去除ssrc作为流ID传递，ssrc只作为sdp消息使用。动态端口的情况下支持固定流地址，同时支持未点播时直接播放流地址，代码自动发起点播

panlinlin

2020-12-19 b0080159d98cd441175ddaf90a77d30b8264003d

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/request/impl/MessageRequestProcessor.java

@@ -450,7 +450,7 @@
            StreamInfo streamInfo = storager.queryPlaybackByDevice(deviceId, "*");

            if (streamInfo != null) {

               storager.stopPlayback(streamInfo);

               cmder.streamByeCmd(streamInfo.getSsrc());

               cmder.streamByeCmd(streamInfo.getStreamId());

            }

         }

      } catch (ParseException | SipException | InvalidArgumentException | DocumentException e) {