Red Hat Bugzilla – Bug 445266
RFE: autosplit should work with timestamp
Last modified: 2016-07-19 16:49:28 EDT
Description of problem: After the breakthrough of issue #435550, I was able to play around with dvgrab... :-) It seems that the option -a (autosplit) does not do too well with -t (timestamp), while -timecode does it. Version-Release number of selected component (if applicable): 3.1-1.fc8 How reproducible: Always Steps to Reproduce: 1. Try: dvgrab -i -a -timecode -t test 2. Capture... Actual results: Each time a scene change is reached, i.e. a split-point, a new file is created with the same old name. In my case this is "test1999.11.30_00-00-00.dv". Since the file name is always the same, only the last "chunk" is captured. Expected results: Different files should be created, with the timestamp and timecode in the file name. At least this is what I understood reading the man page. Additional info: Using -timecode alone works fine, different file names are used. It seems that kino 1.1.0 suffers from the same issue, even if I'm not sure if kino calls dvgrab in order to capture the stream.
I *think* this is probably due to the lack of timestamping functionality in the juju firewire stack, which is briefly mentioned in bug #370931, comment #15 - 18.
Uhm, maybe that's one problem. But also "-t -timecode" does not use the timecode. Without "-t" it works, i.e. the timecode is used for the file name. This means that, at least the command line parser/switch has some problems, or it is designed that way, strangely. It other words, I was expecting that "-t -timecode" would put _both_ in the filename, timecode and timestamp, something like: dvgrab-1999.11.30_00-00-00-07:24:12:13.dv or the other way around. dvgrab-07:24:12:13-1999.11.30_00-00-00.dv pg
Hrm, no clue what the intended behaviour is here...
I don't know what is intended, but -t|-timestamp obviously switches off -timecode. IOW -timecode is only in effect if -t|-timestamp is not given. Three quick tests with dvgrab 3.1 (patched according to bug #370931, comment #15), running on top of raw1394: # dvgrab -t -timecode -s 10 rom1394_0 warning: read failed: 0x0000fffff0000414 error reading config rom directory for node 0 rom1394_1 warning: read failed: 0x0000fffff0000414 error reading config rom directory for node 1 Found AV/C device with GUID 0x008088030960484b Capture Started "dvgrab-2008.07.02_21-11-42.dv": buffer underrun near: timecode -1324871088:-1208797616:134520075.575116475 date 2008.07.02 21:11:42 This error means that the frames could not be written fast enough. "dvgrab-2008.07.02_21-11-42.dv": 9.89 MiB 72 frames timecode 00:1215029583:00.4199337 date 2008.07.02 21:11:45 Warning: 1 dropped frames. "dvgrab-2008.07.02_21-11-45.dv": 9.89 MiB 72 frames timecode 00:1215029586:00.4203583 date 2008.07.02 21:11:47 "dvgrab-2008.07.02_21-11-47.dv": 9.89 MiB 72 frames timecode 00:1215029589:00.4203584 date 2008.07.02 21:11:50 "dvgrab-2008.07.02_21-11-50.dv": 9.89 MiB 72 frames timecode 00:1215029592:00.4203698 date 2008.07.02 21:11:53 "dvgrab-2008.07.02_21-11-53.dv": 3.43 MiB 25 frames timecode -1077727916:-1077728152:-1210596167.181649320 date 2008.07.02 21:11:54 Capture Stopped Same with "dvgrab -t -s 10". # dvgrab -timecode -s 10 rom1394_0 warning: read failed: 0x0000fffff0000414 error reading config rom directory for node 0 rom1394_1 warning: read failed: 0x0000fffff0000414 error reading config rom directory for node 1 Found AV/C device with GUID 0x008088030960484b Capture Started "dvgrab--1210303872:-1210303860:00:00.dv": buffer underrun near: timecode -1324756400:-1208682928:134520075.575116475 date 2008.07.02 21:16:40 This error means that the frames could not be written fast enough. "dvgrab--1210303872:-1210303860:00:00.dv": buffer underrun near: timecode 170446844:134710868:-1324756500.170446992 date 2008.07.02 21:16:40 This error means that the frames could not be written fast enough. "dvgrab--1210303872:-1210303860:00:00.dv": 9.89 MiB 72 frames timecode 00:1215029881:00.4351669 date 2008.07.02 21:16:43 Warning: 2 dropped frames. "dvgrab--1210303872:-1210303860:00:10512000.dv": 9.89 MiB 72 frames timecode 00:1215029884:00.4351701 date 2008.07.02 21:16:46 "dvgrab--1210303872:-1210303860:00:10512000.dv": 9.89 MiB 72 frames timecode 00:1215029887:00.4351701 date 2008.07.02 21:16:49 "dvgrab--1210303872:-1210303860:00:10512000.dv": 9.89 MiB 72 frames timecode 00:1215029890:00.4351701 date 2008.07.02 21:16:51 "dvgrab--1210303872:-1210303860:00:10512000.dv": 9.89 MiB 72 frames timecode 00:1215029893:00.4351701 date 2008.07.02 21:16:54 "dvgrab--1210303872:-1210303860:00:10512000.dv": 9.89 MiB 72 frames timecode 00:1215029896:00.4351701 date 2008.07.02 21:16:57 "dvgrab--1210303872:-1210303860:00:10512000.dv": 9.89 MiB 72 frames timecode 00:1215029898:00.4351701 date 2008.07.02 21:17:00 "dvgrab--1210303872:-1210303860:00:10512000.dv": 4.67 MiB 34 frames timecode -1081816716:-1081816952:-1210481479.170446760 date 2008.07.02 21:17:01 Capture Stopped (We could also simply look at the source code, right?)
PS: As you can see, the filenames are not correct in case of -timecode. Now on firewire-core: # dvgrab -t -s 10 Found AV/C device with GUID 0x008088030960484b "": buffer underrun near: timecode 00:01:00.01 date 2008.07.02 21:28:11 This error means that the frames could not be written fast enough. Capture Started "dvgrab-2008.07.02_21-28-11.dv": 9.89 MiB 72 frames timecode 00:1215030572:00.4351711 date 2008.07.02 21:28:14 Warning: 1 dropped frames. "dvgrab-2008.07.02_21-28-14.dv": 9.89 MiB 72 frames timecode 00:1215030575:00.4351713 date 2008.07.02 21:28:16 "dvgrab-2008.07.02_21-28-16.dv": 9.89 MiB 72 frames timecode 00:1215030578:00.4351721 date 2008.07.02 21:28:19 "dvgrab-2008.07.02_21-28-19.dv": 2.47 MiB 18 frames timecode -1077811884:-1077812120:-1210669895.180598704 date 2008.07.02 21:28:20 Capture Stopped # dvgrab -timecode -s 10 Found AV/C device with GUID 0x008088030960484b Capture Started "dvgrab--1210033536:-1210033524:00:00.dv": buffer underrun near: timecode -1324486064:-1208412592:134520075.575116475 date 2008.07.02 21:28:38 This error means that the frames could not be written fast enough. "dvgrab--1210033536:-1210033524:00:00.dv": 9.89 MiB 72 frames timecode 00:1215030599:00.4351725 date 2008.07.02 21:28:41 Warning: 1 dropped frames. "dvgrab--1210033536:-1210033524:00:10512000.dv": 9.89 MiB 72 frames timecode 00:1215030602:00.4351731 date 2008.07.02 21:28:44 "dvgrab--1210033536:-1210033524:00:10512000.dv": 9.89 MiB 72 frames timecode 00:1215030605:00.4351731 date 2008.07.02 21:28:47 "dvgrab--1210033536:-1210033524:00:10512000.dv": 1.24 MiB 9 frames timecode -1081540316:-1081540552:-1210211143.173062064 date 2008.07.02 21:28:47 Capture Stopped Conclusion: - -timestamp switches off -timecode: behavior of upstream dvgrab, intended or not - -timecode produces wrong filenames, hence overwrites the second output file over and over again: bug of upstream dvgrab, independent of the kernel drivers used Doesn't look hard to fix. Hint: Dan has currently only time to harvest the occasional user-contributed patch from kino-dev but can't act on bug reports himself for now, due to other duties.
