http://wiki.legido.com/ 2026-04-30T13:25:10+00:00 http://wiki.legido.com/ http://wiki.legido.com/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2019-12-05T09:20:08+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.legido.com/doku.php?id=videodigital:conversion:avconv&rev=1575537608&do=diff Concatenar vídeos Creamos ficheros con los vídeos a juntar: fichero: concat.txt file 'video1.mp4' file 'video2.mp4' file 'video3.mp4' Juntamos los tres vídeos: ffmpeg -f concat -i concat.txt -c copy video_final.mp4 Cambiar fps avconv -i video_25fps.mp4 -vf setpts=1.0*PTS -r 30 video_fps30.mp4 text/html 2019-12-16T12:50:05+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.legido.com/doku.php?id=videodigital:conversion:extraer_audio&rev=1576500605&do=diff Extraer el audio de un video avconv -i video.mp4 -vn -f mp3 audio.mp3 Sistema antiguo mas lento que reproduce todo el vídeo: # mencoder video.avi -of rawaudio -oac mp3lame -ovc copy -o audio.mp3 Lo extrae en wav. Crea audiodump.wav # mplayer video.avi -ao pcm text/html 2026-04-22T11:33:56+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.legido.com/doku.php?id=videodigital:conversion:hd&rev=1776857636&do=diff Convertir MTS a mpg ffmpeg -i 00728.MTS -c:v libx264 -c:a aac output.mp4 Cambiar audio a aac por si acaso: ffmpeg -i 00728.MTS -c:v copy -c:a aac 00728.mp4 <http://forum.videolan.org/viewtopic.php?t=50767> <http://www.reelseo.com/html5-ogg-h264-encoding-tools/> Convertir mpg a flv ffmpeg -i input.avi -sameq -ar 44100 output.flv sameq: misma calidad que origen text/html 2019-10-25T08:32:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.legido.com/doku.php?id=videodigital:conversion:subtitulos&rev=1571992364&do=diff ACTUAL Fuente: <https://www.blackestknight.com/index.php/2016/10/13/use-avconv-to-add-subtitles/> avconv -i origen.ts -f srt -i origen.srt -c:v copy -c:a copy -c:s mov_text destino.mp4 2 pistas de subtítulos: avconv -i input.mp4 -f srt -i input.srt -i input2.srt -map 0:0 -map 0:1 -map 1:0 -map 2:0 -c:v copy -c:a copy -c:s srt -c:s srt output.mkv text/html 2018-08-21T18:17:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.legido.com/doku.php?id=videodigital:conversion:tamano_pequeno&rev=1534875465&do=diff Un video (1920×1080) 156Mb -> (1280×720) 2,3Mb -> (640×360) 931Kb VIDEO: [H264] 1920x1080 24bpp 25.000 fps 165389.5 kbps (20189.1 kbyte/s) VIDEO: [H264] 1280x720 24bpp 25.000 fps 2399.0 kbps (292.8 kbyte/s) VIDEO: [H264] 640x360 24bpp 25.000 fps 964.1 kbps (117.7 kbyte/s)