mirror of
https://github.com/Q3Rally-Team/q3rally.git
synced 2024-11-29 15:12:07 +00:00
6bc3b33eab
Fix axis returned by IQM's LerpTag Calculate bounds for unanimated IQM models Fix loading favorites as initial source in server browser Improve finding obelisk entitynum for bot AI Fix SDL audio playback with surround sound Fix predicting entity origin on rotating mover Allow binds to use hex values for all key codes Disable pulseaudio capture regardless of SDL version Fix SDL audio playback with 16-bit stereo sound Make s_info command display channels instead of stereo Fix cross-compiling using mingw-w64 on Ubuntu 18.04
627 lines
15 KiB
C
627 lines
15 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
|
|
===========================================================================
|
|
*/
|
|
// snd_mix.c -- portable code to mix sounds for snd_dma.c
|
|
|
|
#include "client.h"
|
|
#include "snd_local.h"
|
|
|
|
static portable_samplepair_t paintbuffer[PAINTBUFFER_SIZE];
|
|
static int snd_vol;
|
|
|
|
int* snd_p;
|
|
int snd_linear_count;
|
|
short* snd_out;
|
|
|
|
#if !id386 // if configured not to use asm
|
|
|
|
void S_WriteLinearBlastStereo16 (void)
|
|
{
|
|
int i;
|
|
int val;
|
|
|
|
for (i=0 ; i<snd_linear_count ; i+=2)
|
|
{
|
|
val = snd_p[i]>>8;
|
|
if (val > 0x7fff)
|
|
snd_out[i] = 0x7fff;
|
|
else if (val < -32768)
|
|
snd_out[i] = -32768;
|
|
else
|
|
snd_out[i] = val;
|
|
|
|
val = snd_p[i+1]>>8;
|
|
if (val > 0x7fff)
|
|
snd_out[i+1] = 0x7fff;
|
|
else if (val < -32768)
|
|
snd_out[i+1] = -32768;
|
|
else
|
|
snd_out[i+1] = val;
|
|
}
|
|
}
|
|
#elif defined(__GNUC__)
|
|
// uses snd_mixa.s
|
|
void S_WriteLinearBlastStereo16 (void);
|
|
#else
|
|
|
|
__declspec( naked ) void S_WriteLinearBlastStereo16 (void)
|
|
{
|
|
__asm {
|
|
|
|
push edi
|
|
push ebx
|
|
mov ecx,ds:dword ptr[snd_linear_count]
|
|
mov ebx,ds:dword ptr[snd_p]
|
|
mov edi,ds:dword ptr[snd_out]
|
|
LWLBLoopTop:
|
|
mov eax,ds:dword ptr[-8+ebx+ecx*4]
|
|
sar eax,8
|
|
cmp eax,07FFFh
|
|
jg LClampHigh
|
|
cmp eax,0FFFF8000h
|
|
jnl LClampDone
|
|
mov eax,0FFFF8000h
|
|
jmp LClampDone
|
|
LClampHigh:
|
|
mov eax,07FFFh
|
|
LClampDone:
|
|
mov edx,ds:dword ptr[-4+ebx+ecx*4]
|
|
sar edx,8
|
|
cmp edx,07FFFh
|
|
jg LClampHigh2
|
|
cmp edx,0FFFF8000h
|
|
jnl LClampDone2
|
|
mov edx,0FFFF8000h
|
|
jmp LClampDone2
|
|
LClampHigh2:
|
|
mov edx,07FFFh
|
|
LClampDone2:
|
|
shl edx,16
|
|
and eax,0FFFFh
|
|
or edx,eax
|
|
mov ds:dword ptr[-4+edi+ecx*2],edx
|
|
sub ecx,2
|
|
jnz LWLBLoopTop
|
|
pop ebx
|
|
pop edi
|
|
ret
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
void S_TransferStereo16 (unsigned long *pbuf, int endtime)
|
|
{
|
|
int lpos;
|
|
int ls_paintedtime;
|
|
|
|
snd_p = (int *) paintbuffer;
|
|
ls_paintedtime = s_paintedtime;
|
|
|
|
while (ls_paintedtime < endtime)
