Originally committed as revision 5750 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-07-14 19:14:25 +00:00
parent c90c39190e
commit 8ea543b580

View File

@ -749,7 +749,7 @@ static int lpc_calc_coefs(const int32_t *samples, int blocksize, int max_order,
double var[MAX_LPC_ORDER+1], eval;
for(pass=0; pass<use_lpc-1; pass++){
av_init_lls(&m[pass&1], max_order/*3*/);
av_init_lls(&m[pass&1], max_order);
for(i=max_order; i<blocksize; i++){
for(j=0; j<=max_order; j++)
@ -759,7 +759,7 @@ static int lpc_calc_coefs(const int32_t *samples, int blocksize, int max_order,
eval= av_evaluate_lls(&m[(pass-1)&1], var+1);
eval= (512>>pass) + fabs(eval - var[0]);
for(j=0; j<=max_order; j++)
var[j]= samples[i-j] / sqrt(eval);
var[j]/= sqrt(eval);
}
av_update_lls(&m[pass&1], var, 1.0);