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Simplify rotate_buffer()

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Originally committed as revision 13914 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-06-23 19:59:42 +00:00
parent cb51aef1ab
commit 5983d1c480
1 changed files with 5 additions and 6 deletions
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11
libavcodec/ra144.c
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@ -97,14 +97,13 @@ static void eval_coefs(const int *refl, int *coefs)
/* rotate block */
static void rotate_block(const int16_t *source, int16_t *target, int offset)
{
int i=0, k=0;
source += BUFFERSIZE - offset;
while (i<BLOCKSIZE) {
target[i++] = source[k++];
if (k == offset)
k = 0;
if (offset > BLOCKSIZE) {
memcpy(target, source, BLOCKSIZE*sizeof(*target));
} else {
memcpy(target, source, offset*sizeof(*target));
memcpy(target + offset, source, (BLOCKSIZE - offset)*sizeof(*target));
}
}