Re: Digital reception problems just on BBC in Brighton

"Hoi Polloi" <nomail.thanks@xxxxxxxxxx> wrote in message
news:433be3cc$0$15052$ed2619ec@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> I was recording this programme (using a Hauppauge Nova-t) and returned to
> the PC at the end to find it still recording but with the picture frozen
> and no sound.

If anyone's interested (probably not!) I ran the file I had recorded through
PVAStrumento (with logging set to "Everything") and here's the output (for
"The Story of 1"):

***
*** PVAStrumento 2.1.0.15
*** running at 09-28-2005 23:01
***
Pre-Scanning input. Takes some time.
Stream info for
....\BBC ONE - 2005,09,28 19,59,23.mpg

Found 1 video stream.
Found 1 MPEG audio stream.

VIDEO #1
Resolution 720 x 576 (full D1)
Aspect ratio is 16:9
Frame rate 25.00 fps
Nominal bitrate 15000000 bps
First PTS: 00:00:01.108

MPEG AUDIO #1
MPEG1, Layer 2
stereo, sampled at 48.0 kHz.
Bitrate 256 kbps
Each frame contains 24.0 ms audio (768 bytes)
First PTS: 00:00:00.486


<<Make PS>>
Input: ...\BBC ONE - 2005,09,28 19,59,23.mpg
Options
.. fixing startup delay.
.. fixing stream synch.
.. keeping track of audio offset accumulation.
.. strict checking of audio framing.
.. sloppy on video PTS.
.. dropping GOPs longer than 980 KB
.. splitting on change of video format.
.. clearing CDF
.. creating new GOP timecodes.

Closing starting GOP.
Aiming for sync at 00:00:01.188
Cutting audio.
Audio stream 1 now starts at 00:00:01.182
DEB> DELAY -5
Video stream 1 now starts at 00:00:01.188
New program stream : ...\TheStoryOf1.ps.mpg
ALERT> Audio 1: 1369825 audio frames missing at 09:12:28.524
Re-syncing.
Closing starting GOP.
Aiming for sync at 09:12:28.604
Cutting audio.
Audio stream 1 now starts at 09:12:28.597
DEB> DELAY -6
Video stream 1 now starts at 09:12:28.604
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 09:12:28.604
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 09:12:28.604
Audio 1 starts at 09:12:28.597
DEB> DELAY -615

ALERT> Temporal structure wrong in GOP at 09:14:15.164. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 13:10:49.084
Cutting audio.
Audio stream 1 now starts at 13:10:49.088
DEB> DELAY 4
Video stream 1 now starts at 13:10:49.084
ALERT> PTS reset in video. Have to re-sync.
Re-syncing.
Closing starting GOP.
Aiming for sync at 13:15:21.656
Cutting video.
Audio stream 1: PTS DISCONTINUITY
Closing starting GOP.
Aiming for sync at 00:00:00.825
Cutting audio.
Audio stream 1 now starts at 00:00:00.829
DEB> DELAY 4
Video stream 1 now starts at 00:00:00.825
ALERT> Temporal structure wrong in GOP at 00:02:12.465. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:02:14.385
Cutting audio.
Audio stream 1 now starts at 00:02:14.389
DEB> DELAY 4
Video stream 1 now starts at 00:02:14.385
ALERT> Temporal structure wrong in GOP at 00:02:14.865. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:02:20.145
Cutting audio.
Audio stream 1 now starts at 00:02:20.149
DEB> DELAY 4
Video stream 1 now starts at 00:02:20.145
Catching up on audio 1: 20 silent frames.
ALERT> Temporal structure wrong in GOP at 00:02:52.305. Dropping.
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:02:52.305
Cutting audio.
Audio stream 1 now starts at 00:02:51.733
DEB> DELAY -571
Video stream 1 now starts at 00:02:52.305
Catching up on audio 1: 12 silent frames.
ALERT> Audio 1: 1397745 audio frames missing at 09:21:58.764
Re-syncing.
Closing starting GOP.
Aiming for sync at 09:21:58.844
Cutting audio.
Audio stream 1 now starts at 09:21:58.837
DEB> DELAY -6
Video stream 1 now starts at 09:21:58.844
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 09:21:58.844
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 09:21:58.844
Audio 1 starts at 09:21:58.837
DEB> DELAY -615

