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

Carl Eugen Hoyos ceffmpeg at gmail.com
Thu Feb 7 22:09:18 EET 2019


2019-02-07 21:07 GMT+01:00, Gyan <ffmpeg at gyani.pro>:
>
>
> 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

How is it informative?
Which other decoders are you thinking about?

Carl Eugen


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