opencl_get_device_string 262 libavutil/hwcontext_opencl.c str = opencl_get_device_string(device_id, opencl_get_device_string 444 libavutil/hwcontext_opencl.c str = opencl_get_device_string(device_id, opencl_get_device_string 551 libavutil/hwcontext_opencl.c device_name_src = opencl_get_device_string(devices[d],