Examples with ShortBuffer java.nio.ShortBuffer used on opensource projects

Example 71 with ShortBuffer

use of java.nio.ShortBuffer in project Purus-Pasta by puruscor.

the class MapMesh method consflat.

private void consflat() {
    class Buf implements Tiler.MCons {

        int vn = 0, in = 0, vl = sz.x * sz.y * 4;

        float[] pos = new float[vl * 3];

        float[] col = new float[vl * 4];

        short[] ind = new short[sz.x * sz.y * 6];

        public void faces(MapMesh m, Tiler.MPart d) {
            if (vn + d.v.length > vl) {
                vl *= 2;
                pos = Utils.extend(pos, vl * 12);
                col = Utils.extend(col, vl * 16);
            }
            float cx = (d.lc.x + 1) / 256.0f, cy = (d.lc.y + 1) / 256.0f;
            for (int i = 0; i < d.v.length; i++) {
                int pb = (vn + i) * 3, cb = (vn + i) * 4;
                pos[pb + 0] = d.v[i].x;
                pos[pb + 1] = d.v[i].y;
                pos[pb + 2] = d.v[i].z;
                col[cb + 0] = cx;
                col[cb + 1] = cy;
                col[cb + 2] = d.tcx[i];
                col[cb + 3] = d.tcy[i];
            }
            if (in + d.f.length > ind.length)
                ind = Utils.extend(ind, ind.length * 2);
            for (int fi : d.f) ind[in++] = (short) (vn + fi);
            vn += d.v.length;
        }
    }
    Buf buf = new Buf();
    Coord c = new Coord();
    for (c.y = 0; c.y < sz.y; c.y++) {
        for (c.x = 0; c.x < sz.x; c.x++) {
            Coord gc = c.add(ul);
            map.tiler(map.gettile(gc)).lay(this, c, gc, buf, true);
        }
    }
    float[] pos = buf.pos, col = buf.col;
    short[] ind = buf.ind;
    if (pos.length != buf.vn * 3)
        pos = Utils.extend(pos, buf.vn * 3);
    if (col.length != buf.vn * 4)
        col = Utils.extend(col, buf.vn * 4);
    if (ind.length != buf.in)
        ind = Utils.extend(ind, buf.in);
    VertexBuf.VertexArray posa = new VertexBuf.VertexArray(FloatBuffer.wrap(pos));
    VertexBuf.ColorArray cola = new VertexBuf.ColorArray(FloatBuffer.wrap(col));
    ShortBuffer indb = ShortBuffer.wrap(ind);
    flats = new FastMesh[] { new FastMesh(new VertexBuf(posa), indb), new FastMesh(new VertexBuf(posa, cola), indb) };
}

Example 72 with ShortBuffer

use of java.nio.ShortBuffer in project Pix-Art-Messenger by kriztan.

the class AudioChannel method feedEncoder.

public boolean feedEncoder(long timeoutUs) {
    final boolean hasOverflow = mOverflowBuffer.data != null && mOverflowBuffer.data.hasRemaining();
    if (mFilledBuffers.isEmpty() && !hasOverflow) {
        // No audio data - Bail out
        return false;
    }
    final int encoderInBuffIndex = mEncoder.dequeueInputBuffer(timeoutUs);
    if (encoderInBuffIndex < 0) {
        // Encoder is full - Bail out
        return false;
    }
    // Drain overflow first
    final ShortBuffer outBuffer = mEncoderBuffers.getInputBuffer(encoderInBuffIndex).asShortBuffer();
    if (hasOverflow) {
        final long presentationTimeUs = drainOverflow(outBuffer);
        mEncoder.queueInputBuffer(encoderInBuffIndex, 0, outBuffer.position() * BYTES_PER_SHORT, presentationTimeUs, 0);
        return true;
    }
    final AudioBuffer inBuffer = mFilledBuffers.poll();
    if (inBuffer.bufferIndex == BUFFER_INDEX_END_OF_STREAM) {
        mEncoder.queueInputBuffer(encoderInBuffIndex, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
        return false;
    }
    final long presentationTimeUs = remixAndMaybeFillOverflow(inBuffer, outBuffer);
    mEncoder.queueInputBuffer(encoderInBuffIndex, 0, outBuffer.position() * BYTES_PER_SHORT, presentationTimeUs, 0);
    if (inBuffer != null) {
        mDecoder.releaseOutputBuffer(inBuffer.bufferIndex, false);
        mEmptyBuffers.add(inBuffer);
    }
    return true;
}

Example 73 with ShortBuffer

use of java.nio.ShortBuffer in project Pix-Art-Messenger by kriztan.

the class AudioChannel method drainOverflow.

private long drainOverflow(final ShortBuffer outBuff) {
    final ShortBuffer overflowBuff = mOverflowBuffer.data;
    final int overflowLimit = overflowBuff.limit();
    final int overflowSize = overflowBuff.remaining();
    final long beginPresentationTimeUs = mOverflowBuffer.presentationTimeUs + sampleCountToDurationUs(overflowBuff.position(), mInputSampleRate, mOutputChannelCount);
    outBuff.clear();
    // Limit overflowBuff to outBuff's capacity
    overflowBuff.limit(outBuff.capacity());
    // Load overflowBuff onto outBuff
    outBuff.put(overflowBuff);
    if (overflowSize >= outBuff.capacity()) {
        // Overflow fully consumed - Reset
        overflowBuff.clear().limit(0);
    } else {
        // Only partially consumed - Keep position & restore previous limit
        overflowBuff.limit(overflowLimit);
    }
    return beginPresentationTimeUs;
}

Example 74 with ShortBuffer

use of java.nio.ShortBuffer in project bioformats by openmicroscopy.

the class CellH5Writer method saveBytes.

