Function ts_warn_helper

libhb/stream.c:303–328

* logging routines. * these frontend hb_log because transport streams can have a lot of errors * so we want to rate limit messages. this routine limits the number of * messages to at most one per minute of video. other errors that occur * during the minute are counted & the count is output with the next * error msg we print. */

 * error msg we print.
 */
static void ts_warn_helper( hb_stream_t *stream, char *log, va_list args )
{
    // limit error printing to at most one per minute of video (at 30fps)
    ++stream->errors;
    if ( stream->frames - stream->last_error_frame >= 30*60 )
    {
        char msg[256];

        vsnprintf( msg, sizeof(msg), log, args );

        if ( stream->errors - stream->last_error_count < 10 )
        {
            hb_log( "stream: error near frame %d: %s", stream->frames, msg );
        }
        else
        {
            int Edelta = stream->errors - stream->last_error_count;
            double Epcnt = (double)Edelta * 100. /
                            (stream->frames - stream->last_error_frame);
            hb_log( "stream: %d new errors (%.0f%%) up to frame %d: %s",
                    Edelta, Epcnt, stream->frames, msg );
        }
        stream->last_error_frame = stream->frames;
        stream->last_error_count = stream->errors;
    }
}

static void ts_warn( hb_stream_t*, char*, ... ) HB_WPRINTF(2,3);
static void ts_err( hb_stream_t*, int, char*, ... ) HB_WPRINTF(3,4);