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Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台

Lotus2022-10-06 19:05技术

好多开发者有这样的诉求，想把本地录制的MP4文件，以实时流数据的形式，推送到RTMP服务器，注入轻量级RTSP服务，或者对接到GB28181平台，这块前几年我们就有对接。

本次以MediaExtractor为例，先利用MediaExtractor，把mp4文件的音视频数据分离，然后调用我们publisher模块，实现编码后的数据对接到RTMP服务器、轻量级RTSP服务或GB28181平台即可，废话不多说，上代码，由于实例代码比较简单，不再赘述用法：

/*
* SmartPublisherActivity.java
* Github: https://github.com/daniulive/SmarterStreaming
*/  
private void InitMediaExtractor(){
File mFile = new File("/storage/emulated/0/","2022.mp4");

if (!mFile.exists()){
Log.e(TAG, "mp4文件不存在");
return;
    }

MediaExtractor mediaExtractor = new MediaExtractor();
try {
mediaExtractor.setDataSource(mFile.getAbsolutePath());
    } catch (IOException e) {
e.printStackTrace();
    }

int count = mediaExtractor.getTrackCount();//获取轨道数量
Log.e(TAG, "轨道数量 = "+count);

for (int i = 0; i < count; i++)
    {
MediaFormat trackFormat = mediaExtractor.getTrackFormat(i);
String mineType = trackFormat.getString(MediaFormat.KEY_MIME);
Log.e(TAG, i + "编号通道格式 = " + mineType);

//视频信道
if (mineType.startsWith("video/")) {
video_track_index = i;
is_has_video = true;

try {
video_media_extractor.setDataSource(mFile.getAbsolutePath());
        } catch (IOException e) {
e.printStackTrace();
        }

if(mineType.equals("video/avc"))
        {
video_codec_id = 1;
        }
else if(mineType.equals("video/hevc"))
        {
video_codec_id = 2;
        }

int width = trackFormat.getInteger(MediaFormat.KEY_WIDTH);
int height = trackFormat.getInteger(MediaFormat.KEY_HEIGHT);
long duration = trackFormat.getLong(MediaFormat.KEY_DURATION);//总时间
int video_fps = trackFormat.getInteger(MediaFormat.KEY_FRAME_RATE);//帧率
max_sample_size = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);//获取视频缓存输出的最大大小

Log.e(TAG, "video width " + width + ", height: " + height + ", duration: " + duration + ", max_sample_size: " + max_sample_size + ", fps: " + video_fps);
      }

//音频信道
if (mineType.startsWith("audio/")) {
audio_track_index = i;
is_has_audio = true;

try {
audio_media_extractor.setDataSource(mFile.getAbsolutePath());
        } catch (IOException e) {
e.printStackTrace();
        }


if(mineType.equals("audio/mp4a-latm"))
        {
audio_codec_id = 0x10002;
        }

audio_sample_rate = trackFormat.getInteger(MediaFormat.KEY_SAMPLE_RATE);//获取采样率
int audioTrackBitrate = trackFormat.getInteger(MediaFormat.KEY_BIT_RATE);      //获取比特率
int channels = trackFormat.getInteger(MediaFormat.KEY_CHANNEL_COUNT);       //获取声道数量

Log.e(TAG, "mp4 audio_sample_rate " + audio_sample_rate + ", audioTrackBitrate: " + audioTrackBitrate + ", channels: "

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_android推文件RTMP

视频数据处理，先切到视频信道，然后调用readSampleData()，读取到video数据后，判断是不是关键帧，是关键帧的话，带上sps pps（如果是h265 带上vps sps pps），一般来说，比如无人机等设备回调，大多都贴心的实现了关键帧前携带sps pps，也有的设备是单独发sps pps，所以，对接的时候，可以先把数据打印出来看看，具体问题具体分析即可，获取video数据后，通过SmartPublisherPostVideoEncodedData()投递到底层：

