import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
public MP4Builder createMovie(Mp4Movie mp4Movie) throws Exception {
    currentMp4Movie = mp4Movie;

    fos = new FileOutputStream(mp4Movie.getCacheFile());
    fc = fos.getChannel();

    FileTypeBox fileTypeBox = createFileTypeBox();
    fileTypeBox.getBox(fc);
    dataOffset += fileTypeBox.getSize();
    writedSinceLastMdat += dataOffset;

    mdat = new InterleaveChunkMdat();

    sizeBuffer = ByteBuffer.allocateDirect(4);

    return this;
}
 

import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
public Box createFtyp(Movie movie) {
    List<String> minorBrands = new LinkedList<String>();
    minorBrands.add("isom");
    minorBrands.add("iso2");
    minorBrands.add("avc1");
    return new FileTypeBox("isom", 0, minorBrands);
}
 

import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
private void createMovie(File outputFile) throws IOException {
    fos = new FileOutputStream(outputFile);
    fc = fos.getChannel();
    mdat = new InterleaveChunkMdat();
    mdatOffset = 0;

    FileTypeBox fileTypeBox = createFileTypeBox();
    fileTypeBox.getBox(fc);
    recFileSize += fileTypeBox.getSize();
}
 

import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
protected FileTypeBox createFileTypeBox() {
    LinkedList<String> minorBrands = new LinkedList<>();
    minorBrands.add("isom");
    minorBrands.add("iso2");
    minorBrands.add("avc1");
    minorBrands.add("mp41");
    return new FileTypeBox("isom", 512, minorBrands);
}
 

import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
protected FileTypeBox createFileTypeBox() {
    LinkedList<String> minorBrands = new LinkedList<>();
    minorBrands.add("isom");
    minorBrands.add("3gp4");
    return new FileTypeBox("isom", 0, minorBrands);
}
 

import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
public IsoFile build(Movie movie) {
    LOG.fine("Creating movie " + movie);
    for (Track track : movie.getTracks()) {
        // getting the samples may be a time consuming activity
        List<ByteBuffer> samples = track.getSamples();
        putSamples(track, samples);
        long[] sizes = new long[samples.size()];
        for (int i = 0; i < sizes.length; i++) {
            sizes[i] = samples.get(i).limit();
        }
        putSampleSizes(track, sizes);
    }

    IsoFile isoFile = new IsoFile();
    // ouch that is ugly but I don't know how to do it else
    List<String> minorBrands = new LinkedList<String>();
    minorBrands.add("isom");
    minorBrands.add("iso2");
    minorBrands.add("avc1");

    isoFile.addBox(new FileTypeBox("isom", 0, minorBrands));
    isoFile.addBox(createMovieBox(movie));
    InterleaveChunkMdat mdat = new InterleaveChunkMdat(movie);
    isoFile.addBox(mdat);

    /*
    dataOffset is where the first sample starts. In this special mdat the samples always start
    at offset 16 so that we can use the same offset for large boxes and small boxes
     */
    long dataOffset = mdat.getDataOffset();
    for (StaticChunkOffsetBox chunkOffsetBox : chunkOffsetBoxes) {
        long[] offsets = chunkOffsetBox.getChunkOffsets();
        for (int i = 0; i < offsets.length; i++) {
            offsets[i] += dataOffset;
        }
    }


    return isoFile;
}
 

import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
private FileTypeBox createFileTypeBox() {
    LinkedList<String> minorBrands = new LinkedList<>();
    minorBrands.add("isom");
    minorBrands.add("3gp4");
    return new FileTypeBox("isom", 0, minorBrands);
}
 

import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
private void LoadSpecificBox( FileTypeBox box ) {
   Log.d( "this", "load FileTypeBox" );
   addViewForValue( "Major Brand:", box.getMajorBrand() );
   addViewForValue( "Version:", box.getMinorVersion() );
   addViewForValue( "Compatible Brands:", box.getCompatibleBrands() );
}
 

import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
private Media loadIsoFile(IsoFile isoFile, FileBaseResourceInfo fileBaseResourceInfo) {
		// Grab the file type box
		FileTypeBox fileType = getOrNull(isoFile, FileTypeBox.class);
		if (fileType == null) {
			return null;
		}
		
