I get a segfault when trying it with a video  file and an audio file:


QWidget::insertAction: Attempt to insert null action
QWidget::insertAction: Attempt to insert null action
"/org/freedesktop/UDisks2/drives/SAMSUNG_HD103SJ_S246J9CB127043" : property "Drive" does not exist
"/org/freedesktop/UDisks2/drives/Optiarc_DVD_RW_AD_5260S" : property "Drive" does not exist
Advanced probing on /dev/sr1 failed while reading block size
kdenlive(29542) KSambaSharePrivate::testparmParamValue: We got some errors while running testparm "Load smb config files from /etc/samba/smb.conf
Error loading services.
"
kdenlive(29542) KSambaSharePrivate::findSmbConf: KSambaShare: Could not find smb.conf!
"/org/freedesktop/UDisks2/drives/SAMSUNG_HD103SJ_S246J9CB127043" : property "DeviceNumber" does not exist
"/org/freedesktop/UDisks2/drives/SAMSUNG_HD103SJ_S246J9CB127043" : property "Device" does not exist
"/org/freedesktop/UDisks2/drives/Optiarc_DVD_RW_AD_5260S" : property "DeviceNumber" does not exist
"/org/freedesktop/UDisks2/drives/Optiarc_DVD_RW_AD_5260S" : property "Device" does not exist
[wav @ 0x7f41ac008920] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x7f41ac009f60] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x7f41ac0d3a40] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x7f41ac0d56a0] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x3880360] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x37c7a80] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x37f3260] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x37e5920] max_analyze_duration 5000000 reached at 5015510 microseconds
kdenlive(29542)/kio (KDirModel) KDirModelPrivate::_k_slotDeleteItems: No node found for item that was just removed: KUrl("f[...]")
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
[swscaler @ 0x7f41a2ce81a0] Warning: data is not aligned! This can lead to a speedloss
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
[wav @ 0x4492800] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x3fc0300] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x3beb200] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x3bfd680] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x3fa5540] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x3bd2e60] max_analyze_duration 5000000 reached at 5015510 microseconds
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
[wav @ 0x7f416924af60] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x7f416851fe80] max_analyze_duration 5000000 reached at 5015510 microseconds
Loading envelope ...
Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
Calculating the envelope (93178 frames) took 21210 ms.
[wav @ 0x49aad60] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x49ab6e0] max_analyze_duration 5000000 reached at 5015510 microseconds
Loading envelope ...
[wav @ 0x44339a0] max_analyze_duration 5000000 reached at 5015510 microseconds
[wav @ 0x49c8100] max_analyze_duration 5000000 reached at 5015510 microseconds
Calculating the envelope (191787 frames) took 19792 ms.
[1]    29542 segmentation fault (core dumped)  kdenlive



The video file (mediainfo):
General
Complete name                            : [..]
Format                                   : MPEG-4
Format profile                           : JVT
Codec ID                                 : avc1
File size                                : 1.04 GiB
Duration                                 : 18mn 29s
Overall bit rate                         : 8 065 Kbps
Encoded date                             : UTC 2008-01-01 00:52:21
Tagged date                              : UTC 2008-01-01 00:52:21
AMBA                                     : 


Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Main@L4.1
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 4 frames
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 18mn 29s
Bit rate mode                            : Variable
Bit rate                                 : 7 930 Kbps
Width                                    : 1 440 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 29.970 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.170
Stream size                              : 1.02 GiB (98%)
Title                                    : Ambarella AVC
Language                                 : English
Encoded date                             : UTC 2008-01-01 00:52:21
Tagged date                              : UTC 2008-01-01 00:52:21
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 18mn 28s
Bit rate mode                            : Constant
Bit rate                                 : 128 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Stream size                              : 16.9 MiB (2%)
Title                                    : Ambarella AAC
Language                                 : English
Encoded date                             : UTC 2008-01-01 00:52:21
Tagged date                              : UTC 2008-01-01 00:52:21


The audio file: (mediainfo)
General
Complete name                            : ~
Format                                   : Wave
File size                                : 1.05 GiB
Duration                                 : 1h 46mn
Overall bit rate mode                    : Constant
Overall bit rate                         : 1 411 Kbps
Producer                                 : TASCAM Linear PCM Recoder DR-05
Encoded date                             : 2012-01-16 22:52:39

Audio
Format                                   : PCM
Format settings, Endianness              : Little
Format settings, Sign                    : Signed
Codec ID                                 : 1
Duration                                 : 1h 46mn
Bit rate mode                            : Constant
Bit rate                                 : 1 411.2 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 44.1 KHz
Bit depth                                : 16 bits
Stream size                              : 1.05 GiB (100%)


running on Arch 64 bit.