//切换到视频信道

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_android gb28181_02

if(IsVpsSpsPps(video_header_checker_buffer, video_codec_id))
{
is_key_frame = true;
}

if ( isPushing || isRTSPPublisherRunning || isGB28181StreamRunning) {
libPublisher.SmartPublisherPostVideoEncodedData(publisherHandle, video_codec_id, byteBuffer, video_sample_size, is_key_frame?1:0, cur_sample_time, cur_sample_time);
}

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_RTMP MP4_03

audio也是类似的流程，audio有一点，需要先拿到audio param info，然后，调用readSampleData()获取到audio数据，调用SmartPublisherPostAudioEncodedData()投递出去即可。

byte[] audio_param_info = GetAudioParamInfo();
ByteBuffer parameter_info = ByteBuffer.allocateDirect(2);
parameter_info.put(audio_param_info);

int parameter_info_size = 2;

audio_media_extractor.selectTrack(audio_track_index);

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_GB28181 MP4_04

int audio_sample_size = audio_media_extractor.readSampleData(byteBuffer, 0);

if(audio_sample_size < 0)
{
Log.i(TAG, "audio reach the end..");
break;
}

long cur_sample_time = audio_media_extractor.getSampleTime()/1000;

if ( isPushing || isRTSPPublisherRunning || isGB28181StreamRunning) {
libPublisher.SmartPublisherPostAudioEncodedData(publisherHandle, audio_codec_id, byteBuffer, audio_sample_size, 0, cur_sample_time, parameter_info, parameter_info_size);
}

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_GB28181 MP4_05

数据投递讲完后，就是推送模块接口的处理，获取到的数据，是可以对接到RTMP推送模块，或者轻量级RTSP服务亦或GB28181设备接入模块，这些模块，都可以在一个实例内完成，所以，我们先调用OpenPushHandle()完成publisherHandle生成，并设置event callback。

private boolean OpenPushHandle()
  {
if(publisherHandle != 0)
    {
return true;
    }

int audio_opt = 2;
int video_opt = 2;

int videoWidth = 640;
int videoHeight  = 480;

publisherHandle = libPublisher.SmartPublisherOpen(context_, audio_opt, video_opt,
videoWidth, videoHeight);

if (publisherHandle == 0 )
    {
Log.e(TAG, "OpenPushHandle failed!");
return false;
    }

Log.i(TAG, "publisherHandle=" + publisherHandle);

libPublisher.SetSmartPublisherEventCallbackV2(publisherHandle, new EventHandePublisherV2());

return true;
  }

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_RTMP MP4_06

RTMP推送相关处理：

private boolean StartPush()
  {
if (isPushing)
return false;

//relayStreamUrl = "rtmp://192.168.1.77/hls/stream1";

if (relayStreamUrl == null) {
Log.e(TAG, "StartPush URL is null...");
return false;
    }

if (!OpenPushHandle())
return false;

if ( libPublisher.SmartPublisherSetURL(publisherHandle, relayStreamUrl) != 0 )
    {
Log.e(TAG, "StartPush failed!");
    }

int startRet = libPublisher.SmartPublisherStartPublisher(publisherHandle);
if( startRet != 0)
    {
Log.e(TAG, "Failed to call StartPublisher!");

if(!isRTSPPublisherRunning && !isGB28181StreamRunning)
      {
libPublisher.SmartPublisherClose(publisherHandle);
publisherHandle = 0;
      }

return false;
    }

isPushing = true;

return true;
  }

public void StopPush()
  {
if (!isPushing)
return;

isPushing = false;

libPublisher.SmartPublisherStopPublisher(publisherHandle);

if(!isRTSPPublisherRunning && !isRTSPServiceRunning && !isGB28181StreamRunning)
    {
libPublisher.SmartPublisherClose(publisherHandle);
publisherHandle = 0;
    }
  }

