(UDP 通信,同时具有H.264/H.265网络视频输出能力,传输协议包括 RTP,RTSP, ONVIF)输出H264/265的码流
时间: 2023-05-31 18:02:46 浏览: 186
UDP通信是一种无连接的通信协议,它提供了一种快速、简单和不可靠的数据传输方式。同时,H.264/H.265是一种高效的视频编码标准,可以将视频压缩至较小的码流,从而实现更高效的网络视频传输。
对于输出H.264/H.265的码流,可以使用一些常见的网络视频传输协议,如RTP、RTSP和ONVIF。这些协议都支持H.264/H.265视频流的传输,并提供了一些常见的功能,如实时视频播放、回放和录制等。
具体实现上,可以使用一些开源的视频编码和传输库,如FFmpeg和Live555等。这些库提供了丰富的编码和传输功能,并且可以与各种主流的操作系统和开发平台集成。
总之,输出H.264/H.265的码流需要选择合适的通信协议和编码库,并进行相应的配置和调试。对于不同的应用场景,还需要考虑一些额外的因素,如网络带宽、延迟和稳定性等。
相关问题
java UDP通信 (传输协议包括RTP RTSP ONVIF) 输出H264/265的码流代码示例
以下是使用Java进行UDP通信,并输出H264/265的码流的示例代码:
1. UDP通信代码:
```java
import java.io.IOException;
import java.net.*;
public class UdpClient {
private DatagramSocket socket;
private InetAddress address;
public UdpClient(String ipAddress, int port) throws SocketException, UnknownHostException {
socket = new DatagramSocket();
address = InetAddress.getByName(ipAddress);
}
public void send(byte[] data) throws IOException {
DatagramPacket packet = new DatagramPacket(data, data.length, address, socket.getPort());
socket.send(packet);
}
public void close() {
socket.close();
}
}
```
2. H264/265编码代码:
```java
import com.sun.media.jfxmedia.logging.Logger;
import org.bytedeco.ffmpeg.avcodec.AVPacket;
import org.bytedeco.ffmpeg.global.avcodec;
import org.bytedeco.ffmpeg.global.avutil;
import java.nio.ByteBuffer;
public class Encoder {
private AVPacket avPacket;
private ByteBuffer buffer;
private int bufferSize;
private long pts;
private int frameCount;
private int codecId;
public Encoder(int codecId, int width, int height) {
this.codecId = codecId;
avutil.avcodec_register_all();
avPacket = avcodec.av_packet_alloc();
avcodec.AVCodec codec = avcodec.avcodec_find_encoder(codecId);
if (codec == null) {
Logger.logMsg(0, "Could not find encoder for codec id " + codecId);
System.exit(1);
}
avcodec.AVCodecContext codecContext = avcodec.avcodec_alloc_context3(codec);
if (codecContext == null) {
Logger.logMsg(0, "Could not allocate codec context");
System.exit(1);
}
codecContext.width(width);
codecContext.height(height);
codecContext.pix_fmt(avcodec.AV_PIX_FMT_YUV420P);
codecContext.time_base().num(1).den(25);
codecContext.flags(avcodec.AV_CODEC_FLAG_GLOBAL_HEADER);
int ret = avcodec.avcodec_open2(codecContext, codec, null);
if (ret < 0) {
Logger.logMsg(0, "Could not open codec");
System.exit(1);
}
bufferSize = avutil.av_image_get_buffer_size(avcodec.AV_PIX_FMT_YUV420P, width, height, 1);
buffer = ByteBuffer.allocate(bufferSize);
}
public void encode(byte[] inputData) {
int ret = avcodec.avcodec_send_frame(codecContext, frame);
if (ret < 0) {
Logger.logMsg(0, "Error sending frame to codec");
System.exit(1);
}
while (ret >= 0) {
ret = avcodec.avcodec_receive_packet(codecContext, avPacket);
if (ret == avutil.AVERROR_EAGAIN() || ret == avutil.AVERROR_EOF) {
break;
} else if (ret < 0) {
Logger.logMsg(0, "Error receiving packet from codec");
System.exit(1);
}
avPacket.pts(pts);
pts += 1;
avPacket.dts(avPacket.pts());
avPacket.stream_index(0);
byte[] outputData = new byte[avPacket.size()];
avPacket.data().get(outputData);
// 发送outputData到UDP服务器
udpClient.send(outputData);
avcodec.av_packet_unref(avPacket);
}
frameCount += 1;
}
public void close() {
int ret = avcodec.avcodec_send_frame(codecContext, null);
if (ret < 0) {
Logger.logMsg(0, "Error sending null frame to codec");
System.exit(1);
}
while (ret >= 0) {
ret = avcodec.avcodec_receive_packet(codecContext, avPacket);
if (ret == avutil.AVERROR_EAGAIN() || ret == avutil.AVERROR_EOF) {
break;
} else if (ret < 0) {
Logger.logMsg(0, "Error receiving packet from codec");
System.exit(1);
}
avPacket.pts(pts);
pts += 1;
avPacket.dts(avPacket.pts());
avPacket.stream_index(0);
byte[] outputData = new byte[avPacket.size()];
avPacket.data().get(outputData);
// 发送outputData到UDP服务器
udpClient.send(outputData);
avcodec.av_packet_unref(avPacket);
}
avcodec.avcodec_close(codecContext);
avcodec.avcodec_free_context(codecContext);
avcodec.av_packet_free(avPacket);
}
}
```
请注意,上述代码是基于FFmpeg库编写的,因此您需要在项目中添加FFmpeg库的相关依赖项。
java UDP通信 (传输协议包括RTP RTSP ONVIF) 输出H264/265的码流项目示例
以下是一个使用Java实现UDP通信,并输出H264/265码流的示例项目:
1. 使用Java Socket API实现UDP通信,通过DatagramSocket类实现UDP数据包的发送和接收。
2. 使用Java开源库JCodec实现H264/265视频编码,输出码流数据。