|
|
{
|
|
// handle recirculating buffer issues
|
|
lpos = ls_paintedtime % dma.fullsamples;
|
|
|
|
snd_out = (short *) pbuf + (lpos<<1); // lpos * dma.channels
|
|
|
|
snd_linear_count = dma.fullsamples - lpos;
|
|
if (ls_paintedtime + snd_linear_count > endtime)
|
|
snd_linear_count = endtime - ls_paintedtime;
|
|
|
|
snd_linear_count <<= 1; // snd_linear_count *= dma.channels
|
|
|
|
// write a linear blast of samples
|
|
S_WriteLinearBlastStereo16 ();
|
|
|
|
snd_p += snd_linear_count;
|
|
ls_paintedtime += (snd_linear_count>>1); // snd_linear_count / dma.channels
|
|
|
|
if( CL_VideoRecording( ) )
|
|
CL_WriteAVIAudioFrame( (byte *)snd_out, snd_linear_count << 1 ); // snd_linear_count * (dma.samplebits/8)
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
S_TransferPaintBuffer
|
|
|
|
===================
|
|
*/
|
|
void S_TransferPaintBuffer(int endtime)
|
|
{
|
|
int out_idx;
|
|
int count;
|
|
int *p;
|
|
int step;
|
|
int val;
|
|
int i;
|
|
unsigned long *pbuf;
|
|
|
|
pbuf = (unsigned long *)dma.buffer;
|
|
|
|
|
|
if ( s_testsound->integer ) {
|
|
// write a fixed sine wave
|
|
count = (endtime - s_paintedtime);
|
|
for (i=0 ; i<count ; i++)
|
|
paintbuffer[i].left = paintbuffer[i].right = sin((s_paintedtime+i)*0.1)*20000*256;
|
|
}
|
|
|
|
|
|
if (dma.samplebits == 16 && dma.channels == 2)
|
|
{ // optimized case
|
|
S_TransferStereo16 (pbuf, endtime);
|
|
}
|
|
else
|
|
{ // general case
|
|
p = (int *) paintbuffer;
|
|
count = (endtime - s_paintedtime) * dma.channels;
|
|
out_idx = (s_paintedtime * dma.channels) % dma.samples;
|
|
step = 3 - MIN(dma.channels, 2);
|
|
|
|
if ((dma.isfloat) && (dma.samplebits == 32))
|
|
{
|
|
float *out = (float *) pbuf;
|
|
for (i=0 ; i<count ; i++)
|
|
{
|
|
if ((i % dma.channels) >= 2)
|
|
{
|
|
val = 0;
|
|
}
|
|
else
|
|
{
|
|
val = *p >> 8;
|
|
p+= step;
|
|
}
|
|
if (val > 0x7fff)
|
|
val = 0x7fff;
|
|
else if (val < -32767) /* clamp to one less than max to make division max out at -1.0f. */
|
|
val = -32767;
|
|
out[out_idx] = ((float) val) / 32767.0f;
|
|
out_idx = (out_idx + 1) % dma.samples;
|
|
}
|
|
}
|
|
else if (dma.samplebits == 16)
|
|
{
|
|
short *out = (short *) pbuf;
|
|
for (i=0 ; i<count ; i++)
|
|
{
|
|
if ((i % dma.channels) >= 2)
|
|
{
|
|
val = 0;
|
|
}
|
|
else
|
|
{
|
|
val = *p >> 8;
|
|
p+= step;
|
|
}
|
|
if (val > 0x7fff)
|
|
val = 0x7fff;
|
|
else if (val < -32768)
|
|
val = -32768;
|
|
out[out_idx] = val;
|
|
out_idx = (out_idx + 1) % dma.samples;
|
|
}
|
|
}
|
|
else if (dma.samplebits == 8)
|
|
{
|
|
unsigned char *out = (unsigned char *) pbuf;
|
|
for (i=0 ; i<count ; i++)
|
|
{
|
|
if ((i % dma.channels) >= 2)
|
|
{
|
|
val = 0;
|
|
}
|
|
else
|
|
{
|
|
val = *p >> 8;
|
|
p+= step;
|
|
}
|
|
if (val > 0x7fff)
|
|
val = 0x7fff;
|
|
else if (val < -32768)
|
|
val = -32768;
