On 7/10/19, Eoff, Ullysses A <[email protected]> wrote: >> -----Original Message----- >> From: Paul B Mahol [mailto:[email protected]] >> Sent: Wednesday, July 10, 2019 3:25 AM >> To: FFmpeg development discussions and patches <[email protected]> >> Cc: Eoff, Ullysses A <[email protected]> >> Subject: Re: [FFmpeg-devel] [PATCH] avfilter: add rawdump filter >> >> On 7/10/19, Fu, Linjie <[email protected]> wrote: >> >> -----Original Message----- >> >> From: ffmpeg-devel [mailto:[email protected]] On Behalf >> >> Of Paul B Mahol >> >> Sent: Wednesday, July 10, 2019 15:55 >> >> To: FFmpeg development discussions and patches <ffmpeg- >> >> [email protected]> >> >> Cc: Eoff, Ullysses A <[email protected]> >> >> Subject: Re: [FFmpeg-devel] [PATCH] avfilter: add rawdump filter >> >> >> >> On 7/10/19, U. Artie Eoff <[email protected]> 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. >> > >> >> Maybe, I still fail how this filter is useful, when user can use split >> filter to dump video >> at any point in graph. >> > > If there are already other ways to achieve the same result without this > filter then that's great! Essentially, I'm trying to achieve exactly what > Linjie stated so we can compare raw results across different decoder > solutions. And the forced insertion of the auto scaler in ffmpeg makes > that difficult for multi-resolution cases.
Please provide examples of filtergraph where you are supposed to use this "filter". > > Could you point me to an example of using split to achieve this? See documentation of split filter. > > U. Artie > >> >> > 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 >> > _______________________________________________ >> > ffmpeg-devel mailing list >> > [email protected] >> > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel >> > >> > To unsubscribe, visit link above, or email >> > [email protected] with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
