View Bug Details
ID | Project | Category | View Status | Date Submitted | Last Update |
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0001436 | DCP-o-matic | Bugs | public | 2018-12-22 22:38 | 2020-12-16 00:15 |
Reporter | robn | Assigned To | carl | ||
Priority | normal | Severity | crash | Reproducibility | always |
Status | closed | Resolution | fixed | ||
Platform | x86_64 | OS | Fedora | OS Version | 27 |
Target Version | 2.14.0 | ||||
Summary | 0001436: OK content makes DOM crash (probably audio related) | ||||
Description | DOM 2.13.89 crashes on some blu-ray ripped content (which appears to be fine when played with a media player). Trying older versions I found out that this problem is not new: it starts to appear between 2.13.40 and 2.13.42: 2.13.20 ok | ||||
Steps To Reproduce | Fortunately I was able to create a small sample of the complete .mkv blu-ray rip that makes DOM crash too.
Just try to add this content to a DOM-project and watch it crash! | ||||
Tags | No tags attached. | ||||
Branch | |||||
Estimated weeks required | |||||
Estimated work required | Unknown | ||||
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Thanks; should be fixed by b73576594b252e033539bec964d72403d3775585 in 2.13.91. |
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The file has a TrueHD audio stream at a sampling rate of 192kHz; this makes DCP-o-matic decide to make a 96kHz-audio DCP. You may be in uncharted territory here: I'm not sure if anybody distributes 96kHz DCPs and whether or not DCP-o-matic should even create them... |
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Ah OK, I see. Would there be any way to force DCP-o-matic into resampling to 48kHz-audio? |
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There isn't at the moment, but I think there should be... |
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Looking in the manual of the widely used Dolby CP650 I think that it can't work with anything above 48 kHz. |
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OK, I've added 0001437. |
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Most servers will downsample to 48kHz, but that is an installer option. The general consensus currently is to not create 96 kHz DCPs. Some cinema processors can handle 96kHz, some do downsampling to 48kHz, some fail. I guess a useful option would be to allow 96kHz only in advanced prefs, and add a hint/warning if 96kHz is created.
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Thanks Carsten. I've made it always 48kHz now. If 96kHz DCPs start happening (for some bizarre reason!) we can put in an option. |
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I re-tested with DOM 2.13.94 and everything works perfect now. |
Date Modified | Username | Field | Change |
---|---|---|---|
2018-12-22 22:38 | robn | New Bug | |
2018-12-22 22:38 | robn | File Added: crash_error.png | |
2018-12-22 22:56 | carl | Status | new => confirmed |
2018-12-22 22:56 | carl | Target Version | => 2.14.0 |
2018-12-22 23:34 | carl | Assigned To | => carl |
2018-12-22 23:34 | carl | Status | confirmed => resolved |
2018-12-22 23:34 | carl | Resolution | open => fixed |
2018-12-22 23:34 | carl | Note Added: 0002817 | |
2018-12-22 23:41 | carl | Note Added: 0002818 | |
2018-12-22 23:48 | robn | Note Added: 0002819 | |
2018-12-22 23:49 | carl | Note Added: 0002820 | |
2018-12-23 00:09 | robn | Note Added: 0002821 | |
2018-12-23 00:12 | carl | Relationship added | related to 0001437 |
2018-12-23 00:12 | carl | Note Added: 0002822 | |
2018-12-23 15:05 | Carsten | Note Added: 0002823 | |
2018-12-23 21:21 | carl | Note Added: 0002825 | |
2019-01-02 19:46 | robn | Note Added: 0002834 | |
2020-12-16 00:15 | carl | Status | resolved => closed |