From 8cbb8f53575d40a26d5b1d065acb0a85bbb15e74 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= Date: Mon, 15 Oct 2012 17:15:37 +0200 Subject: [PATCH] dv: Set FS flag from AVFrame.top_field_first Signed-off-by: Michael Niedermayer --- libavcodec/dv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/dv.c b/libavcodec/dv.c index a7dfbdc1b2..5b4ad2337d 100644 --- a/libavcodec/dv.c +++ b/libavcodec/dv.c @@ -818,6 +818,7 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c, * compression scheme (if any). */ int apt = (c->sys->pix_fmt == AV_PIX_FMT_YUV420P ? 0 : 1); + int fs = c->picture.top_field_first ? 0x00 : 0x40; uint8_t aspect = 0; if ((int)(av_q2d(c->avctx->sample_aspect_ratio) * c->avctx->width / c->avctx->height * 10) >= 17) /* 16:9 */ @@ -856,7 +857,7 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c, buf[2] = 0xc8 | /* reserved -- always b11001xxx */ aspect; buf[3] = (1 << 7) | /* frame/field flag 1 -- frame, 0 -- field */ - (1 << 6) | /* first/second field flag 0 -- field 2, 1 -- field 1 */ + fs | /* first/second field flag 0 -- field 2, 1 -- field 1 */ (1 << 5) | /* frame change flag 0 -- same picture as before, 1 -- different */ (1 << 4) | /* 1 - interlaced, 0 - noninterlaced */ 0xc; /* reserved -- always b1100 */