From 8680741006c9bf4476e231f1b71f0d3f78ee8f42 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 2 Apr 2004 19:48:20 +0000 Subject: [PATCH] skiped mbs in interlaced b frames fix Originally committed as revision 2946 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mpeg12.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c index e4f5f26825..c675fe3e7b 100644 --- a/libavcodec/mpeg12.c +++ b/libavcodec/mpeg12.c @@ -499,8 +499,9 @@ void mpeg1_encode_mb(MpegEncContext *s, cbp |= 1 << (5 - i); } - if (cbp == 0 && !first_mb && (mb_x != s->mb_width - 1 || (mb_y != s->mb_height - 1 && s->codec_id == CODEC_ID_MPEG1VIDEO)) && - ((s->pict_type == P_TYPE && s->mv_type == MV_TYPE_16X16 && (motion_x | motion_y) == 0) || + if (cbp == 0 && !first_mb && s->mv_type == MV_TYPE_16X16 && + (mb_x != s->mb_width - 1 || (mb_y != s->mb_height - 1 && s->codec_id == CODEC_ID_MPEG1VIDEO)) && + ((s->pict_type == P_TYPE && (motion_x | motion_y) == 0) || (s->pict_type == B_TYPE && s->mv_dir == s->last_mv_dir && (((s->mv_dir & MV_DIR_FORWARD) ? ((s->mv[0][0][0] - s->last_mv[0][0][0])|(s->mv[0][0][1] - s->last_mv[0][0][1])) : 0) | ((s->mv_dir & MV_DIR_BACKWARD) ? ((s->mv[1][0][0] - s->last_mv[1][0][0])|(s->mv[1][0][1] - s->last_mv[1][0][1])) : 0)) == 0))) { s->mb_skip_run++;