it:nastroje:ffmpeg
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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it:nastroje:ffmpeg [2019/02/05 10:34] matt [Konverze na h.265] |
it:nastroje:ffmpeg [2024/04/22 16:42] (current) matt [Vystřihnutí části] |
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| Line 4: | Line 4: | ||
| <code>ffprobe -v error -show_format -show_streams input.mp4</code> | <code>ffprobe -v error -show_format -show_streams input.mp4</code> | ||
| <code>ffmpeg -hide_banner -i input.mkv</code> | <code>ffmpeg -hide_banner -i input.mkv</code> | ||
| + | Informace o video kodeku | ||
| + | <code>ffprobe -v error -select_streams v -show_entries stream=codec_name,codec_type,codec_long_name,codec_tag_string -of default=noprint_wrappers=1 file.avi</code> | ||
| ==== Konverze na h.265 ==== | ==== Konverze na h.265 ==== | ||
| Line 40: | Line 42: | ||
| ffmpeg -i input2.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts | ffmpeg -i input2.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts | ||
| ffmpeg -i "concat:intermediate1.ts|intermediate2.ts" -c copy -bsf:a aac_adtstoasc output.mp4</code> | ffmpeg -i "concat:intermediate1.ts|intermediate2.ts" -c copy -bsf:a aac_adtstoasc output.mp4</code> | ||
| + | |||
| + | ==== Vystřihnutí části ==== | ||
| + | <code>ffmpeg -i video.mp4 -ss 00:01:00 -to 00:02:00 -c copy cut.mp4</code> | ||
| + | |||
| + | ==== Přidání titulků ==== | ||
| + | |||
| + | Konverze kódování souboru s titulku z CP1250 do UTF-8 | ||
| + | <code>iconv -f CP1250 -t UTF-8//TRANSLIT input.file -o out.file</code> | ||
| + | |||
| + | Vložení titulků do kontejneru videa MKV | ||
| + | <code> | ||
| + | ffmpeg -i IN.mkv -i IN.srt -map 0:v -map 0:a -map 1 -c:v copy -c:a copy -c:s srt -metadata:s:s:0 language=Czech output.mkv | ||
| + | </code> | ||
| + | |||
| + | Vložení titulků do kontejneru videa MP4 | ||
| + | <code> | ||
| + | ffmpeg -i IN.mkv -i IN.srt -map 0:v -map 0:a -map 1 -c:v copy -c:a copy -c:s mov_text -metadata:s:s:0 language=Czech output.mkv | ||
| + | </code> | ||
| + | |||
| + | ==== Vypálení titulků do obrazu ==== | ||
| + | |||
| + | <code>ffmpeg -i IN.mp4 -vf subtitles=SubIN.srt out.mp4</code> | ||
| + | |||
| + | ==== Rotování obrazu ==== | ||
| + | |||
| + | * 0 = 90° counter-clockwise and vertical flip (default) | ||
| + | * 1 = 90° clockwise | ||
| + | * 2 = 90° counter-clockwise | ||
| + | * 3 = 90° clockwise and vertical flip | ||
| + | |||
| + | |||
| + | <code>ffmpeg -i input.mp4 -vf "transpose=0" output_0.mp4</code> | ||
| + | |||
it/nastroje/ffmpeg.1549362853.txt.gz · Last modified: 2019/08/02 11:18 (external edit)
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