KDEnlive, x264 и предпросмотр

KDENLIVE_RENDER_LOG=1 kdenlive

KDENLIVE_RENDER_LOG=1 kdenlive
QWidget::insertAction: Attempt to insert null action
QWidget::insertAction: Attempt to insert null action
kdenlive(32229)/kdecore (trader) KServiceTypeTrader::defaultOffers: KServiceTypeTrader: serviceType  "ThumbCreator"  not found 
kdenlive(32229)/kdecore (trader) KServiceTypeTrader::defaultOffers: KServiceTypeTrader: serviceType  "ThumbCreator"  not found 
kdenlive(32229)/kdecore (K*TimeZone*): KSystemTimeZones: ktimezoned initialize() D-Bus call failed:  "No such object path '/modules/ktimezoned'" 

kdenlive(32229)/kdecore (K*TimeZone*): No time zone information obtained from ktimezoned 
kdenlive(32229)/kdecore (trader) KServiceTypeTrader::defaultOffers: KServiceTypeTrader: serviceType  "ThumbCreator"  not found 
kdenlive(32229)/kdecore (trader) KServiceTypeTrader::defaultOffers: KServiceTypeTrader: serviceType  "ThumbCreator"  not found 
ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred
[avi @ 0x8883bb0] max_analyze_duration 5000000 reached at 5015510
[avi @ 0x8988530] max_analyze_duration 5000000 reached at 5015510
[avi @ 0x95dc3c0] max_analyze_duration 5000000 reached at 5015510
[avi @ 0x8988530] max_analyze_duration 5000000 reached at 5015510
[avi @ 0x96a61e0] max_analyze_duration 5000000 reached at 5015510
[avi @ 0x95dc3c0] max_analyze_duration 5000000 reached at 5015510
"VDPAU failed to initialize decoder (An invalid/unsupported VdpDecoderProfile value was supplied.)" 
kdenlive(32229): Couldn't start knotify from knotify4.desktop:  "Не удалось найти службу «knotify4.desktop»." 

[h264 @ 0x96a1ad0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x96a1ad0] decode_slice_header error
[h264 @ 0x96a1ad0] no frame!
[h264 @ 0x8883bb0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x8883bb0] decode_slice_header error
[h264 @ 0x8883bb0] no frame!
[h264 @ 0x95c81a0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x95c81a0] decode_slice_header error
[h264 @ 0x95c81a0] no frame!
[h264 @ 0x96a1ad0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x96a1ad0] decode_slice_header error
[h264 @ 0x96a1ad0] no frame!
[h264 @ 0x8883bb0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x8883bb0] decode_slice_header error
[h264 @ 0x8883bb0] no frame!
[h264 @ 0x95c81a0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x95c81a0] decode_slice_header error
[h264 @ 0x95c81a0] no frame!
[h264 @ 0x96a1ad0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x96a1ad0] decode_slice_header error
[h264 @ 0x96a1ad0] no frame!
kdenlive(32229)/kdeui (KNotification) KNotification::slotReceivedIdError: Error while contacting notify daemon "The name org.kde.knotify was not provided by any .service files" 
[h264 @ 0x8883bb0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x8883bb0] decode_slice_header error
[h264 @ 0x8883bb0] no frame!
[h264 @ 0x95c81a0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x95c81a0] decode_slice_header error
[h264 @ 0x95c81a0] no frame!
[h264 @ 0x96a1ad0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x96a1ad0] decode_slice_header error
[h264 @ 0x96a1ad0] no frame!
[h264 @ 0x8883bb0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x8883bb0] decode_slice_header error
[h264 @ 0x8883bb0] no frame!
[h264 @ 0x95c81a0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x95c81a0] decode_slice_header error
[h264 @ 0x95c81a0] no frame!
[h264 @ 0x96a1ad0] get_buffer() failed (-1 0 (nil))
[h264 @ 0x96a1ad0] decode_slice_header error
[h264 @ 0x96a1ad0] no frame!
[swscaler @ 0x9b8bca0] Warning: data is not aligned! This can lead to a speedloss
ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred
kdenlive(32229) Render::checkMaxThreads: // TRACTOR PROBLEM 
[avi @ 0x9720200] max_analyze_duration 5000000 reached at 5015510
[avi @ 0x9566770] max_analyze_duration 5000000 reached at 5015510
[avi @ 0x9efe480] max_analyze_duration 5000000 reached at 5015510