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Merge pull request #10793 from fraunhoferfokus:dash-thumbnail-support

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PiperOrigin-RevId: 506261584
This commit is contained in:
christosts 2023-02-02 15:30:08 +00:00
commit c6569a36fb
7 changed files with 143 additions and 13 deletions
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3
RELEASENOTES.md
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@ -37,6 +37,9 @@
`Subtitle.getEventTime` if a subtitle file contains no cues.
* SubRip: Add support for UTF-16 files if they start with a byte order
mark.
* DASH:
* Add full parsing for image adaptation sets, including tile counts
([#3752](https://github.com/google/ExoPlayer/issues/3752)).
* UI:
* Fix the deprecated
`PlayerView.setControllerVisibilityListener(PlayerControlView.VisibilityListener)`

70
libraries/common/src/main/java/androidx/media3/common/Format.java
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@ -105,6 +105,13 @@ import java.util.UUID;
* <ul>
* <li>{@link #accessibilityChannel}
* </ul>
*
* <h2 id="image-formats">Fields relevant to image formats</h2>
*
* <ul>
* <li>{@link #tileCountHorizontal}
* <li>{@link #tileCountVertical}
* </ul>
*/
public final class Format implements Bundleable {
@ -165,6 +172,11 @@ public final class Format implements Bundleable {
private int accessibilityChannel;
// Image specific
private int tileCountHorizontal;
private int tileCountVertical;
// Provided by the source.
private @C.CryptoType int cryptoType;
@ -188,6 +200,9 @@ public final class Format implements Bundleable {
pcmEncoding = NO_VALUE;
// Text specific.
accessibilityChannel = NO_VALUE;
// Image specific.
tileCountHorizontal = NO_VALUE;
tileCountVertical = NO_VALUE;
// Provided by the source.
cryptoType = C.CRYPTO_TYPE_NONE;
}
@ -232,6 +247,9 @@ public final class Format implements Bundleable {
this.encoderPadding = format.encoderPadding;
// Text specific.
this.accessibilityChannel = format.accessibilityChannel;
// Image specific.
this.tileCountHorizontal = format.tileCountHorizontal;
this.tileCountVertical = format.tileCountVertical;
// Provided by the source.
this.cryptoType = format.cryptoType;
}
@ -607,6 +625,32 @@ public final class Format implements Bundleable {
return this;
}
// Image specific.
/**
* Sets {@link Format#tileCountHorizontal}. The default value is {@link #NO_VALUE}.
*
* @param tileCountHorizontal The {@link Format#accessibilityChannel}.
* @return The builder.
*/
@CanIgnoreReturnValue
public Builder setTileCountHorizontal(int tileCountHorizontal) {
this.tileCountHorizontal = tileCountHorizontal;
return this;
}
/**
* Sets {@link Format#tileCountVertical}. The default value is {@link #NO_VALUE}.
*
* @param tileCountVertical The {@link Format#accessibilityChannel}.
* @return The builder.
*/
@CanIgnoreReturnValue
public Builder setTileCountVertical(int tileCountVertical) {
this.tileCountVertical = tileCountVertical;
return this;
}
// Provided by source.
/**
@ -779,6 +823,15 @@ public final class Format implements Bundleable {
/** The Accessibility channel, or {@link #NO_VALUE} if not known or applicable. */
@UnstableApi public final int accessibilityChannel;
// Image specific.
/**
* The number of horizontal tiles in an image, or {@link #NO_VALUE} if not known or applicable.
*/
@UnstableApi public final int tileCountHorizontal;
/** The number of vertical tiles in an image, or {@link #NO_VALUE} if not known or applicable. */
@UnstableApi public final int tileCountVertical;
// Provided by source.
/**
@ -1008,6 +1061,9 @@ public final class Format implements Bundleable {
encoderPadding = builder.encoderPadding == NO_VALUE ? 0 : builder.encoderPadding;
// Text specific.
accessibilityChannel = builder.accessibilityChannel;
// Image specific.
tileCountHorizontal = builder.tileCountHorizontal;
tileCountVertical = builder.tileCountVertical;
// Provided by source.
if (builder.cryptoType == C.CRYPTO_TYPE_NONE && drmInitData != null) {
// Encrypted content cannot use CRYPTO_TYPE_NONE.
@ -1268,6 +1324,9 @@ public final class Format implements Bundleable {
result = 31 * result + encoderPadding;
// Text specific.
result = 31 * result + accessibilityChannel;
// Image specific.
result = 31 * result + tileCountHorizontal;
result = 31 * result + tileCountVertical;
// Provided by the source.
result = 31 * result + cryptoType;
hashCode = result;
@ -1304,6 +1363,8 @@ public final class Format implements Bundleable {
&& encoderDelay == other.encoderDelay
&& encoderPadding == other.encoderPadding
&& accessibilityChannel == other.accessibilityChannel
&& tileCountHorizontal == other.tileCountHorizontal
&& tileCountVertical == other.tileCountVertical
&& cryptoType == other.cryptoType
&& Float.compare(frameRate, other.frameRate) == 0
&& Float.compare(pixelWidthHeightRatio, other.pixelWidthHeightRatio) == 0
@ -1500,6 +1561,8 @@ public final class Format implements Bundleable {
private static final String FIELD_ENCODER_PADDING = Util.intToStringMaxRadix(27);
private static final String FIELD_ACCESSIBILITY_CHANNEL = Util.intToStringMaxRadix(28);
private static final String FIELD_CRYPTO_TYPE = Util.intToStringMaxRadix(29);
private static final String FIELD_TILE_COUNT_HORIZONTAL = Util.intToStringMaxRadix(30);
private static final String FIELD_TILE_COUNT_VERTICAL = Util.intToStringMaxRadix(31);
@UnstableApi
@Override
@ -1557,6 +1620,9 @@ public final class Format implements Bundleable {
bundle.putInt(FIELD_ENCODER_PADDING, encoderPadding);
// Text specific.
bundle.putInt(FIELD_ACCESSIBILITY_CHANNEL, accessibilityChannel);
// Image specific.
bundle.putInt(FIELD_TILE_COUNT_HORIZONTAL, tileCountHorizontal);
bundle.putInt(FIELD_TILE_COUNT_VERTICAL, tileCountVertical);
// Source specific.
bundle.putInt(FIELD_CRYPTO_TYPE, cryptoType);
return bundle;
@ -1621,6 +1687,10 @@ public final class Format implements Bundleable {
// Text specific.
.setAccessibilityChannel(
bundle.getInt(FIELD_ACCESSIBILITY_CHANNEL, DEFAULT.accessibilityChannel))
// Image specific.
.setTileCountHorizontal(
bundle.getInt(FIELD_TILE_COUNT_HORIZONTAL, DEFAULT.tileCountHorizontal))
.setTileCountVertical(bundle.getInt(FIELD_TILE_COUNT_VERTICAL, DEFAULT.tileCountVertical))
// Source specific.
.setCryptoType(bundle.getInt(FIELD_CRYPTO_TYPE, DEFAULT.cryptoType));

