> -Original Message-
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
> Of Derek Buitenhuis
> Sent: Friday, December 28, 2018 12:47 AM
> To: ffmpeg-devel@ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH V3 3/3] add an example to show how to
&
On 27/12/2018 11:06, Guo, Yejun wrote:
> This patch is just a quick example to show how to fill the ROI info,
> it does not ask for upstreaming, just for your reference.
>
> to verify the ROI feature with this example, the command line looks like:
> ./ffmpeg -i .../path_to_1920x1080_video_file -vf
This patch is just a quick example to show how to fill the ROI info,
it does not ask for upstreaming, just for your reference.
to verify the ROI feature with this example, the command line looks like:
./ffmpeg -i .../path_to_1920x1080_video_file -vf scale=1920:1080 -c:v libx264
-b:v 2000k -y tmp.
