Re: [FFmpeg-devel] [PATCH 9/9] dnxhdenc: fix scan used for bitstream generation

2015-10-05 Thread Christophe Gisquet
Hi, 2015-10-04 4:14 GMT+02:00 Michael Niedermayer : > ./ffmpeg -f lavfi -i testsrc=s=1440x1080 -vframes 1 -pix_fmt yuv422p -vcodec > dnxhd -vb 80M -flags +ildct file.mov btw this afaik uses CID 1260 which has a particular feature, MBAFF-like. While we do handle it since a few revision, I suspec

Re: [FFmpeg-devel] [PATCH 9/9] dnxhdenc: fix scan used for bitstream generation

2015-10-03 Thread Christophe Gisquet
Hi, Le 4 oct. 2015 04:16, "Michael Niedermayer" a écrit : > > On Sat, Oct 03, 2015 at 06:59:22PM +0200, Christophe Gisquet wrote: > > The functions related to bitstream reading must use the natural zigzag > > order, and not the one permuted for use in the iDCT. > > > > This resulted in a bitstrea

Re: [FFmpeg-devel] [PATCH 9/9] dnxhdenc: fix scan used for bitstream generation

2015-10-03 Thread Michael Niedermayer
On Sat, Oct 03, 2015 at 06:59:22PM +0200, Christophe Gisquet wrote: > The functions related to bitstream reading must use the natural zigzag > order, and not the one permuted for use in the iDCT. > > This resulted in a bitstream where the AC coefficients were encoded in > an unexpected order. > --

[FFmpeg-devel] [PATCH 9/9] dnxhdenc: fix scan used for bitstream generation

2015-10-03 Thread Christophe Gisquet
The functions related to bitstream reading must use the natural zigzag order, and not the one permuted for use in the iDCT. This resulted in a bitstream where the AC coefficients were encoded in an unexpected order. --- libavcodec/dnxhdenc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(