Jun 10, 2021, 12:27 by d...@lynne.ee: > 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. >
Out of curiosity, are you planning on contributing to the Vulkan code? _______________________________________________ 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".