2
libraries/common/src/test/java/androidx/media3/common/FormatTest.java
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@ -111,6 +111,8 @@ public final class FormatTest {
.setEncoderPadding(1002)
.setAccessibilityChannel(2)
.setCryptoType(C.CRYPTO_TYPE_CUSTOM_BASE)
.setTileCountHorizontal(20)
.setTileCountVertical(40)
.build();
}

16
libraries/exoplayer_dash/src/main/java/androidx/media3/exoplayer/dash/DashMediaSource.java
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@ -1058,9 +1058,11 @@ public final class DashMediaSource extends BaseMediaSource {
for (int i = 0; i < period.adaptationSets.size(); i++) {
AdaptationSet adaptationSet = period.adaptationSets.get(i);
List<Representation> representations = adaptationSet.representations;
// Exclude text adaptation sets from duration calculations, if we have at least one audio
// or video adaptation set. See: https://github.com/google/ExoPlayer/issues/4029
if ((haveAudioVideoAdaptationSets && adaptationSet.type == C.TRACK_TYPE_TEXT)
// Exclude other adaptation sets from duration calculations, if we have at least one audio or
// video adaptation set. See: https://github.com/google/ExoPlayer/issues/4029.
boolean adaptationSetIsNotAudioVideo =
adaptationSet.type != C.TRACK_TYPE_AUDIO && adaptationSet.type != C.TRACK_TYPE_VIDEO;
if ((haveAudioVideoAdaptationSets && adaptationSetIsNotAudioVideo)
|| representations.isEmpty()) {
continue;
}
@ -1090,9 +1092,11 @@ public final class DashMediaSource extends BaseMediaSource {
for (int i = 0; i < period.adaptationSets.size(); i++) {
AdaptationSet adaptationSet = period.adaptationSets.get(i);
List<Representation> representations = adaptationSet.representations;
// Exclude text adaptation sets from duration calculations, if we have at least one audio
// or video adaptation set. See: https://github.com/google/ExoPlayer/issues/4029
if ((haveAudioVideoAdaptationSets && adaptationSet.type == C.TRACK_TYPE_TEXT)
// Exclude other adaptation sets from duration calculations, if we have at least one audio or
// video adaptation set. See: https://github.com/google/ExoPlayer/issues/4029
boolean adaptationSetIsNotAudioVideo =
adaptationSet.type != C.TRACK_TYPE_AUDIO && adaptationSet.type != C.TRACK_TYPE_VIDEO;
if ((haveAudioVideoAdaptationSets && adaptationSetIsNotAudioVideo)
|| representations.isEmpty()) {
continue;
}

