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clear_block mmx

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Originally committed as revision 16045 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Loren Merritt
2008-12-10 21:35:17 +00:00
parent 5fac277602
commit 5fecfb7d58
10 changed files with 56 additions and 25 deletions
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4
libavcodec/mjpegdec.c
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@@ -444,7 +444,7 @@ static int decode_dc_progressive(MJpegDecodeContext *s, DCTELEM *block, int comp
int dc_index, int16_t *quant_matrix, int Al)
{
int val;
memset(block, 0, 64*sizeof(DCTELEM));
s->dsp.clear_block(block);
val = mjpeg_decode_dc(s, dc_index);
if (val == 0xffff) {
av_log(s->avctx, AV_LOG_ERROR, "error dc\n");
@@ -800,7 +800,7 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah, i
if(s->interlaced && s->bottom_field)
ptr += linesize[c] >> 1;
if(!s->progressive) {
memset(s->block, 0, sizeof(s->block));
s->dsp.clear_block(s->block);
if(decode_block(s, s->block, i,
s->dc_index[i], s->ac_index[i],
s->quant_matrixes[ s->quant_index[c] ]) < 0) {