3. 使用Java开源库ffmpeg实现RTP/RTSP协议的封装和解封装,以及ONVIF协议的处理。
4. 整合以上组件,实现一个完整的UDP视频传输项目。
示例代码如下:
```java
import java.net.*;
import java.io.*;
import org.jcodec.api.*;
import org.jcodec.api.specific.*;
import org.jcodec.common.*;
import org.jcodec.containers.mp4.*;
import org.jcodec.scale.*;
import org.jcodec.codecs.h264.*;
import org.jcodec.codecs.h265.*;
import org.jcodec.codecs.mjpeg.*;
import org.jcodec.codecs.vpx.*;
import org.jcodec.codecs.wav.*;
import org.jcodec.codecs.prores.*;
import org.jcodec.movtool.*;
import org.jcodec.scale.*;
import org.jcodec.containers.mps.*;
public class UDPVideoStream {
private static final int PORT = 5000;
private static final String HOSTNAME = "localhost";
private static final int TIMEOUT = 5000;
public static void main(String[] args) throws Exception {
// Create a DatagramSocket object for sending and receiving UDP packets
DatagramSocket socket = new DatagramSocket();
// Create a H264Encoder/HEVCEncoder object for encoding H264/265 video frames
H264Encoder encoder = new H264Encoder();
HEVCEncoder hevcEncoder = new HEVCEncoder();
// Create a MP4Muxer object for muxing H264/265 video frames into MP4 container
MP4Muxer muxer = new MP4Muxer(new File("output.mp4"));
// Create a FrameGrabber object for grabbing video frames from camera
FrameGrabber grabber = FrameGrabber.createDefault(0);
grabber.start();
// Loop through the video frames and encode them using H264Encoder/HEVCEncoder
// then mux the encoded frames into MP4 container
for (int i = 0; i < 1000; i++) {
Picture picture = grabber.grab();
if (picture == null) {
break;
}
// Encode the picture using H264Encoder/HEVCEncoder
SeqParameterSet sps = encoder.initSPS(picture.getWidth(), picture.getHeight());
PictureParameterSet pps = encoder.initPPS(sps);
ByteBuffer bb = ByteBuffer.allocate(picture.getWidth() * picture.getHeight() * 4);
ByteBuffer hevcBB = ByteBuffer.allocate(picture.getWidth() * picture.getHeight() * 4);
BitWriter writer = new BitWriter(bb);
BitWriter hevcWriter = new BitWriter(hevcBB);
encoder.encodeFrame(picture, writer);
hevcEncoder.encodeFrame(picture, hevcWriter);
// Mux the encoded frames into MP4 container
ByteBuffer packedBB = ByteBuffer.allocate(bb.remaining() + 100);
ByteBuffer hevcPackedBB = ByteBuffer.allocate(hevcBB.remaining() + 100);
MP4Packet packet = MP4Packet.createPacket(bb, i, grabber.getVideoTrack().getTimescale(), 1, i, true, null, i, 0);
MP4Packet hevcPacket = MP4Packet.createPacket(hevcBB, i, grabber.getVideoTrack().getTimescale(), 1, i, true, null, i, 0);
muxer.addVideoPacket(packet);
muxer.addVideoPacket(hevcPacket);
// Send the encoded frames as UDP packets
InetAddress address = InetAddress.getByName(HOSTNAME);
DatagramPacket packet = new DatagramPacket(packedBB.array(), packedBB.remaining(), address, PORT);
DatagramPacket hevcPacket = new DatagramPacket(hevcPackedBB.array(), hevcPackedBB.remaining(), address, PORT);
socket.send(packet);
socket.send(hevcPacket);
// Wait for ACK message from the receiver
socket.setSoTimeout(TIMEOUT);
byte[] buffer = new byte[1024];
DatagramPacket ackPacket = new DatagramPacket(buffer, buffer.length);
socket.receive(ackPacket);
System.out.println("Received ACK message: " + new String(ackPacket.getData(), 0, ackPacket.getLength()));
}
// Close the objects
grabber.stop();
socket.close();
muxer.finish();
}
}
```
以上示例代码实现了如下功能:
1. 通过FrameGrabber对象从摄像头获取视频帧数据。
2. 使用H264Encoder/HEVCEncoder对象将视频帧数据编码为H264/265格式。
3. 使用MP4Muxer对象将编码后的H264/265数据封装为MP4容器格式。
4. 将封装好的视频数据通过UDP协议发送到指定的主机和端口。
5. 等待接收方发送ACK消息,以确认接收成功。
该示例代码只是一个简单的UDP视频流传输示例,还有很多细节需要考虑,比如错误处理、流量控制、丢包重传等。如果需要在实际项目中使用,还需要进一步完善和优化。
阅读全文
相关推荐
![-](https://img-home.csdnimg.cn/images/20241231045053.png)
![-](https://img-home.csdnimg.cn/images/20241231044955.png)
![-](https://img-home.csdnimg.cn/images/20241231045053.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![rar](https://img-home.csdnimg.cn/images/20241231044955.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![rar](https://img-home.csdnimg.cn/images/20241231044955.png)
![zip](https://img-home.csdnimg.cn/images/20241231045053.png)
![-](https://img-home.csdnimg.cn/images/20241226111658.png)
![-](https://img-home.csdnimg.cn/images/20241226111658.png)
![-](https://img-home.csdnimg.cn/images/20241231044955.png)