When re-encoding for example interlaced h264 from mkv into mkv, the
field ordering type switches from TT to TB, confusing some players.
Same happens on a lot of other cases as well.
I have no idea if this is the correct fix for it, but something is
definitely going wrong.
---
ffmpeg.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/ffmpeg.c b/ffmpeg.c
index ccb6638e0a..41f9bc4fb7 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -1206,7 +1206,7 @@ static void do_video_out(OutputFile *of,
avoid any copies. We support temporarily the older
method. */
if (in_picture->interlaced_frame)
- mux_par->field_order = in_picture->top_field_first ?
AV_FIELD_TB:AV_FIELD_BT;
+ mux_par->field_order = in_picture->top_field_first ?
AV_FIELD_TT:AV_FIELD_BB;
else
mux_par->field_order = AV_FIELD_PROGRESSIVE;
pkt.data = (uint8_t *)in_picture;
@@ -1226,7 +1226,7 @@ static void do_video_out(OutputFile *of,
in_picture->top_field_first = !!ost->top_field_first;
if (in_picture->interlaced_frame) {
- if (enc->codec->id == AV_CODEC_ID_MJPEG)
+ if (enc->codec->id != AV_CODEC_ID_MJPEG)
mux_par->field_order = in_picture->top_field_first ?
AV_FIELD_TT:AV_FIELD_BB;
else
mux_par->field_order = in_picture->top_field_first ?
AV_FIELD_TB:AV_FIELD_BT;
--
2.14.1
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