On Wed, Jul 10, 2019 at 07:54:32PM +0000, Eoff, Ullysses A wrote: > > -----Original Message----- > > From: Eoff, Ullysses A > > Sent: Tuesday, July 09, 2019 6:45 PM > > To: ffmpeg-devel@ffmpeg.org > > Cc: Eoff, Ullysses A <ullysses.a.e...@intel.com> > > Subject: [PATCH] avfilter: add rawdump filter > > > > 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. > > > > The primary goal that I'm trying to achieve here is > dump raw "unscaled" yuv to an output file while > decoding a multi-resolution video. Unfortunately, > the ffmpeg utility auto-inserts a scaler into the filter > graph, so -f rawvideo doesn't suffice here since the > decoded data passes through the scaler before it's > handed off to the rawvideo filter. > > I experimented with the alternative methods suggested > in earlier feedback. More specifically, "reinit_filter" > and "split" were suggested. > > For "split" filter, I couldn't find a way that it could bypass > the auto-inserted scaler. >
> Although -reinit_filter 0 works in some cases, it is quite > verbose. And I have found many other cases where it > doesn't work when we need to specify additional filters > (e.g. hwupload, hwdownload when doing qsv or vaapi > accelerated decoding with hw output formats). can you fix the cases which do not work so the code works with -reinit_filter 0 ? Thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Democracy is the form of government in which you can choose your dictator
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