Java ByteArrayImageInputStream.readInt方法代码示例

import org.monte.media.io.ByteArrayImageInputStream; //导入方法依赖的package包/类
/**
 * Reads the AVI Main Header and returns a MainHeader object.
 */
private MainHeader readAVIH(byte[] data) throws IOException, ParseException {
    ByteArrayImageInputStream in = new ByteArrayImageInputStream(data, ByteOrder.LITTLE_ENDIAN);
    MainHeader mh = new MainHeader();
    mh.microSecPerFrame = in.readUnsignedInt();
    mh.maxBytesPerSec = in.readUnsignedInt();
    mh.paddingGranularity = in.readUnsignedInt();
    mh.flags = in.readInt();
    mh.totalFrames = in.readUnsignedInt();
    mh.initialFrames = in.readUnsignedInt();
    mh.streams = in.readUnsignedInt();
    mh.suggestedBufferSize = in.readUnsignedInt();

    mh.size = new Dimension(in.readInt(), in.readInt());
    return mh;
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入方法依赖的package包/类
/** Decodes an AVI palette change chunk. 
 * FIXME - This could be moved out into a separate class.
 */
public void decodePalette(byte[] inDat, int off, int len) throws IOException {
    getPalette();
    ByteArrayImageInputStream in = new ByteArrayImageInputStream(inDat, off, len, ByteOrder.LITTLE_ENDIAN);
    int firstEntry = in.readUnsignedByte();
    int numEntries = in.readUnsignedByte();
    if (numEntries == 0) {
        numEntries = 256;
    }
    int flags = in.readUnsignedShort();
    if (firstEntry + numEntries > 256) {
        throw new IOException("Illegal headers in pc chunk. firstEntry=" + firstEntry + ", numEntries=" + numEntries);
    }
    in.setByteOrder(ByteOrder.BIG_ENDIAN);
    for (int i = 0; i < numEntries; i++) {
        int rgbf = in.readInt();
        palette[i + firstEntry] = rgbf >> 8;
    }
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入方法依赖的package包/类
/**
 * </pre> //---------------------- // AVI Bitmap Info Header //
 * ---------------------- typedef struct { BYTE blue; BYTE green; BYTE red;
 * BYTE reserved; } RGBQUAD;
 *
 * // Values for this enum taken from: //
 * http://www.fourcc.org/index.php?http%3A//www.fourcc.org/rgb.php enum {
 * BI_RGB = 0x00000000, RGB = 0x32424752, // Alias for BI_RGB BI_RLE8 =
 * 0x01000000, RLE8 = 0x38454C52, // Alias for BI_RLE8 BI_RLE4 = 0x00000002,
 * RLE4 = 0x34454C52, // Alias for BI_RLE4 BI_BITFIELDS = 0x00000003, raw =
 * 0x32776173, RGBA = 0x41424752, RGBT = 0x54424752, cvid = "cvid" }
 * bitmapCompression;
 *
 * typedef struct { DWORD structSize; DWORD width; DWORD height; WORD
 * planes; WORD bitCount; FOURCC enum bitmapCompression compression; DWORD
 * imageSizeInBytes; DWORD xPelsPerMeter; DWORD yPelsPerMeter; DWORD
 * numberOfColorsUsed; DWORD numberOfColorsImportant; RGBQUAD colors[]; }
 * BITMAPINFOHEADER;
 * </pre>
 *
 *
 * @param tr
 * @param data
 * @throws java.io.IOException
 */
private void readVideoSTRF(VideoTrack tr, byte[] data) throws IOException {
    ByteArrayImageInputStream in = new ByteArrayImageInputStream(data, ByteOrder.LITTLE_ENDIAN);


    long structSize = in.readUnsignedInt();
    tr.width = in.readInt();
    tr.height = in.readInt();
    tr.planes = in.readUnsignedShort();
    tr.bitCount = in.readUnsignedShort();
    in.setByteOrder(ByteOrder.BIG_ENDIAN);
    tr.compression = intToType(in.readInt());
    in.setByteOrder(ByteOrder.LITTLE_ENDIAN);
    long imageSizeInBytes = in.readUnsignedInt();
    tr.xPelsPerMeter = in.readUnsignedInt();
    tr.yPelsPerMeter = in.readUnsignedInt();
    tr.clrUsed = in.readUnsignedInt();
    tr.clrImportant = in.readUnsignedInt();
    if (tr.bitCount == 0) {
        tr.bitCount = (int) (imageSizeInBytes / tr.width / tr.height * 8);
    }

