diff options
Diffstat (limited to 'mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/ts/SpliceInfoSectionReader.java')
-rw-r--r-- | mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/ts/SpliceInfoSectionReader.java | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/ts/SpliceInfoSectionReader.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/ts/SpliceInfoSectionReader.java new file mode 100644 index 0000000000..17223bad7c --- /dev/null +++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/ts/SpliceInfoSectionReader.java @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2016 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 org.mozilla.thirdparty.com.google.android.exoplayer2.extractor.ts; + +import org.mozilla.thirdparty.com.google.android.exoplayer2.C; +import org.mozilla.thirdparty.com.google.android.exoplayer2.Format; +import org.mozilla.thirdparty.com.google.android.exoplayer2.extractor.ExtractorOutput; +import org.mozilla.thirdparty.com.google.android.exoplayer2.extractor.TrackOutput; +import org.mozilla.thirdparty.com.google.android.exoplayer2.util.MimeTypes; +import org.mozilla.thirdparty.com.google.android.exoplayer2.util.ParsableByteArray; +import org.mozilla.thirdparty.com.google.android.exoplayer2.util.TimestampAdjuster; + +/** + * Parses splice info sections as defined by SCTE35. + */ +public final class SpliceInfoSectionReader implements SectionPayloadReader { + + private TimestampAdjuster timestampAdjuster; + private TrackOutput output; + private boolean formatDeclared; + + @Override + public void init(TimestampAdjuster timestampAdjuster, ExtractorOutput extractorOutput, + TsPayloadReader.TrackIdGenerator idGenerator) { + this.timestampAdjuster = timestampAdjuster; + idGenerator.generateNewId(); + output = extractorOutput.track(idGenerator.getTrackId(), C.TRACK_TYPE_METADATA); + output.format(Format.createSampleFormat(idGenerator.getFormatId(), MimeTypes.APPLICATION_SCTE35, + null, Format.NO_VALUE, null)); + } + + @Override + public void consume(ParsableByteArray sectionData) { + if (!formatDeclared) { + if (timestampAdjuster.getTimestampOffsetUs() == C.TIME_UNSET) { + // There is not enough information to initialize the timestamp adjuster. + return; + } + output.format(Format.createSampleFormat(null, MimeTypes.APPLICATION_SCTE35, + timestampAdjuster.getTimestampOffsetUs())); + formatDeclared = true; + } + int sampleSize = sectionData.bytesLeft(); + output.sampleData(sectionData, sampleSize); + output.sampleMetadata(timestampAdjuster.getLastAdjustedTimestampUs(), C.BUFFER_FLAG_KEY_FRAME, + sampleSize, 0, null); + } + +} |