Java ByteArrayImageInputStream类代码示例

import org.monte.media.io.ByteArrayImageInputStream; //导入依赖的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; //导入依赖的package包/类
public int decode(Buffer in, Buffer out) {
    out.setMetaTo(in);
    out.format = outputFormat;
    if (in.isFlag(DISCARD)) {
        return CODEC_OK;
    }
    byte[] data = (byte[]) in.data;
    if (data == null) {
        out.setFlag(DISCARD);
        return CODEC_FAILED;
    }
    ByteArrayImageInputStream tmp = new ByteArrayImageInputStream(data);

    try {
        // ImageReader ir = (ImageReader) ImageIO.getImageReadersByMIMEType("image/jpeg").next();
        ImageReader ir = new MJPGImageReader(new MJPGImageReaderSpi());
        ir.setInput(tmp);
        out.data = ir.read(0);
        ir.dispose();

        out.sampleCount = 1;
        out.offset = 0;
        out.length = (int) tmp.getStreamPosition();
        return CODEC_OK;
    } catch (IOException ex) {
        ex.printStackTrace();
        out.setFlag(DISCARD);
        return CODEC_FAILED;
    }
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入依赖的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; //导入依赖的package包/类
/**
 * Reads the Exif metadata from an AVI RIFF file.
 */
public void readAVIstrdChunk(byte[] data) throws IOException {
    int track = 0; // track number
    int scan = 0;

    root = new TIFFDirectory(null, null, -1);

    TIFFDirectory trackNode = new TIFFDirectory(TrackTagSet.getInstance(), null, track, null, null, new FileSegment(0, data.length));
    root.add(trackNode);
    ByteArrayImageInputStream in = new ByteArrayImageInputStream(data, 8, (int) data.length - 8, ByteOrder.LITTLE_ENDIAN);
    TIFFInputStream tin = new TIFFInputStream(in, ByteOrder.LITTLE_ENDIAN, 0);
    ArrayList<FileSegment> tiffSeg = new ArrayList<FileSegment>();
    tiffSeg.add(new FileSegment(scan + 8, data.length - 8));
    readTIFFIFD(tin, trackNode, tiffSeg);
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入依赖的package包/类
/**
 * Returns all thumbnails.
 */
public ArrayList<BufferedImage> getThumbnails(boolean suppressException) throws IOException {
    ArrayList<BufferedImage> thumbnails = new ArrayList<BufferedImage>();
    Stack<TIFFDirectory> stack = new Stack<TIFFDirectory>();
    stack.push((TIFFDirectory) getMetaDataTree());
    if (stack.peek() == null) {
        return thumbnails;
    }
    while (!stack.isEmpty()) {
        TIFFDirectory dir = stack.pop();
        for (TIFFNode node : dir.getChildren()) {
            if (node instanceof TIFFDirectory) {

                stack.push((TIFFDirectory) node);
            } else if (node instanceof TIFFField) {
                TIFFField field = (TIFFField) node;
                if (field.getTag() == BaselineTagSet.JPEGThumbnailImage) {
                    try {
                        thumbnails.add(0, ImageIO.read(new ByteArrayImageInputStream((byte[]) field.getData())));
                        // must insert first because we traverse in post-order
                    } catch (IOException e) {
                        if (!suppressException) {
                            throw e;
                        }
                    }
                }
            }
        }
    }
    return thumbnails;
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入依赖的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();
    }
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入依赖的package包/类
public StructTableModel readStruct(String magic, byte[] data)
        throws IOException {
    return declarations.readStruct(magic, new ByteArrayImageInputStream(data));
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入依赖的package包/类
protected BufferedImage getAmigaPicture(byte[] data) throws IOException {
    return ImageIO.read(new ByteArrayImageInputStream(data));
}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入依赖的package包/类
/**
 * /**
 * <p> The format of a video track is defined in a "strf" chunk, which
 * contains a {@code WAVEFORMATEX} struct.
 * <pre>
 * ----------------------
 * AVI Wave Format Header
 * ----------------------
 * // values for this enum taken from mmreg.h
 * enum {
 *         WAVE_FORMAT_PCM = 0x0001,
 *         //  Microsoft Corporation
 *       ...many more...
 * } wFormatTagEnum;
 *
 * typedef struct {
 *   WORD enum wFormatTagEnum formatTag;
 *   WORD  numberOfChannels;
 *   DWORD samplesPerSec;
 *   DWORD avgBytesPerSec;
 *   WORD  blockAlignment;
 *   WORD  bitsPerSample;
 *   WORD  cbSize;
 *     // Size, in bytes, of extra format information appended to the end of the
 *     // WAVEFORMATEX structure. This information can be used by non-PCM formats
 *     // to store extra attributes for the "wFormatTag". If no extra information
 *     // is required by the "wFormatTag", this member must be set to zero. For
 *     // WAVE_FORMAT_PCM formats (and only WAVE_FORMAT_PCM formats), this member
 *     // is ignored.
 *   byte[cbSize] extra;
 * } WAVEFORMATEX;
 * </pre>
 *
 *
 * @param tr
 * @param data
 * @throws java.io.IOException
 */
private void readAudioSTRF(AudioTrack tr, byte[] data) throws IOException {
    ByteArrayImageInputStream in = new ByteArrayImageInputStream(data, ByteOrder.LITTLE_ENDIAN);

