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thp: Fix handling of restart interval 

Fixes Ticket903

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-01-14 23:30:01 +01:00
parent 7a1723086a
commit 1843e6c8aa
1 changed files with 6 additions and 0 deletions
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6
libavcodec/mjpegdec.c
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@ -1048,6 +1048,12 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah,
if (s->restart_interval) {
s->restart_count--;
if(s->restart_count == 0 && s->avctx->codec_id == CODEC_ID_THP){
align_get_bits(&s->gb);
for (i = 0; i < nb_components; i++) /* reset dc */
s->last_dc[i] = 1024;
}
i = 8 + ((-get_bits_count(&s->gb)) & 7);
/* skip RSTn */
if (show_bits(&s->gb, i) == (1 << i) - 1) {