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Add example CLUT to demo.

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PiperOrigin-RevId: 476390089
(cherry picked from commit 5b3efa8ad9557419a68a1a172c1d584aeecfd433)
This commit is contained in:
leonwind 2022-09-23 16:28:25 +00:00 committed by microkatz
parent 09e0dd8505
commit 638d806a49
2 changed files with 28 additions and 10 deletions
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9
demos/transformer/src/main/java/androidx/media3/demo/transformer/ConfigurationActivity.java
View File

@ -112,6 +112,7 @@ public final class ConfigurationActivity extends AppCompatActivity {
"Dizzy crop",
"Edge detector (Media Pipe)",
"Color filters",
"Map White to Green Color Lookup Table",
"RGB Adjustments",
"HSL Adjustments",
"Contrast",
@ -121,10 +122,10 @@ public final class ConfigurationActivity extends AppCompatActivity {
"Zoom in start",
};
private static final int COLOR_FILTERS_INDEX = 2;
private static final int RGB_ADJUSTMENTS_INDEX = 3;
private static final int HSL_ADJUSTMENT_INDEX = 4;
private static final int CONTRAST_INDEX = 5;
private static final int PERIODIC_VIGNETTE_INDEX = 6;
private static final int RGB_ADJUSTMENTS_INDEX = 4;
private static final int HSL_ADJUSTMENT_INDEX = 5;
private static final int CONTRAST_INDEX = 6;
private static final int PERIODIC_VIGNETTE_INDEX = 7;
private static final String SAME_AS_INPUT_OPTION = "same as input";
private static final float HALF_DIAGONAL = 1f / (float) Math.sqrt(2);

29
demos/transformer/src/main/java/androidx/media3/demo/transformer/TransformerActivity.java
View File

@ -23,6 +23,7 @@ import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
@ -48,6 +49,7 @@ import androidx.media3.effect.HslAdjustment;
import androidx.media3.effect.RgbAdjustment;
import androidx.media3.effect.RgbFilter;
import androidx.media3.effect.RgbMatrix;
import androidx.media3.effect.SingleColorLut;
import androidx.media3.exoplayer.ExoPlayer;
import androidx.media3.exoplayer.util.DebugTextViewHelper;
import androidx.media3.transformer.DefaultEncoderFactory;
@ -337,6 +339,21 @@ public final class TransformerActivity extends AppCompatActivity {
}
}
if (selectedEffects[3]) {
int length = 3;
int[][][] mapWhiteToGreenLut = new int[length][length][length];
int scale = 255 / (length - 1);
for (int r = 0; r < length; r++) {
for (int g = 0; g < length; g++) {
for (int b = 0; b < length; b++) {
mapWhiteToGreenLut[r][g][b] =
Color.rgb(/* red= */ r * scale, /* green= */ g * scale, /* blue= */ b * scale);
}
}
}
mapWhiteToGreenLut[length - 1][length - 1][length - 1] = Color.GREEN;
effects.add(SingleColorLut.createFromCube(mapWhiteToGreenLut));
}
if (selectedEffects[4]) {
effects.add(
new RgbAdjustment.Builder()
.setRedScale(bundle.getFloat(ConfigurationActivity.RGB_ADJUSTMENT_RED_SCALE))
@ -344,7 +361,7 @@ public final class TransformerActivity extends AppCompatActivity {
.setBlueScale(bundle.getFloat(ConfigurationActivity.RGB_ADJUSTMENT_BLUE_SCALE))
.build());
}
if (selectedEffects[4]) {
if (selectedEffects[5]) {
effects.add(
new HslAdjustment.Builder()
.adjustHue(bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_HUE))
@ -353,10 +370,10 @@ public final class TransformerActivity extends AppCompatActivity {
.adjustLightness(bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_LIGHTNESS))
.build());
}
if (selectedEffects[5]) {
if (selectedEffects[6]) {
effects.add(new Contrast(bundle.getFloat(ConfigurationActivity.CONTRAST_VALUE)));
}
if (selectedEffects[6]) {
if (selectedEffects[7]) {
effects.add(
(GlEffect)
(Context context, boolean useHdr) ->
@ -371,13 +388,13 @@ public final class TransformerActivity extends AppCompatActivity {
ConfigurationActivity.PERIODIC_VIGNETTE_OUTER_RADIUS),
bundle.getFloat(ConfigurationActivity.PERIODIC_VIGNETTE_OUTER_RADIUS)));
}
if (selectedEffects[6]) {
if (selectedEffects[8]) {
effects.add(MatrixTransformationFactory.createSpin3dEffect());
}
if (selectedEffects[7]) {
if (selectedEffects[9]) {
effects.add((GlEffect) BitmapOverlayProcessor::new);
}
if (selectedEffects[8]) {
if (selectedEffects[10]) {
effects.add(MatrixTransformationFactory.createZoomInTransition());
}
transformerBuilder.setVideoEffects(effects.build());