Resolve FFmpeg execution time is too long in avformat_find_stream_info

Use FFmpeg to do Demux, many reference articles on the Internet. For network flow, the Avformt_find_stream_info () function takes a long time for streaming format detection by default.
So, how to reduce the detection time. You can adjust by setting the Probesize and Max_analyze_duration properties of Avfotmatcontext:

... if (Avformat_open_input (& Handle->pformatcontext), "" ", Handle->pinputformat, NULL) < 0) {         Av_free (Handle->inputbuffer);         *errorcode =-4;     return FALSE; } (Handle->fpstate) (handle, 51);
    avdictionary* poptions = NULL;      handle->pformatcontext->probesize = 100 *1024;     handle->pformatcontext->max_analyze_duration = 5 * av_time_base;     if (Avformat_find_stream_info (Handle->pformatcontext, &pOptions) < 0)  {        &nbsp of the ....          return FALSE;     }      ........