Hi, Can you check if adding
-vf format=nv12 makes any difference? 2016-10-14 15:47 GMT+03:00 tyt xtreme <alse...@gmail.com>: > Hi, > > I already post my mail to ffmpeg-users group regarding this issue but no > one could help me out and advised to ask more experienced users. So i hope > you can tell me something and sorry posting here. > > Here is my re-encoding command's output (Windows 8.1 with Bash): > *$ ffmpeg -i perspective.mp4 -c:v h264_nvenc -profile:v high -preset:v fast > perspective_out.mp4* > > ffmpeg version N-81960-g1bda0ee Copyright (c) 2000-2016 the FFmpeg > developers > built with gcc 5.4.0 (GCC) > configuration: --enable-gpl --enable-version3 --disable-w32threads > --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth > --enable-bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r > --enable-gnutls --enable-iconv --enable-libass --enable-libbluray > --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme > --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame > --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 > --enable-libopenjpeg --enable-libopus --enable-librtmp > --enable-libschroedinger --enable-libsnappy --enable-libsoxr > --enable-libspeex --enable-libtheora --enable-libtwolame > --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis > --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 > --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg > --enable-lzma --enable-decklink --enable-zlib > libavutil 55. 32.100 / 55. 32.100 > libavcodec 57. 61.100 / 57. 61.100 > libavformat 57. 51.103 / 57. 51.103 > libavdevice 57. 0.102 / 57. 0.102 > libavfilter 6. 63.100 / 6. 63.100 > libswscale 4. 1.100 / 4. 1.100 > libswresample 2. 2.100 / 2. 2.100 > libpostproc 54. 0.100 / 54. 0.100 > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'perspective.mp4': > Metadata: > major_brand : isom > minor_version : 512 > compatible_brands: isomiso2avc1mp41 > encoder : Lavf57.50.100 > Duration: 00:07:27.87, start: 2.132000, bitrate: 10235 kb/s > Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / > 0x31637661), yuv420p(tv, bt709), 3840x2160 [SAR 1:1 DAR 16:9], 10233 kb/s, > 24.94 fps, 29.97 tbr, 1000k tbn, 2000k tbc (default) > Metadata: > handler_name : VideoHandler > File 'perspective_out.mp4' already exists. Overwrite ? [y/N] y > Output #0, mp4, to 'perspective_out.mp4': > Metadata: > major_brand : isom > minor_version : 512 > compatible_brands: isomiso2avc1mp41 > encoder : Lavf57.51.103 > Stream #0:0(eng): Video: h264 (h264_nvenc) (High) ([33][0][0][0] / > 0x0021), yuv420p, 3840x2160 [SAR 1:1 DAR 16:9], q=-1--1, 2000 kb/s, 29.97 > fps, 30k tbn, 29.97 tbc (default) > Metadata: > handler_name : VideoHandler > encoder : Lavc57.61.100 h264_nvenc > Side data: > cpb: bitrate max/min/avg: 0/0/2000000 buffer size: 4000000 vbv_delay: > -1 > Stream mapping: > Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_nvenc)) > Press [q] to stop, [?] for help > Past duration 0.731316 too large 8815kB time=00:00:27.22 > bitrate=2652.4kbits/s dup=206 drop=0 speed=3.95x > > > The output is far away from optimal. It's kind of green,red colored & > ghosty. Attached - resized - image samples about the original and output > frames. Any idea why encoder doing this? I'm using GeForce GTX 980 Ti 6Gb > GPU. > > Thanks! > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-de...@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".