[FFmpeg-devel] [PATCH]Write fiel atom independent of other Video Sample Description Extensions

[Carl Eugen Hoyos]

Hi!

I may miss something but I don't see why asp or h264 video cannot contain 
field handling information.

As a side-effect, this fixes ticket #2202.

Please review, Carl Eugen
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diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 08015b5..df52d49 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1127,13 +1127,14 @@ static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
         mov_write_avcc_tag(pb, track);
         if(track->mode == MODE_IPOD)
             mov_write_uuid_tag_ipod(pb);
-    } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
-        mov_write_fiel_tag(pb, track);
-    else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
+    } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
         mov_write_dvc1_tag(pb, track);
     else if (track->vos_len > 0)
         mov_write_glbl_tag(pb, track);
 
+    if (track->enc->field_order != AV_FIELD_UNKNOWN)
+        mov_write_fiel_tag(pb, track);
+
     if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
         track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
         mov_write_pasp_tag(pb, track);