![]() ![]() For further reference see page 12 of this documentĬolor range ( 0 = unspecified, 1 = mpeg/studio/tv, 2 = jpeg/full/pc)įor HDR, a profile or 2 or 3 is required. In this example, it should be 9 for bt2020_ncl. PQ 18 sets Transfer Characteristics SMPTE 2086 HLGĬolorspace is the "matrix_coefficients." This should be set consistent with how the content was mastered. Sets BT2020 See page 5 and 6 of this document for more detail.ġ6 sets Transfer Characteristics to SMPTE 2084. In this example, the first pass is output to /dev/null and processed in memory during the second pass. maxrate 26800000 -minrate 8040000 -profile:v 2 -vcodec libvpx-vp9 \īreaking out the key parameters introduced here: ffmpeg color_primaries 9 -color_trc 16 -colorspace 9 -color_range 1 \ Standards with VP9: ffmpeg -i strobe_scientist_18Mbps.webm -b:v 18000000 -pass 1 \ In the examples below we use a statically-built ffmpeg with 10-bit support.įollowing is a usable FFmpeg command line for HDR encoding to ![]() Your FFmpeg will need to have been built with 10-bit (or even 12-bit) support. FFmpeg command-line settings to enable VP9 Profile 2 and HDR EOTFs YouTube HDR Creators Guide, and more info about VP9 Profiles can be More info can be found in the excellent and comprehensive
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |