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Old 9th October 2005, 16:57   #1  |  Link
jonathonsunshine
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Join Date: Sep 2005
Posts: 87
Weird ProjectX Errors !> skipped sourceframe(s) @ 00:00:35.200

Howdy all,

I was using ProjectX 0.90.1.00 to prepare a mpeg stream i captured with my twinhan DVB-t card.

It demuxed the streams fine, it didn't detect any bad GOP, but once it is finished demuxing and it scans the AC3 audio, it tells me there is a bad frame every 5 seconds or so and replaces it.

The resulting AC3 files sounds ok cept that every 5~10 seconds there is 32ms of silence which amazingly is quite noticable.

I demuxed the same clip with pvastrumento and it didn't detect anything wrong at all but the AC3 audio was horribly garbled.

Finally, if i put the clip straight into DGDecode and demux the ac3 sounds perfect.

any suggestions?

(A copy of the log is below)



Monday, 10 October 2005 01:45:42 AM GMT+10:00
ProjectX 0.90.1.00 (30.09.2005)

<<< session infos >>>

-> working with collection 0

-> save normal log file
-> write all video data
-> write all other data
-> create *.idd Projectfile on demux: Mpeg2Schnitt idd version: V2/A3
-> patch c.d.flagged infos of pictures
-> add sequence end code
-> set resolution in SDE
-> PVA: strictly specs. for audio streams
-> VOB: determine diff. Cell timelines
-> TS: ignore scrambled packets
-> TS: enhanced search for open packets
-> TS: join file segments (of Dreambox)
-> TS: generate PMT stream dependent
-> get only enclosed PES/TS packets
-> concatenate different recordings
-> ensure 1st PES-packet start with video
-> generate PCR/SCR from PTS

-> write output files to: 'C:\Documents and Settings\Jonathon Sunshine\Desktop\poisedon part 3'

-> Input File 0: 'd:\DIGITALTVCAPTURES\051009_223453 7 HD Digital THE NEW POSEIDON ADVENTURE.mpg' (10,603,499,520 bytes)
-> Filetype is MPEG-2 PS/SS (PES Container)
-> demux
-> found PES-ID 0xE0 (MPEG Video) @ 2062
-> found PES-ID 0xBD (private stream 1) (SubID 0x80) @ 8206
-> video basics: 720*576 @ 50fps @ 0.7031 (16:9) @ 9000000bps, vbvBuffer 596
-> starting export of video data @ GOP# 0
!> dropping useless B-Frames @ GOP# 0 / new Timecode 00:00:00.000
--- process cancelled ----

-> Video: fr/ ct/ 1p/ cg/ og/ dg -> 18358/ 1/ 0/ 1530/ 0/ 0
-> Video length: 18358 frames @ 00:06:07.160
-> GOP summary: min. 20, max. 24 fields; contains progressive frames
-> avg. nom. bitrate 8921095bps (min/max: 975600/13982000)
-> set first sequenceheader bitrate to 9800000bps
---> new File: C:\Documents and Settings\Jonathon Sunshine\Desktop\poisedon part 3\051009_223453 7 HD Digital THE NEW POSEIDON ADVENTURE.m2v

--> AC-3/DTS Audio (SubID 0x80)
-> allow spaces between frames (h.w.c.!)
-> check CRC of AC-3 / MPEG-Audio L1,2
-> add frames
Audio PTS: first packet 00:00:00.184, last packet 00:06:07.352
Video PTS: start 1.GOP 00:00:00.240, end last GOP 00:06:07.400
-> adjusting audio at video-timeline
-> src_audio: AC-3, CM, 2/0(2.0), dn -27dB, 48000Hz, 384kbps @ 00:00:00.000
!> 1 frame(s) (32ms) inserted @ 00:00:00.416
!> skipped sourceframe(s) @ 00:00:00.512
!> 1 frame(s) (32ms) inserted @ 00:00:05.888
!> skipped sourceframe(s) @ 00:00:05.952
!> 1 frame(s) (32ms) inserted @ 00:00:11.296
!> skipped sourceframe(s) @ 00:00:11.424
!> 1 frame(s) (32ms) inserted @ 00:00:16.736
!> skipped sourceframe(s) @ 00:00:16.800
!> 1 frame(s) (32ms) inserted @ 00:00:29.632
!> skipped sourceframe(s) @ 00:00:29.696
!> 1 frame(s) (32ms) inserted @ 00:00:35.072
!> skipped sourceframe(s) @ 00:00:35.200
!> 1 frame(s) (32ms) inserted @ 00:00:40.512
!> skipped sourceframe(s) @ 00:00:40.576
!> 1 frame(s) (32ms) inserted @ 00:00:45.952
!> skipped sourceframe(s) @ 00:00:46.080


I chopped out the centre of the log, its just more of the same


!> 1 frame(s) (32ms) inserted @ 00:05:51.008
!> skipped sourceframe(s) @ 00:05:51.072
!> 1 frame(s) (32ms) inserted @ 00:05:56.448
!> skipped sourceframe(s) @ 00:05:56.576
!> 1 frame(s) (32ms) inserted @ 00:06:01.888
!> skipped sourceframe(s) @ 00:06:01.952
!> 2 frame(s) (64ms) added @ 00:06:07.104
audio frames: wri/pre/skip/ins/add 11474/0/51/53/2 @ 00:06:07.168 done...
---> new File: 'C:\Documents and Settings\Jonathon Sunshine\Desktop\poisedon part 3\051009_223453 7 HD Digital THE NEW POSEIDON ADVENTURE.ac3'

summary of created media files:
.Video (m2v): 18358 Frames 00:06:07.160 'C:\Documents and Settings\Jonathon Sunshine\Desktop\poisedon part 3\051009_223453 7 HD Digital THE NEW POSEIDON ADVENTURE.m2v'
Audio 0 (ac3): 11474 Frames 00:06:07.168 0/51/53/2 'C:\Documents and Settings\Jonathon Sunshine\Desktop\poisedon part 3\051009_223453 7 HD Digital THE NEW POSEIDON ADVENTURE.ac3'
=> 427,057,726 bytes written...
-> we have 110 warnings/errors.

Last edited by jonathonsunshine; 9th October 2005 at 17:20. Reason: just wanted to add more info to the post
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Old 10th October 2005, 08:00   #2  |  Link
Pookie
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Join Date: Apr 2005
Posts: 1,339
Seems odd you have AC3 audio at 2/0 on an HD source. Run it through MPEG2Repair and try to demux the resulting file with ProjectX once again.

If nothing else works, try downgrading to ProjectX 0.8
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Old 10th October 2005, 23:03   #3  |  Link
DrP
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Join Date: Jan 2003
Posts: 159
Not really, its Channel 7 Australia, so there's nothing all that unusual about it being 2.0, not to mention 576p being called 'HD'. 7's AC3 audio encoder for my region was broken for months and kept cranking out bad packets, so its quite possible it was broken for him. I wouldn't use progdvb to do recordings anyway, there's better programs available for free.

If you use the BDA drivers for the card, you can use webscheduler.

Last edited by DrP; 10th October 2005 at 23:05.
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