https://bugs.kde.org/show_bug.cgi?id=358727

            Bug ID: 358727
           Summary: Git master 2016-01-26 - Segfault on video seek with
                    movit installed
           Product: kdenlive
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: User Interface
          Assignee: j...@kdenlive.org
          Reporter: evert.vors...@yandex.com

I am using nouveau driver and the latest stable movit library on nvidia
chipset. 
When I enable hardware decoding on playback, kdenlive crashes whenever one
seeks in a video, be it in the clip monitor or project monitor.

I will try again with nvidia's drivers, to see if it is in the driver or in
kdenlive code. 

Also, thumbnails that are generated are corrupt.

Reproducible: Always

Steps to Reproduce:
1. Enable movit
2. load a video
3. seek to a frame in video

Actual Results:  
Segfault

Expected Results:  
Hardware accelerated video decode

Backtrace:

Starting program: /usr/bin/kdenlive 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffe302b700 (LWP 2229)]
[New Thread 0x7fffc3a08700 (LWP 2230)]
[New Thread 0x7fffbd563700 (LWP 2231)]
[New Thread 0x7fffb7fff700 (LWP 2232)]
Trying to convert empty KLocalizedString to QString.
Removing cache at "/home/evert/.cache/kdenlive-thumbs.kcache"
[New Thread 0x7fffb5eb2700 (LWP 2234)]
[New Thread 0x7fffb56b1700 (LWP 2235)]
0x1c32330 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c32b10 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c32b10 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c32330 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe5f290 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c32330 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c32b10 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe5fb70 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c32330 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe5f290 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe5fb70 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c32330 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe5f290 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe5fb70 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3b670 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3b1f0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c627a0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3cd70 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3d280 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3d810 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3c900 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c7bf50 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3bb30 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3cd70 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3d280 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3d810 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c7bf50 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3c900 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c627a0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x2428200 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x242b150 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x242ac50 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1ee56c0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1ee62c0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24653e0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1e03f00 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x28a1410 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x28a3c20 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1edd960 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c32330 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x2499890 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x249be20 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24a6350 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24a5da0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24a2db0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x249d540 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x249e690 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x249f660 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24d6250 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1093bf0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24aa070 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x2490d30 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x2499890 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x249be20 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24a6350 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24a5da0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24a2db0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x249d540 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x249e690 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x249f660 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x24d6250 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x249ff30 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x2857020 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x28acf40 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1091890 