[ubuntu-ar] grabar webcam desde consola
jean paul sartre
sartrejp at gmail.com
Mon Jan 5 20:33:45 GMT 2009
2009/1/5 Lucas Livchits <livchitsl en gmail.com>:
> 2009/1/5 jean paul sartre <sartrejp en gmail.com>:
>> El día 5 de enero de 2009 14:13, Juan Wuethrich
>> <nouserfound en gmail.com> escribió:
>>> No se que tipo de experiencia tendrás, pero si queres un GUI para setear el
>>> horario a ejecutarse la tarea de la web cam y usas Ubuntu, podes probar
>>> tambien gnome-schedule ... de todas formas, la tarea se ejecutaria en una
>>> consola, pero podes setearla desde un ambiente mas amigable...
>>>
>>> --
>>> Ubuntu-ar lista de correo
>>> Ubuntu-ar en lists.ubuntu.com
>>> Modifica tus opciones o desuscribite en:
>>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-ar
>>> Siempre leer, comprender y aplicar nuestra etiqueta:
>>> https://wiki.ubuntu.com/ArgentinaTeam/EtiquetaML
>>>
>>>
>>>
>>
>> Yo de nuevo. Les escribo por lo siguiente, cuando intento grabar sin
>> audio me graba una pantalla absolutamente verde y da el siguiente
>> error:
>>
>> guille en guille:~$ mencoder tv:// -tv
>> driver=v4l:width=320:height=240:device=/dev/video0 -ovc lavc -o
>> webcam.avi
>> MEncoder 2:1.0~rc2-0ubuntu17 (C) 2000-2007 MPlayer Team
>> CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ (Family: 15,
>> Model: 107, Stepping: 2)
>> CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
>> Compiled with runtime CPU detection.
>> success: format: 9 data: 0x0 - 0x0
>> TV file format detected.
>> Selected driver: v4l
>> name: Video 4 Linux input
>> author: Alex Beregszaszi
>> comment: under development
>> =================================================================
>> WARNING: YOU ARE USING V4L DEMUXER WITH V4L2 DRIVERS!!!
>> As the V4L1 compatibility layer is broken, this may not work.
>> If you encounter any problems, use driver=v4l2 instead.
>> Bugreports on driver=v4l with v4l2 drivers will be ignored.
>> =================================================================
>> Selected device: USB camera
>> Capabilites: capture
>> Device type: 1
>> Supported sizes: 48x32 => 352x288
>> Inputs: 1
>> 0: sonixb: (tuner:0, norm:pal)
>> Using input 'sonixb'
>> Selected input hasn't got a tuner!
>> [V] filefmt:9 fourcc:0x32315659 size:320x240 fps:25.00 ftime:=0.0400
>> Opening video filter: [expand osd=1]
>> Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
>> ==========================================================================
>> Opening video decoder: [raw] RAW Uncompressed Video
>> VDec: vo config request - 320 x 240 (preferred colorspace: Planar YV12)
>> VDec: using Planar YV12 as output csp (no 0)
>> Movie-Aspect is undefined - no prescaling applied.
>> videocodec: libavcodec (320x240 fourcc=34504d46 [FMP4])
>> Selected video codec: [rawyv12] vfm: raw (RAW YV12)
>> ==========================================================================
>> Forcing audio preload to 0, max pts correction to 0.
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Writing header...
>> ODML: Aspect information not (yet?) available or unspecified, not
>> writing vprp header.
>> Writing header...
>> ODML: Aspect information not (yet?) available or unspecified, not
>> writing vprp header.
>> Pos: 0.1s 3f ( 0%) 2.25fps Trem: 0min 0mb A-V:0.000 [0:0]
>> 77 duplicate frame(s)!
>> Pos: 3.3s 6f ( 0%) 1.69fps Trem: 0min 0mb A-V:0.000 [1465:0]
>> Skipping frame!
