2021-07-11 20:34:09 +02:00
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# ffmpeg
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- [List en-/decoders](https://write.corbpie.com/ffmpeg-list-all-codecs-encoders-decoders-and-formats/)
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- [Map option to select video, audio, subtitle streams](https://trac.ffmpeg.org/wiki/Map)
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- [ffmpeg doc](https://ffmpeg.org/ffmpeg.html)
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- [H.265 encoding](https://trac.ffmpeg.org/wiki/Encode/H.265)
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- [change metadata](https://stackoverflow.com/questions/26666879/ffmpeg-video-metadata-change)
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- [H.264 tunes](https://trac.ffmpeg.org/wiki/Encode/H.264#crf)
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- [Hardware acceleration](https://trac.ffmpeg.org/wiki/HWAccelIntro)
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- [VAAPI](https://trac.ffmpeg.org/wiki/Hardware/VAAPI)
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- [Set stream as default](https://stackoverflow.com/questions/26956762/ffmpeg-set-subtitles-track-as-default)
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## Tests
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- Keijo!!!!!!!! - S01E01 handbrake h264
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- size: 607.4MB
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- Keijo!!!!!!!! - S01E01 hevc_vaapi -qp 20
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- size: 957.7MB
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`ffmpeg -vaapi_device /dev/dri/renderD128 -i \[EXP\]\ Keijo!!!!!!!!\ -\ S01E01\ \[BDRip\ 1920x1080\ HEVC\ FLAC\]\ \[76BC6060\].mkv -c:v hevc_vaapi -c:a libopus -b:a 192k -qp 20 -vf 'format=nv12,hwupload' "Keijo!!!!!!!! - S01E01 -qp 20.mkv`
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- Keijo!!!!!!!! - S01E01 hevc_vaapi -crf 20
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- size: 534.3MB
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`ffmpeg -vaapi_device /dev/dri/renderD128 -i \[EXP\]\ Keijo!!!!!!!!\ -\ S01E01\ \[BDRip\ 1920x1080\ HEVC\ FLAC\]\ \[76BC6060\].mkv -c:v hevc_vaapi -c:a libopus -b:a 192k -crf 20 -vf 'format=nv12,hwupload' "Keijo!!!!!!!! - S01E01 -crf 20.mkv"`
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- Keijo!!!!!!!! - S01E01 hevc_vaapi -crf 20 -tune animation
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- size: 534.3MB
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`ffmpeg -vaapi_device /dev/dri/renderD128 -i \[EXP\]\ Keijo!!!!!!!!\ -\ S01E01\ \[BDRip\ 1920x1080\ HEVC\ FLAC\]\ \[76BC6060\].mkv -c:v hevc_vaapi -c:a libopus -b:a 192k -crf 20 -vf 'format=nv12,hwupload' -tune animation "Keijo!!!!!!!! - S01E01 -crf 20.mkv"`
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- Keijo!!!!!!!! - S01E01 h264_vaapi -crf 20 -tune animation
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- size: 1GB
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`ffmpeg -vaapi_device /dev/dri/renderD128 -i \[EXP\]\ Keijo!!!!!!!!\ -\ S01E01\ \[BDRip\ 1920x1080\ HEVC\ FLAC\]\ \[76BC6060\].mkv -c:v h264_vaapi -c:a libopus -b:a 192k -crf 20 -vf 'format=nv12,hwupload' -tune animation "Keijo!!!!!!!! - S01E01 vaapi h264 -crf 20 -tune animation.mkv"`
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- Keijo!!!!!!!! - S01E01 hevc_vaapi -crf 20 -tune animation metadata
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- with metadata on tracks
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- size: 534.3MB
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`ffmpeg -vaapi_device /dev/dri/renderD128 -i \[EXP\]\ Keijo!!!!!!!!\ -\ S01E01\ \[BDRip\ 1920x1080\ HEVC\ FLAC\]\ \[76BC6060\].mkv -c:v hevc_vaapi -c:a libopus -b:a 192k -crf 20 -vf 'format=nv12,hwupload' -tune animation -metadata:s:v:0 title="Video" -metadata:s:a:0 title="Japanese" -metadata:s:a:0 language=jpn -metadata:s:s:0 title="English" -metadata:s:s:0 language=eng "Keijo!!!!!!!! - S01E01 -crf 20.mkv"`
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- Keijo!!!!!!!! - S01E01 libx264 -crf 20 -tune animation metadata
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- with metadata on tracks
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- size: 530.7MB
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`ffmpeg -i \[EXP\]\ Keijo!!!!!!!!\ -\ S01E01\ \[BDRip\ 1920x1080\ HEVC\ FLAC\]\ \[76BC6060\].mkv -c:v libx264 -c:a libopus -b:a 192k -crf 20 -tune animation -metadata:s:v:0 title="Video" -metadata:s:a:0 title="Japanese" -metadata:s:a:0 language=jpn -metadata:s:s:0 title="English" -metadata:s:s:0 language=eng "Keijo!!!!!!!! - S01E01 -crf 20.mkv"`
