Added a trackSelectionFlags field to format.

This field will allow us to flexibly add information provided by the container
or streaming manifests related to the tracks that must be selected.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=122559858

extensions/flac/src/main/java/com/google/android/exoplayer/ext/flac/FlacExtractor.java

@@ -106,7 +106,7 @@ public final class FlacExtractor implements Extractor {
 
       Format mediaFormat = Format.createAudioSampleFormat(null, MimeTypes.AUDIO_RAW,
           streamInfo.bitRate(), Format.NO_VALUE, streamInfo.channels, streamInfo.sampleRate,
-          C.ENCODING_PCM_16BIT, null, null, null);
+          C.ENCODING_PCM_16BIT, null, null, 0, null);
       trackOutput.format(mediaFormat);
 
       outputBuffer = new ParsableByteArray(streamInfo.maxDecodedFrameSize());
@@ -120,8 +120,8 @@ public final class FlacExtractor implements Extractor {
     }
     trackOutput.sampleData(outputBuffer, size);
 
-    trackOutput
-        .sampleMetadata(decoder.getLastSampleTimestamp(), C.BUFFER_FLAG_KEY_FRAME, size, 0, null);
+    trackOutput.sampleMetadata(decoder.getLastSampleTimestamp(), C.BUFFER_FLAG_KEY_FRAME, size, 0,
+        null);
 
     return decoder.isEndOfData() ? RESULT_END_OF_INPUT : RESULT_CONTINUE;
   }

library/src/androidTest/java/com/google/android/exoplayer/FormatTest.java

@@ -60,7 +60,7 @@ public final class FormatTest extends TestCase {
     DrmInitData drmInitData = new DrmInitData(DRM_DATA_1, DRM_DATA_2);
 
     Format formatToParcel = new Format("id", MimeTypes.VIDEO_MP4, MimeTypes.VIDEO_H264, 1024, 2048,
-        1920, 1080, 24, 90, 2, 6, 44100, C.ENCODING_PCM_24BIT, 1001, 1002, "und",
+        1920, 1080, 24, 90, 2, 6, 44100, C.ENCODING_PCM_24BIT, 1001, 1002, 0, "und",
         Format.OFFSET_SAMPLE_RELATIVE, INIT_DATA, drmInitData, false);
 
     Parcel parcel = Parcel.obtain();
@@ -84,13 +84,13 @@ public final class FormatTest extends TestCase {
     testConversionToFrameworkMediaFormatV16(Format.createVideoSampleFormat(null, "video/xyz", 5000,
         Format.NO_VALUE, 1280, 720, 30, null, null));
     testConversionToFrameworkMediaFormatV16(Format.createAudioSampleFormat(null, "audio/xyz", 500,
-        128, 5, 44100, INIT_DATA, null, null));
+        128, 5, 44100, INIT_DATA, null, 0, null));
     testConversionToFrameworkMediaFormatV16(Format.createAudioSampleFormat(null, "audio/xyz", 500,
-        Format.NO_VALUE, 5, 44100, null, null, null));
+        Format.NO_VALUE, 5, 44100, null, null, 0, null));
     testConversionToFrameworkMediaFormatV16(Format.createTextSampleFormat(null, "text/xyz",
-        Format.NO_VALUE, "eng", null));
+        Format.NO_VALUE, 0, "eng", null));
     testConversionToFrameworkMediaFormatV16(Format.createTextSampleFormat(null, "text/xyz",
-        Format.NO_VALUE, null, null));
+        Format.NO_VALUE, 0, null, null));
   }
 
