diff --git a/libavcodec/dvdec.c b/libavcodec/dvdec.c index 6306b5a548..d3a12347b3 100644 --- a/libavcodec/dvdec.c +++ b/libavcodec/dvdec.c @@ -343,12 +343,13 @@ static int dvvideo_decode_frame(AVCodecContext *avctx, s->picture.interlaced_frame = 1; s->picture.top_field_first = 0; - /* Determine the codec's sample_aspect ratio from the packet */ + /* Determine the codec's sample_aspect ratio and field order from the packet */ vsc_pack = buf + 80*5 + 48 + 5; if ( *vsc_pack == dv_video_control ) { apt = buf[4] & 0x07; is16_9 = (vsc_pack[2] & 0x07) == 0x02 || (!apt && (vsc_pack[2] & 0x07) == 0x07); avctx->sample_aspect_ratio = s->sys->sar[is16_9]; + s->picture.top_field_first = !(vsc_pack[3] & 0x40); } s->buf = buf;