[QUESTION] Two Korean DTV TS files recorded using same PVR. CCExtract is working with only one of them. #293

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opened 2026-01-29 16:40:06 +00:00 by claunia · 4 comments
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Originally created by @rokatri on GitHub (Mar 7, 2017).

CCExtractor version (using the --version parameter preferably) : 0.85

In raising this issue, I confirm the following (please check boxes, eg [X]):

  • [X ] I have read and understood the contributors guide.
  • [X ] I have checked that the bug-fix I am reporting can be replicated, or that the feature I am suggesting isn't already present.
  • [X ] I have checked that the issue I'm posting isn't already reported.
  • [X ] I have checked that the issue I'm porting isn't already solved and no duplicates exist in closed issues and in opened issues
  • [X ] I have checked the pull requests tab for existing solutions/implementations to my issue/suggestion.
  • [X ] I have used the latest available version of CCExtractor to verify this issue exists.

My familiarity with the project is as follows (check one, eg [X]):

  • I have never used CCExtractor.
  • I have used CCExtractor just a couple of times.
  • I absolutely love CCExtractor, but have not contributed previously.
  • I am an active contributor to CCExtractor.

Necessary information

  • Is this a regression (did it work before)? [X] NO | [ ] YES
  • What platform did you use? [X] Windows - [ ] Linux - [ ] Mac
  • What where the used arguments? -noru -nomyth -noteletext -out=txt -svc all[EUC-KR]`

Video links
This is the one I can extract caption. ("AVC Video stream as defined in ITU-T Rec. H.264 |ISO/IEC 14496-10 Video".)
https://drive.google.com/file/d/0B0olGw-GHirhQkJvR042bVpVczg/view?usp=sharing

This is the one I can not extract caption. ("ITU-T Rec.H.262|ISO/IED 13818-2 Viideo or ISO/IEC 11172-2 constrained parameter video stream")
https://drive.google.com/file/d/0B0olGw-GHirhNlZUbG42R2tuNDQ/view?usp=sharing

I have two Korea DTV recording I took recently. Both contains closed caption. I can extract the closed caption from one file, but I can't from the other file.

Originally created by @rokatri on GitHub (Mar 7, 2017). CCExtractor version (using the --version parameter preferably) : 0.85 **In raising this issue, I confirm the following (please check boxes, eg [X]):** - [X ] I have read and understood the [contributors guide](https://github.com/CCExtractor/ccextractor/blob/master/.github/CONTRIBUTING.md). - [X ] I have checked that the bug-fix I am reporting can be replicated, or that the feature I am suggesting isn't already present. - [X ] I have checked that the issue I'm posting isn't already reported. - [X ] I have checked that the issue I'm porting isn't already solved and no duplicates exist in [closed issues](https://github.com/CCExtractor/ccextractor/issues?q=is%3Aissue+is%3Aclosed) and in [opened issues](https://github.com/CCExtractor/ccextractor/issues) - [X ] I have checked the pull requests tab for existing solutions/implementations to my issue/suggestion. - [X ] I have used the latest available version of CCExtractor to verify this issue exists. **My familiarity with the project is as follows (check one, eg [X]):** - [ ] I have never used CCExtractor. - [ ] I have used CCExtractor just a couple of times. - [X] I absolutely love CCExtractor, but have not contributed previously. - [ ] I am an active contributor to CCExtractor. **Necessary information** - Is this a regression (did it work before)? [X] NO | [ ] YES - What platform did you use? [X] Windows - [ ] Linux - [ ] Mac - What where the used arguments? -noru -nomyth -noteletext -out=txt -svc all[EUC-KR]` **Video links** This is the one I can extract caption. ("AVC Video stream as defined in ITU-T Rec. H.264 |ISO/IEC 14496-10 Video".) https://drive.google.com/file/d/0B0olGw-GHirhQkJvR042bVpVczg/view?usp=sharing This is the one I can not extract caption. ("ITU-T Rec.H.262|ISO/IED 13818-2 Viideo or ISO/IEC 11172-2 constrained parameter video stream") https://drive.google.com/file/d/0B0olGw-GHirhNlZUbG42R2tuNDQ/view?usp=sharing I have two Korea DTV recording I took recently. Both contains closed caption. I can extract the closed caption from one file, but I can't from the other file.
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@cfsmp3 commented on GitHub (Mar 7, 2017):

