[FFmpeg-user] EPG stream

[Mitja Pirih]

On 06. 09. 2015 21:54, Henk D. Schoneveld wrote:
>> On 06 Sep 2015, at 20:48, Mitja Pirih <mitja at alternet.si> wrote:
>>
>> On 31. 08. 2015 11:12, Mitja Pirih wrote:
>>> Hello,
>>>
>>> What are my options for EPG with ffmpeg?
>>> Currently I am grabbing a DVB-T stream (with mumudvb) and encoding it to
>>> x264, but it the process I am loosing EPG.
>>> Is there a method to inserting EPG back into the stream?
>>>
> EPG = Electronic Program Guide. What makes you think this data is available in your source file ?

VLC is showing EPG on a multicast stream grabbed from DVB-T. So I
deducted it is encoded into one of the streams.

 ffprobe http://10.1.2.202:8007/bysid/4006
ffprobe version N-73895-g323ec6b Copyright (c) 2007-2015 the FFmpeg
developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
  configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg
--enable-avresample --disable-debug --enable-nonfree --enable-gpl
--enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb
--disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse
--enable-libdcadec --enable-libx264 --enable-libx265 --enable-libfdk-aac
--enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx
--enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr
--enable-libxvid --enable-libvo-aacenc --enable-libvidstab
  libavutil      54. 28.100 / 54. 28.100
  libavcodec     56. 50.101 / 56. 50.101
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 25.100 /  5. 25.100
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc    53.  3.100 / 53.  3.100
[mpeg2video @ 0x2fb6320] Invalid frame dimensions 0x0.
    Last message repeated 7 times
[mpegts @ 0x2fa7980] Could not find codec parameters for stream 4
(Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[mpegts @ 0x2fa7980] Could not find codec parameters for stream 5
(Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[mpegts @ 0x2fa7980] Could not find codec parameters for stream 6
(Unknown: none ([5][0][0][0] / 0x0005)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[mpegts @ 0x2fa7980] Could not find codec parameters for stream 7
(Unknown: none ([5][0][0][0] / 0x0005)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[mpegts @ 0x2fa7980] Could not find codec parameters for stream 8
(Unknown: none ([5][0][0][0] / 0x0005)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
Input #0, mpegts, from 'http://10.1.2.202:8007/bysid/4006':
  Duration: N/A, start: 28231.348789, bitrate: N/A
  Program 4006
    Metadata:
      service_name    : Italia1
      service_provider: Mediaset
    Stream #0:0[0x653](ita,ita): Subtitle: dvb_teletext ([6][0][0][0] /
0x0006)
    Stream #0:1[0x654]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv), 720x576 [SAR 64:45 DAR 16:9], max. 15000 kb/s, 25
fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0:2[0x655](ita): Audio: mp2 ([4][0][0][0] / 0x0004), 48000
Hz, stereo, s16p, 192 kb/s
    Stream #0:3[0x656](eng): Audio: mp2 ([4][0][0][0] / 0x0004), 48000
Hz, stereo, s16p, 128 kb/s
    Stream #0:4[0x1e78]: Unknown: none ([11][0][0][0] / 0x000B)
    Stream #0:5[0x1e79]: Unknown: none ([11][0][0][0] / 0x000B)
    Stream #0:6[0x1ea0]: Unknown: none ([5][0][0][0] / 0x0005)
    Stream #0:7[0x1ea1]: Unknown: none ([5][0][0][0] / 0x0005)
    Stream #0:8[0x1ea2]: Unknown: none ([5][0][0][0] / 0x0005)
Unsupported codec with id 94215 for input stream 0
Unsupported codec with id 0 for input stream 4
Unsupported codec with id 0 for input stream 5
Unsupported codec with id 0 for input stream 6
Unsupported codec with id 0 for input stream 7
Unsupported codec with id 0 for input stream 8