Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/ts/SeiReader.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/ts/SeiReader.java
new file mode 100644
index 0000000000..88ea482be4
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/ts/SeiReader.java
@@ -0,0 +1,73 @@
+/*
+ * 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.extractor.ts.TsPayloadReader.TrackIdGenerator;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.text.cea.CeaUtil;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.Assertions;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.MimeTypes;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.ParsableByteArray;
+import java.util.List;
+
+/** Consumes SEI buffers, outputting contained CEA-608 messages to a {@link TrackOutput}. */
+public final class SeiReader {
+
+  private final List<Format> closedCaptionFormats;
+  private final TrackOutput[] outputs;
+
+  /**
+   * @param closedCaptionFormats A list of formats for the closed caption channels to expose.
+   */
+  public SeiReader(List<Format> closedCaptionFormats) {
+    this.closedCaptionFormats = closedCaptionFormats;
+    outputs = new TrackOutput[closedCaptionFormats.size()];
+  }
+
+  public void createTracks(ExtractorOutput extractorOutput, TrackIdGenerator idGenerator) {
+    for (int i = 0; i < outputs.length; i++) {
+      idGenerator.generateNewId();
+      TrackOutput output = extractorOutput.track(idGenerator.getTrackId(), C.TRACK_TYPE_TEXT);
+      Format channelFormat = closedCaptionFormats.get(i);
+      String channelMimeType = channelFormat.sampleMimeType;
+      Assertions.checkArgument(MimeTypes.APPLICATION_CEA608.equals(channelMimeType)
+          || MimeTypes.APPLICATION_CEA708.equals(channelMimeType),
+          "Invalid closed caption mime type provided: " + channelMimeType);
+      String formatId = channelFormat.id != null ? channelFormat.id : idGenerator.getFormatId();
+      output.format(
+          Format.createTextSampleFormat(
+              formatId,
+              channelMimeType,
+              /* codecs= */ null,
+              /* bitrate= */ Format.NO_VALUE,
+              channelFormat.selectionFlags,
+              channelFormat.language,
+              channelFormat.accessibilityChannel,
+              /* drmInitData= */ null,
+              Format.OFFSET_SAMPLE_RELATIVE,
+              channelFormat.initializationData));
+      outputs[i] = output;
+    }
+  }
+
+  public void consume(long pesTimeUs, ParsableByteArray seiBuffer) {
+    CeaUtil.consume(pesTimeUs, seiBuffer, outputs);
+  }
+
+}