[FFmpeg-devel] [PATCH] doc/ffmpeg - rewrite Stream Selection chapter

Lou Logan lou at lrcd.com
Wed May 30 02:09:15 EEST 2018


On Sun, 27 May 2018 09:46:46 +0530
Gyan Doshi <gyandoshi at gmail.com> wrote:

> I was talking about the vertical margins appled to the 'code' element.

That's ugly too. I removed the margin for the code element.

> From 60ed76348e70f1b0a25eadde8d886d47be3fca69 Mon Sep 17 00:00:00 2001
> From: Gyan Doshi <ffmpeg at gyani.pro>
> Date: Thu, 24 May 2018 19:11:00 +0530
> Subject: [PATCH v2] doc/ffmpeg - rewrite Stream Selection chapter

The subject nit still exists.

doc/ffmpeg: rewrite Stream Selection chapter

> Flesh out with details and examples to show quirks and limitations.
> ---
>  doc/ffmpeg.texi | 187 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 177 insertions(+), 10 deletions(-)
> 
> diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
> index 88dbdeb95a..803490ce7b 100644
> --- a/doc/ffmpeg.texi
> +++ b/doc/ffmpeg.texi
[...]
> +It will select that stream based upon the following criteria:
> +@*
> +@*for video, it is the stream with the highest resolution,
> +@*for audio, it is the stream with the most channels,
> +@*for subtitles, it is the first subtitle stream found but there's a caveat.
> +The output format's default subtitle encoder may be text-based or image-based, and only a
> +subtitle stream of the same type can be chosen.

Using an itemized list here will look better in my opinion.

@itemize
@item
for video, it is the stream with the highest resolution,
@item
...
@end itemize

[...]
> + at subsubheading Example: automatic stream selection

The subsubheadings did not render in the HTML for me, but they did in
man. I didn't investigate why.

[...]
> + at subsubheading Example: unlabeled filtergraph outputs 

Trailing whitespace.

I'm not convinced a verbose, tutorial-style set of examples belongs
here. I tend to put such things in the wiki, but if you think otherwise
that's fine.

That's all of my comments. Everything else LGTM.


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