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snd_mix.c aufgeräumt

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This commit is contained in:
Yamagi Burmeister 2009-03-03 11:32:55 +00:00
parent 5c221e74c0
commit 5ddc0f5fab
1 changed files with 18 additions and 16 deletions
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22
src/client/snd_mix.c
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@ -22,7 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include "client.h"
#include "snd_loc.h"
#define PAINTBUFFER_SIZE 2048
#define PAINTBUFFER_SIZE 8192
portable_samplepair_t paintbuffer[PAINTBUFFER_SIZE];
int snd_scaletable[32][256];
int *snd_p, snd_linear_count, snd_vol;
@ -154,13 +154,21 @@ void S_TransferPaintBuffer(int endtime)
if (s_testsound->value)
{
static float x = 0.05;
static float y = 0.0001;
int i;
int count;
x += y;
if (x > 0.15)
y = -0.0001;
else if (x < 0.0005)
y = 0.0001;
// write a fixed sine wave
count = (endtime - paintedtime);
for (i=0 ; i<count ; i++)
paintbuffer[i].left = paintbuffer[i].right = sin((paintedtime+i)*0.1)*20000*256;
paintbuffer[i].left = paintbuffer[i].right = (int)((float)sin((paintedtime+i)*0.1f)*20000*256);
}
@ -232,7 +240,6 @@ void S_PaintChannels(int endtime)
snd_vol = s_volume->value*256;
//Com_Printf ("%i to %i\n", paintedtime, endtime);
while (paintedtime < endtime)
{
// if paintbuffer is smaller than DMA buffer
@ -260,7 +267,6 @@ void S_PaintChannels(int endtime)
// clear the paint buffer
if (s_rawend < paintedtime)
{
// Com_Printf ("clear\n");
memset(paintbuffer, 0, (end - paintedtime) * sizeof(portable_samplepair_t));
}
else
@ -275,10 +281,6 @@ void S_PaintChannels(int endtime)
s = i&(MAX_RAW_SAMPLES-1);
paintbuffer[i-paintedtime] = s_rawsamples[s];
}
// if (i != end)
// Com_Printf ("partial stream\n");
// else
// Com_Printf ("full stream\n");
for ( ; i<end ; i++)
{
paintbuffer[i-paintedtime].left =
@ -355,7 +357,7 @@ void S_InitScaletable (void)
s_volume->modified = false;
for (i=0 ; i<32 ; i++)
{
scale = i * 8 * 256 * s_volume->value;
scale = (int)(i * 8 * 256 * s_volume->value);
for (j=0 ; j<256 ; j++)
snd_scaletable[i][j] = ((signed char)j) * scale;
}
@ -382,7 +384,7 @@ void S_PaintChannelFrom8 (channel_t *ch, sfxcache_t *sc, int count, int offset)
//as it would always be zero.
lscale = snd_scaletable[ ch->leftvol >> 3];
rscale = snd_scaletable[ ch->rightvol >> 3];
sfx = (signed char *)sc->data + ch->pos;
sfx = sc->data + ch->pos;
samp = &paintbuffer[offset];