GSoC qualification: 3 points

@cfsmp3 commented on GitHub (Mar 7, 2017): GSoC qualification: 3 points
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@harrynull commented on GitHub (Jan 7, 2018):

Some info that may be helpful:
The one that cannot be extracted is identified as MPEG2 with no PAT/PMT info.
I've used Avidemux to generate PAT/PMT but the issue still presents.
Neither VLC nor Potplayer can show subtitles in neither videos, but it could be a bug of video player because CCExtractor can extract the first video correctly.
Mediainfo says it has CEA-708 stream, but in function do_cb, cc_type is 0 or 1 (which is CEA-608 I think). As a result, the program never enters CEA-708.

@harrynull commented on GitHub (Jan 7, 2018): Some info that may be helpful: The one that cannot be extracted is identified as MPEG2 with no PAT/PMT info. I've used Avidemux to generate PAT/PMT but the issue still presents. Neither VLC nor Potplayer can show subtitles in neither videos, but it could be a bug of video player because CCExtractor can extract the first video correctly. Mediainfo says it has CEA-708 stream, but in function `do_cb`, `cc_type` is 0 or 1 (which is CEA-608 I think). As a result, the program never enters CEA-708.
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@cfsmp3 commented on GitHub (Jan 8, 2018):

Keep in mind that CEA-608 and CEA-708, in transport streams, are bundled
together - so you will see CEA-608 data first, then CEA-708. So you have to
check out the complete block, not just the first two bytes.

On Sat, Jan 6, 2018 at 10:33 PM, Null notifications@github.com wrote:

Some info that may be helpful:
The one that cannot be extracted is identified as MPEG2 with no PAT/PMT
info.
I've used Avidemux to generate PAT/PMT but the issue still presents.
Neither VLC nor Potplayer can show subtitles in neither videos, but it
could be a bug of video player because CCExtractor can extract the first
video correctly.
Mediainfo says it has CEA-708 stream, but in function do_cb, cc_type is 0
or 1 (which is CEA-608 I think). As a result, the program never enters
CEA-708.


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@cfsmp3 commented on GitHub (Jan 8, 2018): Keep in mind that CEA-608 and CEA-708, in transport streams, are bundled together - so you will see CEA-608 data first, then CEA-708. So you have to check out the complete block, not just the first two bytes. On Sat, Jan 6, 2018 at 10:33 PM, Null <notifications@github.com> wrote: > Some info that may be helpful: > The one that cannot be extracted is identified as MPEG2 with no PAT/PMT > info. > I've used Avidemux to generate PAT/PMT but the issue still presents. > Neither VLC nor Potplayer can show subtitles in neither videos, but it > could be a bug of video player because CCExtractor can extract the first > video correctly. > Mediainfo says it has CEA-708 stream, but in function do_cb, cc_type is 0 > or 1 (which is CEA-608 I think). As a result, the program never enters > CEA-708. > > — > You are receiving this because you commented. > Reply to this email directly, view it on GitHub > <https://github.com/CCExtractor/ccextractor/issues/713#issuecomment-355803136>, > or mute the thread > <https://github.com/notifications/unsubscribe-auth/AFrJ2QY_6DUFhxtHPtoPNFavffaOhWcaks5tIGUvgaJpZM4MVCer> > . >
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@cfsmp3 commented on GitHub (Jan 11, 2018):

Closing since seems to be the same as this one:
https://github.com/CCExtractor/ccextractor/issues/805

@cfsmp3 commented on GitHub (Jan 11, 2018): Closing since seems to be the same as this one: https://github.com/CCExtractor/ccextractor/issues/805
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Reference: starred/ccextractor#293