ALERT> PTS reset in video. Have to re-sync.
Re-syncing.
Closing starting GOP.
Aiming for sync at 09:28:17.965
Cutting video.
Audio stream 1: PTS DISCONTINUITY
Closing starting GOP.
Aiming for sync at 00:20:22.948
Cutting audio.
Audio stream 1 now starts at 00:20:22.950
DEB> DELAY 2
Video stream 1 now starts at 00:20:22.948
[ Found a GOP with more than 15 pics.
This is not DVD compliant, but many players accept it.
See summary for total number at end. ]
ALERT> Temporal structure wrong in GOP at 00:32:14.308. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 09:40:14.684
Cutting audio.
Audio stream 1 now starts at 09:40:14.677
DEB> DELAY -6
Video stream 1 now starts at 09:40:14.684
ALERT> PTS reset in video. Have to re-sync.
Re-syncing.
Closing starting GOP.
Aiming for sync at 09:40:45.805
Cutting video.
Audio stream 1: PTS DISCONTINUITY
Closing starting GOP.
Aiming for sync at 00:32:51.028
Cutting audio.
Audio stream 1 now starts at 00:32:51.030
DEB> DELAY 2
Video stream 1 now starts at 00:32:51.028
ALERT> Temporal structure wrong in GOP at 00:33:05.908. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 09:41:06.044
Cutting audio.
Audio stream 1 now starts at 09:41:06.037
DEB> DELAY -6
Video stream 1 now starts at 09:41:06.044
ALERT> PTS reset in video. Have to re-sync.
Re-syncing.
Closing starting GOP.
Aiming for sync at 09:41:17.965
Cutting video.
Audio stream 1: PTS DISCONTINUITY
Closing starting GOP.
Aiming for sync at 00:33:23.268
Cutting audio.
Audio stream 1 now starts at 00:33:23.262
DEB> DELAY -5
Video stream 1 now starts at 00:33:23.268
ALERT> Temporal structure wrong in GOP at 00:57:57.828. Dropping.
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:57:57.828
Cutting audio.
Audio stream 1 now starts at 00:57:57.822
DEB> DELAY -5
Video stream 1 now starts at 00:57:57.828
ALERT> Temporal structure wrong in GOP at 00:57:58.308. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:57:58.788
Cutting audio.
Audio stream 1 now starts at 00:57:58.782
DEB> DELAY -5
Video stream 1 now starts at 00:57:58.788
ALERT> Temporal structure wrong in GOP at 00:58:01.188. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:58:02.148
Cutting audio.
Audio stream 1 now starts at 00:58:02.142
DEB> DELAY -5
Video stream 1 now starts at 00:58:02.148
ALERT> Temporal structure wrong in GOP at 00:58:04.068. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:58:05.028
Cutting audio.
Audio stream 1 now starts at 00:58:05.022
DEB> DELAY -5
Video stream 1 now starts at 00:58:05.028
ALERT> Temporal structure wrong in GOP at 00:58:08.868. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:58:09.828
Cutting audio.
Audio stream 1 now starts at 00:58:09.822
DEB> DELAY -5
Video stream 1 now starts at 00:58:09.828
ALERT> Temporal structure wrong in GOP at 00:58:10.788. Dropping.
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:58:10.806
Cutting video.
Closing starting GOP.
Aiming for sync at 00:58:11.268
Cutting audio.
Audio stream 1 now starts at 00:58:11.262
DEB> DELAY -5
Video stream 1 now starts at 00:58:11.268
ALERT> Temporal structure wrong in GOP at 00:58:55.428. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:58:56.388
Cutting audio.
Audio stream 1 now starts at 00:58:56.382
DEB> DELAY -5
Video stream 1 now starts at 00:58:56.388
ALERT> Audio 1: 2 audio frames missing at EOF
DEB> 2 frames of silence inserted
Last fileset:
2099827366 total bytes written
Video 1: 88718 frames, 00:59:08.720
Audio 1: 148040 frames, 00:59:12.960

Sync estimate at EOF:
MPEG Audio #1 : sync

Video statistics
================
GOP length (min/avg/max):
1 / 11 / 12 [frames]
69641 / 267572 / 473159 [Bytes]
GOP bitrate (min/avg/max):
3066 / 4482 / 15640 [kbps]

++ INFO:
++ 5 GOP(s) with more than 15 frames were found
++ This is not "DVD-compliant"
++ It _may_ cause problems in DVD-authoring or
++ with some DVD players



Similarly, the output for "Murder Blues", broadcast immediately afterwards:

***
*** PVAStrumento 2.1.0.15
*** running at 09-29-2005 13:36
***
Pre-Scanning input. Takes some time.
Stream info for ...\BBC ONE - 2005,09,28 21,00,19.mpg

Found 1 video stream.
Found 1 MPEG audio stream.

