Bonjour,
j’ai pris l’habitude depuis des années (avec Ubuntu) de faire des vidéos à partir de multiples images en utilisant la commande ci-dessous:
Mais je viens de passer sous Wheezy et ça ne marche plus:
[code]MEncoder 1.1-4.7 © 2000-2012 MPlayer Team
success: format: 16 data: 0x0 - 0x0
MF file format detected.
[mf] search expr: *png
[mf] number of files: 184 (1472)
[demux_mf] file type was not set! trying ‘type=png’…
VIDEO: [MPNG] 0x0 24bpp 25.000 fps 0.0 kbps ( 0.0 kbyte/s)
[V] filefmt:16 fourcc:0x474E504D size:0x0 fps:25.000 ftime:=0.0400
libavcodec version 54.23.100 (internal)
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
Opening video decoder: [ffmpeg] FFmpeg’s libavcodec codec family
Selected video codec: [ffpng] vfm: ffmpeg (FFmpeg PNG)
Could not find matching colorspace - retrying with -vf scale…
Opening video filter: [scale]
Movie-Aspect is undefined - no prescaling applied.
[swscaler @ 0xf3c0a0]BICUBIC scaler, from rgb24 to yuv420p using MMX2
videocodec: libavcodec (640x480 fourcc=47504a4d [MJPG])
[mjpeg @ 0xe724a0]Specified pix_fmt is not supported
Could not open codec.
FATAL: Cannot initialize video driver.
Movie-Aspect is undefined - no prescaling applied.
videocodec: libavcodec (640x480 fourcc=47504a4d [MJPG])
[mjpeg @ 0xe724a0]Specified pix_fmt is not supported
Could not open codec.
FATAL: Cannot initialize video driver.
Exiting…[/code]
Si j’utilise vcodec=msmpeg4, ça marche, mais je voudrais du mjpeg.
Savez pourquoi? savez comment améliorer ça?