I got various crashes with Kdenlive

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$ kdenlive -v
Qt: 4.8.7
Piattaforma di sviluppo KDE: 4.14.10
Kdenlive: 0.9.10


I am on Chakra system and with mlt 0.9.8-1Kdenlive even doesn't start.
Only with mlt-git 20150810-2 Kdenlive can start, but as soon as I add a clip to the project, it crash.

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[h264 @ 0x7feb0c04e7e0] Could not find an AVHWAccel for the pixel format: vdpau_h264Assertion choices[n] != AV_PIX_FMT_NONE failed at libavcodec/utils.c:122

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$ vainfo
libva info: VA-API version 0.37.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'vdpau'
libva info: Trying to open /usr/lib/dri/vdpau_drv_video.so
libva info: Found init function __vaDriverInit_0_34
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.37 (libva 1.5.0)
vainfo: Driver version: Splitted-Desktop Systems VDPAU backend for VA-API - 0.7.4
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD


My video card is

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$ lspci | grep VGA
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV516 [Radeon X1300/X1550 Series]


Other Chakra users solved this problems installing mlt-git. For me it works only partially, maybe because I have a different video card.
I try also with Kdenlive 15.04-git but without results.
Also with Openshot I got the same problem and the same error message.

Anyone can help me

massiant70 wrote:

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$ vainfo
libva info: VA-API version 0.37.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'vdpau'
libva info: Trying to open /usr/lib/dri/vdpau_drv_video.so
libva info: Found init function __vaDriverInit_0_34
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.37 (libva 1.5.0)
vainfo: Driver version: Splitted-Desktop Systems VDPAU backend for VA-API - 0.7.4
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD


My video card is

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$ lspci | grep VGA
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV516 [Radeon X1300/X1550 Series]


You are using vdpau_drv_video which redirects VA-API to VDPAU, and is only really intended for nvidia cards.
Uninstall vdpau-video or similar and it should work.

YESSS YESS YESS !!!

I am really stupid !!!

Thank U so much !!! I was going crazy !!!

Thanks !!!