[Gllug] HDTV and Linux

Kostas Georgiou k.georgiou at imperial.ac.uk
Sat Feb 17 17:58:41 UTC 2007


On Sat, Feb 17, 2007 at 05:20:43PM +0000, paul at ma1.se wrote:

> Hi
> 
> Has anyone managed to pick and view the HDTV broadcasts from Crystal 
> Palace using a Linux PC and if so what kind of hardware/monitor setup 
> did you use? I think Hauppage gear has traditionally been supported well 
> by Linux OS's.

I can get BBC HD with a Hauppage DVB-S card without any problems, the catch
is that my Athlon can not keep up with it, from what I've read in the MythTV
mailing lists there is no free software decoder that can manage to decode
in real time the encoding that BBC is using :( You can probably reencode the
stream to something else and play it back later on though.

Here is what ffmpeg has to say about the stream.
$ ffmpeg -i !$
ffmpeg -i 7940_20070217172602.mpg
FFmpeg version SVN-r7813, Copyright (c) 2000-2006 Fabrice Bellard, et al.
  configuration:  --prefix=/usr --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --extra-cflags=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic --enable-mp3lame --enable-libogg --enable-libtheora --enable-vorbis --enable-faad --enable-faac --enable-libgsm --enable-xvid --enable-x264 --enable-a52 --enable-a52bin --enable-dts --enable-pp --disable-static --enable-shared --enable-gpl --disable-debug --disable-opts --disable-strip
  libavutil version: 49.3.0
  libavcodec version: 51.30.0
  libavformat version: 51.8.0
  built on Feb  4 2007 08:14:48, gcc: 4.1.1 20070105 (Red Hat 4.1.1-51)
Input #0, mpegts, from '7940_20070217172602.mpg':
  Duration: 00:01:24.7, start: 27621.281911, bitrate: 20351 kb/s
  Stream #0.0[0x90e]: Video: h264, yuv420p, 1440x1080, 25.00 fps(r)
  Stream #0.1[0x910](NAR): Audio: mp2, 48000 Hz, stereo, 256 kb/s
  Stream #0.2[0x90f](eng): Audio: ac3, 48000 Hz, stereo, 384 kb/s

CHeers,
Kostas
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