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Add a unit test to check 2/3 resolution supported.

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PiperOrigin-RevId: 502573469
This commit is contained in:
samrobinson 2023-01-17 14:53:46 +00:00 committed by christosts
parent d49a16e094
commit d092b5261e
1 changed files with 24 additions and 4 deletions
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28
libraries/transformer/src/test/java/androidx/media3/transformer/EncoderUtilTest.java
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@ -36,7 +36,12 @@ import org.robolectric.shadows.MediaCodecInfoBuilder;
import org.robolectric.shadows.ShadowMediaCodec;
import org.robolectric.shadows.ShadowMediaCodecList;
/** Unit test for {@link EncoderUtil}. */
/**
* Unit test for {@link EncoderUtil}.
*
* <p>See {@link androidx.media3.exoplayer.mediacodec.MediaCodecUtil#maxH264DecodableFrameSize()}
* for information on how MediaCodec determines frame sizes.
*/
@RunWith(AndroidJUnit4.class)
public class EncoderUtilTest {
private static final String MIME_TYPE = MimeTypes.VIDEO_H264;
@ -102,7 +107,8 @@ public class EncoderUtilTest {
}
@Test
public void getSupportedResolution_withWidthTooBig_findsTwoThirdsOfTheOriginalSize() {
public void getSupportedResolution_findsThreeQuartersOfTheOriginalSize() {
// The supported resolution will try to match the aspect ratio where possible.
ImmutableList<MediaCodecInfo> supportedEncoders = EncoderUtil.getSupportedEncoders(MIME_TYPE);
MediaCodecInfo encoderInfo = supportedEncoders.get(0);
@ -116,19 +122,33 @@ public class EncoderUtilTest {
}
@Test
public void getSupportedResolution_withWidthTooBig2_findsHalfOfTheOriginalSize() {
public void getSupportedResolution_findsTwoThirdsOfTheOriginalSize() {
ImmutableList<MediaCodecInfo> supportedEncoders = EncoderUtil.getSupportedEncoders(MIME_TYPE);
MediaCodecInfo encoderInfo = supportedEncoders.get(0);
@Nullable
Size closestSupportedResolution =
EncoderUtil.getSupportedResolution(encoderInfo, MIME_TYPE, 3840, 2160);
EncoderUtil.getSupportedResolution(encoderInfo, MIME_TYPE, 2880, 1620);
assertThat(closestSupportedResolution).isNotNull();
assertThat(closestSupportedResolution.getWidth()).isEqualTo(1920);
assertThat(closestSupportedResolution.getHeight()).isEqualTo(1080);
}
@Test
public void getSupportedResolution_findsHalfOfTheOriginalSize() {
ImmutableList<MediaCodecInfo> supportedEncoders = EncoderUtil.getSupportedEncoders(MIME_TYPE);
MediaCodecInfo encoderInfo = supportedEncoders.get(0);
@Nullable
Size closestSupportedResolution =
EncoderUtil.getSupportedResolution(encoderInfo, MIME_TYPE, 2160, 3840);
assertThat(closestSupportedResolution).isNotNull();
assertThat(closestSupportedResolution.getWidth()).isEqualTo(1080);
assertThat(closestSupportedResolution.getHeight()).isEqualTo(1920);
}
/**
* @see EncoderUtil#getSupportedEncoderNamesForHdrEditing(String, ColorInfo)
*/