videodigital:conversion:extraer_audio
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videodigital:conversion:extraer_audio [2014/08/22 15:07] – [Rotar Vídeo] javi | videodigital:conversion:extraer_audio [2019/12/05 09:12] – [Rotar Vídeo] jose | ||
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====== Extraer el audio de un video ====== | ====== 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 | # mencoder video.avi -of rawaudio -oac mp3lame -ovc copy -o audio.mp3 | ||
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avconv -i video.mp4 -vf transpose=1 out.mkv | avconv -i video.mp4 -vf transpose=1 out.mkv | ||
| | ||
+ | Vertical: | ||
+ | |||
+ | a=" | ||
+ | |||
+ | Otro: | ||
+ | |||
+ | a=" | ||
| | ||
- | | + | Si ya está rotado, para dejarlo bien: |
+ | https://jgiere.de/how-to-rotate-a-video-with-avconv/ | ||
+ | avconv -i rotated_video.mp4 -c:a copy video.mp4 | ||
+ | |||
+ | |||
+ | ====== Concatenar Vídeo ====== | ||
+ | |||
+ | http://ffmpeg.org/ | ||
+ | |||
+ | < | ||
+ | ffmpeg -i input1.avi -qscale:v 1 intermediate1.mpg | ||
+ | ffmpeg | ||
+ | cat intermediate1.mpg intermediate2.mpg > intermediate_all.mpg | ||
+ | ffmpeg -i intermediate_all.mpg -qscale:v 2 output.avi | ||
+ | </ | ||
+ | ====== Subir Volúmen a un vídeo ====== | ||
+ | ffmpeg -i video_volumen_flojo.mp4 -vcodec copy -af " |
videodigital/conversion/extraer_audio.txt · Last modified: 2019/12/16 12:50 by jose