   @SuppressLint("InlinedApi")

library/src/main/java/com/google/android/exoplayer/FrameworkSampleSource.java

@@ -333,7 +333,7 @@ public final class FrameworkSampleSource implements SampleSource {
     int pcmEncoding = MimeTypes.AUDIO_RAW.equals(mimeType) ? C.ENCODING_PCM_16BIT : Format.NO_VALUE;
     Format format = new Format(Integer.toString(index), null, mimeType, Format.NO_VALUE,
         maxInputSize, width, height, frameRate, rotationDegrees, Format.NO_VALUE, channelCount,
-        sampleRate, pcmEncoding, encoderDelay, encoderPadding, language,
+        sampleRate, pcmEncoding, encoderDelay, encoderPadding, 0, language,
         Format.OFFSET_SAMPLE_RELATIVE, initializationData, drmInitData, false);
     format.setFrameworkMediaFormatV16(mediaFormat);
     return format;

library/src/main/java/com/google/android/exoplayer/dash/mpd/MediaPresentationDescriptionParser.java

@@ -411,9 +411,9 @@ public class MediaPresentationDescriptionParser extends DefaultHandler
             width, height, frameRate, null);
       } else if (MimeTypes.isAudio(sampleMimeType)) {
         return Format.createAudioContainerFormat(id, containerMimeType, sampleMimeType, bitrate,
-            audioChannels, audioSamplingRate, null, language);
+            audioChannels, audioSamplingRate, null, 0, language);
       } else if (mimeTypeIsRawText(sampleMimeType)) {
-        return Format.createTextContainerFormat(id, containerMimeType, sampleMimeType, bitrate,
+        return Format.createTextContainerFormat(id, containerMimeType, sampleMimeType, bitrate, 0,
             language);
       } else {
         return Format.createContainerFormat(id, containerMimeType, sampleMimeType, bitrate);

library/src/main/java/com/google/android/exoplayer/extensions/AudioDecoderTrackRenderer.java

@@ -144,7 +144,7 @@ public abstract class AudioDecoderTrackRenderer extends TrackRenderer implements
   protected Format getOutputFormat() {
     return Format.createAudioSampleFormat(null, MimeTypes.AUDIO_RAW, Format.NO_VALUE,
         Format.NO_VALUE, inputFormat.channelCount, inputFormat.sampleRate, C.ENCODING_PCM_16BIT,
-        null, null, null);
+        null, null, 0, null);
   }
 
   private boolean drainOutputBuffer() throws AudioDecoderException,

library/src/main/java/com/google/android/exoplayer/extractor/flv/AudioTagPayloadReader.java

@@ -88,7 +88,7 @@ import java.util.Collections;
           audioSpecifiConfig);
       Format format = Format.createAudioSampleFormat(null, MimeTypes.AUDIO_AAC,
           Format.NO_VALUE, Format.NO_VALUE, audioParams.second, audioParams.first,
-          Collections.singletonList(audioSpecifiConfig), null, null);
+          Collections.singletonList(audioSpecifiConfig), null, 0, null);
       output.format(format);
       hasOutputFormat = true;
     } else if (packetType == AAC_PACKET_TYPE_AAC_RAW) {

library/src/main/java/com/google/android/exoplayer/extractor/mkv/MatroskaExtractor.java

@@ -1324,7 +1324,7 @@ public final class MatroskaExtractor implements Extractor {
       if (MimeTypes.isAudio(mimeType)) {
         format = Format.createAudioSampleFormat(Integer.toString(trackId), mimeType,
             Format.NO_VALUE, maxInputSize, channelCount, sampleRate, pcmEncoding,
-            initializationData, drmInitData, language);
+            initializationData, drmInitData, 0, language);
       } else if (MimeTypes.isVideo(mimeType)) {
         if (displayUnit == Track.DISPLAY_UNIT_PIXELS) {
           displayWidth = displayWidth == Format.NO_VALUE ? width : displayWidth;
@@ -1339,7 +1339,7 @@ public final class MatroskaExtractor implements Extractor {
             Format.NO_VALUE, pixelWidthHeightRatio, drmInitData);
       } else if (MimeTypes.APPLICATION_SUBRIP.equals(mimeType)) {
         format = Format.createTextSampleFormat(Integer.toString(trackId), mimeType, Format.NO_VALUE,
-            language, drmInitData);
+            0, language, drmInitData);
       } else if (MimeTypes.APPLICATION_VOBSUB.equals(mimeType)
           || MimeTypes.APPLICATION_PGS.equals(mimeType)) {
         format = Format.createImageSampleFormat(Integer.toString(trackId), mimeType,

library/src/main/java/com/google/android/exoplayer/extractor/mp3/Mp3Extractor.java

