Jun 10, 2021, 03:38 by wenbin.c...@intel.com: >> Jun 8, 2021, 07:38 by wenbin.c...@intel.com: >> >> >> Apr 29, 2021, 03:52 by d...@lynne.ee: >> >> >> >> > This patch allows for alternative loader implementations. >> >> > >> >> > Patch attached. >> >> > >> >> >> >> Forgot to fix a flag, v2 attached. >> >> >> > >> > Hi Lynne: >> > I tried the following command: >> > "ffmpeg -init_hw_device vulkan=vul:0 -filter_hw_device vul -i 1080p.264 -vf >> "hwupload=extra_hw_frames=16,scale_vulkan=w=1920:h1080" -f null" >> > It report a segmentation fault at >> https://github.com/FFmpeg/FFmpeg/blob/282b9f4cba7ca361c43ac9f94031a >> 43109df0a4f/libavutil/hwcontext_vulkan.c#L1018 >> > The function pointer vk->CreateCommandPool is NULL. >> > I build on ffmpeg master. >> > >> >> Weird. What Vulkan drivers and what OS was used? >> If CreateCommandPool is NULL then initialization probably >> wouldn't even happen. >> > > I use linux ubuntu 20.04 and I get the vulkan driver from: > https://www.lunarg.com/vulkan-sdk/. > I see the load_functions() is called three times, but none of them set > "has_dev" argument to 1. > I tried to change the code in > https://github.com/FFmpeg/FFmpeg/blob/591b88e6787c4e678237f02a50421d101abd25c2/libavutil/hwcontext_vulkan.c#L1352 > to "load_functions(ctx, 1, 1)". The problem is unseen. >
Thanks for testing, fix pushed. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