>> Pos: 3.3s 7f ( 0%) 1.98fps Trem: 0min 0mb A-V:0.000 [1465:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 3.5s 11f ( 0%) 2.40fps Trem: 0min 0mb A-V:0.000 [2050:0]
>> 77 duplicate frame(s)!
>> Pos: 6.6s 13f ( 0%) 1.90fps Trem: 0min 0mb A-V:0.000 [1236:0]
>> Skipping frame!
>> Pos: 6.6s 14f ( 0%) 2.04fps Trem: 0min 0mb A-V:0.000 [1236:0]
>> Skipping frame!
>> Pos: 6.6s 15f ( 0%) 2.19fps Trem: 0min 0mb A-V:0.000 [1236:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 6.7s 17f ( 0%) 2.15fps Trem: 0min 0mb A-V:0.000 [1380:0]
>> 1 duplicate frame(s)!
>> Pos: 6.8s 19f ( 0%) 2.39fps Trem: 0min 0mb A-V:0.000 [1472:0]
>> 75 duplicate frame(s)!
>> Pos: 9.9s 21f ( 0%) 2.07fps Trem: 0min 0mb A-V:0.000 [1111:0]
>> Skipping frame!
>> Pos: 9.9s 22f ( 0%) 2.17fps Trem: 0min 0mb A-V:0.000 [1111:0]
>> Skipping frame!
>> Pos: 9.9s 23f ( 0%) 2.27fps Trem: 0min 0mb A-V:0.000 [1111:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 10.0s 24f ( 0%) 2.14fps Trem: 0min 0mb A-V:0.000 [1156:0]
>> 1 duplicate frame(s)!
>> Pos: 10.0s 25f ( 0%) 2.22fps Trem: 0min 0mb A-V:0.000 [1194:0]
>> 1 duplicate frame(s)!
>> Pos: 10.1s 26f ( 0%) 2.31fps Trem: 0min 0mb A-V:0.000 [1221:0]
>> 1 duplicate frame(s)!
>> Pos: 10.2s 27f ( 0%) 2.40fps Trem: 0min 0mb A-V:0.000 [1246:0]
>> 74 duplicate frame(s)!
>> Pos: 13.2s 29f ( 0%) 2.15fps Trem: 0min 0mb A-V:0.000 [1026:0]
>> Skipping frame!
>> Pos: 13.2s 30f ( 0%) 2.23fps Trem: 0min 0mb A-V:0.000 [1026:0]
>> Skipping frame!
>> ^Cs: 13.2s 31f ( 0%) 2.30fps Trem: 0min 0mb A-V:0.000 [1026:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 13.3s 32f ( 0%) 2.19fps Trem: 0min 0mb A-V:0.000 [1057:0]
>> Flushing video frames.
>> Writing index...
>> Writing header...
>> ODML: Aspect information not (yet?) available or unspecified, not
>> writing vprp header.
>>
>> Video stream: 1057.136 kbit/s (132141 B/s) size: 1754845 bytes
>> 13.280 secs 32 frames
>> MJP: returning!
>>
>>
>> Intenté con v4l2 y no arranca directamente y me da lo siguiente:
>> MEncoder 2:1.0~rc2-0ubuntu17 (C) 2000-2007 MPlayer Team
>> CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ (Family: 15,
>> Model: 107, Stepping: 2)
>> CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
>> Compiled with runtime CPU detection.
>> success: format: 9 data: 0x0 - 0x0
>> TV file format detected.
>> Selected driver: v4l2
>> name: Video 4 Linux 2 input
>> author: Martin Olschewski <olschewski en zpr.uni-koeln.de>
>> comment: first try, more to come ;-)
>> Selected device: USB camera
>> Capabilites: video capture read/write streaming
>> supported norms:
>> inputs: 0 = sonixb;
>> Current input: 0
>> Current format: unknown (0x30313953)
>> tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
>> v4l2: ioctl enum norm failed: Invalid argument
>> Error: Cannot set norm!
