92 lines
2.7 KiB
Java
92 lines
2.7 KiB
Java
package org.jcodec.movtool;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import org.jcodec.common.io.IOUtils;
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import org.jcodec.common.io.NIOUtils;
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import org.jcodec.common.io.SeekableByteChannel;
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import org.jcodec.containers.mp4.MP4Util;
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import org.jcodec.containers.mp4.boxes.Box;
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import org.jcodec.containers.mp4.boxes.MovieBox;
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import org.jcodec.containers.mp4.boxes.NodeBox;
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public class MovDump {
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public static void main1(String[] args) throws Exception {
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if (args.length < 1) {
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System.out.println("Syntax: movdump [options] <filename>");
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System.out.println("Options: \n\t-f <filename> save header to a file\n\t-a <atom name> dump only a specific atom\n");
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return;
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}
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int idx = 0;
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File headerFile = null;
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String atom = null;
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while (idx < args.length) {
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if ("-f".equals(args[idx])) {
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idx++;
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headerFile = new File(args[idx++]);
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continue;
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}
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if ("-a".equals(args[idx])) {
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idx++;
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atom = args[idx++];
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continue;
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}
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break;
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}
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File source = new File(args[idx]);
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if (headerFile != null)
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dumpHeader(headerFile, source);
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if (atom == null) {
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System.out.println(print(source));
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} else {
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String dump = printAtom(source, atom);
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if (dump != null)
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System.out.println(dump);
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}
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}
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private static void dumpHeader(File headerFile, File source) throws IOException, FileNotFoundException {
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SeekableByteChannel raf = null;
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SeekableByteChannel daos = null;
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try {
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raf = NIOUtils.readableChannel(source);
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daos = NIOUtils.writableChannel(headerFile);
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for (MP4Util.Atom atom : MP4Util.getRootAtoms(raf)) {
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String fourcc = atom.getHeader().getFourcc();
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if ("moov".equals(fourcc) || "ftyp".equals(fourcc))
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atom.copy(raf, daos);
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}
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} finally {
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IOUtils.closeQuietly(raf);
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IOUtils.closeQuietly(daos);
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}
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}
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public static String print(File file) throws IOException {
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return MP4Util.parseMovie(file).toString();
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}
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private static Box findDeep(NodeBox root, String atom) {
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for (Box b : root.getBoxes()) {
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if (atom.equalsIgnoreCase(b.getFourcc()))
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return b;
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if (b instanceof NodeBox) {
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Box res = findDeep((NodeBox)b, atom);
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if (res != null)
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return res;
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}
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}
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return null;
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}
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public static String printAtom(File file, String atom) throws IOException {
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MovieBox mov = MP4Util.parseMovie(file);
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Box found = findDeep(mov, atom);
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if (found == null) {
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System.out.println("Atom " + atom + " not found.");
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return null;
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}
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return found.toString();
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}
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}
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