rescale pts/dts for output format

Originally committed as revision 8111 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffserver.c

@@ -2175,6 +2175,14 @@ static int http_prepare_data(HTTPContext *c)
                             /* XXX: potential leak */
                             return -1;
                         }
+                        if (pkt.dts != AV_NOPTS_VALUE)
+                            pkt.dts = av_rescale_q(pkt.dts,
+                                c->fmt_in->streams[pkt.stream_index]->time_base,
+                                ctx->streams[pkt.stream_index]->time_base);
+                        if (pkt.pts != AV_NOPTS_VALUE)
+                            pkt.pts = av_rescale_q(pkt.pts,
+                                c->fmt_in->streams[pkt.stream_index]->time_base,
+                                ctx->streams[pkt.stream_index]->time_base);
                         if (av_write_frame(ctx, &pkt)) {
                             c->state = HTTPSTATE_SEND_DATA_TRAILER;
                         }