Mats Peterson <matsp888-at-yahoo....@ffmpeg.org> skrev: (4 mars 2016 22:12:41 CET) >On 03/04/2016 10:02 PM, Mats Peterson wrote: >> On 03/04/2016 09:52 PM, Mats Peterson wrote: >>> On 03/04/2016 08:44 PM, Michael Niedermayer wrote: >>>> On Fri, Mar 04, 2016 at 11:59:11AM +0100, Mats Peterson wrote: >>>>> On 03/04/2016 05:59 AM, Mats Peterson wrote: >>>>>> Removed some unused variables in AVIStream. >>>>>> >>>>> >>>>> >>>>> I would like to remind you of the fact that this patch (and the >one >>>>> for riffenc.c) is needed for stream copying of Microsoft Video 1 >>>>> (CRAM) in 8-bit mode, Microsoft RLE4 and Microsoft RLE8. There are >>>>> possibly more codecs using a palette, but these are the ones I can >>>>> come up with at the moment. >>>> >>>> i tried CRAM and MSRLE, but these already work when streamcopied >>>> before, do you have a testcase that does not work >>>> >>> >>> It works, but only so much. On stream copy, it will only write the >>> palette after BITMAPINFOHEADER to the destination file. It won't >write >>> any xxpc palette switching chunks to the file. >>> >>> Mats >>> >> The xxpc chunks come as palette side data. >> >> Mats > > >Try ffmpeg -i 8bpp_129.avi -vcodec copy test.avi, with and without the >avienc.c and riffenc.c patch. The destination file will only contain >xxpc chunks with my patch applied. > >Mats > > >_______________________________________________ >ffmpeg-devel mailing list >ffmpeg-devel@ffmpeg.org >http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
What's more, the whole idea with using a shared function for retrieval of the palette for a muxer was to enable a calling program to deliver it as side data, if desired. Mats -- Mats Peterson http://matsp888.no-ip.org/~mats/ _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
