On 1/27/16, Andy Furniss <[email protected]> wrote: > Paul B Mahol wrote: >> On 1/26/16, Andy Furniss <[email protected]> wrote: >>> Andy Furniss wrote: >>> Here's the assert - after seeing swscale in the first test I tried >>> format=rgb24 ... >> >> use copy filter before zscale filter. >> Anyway using y4m is wrong as it doesnt have frame metadata as >> primaries,matrix coefficients etc. > > As I said I did also try a "real" input = the transport stream I linked. > >> I added support for overriding input params in zscale. > > Thank you. > >> so something like this should work: >> >> ffmpeg -i input.y4m zscale=min=709:range=full,format=gbrp out.png >> >> If it asserts, add copy: >> >> ffmpeg -i input.y4m copy,zscale=min=709:range=full,format=gbrp out.png > > This works - it will assert without the copy. > > Is interlace aware 420 -> * possible? > > I notice in the web help - > > https://www.ffmpeg.org/ffmpeg-filters.html#toc-zscale > > That there are several options at the end that don't appear in ffmpeg -h > full. > > Earlier I tried the [o]hsub/vsub so I know they are unrecognised - > maybe they and any others that don't parse should be removed. >
That are not options, but parameters used in expression evaluation. _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
