com.ociweb.pronghorn.image.schema.ImageSchema Maven / Gradle / Ivy

Go to download
package com.ociweb.pronghorn.image.schema;

import com.ociweb.pronghorn.pipe.*;

public class ImageSchema extends MessageSchema {
    public final static FieldReferenceOffsetManager FROM = new FieldReferenceOffsetManager(
            new int[]{0xc0400007,0x80000000,0x80000001,0x90000000,0x80000002,0x80000003,0xb8000000,0xc0200007,0xc0400002,0xb8000001,0xc0200002},
            (short)0,
            new String[]{"FrameStart","Width","Height","Timestamp","FrameBytes","BitsPerPixel","Encoding",
                    null,"FrameChunk","RowBytes",null},
            new long[]{1, 101, 201, 301, 401, 501, 601, 0, 2, 102, 0},
            new String[]{"global",null,null,null,null,null,null,null,"global",null,null},
            "ImageSchema.xml",
            new long[]{2, 2, 0},
            new int[]{2, 2, 0});


    public ImageSchema() {
        super(FROM);
    }

    protected ImageSchema(FieldReferenceOffsetManager from) {
        super(from);
    }

    public static final ImageSchema instance = new ImageSchema();

    public static final int MSG_FRAMESTART_1 = 0x00000000; //Group/OpenTempl/7
    public static final int MSG_FRAMESTART_1_FIELD_WIDTH_101 = 0x00000001; //IntegerUnsigned/None/0
    public static final int MSG_FRAMESTART_1_FIELD_HEIGHT_201 = 0x00000002; //IntegerUnsigned/None/1
    public static final int MSG_FRAMESTART_1_FIELD_TIMESTAMP_301 = 0x00800003; //LongUnsigned/None/0
    public static final int MSG_FRAMESTART_1_FIELD_FRAMEBYTES_401 = 0x00000005; //IntegerUnsigned/None/2
    public static final int MSG_FRAMESTART_1_FIELD_BITSPERPIXEL_501 = 0x00000006; //IntegerUnsigned/None/3
    public static final int MSG_FRAMESTART_1_FIELD_ENCODING_601 = 0x01c00007; //ByteVector/None/0
    public static final int MSG_FRAMECHUNK_2 = 0x00000008; //Group/OpenTempl/2
    public static final int MSG_FRAMECHUNK_2_FIELD_ROWBYTES_102 = 0x01c00001; //ByteVector/None/1

    public static void consume(Pipe input) {
        while (PipeReader.tryReadFragment(input)) {
            int msgIdx = PipeReader.getMsgIdx(input);
            switch(msgIdx) {
                case MSG_FRAMESTART_1:
                    consumeFrameStart(input);
                    break;
                case MSG_FRAMECHUNK_2:
                    consumeFrameChunk(input);
                    break;
                case -1:
                    //requestShutdown();
                    break;
            }
            PipeReader.releaseReadLock(input);
        }
    }

    public static void consumeFrameStart(Pipe input) {
        int fieldWidth = PipeReader.readInt(input,MSG_FRAMESTART_1_FIELD_WIDTH_101);
        int fieldHeight = PipeReader.readInt(input,MSG_FRAMESTART_1_FIELD_HEIGHT_201);
        long fieldTimestamp = PipeReader.readLong(input,MSG_FRAMESTART_1_FIELD_TIMESTAMP_301);
        int fieldFrameBytes = PipeReader.readInt(input,MSG_FRAMESTART_1_FIELD_FRAMEBYTES_401);
        int fieldBitsPerPixel = PipeReader.readInt(input,MSG_FRAMESTART_1_FIELD_BITSPERPIXEL_501);
        DataInputBlobReader fieldEncoding = PipeReader.inputStream(input, MSG_FRAMESTART_1_FIELD_ENCODING_601);
    }
    public static void consumeFrameChunk(Pipe input) {
        DataInputBlobReader fieldRowBytes = PipeReader.inputStream(input, MSG_FRAMECHUNK_2_FIELD_ROWBYTES_102);
    }

    public static void publishFrameStart(Pipe output, int fieldWidth, int fieldHeight, long fieldTimestamp, int fieldFrameBytes, int fieldBitsPerPixel, byte[] fieldEncodingBacking, int fieldEncodingPosition, int fieldEncodingLength) {
        PipeWriter.presumeWriteFragment(output, MSG_FRAMESTART_1);
        PipeWriter.writeInt(output,MSG_FRAMESTART_1_FIELD_WIDTH_101, fieldWidth);
        PipeWriter.writeInt(output,MSG_FRAMESTART_1_FIELD_HEIGHT_201, fieldHeight);
        PipeWriter.writeLong(output,MSG_FRAMESTART_1_FIELD_TIMESTAMP_301, fieldTimestamp);
        PipeWriter.writeInt(output,MSG_FRAMESTART_1_FIELD_FRAMEBYTES_401, fieldFrameBytes);
        PipeWriter.writeInt(output,MSG_FRAMESTART_1_FIELD_BITSPERPIXEL_501, fieldBitsPerPixel);
        PipeWriter.writeBytes(output,MSG_FRAMESTART_1_FIELD_ENCODING_601, fieldEncodingBacking, fieldEncodingPosition, fieldEncodingLength);
        PipeWriter.publishWrites(output);
    }
    public static void publishFrameChunk(Pipe output, byte[] fieldRowBytesBacking, int fieldRowBytesPosition, int fieldRowBytesLength) {
        PipeWriter.presumeWriteFragment(output, MSG_FRAMECHUNK_2);
        PipeWriter.writeBytes(output,MSG_FRAMECHUNK_2_FIELD_ROWBYTES_102, fieldRowBytesBacking, fieldRowBytesPosition, fieldRowBytesLength);
        PipeWriter.publishWrites(output);
    }
}