Hi all, I noticed dvgrab 3.2 was released with some "autosplit improvements" and I also noticed Jarod made a rpm for F10. Any chance to get also an upgrade for F9? Thanks a lot in advance, pg
Ah, that's right, the rawhide version isn't directly installable, since you also need the newer libraw1394 so, and all the bits that were rebuilt against it... Okay, I committed dvgrab 3.2 to the F-9 branch, and a build is working through the build system right now. http://koji.fedoraproject.org/koji/taskinfo?taskID=767361
dvgrab-3.2-1.fc9 has been submitted as an update for Fedora 9
dvgrab-3.2-1.fc9 has been pushed to the Fedora 9 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update dvgrab'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F9/FEDORA-2008-7135
(In reply to comment #9) > dvgrab-3.2-1.fc9 has been pushed to the Fedora 9 testing repository. If > problems still persist, please make note of it in this bug report. Well, it seems to me that the problem is still there with dvgrab-3.2-1.fc9, since the command: dvgrab -t -timecode ... Does not work as advertised, it seems "-t" still overrides "-timecode". Any ideas? Thanks, pg
dvgrab-3.2-1.fc9 has been pushed to the Fedora 9 stable repository. If problems still persist, please make note of it in this bug report.
D'oh, update system wasn't supposed to close this...
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I change version to 9, since it applies also there. pg
I just noticed that dvgrad 3.4 is out with some "bugfixes". Does anybody know if the issue here was addressed? Thanks, pg
The respective changelogs sound as if dvgrab 3.3 and/or libiec61883 1.2.0 had relevant fixes, while dvgrab 3.4 apparently only fixed a single mlockall() related regression in dvgrab 3.3.
...relevant to DV input validation and thus potentially also timestamp validation, not necessarily relevant to -timestamp vs. -timecode semantics.
Results with dvgrab 3.4, right now via raw1394: -timestamp: dvgrab-2009.02.20_19-22-25.dv -timecode: dvgrab-EE:EE:EE:EE.dv -timestamp -timecode: dvgrab-2009.02.20_19-23-11.dv -timecode -timestamp: dvgrab-2009.02.20_19-23-26.dv -a -timestamp -F 250: dvgrab-2009.02.20_19-23-54.dv dvgrab-2009.02.20_19-24-04.dv dvgrab-2009.02.20_19-24-14.dv dvgrab-2009.02.20_19-24-24.dv -a -timecode -F 250: dvgrab-EE:EE:EE:EE.dv dvgrab-EE:EE:EE:EE.dv dvgrab-EE:EE:EE:EE.dv dvgrab-EE:EE:EE:EE.dv If you don't like it, you need to find someone who sends a patch to Dan. It's an upstream bug or upstream missing feature.
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Hi all. I just update to Fedora 10 to keep it alive, I hope this is not a problem. Question: should/could this bug changed to RFE? Thanks, pg
(In reply to comment #20) > I just update to Fedora 10 to keep it alive, I hope this is not a problem. Nope, that's fine. > Question: should/could this bug changed to RFE? Probably. But its not likely to happen unless someone does it upstream. I'm afraid I don't have the time to work on it myself right now.
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I just changed version to f12 to keep the item warm... bye, pg
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Keep-alive, bye, pg
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Hi, I just re-opened with F-17 as version. I hope it is not a problem. Thanks, bye, pg
Ops, sorry, now changed. pg
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Updated version to keep it warm.
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Bump version to F-20. bye, pg
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Keepalive ping, bump to F22. Actually, I'm not sure this is a really issue nowadays. So, if the assignee thinks there is low hanging fruit solution, maybe worth to have, if it is too complex or complicated, then maybe better close it. bye, pg
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