|
|
out[out_idx] = (val>>8) + 128;
|
|
out_idx = (out_idx + 1) % dma.samples;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
CHANNEL MIXING
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
static void S_PaintChannelFrom16_scalar( channel_t *ch, const sfx_t *sc, int count, int sampleOffset, int bufferOffset ) {
|
|
int data, aoff, boff;
|
|
int leftvol, rightvol;
|
|
int i, j;
|
|
portable_samplepair_t *samp;
|
|
sndBuffer *chunk;
|
|
short *samples;
|
|
float ooff, fdata[2], fdiv, fleftvol, frightvol;
|
|
|
|
if (sc->soundChannels <= 0) {
|
|
return;
|
|
}
|
|
|
|
samp = &paintbuffer[ bufferOffset ];
|
|
|
|
if (ch->doppler) {
|
|
sampleOffset = sampleOffset*ch->oldDopplerScale;
|
|
}
|
|
|
|
if ( sc->soundChannels == 2 ) {
|
|
sampleOffset *= sc->soundChannels;
|
|
|
|
if ( sampleOffset & 1 ) {
|
|
sampleOffset &= ~1;
|
|
}
|
|
}
|
|
|
|
chunk = sc->soundData;
|
|
while (sampleOffset>=SND_CHUNK_SIZE) {
|
|
chunk = chunk->next;
|
|
sampleOffset -= SND_CHUNK_SIZE;
|
|
if (!chunk) {
|
|
chunk = sc->soundData;
|
|
}
|
|
}
|
|
|
|
if (!ch->doppler || ch->dopplerScale==1.0f) {
|
|
leftvol = ch->leftvol*snd_vol;
|
|
rightvol = ch->rightvol*snd_vol;
|
|
samples = chunk->sndChunk;
|
|
for ( i=0 ; i<count ; i++ ) {
|
|
data = samples[sampleOffset++];
|
|
samp[i].left += (data * leftvol)>>8;
|
|
|
|
if ( sc->soundChannels == 2 ) {
|
|
data = samples[sampleOffset++];
|
|
}
|
|
samp[i].right += (data * rightvol)>>8;
|
|
|
|
if (sampleOffset == SND_CHUNK_SIZE) {
|
|
chunk = chunk->next;
|
|
samples = chunk->sndChunk;
|
|
sampleOffset = 0;
|
|
}
|
|
}
|
|
} else {
|
|
fleftvol = ch->leftvol*snd_vol;
|
|
frightvol = ch->rightvol*snd_vol;
|
|
|
|
ooff = sampleOffset;
|
|
samples = chunk->sndChunk;
|
|
|
|
|
|
|
|
|
|
for ( i=0 ; i<count ; i++ ) {
|
|
|
|
aoff = ooff;
|
|
ooff = ooff + ch->dopplerScale * sc->soundChannels;
|
|
boff = ooff;
|
|
fdata[0] = fdata[1] = 0;
|
|
for (j=aoff; j<boff; j += sc->soundChannels) {
|
|
if (j == SND_CHUNK_SIZE) {
|
|
chunk = chunk->next;
|
|
if (!chunk) {
|
|
chunk = sc->soundData;
|
|
}
|
|
samples = chunk->sndChunk;
|
|
ooff -= SND_CHUNK_SIZE;
|
|
}
|
|
if ( sc->soundChannels == 2 ) {
|
|
fdata[0] += samples[j&(SND_CHUNK_SIZE-1)];
|
|
fdata[1] += samples[(j+1)&(SND_CHUNK_SIZE-1)];
|
|
} else {
|
|
fdata[0] += samples[j&(SND_CHUNK_SIZE-1)];
|
|
fdata[1] += samples[j&(SND_CHUNK_SIZE-1)];
|
|
}
|
|
}
|
|
fdiv = 256 * (boff-aoff) / sc->soundChannels;
|
|
samp[i].left += (fdata[0] * fleftvol)/fdiv;
|
|
samp[i].right += (fdata[1] * frightvol)/fdiv;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void S_PaintChannelFrom16( channel_t *ch, const sfx_t *sc, int count, int sampleOffset, int bufferOffset ) {
|
|
#if idppc_altivec
|
|
if (com_altivec->integer) {
|
|
// must be in a separate translation unit or G3 systems will crash.