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x169e900 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x169be00 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe5a870 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe5ead0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c32330 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe594c0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe5dfa0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0xe598b0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x28af7e0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x2428200 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x242b150 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x242ac50 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1ee56c0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1ee62c0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x28a1410 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1edd960 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3b670 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c627a0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3c900 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1c7bf50 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3d810 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x1d3d280 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x28a3c20 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x27cf3f0 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbee30) ): Attempt to set a screen on a child window.
0x28a1410 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbe330) ): Attempt to set a screen on a child window.
0x28a3c20 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) (
QScreen(0xbbe330) ): Attempt to set a screen on a child window.
KSambaShare: Could not find smb.conf!
[New Thread 0x7fffa77a3700 (LWP 2239)]
[New Thread 0x7fffa6fa2700 (LWP 2240)]
[New Thread 0x7fffa67a1700 (LWP 2241)]
[New Thread 0x7fffa5fa0700 (LWP 2242)]
[New Thread 0x7fffa579f700 (LWP 2243)]
[New Thread 0x7fffa4f9e700 (LWP 2244)]
[New Thread 0x7fff9ffff700 (LWP 2245)]
[New Thread 0x7fff9f7fe700 (LWP 2246)]
[New Thread 0x7fff9effd700 (LWP 2247)]
[New Thread 0x7fff9e7fc700 (LWP 2248)]
[New Thread 0x7fff9dffb700 (LWP 2249)]
[New Thread 0x7fff9d7fa700 (LWP 2250)]
[New Thread 0x7fff9cff9700 (LWP 2251)]
[New Thread 0x7fff9c7f8700 (LWP 2252)]
[New Thread 0x7fff9bff7700 (LWP 2253)]
[New Thread 0x7fff9b7f6700 (LWP 2254)]
[New Thread 0x7fff9aff5700 (LWP 2255)]
[New Thread 0x7fff9a7f4700 (LWP 2256)]
[New Thread 0x7fff99ff3700 (LWP 2257)]
[Thread 0x7fff9d7fa700 (LWP 2250) exited]
[Thread 0x7fff9dffb700 (LWP 2249) exited]
[Thread 0x7fff9c7f8700 (LWP 2252) exited]
[Thread 0x7fff9bff7700 (LWP 2253) exited]
[Thread 0x7fff9cff9700 (LWP 2251) exited]
[Thread 0x7fff9b7f6700 (LWP 2254) exited]
[Thread 0x7fff9aff5700 (LWP 2255) exited]
[Thread 0x7fff9a7f4700 (LWP 2256) exited]
[Thread 0x7fff99ff3700 (LWP 2257) exited]
[New Thread 0x7fff99ff3700 (LWP 2258)]
[New Thread 0x7fff9a7f4700 (LWP 2259)]
"Creating audio thumbnails (1/1)"
[New Thread 0x7fff9aff5700 (LWP 2322)]
[New Thread 0x7fff9b7f6700 (LWP 2323)]
[New Thread 0x7fff9dffb700 (LWP 2324)]
[New Thread 0x7fff9d7fa700 (LWP 2325)]
[New Thread 0x7fff9cff9700 (LWP 2326)]
[New Thread 0x7fff9c7f8700 (LWP 2327)]
[New Thread 0x7fff9bff7700 (LWP 2328)]
[New Thread 0x7fff737fe700 (LWP 2329)]
[New Thread 0x7fff72ffd700 (LWP 2330)]
[swscaler @ 0x7fff746f54e0] Warning: data is not aligned! This can lead to a
speedloss
[filter avcolor_space] Invalid format glsl
[filter avcolor_space] Invalid format glsl
[Thread 0x7fffa6fa2700 (LWP 2240) exited]
[Thread 0x7fffa67a1700 (LWP 2241) exited]
[Thread 0x7fffa5fa0700 (LWP 2242) exited]
[Thread 0x7fffa579f700 (LWP 2243) exited]
[Thread 0x7fffa4f9e700 (LWP 2244) exited]
[Thread 0x7fff9f7fe700 (LWP 2246) exited]
[Thread 0x7fff9effd700 (LWP 2247) exited]
[Thread 0x7fff9ffff700 (LWP 2245) exited]
[Thread 0x7fff9e7fc700 (LWP 2248) exited]
"Creating audio thumbnails (1/1)"
[New Thread 0x7fff9e7fc700 (LWP 2331)]
[Thread 0x7fff9e7fc700 (LWP 2331) exited]
[New Thread 0x7fff9e7fc700 (LWP 2332)]
[New Thread 0x7fff9effd700 (LWP 2333)]
[New Thread 0x7fff9f7fe700 (LWP 2334)]
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37152, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37166, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37229, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37278, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37327, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37376, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37425, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37474, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37524, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37573, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37622, resource id:
10489315, major code: 130 (Unknown), minor code: 3
QXcbConnection: XCB error: 8 (BadMatch), sequence: 37671, resource id:
10489315, major code: 130 (Unknown), minor code: 3
[New Thread 0x7fff9ffff700 (LWP 2335)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff9effd700 (LWP 2333)]
0x00007fffe07bd129 in ?? () from /usr/lib/xorg/modules/dri/nouveau_dri.so
(gdb) thread apply all bt

