avformat/mpegts: Avoid float in bitrate calculation

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/mpegts.c

@@ -2576,7 +2576,7 @@ static int mpegts_read_header(AVFormatContext *s)
         /* NOTE2: it is only the bitrate of the start of the stream */
         ts->pcr_incr = (pcrs[1] - pcrs[0]) / (packet_count[1] - packet_count[0]);
         ts->cur_pcr  = pcrs[0] - ts->pcr_incr * packet_count[0];
-        s->bit_rate  = TS_PACKET_SIZE * 8 * 27e6 / ts->pcr_incr;
+        s->bit_rate  = TS_PACKET_SIZE * 8 * 27000000LL / ts->pcr_incr;
         st->codec->bit_rate = s->bit_rate;
         st->start_time      = ts->cur_pcr;
         av_log(ts->stream, AV_LOG_TRACE, "start=%0.3f pcr=%0.3f incr=%d\n",