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3rd June 2005, 05:12 | #81 | Link |
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Beta 9 opens MPEG1 program streams
OK, here's a version that should open MPEG1 program streams. All the previous caveats apply. I also should advise that the audio is not yet supported either. Right now, I just want to shake down the MPEG1 video. Please advise if you find any MPEG1 files that cannot be decoded. Also, please advise if you find any regressions in the existing MPEG2 support. Thank you.
http://neuron2.net/dgmpgdec/dgmpgdec131b9.zip Last edited by Guest; 3rd June 2005 at 05:19. |
3rd June 2005, 06:28 | #82 | Link |
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I have a few giving the "warning: opening gop not closed" message. Does MPEG1 have gops?
Also, mpegs with 160 pixels or less vertically, make the slider bar and buttons disappear. Besides that, every one of my test mpegs played! |
3rd June 2005, 13:25 | #84 | Link | |||
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3rd June 2005, 13:27 | #85 | Link | |
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Does anyone have a VOB with MPEG1 in it. I need one for testing. |
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3rd June 2005, 13:51 | #86 | Link | |
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I tried using TMPGEnc and MuxMan to create some Mpeg1 in VOB files but keep getting GOP warnings Cheers
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3rd June 2005, 14:50 | #87 | Link |
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@neuron2: If you use QuEnc and set the mux profile to DVD and the codec to MPEG-1 you will get a VOB file with MPEG-1 video (make sure to have Audio in the AVS too, otherwise just a raw m1v stream will be created)
-Nic |
3rd June 2005, 17:32 | #89 | Link |
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Thanks, Nic and iNFO-DVD. It's not picking up the audio from MPEG1 program streams, though (VOB is MPEG2 program stream). I'm going to finish up MPEG1 video in DGDecode and then go back and straighten out the audio. Last edited by Guest; 3rd June 2005 at 17:35. |
4th June 2005, 05:18 | #94 | Link |
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MPEG1 support in DGDecode
Getting closer, people...
I bumped the beta version to 1.4.0b1 to reflect the major addition of MPEG1 support. This version adds MPEG1 support to DGDecode. Please beat on it. http://neuron2.net/dgmpgdec/dgmpgdec140b1.zip Still remaining are the following tasks to complete the job: 1. Fix window sizing problem with small frame size in DGIndex. 2. Add audio demuxing from MPEG1 program streams in DGIndex. 3. Grab video PTS and generate audio delay in filenames in DGIndex. 4. Use correct MPEG1 chroma siting for upsampling (currently uses MPEG2, although you'd be hard pressed to see the difference). |
4th June 2005, 13:08 | #95 | Link |
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Darn, just tried it with DVD2SVCD and I get a "Floating point division by zero" just before CCE starts encoding Oh well, thought it would be to good to be true. Maybe Mr DVD2SVCD needs to do a bit of tweeking to support this new version
EDIT: Just tried it with a MPEG2 stream as well, different errors, so looks like its back to good old ver 1.11 Last edited by ChickenMan; 4th June 2005 at 13:14. |
4th June 2005, 14:16 | #97 | Link |
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Yep I suspect the changed D2V format is the problem, so we all just wait for an updated DVD2SVCD then
My few test MPEG1 mpegs (PAL & NTSC) all loaded into DGIndex okay (never found the audio though but all listed as Progressive), saved Project and that loaded and encoded fine with TMPGenc. Havent tried any avisyth scripts yet. |
4th June 2005, 14:43 | #98 | Link | |
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I managed to find an 1GB .VOB file (Mpeg1 video @ 352x240 and MP2 audio), which 1.4.0 beta 1 had no difficulty in de-muxing. However, I was unable to use MuxMan to re-mux the streams back to .VOB as it complained of GOP length error! Cheers
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4th June 2005, 15:36 | #99 | Link | |
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Doesn't recognize DAT files (had to change extension to MPG ... no big deal there, though). Does not seem to demux audio from VCD MPG file (is it suposed to?), but does demux the video fine. Thanks! -abs
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4th June 2005, 15:58 | #100 | Link | |||
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VCD is an MPEG1 program stream so the above point about the audio applies. I have it working and will release a new beta with everything done just as soon as I complete the delay calculation. Should be within an hour. Thanks, folks, for your useful feedback. |
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