v4l2_format_update  125 libavcodec/v4l2_context.c static inline void v4l2_save_to_context(V4L2Context* ctx, struct v4l2_format_update *fmt)
v4l2_format_update  678 libavcodec/v4l2_context.c     struct v4l2_format_update fmt = { 0 };