[ubuntu-ar] grabar webcam desde consola
jean paul sartre
sartrejp at gmail.com
Mon Jan 5 20:09:39 GMT 2009
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...
>
> --
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> Modifica tus opciones o desuscribite en:
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> 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)
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