Merge "Add parameter for exposing a dummy seekmap." into rvc-dev (db853ad3) · Commits · e / os / android_frameworks_base

apex/media/framework/java/android/media/MediaParser.java

+58 −2

Original line number	Diff line number	Diff line
		@@ -203,6 +203,15 @@ public final class MediaParser {
		/** Returned by {@link #getDurationMicros()} when the duration is unknown. */
		public static final int UNKNOWN_DURATION = Integer.MIN_VALUE;

		/**
		* For each {@link #getSeekPoints} call, returns a single {@link SeekPoint} whose {@link
		* SeekPoint#timeMicros} matches the requested timestamp, and whose {@link
		* SeekPoint#position} is 0.
		*
		* @hide
		*/
		public static final SeekMap DUMMY = new SeekMap(new DummyExoPlayerSeekMap());

		private final com.google.android.exoplayer2.extractor.SeekMap mExoPlayerSeekMap;

		private SeekMap(com.google.android.exoplayer2.extractor.SeekMap exoplayerSeekMap) {
		@@ -795,6 +804,18 @@ public final class MediaParser {
		*/
		public static final String PARAMETER_EAGERLY_EXPOSE_TRACKTYPE =
		"android.media.mediaparser.eagerlyExposeTrackType";
		/**
		* Sets whether a dummy {@link SeekMap} should be exposed before starting extraction. {@code
		* boolean} expected. Default value is {@code false}.
		*
		* <p>For each {@link SeekMap#getSeekPoints} call, the dummy {@link SeekMap} returns a single
		* {@link SeekPoint} whose {@link SeekPoint#timeMicros} matches the requested timestamp, and
		* whose {@link SeekPoint#position} is 0.
		*
		* @hide
		*/
		public static final String PARAMETER_EXPOSE_DUMMY_SEEKMAP =
		"android.media.mediaparser.exposeDummySeekMap";

		// Private constants.

		@@ -958,6 +979,7 @@ public final class MediaParser {
		private boolean mIncludeSupplementalData;
		private boolean mIgnoreTimestampOffset;
		private boolean mEagerlyExposeTrackType;
		private boolean mExposeDummySeekMap;
		private String mParserName;
		private Extractor mExtractor;
		private ExtractorInput mExtractorInput;
		@@ -1017,6 +1039,9 @@ public final class MediaParser {
		if (PARAMETER_EAGERLY_EXPOSE_TRACKTYPE.equals(parameterName)) {
		mEagerlyExposeTrackType = (boolean) value;
		}
		if (PARAMETER_EXPOSE_DUMMY_SEEKMAP.equals(parameterName)) {
		mExposeDummySeekMap = (boolean) value;
		}
		mParserParameters.put(parameterName, value);
		return this;
		}
		@@ -1078,11 +1103,10 @@ public final class MediaParser {
		}
		mExoDataReader.mInputReader = seekableInputReader;

		// TODO: Apply parameters when creating extractor instances.
		if (mExtractor == null) {
		mPendingExtractorInit = true;
		if (!mParserName.equals(PARSER_NAME_UNKNOWN)) {
		mExtractor = createExtractor(mParserName);
		mExtractor.init(new ExtractorOutputAdapter());
		} else {
		for (String parserName : mParserNamesPool) {
		Extractor extractor = createExtractor(parserName);
		@@ -1107,9 +1131,18 @@ public final class MediaParser {
		}

		if (mPendingExtractorInit) {
		if (mExposeDummySeekMap) {
		// We propagate the dummy seek map before initializing the extractor, in case the
		// extractor initialization outputs a seek map.
		mOutputConsumer.onSeekMapFound(SeekMap.DUMMY);
		}
		mExtractor.init(new ExtractorOutputAdapter());
		mPendingExtractorInit = false;
		// We return after initialization to allow clients use any output information before
		// starting actual extraction.
		return true;
		}

		if (isPendingSeek()) {
		mExtractor.seek(mPendingSeekPosition, mPendingSeekTimeMicros);
		removePendingSeek();
		@@ -1683,6 +1716,28 @@ public final class MediaParser {
		}
		}

		private static final class DummyExoPlayerSeekMap
		implements com.google.android.exoplayer2.extractor.SeekMap {

		@Override
		public boolean isSeekable() {
		return true;
		}

		@Override
		public long getDurationUs() {
		return C.TIME_UNSET;
		}

		@Override
		public SeekPoints getSeekPoints(long timeUs) {
		com.google.android.exoplayer2.extractor.SeekPoint seekPoint =
		new com.google.android.exoplayer2.extractor.SeekPoint(
		timeUs, /* position= */ 0);
		return new SeekPoints(seekPoint, seekPoint);
		}
		}

		/** Creates extractor instances. */
		private interface ExtractorFactory {

		@@ -1923,6 +1978,7 @@ public final class MediaParser {
		expectedTypeByParameterName.put(PARAMETER_INCLUDE_SUPPLEMENTAL_DATA, Boolean.class);
		expectedTypeByParameterName.put(PARAMETER_IGNORE_TIMESTAMP_OFFSET, Boolean.class);
		expectedTypeByParameterName.put(PARAMETER_EAGERLY_EXPOSE_TRACKTYPE, Boolean.class);
		expectedTypeByParameterName.put(PARAMETER_EXPOSE_DUMMY_SEEKMAP, Boolean.class);
		EXPECTED_TYPE_BY_PARAMETER_NAME = Collections.unmodifiableMap(expectedTypeByParameterName);
		}
		}