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| author | emcodem <emcodem@ffastrans.com> | 2021-01-21 18:59:45 +0100 |
|---|---|---|
| committer | Stephen Hutchinson <qyot27@gmail.com> | 2021-03-11 14:21:30 -0500 |
| commit | 8b74458d9303454fcbe9869a00df0c08461dfd4c (patch) | |
| tree | 1e8fb75c248204af5ada09077e8f2fa6b657469e /libavformat/avisynth.c | |
| parent | 4c40686ee25f2aae29a121fe9e52c5db41007b36 (diff) | |
| download | ffmpeg-8b74458d9303454fcbe9869a00df0c08461dfd4c.tar.gz | |
avisynth: populate field order
Fixes Trac ticket #8757
Signed-off-by: Stephen Hutchinson <qyot27@gmail.com>
Diffstat (limited to 'libavformat/avisynth.c')
| -rw-r--r-- | libavformat/avisynth.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c index 5756aea0b6..64fb6cc98f 100644 --- a/libavformat/avisynth.c +++ b/libavformat/avisynth.c @@ -243,6 +243,23 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st) st->nb_frames = avs->vi->num_frames; avpriv_set_pts_info(st, 32, avs->vi->fps_denominator, avs->vi->fps_numerator); + av_log(s, AV_LOG_TRACE, "avs_is_field_based: %d\n", avs_is_field_based(avs->vi)); + av_log(s, AV_LOG_TRACE, "avs_is_parity_known: %d\n", avs_is_parity_known(avs->vi)); + + /* The following typically only works when assumetff (-bff) and + * assumefieldbased is used in-script. Additional + * logic using GetParity() could deliver more accurate results + * but also decodes a frame which we want to avoid. */ + st->codecpar->field_order = AV_FIELD_UNKNOWN; + if (avs_is_field_based(avs->vi)) { + if (avs_is_tff(avs->vi)) { + st->codecpar->field_order = AV_FIELD_TT; + } + else if (avs_is_bff(avs->vi)) { + st->codecpar->field_order = AV_FIELD_BB; + } + } + switch (avs->vi->pixel_type) { /* 10~16-bit YUV pix_fmts (AviSynth+) */ case AVS_CS_YUV444P10: |