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_android推文件RTMP_07

轻量级RTSP服务相关处理：

//启动/停止RTSP服务
class ButtonRtspServiceListener implements OnClickListener {
public void onClick(View v) {
if (isRTSPServiceRunning) {
stopRtspService();

btnRtspService.setText("启动RTSP服务");
btnRtspPublisher.setEnabled(false);

isRTSPServiceRunning = false;
return;
      }

if(!OpenPushHandle())
      {
return;
      }

Log.i(TAG, "onClick start rtsp service..");

rtsp_handle_ = libPublisher.OpenRtspServer(0);

if (rtsp_handle_ == 0) {
Log.e(TAG, "创建rtsp server实例失败! 请检查SDK有效性");
      } else {
int port = 8554;
if (libPublisher.SetRtspServerPort(rtsp_handle_, port) != 0) {
libPublisher.CloseRtspServer(rtsp_handle_);
rtsp_handle_ = 0;
Log.e(TAG, "创建rtsp server端口失败! 请检查端口是否重复或者端口不在范围内!");
        }


if (libPublisher.StartRtspServer(rtsp_handle_, 0) == 0) {
Log.i(TAG, "启动rtsp server 成功!");
        } else {
libPublisher.CloseRtspServer(rtsp_handle_);
rtsp_handle_ = 0;
Log.e(TAG, "启动rtsp server失败! 请检查设置的端口是否被占用!");
        }

btnRtspService.setText("停止RTSP服务");
btnRtspPublisher.setEnabled(true);

isRTSPServiceRunning = true;
      }
    }
  }

//发布/停止RTSP流
class ButtonRtspPublisherListener implements OnClickListener {
public void onClick(View v) {
if (isRTSPPublisherRunning) {
stopRtspPublisher();

btnRtspPublisher.setText("发布RTSP流");
btnGetRtspSessionNumbers.setEnabled(false);
btnRtspService.setEnabled(true);
      }
else
      {
Log.i(TAG, "onClick start rtsp publisher..");

boolean startRet = StartRtspStream();

if (!startRet) {
Log.e(TAG, "Failed to call StartRtspStream().");
return;
        }

btnRtspPublisher.setText("停止RTSP流");
btnGetRtspSessionNumbers.setEnabled(true);
btnRtspService.setEnabled(false);
      }
    }
  };

//当前RTSP会话数弹出框
private void PopRtspSessionNumberDialog(int {
final EditText inputUrlTxt = new EditText(this);
inputUrlTxt.setFocusable(true);
inputUrlTxt.setEnabled(false);

String session_numbers_tag = "RTSP服务当前客户会话数: " + session_numbers;
inputUrlTxt.setText(session_numbers_tag);

AlertDialog.Builder builderUrl = new AlertDialog.Builder(this);
builderUrl
        .setTitle("内置RTSP服务")
        .setView(inputUrlTxt).setNegativeButton("确定", null);
builderUrl.show();
  }

//获取RTSP会话数
class ButtonGetRtspSessionNumbersListener implements OnClickListener {
public void onClick(View v) {
if (libPublisher != null && rtsp_handle_ != 0) {
int session_numbers = libPublisher.GetRtspServerClientSessionNumbers(rtsp_handle_);

Log.i(TAG, "GetRtspSessionNumbers: "

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_RTSP MP4_08

GB28181设备对接相关处理：

class ButtonGB28181AgentListener implements OnClickListener {
public void onClick(View v) {
stopGB28181Stream();
destoryRTPSender();

if (null == gb28181_agent_ ) {
if( !initGB28181Agent() )
return;
      }

if (gb28181_agent_.isRunning()) {
gb28181_agent_.terminateAllPlays(true);// 目前测试下来,发送BYE之后,有些服务器会立即发送INVITE,是否发送BYE根据实际情况看
gb28181_agent_.stop();
btnGB28181Agent.setText("启动GB28181");
      }
else {
if ( gb28181_agent_.start() ) {
btnGB28181Agent.setText("停止GB28181");
        }
      }
    }
  }