|
|
S_PaintChannelFrom16_altivec( paintbuffer, snd_vol, ch, sc, count, sampleOffset, bufferOffset );
|
|
return;
|
|
}
|
|
#endif
|
|
S_PaintChannelFrom16_scalar( ch, sc, count, sampleOffset, bufferOffset );
|
|
}
|
|
|
|
void S_PaintChannelFromWavelet( channel_t *ch, sfx_t *sc, int count, int sampleOffset, int bufferOffset ) {
|
|
int data;
|
|
int leftvol, rightvol;
|
|
int i;
|
|
portable_samplepair_t *samp;
|
|
sndBuffer *chunk;
|
|
short *samples;
|
|
|
|
leftvol = ch->leftvol*snd_vol;
|
|
rightvol = ch->rightvol*snd_vol;
|
|
|
|
i = 0;
|
|
samp = &paintbuffer[ bufferOffset ];
|
|
chunk = sc->soundData;
|
|
while (sampleOffset>=(SND_CHUNK_SIZE_FLOAT*4)) {
|
|
chunk = chunk->next;
|
|
sampleOffset -= (SND_CHUNK_SIZE_FLOAT*4);
|
|
i++;
|
|
}
|
|
|
|
if (i!=sfxScratchIndex || sfxScratchPointer != sc) {
|
|
S_AdpcmGetSamples( chunk, sfxScratchBuffer );
|
|
sfxScratchIndex = i;
|
|
sfxScratchPointer = sc;
|
|
}
|
|
|
|
samples = sfxScratchBuffer;
|
|
|
|
for ( i=0 ; i<count ; i++ ) {
|
|
data = samples[sampleOffset++];
|
|
samp[i].left += (data * leftvol)>>8;
|
|
samp[i].right += (data * rightvol)>>8;
|
|
|
|
if (sampleOffset == SND_CHUNK_SIZE*2) {
|
|
chunk = chunk->next;
|
|
decodeWavelet(chunk, sfxScratchBuffer);
|
|
sfxScratchIndex++;
|
|
sampleOffset = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void S_PaintChannelFromADPCM( channel_t *ch, sfx_t *sc, int count, int sampleOffset, int bufferOffset ) {
|
|
int data;
|
|
int leftvol, rightvol;
|
|
int i;
|
|
portable_samplepair_t *samp;
|
|
sndBuffer *chunk;
|
|
short *samples;
|
|
|
|
leftvol = ch->leftvol*snd_vol;
|
|
rightvol = ch->rightvol*snd_vol;
|
|
|
|
i = 0;
|
|
samp = &paintbuffer[ bufferOffset ];
|
|
chunk = sc->soundData;
|
|
|
|
if (ch->doppler) {
|
|
sampleOffset = sampleOffset*ch->oldDopplerScale;
|
|
}
|
|
|
|
while (sampleOffset>=(SND_CHUNK_SIZE*4)) {
|
|
chunk = chunk->next;
|
|
sampleOffset -= (SND_CHUNK_SIZE*4);
|
|
i++;
|
|
}
|
|
|
|
if (i!=sfxScratchIndex || sfxScratchPointer != sc) {
|
|
S_AdpcmGetSamples( chunk, sfxScratchBuffer );
|
|
sfxScratchIndex = i;
|
|
sfxScratchPointer = sc;
|
|
}
|
|
|
|
samples = sfxScratchBuffer;
|
|
|
|
for ( i=0 ; i<count ; i++ ) {
|
|
data = samples[sampleOffset++];
|
|
samp[i].left += (data * leftvol)>>8;
|
|
samp[i].right += (data * rightvol)>>8;
|
|
|
|
if (sampleOffset == SND_CHUNK_SIZE*4) {
