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vp3: Use memset to clear the fragment array 

Originally committed as revision 22496 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2010-03-13 05:56:08 +00:00
parent cd9c03f57f
commit 703acd540e
1 changed files with 1 additions and 17 deletions
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18
libavcodec/vp3.c
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@ -285,22 +285,6 @@ static int init_block_mapping(Vp3DecodeContext *s)
return 0; /* successful path out */
}
/*
* This function wipes out all of the fragment data.
*/
static void init_frame(Vp3DecodeContext *s, GetBitContext *gb)
{
int i;
/* zero out all of the fragment information */
for (i = 0; i < s->fragment_count; i++) {
s->all_fragments[i].motion_x = 0;
s->all_fragments[i].motion_y = 0;
s->all_fragments[i].dc = 0;
s->all_fragments[i].qpi = 0;
}
}
/*
* This function sets up the dequantization tables used for a particular
* frame.
@ -1771,7 +1755,7 @@ static int vp3_decode_frame(AVCodecContext *avctx,
s->current_frame.qscale_table= s->qscale_table; //FIXME allocate individual tables per AVFrame
s->current_frame.qstride= 0;
init_frame(s, &gb);
memset(s->all_fragments, 0, s->fragment_count * sizeof(Vp3Fragment));
if (unpack_superblocks(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");