package com.java110.gateway.sip.remux;
import org.bytedeco.javacpp.*;
import org.bytedeco.javacv.FFmpegFrameRecorder;
import org.bytedeco.javacv.FFmpegLockCallback;
import org.bytedeco.javacv.Frame;
import org.bytedeco.javacv.FrameRecorder;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.*;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import static org.bytedeco.javacpp.avcodec.*;
import static org.bytedeco.javacpp.avdevice.avdevice_register_all;
import static org.bytedeco.javacpp.avformat.*;
import static org.bytedeco.javacpp.avutil.*;
import static org.bytedeco.javacpp.swresample.*;
import static org.bytedeco.javacpp.swscale.*;
/**
* 自定义FFmpegFrameRecorder
* 修改recordPacket函数,支持传入设置pts/dts
* @author yangjie
* 2020年3月23日
*/
@SuppressWarnings("all")
public class CustomFFmpegFrameRecorder extends FrameRecorder {
public static CustomFFmpegFrameRecorder createDefault(File f, int w, int h) throws Exception { return new CustomFFmpegFrameRecorder(f, w, h); }
public static CustomFFmpegFrameRecorder createDefault(String f, int w, int h) throws Exception { return new CustomFFmpegFrameRecorder(f, w, h); }
private static Exception loadingException = null;
public static void tryLoad() throws Exception {
if (loadingException != null) {
throw loadingException;
} else {
try {
Loader.load(org.bytedeco.javacpp.avutil.class);
Loader.load(org.bytedeco.javacpp.swresample.class);
Loader.load(org.bytedeco.javacpp.avcodec.class);
Loader.load(org.bytedeco.javacpp.avformat.class);
Loader.load(org.bytedeco.javacpp.swscale.class);
/* initialize libavcodec, and register all codecs and formats */
av_jni_set_java_vm(Loader.getJavaVM(), null);
avcodec_register_all();
av_register_all();
avformat_network_init();
Loader.load(org.bytedeco.javacpp.avdevice.class);
avdevice_register_all();
} catch (Throwable t) {
if (t instanceof Exception) {
throw loadingException = (Exception)t;
} else {
throw loadingException = new Exception("Failed to load " + FFmpegFrameRecorder.class, t);
}
}
}
}
static {
try {
tryLoad();
FFmpegLockCallback.init();
} catch (Exception ex) { }
}
public CustomFFmpegFrameRecorder(File file, int audioChannels) {
this(file, 0, 0, audioChannels);
}
public CustomFFmpegFrameRecorder(String filename, int audioChannels) {
this(filename, 0, 0, audioChannels);
}
public CustomFFmpegFrameRecorder(File file, int imageWidth, int imageHeight) {
this(file, imageWidth, imageHeight, 0);
}
public CustomFFmpegFrameRecorder(String filename, int imageWidth, int imageHeight) {
this(filename, imageWidth, imageHeight, 0);
}
public CustomFFmpegFrameRecorder(File file, int imageWidth, int imageHeight, int audioChannels) {
this(file.getAbsolutePath(), imageWidth, imageHeight, audioChannels);
}
public CustomFFmpegFrameRecorder(String filename, int imageWidth, int imageHeight, int audioChannels) {
this.filename = filename;
this.imageWidth = imageWidth;
this.imageHeight = imageHeight;
this.audioChannels = audioChannels;
this.pixelFormat = AV_PIX_FMT_NONE;
this.videoCodec = AV_CODEC_ID_NONE;
this.videoBitrate = 400000;
this.frameRate = 30;
this.sampleFormat = AV_SAMPLE_FMT_NONE;
this.audioCodec = AV_CODEC_ID_NONE;
this.audioBitrate = 64000;
this.sampleRate = 44100;
this.interleaved = true;
this.video_pkt = new AVPacket();
this.audio_pkt = new AVPacket();
}
public CustomFFmpegFrameRecorder(OutputStream outputStream, int audioChannels) {
this(outputStream.toString(), audioChannels);
this.outputStream = outputStream;
}
public CustomFFmpegFrameRecorder(OutputStream outputStream, int imageWidth, int imageHeight) {
this(outputStream.toString(), imageWidth, imageHeight);
this.outputStream = outputStream;
}
public CustomFFmpegFrameRecorder(OutputStream outputStream, int imageWidth, int imageHeight, int audioChannels) {
this(outputStream.toString(), imageWidth, imageHeight, audioChannels);
