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Use memcpy instead of for loop

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Originally committed as revision 11051 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Benjamin Larsson 2007-11-18 10:54:38 +00:00
parent 28af284cfb
commit 289987e454
1 changed files with 2 additions and 4 deletions
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6
libavcodec/nellymoserdec.c
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@ -323,10 +323,8 @@ void nelly_decode_block(NellyMoserDecodeContext *s, unsigned char block[NELLY_BL
aptr, s->imdct_tmp); aptr, s->imdct_tmp);
/* XXX: overlapping and windowing should be part of a more /* XXX: overlapping and windowing should be part of a more
generic imdct function */ generic imdct function */
for(j = 0; j < NELLY_BUF_LEN / 2; j++) { memcpy(&aptr[0],&s->imdct_out[NELLY_BUF_LEN+NELLY_BUF_LEN/2], (NELLY_BUF_LEN/2)*sizeof(float));
aptr[j] = s->imdct_out[j + NELLY_BUF_LEN + NELLY_BUF_LEN / 2]; memcpy(&aptr[NELLY_BUF_LEN / 2],&s->imdct_out[0],(NELLY_BUF_LEN/2)*sizeof(float));
aptr[j + NELLY_BUF_LEN / 2] = s->imdct_out[j];
}
overlap_and_window(s, s->state, aptr); overlap_and_window(s, s->state, aptr);
} }
} }