On Mon, Mar 27, 2017 at 3:14 PM, Paul B Mahol <one...@gmail.com> wrote:
> On 3/27/17, Paul B Mahol <one...@gmail.com> wrote: > > On 3/27/17, Mark Reid <mindm...@gmail.com> wrote: > >> On Mon, Mar 27, 2017 at 11:08 AM, Paul B Mahol <one...@gmail.com> > wrote: > >> > >>> Signed-off-by: Paul B Mahol <one...@gmail.com> > >>> --- > >>> libavcodec/dnxhdenc.c | 227 ++++++++++++++++++++++++++++++ > >>> +++++--------------- > >>> libavcodec/dnxhdenc.h | 6 +- > >>> 2 files changed, 163 insertions(+), 70 deletions(-) > >>> > > > > [...] > > > >>> + case AV_PIX_FMT_YUV444P10: > >>> + case AV_PIX_FMT_GBRP10: > >>> + ctx->bit_depth = 10; > >>> > >> > >> Am I missing something, I thought the dnxhr HQX and 444 profiles were > >> 12bit? > >> http://avid.force.com/pkb/articles/en_US/White_Paper/ > DNxHR-Codec-Bandwidth-Specifications > >> > > > > They are both 10 and 12 bit. > > > >> I get a failed Assertion here, > >> > >> Assertion nbits < ctx->bit_depth + 4 failed at libavcodec/dnxhdenc.c:837 > >> when I try the following command > >> ./ffmpeg_g -y -f rawvideo -video_size 2048x1556 -pixel_format yuv444p10 > >> -i > >> /dev/urandom \ > >> -loglevel debug \ > >> -vframes 5 \ > >> -profile:v "dnxhr_444" \ > >> -vcodec dnxhd \ > >> -pix_fmt yuv444p10 \ > >> test.mov > >> > > > > What could be cause of that? If I try to avoid that I get ratecontrol > > error. > > Actually that command is invalid as it passes > (2^10 - 1) values to > video frame. > Use geq="lum=random(x)*1023:cb=random(y):cr=random(z)*1023" instead. > okay, well I tried instead ./ffmpeg_g -y -f lavfi -i nullsrc=s=2048x1556,geq="lum=random(1)*1023:cb=random(1):cr=random(1)*1023" \ -vframes 5 \ -profile:v "dnxhr_444" \ -vcodec dnxhd \ -pix_fmt yuv444p10 \ test.mov and now I get a different failed assertion: Assertion block_w * sizeof(uint16_t) <= ((buf_linesize) >= 0 ? (buf_linesize) : (-(buf_linesize))) failed at libavcodec/videodsp_template.c:35 same thing happens if I use a testsrc ./ffmpeg_g -y -f lavfi -i "testsrc=size=2048x1556" \ -vframes 5 \ -profile:v "dnxhr_444" \ -vcodec dnxhd \ -pix_fmt yuv444p10 \ test.mov also get the same assertion for the hqx profile _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
