Allow apps to construct AudioPresentation object (5272e68c) · Commits · e / os / android_frameworks_base

api/current.txt

+14 −0

Original line number	Diff line number	Diff line
		@@ -22830,6 +22830,8 @@ package android.media {
		method public java.util.Map<java.util.Locale, java.lang.String> getLabels();
		method public java.util.Locale getLocale();
		method public int getMasteringIndication();
		method public int getPresentationId();
		method public int getProgramId();
		method public boolean hasAudioDescription();
		method public boolean hasDialogueEnhancement();
		method public boolean hasSpokenSubtitles();
		@@ -22840,6 +22842,18 @@ package android.media {
		field public static final int MASTERING_NOT_INDICATED = 0; // 0x0
		}

		public static class AudioPresentation.Builder {
		ctor public AudioPresentation.Builder(int);
		method public android.media.AudioPresentation build();
		method public android.media.AudioPresentation.Builder setHasAudioDescription(boolean);
		method public android.media.AudioPresentation.Builder setHasDialogueEnhancement(boolean);
		method public android.media.AudioPresentation.Builder setHasSpokenSubtitles(boolean);
		method public android.media.AudioPresentation.Builder setLabels(java.util.Map<android.icu.util.ULocale, java.lang.String>);
		method public android.media.AudioPresentation.Builder setLocale(android.icu.util.ULocale);
		method public android.media.AudioPresentation.Builder setMasteringIndication(int);
		method public android.media.AudioPresentation.Builder setProgramId(int);
		}

		public class AudioRecord implements android.media.AudioRouting {
		ctor public AudioRecord(int, int, int, int, int) throws java.lang.IllegalArgumentException;
		method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);

api/test-current.txt

+0 −6

Original line number	Diff line number	Diff line
		@@ -578,12 +578,6 @@ package android.media {
		method public static boolean isEncodingLinearPcm(int);
		}

		public final class AudioPresentation {
		ctor public AudioPresentation(int, int, java.util.Map<java.lang.String, java.lang.String>, java.lang.String, int, boolean, boolean, boolean);
		method public int getPresentationId();
		method public int getProgramId();
		}

		public final class BufferingParams implements android.os.Parcelable {
		method public int describeContents();
		method public int getInitialMarkMs();

media/java/android/media/AudioPresentation.java

+215 −39

Original line number	Diff line number	Diff line
		@@ -19,13 +19,14 @@ package android.media;
		import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.annotation.TestApi;
		import android.icu.util.ULocale;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		import java.util.HashMap;
		import java.util.Locale;
		import java.util.Map;
		import java.util.Objects;


		/**
		@@ -34,7 +35,7 @@ import java.util.Map;
		*
		* Used by {@link MediaExtractor} {@link MediaExtractor#getAudioPresentations(int)} and
		* {@link AudioTrack} {@link AudioTrack#setPresentation(AudioPresentation)} to query available
		* presentations and to select one.
		* presentations and to select one, respectively.
		*
		* A list of available audio presentations in a media source can be queried using
		* {@link MediaExtractor#getAudioPresentations(int)}. This list can be presented to a user for
		@@ -49,8 +50,7 @@ import java.util.Map;
		public final class AudioPresentation {
		private final int mPresentationId;
		private final int mProgramId;
		private final Map<String, String> mLabels;
		private final String mLanguage;
		private final ULocale mLanguage;

		/** @hide */
		@IntDef(
		@@ -63,72 +63,98 @@ public final class AudioPresentation {
		})
		@Retention(RetentionPolicy.SOURCE)
		public @interface MasteringIndicationType {}

		private final @MasteringIndicationType int mMasteringIndication;
		private final boolean mAudioDescriptionAvailable;
		private final boolean mSpokenSubtitlesAvailable;
		private final boolean mDialogueEnhancementAvailable;
		private final Map<ULocale, String> mLabels;

		/**
		* No preferred reproduction channel layout.
		*
		* @see Builder#setMasteringIndication(int)
		*/
		public static final int MASTERING_NOT_INDICATED = 0;
		/**
		* Stereo speaker layout.
		*
		* @see Builder#setMasteringIndication(int)
		*/
		public static final int MASTERED_FOR_STEREO = 1;
		/**
		* Two-dimensional (e.g. 5.1) speaker layout.
		*
		* @see Builder#setMasteringIndication(int)
		*/
		public static final int MASTERED_FOR_SURROUND = 2;
		/**
		* Three-dimensional (e.g. 5.1.2) speaker layout.
		*
		* @see Builder#setMasteringIndication(int)
		*/
		public static final int MASTERED_FOR_3D = 3;
		/**
		* Prerendered for headphone playback.
		*
		* @see Builder#setMasteringIndication(int)
		*/
		public static final int MASTERED_FOR_HEADPHONE = 4;

