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| author | Limin Wang <lance.lmwang@gmail.com> | 2021-12-25 22:21:03 +0800 |
|---|---|---|
| committer | Limin Wang <lance.lmwang@gmail.com> | 2021-12-28 14:19:38 +0800 |
| commit | 7dfc3cc713ea0dbe7aeedcc2a272a5382a36dbcd (patch) | |
| tree | dee333b300c756de5012621995ae9e839dc215de /doc | |
| parent | 617452ce2c7857bdac40d4b33724e414d2712e7c (diff) | |
avcodec/libx26[45]: add udu_sei option to import user data unregistered SEIs
Most of user data unregistered SEIs are privated data which defined by user/
encoder. currently, the user data unregistered SEIs found in input are forwarded
as side-data to encoders directly, it'll cause the reencoded output including some
useless UDU SEIs.
I prefer to add one option to enable/disable it and default is off after I saw
the patch by Andreas Rheinhardt:
https://patchwork.ffmpeg.org/project/ffmpeg/patch/AM7PR03MB66607C2DB65E1AD49D975CF18F7B9@AM7PR03MB6660.eurprd03.prod.outlook.com/
How to test by cli:
ffmpeg -y -f lavfi -i testsrc -c:v libx264 -frames:v 1 a.ts
ffmpeg -y -i a.ts -c:v libx264 -udu_sei 1 b.ts
ffmpeg -y -i a.ts -c:v libx264 -udu_sei 0 c.ts
# check the user data unregistered SEIs, you'll see two UDU SEIs for b.ts.
# and mediainfo will show with wrong encoding setting info
ffmpeg -i b.ts -vf showinfo -f null -
ffmpeg -i c.ts -vf showinfo -f null -
This fixes tickets #9500 and #9557.
Reviewed-by: "zhilizhao(赵志立)" <quinkblack@foxmail.com>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/encoders.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index 8a7589c245..e3b61de5a1 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -2660,6 +2660,9 @@ ffmpeg -i foo.mpg -c:v libx264 -x264opts keyint=123:min-keyint=20 -an out.mkv Import closed captions (which must be ATSC compatible format) into output. Only the mpeg2 and h264 decoders provide these. Default is 1 (on). +@item udu_sei @var{boolean} +Import user data unregistered SEI if available into output. Default is 0 (off). + @item x264-params (N.A.) Override the x264 configuration using a :-separated list of key=value parameters. @@ -2741,6 +2744,9 @@ Quantizer curve compression factor Normally, when forcing a I-frame type, the encoder can select any type of I-frame. This option forces it to choose an IDR-frame. +@item udu_sei @var{boolean} +Import user data unregistered SEI if available into output. Default is 0 (off). + @item x265-params Set x265 options using a list of @var{key}=@var{value} couples separated by ":". See @command{x265 --help} for a list of options. |