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ffmpeg
Commit 8cbb8f53 authored by Tomas Härdin's avatar Tomas Härdin Committed by Michael Niedermayer
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dv: Set FS flag from AVFrame.top_field_first 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 7b383bd9
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Showing with 2 additions and 1 deletion
libavcodec/dv.c
View file @ 8cbb8f53
...@@ -818,6 +818,7 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c, ...@@ -818,6 +818,7 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c,
* compression scheme (if any). * compression scheme (if any).
*/ */
int apt = (c->sys->pix_fmt == AV_PIX_FMT_YUV420P ? 0 : 1); 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; uint8_t aspect = 0;
if ((int)(av_q2d(c->avctx->sample_aspect_ratio) * c->avctx->width / c->avctx->height * 10) >= 17) /* 16:9 */ 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, ...@@ -856,7 +857,7 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c,
buf[2] = 0xc8 | /* reserved -- always b11001xxx */ buf[2] = 0xc8 | /* reserved -- always b11001xxx */
aspect; aspect;
buf[3] = (1 << 7) | /* frame/field flag 1 -- frame, 0 -- field */ 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 << 5) | /* frame change flag 0 -- same picture as before, 1 -- different */
(1 << 4) | /* 1 - interlaced, 0 - noninterlaced */ (1 << 4) | /* 1 - interlaced, 0 - noninterlaced */
0xc; /* reserved -- always b1100 */ 0xc; /* reserved -- always b1100 */
......
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