//停止GB28181 媒体流
private void stopGB28181Stream() {
if(!isGB28181StreamRunning)
return;

if (libPublisher != null) {
libPublisher.StopGB28181MediaStream(publisherHandle);
    }

if (!isRecording && !isRTSPPublisherRunning && !isPushing) {
if (publisherHandle != 0) {
if (libPublisher != null) {
libPublisher.SmartPublisherClose(publisherHandle);
publisherHandle = 0;
        }
      }
    }

isGB28181StreamRunning = false;
  }

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_android推文件RTMP_09

private boolean initGB28181Agent() {
if ( gb28181_agent_ != null )
return  true;

getLocation(context_);

String local_ip_addr = IPAddrUtils.getIpAddress(context_);
Log.i(TAG, "initGB28181Agent local ip addr: " + local_ip_addr);

if ( local_ip_addr == null || local_ip_addr.isEmpty() ) {
Log.e(TAG, "initGB28181Agent local ip is empty");
return  false;
    }

gb28181_agent_ = GBSIPAgentFactory.getInstance().create();
if ( gb28181_agent_ == null ) {
Log.e(TAG, "initGB28181Agent create agent failed");
return false;
    }

gb28181_agent_.addListener(this);
gb28181_agent_.addPlayListener(this);
gb28181_agent_.addDeviceControlListener(this);

// 必填信息
gb28181_agent_.setLocalAddress(local_ip_addr);
gb28181_agent_.setServerParameter(gb28181_sip_server_addr_, gb28181_sip_server_port_, gb28181_sip_server_id_, gb28181_sip_domain_);
gb28181_agent_.setUserInfo(gb28181_sip_username_, gb28181_sip_password_);

// 可选参数
gb28181_agent_.setUserAgent(gb28181_sip_user_agent_filed_);
gb28181_agent_.setTransportProtocol(gb28181_sip_trans_protocol_==0?"UDP":"TCP");

// GB28181配置
gb28181_agent_.config(gb28181_reg_expired_, gb28181_heartbeat_interval_, gb28181_heartbeat_count_);

com.gb.ntsignalling.Device gb_device = new com.gb.ntsignalling.Device("34020000001310000001", "安卓测试设备", Build.MANUFACTURER, Build.MODEL,
"宇宙","火星1","火星", true);

if (mLongitude != null && mLatitude != null) {
com.gb.ntsignalling.DevicePosition device_pos = new com.gb.ntsignalling.DevicePosition();

device_pos.setTime(mLocationTime);
device_pos.setLongitude(mLongitude);
device_pos.setLatitude(mLatitude);
gb_device.setPosition(device_pos);

gb_device.setSupportMobilePosition(true); // 设置支持移动位置上报
    }

gb28181_agent_.addDevice(gb_device);

/*
com.gb28181.ntsignalling.Device gb_device1 = new com.gb28181.ntsignalling.Device("34020000001380000002", "安卓测试设备2", Build.MANUFACTURER, Build.MODEL,
"宇宙","火星1","火星", true);

if (mLongitude != null && mLatitude != null) {
com.gb28181.ntsignalling.DevicePosition device_pos = new com.gb28181.ntsignalling.DevicePosition();

device_pos.setTime(mLocationTime);
device_pos.setLongitude(mLongitude);
device_pos.setLatitude(mLatitude);
gb_device1.setPosition(device_pos);

gb_device1.setSupportMobilePosition(true);
}

gb28181_agent_.addDevice(gb_device1);


*/

if (!gb28181_agent_.createSipStack()) {
gb28181_agent_ = null;
Log.e(TAG, "initGB28181Agent gb28181_agent_.createSipStack failed.");
return  false;
    }

boolean is_bind_local_port_ok = false;

// 最多尝试5000个端口
int try_end_port = gb28181_sip_local_port_base_ + 5000;
try_end_port = try_end_port > 65536 ?65536: try_end_port;

for (int i = gb28181_sip_local_port_base_; i < try_end_port; ++i) {
if (gb28181_agent_.bindLocalPort(i)) {
is_bind_local_port_ok = true;
break;
      }
    }

if (!is_bind_local_port_ok) {
gb28181_agent_.releaseSipStack();
gb28181_agent_ = null;
Log.e(TAG, "initGB28181Agent gb28181_agent_.bindLocalPort failed.");
return  false;
    }

if (!gb28181_agent_.initialize()) {
gb28181_agent_.unBindLocalPort();
gb28181_agent_.releaseSipStack();
gb28181_agent_ = null;
Log.e(TAG, "initGB28181Agent gb28181_agent_.initialize failed.");
return  false;
    }

return true;
  }

@Override
public void ntsRegisterOK(String dateString) {
Log.i(TAG, "ntsRegisterOK Date: " + (dateString!= null? dateString : ""));
  }