//		String brand = fileType.getMajorBrand();
//		String type = null;
//		
//		for(String t : mp4_audio_brands) {
//			if (brand.equals(t)){
//				type = t;
//				break;
//			}
//		}
//			
//		for(String t : mp4_video_brands) {
//			if (brand.equals(t)){
//				type = t;
//				break;
//			}
//		}
//		
//		if (type == null){
//			return null;
//		}
		
//		Audio.Format format = null;
//		String encoding = null;
//		if ("mp3".equals(audioHeader.getEncodingType())){
//			format = Audio.Format.mp3;
//			encoding = "mp3";
//		}else if ("AAC".equals(audioHeader.getEncodingType())){
//			format = Audio.Format.m4a;
//			encoding = "aac";
//		}
//		
		// mp4 file format, see:
		// http://1.richitec.sinaapp.com/?p=46
		
		// Get the main MOOV box
		MovieBox moov = getOrNull(isoFile, MovieBox.class);
		if (moov == null) {
			// Bail out
			return null;
		}
		
		double duration = 0;
		
		// Pull out some information from the header box
		MovieHeaderBox mHeader = getOrNull(moov, MovieHeaderBox.class);
		if (mHeader == null) {
			return null;
		}
         
		// Get the duration. Seconds
		duration = (double)mHeader.getDuration() / mHeader.getTimescale();
		
		// see: http://en.wikipedia.org/wiki/Bit_rate
		int bitrate = (int)(fileBaseResourceInfo.getContentLength() * 8 / duration / 1000);
		
		Audio audio = new DefaultAudio(
				fileBaseResourceInfo,
				Audio.Format.m4a, "aac", 
				duration,
				bitrate,
				Audio.BitrateMode.variable);
		
		M4aMetaDataParser metaDataParser = new M4aMetaDataParser();
		audio.setMetaData(metaDataParser.parse(moov));
		
		return audio;
	}
 

import com.coremedia.iso.boxes.FileTypeBox; //导入依赖的package包/类
private Media loadIsoFile(IsoFile isoFile, FileBaseResourceInfo fileBaseResourceInfo) {
	// Grab the file type box
	FileTypeBox fileType = getOrNull(isoFile, FileTypeBox.class);
	if (fileType == null) {
		return null;
	}
	
	// Get the main MOOV box
	MovieBox moov = getOrNull(isoFile, MovieBox.class);
	if (moov == null) {
		// Bail out
		return null;
	}
	
	double duration = 0;
	
	// Pull out some information from the header box
	MovieHeaderBox mHeader = getOrNull(moov, MovieHeaderBox.class);
	if (mHeader == null) {
		return null;
	}
        
	// Get the duration. Seconds
	duration = (double)mHeader.getDuration() / mHeader.getTimescale();
	
	if (duration == 0){
		duration = 1;
	}
	
	// Get some more information from the track header
	List<TrackBox> tb = moov.getBoxes(TrackBox.class);
	if (tb.isEmpty()) {
		return null;
	}
	
	// Get the video with and height
	int width = 0;
	int height = 0;

	for(int idx=0; idx<tb.size(); idx++){
		TrackBox track = tb.get(idx);
		TrackHeaderBox header = track.getTrackHeaderBox();

		int w = (int)header.getWidth();
		int h = (int)header.getHeight();
		
		if (w==0 && h==0){
			// skip the none-video track
			continue;
		}
		
		// Get the video with and height
		width = w;
		height = h;
		break;
	}

	if (width == 0 && height == 0) {
		// no video track found.
		return null;
	}
	
	Video.Format format = (
			MIME_TYPE_VIDEO_MP4.equals(fileBaseResourceInfo.getMimeType())?
			Video.Format.mp4:
			Video.Format.mov);
	
	return new DefaultVideo(
			fileBaseResourceInfo, format, 
			width, height, duration);
}