[FFmpeg-devel] [PATCH] avfilter: add metadata filters

[Moritz Barsnick]

On Sat, Feb 06, 2016 at 12:47:25 +0100, Paul B Mahol wrote:
> patch attached.

Nice. (Untested.)



> +Manipulate frames metadata.
  Either:
    frame metadata [using this as a generic term]
  or:
    frames' metadata

I prefer the former.

> +If both @code{value} and @code{key} is set, select frame
                                                      ^^^^^ frames (plural)
> +every frame that have such key in metadata.
                    ^^^^ has (singular)

> +Print key and value if metadata was found.
I'm not sure I've understood whether this can apply to only matching
metadata (key, key/value), or to any metadata.

> +Set metadata value which will be used. This option is mandatory for modify
> +and add mode.
  for 'modify' and 'add' modes (note the quoting and the plural).

> +Set length of how much characters of two metadata values need to match to be
                     ^^^^ many

Moritz