@Override
public void ntsRegisterTimeout() {
Log.e(TAG, "ntsRegisterTimeout");
  }

@Override
public void ntsRegisterTransportError(String errorInfo) {
Log.e(TAG, "ntsRegisterTransportError error:" + (errorInfo != null?errorInfo :""));
  }

@Override
public void ntsOnHeartBeatException(int {
Log.e(TAG, "ntsOnHeartBeatException heart beat timeout count reached, count:" + exceptionCount +
", exception info:" + (lastExceptionInfo != null ? lastExceptionInfo : ""));

// 停止信令, 然后重启
handler_.postDelayed(new Runnable() {
@Override
public void run() {
Log.i(TAG, "gb28281_heart_beart_timeout");

stopGB28181Stream();
destoryRTPSender();

if (gb28181_agent_ != null) {
gb28181_agent_.terminateAllPlays(true);

Log.i(TAG, "gb28281_heart_beart_timeout sip stop");
gb28181_agent_.stop();

String local_ip_addr = IPAddrUtils.getIpAddress(context_);
if (local_ip_addr != null && !local_ip_addr.isEmpty()) {
Log.i(TAG, "gb28281_heart_beart_timeout get local ip addr: " + local_ip_addr);
gb28181_agent_.setLocalAddress(local_ip_addr);
          }

Log.i(TAG, "gb28281_heart_beart_timeout sip start");
gb28181_agent_.start();
        }
      }

    }, 0);
  }

@Override
public void ntsOnInvitePlay(String deviceId, PlaySessionDescription session_des) {
handler_.postDelayed(new Runnable() {
@Override
public void run() {
MediaSessionDescription video_des = session_des_.getVideoDescription();
SDPRtpMapAttribute ps_rtpmap_attr = video_des.getPSRtpMapAttribute();

Log.i(TAG,"ntsInviteReceived, device_id:" +device_id_+", is_tcp:" + video_des.isRTPOverTCP()
+ " rtp_port:" + video_des.getPort() + " ssrc:" + video_des.getSSRC()
+ " address_type:" + video_des.getAddressType() + " address:" + video_des.getAddress());

// 可以先给信令服务器发送临时振铃响应
//sip_stack_android.respondPlayInvite(180, device_id_);

long rtp_sender_handle = libPublisher.CreateRTPSender(0);
if ( rtp_sender_handle == 0 ) {
gb28181_agent_.respondPlayInvite(488, device_id_);
Log.i(TAG, "ntsInviteReceived CreateRTPSender failed, response 488, device_id:" + device_id_);
return;
        }

gb28181_rtp_payload_type_  = ps_rtpmap_attr.getPayloadType();
gb28181_rtp_encoding_name_ =  ps_rtpmap_attr.getEncodingName();

libPublisher.SetRTPSenderTransportProtocol(rtp_sender_handle, video_des.isRTPOverUDP()?0:1);
libPublisher.SetRTPSenderIPAddressType(rtp_sender_handle, video_des.isIPv4()?0:1);
libPublisher.SetRTPSenderLocalPort(rtp_sender_handle, 0);
libPublisher.SetRTPSenderSSRC(rtp_sender_handle, video_des.getSSRC());
libPublisher.SetRTPSenderSocketSendBuffer(rtp_sender_handle, 2*1024*1024); // 设置到2M
libPublisher.SetRTPSenderClockRate(rtp_sender_handle, ps_rtpmap_attr.getClockRate());
libPublisher.SetRTPSenderDestination(rtp_sender_handle, video_des.getAddress(), video_des.getPort());

if ( libPublisher.InitRTPSender(rtp_sender_handle) != 0 ) {
gb28181_agent_.respondPlayInvite(488, device_id_);
libPublisher.DestoryRTPSender(rtp_sender_handle);
return;
        }

int local_port = libPublisher.GetRTPSenderLocalPort(rtp_sender_handle);
if (local_port == 0) {
gb28181_agent_.respondPlayInvite(488, device_id_);
libPublisher.DestoryRTPSender(rtp_sender_handle);
return;
        }