		/**
		* @hide
		* This ID is reserved. No items can be explicitly assigned this ID.
		*/
		@TestApi
		public AudioPresentation(int presentationId,
		private static final int UNKNOWN_ID = -1;

		/**
		* This allows an application developer to construct an AudioPresentation object with all the
		* parameters.
		* The IDs are all that is required for an
		* {@link AudioTrack#setPresentation(AudioPresentation)} to be successful.
		* The rest of the metadata is informative only so as to distinguish features
		* of different presentations.
		* @param presentationId Presentation ID to be decoded by a next generation audio decoder.
		* @param programId Program ID to be decoded by a next generation audio decoder.
		* @param language Locale corresponding to ISO 639-1/639-2 language code.
		* @param masteringIndication One of {@link AudioPresentation#MASTERING_NOT_INDICATED},
		* {@link AudioPresentation#MASTERED_FOR_STEREO},
		* {@link AudioPresentation#MASTERED_FOR_SURROUND},
		* {@link AudioPresentation#MASTERED_FOR_3D},
		* {@link AudioPresentation#MASTERED_FOR_HEADPHONE}.
		* @param audioDescriptionAvailable Audio description for the visually impaired.
		* @param spokenSubtitlesAvailable Spoken subtitles for the visually impaired.
		* @param dialogueEnhancementAvailable Dialogue enhancement.
		* @param labels Text label indexed by its locale corresponding to the language code.
		*/
		private AudioPresentation(int presentationId,
		int programId,
		@NonNull Map<String, String> labels,
		@NonNull String language,
		@NonNull ULocale language,
		@MasteringIndicationType int masteringIndication,
		boolean audioDescriptionAvailable,
		boolean spokenSubtitlesAvailable,
		boolean dialogueEnhancementAvailable) {
		this.mPresentationId = presentationId;
		this.mProgramId = programId;
		this.mLanguage = language;
		this.mMasteringIndication = masteringIndication;
		this.mAudioDescriptionAvailable = audioDescriptionAvailable;
		this.mSpokenSubtitlesAvailable = spokenSubtitlesAvailable;
		this.mDialogueEnhancementAvailable = dialogueEnhancementAvailable;

		this.mLabels = new HashMap<String, String>(labels);
		boolean dialogueEnhancementAvailable,
		@NonNull Map<ULocale, String> labels) {
		mPresentationId = presentationId;
		mProgramId = programId;
		mLanguage = language;
		mMasteringIndication = masteringIndication;
		mAudioDescriptionAvailable = audioDescriptionAvailable;
		mSpokenSubtitlesAvailable = spokenSubtitlesAvailable;
		mDialogueEnhancementAvailable = dialogueEnhancementAvailable;
		mLabels = new HashMap<ULocale, String>(labels);
		}

		/**
		* The framework uses this presentation id to select an audio presentation rendered by a
		* decoder. Presentation id is typically sequential, but does not have to be.
		* @hide
		* Returns presentation ID used by the framework to select an audio presentation rendered by a
		* decoder. Presentation ID is typically sequential, but does not have to be.
		*/
		@TestApi
		public int getPresentationId() {
		return mPresentationId;
		}

		/**
		* The framework uses this program id to select an audio presentation rendered by a decoder.
		* Program id can be used to further uniquely identify the presentation to a decoder.
		* @hide
		* Returns program ID used by the framework to select an audio presentation rendered by a
		* decoder. Program ID can be used to further uniquely identify the presentation to a decoder.
		*/
		@TestApi
		public int getProgramId() {
		return mProgramId;
		}
		@@ -139,9 +165,9 @@ public final class AudioPresentation {
		* or ISO 639-2/T could be used.
		*/
		public Map<Locale, String> getLabels() {
		Map<Locale, String> localeLabels = new HashMap<>();
		for (Map.Entry<String, String> entry : mLabels.entrySet()) {
		localeLabels.put(new Locale(entry.getKey()), entry.getValue());
		Map<Locale, String> localeLabels = new HashMap<Locale, String>();
		for (Map.Entry<ULocale, String> entry : mLabels.entrySet()) {
		localeLabels.put(entry.getKey().toLocale(), entry.getValue());
		}
		return localeLabels;
		}
		@@ -150,13 +176,20 @@ public final class AudioPresentation {
		* @return the locale corresponding to audio presentation's ISO 639-1/639-2 language code.
		*/
		public Locale getLocale() {
		return new Locale(mLanguage);
		return mLanguage.toLocale();
		}

