[mythtv-users] UK DVB-T Channels 4, 5; multiple video streams

John Pilkington J.Pilk at tesco.net
Tue Jun 4 11:26:45 UTC 2013


Last week the BBC mux from my local transmitter was moved to clear G4 
spectrum.  Since then my recordings from Channels 4 and 5 have 
apparently included multiple video streams.  This breaks my cutting 
script.  A simple edit ought to fix that, but has anything else changed 
too?

$ ionice -c3 mythffmpeg -i  1005_20130603185800.mpg
ffmpeg version 0.10.2.git Copyright (c) 2000-2012 the FFmpeg developers
   built on Apr 27 2013 17:23:40 with gcc 4.7.2 20120921 (Red Hat 4.7.2-2)
   configuration: --prefix=/usr --libdir=/usr/lib64 --libdir-name=lib64 
--mandir=/usr/share/man --enable-iptv --enable-pthreads 
--enable-ffmpeg-pthreads --enable-joystick-menu --enable-audio-alsa 
--enable-audio-oss --enable-audio-jack --enable-libfftw3 --enable-x11 
--x11-path=/usr/include --enable-xv --enable-opengl-video 
--enable-xrandr --enable-lirc --enable-ivtv --enable-firewire 
--enable-dvb --enable-libmp3lame --enable-libx264 --enable-libtheora 
--enable-libvorbis --enable-libxvid --enable-vdpau --enable-vaapi 
--enable-crystalhd --extra-cflags='-O2 -g -pipe -Wall 
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector 
--param=ssp-buffer-size=4 -m64 -mtune=generic -fomit-frame-pointer' 
--extra-cxxflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 
-fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 
-mtune=generic -fomit-frame-pointer' --compile-type=release --enable-debug
   libavutil      51. 56.100 / 51. 56.100
   libavcodec     54. 23.100 / 54. 23.100
   libavformat    54.  6.101 / 54.  6.101
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 77.100 /  2. 77.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
[dvbsub @ 0xf5cc00] Invalid extradata, subtitle streams may be combined!
[mpegts @ 0xf58140] max_analyze_duration 5000000 reached at 5000000
[mpegts @ 0xf58140] Could not find codec parameters (Video: mpeg2video)
     Last message repeated 2 times
[NULL @ 0xf5d640] start time is not set in estimate_timings_from_pts
[NULL @ 0xf5dfe0] start time is not set in estimate_timings_from_pts
[NULL @ 0xf5e940] start time is not set in estimate_timings_from_pts
[mpegts @ 0xf58140] PES packet size mismatch
     Last message repeated 1 times
Input #0, mpegts, from '1005_20130603185800.mpg':
   Duration: 01:07:58.37, start: 51087.044133, bitrate: 2824 kb/s
     Stream #0:0[0xb22]: Video: mpeg2video (Main), yuv420p, 704x576 [SAR 
16:11 DAR 16:9], 15000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
     Stream #0:1[0xb23](eng): Audio: mp2, 48000 Hz, stereo, s16, 192 kb/s
     Stream #0:2[0xb25](eng): Audio: mp2, 48000 Hz, mono, s16, 64 kb/s
     Stream #0:3[0xb24](eng): Subtitle: dvb_subtitle
     Stream #0:4[0x806]: Video: mpeg2video, 90k tbr, 90k tbn, 90k tbc
     Stream #0:5[0x8cb]: Video: mpeg2video, 90k tbr, 90k tbn, 90k tbc
     Stream #0:6[0x8cc]: Video: mpeg2video, 90k tbr, 90k tbn, 90k tbc
At least one output file must be specified


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