-int av_probe_input_buffer2(AVIOContext *pb, AVInputFormat **fmt,
- const char *filename, void *logctx,
- unsigned int offset, unsigned int max_probe_size)
+int av_probe_input_buffer2(AVIOContext *pb, const AVInputFormat **fmt,
+ const char *filename, void *logctx,
+ unsigned int offset, unsigned int max_probe_size)