mirror of
https://github.com/samsonjs/media.git
synced 2026-04-11 12:15:47 +00:00
266dc5a6d6
This adds an effect to change the speed of the video track. The speed of the audio track can already be changed using a SonicAudioProcessor. Issue: androidx/media#559 PiperOrigin-RevId: 555155418
69 lines
2.8 KiB
Java
69 lines
2.8 KiB
Java
/*
|
|
* Copyright 2023 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* https://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
package androidx.media3.effect;
|
|
|
|
import static androidx.media3.test.utils.BitmapPixelTestUtil.readBitmap;
|
|
import static com.google.common.truth.Truth.assertThat;
|
|
|
|
import androidx.media3.common.C;
|
|
import androidx.media3.common.Effect;
|
|
import androidx.media3.common.VideoFrameProcessor;
|
|
import androidx.media3.test.utils.VideoFrameProcessorTestRunner;
|
|
import androidx.test.ext.junit.runners.AndroidJUnit4;
|
|
import com.google.common.collect.ImmutableList;
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
import org.junit.Rule;
|
|
import org.junit.Test;
|
|
import org.junit.rules.TestName;
|
|
import org.junit.runner.RunWith;
|
|
|
|
/** Tests for {@link SpeedChangeEffect}. */
|
|
@RunWith(AndroidJUnit4.class)
|
|
public class SpeedChangeEffectTest {
|
|
|
|
@Rule public final TestName testName = new TestName();
|
|
|
|
private static final String IMAGE_PATH =
|
|
"media/bitmap/sample_mp4_first_frame/electrical_colors/original.png";
|
|
|
|
@Test
|
|
public void changeSpeed_outputsFramesAtTheCorrectPresentationTimesUs() throws Exception {
|
|
String testId = testName.getMethodName();
|
|
VideoFrameProcessor.Factory videoFrameProcessorFactory =
|
|
new DefaultVideoFrameProcessor.Factory.Builder().build();
|
|
ImmutableList<Effect> effects = ImmutableList.of(new SpeedChangeEffect(2f));
|
|
List<Long> outputPresentationTimesUs = new ArrayList<>();
|
|
VideoFrameProcessorTestRunner.OnOutputFrameAvailableForRenderingListener
|
|
onOutputFrameAvailableForRenderingListener = outputPresentationTimesUs::add;
|
|
VideoFrameProcessorTestRunner videoFrameProcessorTestRunner =
|
|
new VideoFrameProcessorTestRunner.Builder()
|
|
.setTestId(testId)
|
|
.setVideoFrameProcessorFactory(videoFrameProcessorFactory)
|
|
.setEffects(effects)
|
|
.setOnOutputFrameAvailableForRenderingListener(
|
|
onOutputFrameAvailableForRenderingListener)
|
|
.build();
|
|
|
|
videoFrameProcessorTestRunner.queueInputBitmap(
|
|
readBitmap(IMAGE_PATH), C.MICROS_PER_SECOND, /* offsetToAddUs= */ 0L, /* frameRate= */ 5);
|
|
videoFrameProcessorTestRunner.endFrameProcessing();
|
|
|
|
assertThat(outputPresentationTimesUs)
|
|
.containsExactly(0L, 100_000L, 200_000L, 300_000L, 400_000L)
|
|
.inOrder();
|
|
}
|
|
}
|