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Remove st1 and st2 temporary buffers in backward_filter() and use instead

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RA288Context.pr{1,2}. Note that the pr{1,2} buffers are one unity smaller
than the st{1,2} buffers. My guess is that the original coder decided to
add one to the array sizes "just to be sure".

Originally committed as revision 14435 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-07-27 20:55:27 +00:00
parent 51be0eb482
commit 59da0390dc
1 changed files with 4 additions and 6 deletions
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10
libavcodec/ra288.c
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@ -197,20 +197,18 @@ static void backward_filter(RA288Context *ractx)
{ {
float temp1[37]; float temp1[37];
float temp2[11]; float temp2[11];
float st1[37];
float st2[11];
do_hybrid_window(36, 40, 35, ractx->output, temp1, ractx->sp_hist, ractx->sp_rec, do_hybrid_window(36, 40, 35, ractx->output, temp1, ractx->sp_hist, ractx->sp_rec,
syn_window); syn_window);
if (!eval_lpc_coeffs(temp1, st1, 36)) if (!eval_lpc_coeffs(temp1, ractx->pr1, 36))
colmult(ractx->pr1, st1, syn_bw_tab, 36); colmult(ractx->pr1, ractx->pr1, syn_bw_tab, 36);
do_hybrid_window(10, 8, 20, ractx->history, temp2, ractx->gain_hist, ractx->gain_rec, do_hybrid_window(10, 8, 20, ractx->history, temp2, ractx->gain_hist, ractx->gain_rec,
gain_window); gain_window);
if (!eval_lpc_coeffs(temp2, st2, 10)) if (!eval_lpc_coeffs(temp2, ractx->pr2, 10))
colmult(ractx->pr2, st2, gain_bw_tab, 10); colmult(ractx->pr2, ractx->pr2, gain_bw_tab, 10);
} }
/* Decode a block (celp) */ /* Decode a block (celp) */