// Copies source texture tex into this.
protected void copyTexture(
int texTarget,
int texName,
int texWidth,
int texHeight,
int x,
int y,
int w,
int h,
boolean scale) {
if (tempFbo == null) {
tempFbo = new FrameBuffer(parent, glWidth, glHeight);
}
// This texture is the color (destination) buffer of the FBO.
tempFbo.setColorBuffer(this);
tempFbo.disableDepthTest();
// FBO copy:
pg.pushFramebuffer();
pg.setFramebuffer(tempFbo);
if (scale) {
// Rendering tex into "this", and scaling the source rectangle
// to cover the entire destination region.
pgl.drawTexture(texTarget, texName, texWidth, texHeight, x, y, w, h, 0, 0, width, height);
} else {
// Rendering tex into "this" but without scaling so the contents
// of the source texture fall in the corresponding texels of the
// destination.
pgl.drawTexture(texTarget, texName, texWidth, texHeight, x, y, w, h, x, y, w, h);
}
pg.popFramebuffer();
updateTexels(x, y, w, h);
}
/** Copy texture to pixels. Involves video memory to main memory transfer (slow). */
public void get(int[] pixels) {
if (pixels == null) {
throw new RuntimeException("Trying to copy texture to null pixels array");
}
if (pixels.length != width * height) {
throw new RuntimeException("Trying to copy texture to pixels array of " + "wrong size");
}
if (tempFbo == null) {
tempFbo = new FrameBuffer(parent, glWidth, glHeight);
}
// Attaching the texture to the color buffer of a FBO, binding the FBO and
// reading the pixels from the current draw buffer (which is the color
// buffer of the FBO).
tempFbo.setColorBuffer(this);
pg.pushFramebuffer();
pg.setFramebuffer(tempFbo);
tempFbo.readPixels();
pg.popFramebuffer();
tempFbo.getPixels(pixels);
convertToARGB(pixels);
if (invertedX) flipArrayOnX(pixels, 1);
if (invertedY) flipArrayOnY(pixels, 1);
}
/**
* Check to see if there are any FrameBuffers that have switched their interest type from read
* to write or vice versa.
*/
protected void processInterestChanges() {
synchronized (selectInterestChanges) {
for (FrameBuffer fb : selectInterestChanges) {
fb.changeSelectInterests();
}
selectInterestChanges.clear();
}
}
/** Do connection-close cleanup on a given SelectionKey. */
protected void cleanupSelectionKey(SelectionKey key) {
// remove the records from the two maps
FrameBuffer buffer = (FrameBuffer) key.attachment();
if (buffer != null) {
// close the buffer
buffer.close();
}
// cancel the selection key
key.cancel();
}
protected void cleanupBuffers() {
// Delete the capture buffers
for (int i = 0; i < m_CaptureBuffers.size(); ++i) {
FrameBuffer buffer = m_CaptureBuffers.get(i);
buffer.free();
}
m_FreeBufferList.clear();
m_CaptureBuffers.clear();
}
/**
* Do the work required to read from a readable client. If the frame is fully read, then invoke
* the method call.
*/
protected void handleRead(SelectionKey key) {
FrameBuffer buffer = (FrameBuffer) key.attachment();
if (!buffer.read()) {
cleanupSelectionKey(key);
return;
}
// if the buffer's frame read is complete, invoke the method.
if (buffer.isFrameFullyRead()) {
if (!requestInvoke(buffer)) {
cleanupSelectionKey(key);
}
}
}
@Override
void startLayer() {
frameBuffer = graph.obtainFrameBuffer();
frameBuffer.bind();
gl.glClearColor(0, 0, 0, 0);
gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_STENCIL_BUFFER_BIT);
}
private FrameBuffer obtainFrameBuffer() {
if (frameBuffersCache.size > 0) {
return frameBuffersCache.pop();
} else {
return FrameBuffer.obtain(width, height, Format.RGBA8888);
}
}
protected boolean allocateBuffers() {
// Allocate exactly 3 buffers to use as the capture destination while streaming.
