Android平台GB28181接入端语音广播和语音对讲规范解读和技术实现

/*
 * SmartPlayerJniV2.java
 * SmartPlayerJniV2
 *
 * WebSite: https://daniusdk.com
 */
  /*++++++++++++++++++RTP Receiver++++++++++++++++++++++*/
  /*
   * 创建RTP Receiver
   *
   * @param reserve：保留参数传0
   *
   * @return RTP Receiver 句柄，0表示失败
   */
  public native long CreateRTPReceiver(int reserve);
  /**
   *设置 RTP Receiver传输协议
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   * @param transport_protocol, 0:UDP, 1:TCP, 默认是UDP
   *
   * @return {0} if successful
   */
  public native int SetRTPReceiverTransportProtocol(long rtp_receiver_handle, int transport_protocol);
  /**
   *设置 RTP Receiver IP地址类型
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   * @param ip_address_type, 0:IPV4, 1:IPV6, 默认是IPV4
   *
   * @return {0} if successful
   */
  public native int SetRTPReceiverIPAddressType(long rtp_receiver_handle, int ip_address_type);
  /**
   *设置 RTP Receiver RTP Socket本地端口
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   * @param port, 必须是偶数，设置0的话SDK会自动分配, 默认值是0
   *
   * @return {0} if successful
   */
  public native int SetRTPReceiverLocalPort(long rtp_receiver_handle, int port);
  /**
   *设置 RTP Receiver SSRC
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   * @param ssrc, 如果设置的话，这个字符串要能转换成uint32类型, 否则设置失败
   *
   * @return {0} if successful
   */
  public native int SetRTPReceiverSSRC(long rtp_receiver_handle, String ssrc);
  /**
   *创建 RTP Receiver 会话
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   * @param reserve, 保留值，目前传0
   *
   * @return {0} if successful
   */
  public native int CreateRTPReceiverSession(long rtp_receiver_handle, int reserve);
  /**
   *获取 RTP Receiver RTP Socket本地端口
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   *
   * @return 失败返回0, 成功的话返回响应的端口, 请在CreateRTPReceiverSession返回成功之后调用
   */
  public native int GetRTPReceiverLocalPort(long rtp_receiver_handle);
  /**
   *设置 RTP Receiver Payload 相关信息
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   *
   * @param payload_type, 请参考 RFC 3551
   *
   * @param encoding_name, 编码名, 请参考 RFC 3551, 如果payload_type不是动态的, 可能传null就好
   *
   * @param media_type, 媒体类型, 请参考 RFC 3551, 1 是视频, 2是音频
   *
   * @param clock_rate, 请参考 RFC 3551
   *
   * @return {0} if successful
   */
  public native int SetRTPReceiverPayloadType(long rtp_receiver_handle, int payload_type, String encoding_name, int media_type, int clock_rate);
  /**
   *设置 RTP Receiver 音频采样率
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   * @param sampling_rate, 音频采样率
   *
   * @return {0} if successful
   */
  public native int SetRTPReceiverAudioSamplingRate(long rtp_receiver_handle, int sampling_rate);
  /**
   *设置 RTP Receiver 音频通道数
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   * @param channels, 音频通道数
   *
   * @return {0} if successful
   */
  public native int SetRTPReceiverAudioChannels(long rtp_receiver_handle, int channels);
  /**
   *设置 RTP Receiver 远端地址
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   * @param address, IP地址
   * @param port, 端口
   *
   * @return {0} if successful
   */
  public native int SetRTPReceiverRemoteAddress(long rtp_receiver_handle, String address, int port);
  /**
   *初始化 RTP Receiver
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   *
   * @return {0} if successful
   */
  public native int InitRTPReceiver(long rtp_receiver_handle);
  /**
   *UnInit RTP Receiver
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   *
   * @return {0} if successful
   */
  public native int UnInitRTPReceiver(long rtp_receiver_handle);
  /**
   *Destory RTP Receiver Session
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   *
   * @return {0} if successful
   */
  public native int DestoryRTPReceiverSession(long rtp_receiver_handle);
  /**
   *Destory RTP Receiver
   *
   * @param rtp_receiver_handle, CreateRTPReceiver
   *
   * @return {0} if successful
   */
  public native int DestoryRTPReceiver(long rtp_receiver_handle);
  /*++++++++++++++++++RTP Receiver++++++++++++++++++++++*/