		private ULocale getULocale() {
		return mLanguage;
		}

		/**
		* @return the mastering indication of the audio presentation.
		* See {@link #MASTERING_NOT_INDICATED}, {@link #MASTERED_FOR_STEREO},
		* {@link #MASTERED_FOR_SURROUND}, {@link #MASTERED_FOR_3D}, {@link #MASTERED_FOR_HEADPHONE}
		* See {@link AudioPresentation#MASTERING_NOT_INDICATED},
		* {@link AudioPresentation#MASTERED_FOR_STEREO},
		* {@link AudioPresentation#MASTERED_FOR_SURROUND},
		* {@link AudioPresentation#MASTERED_FOR_3D},
		* {@link AudioPresentation#MASTERED_FOR_HEADPHONE}
		*/
		@MasteringIndicationType
		public int getMasteringIndication() {
		@@ -186,4 +219,147 @@ public final class AudioPresentation {
		public boolean hasDialogueEnhancement() {
		return mDialogueEnhancementAvailable;
		}

		@Override
		public boolean equals(Object o) {
		if (this == o) {
		return true;
		}
		if (!(o instanceof AudioPresentation)) {
		return false;
		}
		AudioPresentation obj = (AudioPresentation) o;
		return mPresentationId == obj.getPresentationId()
		&& mProgramId == obj.getProgramId()
		&& mLanguage == obj.getULocale()
		&& mMasteringIndication == obj.getMasteringIndication()
		&& mAudioDescriptionAvailable == obj.hasAudioDescription()
		&& mSpokenSubtitlesAvailable == obj.hasSpokenSubtitles()
		&& mDialogueEnhancementAvailable == obj.hasDialogueEnhancement()
		&& mLabels.equals(obj.getLabels());
		}

		@Override
		public int hashCode() {
		return Objects.hashCode(mPresentationId);
		}

		/**
		* A builder class for creating {@link AudioPresentation} objects.
		*/
		public static class Builder {
		private final int mPresentationId;
		private int mProgramId = UNKNOWN_ID;
		private ULocale mLanguage = new ULocale("");
		private int mMasteringIndication = MASTERING_NOT_INDICATED;
		private boolean mAudioDescriptionAvailable = false;
		private boolean mSpokenSubtitlesAvailable = false;
		private boolean mDialogueEnhancementAvailable = false;
		private Map<ULocale, String> mLabels = new HashMap<ULocale, String>();

		/**
		* Create a {@link Builder}. Any field that should be included in the
		* {@link AudioPresentation} must be added.
		*
		* @param presentationId the presentation ID of this audio presentation
		*/
		public Builder(int presentationId) {
		mPresentationId = presentationId;
		}
		/**
		* Sets the ProgramId to which this audio presentation refers.
		*
		* @param programId
		*/
		public @NonNull Builder setProgramId(int programId) {
		mProgramId = programId;
		return this;
		}
		/**
		* Sets the language information of the audio presentation.
		*
		* @param language code
		*/
		public @NonNull Builder setLocale(ULocale language) {
		mLanguage = language;
		return this;
		}

		/**
		* Sets the mastering indication.
		*
		* @param masteringIndication Input to set mastering indication.
		* @throws IllegalArgumentException if the mastering indication is not any of
		* {@link AudioPresentation#MASTERING_NOT_INDICATED},
		* {@link AudioPresentation#MASTERED_FOR_STEREO},
		* {@link AudioPresentation#MASTERED_FOR_SURROUND},
		* {@link AudioPresentation#MASTERED_FOR_3D},
		* and {@link AudioPresentation#MASTERED_FOR_HEADPHONE}
		*/
		public @NonNull Builder setMasteringIndication(
		@MasteringIndicationType int masteringIndication) {
		if (masteringIndication != MASTERING_NOT_INDICATED
		&& masteringIndication != MASTERED_FOR_STEREO
		&& masteringIndication != MASTERED_FOR_SURROUND
		&& masteringIndication != MASTERED_FOR_3D
		&& masteringIndication != MASTERED_FOR_HEADPHONE) {
		throw new IllegalArgumentException("Unknown mastering indication: "
		+ masteringIndication);
		}
		mMasteringIndication = masteringIndication;
		return this;
		}

		/**
		* Sets locale / text label pairs describing the presentation.
		*
		* @param labels
		*/
		public @NonNull Builder setLabels(@NonNull Map<ULocale, String> labels) {
		mLabels = new HashMap<ULocale, String>(labels);
		return this;
		}

		/**
		* Indicate whether the presentation contains audio description for the visually impaired.
		*
		* @param audioDescriptionAvailable
		*/
		public @NonNull Builder setHasAudioDescription(boolean audioDescriptionAvailable) {
		mAudioDescriptionAvailable = audioDescriptionAvailable;
		return this;
		}

		/**
		* Indicate whether the presentation contains spoken subtitles for the visually impaired.
		*
		* @param spokenSubtitlesAvailable
		*/
		public @NonNull Builder setHasSpokenSubtitles(boolean spokenSubtitlesAvailable) {
		mSpokenSubtitlesAvailable = spokenSubtitlesAvailable;
		return this;
		}