@@ -128,7 +128,7 @@ public final class Mp3Extractor implements Extractor {
       trackOutput.format(Format.createAudioSampleFormat(null, synchronizedHeader.mimeType,
           Format.NO_VALUE, MpegAudioHeader.MAX_FRAME_SIZE_BYTES, synchronizedHeader.channels,
           synchronizedHeader.sampleRate, Format.NO_VALUE, gaplessInfoHolder.encoderDelay,
-          gaplessInfoHolder.encoderPadding, null, null, null));
+          gaplessInfoHolder.encoderPadding, null, null, 0, null));
     }
     return readSample(input);
   }

library/src/main/java/com/google/android/exoplayer/extractor/mp4/AtomParsers.java

@@ -602,16 +602,16 @@ import java.util.List;
             language, isQuickTime, drmInitData, out, i);
       } else if (childAtomType == Atom.TYPE_TTML) {
         out.format = Format.createTextSampleFormat(Integer.toString(trackId),
-            MimeTypes.APPLICATION_TTML, Format.NO_VALUE, language, drmInitData);
+            MimeTypes.APPLICATION_TTML, Format.NO_VALUE, 0, language, drmInitData);
       } else if (childAtomType == Atom.TYPE_tx3g) {
         out.format = Format.createTextSampleFormat(Integer.toString(trackId),
-            MimeTypes.APPLICATION_TX3G, Format.NO_VALUE, language, drmInitData);
+            MimeTypes.APPLICATION_TX3G, Format.NO_VALUE, 0, language, drmInitData);
       } else if (childAtomType == Atom.TYPE_wvtt) {
         out.format = Format.createTextSampleFormat(Integer.toString(trackId),
-            MimeTypes.APPLICATION_MP4VTT, Format.NO_VALUE, language, drmInitData);
+            MimeTypes.APPLICATION_MP4VTT, Format.NO_VALUE, 0, language, drmInitData);
       } else if (childAtomType == Atom.TYPE_stpp) {
         out.format = Format.createTextSampleFormat(Integer.toString(trackId),
-            MimeTypes.APPLICATION_TTML, Format.NO_VALUE, language, drmInitData,
+            MimeTypes.APPLICATION_TTML, Format.NO_VALUE, 0, language, drmInitData,
             0 /* subsample timing is absolute */);
       }
       stsd.setPosition(childStartPosition + childAtomSize);
@@ -948,7 +948,7 @@ import java.util.List;
           || atomType == Atom.TYPE_dtsh || atomType == Atom.TYPE_dtsl)
           && childAtomType == Atom.TYPE_ddts) {
         out.format = Format.createAudioSampleFormat(Integer.toString(trackId), mimeType,
-            Format.NO_VALUE, Format.NO_VALUE, channelCount, sampleRate, null, drmInitData,
+            Format.NO_VALUE, Format.NO_VALUE, channelCount, sampleRate, null, drmInitData, 0,
             language);
         return;
       }
@@ -966,7 +966,7 @@ import java.util.List;
     out.format = Format.createAudioSampleFormat(Integer.toString(trackId), mimeType,
         Format.NO_VALUE, Format.NO_VALUE, channelCount, sampleRate, pcmEncoding,
         initializationData == null ? null : Collections.singletonList(initializationData),
-        drmInitData, language);
+        drmInitData, 0, language);
   }
 
