoundBuffer = S_Base_ClearSoundBuffer;
|
|
si->SoundInfo = S_Base_SoundInfo;
|
|
si->SoundList = S_Base_SoundList;
|
|
|
|
#ifdef USE_VOIP
|
|
si->StartCapture = S_Base_StartCapture;
|
|
si->AvailableCaptureSamples = S_Base_AvailableCaptureSamples;
|
|
si->Capture = S_Base_Capture;
|
|
si->StopCapture = S_Base_StopCapture;
|
|
si->MasterGain = S_Base_MasterGain;
|
|
#endif
|
|
|
|
return qtrue;
|
|
}
|