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- Death Note - 01 - Rebirth libx264 mapped metadata tune
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- Example with mapping streams and setting default stream
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- one video stream
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- two audio streams, japanese and english
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- two subtitle streams, only using the full subtitles
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- size:
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`ffmpeg -i \[Arid\]\ Death\ Note\ -\ 01\ -\ Rebirth\ \[3BECAA78\].mkv -c:v libx264 -c:a libopus -b:a 192k -crf 20 -tune animation -map 0:v:0 -map 0:a:0 -map 0:a:1 -map 0:s:0 -metadata:s:v:0 title="Video" -metadata:s:a:0 title="Japanese" -metadata:s:a:0 language=jpn -disposition:a:0 default -metadata:s:a:1 title="English" -metadata:s:a:1 language=eng -metadata:s:s:0 title="English" -metadata:s:s:0 language=eng -disposition:s:0 default "Death Note - 01 - Rebirth libx264 mapped metadata tune.mkv"`
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2021-07-19 18:18:43 +02:00
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Convert Season in loop
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```
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for i in (seq -w 1 26)
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2021-07-19 18:19:14 +02:00
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2021-07-26 18:47:22 +02:00
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ffmpeg -i \[Judas\]\ Kimetsu\ no\ Yaiba\ -\ S01E{$i}.mkv -c:v libx264 -c:a libopus -b:a 192k -crf 20 -tune animation -c:s copy -map 0:v:0 -map 0:a:0 -map 0:a:1 -map 0:s:0 -metadata:s:v:0 title="Video" -metadata:s:a:0 title="Japanese" -metadata:s:a:0 language=jpn -disposition:a:0 default -metadata:s:a:1 title="English" -metadata:s:a:1 language=eng -metadata:s:s:0 title="English" -metadata:s:s:0 language=eng -disposition:s:0 default "/mnt/storage/MediaLibrary/Handbrake-output/Demon Slayer/Demon Slayer - Kimetsu no Yaiba - S01E$i.mkv"
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2021-07-19 18:18:43 +02:00
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end
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```
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2021-07-27 11:27:26 +02:00
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Death Note bluray
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```
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for i in (seq -w 2 37)
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ffmpeg -i Death\ Note\ -\ S01E{$i}.mkv -c:v libx264 -c:a libopus -b:a 192k -crf 20 -tune animation -c:s copy -map 0:v:0 -map 0:a:0 -map 0:a:1 -map 0:s:0 -metadata title="Death Note - S01E$i" -metadata:s:v:0 title="Video" -metadata:s:a:0 title="English" -metadata:s:a:0 language=eng -metadata:s:a:1 title="Japanese" -metadata:s:a:1 language=jpn -disposition:a:1 default -metadata:s:s:0 title="English" -metadata:s:s:0 language=eng -disposition:s:0 default "Death Note - S01E$i [1080p].mkv"
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end
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```
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2021-08-02 17:16:03 +02:00
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Complex example with different audio channels
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Note that the disposition is deleted first. Otherwise later settings might not apply
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```
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for i in (seq -w 1 25); ffmpeg -i Steins\;Gate\ -\ {$i}.mkv -metadata title="Steins;Gate - $i" -disposition 0 \
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-c:v libx264 -crf 20 -tune animation -map 0:v:0 -metadata:s:v:0 title="Video" \
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-c:a libopus -b:a:0 576k -b:a:1 192k -ac:a:0 6 -ac:a:1 2 -map 0:a:0 -map 0:a:1 -metadata:s:a:0 title="English" -metadata:s:a:0 language=eng -metadata:s:a:1 title="Japanese" -metadata:s:a:1 language=jpn -disposition:a:1 default \
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-c:s copy -map 0:s:3 -metadata:s:s:3 title="English" -metadata:s:s:3 language=eng -disposition:s:3 default \
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"/mnt/storage/MediaLibrary/Handbrake-output/Steins;Gate/Steins;Gate - $i [1080p].mkv"; end
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```
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