[FFmpeg-devel] [PATCH] mpeg12enc: Use Closed Captions if available

Gyan ffmpeg at gyani.pro
Thu Feb 7 22:07:02 EET 2019



On 08-02-2019 01:18 AM, Carl Eugen Hoyos wrote:
> 2019-02-07 20:16 GMT+01:00, Mathieu Duponchelle <mathieu at centricular.com>:
>> ---
>>   doc/encoders.texi      |  3 +++
>>   libavcodec/mpeg12enc.c | 31 +++++++++++++++++++++++++++++++
>>   libavcodec/mpegvideo.h |  2 ++
>>   3 files changed, 36 insertions(+)
>>
>> diff --git a/doc/encoders.texi b/doc/encoders.texi
>> index e86ae69cc5..378a2ca8eb 100644
>> --- a/doc/encoders.texi
>> +++ b/doc/encoders.texi
>> @@ -2574,6 +2574,9 @@ Specifies the video_format written into the sequence
>> display extension
>>   indicating the source of the video pictures. The default is
>> @samp{unspecified},
>>   can be @samp{component}, @samp{pal}, @samp{ntsc}, @samp{secam} or
>> @samp{mac}.
>>   For maximum compatibility, use @samp{component}.
>> + at item a53cc @var{boolean}
>> +Import closed captions (which must be ATSC compatible format) into output.
>> +Only the mpeg2 and h264 decoders provide these.
> Sorry for the late comment:
> This is not a helpful sentence imo, many features are not provided
> by all parts of FFmpeg and it is (too) difficult to keep such lists up-to-date.
> Which other decoder are you thinking about?
>
Let it remain. It is informative, and an extremely short list. Can be 
updated as needed.

Gyan


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