Thread 42 (Thread 0x7fff9ffff700 (LWP 2335)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffc300150d in ?? () from /usr/lib/mlt/libmltsdl.so
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 41 (Thread 0x7fff9f7fe700 (LWP 2334)):
#0  0x00007ffff10fc251 in ppoll () from /usr/lib/libc.so.6
#1  0x00007fffebe348ad in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#2  0x00007fffebe34e9e in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#3  0x00007fffc2d97eed in ?? () from /usr/lib/libSDL-1.2.so.0
#4  0x00007fffc2d6b800 in ?? () from /usr/lib/libSDL-1.2.so.0
#5  0x00007fffc2d73fe8 in ?? () from /usr/lib/libSDL-1.2.so.0
#6  0x00007fffc2db58a9 in ?? () from /usr/lib/libSDL-1.2.so.0
#7  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 40 (Thread 0x7fff9effd700 (LWP 2333)):
#0  0x00007fffe07bd129 in ?? () from /usr/lib/xorg/modules/dri/nouveau_dri.so
#1  0x00007fffe07bd37e in ?? () from /usr/lib/xorg/modules/dri/nouveau_dri.so
#2  0x00007fffe07bd6a3 in ?? () from /usr/lib/xorg/modules/dri/nouveau_dri.so
#3  0x00007fffe058581f in ?? () from /usr/lib/xorg/modules/dri/nouveau_dri.so
#4  0x00007fffe0508eac in ?? () from /usr/lib/xorg/modules/dri/nouveau_dri.so
#5  0x00007fffd89fa9be in
GlslManager::render_frame_texture(movit::EffectChain*, mlt_frame_s*, int, int,
unsigned char**) () from /usr/lib/mlt/libmltopengl.so
#6  0x00007fffd89fd990 in ?? () from /usr/lib/mlt/libmltopengl.so
#7  0x00007ffff6d92068 in mlt_frame_get_image () from /usr/lib/libmlt.so.6
#8  0x00007ffff6da5590 in ?? () from /usr/lib/libmlt.so.6
#9  0x00000000006ce24d in ?? ()
#10 0x00007ffff1ae5b8e in ?? () from /usr/lib/libQt5Core.so.5
#11 0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 39 (Thread 0x7fff9e7fc700 (LWP 2332)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffc3001f7f in ?? () from /usr/lib/mlt/libmltsdl.so
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 37 (Thread 0x7fff72ffd700 (LWP 2330)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffcb6969ee in ?? () from /usr/lib/libavcodec.so.56
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 36 (Thread 0x7fff737fe700 (LWP 2329)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#1  0x00007fffcb6969ee in ?? () from /usr/lib/libavcodec.so.56
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 35 (Thread 0x7fff9bff7700 (LWP 2328)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffcb6969ee in ?? () from /usr/lib/libavcodec.so.56
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 34 (Thread 0x7fff9c7f8700 (LWP 2327)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffcb6969ee in ?? () from /usr/lib/libavcodec.so.56
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 33 (Thread 0x7fff9cff9700 (LWP 2326)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffcb6969ee in ?? () from /usr/lib/libavcodec.so.56
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 32 (Thread 0x7fff9d7fa700 (LWP 2325)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffcb6969ee in ?? () from /usr/lib/libavcodec.so.56
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 31 (Thread 0x7fff9dffb700 (LWP 2324)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffcb6969ee in ?? () from /usr/lib/libavcodec.so.56
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 30 (Thread 0x7fff9b7f6700 (LWP 2323)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffcb6969ee in ?? () from /usr/lib/libavcodec.so.56
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 29 (Thread 0x7fff9aff5700 (LWP 2322)):
#0  0x00007fffefaba07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fffcb6969ee in ?? () from /usr/lib/libavcodec.so.56
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 28 (Thread 0x7fff9a7f4700 (LWP 2259)):
#0  0x00007fffefaba428 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#1  0x00007ffff1ae6d66 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#2  0x00007ffff1ae2813 in ?? () from /usr/lib/libQt5Core.so.5
#3  0x00007ffff1ae5b8e in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#5  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 27 (Thread 0x7fff99ff3700 (LWP 2258)):
#0  0x00007fffefaba428 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007ffff1ae6d66 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#2  0x00007ffff1ae2813 in ?? () from /usr/lib/libQt5Core.so.5
#3  0x00007ffff1ae5b8e in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#5  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7fffa77a3700 (LWP 2239)):
#0  0x00007fffefaba428 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007ffff1ae6d66 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#2  0x00007ffff1ae2813 in ?? () from /usr/lib/libQt5Core.so.5
#3  0x00007ffff1ae5b8e in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#5  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7fffb56b1700 (LWP 2235)):
#0  0x00007ffff10fc18d in poll () from /usr/lib/libc.so.6
#1  0x00007fffee02cfbc in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fffee02d0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007ffff1d1d56b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#4  0x00007ffff1cc457a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#5  0x00007ffff1ae0be4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007ffff1ae5b8e in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7fffb5eb2700 (LWP 2234)):
#0  0x00007ffff10fc18d in poll () from /usr/lib/libc.so.6
#1  0x00007fffee02cfbc in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fffee02d0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007ffff1d1d54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#4  0x00007ffff1cc457a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#5  0x00007ffff1ae0be4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007ffff1ae5b8e in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