   /** Returns the position of the esds box within a parent, or -1 if no esds box is found */

library/src/main/java/com/google/android/exoplayer/extractor/ogg/FlacReader.java

@@ -68,7 +68,7 @@ import java.util.List;
       List<byte[]> initializationData = Collections.singletonList(metadata);
       trackOutput.format(Format.createAudioSampleFormat(null, MimeTypes.AUDIO_FLAC,
           streamInfo.bitRate(), Format.NO_VALUE, streamInfo.channels, streamInfo.sampleRate,
-          initializationData, null, null));
+          initializationData, null, 0, null));
     } else if (data[0] == AUDIO_PACKET_TYPE) {
       if (!firstAudioPacketProcessed) {
         if (seekTable != null) {

library/src/main/java/com/google/android/exoplayer/extractor/ogg/OpusReader.java

@@ -74,7 +74,7 @@ import java.util.List;
         List<byte[]> initializationData = Collections.singletonList(metadata);
         trackOutput.format(Format.createAudioSampleFormat(null, MimeTypes.AUDIO_OPUS,
             Format.NO_VALUE, Format.NO_VALUE, channelCount, SAMPLE_RATE,
-            initializationData, null, null));
+            initializationData, null, 0, null));
         state = STATE_READ_TAGS;
       } break;
       case STATE_READ_TAGS:

library/src/main/java/com/google/android/exoplayer/extractor/ogg/VorbisReader.java

@@ -96,7 +96,7 @@ import java.util.ArrayList;
       trackOutput.format(Format.createAudioSampleFormat(null, MimeTypes.AUDIO_VORBIS,
           this.vorbisSetup.idHeader.bitrateNominal, OggParser.OGG_MAX_SEGMENT_SIZE * 255,
           this.vorbisSetup.idHeader.channels, (int) this.vorbisSetup.idHeader.sampleRate,
-          codecInitialisationData, null, null));
+          codecInitialisationData, null, 0, null));
 
       if (inputLength != C.LENGTH_UNBOUNDED) {
         oggSeeker.setup(inputLength - audioStartPosition, totalSamples);

library/src/main/java/com/google/android/exoplayer/extractor/ts/AdtsReader.java

@@ -276,7 +276,7 @@ import java.util.Collections;
 
       Format format = Format.createAudioSampleFormat(null, MimeTypes.AUDIO_AAC, Format.NO_VALUE,
           Format.NO_VALUE, audioParams.second, audioParams.first,
-          Collections.singletonList(audioSpecificConfig), null, null);
+          Collections.singletonList(audioSpecificConfig), null, 0, null);
       // In this class a sample is an access unit, but the MediaFormat sample rate specifies the
       // number of PCM audio samples per second.
       sampleDurationUs = (C.MICROS_PER_SECOND * 1024) / format.sampleRate;

library/src/main/java/com/google/android/exoplayer/extractor/ts/MpegAudioReader.java

@@ -163,7 +163,7 @@ import com.google.android.exoplayer.util.ParsableByteArray;
     if (!hasOutputFormat) {
       frameDurationUs = (C.MICROS_PER_SECOND * header.samplesPerFrame) / header.sampleRate;
       Format format = Format.createAudioSampleFormat(null, header.mimeType, Format.NO_VALUE,
-          MpegAudioHeader.MAX_FRAME_SIZE_BYTES, header.channels, header.sampleRate, null, null,
+          MpegAudioHeader.MAX_FRAME_SIZE_BYTES, header.channels, header.sampleRate, null, null, 0,
           null);
       output.format(format);
       hasOutputFormat = true;

library/src/main/java/com/google/android/exoplayer/extractor/ts/SeiReader.java

@@ -34,7 +34,7 @@ import com.google.android.exoplayer.util.ParsableByteArray;
   public SeiReader(TrackOutput output) {
     this.output = output;
     output.format(Format.createTextSampleFormat(null, MimeTypes.APPLICATION_EIA608, Format.NO_VALUE,
-        null, null));
+        0, null, null));
   }
 
   public void consume(long pesTimeUs, ParsableByteArray seiBuffer) {

library/src/main/java/com/google/android/exoplayer/extractor/wav/WavExtractor.java