44
libraries/exoplayer_dash/src/main/java/androidx/media3/exoplayer/dash/manifest/DashManifestParser.java
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@ -557,7 +557,9 @@ public class DashManifestParser extends DefaultHandler
? C.TRACK_TYPE_VIDEO
: MimeTypes.BASE_TYPE_TEXT.equals(contentType)
? C.TRACK_TYPE_TEXT
: C.TRACK_TYPE_UNKNOWN;
: MimeTypes.BASE_TYPE_IMAGE.equals(contentType)
? C.TRACK_TYPE_IMAGE
: C.TRACK_TYPE_UNKNOWN;
}
/**
@ -810,6 +812,7 @@ public class DashManifestParser extends DefaultHandler
roleFlags |= parseRoleFlagsFromAccessibilityDescriptors(accessibilityDescriptors);
roleFlags |= parseRoleFlagsFromProperties(essentialProperties);
roleFlags |= parseRoleFlagsFromProperties(supplementalProperties);
@Nullable Pair<Integer, Integer> tileCounts = parseTileCountFromProperties(essentialProperties);
Format.Builder formatBuilder =
new Format.Builder()
@ -820,7 +823,9 @@ public class DashManifestParser extends DefaultHandler
.setPeakBitrate(bitrate)
.setSelectionFlags(selectionFlags)
.setRoleFlags(roleFlags)
.setLanguage(language);
.setLanguage(language)
.setTileCountHorizontal(tileCounts != null ? tileCounts.first : Format.NO_VALUE)
.setTileCountVertical(tileCounts != null ? tileCounts.second : Format.NO_VALUE);
if (MimeTypes.isVideo(sampleMimeType)) {
formatBuilder.setWidth(width).setHeight(height).setFrameRate(frameRate);
@ -1629,6 +1634,41 @@ public class DashManifestParser extends DefaultHandler
return attributeValue.split(",");
}
// Thumbnail tile information parsing
/**
* Parses given descriptors for thumbnail tile information.
*
* @param essentialProperties List of descriptors that contain thumbnail tile information.
* @return A pair of Integer values, where the first is the count of horizontal tiles and the
* second is the count of vertical tiles, or null if no thumbnail tile information is found.
*/
@Nullable
protected Pair<Integer, Integer> parseTileCountFromProperties(
List<Descriptor> essentialProperties) {
for (int i = 0; i < essentialProperties.size(); i++) {
Descriptor descriptor = essentialProperties.get(i);
if ((Ascii.equalsIgnoreCase("http://dashif.org/thumbnail_tile", descriptor.schemeIdUri)
|| Ascii.equalsIgnoreCase(
"http://dashif.org/guidelines/thumbnail_tile", descriptor.schemeIdUri))
&& descriptor.value != null) {
String size = descriptor.value;
String[] sizeSplit = Util.split(size, "x");
if (sizeSplit.length != 2) {
continue;
}
try {
int tileCountHorizontal = Integer.parseInt(sizeSplit[0]);
int tileCountVertical = Integer.parseInt(sizeSplit[1]);
return Pair.create(tileCountHorizontal, tileCountVertical);
} catch (NumberFormatException e) {
// Ignore property if it's malformed.
}
}
}
return null;
}
// Utility methods.
/**

16
libraries/exoplayer_dash/src/test/java/androidx/media3/exoplayer/dash/manifest/DashManifestParserTest.java
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@ -252,11 +252,19 @@ public class DashManifestParserTest {
ApplicationProvider.getApplicationContext(), SAMPLE_MPD_IMAGES));
AdaptationSet adaptationSet = manifest.getPeriod(0).adaptationSets.get(0);
Format format = adaptationSet.representations.get(0).format;
Format format0 = adaptationSet.representations.get(0).format;
Format format1 = adaptationSet.representations.get(1).format;
assertThat(format.sampleMimeType).isEqualTo("image/jpeg");
assertThat(format.width).isEqualTo(320);
assertThat(format.height).isEqualTo(180);
assertThat(format0.sampleMimeType).isEqualTo("image/jpeg");
assertThat(format0.width).isEqualTo(320);
assertThat(format0.height).isEqualTo(180);
assertThat(format0.tileCountHorizontal).isEqualTo(12);
assertThat(format0.tileCountVertical).isEqualTo(16);
assertThat(format1.sampleMimeType).isEqualTo("image/jpeg");
assertThat(format1.width).isEqualTo(640);
assertThat(format1.height).isEqualTo(360);
assertThat(format1.tileCountHorizontal).isEqualTo(2);
assertThat(format1.tileCountVertical).isEqualTo(4);
}
@Test

5
libraries/test_data/src/test/assets/media/mpd/sample_mpd_images
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@ -4,7 +4,10 @@
<AdaptationSet id="3" mimeType="image/jpeg" contentType="image">
<SegmentTemplate media="$RepresentationID$/tile_$Number$.jpg" duration="100" startNumber="1"/>
<Representation bandwidth="1234" id="images_320x180" width="320" height="180">
<EssentialProperty schemeIdUri="http://dashif.org/thumbnail_tile" value="title"/>
<EssentialProperty schemeIdUri="http://dashif.org/thumbnail_tile" value="12x16"/>
</Representation>
<Representation bandwidth="2345" id="images_640x360" width="640" height="360">
<EssentialProperty schemeIdUri="http://dashif.org/guidelines/thumbnail_tile" value="2x4"/>
</Representation>
</AdaptationSet>
</Period>