this.outputStream = outputStream;
}
public void release() throws Exception {
// synchronized (org.bytedeco.javacpp.avcodec.class) {
releaseUnsafe();
// }
}
void releaseUnsafe() throws Exception {
/* close each codec */
if (video_c != null) {
avcodec_free_context(video_c);
video_c = null;
}
if (audio_c != null) {
avcodec_free_context(audio_c);
audio_c = null;
}
if (picture_buf != null) {
av_free(picture_buf);
picture_buf = null;
}
if (picture != null) {
av_frame_free(picture);
picture = null;
}
if (tmp_picture != null) {
av_frame_free(tmp_picture);
tmp_picture = null;
}
if (video_outbuf != null) {
av_free(video_outbuf);
video_outbuf = null;
}
if (frame != null) {
av_frame_free(frame);
frame = null;
}
if (samples_out != null) {
for (int i = 0; i < samples_out.length; i++) {
av_free(samples_out[i].position(0));
}
samples_out = null;
}
if (audio_outbuf != null) {
av_free(audio_outbuf);
audio_outbuf = null;
}
if (video_st != null && video_st.metadata() != null) {
av_dict_free(video_st.metadata());
video_st.metadata(null);
}
if (audio_st != null && audio_st.metadata() != null) {
av_dict_free(audio_st.metadata());
audio_st.metadata(null);
}
video_st = null;
audio_st = null;
filename = null;
AVFormatContext outputStreamKey = oc;
if (oc != null && !oc.isNull()) {
if (outputStream == null && (oformat.flags() & AVFMT_NOFILE) == 0) {
/* close the output file */
avio_close(oc.pb());
}
/* free the streams */
int nb_streams = oc.nb_streams();
for(int i = 0; i < nb_streams; i++) {
av_free(oc.streams(i).codec());
av_free(oc.streams(i));
}
/* free metadata */
if (oc.metadata() != null) {
av_dict_free(oc.metadata());
oc.metadata(null);
}
/* free the stream */
av_free(oc);
oc = null;
}
if (img_convert_ctx != null) {
sws_freeContext(img_convert_ctx);
img_convert_ctx = null;
}
if (samples_convert_ctx != null) {
swr_free(samples_convert_ctx);
samples_convert_ctx = null;
}
if (outputStream != null) {
try {
outputStream.close();
} catch (IOException ex) {
throw new Exception("Error on OutputStream.close(): ", ex);
} finally {
outputStream = null;
outputStreams.remove(outputStreamKey);
if (avio != null) {
if (avio.buffer() != null) {
av_free(avio.buffer());
avio.buffer(null);
}
av_free(avio);
avio = null;
}
}
}
}
@Override protected void finalize() throws Throwable {
super.finalize();
release();
}
static Map<Pointer,OutputStream> outputStreams = Collections.synchronizedMap(new HashMap<Pointer,OutputStream>());
static class WriteCallback extends Write_packet_Pointer_BytePointer_int {
@Override public int call(Pointer opaque, BytePointer buf, int buf_size) {
try {
byte[] b = new byte[buf_size];
OutputStream os = outputStreams.get(opaque);
buf.get(b, 0, buf_size);
os.write(b, 0, buf_size);
return buf_size;
}
catch (Throwable t) {
System.err.println("Error on OutputStream.write(): " + t);
return -1;
}
}
}
static WriteCallback writeCallback = new WriteCallback();
static {
PointerScope s = PointerScope.getInnerScope();
if (s != null) {
s.detach(writeCallback);
}
}
private OutputStream outputStream;
private AVIOContext avio;
private String filename;
private AVFrame picture, tmp_picture;
private BytePointer picture_buf;
private BytePointer video_outbuf;
private int video_outbuf_size;
private AVFrame frame;
private Pointer[] samples_in;
private BytePointer[] samples_out;
private PointerPointer samples_in_ptr;
private PointerPointer samples_out_ptr;
private BytePointer audio_outbuf;
private int audio_outbuf_size;
private in
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### 3.1 前段 1、安装nodejs 2、进入到 front 目录下 执行 npm install 安装依赖 3、启动 npm run dev 4、浏览器访问 http://localhost:8080 ### 3.2 后端 1、idea 用maven的方式打开back项目 2、maven 导入包,可以在命令行中执行 mvn clean install 3、打开src\main\java\com.java110.things.ThingsApplicationStart.java 4、运行main方法
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