public override void onDrawFrame(GL10 gl)
{
mFrameLock.@lock();
if (mCurrentFrame != null && !mVideoDisabled)
{
GLES20.glUseProgram(mProgram);
if (mTextureWidth != mCurrentFrame.Width || mTextureHeight != mCurrentFrame.Height)
{
setupTextures(mCurrentFrame);
}
updateTextures(mCurrentFrame);
Matrix.setIdentityM(mScaleMatrix, 0);
float scaleX = 1.0f, scaleY = 1.0f;
float ratio = (float)mCurrentFrame.Width / mCurrentFrame.Height;
float vratio = (float)mViewportWidth / mViewportHeight;
if (mVideoFitEnabled)
{
if (ratio > vratio)
{
scaleY = vratio / ratio;
}
else
{
scaleX = ratio / vratio;
}
}
else
{
if (ratio < vratio)
{
scaleY = vratio / ratio;
}
else
{
scaleX = ratio / vratio;
}
}
Matrix.scaleM(mScaleMatrix, 0, scaleX * (mCurrentFrame.MirroredX ? -1.0f : 1.0f), scaleY, 1);
int mMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
GLES20.glUniformMatrix4fv(mMVPMatrixHandle, 1, false, mScaleMatrix, 0);
GLES20.glDrawElements(GLES20.GL_TRIANGLES, mVertexIndex.Length, GLES20.GL_UNSIGNED_SHORT, mDrawListBuffer);
}
else
{
//black frame when video is disabled
gl.glClearColor(0, 0, 0, 1);
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
}
mFrameLock.unlock();
}
public override bool destroyCapturer()
{
m_captureLock.@lock();
// release the object
m_audioRecord.release();
m_audioRecord = null;
m_shutdownCaptureThread = true;
m_captureEvent.signal();
m_captureLock.unlock();
return(true);
}
/// <summary>
/// {@inheritDoc}
/// </summary>
public override void Drop()
{
_commitCloseLock.@lock();
try
{
CommitLockedDrop();
}
finally
{
_commitCloseLock.unlock();
}
}
public override void Close()
{
_idContainerLock.@lock();
try
{
_idContainer.close(_highId);
}
finally
{
_idContainerLock.unlock();
}
}
internal virtual void Create()
{
PopulatorLock.@lock();
try
{
if (PopulationOngoing)
{
Populator.create();
}
}
finally
{
PopulatorLock.unlock();
}
}
public override bool destroyRenderer()
{
m_rendererLock.@lock();
// release the object
m_audioTrack.release();
m_audioTrack = null;
m_shutdownRenderThread = true;
m_renderEvent.signal();
m_rendererLock.unlock();
unregisterHeadsetReceiver();
m_audioManager.SpeakerphoneOn = false;
m_audioManager.Mode = AudioManager.MODE_NORMAL;
return(true);
}
public override void Close()
{
_lockClientCleanupLock.@lock();
try
{
if (_locks != null)
{
_locks.close();
_locks = null;
_active = false;
}
}
finally
{
_lockClientCleanupLock.unlock();
}
}
private void reload()
{
if (reloadLock.tryLock())
{
try {
longToString = buildMapping();
} catch (IOException ioe) {
throw new InvalidOperationException(ioe);
} finally {
reloadLock.unlock();
}
}
}
public virtual void dispose()
{
@lock.unlock();
}
public override int startCapture()
{
if (isCaptureStarted)
{
return(-1);
}
// Set the preferred capturing size
configureCaptureSize(PREFERRED_CAPTURE_WIDTH, PREFERRED_CAPTURE_HEIGHT);
// Set the capture parameters
Camera.Parameters parameters = mCamera.Parameters;
parameters.setPreviewSize(mCaptureWidth, mCaptureHeight);
parameters.PreviewFormat = PIXEL_FORMAT;
parameters.PreviewFrameRate = mCaptureFPS;
try
{
mCamera.Parameters = parameters;
}
catch (Exception e)
{
Log.e(LOGTAG, "setParameters failed", e);
return(-1);
}
// Create capture buffers
PixelFormat pixelFormat = new PixelFormat();
PixelFormat.getPixelFormatInfo(PIXEL_FORMAT, pixelFormat);
int bufSize = mCaptureWidth * mCaptureHeight * pixelFormat.bitsPerPixel / 8;
sbyte[] buffer = null;
for (int i = 0; i < mNumCaptureBuffers; i++)
{
buffer = new sbyte[bufSize];
mCamera.addCallbackBuffer(buffer);
}
try
{
mSurfaceTexture = new SurfaceTexture(42);
mCamera.PreviewTexture = mSurfaceTexture;
}
catch (Exception e)
{
// TODO Auto-generated catch block
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
// Start preview
mCamera.PreviewCallbackWithBuffer = this;
mCamera.startPreview();
mPreviewBufferLock.@lock();
mExpectedFrameSize = bufSize;
isCaptureRunning = true;
mPreviewBufferLock.unlock();
isCaptureStarted = true;
return(0);
}
