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/*
* 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
*
* http://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 android.media.mediaediting.cts;
import static com.google.common.truth.Truth.assertThat;
import android.content.Context;
import android.net.Uri;
import android.platform.test.annotations.AppModeFull;
import androidx.media3.common.Format;
import androidx.media3.common.MediaItem;
import androidx.media3.common.MimeTypes;
import androidx.media3.transformer.EditedMediaItem;
import androidx.media3.transformer.TransformationRequest;
import androidx.media3.transformer.Transformer;
import androidx.test.core.app.ApplicationProvider;
import com.android.compatibility.common.util.ApiTest;
import com.android.compatibility.common.util.Preconditions;
import org.junit.Assume;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
/** Instrumentation tests for checking Transcoding quality for given inputs. */
@AppModeFull(reason = "Instant apps cannot access the SD card")
@RunWith(Parameterized.class)
public final class TranscodeQualityTest {
private static final String MEDIA_DIR = WorkDir.getMediaDirString();
private static final double EXPECTED_MINIMUM_SSIM = 0.9;
private final String fromMediaType;
private final String toMediaType;
private final int width;
private final int height;
private final float frameRate;
private final String testFile;
private final boolean isWithinCddRequirements;
private final String testId;
public TranscodeQualityTest(String fromMediaType, String toMediaType, int width, int height,
float frameRate, String testFile, boolean isWithinCddRequirements, String testId) {
this.fromMediaType = fromMediaType;
this.toMediaType = toMediaType;
this.width = width;
this.height = height;
this.frameRate = frameRate;
this.testFile = testFile;
this.isWithinCddRequirements = isWithinCddRequirements;
this.testId = testId;
}
@Parameterized.Parameters(name = "{index}_{7}")
public static Collection<Object[]> input() {
// fromMediaType, toMediaType, width, height, frameRate, clip, isWithinCddRequirements
// Note: isWithinCddRequirements is the test which we never skip as the input and output formats
// should be within CDD requirements on all supported API versions.
final List<Object[]> exhaustiveArgsList = new ArrayList<>(Arrays.asList(new Object[][] {
{MimeTypes.VIDEO_H264, MimeTypes.VIDEO_H264, 1920, 1080, 30.00f,
MediaEditingUtil.MP4_ASSET_H264_WITH_INCREASING_TIMESTAMPS_1920W_1080H_1S_URI_STRING,
false},
{MimeTypes.VIDEO_H264, MimeTypes.VIDEO_H265, 1920, 1080, 30.00f,
MediaEditingUtil.MP4_ASSET_H264_WITH_INCREASING_TIMESTAMPS_1920W_1080H_1S_URI_STRING,
false},
{MimeTypes.VIDEO_H264, MimeTypes.VIDEO_H264, 320, 240, 30.00f,
MediaEditingUtil.MP4_ASSET_H264_WITH_INCREASING_TIMESTAMPS_320W_240H_5S_URI_STRING,
true},
{MimeTypes.VIDEO_H264, MimeTypes.VIDEO_H265, 320, 240, 30.00f,
MediaEditingUtil.MP4_ASSET_H264_WITH_INCREASING_TIMESTAMPS_320W_240H_5S_URI_STRING,
false},
{MimeTypes.VIDEO_H264, MimeTypes.VIDEO_H265, 642, 642, 30.00f,
MediaEditingUtil.MP4_ASSET_H264_WITH_INCREASING_TIMESTAMPS_642W_642H_3S_URI_STRING,
false},
{MimeTypes.VIDEO_H265, MimeTypes.VIDEO_H265, 1920, 1080, 30.00f,
MediaEditingUtil.MP4_ASSET_HEVC_WITH_INCREASING_TIMESTAMPS_1920_1080_1S_URI_STRING,
false},
{MimeTypes.VIDEO_H265, MimeTypes.VIDEO_H264, 1920, 1080, 30.00f,
MediaEditingUtil.MP4_ASSET_HEVC_WITH_INCREASING_TIMESTAMPS_1920_1080_1S_URI_STRING,
false},
{MimeTypes.VIDEO_H265, MimeTypes.VIDEO_H265, 720, 480, 30.00f,
MediaEditingUtil.MP4_ASSET_HEVC_WITH_INCREASING_TIMESTAMPS_720W_480H_1S_URI_STRING,
false},
{MimeTypes.VIDEO_H265, MimeTypes.VIDEO_H264, 720, 480, 30.00f,
MediaEditingUtil.MP4_ASSET_HEVC_WITH_INCREASING_TIMESTAMPS_720W_480H_1S_URI_STRING,
false},
{MimeTypes.VIDEO_H265, MimeTypes.VIDEO_H264, 642, 642, 30.00f,
MediaEditingUtil.MP4_ASSET_HEVC_WITH_INCREASING_TIMESTAMPS_642W_642H_3S_URI_STRING,
false},
}));
return prepareParamList(exhaustiveArgsList);
}
public static List<Object[]> prepareParamList(List<Object[]> exhaustiveArgsList) {
List<Object[]> argsList = new ArrayList<>();
int argLength = exhaustiveArgsList.get(0).length;
for (Object[] arg : exhaustiveArgsList) {
String from = arg[0].toString();
String to = arg[1].toString();
// Trim the mime baseType with slash.