    tr.format = new Format(MimeTypeKey, MIME_AVI,
            MediaTypeKey, MediaType.VIDEO,
            EncodingKey, tr.compression,
            DataClassKey, byte[].class,
            WidthKey, tr.width,
            HeightKey, tr.height,
            DepthKey, tr.bitCount,
            PixelAspectRatioKey, new Rational(1, 1),
            FrameRateKey, new Rational(tr.rate, tr.scale),
            FixedFrameRateKey, true);
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入方法依赖的package包/类
/**
 * </pre> //---------------------- // AVI Bitmap Info Header //
 * ---------------------- typedef struct { BYTE blue; BYTE green; BYTE red;
 * BYTE reserved; } RGBQUAD;
 *
 * // Values for this enum taken from: //
 * http://www.fourcc.org/index.php?http%3A//www.fourcc.org/rgb.php enum {
 * BI_RGB = 0x00000000, RGB = 0x32424752, // Alias for BI_RGB BI_RLE8 =
 * 0x01000000, RLE8 = 0x38454C52, // Alias for BI_RLE8 BI_RLE4 = 0x00000002,
 * RLE4 = 0x34454C52, // Alias for BI_RLE4 BI_BITFIELDS = 0x00000003, raw =
 * 0x32776173, RGBA = 0x41424752, RGBT = 0x54424752, cvid = "cvid" }
 * bitmapCompression;
 *
 * typedef struct { DWORD structSize; DWORD width; DWORD height; WORD
 * planes; WORD bitCount; FOURCC enum bitmapCompression compression; DWORD
 * imageSizeInBytes; DWORD xPelsPerMeter; DWORD yPelsPerMeter; DWORD
 * numberOfColorsUsed; DWORD numberOfColorsImportant; RGBQUAD colors[]; }
 * BITMAPINFOHEADER;
 * </pre>
 *
 *
 * @param tr
 * @param data
 * @throws IOException
 */
private void readVideoSTRF(VideoTrack tr, byte[] data) throws IOException {
    ByteArrayImageInputStream in = new ByteArrayImageInputStream(data, ByteOrder.LITTLE_ENDIAN);


    long structSize = in.readUnsignedInt();
    tr.width = in.readInt();
    tr.height = in.readInt();
    tr.planes = in.readUnsignedShort();
    tr.bitCount = in.readUnsignedShort();
    in.setByteOrder(ByteOrder.BIG_ENDIAN);
    tr.compression = intToType(in.readInt());
    in.setByteOrder(ByteOrder.LITTLE_ENDIAN);
    long imageSizeInBytes = in.readUnsignedInt();
    tr.xPelsPerMeter = in.readUnsignedInt();
    tr.yPelsPerMeter = in.readUnsignedInt();
    tr.clrUsed = in.readUnsignedInt();
    tr.clrImportant = in.readUnsignedInt();
    if (tr.bitCount == 0) {
        tr.bitCount = (int) (imageSizeInBytes / tr.width / tr.height * 8);
    }

    tr.format = new Format(MimeTypeKey, MIME_AVI,
            MediaTypeKey, MediaType.VIDEO,
            EncodingKey, tr.compression,
            DataClassKey, byte[].class,
            WidthKey, tr.width,
            HeightKey, tr.height,
            DepthKey, tr.bitCount,
            PixelAspectRatioKey, new Rational(1, 1),
            FrameRateKey, new Rational(tr.rate, tr.scale),
            FixedFrameRateKey, true);
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入方法依赖的package包/类
/**
 * Reads an AVI Stream Header and returns a Track object.
 */
/*typedef struct {
 *     FOURCC enum aviStrhType type; 
 *        // Contains a FOURCC that specifies the type of the data contained in 
 *        // the stream. The following standard AVI values for video and audio are 
 *        // defined.
 *     FOURCC handler;
 *     DWORD  set aviStrhFlags flags;
 *     WORD   priority;
 *     WORD   language;
 *     DWORD  initialFrames;
 *     DWORD  scale;
 *     DWORD  rate;
 *     DWORD  startTime;
 *     DWORD  length;
 *     DWORD  suggestedBufferSize;
 *     DWORD  quality;
 *     DWORD  sampleSize;
 *    aviRectangle frame;
 * } AVISTREAMHEADER;     */
private Track readSTRH(byte[] data) throws IOException, ParseException {
    ByteArrayImageInputStream in = new ByteArrayImageInputStream(data, ByteOrder.LITTLE_ENDIAN);
    Track tr = null;

    in.setByteOrder(ByteOrder.BIG_ENDIAN);
    String type = intToType(in.readInt());
    in.setByteOrder(ByteOrder.LITTLE_ENDIAN);
    int handler = in.readInt();

