[kdenlive] [Bug 379611] I cant capture video from my webcam

[Patrick Silva]

https://bugs.kde.org/show_bug.cgi?id=379611

--- Comment #9 from Patrick Silva  ---
Thanks emohr.
Unfortunately I can't record a video with my webcam yet.
Kdenlive not even detects my device.

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[emohr]

https://bugs.kde.org/show_bug.cgi?id=379611

emohr  changed:

   What|Removed |Added

Version|18.12.1 |19.04.0

--- Comment #8 from emohr  ---
Screen grab is in 19.04 a bit hidden. Goto view -> tick “screen grab”.

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[Patrick Silva]

https://bugs.kde.org/show_bug.cgi?id=379611

--- Comment #7 from Patrick Silva  ---
Has the webcam video recording feature been removed from Kdenlive 19.04?
I can't find it.

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[emohr]

https://bugs.kde.org/show_bug.cgi?id=379611

emohr  changed:

   What|Removed |Added

  Flags||low_hanging+
   Keywords||junior-jobs

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[Patrick Silva]

https://bugs.kde.org/show_bug.cgi?id=379611

--- Comment #6 from Patrick Silva  ---
instructions from your link do not wotk with appimage.
However I can reproduce the crash on neon dev unstable.
I'm posting the backtrace if it's helpful.


Thread 27 (Thread 0x7fff6c7f7700 (LWP 4446)):
#0  0x7fffee51e9f3 in futex_wait_cancelable (private=,
expected=0, 
futex_word=0x7fff7c0084e0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fff7c008490,
cond=0x7fff7c0084b8)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fff7c0084b8, mutex=0x7fff7c008490) at
pthread_cond_wait.c:655
#3  0x771f95bb in mlt_slices_worker (p=0x7fff7c008480) at
mlt_slices.c:95
#4  0x7fffee5186db in start_thread (arg=0x7fff6c7f7700) at
pthread_create.c:463
#5  0x701bd88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7fff6d7f9700 (LWP )):
#0  0x7fffee51e9f3 in futex_wait_cancelable (private=,
expected=0, 
futex_word=0x7fff7c0084e0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fff7c008490,
cond=0x7fff7c0084b8)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fff7c0084b8, mutex=0x7fff7c008490) at
pthread_cond_wait.c:655
#3  0x771f95bb in mlt_slices_worker (p=0x7fff7c008480) at
mlt_slices.c:95
#4  0x7fffee5186db in start_thread (arg=0x7fff6d7f9700) at
pthread_create.c:463
#5  0x701bd88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fff6e7fb700 (LWP 4442)):
#0  0x7fffee51e9f3 in futex_wait_cancelable (private=,
expected=0, 
futex_word=0x7fff7c0084e0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fff7c008490,
cond=0x7fff7c0084b8)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fff7c0084b8, mutex=0x7fff7c008490) at
pthread_cond_wait.c:655
#3  0x771f95bb in mlt_slices_worker (p=0x7fff7c008480) at
mlt_slices.c:95
#4  0x7fffee5186db in start_thread (arg=0x7fff6e7fb700) at
pthread_create.c:463
#5  0x701bd88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fff6f7fd700 (LWP 4440)):
#0  0x7fffee51e9f3 in futex_wait_cancelable (private=,
expected=0, 
futex_word=0x7fff7c0084e0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fff7c008490,
cond=0x7fff7c0084b8)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fff7c0084b8, mutex=0x7fff7c008490) at
pthread_cond_wait.c:655
#3  0x771f95bb in mlt_slices_worker (p=0x7fff7c008480) at
mlt_slices.c:95
#4  0x7fffee5186db in start_thread (arg=0x7fff6f7fd700) at
pthread_create.c:463
#5  0x701bd88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fff89abe700 (LWP 4430)):
#0  0x701b0bf9 in __GI___poll (fds=0x7fff78004a10, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x7fffe7c86539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x7fffe7c8664c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x70e896cf in QEventDispatcherGlib::processEvents
(this=0x7fff78000b20, flags=...)
at kernel/qeventdispatcher_glib.cpp:422
#4  0x70e2d9aa in QEventLoop::exec (this=this@entry=0x7fff89abdc60,
flags=..., 
flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x70c5925a in QThread::exec (this=) at
thread/qthread.cpp:525
#6  0x70c6417b in QThreadPrivate::start (arg=0x5a92f890) at
thread/qthread_unix.cpp:367
#7  0x7fffee5186db in start_thread (arg=0x7fff89abe700) at
pthread_create.c:463
#8  0x701bd88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fff8aac0700 (LWP 4428)):
#0  0x701b0bf9 in __GI___poll (fds=0x7fff800049b0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x7fffe7c86539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x7fffe7c8664c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x70e896cf in QEventDispatcherGlib::processEvents
(this=0x7fff8b20, flags=...)
at kernel/qeventdispatcher_glib.cpp:422
#4  0x70e2d9aa in QEventLoop::exec (this=this@entry=0x7fff8aabfc60,
flags=..., 
flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x70c5925a in QThread::exec (this=) at
thread/qthread.cpp:525
#6  0x70c6417b in QThreadPrivate::start (arg=0x5a8f55f0) at
thread/qthread_unix.cpp:367
#7  0x7fffee5186db in start_thread (arg=0x7fff8aac0700) at
pthread_create.c:463
#8  0x701bd88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fffa9bd6700 (LWP 4423)):
#0  0x701b0bf9 in __GI___poll (fds=0x7fffa0004e00, nfds=1, timeout=-1)
at 