int lastIndex = from.lastIndexOf('/');
if (lastIndex != -1) {
from = from.substring(lastIndex + 1);
}
lastIndex = to.lastIndexOf('/');
if (lastIndex != -1) {
to = to.substring(lastIndex + 1);
}
String testID = String.format("transcode_%s_To_%s_%dx%d_%dfps_%s_ssim", from, to,
(int) arg[2], (int) arg[3], Math.round((float) arg[4]),
(boolean) arg[6] ? "ForceEncoding" : "");
Object[] argUpdate = new Object[argLength + 1];
System.arraycopy(arg, 0, argUpdate, 0, argLength);
argUpdate[argLength] = testID;
argsList.add(argUpdate);
}
return argsList;
}
public static Transformer createTransformerForForceEncode(Context context, String toMediaType) {
return new Transformer.Builder(context)
.setTransformationRequest(
new TransformationRequest.Builder().setVideoMimeType(toMediaType).build())
.setEncoderFactory(new AndroidTestUtil.ForceEncodeEncoderFactory(context))
.build();
}
public static Transformer createTransformer(Context context, String toMediaType) {
return (new Transformer.Builder(context)
.setTransformationRequest(
new TransformationRequest.Builder().setVideoMimeType(toMediaType).build())
.build());
}
@ApiTest(apis = {"android.media.MediaCodec#configure",
"android.media.MediaCodec#createByCodecName",
"android.media.MediaCodecList#findDecoderForFormat",
"android.media.MediaFormat#createVideoFormat"})
@Test
public void transcodeTest() throws Exception {
Format decFormat = new Format.Builder()
.setSampleMimeType(fromMediaType)
.setWidth(width)
.setHeight(height)
.setFrameRate(frameRate)
.build();
Format encFormat = new Format.Builder()
.setSampleMimeType(toMediaType)
.setWidth(width)
.setHeight(height)
.setFrameRate(frameRate)
.build();
Preconditions.assertTestFileExists(MEDIA_DIR + testFile);
Context context = ApplicationProvider.getApplicationContext();
if (!isWithinCddRequirements) {
Assume.assumeTrue("Skipping transcodeTest for " + testId,
!AndroidTestUtil.skipAndLogIfFormatsUnsupported(
context, testId, decFormat, encFormat));
}
Transformer transformer;
if (isWithinCddRequirements) {
transformer = createTransformerForForceEncode(context, toMediaType);
} else {
transformer = createTransformer(context, toMediaType);
}
MediaItem mediaItem = MediaItem.fromUri(Uri.parse(MEDIA_DIR + testFile));
EditedMediaItem editedMediaItem = new EditedMediaItem.Builder(mediaItem).setRemoveAudio(true)
.build();
ExportTestResult result =
new TransformerAndroidTestRunner.Builder(context, transformer)
.setRequestCalculateSsim(true)
.build()
.run(testId, editedMediaItem);
if (!isWithinCddRequirements) {
Assume.assumeFalse("Skipping transcodeTest for " + testId,
result.fallbackDetails != null
&& result.fallbackDetails.fallbackOutputHeight != height);
}
assertThat(result.ssim).isGreaterThan(EXPECTED_MINIMUM_SSIM);
}
}
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