---Type <return> to continue, or q <return> to quit---
Thread 5 (Thread 0x7fffb7fff700 (LWP 2232)):
#0  0x00007ffff10fc18d in poll () from /usr/lib/libc.so.6
#1  0x00007fffee02cfbc in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fffee02d0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007ffff1d1d54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#4  0x00007ffff1cc457a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#5  0x00007ffff1ae0be4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007ffff288e055 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007ffff1ae5b8e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7fffbd563700 (LWP 2231)):
#0  0x00007ffff10fc18d in poll () from /usr/lib/libc.so.6
#1  0x00007fffee02cfbc in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fffee02d0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007ffff1d1d54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#4  0x00007ffff1cc457a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#5  0x00007ffff1ae0be4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007ffff288e055 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007ffff1ae5b8e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7fffc3a08700 (LWP 2230)):
#0  0x00007ffff10fc18d in poll () from /usr/lib/libc.so.6
#1  0x00007fffc95a3cbc in ?? () from /usr/lib/libusb-1.0.so.0
#2  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#3  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7fffe302b700 (LWP 2229)):
#0  0x00007ffff10fc18d in poll () from /usr/lib/libc.so.6
#1  0x00007fffeb9f1ae2 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007fffeb9f3757 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007fffe4746379 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007ffff1ae5b8e in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fffefab44a4 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007ffff110513d in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7ffff7e40800 (LWP 2228)):
#0  0x00007ffff3a6011c in ?? () from /usr/lib/libKF5WidgetsAddons.so.5
#1  0x00007ffff3a60fa2 in ?? () from /usr/lib/libKF5WidgetsAddons.so.5
#2  0x00007ffff505b593 in ?? () from /usr/lib/libKF5XmlGui.so.5
#3  0x00007ffff505bf1e in ?? () from /usr/lib/libKF5XmlGui.so.5
---Type <return> to continue, or q <return> to quit---
#4  0x00007ffff1cf531a in QMetaObject::activate(QObject*, int, int, void**) ()
   from /usr/lib/libQt5Core.so.5
#5  0x00007ffff1d02238 in QTimer::timerEvent(QTimerEvent*) () from
/usr/lib/libQt5Core.so.5
#6  0x00007ffff1cf6193 in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#7  0x00007ffff32919ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
()
   from /usr/lib/libQt5Widgets.so.5
#8  0x00007ffff3296e86 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#9  0x00007ffff1cc6bab in QCoreApplication::notifyInternal(QObject*, QEvent*)
()
   from /usr/lib/libQt5Core.so.5
#10 0x00007ffff1d1c36d in QTimerInfoList::activateTimers() () from
/usr/lib/libQt5Core.so.5
#11 0x00007ffff1d1c871 in ?? () from /usr/lib/libQt5Core.so.5
#12 0x00007fffee02cdc7 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#13 0x00007fffee02d020 in ?? () from /usr/lib/libglib-2.0.so.0
#14 0x00007fffee02d0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#15 0x00007ffff1d1d54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#16 0x00007ffff1cc457a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQt5Core.so.5
#17 0x00007ffff1ccc53c in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#18 0x00000000004664e2 in ?? ()
#19 0x00007ffff103c610 in __libc_start_main () from /usr/lib/libc.so.6
#20 0x0000000000466b39 in _start ()
(gdb)

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