Log.i(TAG,"get local_port:" + local_port);

String local_ip_addr = IPAddrUtils.getIpAddress(context_);
gb28181_agent_.respondPlayInviteOK(device_id_,local_ip_addr, local_port);

gb28181_rtp_sender_handle_ = rtp_sender_handle;
      }

private String device_id_;
private PlaySessionDescription session_des_;

public Runnable set(String device_id, PlaySessionDescription session_des) {
this.device_id_ = device_id;
this.session_des_ = session_des;
return this;
      }
    }.set(deviceId, session_des),0);
  }

@Override
public void ntsOnCancelPlay(String deviceId) {
// 这里取消Play会话
handler_.postDelayed(new Runnable() {
@Override
public void run() {
Log.i(TAG, "ntsOnCancelPlay, deviceId=" + device_id_);

destoryRTPSender();
      }

private String device_id_;

public Runnable set(String device_id) {
this.device_id_ = device_id;
return this;
      }

    }.set(deviceId),0);
  }

@Override
public void ntsOnAckPlay(String deviceId) {
handler_.postDelayed(new Runnable() {
@Override
public void run() {
Log.i(TAG,"ntsOnACKPlay, device_id:" +device_id_);

if (!isRecording && !isRTSPPublisherRunning && !isPushing) {
OpenPushHandle();
        }

libPublisher.SetGB28181RTPSender(publisherHandle, gb28181_rtp_sender_handle_, gb28181_rtp_payload_type_, gb28181_rtp_encoding_name_);
int startRet = libPublisher.StartGB28181MediaStream(publisherHandle);
if (startRet != 0) {

if (!isRecording && !isRTSPPublisherRunning && !isPushing) {
if (publisherHandle != 0) {
libPublisher.SmartPublisherClose(publisherHandle);
publisherHandle = 0;
            }
          }

destoryRTPSender();

Log.e(TAG, "Failed to start GB28181 service..");
return;
        }

isGB28181StreamRunning = true;
      }

private String device_id_;

public Runnable set(String device_id) {
this.device_id_ = device_id;
return this;
      }

    }.set(deviceId),0);
  }

@Override
public void ntsOnPlayInviteResponseException(String deviceId, int {
// 这里要释放掉响应的资源
Log.i(TAG, "ntsOnPlayInviteResponseException, deviceId=" + deviceId + " statusCode=" +statusCode
+ " errorInfo:" + errorInfo);

handler_.postDelayed(new Runnable() {
@Override
public void run() {
Log.i(TAG, "ntsOnPlayInviteResponseException, deviceId=" + device_id_);

destoryRTPSender();
      }

private String device_id_;

public Runnable set(String device_id) {
this.device_id_ = device_id;
return this;
      }

    }.set(deviceId),0);
  }

@Override
public void ntsOnByePlay(String deviceId) {
handler_.postDelayed(new Runnable() {
@Override
public void run() {
Log.i(TAG, "ntsOnByePlay, stop GB28181 media stream, deviceId=" + device_id_);

stopGB28181Stream();
destoryRTPSender();
      }

private String device_id_;

public Runnable set(String device_id) {
this.device_id_ = device_id;
return this;
      }

    }.set(deviceId),0);
  }

@Override
public void ntsOnTerminatePlay(String deviceId) {
handler_.postDelayed(new Runnable() {
@Override
public void run() {
Log.i(TAG, "ntsOnTerminatePlay, stop GB28181 media stream, deviceId=" + device_id_);

stopGB28181Stream();
destoryRTPSender();
      }

private String device_id_;

public Runnable set(String device_id) {
this.device_id_ = device_id;
return this;
      }

