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Pass directly variable 'a' to interp instead of evaluating it from num_blocks 

Originally committed as revision 15269 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-09-08 18:18:29 +00:00
parent b28bdce688
commit 3e30f46f8b
1 changed files with 4 additions and 5 deletions
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9
libavcodec/ra144.c
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@ -258,11 +258,10 @@ static int eval_refl(int *refl, const int16_t *coefs, RA144Context *ractx)
return 0;
}
static int interp(RA144Context *ractx, int16_t *out, int block_num,
static int interp(RA144Context *ractx, int16_t *out, int a,
int copyold, int energy)
{
int work[10];
int a = block_num + 1;
int b = NBLOCKS - a;
int i;
@ -315,10 +314,10 @@ static int ra144_decode_frame(AVCodecContext * avctx, void *vdata,
energy = energy_tab[get_bits(&gb, 5)];
refl_rms[0] = interp(ractx, block_coefs[0], 0, 1, ractx->old_energy);
refl_rms[1] = interp(ractx, block_coefs[1], 1, energy <= ractx->old_energy,
refl_rms[0] = interp(ractx, block_coefs[0], 1, 1, ractx->old_energy);
refl_rms[1] = interp(ractx, block_coefs[1], 2, energy <= ractx->old_energy,
t_sqrt(energy*ractx->old_energy) >> 12);
refl_rms[2] = interp(ractx, block_coefs[2], 2, 0, energy);
refl_rms[2] = interp(ractx, block_coefs[2], 3, 0, energy);
refl_rms[3] = rescale_rms(ractx->lpc_refl_rms[0], energy);
int_to_int16(block_coefs[3], ractx->lpc_coef[0]);