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Rename st{1,2}{a,b} context variables to more meaningful names: {sp,gain}_{rec,hist} 

Originally committed as revision 14420 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-07-26 15:10:17 +00:00
parent 4a1aa38bda
commit 272d258ab9
1 changed files with 14 additions and 4 deletions
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18
libavcodec/ra288.c
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@ -31,8 +31,18 @@ typedef struct {
float pr2[10]; float pr2[10];
int phase; int phase;
float st1a[111], st1b[37], st1[37]; float sp_hist[111]; ///< Speech data history (spec: SB)
float st2a[38], st2b[11], st2[11];
/** Speech part of the gain autocorrelation (spec: REXP) */
float sp_rec[37];
float st1[37];
float gain_hist[38]; ///< Log-gain history (spec: SBLG)
/** Recursive part of the gain autocorrelation (spec: REXPLG) */
float gain_rec[11];
float st2[11];
float sb[41]; float sb[41];
float lhist[10]; float lhist[10];
} RA288Context; } RA288Context;
@ -193,7 +203,7 @@ static void backward_filter(RA288Context *ractx)
memcpy(buffer1 , ractx->output + 20, 20*sizeof(*buffer1)); memcpy(buffer1 , ractx->output + 20, 20*sizeof(*buffer1));
memcpy(buffer1 + 20, ractx->output , 20*sizeof(*buffer1)); memcpy(buffer1 + 20, ractx->output , 20*sizeof(*buffer1));
do_hybrid_window(36, 40, 35, buffer1, temp1, ractx->st1a, ractx->st1b, do_hybrid_window(36, 40, 35, buffer1, temp1, ractx->sp_hist, ractx->sp_rec,
syn_window); syn_window);
if (!eval_lpc_coeffs(temp1, ractx->st1, 36)) if (!eval_lpc_coeffs(temp1, ractx->st1, 36))
@ -202,7 +212,7 @@ static void backward_filter(RA288Context *ractx)
memcpy(buffer2 , ractx->history + 4, 4*sizeof(*buffer2)); memcpy(buffer2 , ractx->history + 4, 4*sizeof(*buffer2));
memcpy(buffer2 + 4, ractx->history , 4*sizeof(*buffer2)); memcpy(buffer2 + 4, ractx->history , 4*sizeof(*buffer2));
do_hybrid_window(10, 8, 20, buffer2, temp2, ractx->st2a, ractx->st2b, do_hybrid_window(10, 8, 20, buffer2, temp2, ractx->gain_hist, ractx->gain_rec,
gain_window); gain_window);
if (!eval_lpc_coeffs(temp2, ractx->st2, 10)) if (!eval_lpc_coeffs(temp2, ractx->st2, 10))