[kdenlive] [Bug 379611] I cant capture video from my webcam

[emohr]

https://bugs.kde.org/show_bug.cgi?id=379611

--- Comment #5 from emohr  ---
See here: https://kdenlive.org/en/bug-reports/ . 

Scroll down to the bottom to the box "How to get useful crash information
(backtrace)"

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[Patrick Silva]

https://bugs.kde.org/show_bug.cgi?id=379611

--- Comment #4 from Patrick Silva  ---
could you explain how to generate a crash log of appimage please?

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[emohr]

https://bugs.kde.org/show_bug.cgi?id=379611

emohr  changed:

   What|Removed |Added

Version|18.04.3 |18.12.1

--- Comment #3 from emohr  ---
Could you post a crash log?

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[Patrick Silva]

https://bugs.kde.org/show_bug.cgi?id=379611

Patrick Silva  changed:

   What|Removed |Added

 Resolution|WAITINGFORINFO  |---
 Status|NEEDSINFO   |REPORTED

--- Comment #2 from Patrick Silva  ---
Still not working.
kdenlive AppImage version 18.12.1b crashes when I stop video recording.

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[emohr]

https://bugs.kde.org/show_bug.cgi?id=379611

emohr  changed:

   What|Removed |Added

 Status|REPORTED|NEEDSINFO
 Resolution|--- |WAITINGFORINFO
 CC||fritzib...@gmx.net

--- Comment #1 from emohr  ---
It should be fixed in version 18.12.1. And even audio capture should work.

Please try with the current Kdenlive AppImage version 18.12.1b
https://files.kde.org/kdenlive/release/ 

Run the Appimage from the terminal (press CTRL + ALT + T). Move to the AppImage
folder and run the .AppImage: ./Kdenlive*.AppImage

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[Dr . Chapatin]

https://bugs.kde.org/show_bug.cgi?id=379611

Dr. Chapatin  changed:

   What|Removed |Added

   Platform|Other   |Archlinux Packages
Version|17.04.0 |18.04.3

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[kdenlive] [Bug 379611] I cant capture video from my webcam

[James A . Jaworski]

https://bugs.kde.org/show_bug.cgi?id=379611

James A. Jaworski  changed:

   What|Removed |Added

 CC||jimj_...@yahoo.ca

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