Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- hdr_high_dynamic_range_dolby_vision [2023-03-16 11:09:31] – [HDR (High Dynamic Range / Dolby Vision)] manfred
+++ hdr_high_dynamic_range_dolby_vision [2023-03-16 23:06:01] (aktuell) – [HDR in SDR umwandeln] manfred
@@ Zeile 6: / Zeile 6: @@
 ===== HDR in SDR umwandeln =====
+  * [[https://ericswpark.com/blog/2022/2022-12-14-ffmpeg-convert-hdr-to-sdr/]]
+  * [[https://stackoverflow.com/questions/52132839/ffmpeg-convert-hdr-to-sdr]]
   * [[https://codecalamity.com/encoding-settings-for-hdr-4k-videos-using-10-bit-x265/]]
+  * [[https://stackoverflow.com/questions/61460247/10bit-hdr-to-10bit-sdr-conversion-with-ffmpeg]]
+-Bit-Filme (HDR) in 8-Bit-Filme (mit x265) umwandeln:
+  > ffmpeg -i hdr-film.mkv -c:v libx265 -preset ultrafast -x265-params lossless=1 -vf zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=hable:desat=0,zscale=t=bt709:m=bt709:r=tv,format=yuv420p -an -sn -dn -reset_timestamps 1 -y film_non_hdr.mkv
+  > ffmpeg -i input.mkv -vf zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=hable:desat=0,zscale=t=bt709:m=bt709:r=tv,format=yuv420p -c:v libx265 -crf 10 -preset fast output.mkv
--Bit-Filme (HDR) in 8-Bit-Filme umwandeln:
-  > ffmpeg -y -ss 07:48 -t 60 -i my_movie.mkv-vf zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=hable:desat=0,zscale=t=bt709:m=bt709:r=tv,format=yuv420p -c:v libx265 -preset ultrafast -x265-params lossless=1 -an -sn -dn -reset_timestamps 1 movie_non_hdr.mkv
@@ Zeile 16: / Zeile 22: @@
   * [[https://developers.google.com/media/vp9/hdr-encoding?hl=de|Google: VP9 HDR-Codierung]]
   * [[https://thuannguyen.net/google-vp9-hdr-encoding-with-ffmpeg.html|[Google VP9] HDR Encoding with ffmpeg]]
+  ### HDR-Parameter: -pix_fmt yuv420p10le -color_primaries 9 -color_trc 16 -colorspace 9 -color_range 1
+  > ffmpeg -probesize 9223372036854M -analyzeduration 9223372036854M -fflags +genpts -i HDR-Film.mkv -pix_fmt yuv420p10le -color_primaries 9 -color_trc 16 -colorspace 9 -color_range 1 -map 0:v -c:v libvpx-vp9 -crf 32 -b:v 0 -vf pad='max(iw\,ih*(16/9)):ow/(16/9):(ow-iw)/2:(oh-ih)/2:black',scale=1920x1080,setdar='16/9' -keyint_min 2-8 -c:a libvorbis -q:a 6 -map 0:a:0 -sn -dn -disposition:a:0 default -metadata title="test 02" -metadata description='Es wird erwartet, dass die Farben hinterher immer noch passen.' -f webm -y test_06.webm