Merge "Add property to override backdropper effect threshold." into jb-dev (0a4cbc32) · Commits · e / os / android_frameworks_base

media/mca/filterpacks/java/android/filterpacks/videoproc/BackDropperFilter.java

+26 −2

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ import android.filterfw.core.ShaderProgram;
		import android.filterfw.format.ImageFormat;
		import android.opengl.GLES20;
		import android.os.SystemClock;
		import android.os.SystemProperties;
		import android.util.Log;

		import java.lang.ArrayIndexOutOfBoundsException;
		@@ -510,6 +511,20 @@ public class BackDropperFilter extends Filter {
		super(name);

		mLogVerbose = Log.isLoggable(TAG, Log.VERBOSE);

		String adjStr = SystemProperties.get("ro.media.effect.bgdropper.adj");
		if (adjStr.length() > 0) {
		try {
		mAcceptStddev += Float.parseFloat(adjStr);
		if (mLogVerbose) {
		Log.v(TAG, "Adjusting accept threshold by " + adjStr +
		", now " + mAcceptStddev);
		}
		} catch (NumberFormatException e) {
		Log.e(TAG,
		"Badly formatted property ro.media.effect.bgdropper.adj: " + adjStr);
		}
		}
		}

		@Override
		@@ -695,7 +710,6 @@ public class BackDropperFilter extends Filter {
		mBgUpdateVarianceProgram.setHostValue("bg_adapt_rate", mAdaptRateLearning);
		mBgUpdateVarianceProgram.setHostValue("fg_adapt_rate", mAdaptRateLearning);
		mFrameCount = 0;
		mStartLearning = false;
		}

		// Select correct pingpong buffers
		@@ -720,6 +734,11 @@ public class BackDropperFilter extends Filter {
		mBgInput.setTextureParameter(GLES20.GL_TEXTURE_MIN_FILTER,
		GLES20.GL_LINEAR_MIPMAP_NEAREST);

		if (mStartLearning) {
		copyShaderProgram.process(mVideoInput, mBgMean[inputIndex]);
		mStartLearning = false;
		}

		// Process shaders
		Frame[] distInputs = { mVideoInput, mBgMean[inputIndex], mBgVariance[inputIndex] };
		mBgDistProgram.process(distInputs, mDistance);
		@@ -765,7 +784,12 @@ public class BackDropperFilter extends Filter {
		ByteBuffer mMaskAverageByteBuffer = mMaskAverage.getData();
		byte[] mask_average = mMaskAverageByteBuffer.array();
		int bi = (int)(mask_average[3] & 0xFF);
		if (mLogVerbose) Log.v(TAG, String.format("Mask_average is %d", bi));

		if (mLogVerbose) {
		Log.v(TAG,
		String.format("Mask_average is %d, threshold is %d",
		bi, DEFAULT_LEARNING_DONE_THRESHOLD));
		}

		if (bi >= DEFAULT_LEARNING_DONE_THRESHOLD) {
		mStartLearning = true; // Restart learning