|
|
chunk = chunk->next;
|
|
S_AdpcmGetSamples( chunk, sfxScratchBuffer);
|
|
sampleOffset = 0;
|
|
sfxScratchIndex++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void S_PaintChannelFromMuLaw( channel_t *ch, sfx_t *sc, int count, int sampleOffset, int bufferOffset ) {
|
|
int data;
|
|
int leftvol, rightvol;
|
|
int i;
|
|
portable_samplepair_t *samp;
|
|
sndBuffer *chunk;
|
|
byte *samples;
|
|
float ooff;
|
|
|
|
leftvol = ch->leftvol*snd_vol;
|
|
rightvol = ch->rightvol*snd_vol;
|
|
|
|
samp = &paintbuffer[ bufferOffset ];
|
|
chunk = sc->soundData;
|
|
while (sampleOffset>=(SND_CHUNK_SIZE*2)) {
|
|
chunk = chunk->next;
|
|
sampleOffset -= (SND_CHUNK_SIZE*2);
|
|
if (!chunk) {
|
|
chunk = sc->soundData;
|
|
}
|
|
}
|
|
|
|
if (!ch->doppler) {
|
|
samples = (byte *)chunk->sndChunk + sampleOffset;
|
|
for ( i=0 ; i<count ; i++ ) {
|
|
data = mulawToShort[*samples];
|
|
samp[i].left += (data * leftvol)>>8;
|
|
samp[i].right += (data * rightvol)>>8;
|
|
samples++;
|
|
if (chunk != NULL && samples == (byte *)chunk->sndChunk+(SND_CHUNK_SIZE*2)) {
|
|
chunk = chunk->next;
|
|
samples = (byte *)chunk->sndChunk;
|
|
}
|
|
}
|
|
} else {
|
|
ooff = sampleOffset;
|
|
samples = (byte *)chunk->sndChunk;
|
|
for ( i=0 ; i<count ; i++ ) {
|
|
data = mulawToShort[samples[(int)(ooff)]];
|
|
ooff = ooff + ch->dopplerScale;
|
|
samp[i].left += (data * leftvol)>>8;
|
|
samp[i].right += (data * rightvol)>>8;
|
|
if (ooff >= SND_CHUNK_SIZE*2) {
|
|
chunk = chunk->next;
|
|
if (!chunk) {
|
|
chunk = sc->soundData;
|
|
}
|
|
samples = (byte *)chunk->sndChunk;
|
|
ooff = 0.0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
S_PaintChannels
|
|
===================
|
|
*/
|
|
void S_PaintChannels( int endtime ) {
|
|
int i;
|
|
int end;
|
|
int stream;
|
|
channel_t *ch;
|
|
sfx_t *sc;
|
|
int ltime, count;
|
|
int sampleOffset;
|
|
|
|
if(s_muted->integer)
|
|
snd_vol = 0;
|
|
else
|
|
snd_vol = s_volume->value*255;
|
|
|
|
//Com_Printf ("%i to %i\n", s_paintedtime, endtime);
|
|
while ( s_paintedtime < endtime ) {
|
|
// if paintbuffer is smaller than DMA buffer
|
|
// we may need to fill it multiple times
|
|
end = endtime;
|
|
if ( endtime - s_paintedtime > PAINTBUFFER_SIZE ) {
|
|
end = s_paintedtime + PAINTBUFFER_SIZE;
|
|
}
|
|
|
|
// clear the paint buffer and mix any raw samples...