>> Selected input hasn't got a tuner!
>> Audio block size too low, setting to 16384!
>> Exepción de coma flotante
>>
>> Ahora en el ejemplo con audio (siempre siguiendo lo que dice el mail
>> de Lucas L.) vuelve la "pantalla verde"
>> MEncoder 2:1.0~rc2-0ubuntu17 (C) 2000-2007 MPlayer Team
>> CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ (Family: 15,
>> Model: 107, Stepping: 2)
>> CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
>> Compiled with runtime CPU detection.
>> success: format: 9 data: 0x0 - 0x0
>> TV file format detected.
>> Selected driver: v4l
>> name: Video 4 Linux input
>> author: Alex Beregszaszi
>> comment: under development
>> =================================================================
>> WARNING: YOU ARE USING V4L DEMUXER WITH V4L2 DRIVERS!!!
>> As the V4L1 compatibility layer is broken, this may not work.
>> If you encounter any problems, use driver=v4l2 instead.
>> Bugreports on driver=v4l with v4l2 drivers will be ignored.
>> =================================================================
>> Selected device: USB camera
>> Capabilites: capture
>> Device type: 1
>> Supported sizes: 48x32 => 352x288
>> Inputs: 1
>> 0: sonixb: (tuner:0, norm:pal)
>> Using input 'sonixb'
>> Selected input hasn't got a tuner!
>> [V] filefmt:9 fourcc:0x32315659 size:320x240 fps:25.00 ftime:=0.0400
>> Opening video filter: [expand osd=1]
>> Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
>> ==========================================================================
>> Opening video decoder: [raw] RAW Uncompressed Video
>> VDec: vo config request - 320 x 240 (preferred colorspace: Planar YV12)
>> VDec: using Planar YV12 as output csp (no 0)
>> Movie-Aspect is undefined - no prescaling applied.
>> videocodec: libavcodec (320x240 fourcc=34504d46 [FMP4])
>> Selected video codec: [rawyv12] vfm: raw (RAW YV12)
>> ==========================================================================
>> Forcing audio preload to 0, max pts correction to 0.
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Writing header...
>> ODML: Aspect information not (yet?) available or unspecified, not
>> writing vprp header.
>> Writing header...
>> ODML: Aspect information not (yet?) available or unspecified, not
>> writing vprp header.
>> Pos: 0.1s 3f ( 0%) 0.00fps Trem: 0min 0mb A-V:0.000 [0:0]
>> 67 duplicate frame(s)!
>> Pos: 2.9s 5f ( 0%) 1.61fps Trem: 0min 0mb A-V:0.000 [1537:0]
>> Skipping frame!
>> Pos: 2.9s 6f ( 0%) 1.93fps Trem: 0min 0mb A-V:0.000 [1537:0]
>> Skipping frame!
>> Pos: 2.9s 7f ( 0%) 2.25fps Trem: 0min 0mb A-V:0.000 [1537:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 3.0s 11f ( 0%) 2.61fps Trem: 0min 0mb A-V:0.000 [2322:0]
>> 77 duplicate frame(s)!
>> Pos: 6.2s 13f ( 0%) 2.02fps Trem: 0min 0mb A-V:0.000 [1299:0]
>> Skipping frame!
>> Pos: 6.2s 14f ( 0%) 2.18fps Trem: 0min 0mb A-V:0.000 [1299:0]
>> Skipping frame!
>> Pos: 6.2s 15f ( 0%) 2.33fps Trem: 0min 0mb A-V:0.000 [1299:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 6.3s 17f ( 0%) 2.25fps Trem: 0min 0mb A-V:0.000 [1441:0]
>> 1 duplicate frame(s)!
>> Pos: 6.4s 19f ( 0%) 2.51fps Trem: 0min 0mb A-V:0.000 [1576:0]
>> 76 duplicate frame(s)!
>> Pos: 9.5s 21f ( 0%) 2.15fps Trem: 0min 0mb A-V:0.000 [1164:0]
>> Skipping frame!