VIDEO #1
Resolution 720 x 576 (full D1)
Aspect ratio is 16:9
Frame rate 25.00 fps
Nominal bitrate 15000000 bps
First PTS: 00:00:01.089

MPEG AUDIO #1
MPEG1, Layer 2
stereo, sampled at 48.0 kHz.
Bitrate 256 kbps
Each frame contains 24.0 ms audio (768 bytes)
First PTS: 00:00:00.491


<<Make PS>>
Input: ...\BBC ONE - 2005,09,28 21,00,19.mpg
Options
.. fixing startup delay.
.. fixing stream synch.
.. keeping track of audio offset accumulation.
.. strict checking of audio framing.
.. sloppy on video PTS.
.. dropping GOPs longer than 980 KB
.. clearing CDF
.. creating new GOP timecodes.

Closing starting GOP.
Aiming for sync at 00:00:01.169
Cutting audio.
Audio stream 1 now starts at 00:00:01.163
DEB> DELAY -5
Video stream 1 now starts at 00:00:01.169
New program stream : ...\MurderBlues3.ps.mpg
ALERT> Temporal structure wrong in GOP at 00:43:54.449. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:43:54.929
Cutting audio.
Audio stream 1 now starts at 00:43:54.923
DEB> DELAY -5
Video stream 1 now starts at 00:43:54.929
ALERT> Temporal structure wrong in GOP at 00:44:01.169. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 09:52:01.225
Cutting audio.
Audio stream 1 now starts at 09:52:01.218
DEB> DELAY -6
Video stream 1 now starts at 09:52:01.225
ALERT> PTS reset in video. Have to re-sync.
Re-syncing.
Closing starting GOP.
Aiming for sync at 10:00:16.506
Cutting video.
Audio stream 1: PTS DISCONTINUITY
Closing starting GOP.
Aiming for sync at 00:52:22.249
Cutting audio.
Audio stream 1 now starts at 00:52:22.259
DEB> DELAY 10
Video stream 1 now starts at 00:52:22.249
ALERT> Audio 1: 1 audio frames missing at 00:58:31.289
DEB> 1 frames of silence inserted
ALERT> Audio 1: 1 audio frames missing at 00:58:52.889
DEB> 1 frames of silence inserted
ALERT> Audio 1: 19 audio frames missing at EOF
DEB> 19 frames of silence inserted
Last fileset:
2107541438 total bytes written
Video 1: 88720 frames, 00:59:08.800
Audio 1: 147869 frames, 00:59:08.856

Sync estimate at EOF:
MPEG Audio #1 : sync

Video statistics
================
GOP length (min/avg/max):
10 / 11 / 12 [frames]
205866 / 269683 / 345078 [Bytes]
GOP bitrate (min/avg/max):
3431 / 4495 / 5751 [kbps]






.

Relevant Pages

  • More questions on IMediaDet ...
    ... I've got two files, one DivX AVI with an MP3 audio stream, and the other ... IMediaDet identified the audio stream in both. ... I found an AVI file with "On2 VP62" video stream, ...
    (microsoft.public.win32.programmer.directx.video)
  • Presentation time of samples
    ... I'm creating an ASF file using WMFSDK95. ... compressed video stream. ... Video stream uses audio stream's ...
    (microsoft.public.windowsmedia.sdk)
  • Sync Audio and Video Filter
    ... I have an DV-IN Stream with Peaks in the audio stream. ... extract the corresponding picture in the video stream. ...
    (microsoft.public.windowsmedia.sdk)
  • Audio out of sync
    ... audio and video stream and then encode to a new wmv file. ...
    (microsoft.public.windowsmedia.encoder)
  • Re: Creating a speaking tapi application
    ... Now I want to play that audio with speaker instead of recording. ... It is called terminals because when we talk about video streams ... earlier date that perhaps I could monitor the incoming stream and attempt ... CComPtr pEnumAddress; ...
    (microsoft.public.win32.programmer.tapi)
Loading