Ciao, eccomi a casa finalmente…ma è stato un rientro triste perché lanciando cheese mi vengono restituiti questi errori:
** Message: Probing the webcam, please ignore the following, not applicabable tries
** Message: Error running pipeline ‘v4l2src ! fakesink’: Could not negotiate format [gstbasesrc.c(2293): gst_base_src_start (): /pipeline0/v4l2src0:
Check your filtered caps, if any]
** Message: test pipeline for v4l2src failed:
[v4l2src ! fakesink]: Could not negotiate format
** Message: Error running pipeline ‘v4lsrc ! video/x-raw-rgb,width=640,height=480 ! fakesink’: Impossibile impostare o ottenere le impostazioni dalla risorsa. [v4lsrc_calls.c(264): gst_v4lsrc_grab_frame (): /pipeline1/v4lsrc0:
Device is not in streaming mode]
** Message: test pipeline for v4lsrc failed:
[v4lsrc ! video/x-raw-rgb,width=640,height=480 ! fakesink]: Impossibile impostare o ottenere le impostazioni dalla risorsa.
** Message: Error running pipeline ‘v4lsrc ! video/x-raw-yuv,width=640,height=480 ! fakesink’: Impossibile impostare o ottenere le impostazioni dalla risorsa. [v4lsrc_calls.c(264): gst_v4lsrc_grab_frame (): /pipeline2/v4lsrc1:
Device is not in streaming mode]
** Message: test pipeline for v4lsrc failed:
[v4lsrc ! video/x-raw-yuv,width=640,height=480 ! fakesink]: Impossibile impostare o ottenere le impostazioni dalla risorsa.
** Message: Error running pipeline ‘v4lsrc ! video/x-raw-rgb,width=320,height=240 ! fakesink’: Impossibile impostare o ottenere le impostazioni dalla risorsa. [v4lsrc_calls.c(264): gst_v4lsrc_grab_frame (): /pipeline3/v4lsrc2:
Device is not in streaming mode]
** Message: test pipeline for v4lsrc failed:
[v4lsrc ! video/x-raw-rgb,width=320,height=240 ! fakesink]: Impossibile impostare o ottenere le impostazioni dalla risorsa.
** Message: Error running pipeline ‘v4lsrc ! video/x-raw-rgb,width=1280,height=960 ! fakesink’: Could not negotiate format [gstbasesrc.c(2293): gst_base_src_start (): /pipeline4/v4lsrc3:
Check your filtered caps, if any]
** Message: test pipeline for v4lsrc failed:
[v4lsrc ! video/x-raw-rgb,width=1280,height=960 ! fakesink]: Could not negotiate format
** Message: Error running pipeline ‘v4lsrc ! video/x-raw-rgb,width=174,height=144 ! fakesink’: Impossibile effettuare una sincronizzazione sulla risorsa. [v4lsrc_calls.c(124): gst_v4lsrc_sync_frame (): /pipeline5/v4lsrc4:
system error: Invalid argument]
** Message: test pipeline for v4lsrc failed:
[v4lsrc ! video/x-raw-rgb,width=174,height=144 ! fakesink]: Impossibile effettuare una sincronizzazione sulla risorsa.
** Message: Error running pipeline ‘v4lsrc ! video/x-raw-yuv,width=320,height=240 ! fakesink’: Impossibile impostare o ottenere le impostazioni dalla risorsa. [v4lsrc_calls.c(264): gst_v4lsrc_grab_frame (): /pipeline7/v4lsrc6:
Device is not in streaming mode]
** Message: test pipeline for v4lsrc failed:
[v4lsrc ! video/x-raw-yuv,width=320,height=240 ! fakesink]: Impossibile impostare o ottenere le impostazioni dalla risorsa.
** Message: Error running pipeline ‘v4lsrc ! video/x-raw-rgb,width=320,height=240 ! fakesink’: Impossibile impostare o ottenere le impostazioni dalla risorsa. [v4lsrc_calls.c(264): gst_v4lsrc_grab_frame (): /pipeline8/v4lsrc7:
Device is not in streaming mode]
** Message: test pipeline for v4lsrc failed:
[v4lsrc ! video/x-raw-rgb,width=320,height=240 ! fakesink]: Impossibile impostare o ottenere le impostazioni dalla risorsa.
using photo source: v4lsrc ! video/x-raw-rgb,width=160,height=120 ! ffmpegcolorspace
using video source: v4lsrc ! videoscale
e lanciando vlc questo è l’errore:
[00000330] v4l demuxer error: failed capturing new frame
e lanciando il test con gstreamer-properties:
gstreamer-properties-Message: Error running pipeline ‘Video for Linux 2 (v4l2)’: Could not negotiate format [gstbasesrc.c(2293): gst_base_src_start (): /pipeline1/v4l2src2:
Check your filtered caps, if any]
lanciando questa stringa vedo un’immagine dalla webcam tutta rosa/rossa:
mplayer tv:// -tv driver=v4l2:width=640:height=480:fps=25:device=/dev/video0 -vo x11
MPlayer 1.0rc2-4.1.2 © 2000-2007 MPlayer Team
CPU: Intel® Pentium® 4 CPU 1500MHz (Family: 15, Model: 0, Stepping: 10)
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2
Playing tv://.
TV file format detected.
Selected driver: v4l2
name: Video 4 Linux 2 input
author: Martin Olschewski [email protected]
comment: first try, more to come 
Selected device: USB camera
Capabilites: video capture read/write streaming
supported norms:
inputs: 0 = sonixj;
Current input: 0
Current format: unknown (0x4745504a)
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!
v4l2: ioctl set mute failed: Invalid argument
v4l2: ioctl query control failed: Invalid argument
Xlib: extension “XFree86-VidModeExtension” missing on display “:90.0”.
Opening video decoder: [ffmpeg] FFmpeg’s libavcodec codec family
Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG decoder)
Audio: no sound
Starting playback…
VDec: vo config request - 640 x 480 (preferred colorspace: Planar 422P)
Could not find matching colorspace - retrying with -vf scale…
Opening video filter: [scale]
VDec: using Planar 422P as output csp (no 1)
Movie-Aspect is undefined - no prescaling applied.
[swscaler @ 0x87fea90]SwScaler: using unscaled yuv422p -> bgr565 special converter
VO: [x11] 640x480 => 640x480 BGR 16-bit
Shared memory not supported
Reverting to normal Xlib
New_Face failed. Maybe the font path is wrong.
Please supply the text font file (~/.mplayer/subfont.ttf).
subtitle font: load_sub_face failed.
e ovviamente la webcam non funziona !!!
Mi puoi aiutare ?
Grazie