|
|
Com_Memset(paintbuffer, 0, sizeof (paintbuffer));
|
|
for (stream = 0; stream < MAX_RAW_STREAMS; stream++) {
|
|
if ( s_rawend[stream] >= s_paintedtime ) {
|
|
// copy from the streaming sound source
|
|
const portable_samplepair_t *rawsamples = s_rawsamples[stream];
|
|
const int stop = (end < s_rawend[stream]) ? end : s_rawend[stream];
|
|
for ( i = s_paintedtime ; i < stop ; i++ ) {
|
|
const int s = i&(MAX_RAW_SAMPLES-1);
|
|
paintbuffer[i-s_paintedtime].left += rawsamples[s].left;
|
|
paintbuffer[i-s_paintedtime].right += rawsamples[s].right;
|
|
}
|
|
}
|
|
}
|
|
|
|
// paint in the channels.
|
|
ch = s_channels;
|
|
for ( i = 0; i < MAX_CHANNELS ; i++, ch++ ) {
|
|
if ( !ch->thesfx || (ch->leftvol<0.25 && ch->rightvol<0.25 )) {
|
|
continue;
|
|
}
|
|
|
|
ltime = s_paintedtime;
|
|
sc = ch->thesfx;
|
|
|
|
if (sc->soundData==NULL || sc->soundLength==0) {
|
|
continue;
|
|
}
|
|
|
|
sampleOffset = ltime - ch->startSample;
|
|
count = end - ltime;
|
|
if ( sampleOffset + count > sc->soundLength ) {
|
|
count = sc->soundLength - sampleOffset;
|
|
}
|
|
|
|
if ( count > 0 ) {
|
|
if( sc->soundCompressionMethod == 1) {
|
|
S_PaintChannelFromADPCM (ch, sc, count, sampleOffset, ltime - s_paintedtime);
|
|
} else if( sc->soundCompressionMethod == 2) {
|
|
S_PaintChannelFromWavelet (ch, sc, count, sampleOffset, ltime - s_paintedtime);
|
|
} else if( sc->soundCompressionMethod == 3) {
|
|
S_PaintChannelFromMuLaw (ch, sc, count, sampleOffset, ltime - s_paintedtime);
|
|
} else {
|
|
S_PaintChannelFrom16 (ch, sc, count, sampleOffset, ltime - s_paintedtime);
|
|
}
|
|
}
|
|
}
|
|
|
|
// paint in the looped channels.
|
|
ch = loop_channels;
|
|
for ( i = 0; i < numLoopChannels ; i++, ch++ ) {
|
|
if ( !ch->thesfx || (!ch->leftvol && !ch->rightvol )) {
|
|
continue;
|
|
}
|
|
|
|
ltime = s_paintedtime;
|
|
sc = ch->thesfx;
|
|
|
|
if (sc->soundData==NULL || sc->soundLength==0) {
|
|
continue;
|
|
}
|
|
// we might have to make two passes if it
|
|
// is a looping sound effect and the end of
|
|
// the sample is hit
|
|
do {
|
|
sampleOffset = (ltime % sc->soundLength);
|
|
|
|
count = end - ltime;
|
|
if ( sampleOffset + count > sc->soundLength ) {
|
|
count = sc->soundLength - sampleOffset;
|
|
}
|
|
|
|
if ( count > 0 ) {
|
|
if( sc->soundCompressionMethod == 1) {
|
|
S_PaintChannelFromADPCM (ch, sc, count, sampleOffset, ltime - s_paintedtime);
|
|
} else if( sc->soundCompressionMethod == 2) {
|
|
S_PaintChannelFromWavelet (ch, sc, count, sampleOffset, ltime - s_paintedtime);
|
|
} else if( sc->soundCompressionMethod == 3) {
|
|
S_PaintChannelFromMuLaw (ch, sc, count, sampleOffset, ltime - s_paintedtime);
|
|
} else {
|
|
S_PaintChannelFrom16 (ch, sc, count, sampleOffset, ltime - s_paintedtime);
|
|
}
|
|
ltime += count;
|
|
}
|
|
} while ( ltime < end);
|
|
}
|
|
|
|
// transfer out according to DMA format
|
|
S_TransferPaintBuffer( end );
|
|
s_paintedtime = end;
|
|
}
|
|
}
|