    String formatTag = RIFFParser.idToString(in.readUnsignedShort());
    tr.channels = in.readUnsignedShort();
    tr.samplesPerSec = in.readUnsignedInt();
    tr.avgBytesPerSec = in.readUnsignedInt();
    tr.blockAlign = in.readUnsignedShort();
    tr.bitsPerSample = in.readUnsignedShort();
    if (data.length > 16) {
        long cbSize = in.readUnsignedShort();
        // FIXME - Don't ignore extra format information
    }

    tr.format = new Format(MimeTypeKey, MIME_AVI,
            MediaTypeKey, MediaType.AUDIO,
            EncodingKey, formatTag,
            SampleRateKey, Rational.valueOf(tr.samplesPerSec),
            SampleSizeInBitsKey, tr.bitsPerSample,
            ChannelsKey, tr.channels,
            FrameSizeKey, tr.blockAlign,
            FrameRateKey, new Rational(tr.samplesPerSec, 1),
            SignedKey, tr.bitsPerSample != 8,
            ByteOrderKey, ByteOrder.LITTLE_ENDIAN);

}
 

import org.monte.media.io.ByteArrayImageInputStream; //导入依赖的package包/类
/**
 * /**
 * <p> The format of a video track is defined in a "strf" chunk, which
 * contains a {@code WAVEFORMATEX} struct.
 * <pre>
 * ----------------------
 * AVI Wave Format Header
 * ----------------------
 * // values for this enum taken from mmreg.h
 * enum {
 *         WAVE_FORMAT_PCM = 0x0001,
 *         //  Microsoft Corporation
 *       ...many more...
 * } wFormatTagEnum;
 *
 * typedef struct {
 *   WORD enum wFormatTagEnum formatTag;
 *   WORD  numberOfChannels;
 *   DWORD samplesPerSec;
 *   DWORD avgBytesPerSec;
 *   WORD  blockAlignment;
 *   WORD  bitsPerSample;
 *   WORD  cbSize;
 *     // Size, in bytes, of extra format information appended to the end of the
 *     // WAVEFORMATEX structure. This information can be used by non-PCM formats
 *     // to store extra attributes for the "wFormatTag". If no extra information
 *     // is required by the "wFormatTag", this member must be set to zero. For
 *     // WAVE_FORMAT_PCM formats (and only WAVE_FORMAT_PCM formats), this member
 *     // is ignored.
 *   byte[cbSize] extra;
 * } WAVEFORMATEX;
 * </pre>
 *
 *
 * @param tr
 * @param data
 * @throws IOException
 */
private void readAudioSTRF(AudioTrack tr, byte[] data) throws IOException {
    ByteArrayImageInputStream in = new ByteArrayImageInputStream(data, ByteOrder.LITTLE_ENDIAN);

    String formatTag = RIFFParser.idToString(in.readUnsignedShort());
    tr.channels = in.readUnsignedShort();
    tr.samplesPerSec = in.readUnsignedInt();
    tr.avgBytesPerSec = in.readUnsignedInt();
    tr.blockAlign = in.readUnsignedShort();
    tr.bitsPerSample = in.readUnsignedShort();
    if (data.length > 16) {
        long cbSize = in.readUnsignedShort();
        // FIXME - Don't ignore extra format information
    }

    tr.format = new Format(MimeTypeKey, MIME_AVI,
            MediaTypeKey, MediaType.AUDIO,
            EncodingKey, formatTag,
            SampleRateKey, Rational.valueOf(tr.samplesPerSec),
            SampleSizeInBitsKey, tr.bitsPerSample,
            ChannelsKey, tr.channels,
            FrameSizeKey, tr.blockAlign,
            FrameRateKey, new Rational(tr.samplesPerSec, 1),
            SignedKey, tr.bitsPerSample != 8,
            ByteOrderKey, ByteOrder.LITTLE_ENDIAN);

}