>> Pos: 9.5s 22f ( 0%) 2.26fps Trem: 0min 0mb A-V:0.000 [1164:0]
>> Skipping frame!
>> Pos: 9.5s 23f ( 0%) 2.36fps Trem: 0min 0mb A-V:0.000 [1164:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 9.6s 24f ( 0%) 2.21fps Trem: 0min 0mb A-V:0.000 [1214:0]
>> 1 duplicate frame(s)!
>> Pos: 9.6s 25f ( 0%) 2.30fps Trem: 0min 0mb A-V:0.000 [1248:0]
>> 1 duplicate frame(s)!
>> Pos: 9.8s 27f ( 0%) 2.49fps Trem: 0min 0mb A-V:0.000 [1328:0]
>> 75 duplicate frame(s)!
>> Pos: 12.8s 29f ( 0%) 2.22fps Trem: 0min 0mb A-V:0.000 [1079:0]
>> Skipping frame!
>> Pos: 12.8s 30f ( 0%) 2.29fps Trem: 0min 0mb A-V:0.000 [1079:0]
>> Skipping frame!
>> Pos: 12.8s 31f ( 0%) 2.37fps Trem: 0min 0mb A-V:0.000 [1079:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 12.9s 32f ( 0%) 2.26fps Trem: 0min 0mb A-V:0.000 [1112:0]
>> 1 duplicate frame(s)!
>> Pos: 13.0s 33f ( 0%) 2.33fps Trem: 0min 0mb A-V:0.000 [1138:0]
>> 2 duplicate frame(s)!
>> Pos: 13.1s 34f ( 0%) 2.40fps Trem: 0min 0mb A-V:0.000 [1163:0]
>> 1 duplicate frame(s)!
>> Pos: 13.2s 35f ( 0%) 2.47fps Trem: 0min 0mb A-V:0.000 [1191:0]
>> 73 duplicate frame(s)!
>> Pos: 16.2s 37f ( 0%) 2.26fps Trem: 0min 0mb A-V:0.000 [1025:0]
>> Skipping frame!
>> Pos: 16.2s 38f ( 0%) 2.32fps Trem: 0min 0mb A-V:0.000 [1025:0]
>> Skipping frame!
>> Pos: 16.2s 39f ( 0%) 2.38fps Trem: 0min 0mb A-V:0.000 [1025:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 16.2s 40f ( 0%) 2.28fps Trem: 0min 0mb A-V:0.000 [1051:0]
>> 2 duplicate frame(s)!
>> Pos: 16.3s 41f ( 0%) 2.33fps Trem: 0min 0mb A-V:0.000 [1070:0]
>> 1 duplicate frame(s)!
>> Pos: 16.4s 42f ( 0%) 2.39fps Trem: 0min 0mb A-V:0.000 [1093:0]
>> 2 duplicate frame(s)!
>> Pos: 16.5s 43f ( 0%) 2.45fps Trem: 0min 0mb A-V:0.000 [1113:0]
>> 79 duplicate frame(s)!
>> Pos: 19.8s 45f ( 0%) 2.25fps Trem: 0min 0mb A-V:0.000 [976:0]
>> Skipping frame!
>> Pos: 19.8s 46f ( 0%) 2.30fps Trem: 0min 0mb A-V:0.000 [976:0]
>> Skipping frame!
>> ^Cs: 19.8s 47f ( 0%) 2.35fps Trem: 0min 0mb A-V:0.000 [976:0]
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>>
>> ioctl mcapture failed: Invalid argument
>> Pos: 19.8s 48f ( 0%) 2.27fps Trem: 0min 0mb A-V:0.000 [997:0]
>> Flushing video frames.
>> Writing index...
>> Writing header...
>> ODML: Aspect information not (yet?) available or unspecified, not
>> writing vprp header.
>>
>> Video stream: 997.887 kbit/s (124735 B/s) size: 2469770 bytes
>> 19.800 secs 48 frames
>> MJP: returning!
