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Rename var: add read coefficients a decent name

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Originally committed as revision 13435 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-05-26 18:26:47 +00:00
parent e9655b3dcd
commit 6286924461
1 changed files with 11 additions and 10 deletions
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21
libavcodec/ra144.c
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@ -208,29 +208,30 @@ static void do_output_subblock(RA144Context *ractx,
{ {
uint16_t buffer_a[40]; uint16_t buffer_a[40];
uint16_t *block; uint16_t *block;
int a = get_bits(gb, 7); int cba_idx = get_bits(gb, 7); // Index of the adaptative CB. 0 if none.
int d = get_bits(gb, 8); int gain = get_bits(gb, 8);
int b = get_bits(gb, 7); int cb1_idx = get_bits(gb, 7);
int c = get_bits(gb, 7); int cb2_idx = get_bits(gb, 7);
int m[3]; int m[3];
if (a) { if (cba_idx) {
a += HALFBLOCK - 1; cba_idx += HALFBLOCK - 1;
rotate_block(ractx->adapt_cb, buffer_a, a); rotate_block(ractx->adapt_cb, buffer_a, cba_idx);
m[0] = irms(buffer_a, gval) >> 12; m[0] = irms(buffer_a, gval) >> 12;
} else { } else {
m[0] = 0; m[0] = 0;
} }
m[1] = ((ftable1[b] >> 4) * gval) >> 8; m[1] = ((ftable1[cb1_idx] >> 4) * gval) >> 8;
m[2] = ((ftable2[c] >> 4) * gval) >> 8; m[2] = ((ftable2[cb2_idx] >> 4) * gval) >> 8;
memmove(ractx->adapt_cb, ractx->adapt_cb + BLOCKSIZE, memmove(ractx->adapt_cb, ractx->adapt_cb + BLOCKSIZE,
(BUFFERSIZE - BLOCKSIZE) * 2); (BUFFERSIZE - BLOCKSIZE) * 2);
block = ractx->adapt_cb + BUFFERSIZE - BLOCKSIZE; block = ractx->adapt_cb + BUFFERSIZE - BLOCKSIZE;
add_wav(d, a, m, buffer_a, etable1[b], etable2[c], block); add_wav(gain, cba_idx, m, buffer_a, etable1[cb1_idx], etable2[cb2_idx],
block);
final(gsp, block, output_buffer, ractx->buffer, BLOCKSIZE); final(gsp, block, output_buffer, ractx->buffer, BLOCKSIZE);
} }