On 8/10/15, Andy Furniss <[email protected]> wrote: > Paul B Mahol wrote: >> On 8/10/15, Andy Furniss <[email protected]> wrote: >>> Carl Eugen Hoyos wrote: >>> >>>> Please understand that there is a difference between interlaced >>>> content and interlaced encoding. There is no interlaced encoding with >>>> FFv1 because it appears not to save any bytes in the output file and >>>> if you have interlaced content it will be still be interlaced. >>> >>> But judging by one quick test I just did, you will loose the field order >>> information and the frames are marked as progressive. >>> >>> Tested with mkv and nut with ffprobe -show_frames. >>> >>> Input is y4m ffprobe shows - >>> >>> interlaced_frame=1 >>> top_field_first=1 >>> >>> both are 0 on resulting files. >> >> That is for older version, latest version keep interlaced flags. > > I think I am up to date - direct paste (ffm and ffpr are bash aliases I > use to run from git tree)
I was talking about ffv1 encoded bitstream version. > > ph4[576i25]$ ffm -i parkrun-576i25-420-704.y4m -c:v ffv1 out-ffv1.mkv > ffmpeg version N-74340-ge66a43f Copyright (c) 2000-2015 the FFmpeg > developers > built with gcc 4.9.2 (GCC) > configuration: --prefix=/usr --disable-doc --enable-gpl > --enable-nonfree --enable-opencl --enable-libvpx > --enable-libschroedinger --enable-libx265 --enable-libdcadec > --enable-libfdk-aac --enable-libmp3lame --enable-libx264 --enable-x11grab > libavutil 54. 30.100 / 54. 30.100 > libavcodec 56. 57.100 / 56. 57.100 > libavformat 56. 40.101 / 56. 40.101 > libavdevice 56. 4.100 / 56. 4.100 > libavfilter 5. 32.100 / 5. 32.100 > libswscale 3. 1.101 / 3. 1.101 > libswresample 1. 2.101 / 1. 2.101 > libpostproc 53. 3.100 / 53. 3.100 > Input #0, yuv4mpegpipe, from 'parkrun-576i25-420-704.y4m': > Duration: 00:00:10.08, start: 0.000000, bitrate: 121652 kb/s > Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 704x576, > SAR 16:11 DAR 16:9, 25 fps, 25 tbr, 25 tbn, 25 tbc > File 'out-ffv1.mkv' already exists. Overwrite ? [y/N] y > Output #0, matroska, to 'out-ffv1.mkv': > Metadata: > encoder : Lavf56.40.101 > Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv420p, 704x576 [SAR > 16:11 DAR 16:9], q=2-31, 200 kb/s, 25 fps, 1k tbn, 25 tbc > Metadata: > encoder : Lavc56.57.100 ffv1 > Stream mapping: > Stream #0:0 -> #0:0 (rawvideo (native) -> ffv1 (native)) > Press [q] to stop, [?] for help > frame= 252 fps= 50 q=-0.0 Lsize= 91607kB time=00:00:10.08 > bitrate=74449.2kbits/s > video:91604kB audio:0kB subtitle:0kB other streams:0kB global > headers:0kB muxing overhead: 0.003707% > ph4[576i25]$ ffpr -show_frames out-ffv1.mkv | head -n 30 > ffprobe version N-74340-ge66a43f Copyright (c) 2007-2015 the FFmpeg > developers > built with gcc 4.9.2 (GCC) > configuration: --prefix=/usr --disable-doc --enable-gpl > --enable-nonfree --enable-opencl --enable-libvpx > --enable-libschroedinger --enable-libx265 --enable-libdcadec > --enable-libfdk-aac --enable-libmp3lame --enable-libx264 --enable-x11grab > libavutil 54. 30.100 / 54. 30.100 > libavcodec 56. 57.100 / 56. 57.100 > libavformat 56. 40.101 / 56. 40.101 > libavdevice 56. 4.100 / 56. 4.100 > libavfilter 5. 32.100 / 5. 32.100 > libswscale 3. 1.101 / 3. 1.101 > libswresample 1. 2.101 / 1. 2.101 > libpostproc 53. 3.100 / 53. 3.100 > Input #0, matroska,webm, from 'out-ffv1.mkv': > Metadata: > ENCODER : Lavf56.40.101 > Duration: 00:00:10.08, start: 0.000000, bitrate: 74449 kb/s > Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv420p, 704x576, SAR > 16:11 DAR 16:9, 25 fps, 25 tbr, 1k tbn, 1k tbc (default) > Metadata: > ENCODER : Lavc56.57.100 ffv1 > DURATION : 00:00:10.080000000 > [FRAME] > media_type=video > stream_index=0 > key_frame=1 > pkt_pts=0 > pkt_pts_time=0.000000 > pkt_dts=0 > pkt_dts_time=0.000000 > best_effort_timestamp=0 > best_effort_timestamp_time=0.000000 > pkt_duration=40 > pkt_duration_time=0.040000 > pkt_pos=719 > pkt_size=164299 > width=704 > height=576 > pix_fmt=yuv420p > sample_aspect_ratio=16:11 > pict_type=I > coded_picture_number=0 > display_picture_number=0 > interlaced_frame=0 > top_field_first=0 > repeat_pict=0 > [/FRAME] > [FRAME] > media_type=video > stream_index=0 > key_frame=0 > pkt_pts=40 > ph4[576i25]$ > ph4[576i25]$ > ph4[576i25]$ ffpr -show_frames parkrun-576i25-420-704.y4m | head -n 30 > ffprobe version N-74340-ge66a43f Copyright (c) 2007-2015 the FFmpeg > developers > built with gcc 4.9.2 (GCC) > configuration: --prefix=/usr --disable-doc --enable-gpl > --enable-nonfree --enable-opencl --enable-libvpx > --enable-libschroedinger --enable-libx265 --enable-libdcadec > --enable-libfdk-aac --enable-libmp3lame --enable-libx264 --enable-x11grab > libavutil 54. 30.100 / 54. 30.100 > libavcodec 56. 57.100 / 56. 57.100 > libavformat 56. 40.101 / 56. 40.101 > libavdevice 56. 4.100 / 56. 4.100 > libavfilter 5. 32.100 / 5. 32.100 > libswscale 3. 1.101 / 3. 1.101 > libswresample 1. 2.101 / 1. 2.101 > libpostproc 53. 3.100 / 53. 3.100 > Input #0, yuv4mpegpipe, from 'parkrun-576i25-420-704.y4m': > Duration: 00:00:10.08, start: 0.000000, bitrate: 121652 kb/s > Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 704x576, > SAR 16:11 DAR 16:9, 25 fps, 25 tbr, 25 tbn, 25 tbc > [FRAME] > media_type=video > stream_index=0 > key_frame=1 > pkt_pts=0 > pkt_pts_time=0.000000 > pkt_dts=0 > pkt_dts_time=0.000000 > best_effort_timestamp=0 > best_effort_timestamp_time=0.000000 > pkt_duration=1 > pkt_duration_time=0.040000 > pkt_pos=66 > pkt_size=608256 > width=704 > height=576 > pix_fmt=yuv420p > sample_aspect_ratio=16:11 > pict_type=I > coded_picture_number=0 > display_picture_number=0 > interlaced_frame=1 > top_field_first=1 > repeat_pict=0 > [/FRAME] > [FRAME] > media_type=video > stream_index=0 > key_frame=1 > pkt_pts=1 > > > _______________________________________________ > 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
