Даже с driver=v4l2:fps=25 не может получить fps:
$ mplayer tv:// -tv driver=v4l2:fps=25
MPlayer 1.0rc4-4.4.5 (C) 2000-2010 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Playing tv://.
TV file format detected.
Selected driver: v4l2
name: Video 4 Linux 2 input
author: Martin Olschewski
comment: first try, more to come ;-)
v4l2: your device driver does not support VIDIOC_G_STD ioctl, VIDIOC_G_PARM was used instead.
Selected device: USB20 Camera
Capabilites: video capture read/write streaming
supported norms:
inputs: 0 = sn9c20x;
Current input: 0
Current format: unknown (0x30323953)
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: Cannot get fps
v4l2: ioctl set mute failed: Invalid argument
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
[VO_TDFXFB] Can't open /dev/fb0: Permission denied.
[VO_3DFX] Unable to open /dev/3dfx.
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
[vdpau] Error when calling vdp_device_create_x11: 1
==========================================================================
Cannot find codec matching selected -vo and video format 0x30323953.
==========================================================================
v4l2: select timeout
v4l2: ioctl set mute failed: Invalid argument
v4l2: 0 frames successfully processed, 1 frames dropped.
Exiting... (End of file)
C v4l вот такой вывод
$ mplayer tv:// -tv driver=v4l:fps=25
MPlayer 1.0rc4-4.4.5 (C) 2000-2010 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Playing tv://.
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: USB20 Camera
Capabilites: capture
Device type: 1
Supported sizes: 48x32 => 640x480
Inputs: 1
0: sn9c20x: (tuner:0, norm:pal)
ioctl set chan failed: Invalid argument
ioctl set chan failed: Invalid argument
Error: Cannot set norm!
Selected input hasn't got a tuner!
ioctl mcapture failed: Invalid argument
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
open: No such file or directory
[MGA] Couldn't open: /dev/mga_vid
[VO_TDFXFB] Can't open /dev/fb0: Permission denied.
[VO_3DFX] Unable to open /dev/3dfx.
ioctl mcapture failed: Invalid argument
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
[vdpau] Error when calling vdp_device_create_x11: 1
==========================================================================
Opening video decoder: [raw] RAW Uncompressed Video
Movie-Aspect is undefined - no prescaling applied.
VO: [xv] 48x32 => 48x32 Planar YV12
Selected video codec: [rawyv12] vfm: raw (RAW YV12)
==========================================================================
Audio: no sound
Starting playback...
ioctl mcapture failed: Invalid argument
No bind found for key 'L'.
No bind found for key ';'.
V:-9223372036854.8 7/ 7 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 9/ 9 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
ioctl mcapture failed: Invalid argument
No bind found for key 'MOUSE_BTN0'.-MOUSE_BTN0_DBL
V:-9223372036854.8 15/ 15 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
No bind found for key 'MOUSE_BTN0_DBL'.
V:-9223372036854.8 17/ 17 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 23/ 23 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 25/ 25 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 31/ 31 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 33/ 33 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 39/ 39 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 41/ 41 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 47/ 47 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 49/ 49 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 55/ 55 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 57/ 57 ??% ??% ??,?% 0 0
ioctl mcapture failed: Invalid argument
ioctl mcapture failed: Invalid argument
V:-9223372036854.8 59/ 59 ??% ??% ??,?% 0 0
и окошко с разноцветной кашей