社区闸道门禁和考勤物联网管理系统【毕业设计、课程设计】

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