[MPlayer-users] Trying to view TV from an s-video input

Mark Zimmerman mark at foresthaven.com
Thu May 5 04:01:22 CEST 2005


I have connected the s-video output of my Dish receiver to the s-video
input of my pcHDTV HD-3000 card and I am trying to view the results on
my PC. I can get a picture but I cannot seem to find the right color
space. The best I can get is a psychedelic looking red and green
picture - but it is the right size and shape. It is like looking at a
color film negative. I have tried all of the outfmt= options but none
are any good. From what I have been able to find out, s-video uses a
YC color space.

Some of the things in the console output indicate that support for
this may not all be there, but I would appreciate any ideas.

Here is a sample execution:

qpc$ mplayer -tv
driver=v4l2:device=/dev/video1:input=2:noaudio:outfmt=rgb24 -vo xv
MPlayer 1.0pre7-3.3.5 (C) 2000-2005 MPlayer Team
CPU: Intel Pentium 4/Xeon/Celeron Foster (Family: 8, Stepping: 9)
Detected cache-line size is 64 bytes
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 detected! ;-)
Selected driver: v4l2
 name: Video 4 Linux 2 input
 author: Martin Olschewski <olschewski at zpr.uni-koeln.de>
 comment: first try, more to come ;-)
Selected device: pcHDTV HD3000 HDTV
 Tuner cap: STEREO LANG2
 Tuner rxs: STEREO
 Capabilites:  video capture  VBI capture device  tuner  read/write
 supported norms: 0 = NTSC-M; 1 = NTSC-JP; 2 = PAL-BG; 3 = PAL-DK; 4 =
PAL-I; 5 = PAL-M; 6 = PAL-N; 7 = PAL-Nc; 8 = PAL-60; 9 = SECAM-L; 10 =
 inputs: 0 = Television; 1 = Composite1; 2 = S-Video;
 Current input: 2
 Current format: BGR24
v4l2: current audio mode is : MONO
v4l2: ioctl set format failed: Invalid argument
vo: X11 running at 1280x960 with depth 24 and 32 bpp (":0.0" => local
Opening video decoder: [raw] RAW Uncompressed Video
VDec: vo config request - 640 x 480 (preferred csp: BGR 24-bit)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
VDec: using BGR 24-bit as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
SwScaler: using unscaled BGR 24-bit -> Planar YV12 special converter
VO: [xv] 640x480 => 640x480 Planar YV12
Selected video codec: [rawbgr24] vfm:raw (RAW BGR24)
Audio: no sound
Starting playback...
V:   0.0 756/756 ??% ??% ??,?% 0 0
v4l2: 1095 frames successfully processed, 57 frames dropped.

Exiting... (Quit)

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