@@ -74,7 +74,7 @@ public final class WavExtractor implements Extractor, SeekMap {
       }
       Format format = Format.createAudioSampleFormat(null, MimeTypes.AUDIO_RAW,
           wavHeader.getBitrate(), MAX_INPUT_SIZE, wavHeader.getNumChannels(),
-          wavHeader.getSampleRateHz(), wavHeader.getEncoding(), null, null, null);
+          wavHeader.getSampleRateHz(), wavHeader.getEncoding(), null, null, 0, null);
       trackOutput.format(format);
       bytesPerFrame = wavHeader.getBytesPerFrame();
     }

library/src/main/java/com/google/android/exoplayer/hls/HlsTrackStreamWrapper.java

@@ -526,7 +526,7 @@ import java.util.List;
       return sampleFormat;
     }
     return sampleFormat.copyWithContainerInfo(containerFormat.id, containerFormat.bitrate,
-        containerFormat.width, containerFormat.height, containerFormat.language);
+        containerFormat.width, containerFormat.height, 0, containerFormat.language);
   }
 
   /**

library/src/main/java/com/google/android/exoplayer/hls/WebvttExtractor.java

@@ -165,7 +165,7 @@ import java.util.regex.Pattern;
 
   private TrackOutput buildTrackOutput(long subsampleOffsetUs) {
     TrackOutput trackOutput = output.track(0);
-    trackOutput.format(Format.createTextSampleFormat(null, MimeTypes.TEXT_VTT, Format.NO_VALUE,
+    trackOutput.format(Format.createTextSampleFormat(null, MimeTypes.TEXT_VTT, Format.NO_VALUE, 0,
         language, null, subsampleOffsetUs));
     output.endTracks();
     return trackOutput;

library/src/main/java/com/google/android/exoplayer/hls/playlist/HlsPlaylistParser.java

@@ -168,7 +168,7 @@ public final class HlsPlaylistParser implements UriLoadable.Parser<HlsPlaylist>
             String captionName = HlsParserUtil.parseStringAttr(line, NAME_ATTR_REGEX, NAME_ATTR);
             String language = HlsParserUtil.parseOptionalStringAttr(line, LANGUAGE_ATTR_REGEX);
             muxedCaptionFormat = Format.createTextContainerFormat(captionName,
-                MimeTypes.APPLICATION_M3U8, MimeTypes.APPLICATION_EIA608, -1, language);
+                MimeTypes.APPLICATION_M3U8, MimeTypes.APPLICATION_EIA608, -1, 0, language);
           }
         } else if (SUBTITLES_TYPE.equals(type)) {
           // We assume all subtitles belong to the same group.
@@ -176,7 +176,7 @@ public final class HlsPlaylistParser implements UriLoadable.Parser<HlsPlaylist>
           String uri = HlsParserUtil.parseStringAttr(line, URI_ATTR_REGEX, URI_ATTR);
           String language = HlsParserUtil.parseOptionalStringAttr(line, LANGUAGE_ATTR_REGEX);
           Format format = Format.createTextContainerFormat(subtitleName, MimeTypes.APPLICATION_M3U8,
-              MimeTypes.TEXT_VTT, bitrate, language);
+              MimeTypes.TEXT_VTT, bitrate, 0, language);
           subtitles.add(new Variant(uri, format, codecs));
         } else if (AUDIO_TYPE.equals(type)) {
           // We assume all audios belong to the same group.
@@ -185,7 +185,7 @@ public final class HlsPlaylistParser implements UriLoadable.Parser<HlsPlaylist>
           String audioName = HlsParserUtil.parseStringAttr(line, NAME_ATTR_REGEX, NAME_ATTR);
           int audioBitrate = uri != null ? bitrate : -1;
           Format format = Format.createAudioContainerFormat(audioName, MimeTypes.APPLICATION_M3U8,
-              null, audioBitrate, -1, -1, null, language);
+              null, audioBitrate, -1, -1, null, 0, language);
           if (uri != null) {
             audios.add(new Variant(uri, format, codecs));
           } else {

library/src/main/java/com/google/android/exoplayer/smoothstreaming/SmoothStreamingManifestParser.java