>>
>>
>> Y con audio y v4l2:
>> MEncoder 2:1.0~rc2-0ubuntu17 (C) 2000-2007 MPlayer Team
>> CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ (Family: 15,
>> Model: 107, Stepping: 2)
>> CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
>> Compiled with runtime CPU detection.
>> success: format: 9 data: 0x0 - 0x0
>> TV file format detected.
>> Selected driver: v4l2
>> name: Video 4 Linux 2 input
>> author: Martin Olschewski <olschewski en zpr.uni-koeln.de>
>> comment: first try, more to come ;-)
>> Selected device: USB camera
>> Capabilites: video capture read/write streaming
>> supported norms:
>> inputs: 0 = sonixb;
>> Current input: 0
>> Current format: unknown (0x30313953)
>> tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
>> v4l2: ioctl enum norm failed: Invalid argument
>> Error: Cannot set norm!
>> Selected input hasn't got a tuner!
>> Audio block size too low, setting to 16384!
>> Exepción de coma flotante
>>
>>
>>
>> Cuando digo "pantalla verde" se ve una imagen como cuando en la
>> televisión no hay señal, pero verde, con sensación de que se mueve 1
>> de cada 5 segundos. ¿Alguno entiende que pasa? (perdón por lo extenso
>> del correo)
>>
>> --
>> Ubuntu-ar lista de correo
>> Ubuntu-ar en lists.ubuntu.com
>> Modifica tus opciones o desuscribite en: https://lists.ubuntu.com/mailman/listinfo/ubuntu-ar
>> Siempre leer, comprender y aplicar nuestra etiqueta: https://wiki.ubuntu.com/ArgentinaTeam/EtiquetaML
>>
>>
>
> Si no entendí mal, cambia el comando por esto:
> mencoder tv:// -tv
> driver=v4l2:width=320:height=240:device=/dev/video0 -ovc lavc -o
> webcam.avi
>
> Es sólo agregar un 2 detras de v4l.
>
> La pista:
> WARNING: YOU ARE USING V4L DEMUXER WITH V4L2 DRIVERS!!!
> As the V4L1 compatibility layer is broken, this may not work.
> If you encounter any problems, use driver=v4l2 instead.
> Bugreports on driver=v4l with v4l2 drivers will be ignored.
>
> --
> Ubuntu-ar lista de correo
> Ubuntu-ar en lists.ubuntu.com
> Modifica tus opciones o desuscribite en: https://lists.ubuntu.com/mailman/listinfo/ubuntu-ar
> Siempre leer, comprender y aplicar nuestra etiqueta: https://wiki.ubuntu.com/ArgentinaTeam/EtiquetaML
>
>
En el mail anterior puse el error que me daba con v4l y con v4l2 (y
también ambas opciones al intentar poner audio). Gracias por el tiempo
y paciencia
>> Intenté con v4l2 y no arranca directamente y me da lo siguiente:
>> MEncoder 2:1.0~rc2-0ubuntu17 (C) 2000-2007 MPlayer Team
>> CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ (Family: 15,
>> Model: 107, Stepping: 2)
>> CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
>> Compiled with runtime CPU detection.
>> success: format: 9 data: 0x0 - 0x0
>> TV file format detected.
>> Selected driver: v4l2
>> name: Video 4 Linux 2 input
>> author: Martin Olschewski <olschewski en zpr.uni-koeln.de>
>> comment: first try, more to come ;-)
>> Selected device: USB camera
>> Capabilites: video capture read/write streaming
>> supported norms:
>> inputs: 0 = sonixb;
>> Current input: 0
>> Current format: unknown (0x30313953)
>> tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
>> v4l2: ioctl enum norm failed: Invalid argument
>> Error: Cannot set norm!
>> Selected input hasn't got a tuner!
>> Audio block size too low, setting to 16384!
>> Exepción de coma flotante
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