From 5ff8ca1f04e75ad6c1934f3818c01d1e9bda8456 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 25 Dec 2012 03:54:51 +0100 Subject: [PATCH] mjpegdec: Handle RSTn in progressive jpegs Fixes Ticket2003 Reviewed-by: Alexander Strasser Signed-off-by: Michael Niedermayer --- libavcodec/mjpegdec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index cf7dd8c4dd..2ad1e2d78b 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -1141,6 +1141,9 @@ static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss, uint8_t *last_nnz = &s->last_nnz[c][block_idx]; for (mb_x = 0; mb_x < s->mb_width; mb_x++, block++, last_nnz++) { int ret; + if (s->restart_interval && !s->restart_count) + s->restart_count = s->restart_interval; + if (Ah) ret = decode_block_refinement(s, *block, last_nnz, s->ac_index[0], quant_matrix, ss, se, Al, &EOBRUN); @@ -1157,6 +1160,7 @@ static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss, s->dsp.idct_put(ptr, linesize, *block); ptr += 8 >> s->avctx->lowres; } + handle_rstn(s, 0); } } return 0;