@@ -641,11 +641,11 @@ public class SmoothStreamingManifestParser implements UriLoadable.Parser<SmoothS
             parser.getAttributeValue(null, KEY_CODEC_PRIVATE_DATA));
         String language = (String) getNormalizedAttribute(KEY_LANGUAGE);
         format = Format.createAudioContainerFormat(id, MimeTypes.AUDIO_MP4, sampleMimeType, bitrate,
-            channels, samplingRate, codecSpecificData, language);
+            channels, samplingRate, codecSpecificData, 0, language);
       } else if (type == C.TRACK_TYPE_TEXT) {
         String language = (String) getNormalizedAttribute(KEY_LANGUAGE);
         format = Format.createTextContainerFormat(id, MimeTypes.APPLICATION_MP4, sampleMimeType,
-            bitrate, language);
+            bitrate, 0, language);
       } else {
         format = Format.createContainerFormat(id, MimeTypes.APPLICATION_MP4, sampleMimeType,
             bitrate);

library/src/main/java/com/google/android/exoplayer/util/Ac3Util.java

@@ -80,7 +80,7 @@ public final class Ac3Util {
       channelCount++;
     }
     return Format.createAudioSampleFormat(trackId, MimeTypes.AUDIO_AC3, Format.NO_VALUE,
-        Format.NO_VALUE, channelCount, sampleRate, null, drmInitData, language);
+        Format.NO_VALUE, channelCount, sampleRate, null, drmInitData, 0, language);
   }
 
   /**
@@ -107,7 +107,7 @@ public final class Ac3Util {
       channelCount++;
     }
     return Format.createAudioSampleFormat(trackId, MimeTypes.AUDIO_E_AC3, Format.NO_VALUE,
-        Format.NO_VALUE, channelCount, sampleRate, null, drmInitData, language);
+        Format.NO_VALUE, channelCount, sampleRate, null, drmInitData, 0, language);
   }
 
   /**
@@ -138,7 +138,7 @@ public final class Ac3Util {
     boolean lfeon = data.readBit();
     return Format.createAudioSampleFormat(trackId, MimeTypes.AUDIO_AC3, Format.NO_VALUE,
         Format.NO_VALUE, CHANNEL_COUNT_BY_ACMOD[acmod] + (lfeon ? 1 : 0),
-        SAMPLE_RATE_BY_FSCOD[fscod], null, drmInitData, language);
+        SAMPLE_RATE_BY_FSCOD[fscod], null, drmInitData, 0, language);
   }
 
   /**
@@ -166,7 +166,7 @@ public final class Ac3Util {
     boolean lfeon = data.readBit();
     return Format.createAudioSampleFormat(trackId, MimeTypes.AUDIO_E_AC3, Format.NO_VALUE,
         Format.NO_VALUE, CHANNEL_COUNT_BY_ACMOD[acmod] + (lfeon ? 1 : 0), sampleRate, null,
-        drmInitData, language);
+        drmInitData, 0, language);
   }
 
   /**

library/src/main/java/com/google/android/exoplayer/util/DtsUtil.java

@@ -73,7 +73,7 @@ public final class DtsUtil {
     frameBits.skipBits(10); // MIX, DYNF, TIMEF, AUXF, HDCD, EXT_AUDIO_ID, EXT_AUDIO, ASPF
     channelCount += frameBits.readBits(2) > 0 ? 1 : 0; // LFF
     return Format.createAudioSampleFormat(trackId, MimeTypes.AUDIO_DTS, bitrate, Format.NO_VALUE,
-        channelCount, sampleRate, null, drmInitData, language);
+        channelCount, sampleRate, null, drmInitData, 0, language);
   }
 
   /**