    }.set(deviceId),0);
  }

@Override
public void ntsOnPlayDialogTerminated(String deviceId) {
/*
Play会话对应的对话终止, 一般不会出发这个回调,目前只有在响应了200K, 但在64*T1时间后还没收到ACK,才可能会出发
收到这个请做相关清理处理
*/
handler_.postDelayed(new Runnable() {
@Override
public void run() {
Log.i(TAG, "ntsOnPlayDialogTerminated, deviceId=" + device_id_);

stopGB28181Stream();
destoryRTPSender();
      }

private String device_id_;

public Runnable set(String device_id) {
this.device_id_ = device_id;
return this;
      }

    }.set(deviceId),0);
  }

@Override
public void ntsOnDevicePositionRequest(String deviceId, int {
handler_.postDelayed(new Runnable() {
@Override
public void run() {
getLocation(context_);

Log.v(TAG, "ntsOnDevicePositionRequest, deviceId:" + this.device_id_ + ", Longitude:" + mLongitude
+ ", Latitude:" + mLatitude + ", Time:" + mLocationTime);


if (mLongitude != null && mLatitude != null) {
com.gb.ntsignalling.DevicePosition device_pos = new com.gb.ntsignalling.DevicePosition();

device_pos.setTime(mLocationTime);
device_pos.setLongitude(mLongitude);
device_pos.setLatitude(mLatitude);

if (gb28181_agent_ != null ) {
gb28181_agent_.updateDevicePosition(device_id_, device_pos);
          }
        }
      }

private String device_id_;
private int interval_;

public Runnable set(String device_id, int {
this.device_id_ = device_id;
this.interval_ = interval;
return this;
      }

    }.set(deviceId, interval),0);
  }

@Override
public void ntsOnDeviceControlTeleBootCommand(String deviceId, String teleBootValue) {
handler_.postDelayed(new Runnable() {
@Override
public void run() {
Log.i(TAG, "ntsOnDeviceControlTeleBootCommand device_id:" + device_id_ + " tele_boot_value:" + tele_boot_value_);

stopGB28181Stream();
destoryRTPSender();

if (gb28181_agent_ != null ) {
gb28181_agent_.terminateAllPlays(true);
gb28181_agent_.stop();
        }

// 发送注销消息后，等待2000毫秒, 再释放资源
handler_.postDelayed(new Runnable() {
@Override
public void run() {
if (gb28181_agent_ != null ) {
Log.i(TAG, " gb28181_agent_.unInitialize++");
gb28181_agent_.unInitialize();
gb28181_agent_.unBindLocalPort();
gb28181_agent_.releaseSipStack();
Log.i(TAG, " gb28181_agent_.unInitialize--");

gb28181_agent_ = null;
            }

// 200毫秒后再重启
handler_.postDelayed(new Runnable() {
@Override
public void run() {
Log.i(TAG, "restart gb sip agent.");

if (null==gb28181_agent_) {
if (!initGB28181Agent()) {
Log.e(TAG, "init gb sip agent failed.");
return;
                  }
                }

if (!gb28181_agent_.isRunning()) {
if ( !gb28181_agent_.start() ) {
Log.e(TAG, "restart gb sip agent failed.");
                  }
                }
              }

            },200);

          }

        },2000);
      }

private String device_id_;
private String tele_boot_value_;

public Runnable set(String device_id, String tele_boot_value) {
this.device_id_ = device_id;
this.tele_boot_value_ = tele_boot_value;
return this;
      }

    }.set(deviceId, teleBootValue),0);
  }

Android平台实现mp4文件实时推送RTMP|轻量级RTSP服务|GB28181平台_GB28181 MP4_10

以上就是大概流程，需要注意的是，本地MP4文件作为实时数据发送的时候，需要注意时间戳的问题，简单来说，确保“1分钟的数据，按照时间戳间隔，1分钟均匀的发出去”。


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