[mythtv-users] PS3 and mpeg2 DVB recording

mike lewis lachlanlewis at gmail.com
Mon Jun 9 12:08:23 UTC 2008


On Sat, May 31, 2008 at 6:14 PM, Chris W <mythtv at psychogeeks.com> wrote:
> On Sat, 31 May 2008 16:46:52 +0800
> "mike lewis" <lachlanlewis at gmail.com> wrote:
>
>> Hmm.  The "stock" DVB stream that myth writes works fine unless it's
>> HD.  Is there a way to find out what the HD stream is being recorded
>> as?  The files have the extensino .mpeg, but this is the same as the
>> SD files which play fine.
>
> You could try:
> tcprobe -i filename.mpeg
> or
> ffmpeg -i filename.mpeg
>
> both of which (transcode and ffmpeg packages) are likely to be on your
> Myth box.

Hi Chris,

Sorry been offline for a few days.  OK.

HD Stream:
---
myth at myth-desktop:/media/sdb1/mythtv/recordings$ tcprobe -i
1012_20080605232500.mpg
[tcprobe] MPEG transport stream (TS)
(ts_reader.c) Pids: 0x0 0x107 0x202 0x241 0x2a0
[tcprobe] summary for 1012_20080605232500.mpg, (*) = not default, 0 =
not detected
   no audio track: use "null" import module for audio
myth at myth-desktop:/media/sdb1/mythtv/recordings$ ffmpeg -i
1012_20080605232500.mpg
FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --enable-gpl --enable-pp --enable-swscaler
--enable-pthreads --enable-libvorbis --enable-libtheora
--enable-libogg --enable-libgsm --enable-dc1394 --disable-debug
--enable-libmp3lame --enable-libfaadbin --enable-libfaad
--enable-libfaac --enable-xvid --enable-x264 --enable-liba52
--enable-amr_nb --enable-amr_wb --enable-shared --prefix=/usr
  libavutil version: 1d.49.3.0
  libavcodec version: 1d.51.38.0
  libavformat version: 1d.51.10.0
  built on Dec 20 2007 21:25:50, gcc: 4.1.3 20070929 (prerelease)
(Ubuntu 4.1.2-16ubuntu2)
Input #0, mpegts, from '1012_20080605232500.mpg':
  Duration: 01:24:53.7, start: 85065.585233, bitrate: 15322 kb/s
  Stream #0.0[0x202]: Video: mpeg2video, yuv420p, 1920x1080, 90000
kb/s, 25.00 fps(r)
  Stream #0.1[0x2a0](eng): Audio: ac3, 48000 Hz, stereo, 448 kb/s
Must supply at least one output file
---

SD Stream:
---
myth at myth-desktop:/media/sdb1/mythtv/recordings$ tcprobe -i
1007_20080526212500.mpg
[tcprobe] MPEG transport stream (TS)
(ts_reader.c) Pids: 0x0 0x600 0x601 0x604 0x602
[tcprobe] summary for 1007_20080526212500.mpg, (*) = not default, 0 =
not detected
   no audio track: use "null" import module for audio
myth at myth-desktop:/media/sdb1/mythtv/recordings$ ffmpeg -i
1007_20080526212500.mpg
FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --enable-gpl --enable-pp --enable-swscaler
--enable-pthreads --enable-libvorbis --enable-libtheora
--enable-libogg --enable-libgsm --enable-dc1394 --disable-debug
--enable-libmp3lame --enable-libfaadbin --enable-libfaad
--enable-libfaac --enable-xvid --enable-x264 --enable-liba52
--enable-amr_nb --enable-amr_wb --enable-shared --prefix=/usr
  libavutil version: 1d.49.3.0
  libavcodec version: 1d.51.38.0
  libavformat version: 1d.51.10.0
  built on Dec 20 2007 21:25:50, gcc: 4.1.3 20070929 (prerelease)
(Ubuntu 4.1.2-16ubuntu2)
Input #0, mpegts, from '1007_20080526212500.mpg':
  Duration: N/A, start: 92469.785656, bitrate: N/A
  Stream #0.0[0x601]: Video: mpeg2video, yuv420p, 720x576, 15000 kb/s,
25.00 fps(r)
  Stream #0.1[0x602](eng): Audio: mp2, 48000 Hz, stereo, 256 kb/s
Must supply at least one output file
---

The only difference I can see is that the HD stream has a higher res,
and ac3 audio.

Mike


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