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Rename rotate_buffer() to copy_and_dup() and doxy it

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Originally committed as revision 13919 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-06-23 20:18:51 +00:00
parent 70e708677e
commit 51062b926b
1 changed files with 6 additions and 3 deletions
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9
libavcodec/ra144.c
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@ -94,8 +94,11 @@ static void eval_coefs(const int *refl, int *coefs)
coefs[x] >>= 4;
}
/* rotate block */
static void rotate_block(const int16_t *source, int16_t *target, int offset)
/**
* Copy the last offset values of *source to *target. If those values are not
* enough to fill the target buffer, fill it with another copy of those values.
*/
static void copy_and_dup(const int16_t *source, int16_t *target, int offset)
{
source += BUFFERSIZE - offset;
@ -215,7 +218,7 @@ static void do_output_subblock(RA144Context *ractx,
if (cba_idx) {
cba_idx += HALFBLOCK - 1;
rotate_block(ractx->adapt_cb, buffer_a, cba_idx);
copy_and_dup(ractx->adapt_cb, buffer_a, cba_idx);
m[0] = irms(buffer_a, gval) >> 12;
} else {
m[0] = 0;