init_stage 138 libavfilter/vf_scale_cuda.c static av_cold int init_stage(CUDAScaleContext *s, AVBufferRef *device_ctx) init_stage 156 libavfilter/vf_scale_npp.c static int init_stage(NPPScaleStageContext *stage, AVBufferRef *device_ctx) init_stage 124 libavfilter/vf_transpose_npp.c static int init_stage(NPPTransposeStageContext *stage, AVBufferRef *device_ctx)