[FFmpeg-devel] [PATCH, v2 2/2] doc/ffmpeg.texi: update docs for autoscale/autorotate

[Eoff, Ullysses A]

> -----Original Message-----
> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf Of Linjie Fu
> Sent: Tuesday, July 16, 2019 4:20 AM
> To: ffmpeg-devel at ffmpeg.org
> Cc: Fu, Linjie <linjie.fu at intel.com>
> Subject: [FFmpeg-devel] [PATCH, v2 2/2] doc/ffmpeg.texi: update docs for autoscale/autorotate
> 
> Add docs for autoscale.
> 
> Update information for autorotate according to ffplay.
> 
> Signed-off-by: Linjie Fu <linjie.fu at intel.com>
> ---
>  doc/ffmpeg.texi | 14 ++++++++++----
>  1 file changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
> index cd35eb49c8..b91da2b2b4 100644
> --- a/doc/ffmpeg.texi
> +++ b/doc/ffmpeg.texi
> @@ -734,10 +734,6 @@ ffmpeg -dump_attachment:t "" -i INPUT
>  Technical note -- attachments are implemented as codec extradata, so this
>  option can actually be used to extract extradata from any stream, not just
>  attachments.
> -
> - at item -noautorotate
> -Disable automatically rotating video based on file metadata.
> -
>  @end table
> 
>  @section Video Options
> @@ -819,6 +815,16 @@ Create the filtergraph specified by @var{filtergraph} and use it to
>  filter the stream.
> 
>  This is an alias for @code{-filter:v}, see the @ref{filter_option,,-filter option}.
> +
> + at item -autorotate
> +Automatically rotate the video according to file metadata. Enabled by
> +default, use @option{-noautorotate} to disable it.
> +
> + at item -autoscale
> +Automatically scale the video according to the resolution of first frame.
> +Enabled by default, use @option{-noautoscale} to disable it. Each frame of
> +the output raw video can be in different resolutions and is in need to be
> +handled next.

This last sentence has strange grammar.  Here's my shot at it:

"When autoscale is disabled, all output frames might not be in the
same resolution and may require some additional explicit processing
according to your final rendering/output destination."

>  @end table
> 
>  @section Advanced Video options
> --
> 2.17.1
> 
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