Created attachment 114156 [details] The current sound settings, as they present themselves after the crash. Not sure exactly what started the issue, but a new installation of Kdenlive won't fix it either. Environment: Core i5 Quad-Core @3.2 Ghz 12 GB RAM ASUS 550ti I'll go through the steps that led me here: I originally had been running 17.12.0. However, I checked the site and found a new version! I joyously downloaded the new update and... no sound now. "Previous version worked fine literally minutes ago," I thought to myself as I decided to go back to the previous install (Different folder, I had kept both as a precaution). Sadly, the sound would no longer play while previewing video there either. And so I go to check the settings. I didn't change anything, but I did check the dropdowns to see what was there. Nothing was changed. I even hit cancel, as I couldn't figure out what was going on. I try going back to the new version. Maybe a new option in there? nope. As soon as I loaded it back up, there was an ominous message: "Could not create the video preview window. There is something wrong with your Kdenlive install or your driver settings, please fix it." Well, I updated my video drivers. I tried completely deleting Kdenlive and starting from scratch. Nothing brings me back to the fine, productive program it once was. The sound settings have completely reverted to being blank, and no combination seems to work to remedy the issue. I have attached a graphic of the settings as they now present themselves. And this continues across multiple instances.
Created attachment 114157 [details] The error that plagues me.
follow this instraction: https://forum.kde.org/viewtopic.php?f=269&t=152358 and try again
(In reply to fritzibaby from comment #2) > follow this instraction: https://forum.kde.org/viewtopic.php?f=269&t=152358 > and try again I had tried that. I then even went as far to remove the kdenlive folders from %AppData%\Local and %AppData%\Roaming. Still produced the error. Redownloaded a brand new copy, deleted any and all installs I had, removed those folder again, and even removed anything remotely related to KDE and Kdenlive from my registry to no avail. I ended up reinstalling Windows to fix.
Did you save the error ID from the event tracker (win+R -> eventvwr) as you get the Kdenlive error with the video preview? Does Kdennlive run after reinstallation of Win 10?
I can confirm that this is happening for me in KDE Neon with the latest kdenlive release. Here are reports: Application: Kdenlive (kdenlive), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fa7b5943540 (LWP 8418))] Thread 9 (Thread 0x7fa756ffd700 (LWP 8430)): #0 0x00007fa7adb84bf9 in __GI___poll (fds=0x7fa7480049b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fa7a566e439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fa7a566e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fa7ae85d53b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fa7ae8017fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fa7ae62cbba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fa7ae637adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fa7abf006db in start_thread (arg=0x7fa756ffd700) at pthread_create.c:463 #8 0x00007fa7adb9188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7fa7577fe700 (LWP 8429)): #0 0x00007fa7abf069f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x556830f21584) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x556830f21530, cond=0x556830f21558) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x556830f21558, mutex=0x556830f21530) at pthread_cond_wait.c:655 #3 0x00007fa7ae63894b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fa7aff74b18 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #5 0x00007fa7aff74f4a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007fa7ae637adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fa7abf006db in start_thread (arg=0x7fa7577fe700) at pthread_create.c:463 #8 0x00007fa7adb9188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7fa757fff700 (LWP 8428)): #0 0x00007fa7a56b3d79 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fa7a566e538 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fa7ae85d53b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007fa7ae8017fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fa7ae62cbba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fa7ae637adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fa7abf006db in start_thread (arg=0x7fa757fff700) at pthread_create.c:463 #7 0x00007fa7adb9188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7fa760dfb700 (LWP 8427)): #0 0x00007fa7abf069f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x556831854b04) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x556831854ab0, cond=0x556831854ad8) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x556831854ad8, mutex=0x556831854ab0) at pthread_cond_wait.c:655 #3 0x00007fa7ae63894b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fa7aff74b18 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #5 0x00007fa7aff74f4a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007fa7ae637adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fa7abf006db in start_thread (arg=0x7fa760dfb700) at pthread_create.c:463 #8 0x00007fa7adb9188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fa76398c700 (LWP 8424)): #0 0x00007fa7adb84bf9 in __GI___poll (fds=0x7fa758004e00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fa7a566e439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fa7a566e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fa7ae85d53b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fa7ae8017fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fa7ae62cbba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fa7afa7a4f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007fa7ae637adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fa7abf006db