    if (type.equals(AVIMediaType.AUDIO.fccType)) {
        tr = new AudioTrack(tracks.size(), handler);
    } else if (type.equals(AVIMediaType.VIDEO.fccType)) {
        tr = new VideoTrack(tracks.size(), handler, null);
    } else if (type.equals(AVIMediaType.MIDI.fccType)) {
        tr = new MidiTrack(tracks.size(), handler);
    } else if (type.equals(AVIMediaType.TEXT.fccType)) {
        tr = new TextTrack(tracks.size(), handler);
    } else {
        throw new ParseException("Unknown track type " + type);
    }

    tr.fccHandler = handler;

    tr.flags = in.readInt();
    tr.priority = in.readUnsignedShort();
    tr.language = in.readUnsignedShort();
    tr.initialFrames = in.readUnsignedInt();
    tr.scale = in.readUnsignedInt();
    tr.rate = in.readUnsignedInt();
    tr.startTime = in.readUnsignedInt();
    tr.length = in.readUnsignedInt();
    /*tr.suggestedBufferSize=*/ in.readUnsignedInt();
    tr.quality = in.readInt();
    /*tr.sampleSize=*/ in.readUnsignedInt();
    tr.frameLeft = in.readShort();
    tr.frameTop = in.readShort();
    tr.frameRight = in.readShort();
    tr.frameBottom = in.readShort();

    return tr;
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入方法依赖的package包/类
/**
 * imageCount*16 byte MP Entry Information.
 */
private void readMPEntries(TIFFInputStream tin, IFDEntry mpEntryInformation, TIFFDirectory parent, ArrayList<FileSegment> tiffSeg) throws IOException {
    byte[] buf = (byte[]) mpEntryInformation.readData(tin);
    TagSet tagSet = MPEntryTagSet.getInstance();
    ByteArrayImageInputStream in = new ByteArrayImageInputStream(buf);
    ByteOrder bo = tin.getByteOrder();
    in.setByteOrder(bo);
    int numImages = (int) mpEntryInformation.getLength() / 16;
    try {
        for (int imageCount = 0; imageCount < numImages; imageCount++) {
            TIFFDirectory ifdNode = new TIFFDirectory(tagSet, tagSet.getTag(MPFTagSet.TAG_MPEntryInformation), imageCount, mpEntryInformation.getValueOffset(), 16 * imageCount, tiffSeg);

            parent.add(ifdNode);

            int imageAttr = in.readInt();
            short dpif = (short) (imageAttr >>> 31);
            ifdNode.add(new TIFFField(tagSet.getTag(MPEntryTagSet.TAG_DependentParentImageFlag), dpif));

            short dcif = (short) ((imageAttr >>> 30) & 1);
            ifdNode.add(new TIFFField(tagSet.getTag(MPEntryTagSet.TAG_DependentChildImageFlag), dcif));

            short rif = (short) ((imageAttr >>> 29) & 1);
            ifdNode.add(new TIFFField(tagSet.getTag(MPEntryTagSet.TAG_RepresentativeImageFlag), rif));

            short idf = (short) ((imageAttr >>> 24) & 7);
            ifdNode.add(new TIFFField(tagSet.getTag(MPEntryTagSet.TAG_ImageDataFormat), idf));

            long mptc = (imageAttr & 0xffffffL);
            ifdNode.add(new TIFFField(tagSet.getTag(MPEntryTagSet.TAG_MPTypeCode), mptc));

            // Read the individual image size
            long imageSize = in.readInt() & 0xffffffffL;
            ifdNode.add(new TIFFField(tagSet.getTag(MPEntryTagSet.TAG_IndividualImageSize), imageSize));

            // Read the individual data offset
            long imageOffset = in.readInt() & 0xffffffffL;
            ifdNode.add(new TIFFField(tagSet.getTag(MPEntryTagSet.TAG_IndividualImageDataOffset), imageOffset));
            imageOffsets.add(imageOffset);
            // Read the dependent image 1 entry number
            int dependentImageEntryNumber = in.readUnsignedShort();
            ifdNode.add(new TIFFField(tagSet.getTag(MPEntryTagSet.TAG_DependentImage1EntryNumber), dependentImageEntryNumber));

            // Read the dependent image 2 entry number
            dependentImageEntryNumber = in.readUnsignedShort();
            ifdNode.add(new TIFFField(tagSet.getTag(MPEntryTagSet.TAG_DependentImage2EntryNumber), dependentImageEntryNumber));
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        in.close();
    }
}