		/**
		* Indicate whether the presentation supports dialogue enhancement.
		*
		* @param dialogueEnhancementAvailable
		*/
		public @NonNull Builder setHasDialogueEnhancement(boolean dialogueEnhancementAvailable) {
		mDialogueEnhancementAvailable = dialogueEnhancementAvailable;
		return this;
		}

		/**
		* Creates a {@link AudioPresentation} instance with the specified fields.
		*
		* @return The new {@link AudioPresentation} instance
		*/
		public @NonNull AudioPresentation build() {
		return new AudioPresentation(mPresentationId, mProgramId,
		mLanguage, mMasteringIndication,
		mAudioDescriptionAvailable, mSpokenSubtitlesAvailable,
		mDialogueEnhancementAvailable, mLabels);
		}
		}
		}

media/jni/android_media_AudioPresentation.h

+30 −15

Original line number	Diff line number	Diff line
		@@ -49,7 +49,7 @@ struct JAudioPresentationInfo {
		}

		constructID = env->GetMethodID(clazz, "<init>",
		"(IILjava/util/Map;Ljava/lang/String;IZZZ)V");
		"(IILandroid/icu/util/ULocale;IZZZLjava/util/Map;)V");
		env->DeleteLocalRef(lclazz);

		// list objects
		@@ -104,21 +104,26 @@ struct JAudioPresentationInfo {
		// don't expose private keys (starting with android._)
		continue;
		}

		jobject valueObj = NULL;

		AString val;
		CHECK(msg->findString(key, &val));

		valueObj = env->NewStringUTF(val.c_str());

		if (valueObj != NULL) {
		jstring keyObj = env->NewStringUTF(key);

		env->CallObjectMethod(hashMap, hashMapPutID, keyObj, valueObj);

		env->DeleteLocalRef(keyObj); keyObj = NULL;
		ScopedLocalRef<jclass> localeClazz(env, env->FindClass("android/icu/util/ULocale"));
		if (localeClazz.get() == NULL) {
		return -EINVAL;
		}
		jmethodID localeConstructID =
		env->GetMethodID(localeClazz.get(), "<init>", "(Ljava/lang/String;)V");
		if (localeConstructID == NULL) {
		return -EINVAL;
		}
		jstring jLanguage = env->NewStringUTF(key);
		jobject jLocale = env->NewObject(localeClazz.get(), localeConstructID, jLanguage);
		env->CallObjectMethod(hashMap, hashMapPutID, jLocale, valueObj);
		env->DeleteLocalRef(jLocale); jLocale = NULL;
		env->DeleteLocalRef(valueObj); valueObj = NULL;
		env->DeleteLocalRef(jLanguage); jLanguage = NULL;
		}
		}

		@@ -142,26 +147,36 @@ struct JAudioPresentationInfo {
		if (ConvertMessageToMap(env, labelMessage, &jLabelObject) != OK) {
		return NULL;
		}
		jstring jLanguage = env->NewStringUTF(ap->mLanguage.string());

		ScopedLocalRef<jclass> localeClazz(env, env->FindClass("android/icu/util/ULocale"));
		if (localeClazz.get() == NULL) {
		return NULL;
		}
		jmethodID localeConstructID =
		env->GetMethodID(localeClazz.get(), "<init>", "(Ljava/lang/String;)V");
		if (localeConstructID == NULL) {
		return NULL;
		}
		jstring jLanguage = env->NewStringUTF(ap->mLanguage.c_str());
		jobject jLocale = env->NewObject(localeClazz.get(), localeConstructID, jLanguage);
		jobject jValueObj = env->NewObject(fields.clazz, fields.constructID,
		static_cast<jint>(ap->mPresentationId),
		static_cast<jint>(ap->mProgramId),
		jLabelObject,
		jLanguage,
		jLocale,
		static_cast<jint>(ap->mMasteringIndication),
		static_cast<jboolean>((ap->mAudioDescriptionAvailable == 1) ?
		1 : 0),
		static_cast<jboolean>((ap->mSpokenSubtitlesAvailable == 1) ?
		1 : 0),
		static_cast<jboolean>((ap->mDialogueEnhancementAvailable == 1) ?
		1 : 0));
		1 : 0),
		jLabelObject);
		if (jValueObj == NULL) {
		env->DeleteLocalRef(jLanguage); jLanguage = NULL;
		return NULL;
		}

		env->CallBooleanMethod(list, fields.listAddId, jValueObj);
		env->DeleteLocalRef(jLocale); jLocale = NULL;
		env->DeleteLocalRef(jValueObj); jValueObj = NULL;
		env->DeleteLocalRef(jLanguage); jLanguage = NULL;
		}