> -----Original Message-----
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
> Of Paul B Mahol
> Sent: Wednesday, July 10, 2019 15:55
> To: FFmpeg development discussions and patches <ffmpeg-
> de...@ffmpeg.org>
> Cc: Eoff, Ullysses A <ullysses.a.e...@intel.com>
> Subject: Re: [FFmpeg-devel] [PATCH] avfilter: add rawdump filter
> 
> On 7/10/19, U. Artie Eoff <ullysses.a.e...@intel.com> wrote:
> > This filter enables raw frames to be dumped to a
> > file before they are sent through the auto-inserted
> > scaler filter and useful when you want unscaled
> > raw frames in an output file.
> >
> 
> Why?
> 
> -f rawvideo doesn't work for you?

unscaled raw video could be dumped through this filter in resolution changing 
cases.

IMHO, it will be great if there are some options available to disable/enable 
the auto scaling filter
in pipeline, thus the whole stream doesn't need to be scaled into the same size 
of the first frame. 
The difference in scale algorithms will make it hard to compare the output with 
other decoder.

- linjie
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