In mpegts muxer, print VBR instead of dummy 1 when displaying muxrate

Originally committed as revision 24125 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/mpegtsenc.c

@@ -510,13 +510,15 @@ static int mpegts_write_header(AVFormatContext *s)
     ts->pat_packet_count = ts->pat_packet_period-1;
     ts->sdt_packet_count = ts->sdt_packet_period-1;
 
-    av_log(s, AV_LOG_INFO,
-           "muxrate %d bps, pcr every %d pkts, "
+    if (ts->mux_rate == 1)
+        av_log(s, AV_LOG_INFO, "muxrate VBR, ");
+    else
+        av_log(s, AV_LOG_INFO, "muxrate %d, ", ts->mux_rate);
+    av_log(s, AV_LOG_INFO, "pcr every %d pkts, "
            "sdt every %d, pat/pmt every %d pkts\n",
-           ts->mux_rate, service->pcr_packet_period,
+           service->pcr_packet_period,
            ts->sdt_packet_period, ts->pat_packet_period);
 
-
     put_flush_packet(s->pb);
 
     return 0;