/**
 * Saves the given image to the specified (possibly already open) file.
 */
@Override
public void saveBytes(int no, byte[] buf) throws IOException, FormatException {
    LOGGER.info("CellH5Writer: Save image to HDF5 path: " + outputPath);
    MetadataRetrieve r = getMetadataRetrieve();
    int sizeX = r.getPixelsSizeX(series).getValue();
    int sizeY = r.getPixelsSizeY(series).getValue();
    int sizeC = r.getPixelsSizeC(series).getValue();
    int sizeT = r.getPixelsSizeT(series).getValue();
    int sizeZ = r.getPixelsSizeZ(series).getValue();
    DimensionOrder dimo = r.getPixelsDimensionOrder(0);
    int c, z, t;
    if (dimo.equals(DimensionOrder.XYCZT)) {
        c = no % sizeC;
        z = ((no - c) / sizeC) % sizeZ;
        t = (((no - c) / sizeC)) / sizeZ;
    } else if (dimo.equals(DimensionOrder.XYCTZ)) {
        c = no % sizeC;
        t = ((no - c) / sizeC) % sizeT;
        z = (((no - c) / sizeC)) / sizeT;
    } else if (dimo.equals(DimensionOrder.XYZTC)) {
        z = no % sizeZ;
        t = ((no - z) / sizeZ) % sizeT;
        c = (((no - z) / sizeZ)) / sizeT;
    } else {
        throw new FormatException("CellH5Writer: Dimension order not understood: " + dimo.getValue());
    }
    LOGGER.info("CellH5Writer.saveBytes(): Current c, t, z == {} {} {}", c, t, z);
    LOGGER.info("CellH5Writer.saveBytes(): bpp {} byte buffer len {}", bpp, buf.length);
    if (bpp == 1) {
        MDByteArray image = new MDByteArray(new int[] { 1, 1, 1, sizeY, sizeX });
        for (int x_i = 0; x_i < sizeX; x_i++) {
            for (int y_i = 0; y_i < sizeY; y_i++) {
                byte value = (byte) buf[y_i * sizeX + x_i];
                image.set(value, 0, 0, 0, y_i, x_i);
            }
        }
        jhdf.writeArraySlice(outputPath, image, new long[] { c, t, z, 0, 0 });
    } else if (bpp == 2) {
        ByteBuffer bb = ByteBuffer.wrap(buf);
        ShortBuffer sb = bb.asShortBuffer();
        MDShortArray image = new MDShortArray(new int[] { 1, 1, 1, sizeY, sizeX });
        for (int x_i = 0; x_i < sizeX; x_i++) {
            for (int y_i = 0; y_i < sizeY; y_i++) {
                short value = sb.get(y_i * sizeX + x_i);
                image.set(value, 0, 0, 0, y_i, x_i);
            }
        }
        jhdf.writeArraySlice(outputPath, image, new long[] { c, t, z, 0, 0 });
    } else if (bpp == 4) {
        ByteBuffer bb = ByteBuffer.wrap(buf);
        IntBuffer ib = bb.asIntBuffer();
        MDIntArray image = new MDIntArray(new int[] { 1, 1, 1, sizeY, sizeX });
        for (int x_i = 0; x_i < sizeX; x_i++) {
            for (int y_i = 0; y_i < sizeY; y_i++) {
                int value = (int) ib.get(y_i * sizeX + x_i);
                image.set(value, 0, 0, 0, y_i, x_i);
            }
        }
        jhdf.writeArraySlice(outputPath, image, new long[] { c, t, z, 0, 0 });
    } else {
        throw new FormatException("CellH5Writer: Pixel type not supported");
    }
}

Example 75 with ShortBuffer

use of java.nio.ShortBuffer in project narchy by automenta.

the class SND_MIX method PaintChannelFrom16.

static void PaintChannelFrom16(channel_t ch, sfxcache_t sc, int count, int offset) {
    int data;
    int left, right;
    int leftvol, rightvol;
    int sfx;
    int i;
    portable_samplepair_t samp;
    leftvol = ch.leftvol * snd_vol;
    rightvol = ch.rightvol * snd_vol;
    ByteBuffer bb = ByteBuffer.wrap(sc.data);
    bb.order(ByteOrder.LITTLE_ENDIAN);
    ShortBuffer sb = bb.asShortBuffer();
    sfx = ch.pos;
    // samp = paintbuffer[offset];
    for (i = 0; i < count; i++, offset++) {
        left = paintbuffer.get(offset * 2);
        right = paintbuffer.get(offset * 2 + 1);
        data = sb.get(sfx + i);
        left += (data * leftvol) >> 8;
        right += (data * rightvol) >> 8;
        paintbuffer.put(offset * 2, left);
        paintbuffer.put(offset * 2 + 1, right);
    }
    ch.pos += count;
}