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use resample.c functions

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3566 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-12-17 17:21:50 +00:00
parent 6e10cf8cc7
commit ed1d6076dc
1 changed files with 6 additions and 113 deletions
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119
liba52/test.c
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@ -38,111 +38,6 @@ static inline long long rdtsc()
#endif
static inline int16_t convert (int32_t i)
{
if (i > 0x43c07fff)
return 32767;
else if (i < 0x43bf8000)
return -32768;
else
return i - 0x43c00000;
}
static inline void float_to_int (float * _f, int16_t * s16, int flags)
{
int i;
int32_t * f = (int32_t *) _f;
switch (flags) {
case A52_MONO:
for (i = 0; i < 256; i++) {
s16[5*i] = s16[5*i+1] = s16[5*i+2] = s16[5*i+3] = 0;
s16[5*i+4] = convert (f[i]);
}
break;
case A52_CHANNEL:
case A52_STEREO:
case A52_DOLBY:
for (i = 0; i < 256; i++) {
s16[2*i] = convert (f[i]);
s16[2*i+1] = convert (f[i+256]);
}
break;
case A52_3F:
for (i = 0; i < 256; i++) {
s16[5*i] = convert (f[i]);
s16[5*i+1] = convert (f[i+512]);
s16[5*i+2] = s16[5*i+3] = 0;
s16[5*i+4] = convert (f[i+256]);
}
break;
case A52_2F2R:
for (i = 0; i < 256; i++) {
s16[4*i] = convert (f[i]);
s16[4*i+1] = convert (f[i+256]);
s16[4*i+2] = convert (f[i+512]);
s16[4*i+3] = convert (f[i+768]);
}
break;
case A52_3F2R:
for (i = 0; i < 256; i++) {
s16[5*i] = convert (f[i]);
s16[5*i+1] = convert (f[i+512]);
s16[5*i+2] = convert (f[i+768]);
s16[5*i+3] = convert (f[i+1024]);
s16[5*i+4] = convert (f[i+256]);
}
break;
case A52_MONO | A52_LFE:
for (i = 0; i < 256; i++) {
s16[6*i] = s16[6*i+1] = s16[6*i+2] = s16[6*i+3] = 0;
s16[6*i+4] = convert (f[i+256]);
s16[6*i+5] = convert (f[i]);
}
break;
case A52_CHANNEL | A52_LFE:
case A52_STEREO | A52_LFE:
case A52_DOLBY | A52_LFE:
for (i = 0; i < 256; i++) {
s16[6*i] = convert (f[i+256]);
s16[6*i+1] = convert (f[i+512]);
s16[6*i+2] = s16[6*i+3] = s16[6*i+4] = 0;
s16[6*i+5] = convert (f[i]);
}
break;
case A52_3F | A52_LFE:
for (i = 0; i < 256; i++) {
s16[6*i] = convert (f[i+256]);
s16[6*i+1] = convert (f[i+768]);
s16[6*i+2] = s16[6*i+3] = 0;
s16[6*i+4] = convert (f[i+512]);
s16[6*i+5] = convert (f[i]);
}
break;
case A52_2F2R | A52_LFE:
for (i = 0; i < 256; i++) {
s16[6*i] = convert (f[i+256]);
s16[6*i+1] = convert (f[i+512]);
s16[6*i+2] = convert (f[i+768]);
s16[6*i+3] = convert (f[i+1024]);
s16[6*i+4] = 0;
s16[6*i+5] = convert (f[i]);
}
break;
case A52_3F2R | A52_LFE:
for (i = 0; i < 256; i++) {
s16[6*i] = convert (f[i+256]);
s16[6*i+1] = convert (f[i+768]);
s16[6*i+2] = convert (f[i+1024]);
s16[6*i+3] = convert (f[i+1280]);
s16[6*i+4] = convert (f[i+512]);
s16[6*i+5] = convert (f[i]);
}
break;
}
}
int main(){
int accel=0;
int sample_rate=0;
@ -162,6 +57,7 @@ while(1){
int16_t *s16;
sample_t level=1, bias=384;
int flags=0;
int channels=0;
while(buf_size<7){
int c=getchar();
@ -186,6 +82,8 @@ ENDTIMING
// decode:
flags=A52_STEREO; // A52_DOLBY // A52_2F2R // A52_3F2R | A52_LFE
channels=2;
flags |= A52_ADJUST_LEVEL;
STARTTIMING
if (a52_frame (&state, buf, &flags, &level, bias))
@ -194,20 +92,15 @@ ENDTIMING
// a52_dynrng (&state, NULL, NULL); // disable dynamic range compensation
a52_resample_init(flags,channels);
s16 = out_buf;
for (i = 0; i < 6; i++) {
int32_t * f = (int32_t *) samples;
int i;
STARTTIMING
if (a52_block (&state, samples))
{ fprintf(stderr,"error at sampling\n"); break; }
ENDTIMING
// resample to STEREO/DOLBY:
for (i = 0; i < 256; i++) {
s16[2*i] = convert (f[i]);
s16[2*i+1] = convert (f[i+256]);
}
s16+=2*i;
// float->int + channels interleaving:
s16+=a52_resample(samples,s16);
}
#ifdef TIMING
if(sum<min) min=sum;