libavformat/rtsp.c:1281: error: Integer Overflow L1
  (9223372036854775808 × 9223372036854775808):signed64 by call to `av_rescale_q`.

libavformat/rtsp.c:1278:21: Assignment
1276.                 if (reply->range_start != AV_NOPTS_VALUE) {
1277.                     rtpctx->last_rtcp_ntp_time  = AV_NOPTS_VALUE;
1278.                     rtpctx->first_rtcp_ntp_time = AV_NOPTS_VALUE;
                          ^
1279.                     if (st)
1280.                         rtpctx->range_start_offset =

libavformat/rtsp.c:1281:29: Call
1279.                     if (st)
1280.                         rtpctx->range_start_offset =
1281.                             av_rescale_q(reply->range_start, AV_TIME_BASE_Q,
                                  ^
1282.                                          st->time_base);
1283.                 }

libavutil/mathematics.c:133:1: <LHS trace>
131. }
132. 
133. int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq){
     ^
134.     int64_t b= bq.num * (int64_t)cq.den;
135.     int64_t c= cq.num * (int64_t)bq.den;

libavutil/mathematics.c:133:1: Parameter `bq.num`
  131. }
  132. 
  133. int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq){
       ^
  134.     int64_t b= bq.num * (int64_t)cq.den;
  135.     int64_t c= cq.num * (int64_t)bq.den;

libavutil/mathematics.c:133:1: <RHS trace>
131. }
132. 
133. int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq){
     ^
134.     int64_t b= bq.num * (int64_t)cq.den;
135.     int64_t c= cq.num * (int64_t)bq.den;

libavutil/mathematics.c:133:1: Parameter `cq.den`
  131. }
  132. 
  133. int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq){
       ^
  134.     int64_t b= bq.num * (int64_t)cq.den;
  135.     int64_t c= cq.num * (int64_t)bq.den;

libavutil/mathematics.c:134:5: Binary operation: (9223372036854775808 × 9223372036854775808):signed64 by call to `av_rescale_q` 
  132. 
  133. int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq){
  134.     int64_t b= bq.num * (int64_t)cq.den;
           ^
  135.     int64_t c= cq.num * (int64_t)bq.den;
  136.     return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF);