// These buffers are passed to the SDK.
for (int i = 0; i < s_NumSdkBuffers; ++i) {
FrameBuffer buffer =
m_Stream.allocateFrameBuffer(m_VideoParams.outputWidth * m_VideoParams.outputHeight * 4);
if (!buffer.getIsValid()) {
reportError(String.format("Error while allocating frame buffer"));
return false;
}
m_CaptureBuffers.add(buffer);
m_FreeBufferList.add(buffer);
}
return true;
}
public void preWarm(FrameBuffer framebuffer) {
if (!framebuffer.usesRenderer(1)) return;
for (int i = 0; i < textureCount; i++) {
Texture texture = textures[i];
Texture texture1;
if (texture != null) texture1 = texture.getMipMappedTexture(1);
}
}
@Override
void endLayer() {
frameBuffer.unbind();
Effect effect = layer.effect;
if (effect != null) {
effect.process(frameBuffer.texture);
}
}
public void run() {
if (frameBuffer.trans_ instanceof TNonblockingSocket) {
TNonblockingSocket tsock = (TNonblockingSocket) frameBuffer.trans_;
Socket sock = tsock.getSocketChannel().socket();
clientAddress.set(sock.getInetAddress().getHostAddress() + ":" + sock.getPort());
}
frameBuffer.invoke();
}
@Override
public void reset() {
clear();
externalRootFrameBuffer = 0;
if (rootFrameBuffer != null) {
rootFrameBuffer.free();
rootFrameBuffer = null;
}
CanvasUtils.resetArray(frameBuffersCache);
frameBuffersStack.clear();
width = 0;
height = 0;
glContext = null;
}
public OverlappingFrameBuffer(FrameBuffer inner, double overlap) {
if (overlap <= 0 || overlap >= 1) {
throw new IllegalArgumentException("overlap should be > 0, < 1.");
}
this.overlap = overlap;
this.inner = inner;
this.overlapSize = (int) (overlap * inner.getFrameSize());
numFrames =
(int)
Math.floor(
(inner.getNumFrames() * inner.getFrameSize())
/ (inner.getFrameSize() - overlapSize));
double oldFps = inner.getFramesPerSecond();
double growth = (numFrames / (double) inner.getNumFrames());
fps = (oldFps * growth);
}
public void bufferUnlockCallback(long address) {
FrameBuffer buffer = FrameBuffer.lookupBuffer(address);
// Put back on the free list
m_FreeBufferList.add(buffer);
}
@Override
public double getSampleRate() {
return inner.getSampleRate();
}
@Override
public int getFrameSize() {
return inner.getFrameSize();
}
/** Let a writable client get written, if there's data to be written. */
protected void handleWrite(SelectionKey key) {
FrameBuffer buffer = (FrameBuffer) key.attachment();
if (!buffer.write()) {
cleanupSelectionKey(key);
}
}
@Override
public int getHeight() {
return frameBuffer.getHeight();
}
@Override
public int getWidth() {
return frameBuffer.getWidth();
}
public boolean isSupported() {
return FrameBuffer.isSupported();
}
void init(GlContext glContext, Texture texture) {
this.glContext = glContext;
this.width = glContext.getWidth();
this.height = glContext.getHeight();
this.rootFrameBuffer = FrameBuffer.obtain(texture);
}
// Copies source texture tex into this.
protected void copyTexture(Texture tex, int x, int y, int w, int h, boolean scale) {
if (tex == null) {
throw new RuntimeException("Source texture is null");
}
if (tempFbo == null) {
tempFbo = new FrameBuffer(glWidth, glHeight);
}
// This texture is the color (destination) buffer of the FBO.
tempFbo.setColorBuffer(this);
tempFbo.disableDepthTest();
// FBO copy:
PGraphicsOpenGL.pushFramebuffer();
PGraphicsOpenGL.setFramebuffer(tempFbo);
// Clear the color buffer to make sure that the alpha channel is set to
// full transparency
pgl.clearColor(0, 0, 0, 0);
pgl.clear(PGL.COLOR_BUFFER_BIT);
if (scale) {
// Rendering tex into "this", and scaling the source rectangle
// to cover the entire destination region.
pgl.drawTexture(
tex.glTarget,
tex.glName,
tex.glWidth,
tex.glHeight,
tempFbo.width,
tempFbo.height,
x,
y,
w,
h,
0,
0,
width,
height);
} else {
// Rendering tex into "this" but without scaling so the contents
// of the source texture fall in the corresponding texels of the
// destination.
pgl.drawTexture(
tex.glTarget,
tex.glName,
tex.glWidth,
tex.glHeight,
tempFbo.width,
tempFbo.height,
x,
y,
w,
h,
x,
y,
w,
h);
}
PGraphicsOpenGL.popFramebuffer();
updateTexels(x, y, w, h);
}
/**
* Preview frame from the camera
*
* @param data Frame
* @param camera Camera
*/
public void onPreviewFrame(byte[] data, Camera camera) {
if (!started) {
return;
}
frameBuffer.setData(data);
};
