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Add example CLUT to demo.

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PiperOrigin-RevId: 476390089
This commit is contained in:
leonwind 2022-09-23 16:28:25 +00:00 committed by Marc Baechinger
parent 44b9aec0b9
commit 5b3efa8ad9
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", "Dizzy crop",
"Edge detector (Media Pipe)", "Edge detector (Media Pipe)",
"Color filters", "Color filters",
"Map White to Green Color Lookup Table",
"RGB Adjustments", "RGB Adjustments",
"HSL Adjustments", "HSL Adjustments",
"Contrast", "Contrast",
@ -121,10 +122,10 @@ public final class ConfigurationActivity extends AppCompatActivity {
"Zoom in start", "Zoom in start",
}; };
private static final int COLOR_FILTERS_INDEX = 2; private static final int COLOR_FILTERS_INDEX = 2;
private static final int RGB_ADJUSTMENTS_INDEX = 3; private static final int RGB_ADJUSTMENTS_INDEX = 4;
private static final int HSL_ADJUSTMENT_INDEX = 4; private static final int HSL_ADJUSTMENT_INDEX = 5;
private static final int CONTRAST_INDEX = 5; private static final int CONTRAST_INDEX = 6;
private static final int PERIODIC_VIGNETTE_INDEX = 6; private static final int PERIODIC_VIGNETTE_INDEX = 7;
private static final String SAME_AS_INPUT_OPTION = "same as input"; private static final String SAME_AS_INPUT_OPTION = "same as input";
private static final float HALF_DIAGONAL = 1f / (float) Math.sqrt(2); 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.Context;
import android.content.Intent; import android.content.Intent;
import android.content.pm.PackageManager; import android.content.pm.PackageManager;
import android.graphics.Color;
import android.net.Uri; import android.net.Uri;
import android.os.Bundle; import android.os.Bundle;
import android.os.Handler; import android.os.Handler;
@ -48,6 +49,7 @@ import androidx.media3.effect.HslAdjustment;
import androidx.media3.effect.RgbAdjustment; import androidx.media3.effect.RgbAdjustment;
import androidx.media3.effect.RgbFilter; import androidx.media3.effect.RgbFilter;
import androidx.media3.effect.RgbMatrix; import androidx.media3.effect.RgbMatrix;
import androidx.media3.effect.SingleColorLut;
import androidx.media3.exoplayer.ExoPlayer; import androidx.media3.exoplayer.ExoPlayer;
import androidx.media3.exoplayer.util.DebugTextViewHelper; import androidx.media3.exoplayer.util.DebugTextViewHelper;
import androidx.media3.transformer.DefaultEncoderFactory; import androidx.media3.transformer.DefaultEncoderFactory;
@ -337,6 +339,21 @@ public final class TransformerActivity extends AppCompatActivity {
} }
} }
if (selectedEffects[3]) { 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( effects.add(
new RgbAdjustment.Builder() new RgbAdjustment.Builder()
.setRedScale(bundle.getFloat(ConfigurationActivity.RGB_ADJUSTMENT_RED_SCALE)) .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)) .setBlueScale(bundle.getFloat(ConfigurationActivity.RGB_ADJUSTMENT_BLUE_SCALE))
.build()); .build());
} }
if (selectedEffects[4]) { if (selectedEffects[5]) {
effects.add( effects.add(
new HslAdjustment.Builder() new HslAdjustment.Builder()
.adjustHue(bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_HUE)) .adjustHue(bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_HUE))
@ -353,10 +370,10 @@ public final class TransformerActivity extends AppCompatActivity {
.adjustLightness(bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_LIGHTNESS)) .adjustLightness(bundle.getFloat(ConfigurationActivity.HSL_ADJUSTMENTS_LIGHTNESS))
.build()); .build());
} }
if (selectedEffects[5]) { if (selectedEffects[6]) {
effects.add(new Contrast(bundle.getFloat(ConfigurationActivity.CONTRAST_VALUE))); effects.add(new Contrast(bundle.getFloat(ConfigurationActivity.CONTRAST_VALUE)));
} }
if (selectedEffects[6]) { if (selectedEffects[7]) {
effects.add( effects.add(
(GlEffect) (GlEffect)
(Context context, boolean useHdr) -> (Context context, boolean useHdr) ->
@ -371,13 +388,13 @@ public final class TransformerActivity extends AppCompatActivity {
ConfigurationActivity.PERIODIC_VIGNETTE_OUTER_RADIUS), ConfigurationActivity.PERIODIC_VIGNETTE_OUTER_RADIUS),
bundle.getFloat(ConfigurationActivity.PERIODIC_VIGNETTE_OUTER_RADIUS))); bundle.getFloat(ConfigurationActivity.PERIODIC_VIGNETTE_OUTER_RADIUS)));
} }
if (selectedEffects[6]) { if (selectedEffects[8]) {
effects.add(MatrixTransformationFactory.createSpin3dEffect()); effects.add(MatrixTransformationFactory.createSpin3dEffect());
} }
if (selectedEffects[7]) { if (selectedEffects[9]) {
effects.add((GlEffect) BitmapOverlayProcessor::new); effects.add((GlEffect) BitmapOverlayProcessor::new);
} }
if (selectedEffects[8]) { if (selectedEffects[10]) {
effects.add(MatrixTransformationFactory.createZoomInTransition()); effects.add(MatrixTransformationFactory.createZoomInTransition());
} }
transformerBuilder.setVideoEffects(effects.build()); transformerBuilder.setVideoEffects(effects.build());