How to write the code of java multimedia file coding processing tool class

Java multimedia file coding processing tool code how to write, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.

This article mainly introduces the use and parsing of the java multimedia file coding processing tool class, which is introduced in great detail through the sample code, which has a certain reference value for everyone's study or work. Friends who need it can refer to it.

Introduce

Org.apache.storm storm-core 1.1.0 org.apache.storm storm-kafka 1.0.4 org.jcodec jcodec 0.2.5 test io.humble humble-video-all 0.3.0 org.mp4parser isoparser 1.9.39

Code

/ * https://stackoverflow.com/questions/38123693/how-to-concatenate-merge-two-videos-in-a-new-video-file-in-java * @ param aggregate merge output file * @ param segments MPEG transport stream (FFMpeg mpegts), MPEG-2 TS video Waveform sound * @ throws InterruptedException * @ throws IOException * / private void merge (File aggregate, Collection segments) throws InterruptedException, IOException {Muxer muxer = Muxer.make (aggregate.toString (), MuxerFormat.getFormat (96), "wav"); final MediaPacket packet = MediaPacket.make (); long dts_offset = 0; long pts_offset = 0; for (File segment: segments) {Demuxer demuxer = Demuxer.make () / / option https://ffmpeg.org/ffmpeg-formats.html demuxer.open (segment.toString (), null, false, true, null, null); if (muxer.getState () = = Muxer.State.STATE_INITED) {int numStreams = demuxer.getNumStreams (); for (int s = 0; s)

< numStreams; s++) { DemuxerStream demuxerStream = demuxer.getStream(s); Decoder decoder = demuxerStream.getDecoder(); muxer.addNewStream(decoder); } muxer.open(null, null); } long dts_max = 0; long pts_max = 0; while (demuxer.read(packet) >

= 0) {if (packet.isComplete ()) {packet.setDts (packet.getDts () + dts_offset); packet.setPts (packet.getPts () + pts_offset); dts_max = packet.getDts () + 1; pts_max = packet.getPts () + 1; muxer.write (packet, false);} dts_offset = dts_max; pts_offset = pts_max; demuxer.close ();} muxer.close ();}

test

@ Test public void testFormat () {MuxerFormat format = MuxerFormat.getFormat; System.out.println (format); Collection formats = MuxerFormat.getFormats (); formats.stream () .forEach (this::out);} void out (MuxerFormat format) {System.out.printf ("% s\ n", format.getName (), format.getMimeType ()) } @ Test public void test () throws IOException, InterruptedException {String directory = "C:\\ Users\\ Administrator\\ AppData\\ Local\\ Temp\\ 8ad088a2-0bb3-41dc-89d9-2c57ef8414b0"; List files = Files.list (Paths.get (directory)) .map (path-> path.toFile ()) .filter (file-> file.getName (). EndsWith (".ts")) .filter (Collectors.toList ()); File dest = new File (directory+ "\ dest.wav"); merge (dest,files);}

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