Hi, On Mon, Aug 18, 2014 at 9:48 AM, Kieran Kunhya <kier...@obe.tv> wrote:
> On 18 August 2014 14:37, Ivan Kalvachev <ikalvac...@gmail.com> wrote: > > On 8/18/14, Kieran Kunhya <kier...@obe.tv> wrote: > >> On 18 August 2014 02:26, Ivan Kalvachev <ikalvac...@gmail.com> wrote: > >> > >>> ilpack - interlaced yuv420-> yuv422 converter. Scale should be able to > >>> do that too. > >> > >> Scale doesn't have much (any?) knowledge of interlaced chroma. > >> That said I could probably port this filter to lavfi because it would > >> be quite useful to me. I wasn't actually aware it existed. > > > > Hum? > > " > > ‘interl’ > > Set the interlacing mode. It accepts the following values: > > ‘1’ Force interlaced aware scaling. > > ‘0’ Do not apply interlaced scaling. > > ‘-1’ Select interlaced aware scaling depending on whether > > the source frames are flagged as interlaced or not. > > Default value is ‘0’. > > That is totally different to what the ilpack filter does. The ilpack > filter converts from yuv420 to yuyv (422). vf_scale doesn't have any > knowledge of interlaced chroma at all (and I sincerely hope nobody > tries adding it to swscale). How is it different? If you're interlacing-aware and call swscale_convert() twice (once for each field, double stride each, alternate offset for second call), isn't that the same? Ronald _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