in start_thread (arg=0x7fa76398c700) at pthread_create.c:463 #9 0x00007fa7adb9188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fa769ae1700 (LWP 8422)): #0 0x00007fa7adb84bf9 in __GI___poll (fds=0x7fa764004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fa7a566e439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fa7a566e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fa7ae85d53b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fa7ae8017fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fa7ae62cbba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fa7afa7a4f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007fa7ae637adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fa7abf006db in start_thread (arg=0x7fa769ae1700) at pthread_create.c:463 #9 0x00007fa7adb9188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fa78f940700 (LWP 8421)): #0 0x00007fa7adb800b4 in __GI___libc_read (fd=14, buf=0x7fa78f93fa20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007fa7a56b2a00 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fa7a566df27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fa7a566e3e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fa7a566e54c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fa7ae85d53b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fa7ae8017fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fa7ae62cbba in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fa7b13e5e45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #9 0x00007fa7ae637adb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007fa7abf006db in start_thread (arg=0x7fa78f940700) at pthread_create.c:463 #11 0x00007fa7adb9188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fa79ca2a700 (LWP 8419)): #0 0x00007fa7abf069f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fa7ab448110) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x55682e59fe10, cond=0x7fa7ab4480e8) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x7fa7ab4480e8, mutex=0x55682e59fe10) at pthread_cond_wait.c:655 #3 0x00007fa7ae2b679c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #4 0x00007fa7aa75a217 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5 #5 0x00007fa7aa75a359 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5 #6 0x00007fa7ae2bc57f in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #7 0x00007fa7abf006db in start_thread (arg=0x7fa79ca2a700) at pthread_create.c:463 #8 0x00007fa7adb9188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fa7b5943540 (LWP 8418)): [KCrash Handler] #6 0x00007fa7b497935e in Mlt::Consumer::is_stopped() () from /usr/lib/x86_64-linux-gnu/libmlt++.so.3 #7 0x000055682c5d1251 in GLWidget::resetProfile (this=0x55682f07f500, profile=...) at ./src/monitor/glwidget.cpp:1095 #8 0x000055682c5d8008 in Monitor::resetProfile (this=0x5568302b2820, profile=...) at ./src/monitor/monitor.cpp:1481 #9 0x000055682c5e2b6c in MonitorManager::resetProfiles (this=0x55682eed8de0, profile=..., tc=...) at ./src/monitor/monitormanager.cpp:298 #10 0x000055682c34cb74 in KdenliveDoc::updateProjectProfile (this=this@entry=0x5568313d1ad0, reloadProducers=reloadProducers@entry=true) at ./src/doc/kdenlivedoc.cpp:1535 #11 0x000055682c34cd11 in KdenliveDoc::resetProfile (this=0x5568313d1ad0) at ./src/doc/kdenlivedoc.cpp:1548 #12 0x000055682c3b808e in ProjectManager::slotResetProfiles (this=0x55682ecbd750) at ./src/project/projectmanager.cpp:725 #13 0x00007fa7ae83267f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x000055682c517d8a in KdenliveSettingsDialog::updateSettings (this=this@entry=0x556831c946b0) at ./src/dialogs/kdenlivesettingsdialog.cpp:913 #15 0x000055682c5187ad in KdenliveSettingsDialog::updateSettings (this=0x556831c946b0) at ./src/dialogs/kdenlivesettingsdialog.cpp:717 #16 0x00007fa7ae83267f in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007fa7b067efb2 in QAbstractButton::clicked(bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #18 0x00007fa7b067f1ca in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #19 0x00007fa7b06805aa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #20 0x00007fa7b068079d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #21 0x00007fa7b05d8a98 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #22 0x00007fa7b0599e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #23 0x00007fa7b05a1f87 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #24 0x00007fa7ae8034d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #25 0x00007fa7b05a08d2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #26 0x00007fa7b05f3c13 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #27 0x00007fa7b05f6229 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #28 0x00007fa7b0599e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #29 0x00007fa7b05a13ef in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #30 0x00007fa7ae8034d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #31 0x00007fa7aed957bb in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #32 0x00007fa7aed97335 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #33 0x00007fa7aed6ff5b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #34 0x00007fa79b83176b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #35 0x00007fa7ae8017fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #36 0x00007fa7ae80a9c0 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #37 0x000055682c323724 in main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:170