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Commit 6fc5e6b9 by olly Committed by Oliver Woodman
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Migrate HLS to Format.Builder 

Issue: #2863
PiperOrigin-RevId: 296482726
parent f342df20
Inline Side-by-side
Showing with 172 additions and 276 deletions
library/common/src/main/java/com/google/android/exoplayer2/Format.java
......@@ -1347,39 +1347,6 @@ public final class Format implements Parcelable {
return buildUpon().setLabel(label).build();
}
// TODO: Inline into HlsSampleStreamWrapper and remove.
public Format copyWithContainerInfo(
@Nullable String id,
@Nullable String label,
@Nullable String sampleMimeType,
@Nullable String codecs,
@Nullable Metadata metadata,
int bitrate,
int width,
int height,
int channelCount,
@C.SelectionFlags int selectionFlags,
@Nullable String language) {
if (this.metadata != null) {
metadata = this.metadata.copyWithAppendedEntriesFrom(metadata);
}
return buildUpon()
.setId(id)
.setLabel(label)
.setLanguage(language)
.setSelectionFlags(selectionFlags)
.setAverageBitrate(bitrate)
.setPeakBitrate(bitrate)
.setMetadata(metadata)
.setCodecs(codecs)
.setSampleMimeType(sampleMimeType)
.setWidth(width)
.setHeight(height)
.setChannelCount(channelCount)
.build();
}
/** @deprecated Use {@link #withManifestFormatInfo(Format)}. */
@Deprecated
public Format copyWithManifestFormatInfo(Format manifestFormat) {
......
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/DefaultHlsExtractorFactory.java
......@@ -235,15 +235,11 @@ public final class DefaultHlsExtractorFactory implements HlsExtractorFactory {
// closed caption track on channel 0.
muxedCaptionFormats =
Collections.singletonList(
Format.createTextSampleFormat(
/* id= */ null,
MimeTypes.APPLICATION_CEA608,
/* selectionFlags= */ 0,
/* language= */ null));
new Format.Builder().setSampleMimeType(MimeTypes.APPLICATION_CEA608).build());
} else {
muxedCaptionFormats = Collections.emptyList();
}
String codecs = format.codecs;
@Nullable String codecs = format.codecs;
if (!TextUtils.isEmpty(codecs)) {
// Sometimes AAC and H264 streams are declared in TS chunks even though they don't really
// exist. If we know from the codec attribute that they don't exist, then we can
......
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriod.java
......@@ -659,7 +659,11 @@ public final class HlsMediaPeriod implements MediaPeriod, HlsSampleStreamWrapper
}
TrackGroup id3TrackGroup =
new TrackGroup(Format.createSampleFormat(/* id= */ "ID3", MimeTypes.APPLICATION_ID3));
new TrackGroup(
new Format.Builder()
.setId("ID3")
.setSampleMimeType(MimeTypes.APPLICATION_ID3)
.build());
muxedTrackGroups.add(id3TrackGroup);
sampleStreamWrapper.prepareWithMasterPlaylistInfo(
......@@ -785,33 +789,34 @@ public final class HlsMediaPeriod implements MediaPeriod, HlsSampleStreamWrapper
}
private static Format deriveVideoFormat(Format variantFormat) {
String codecs = Util.getCodecsOfType(variantFormat.codecs, C.TRACK_TYPE_VIDEO);
String sampleMimeType = MimeTypes.getMediaMimeType(codecs);
return Format.createVideoContainerFormat(
variantFormat.id,
variantFormat.label,
variantFormat.containerMimeType,
sampleMimeType,
codecs,
variantFormat.metadata,
variantFormat.bitrate,
variantFormat.width,
variantFormat.height,
variantFormat.frameRate,
/* initializationData= */ null,
variantFormat.selectionFlags,
variantFormat.roleFlags);
@Nullable String codecs = Util.getCodecsOfType(variantFormat.codecs, C.TRACK_TYPE_VIDEO);
@Nullable String sampleMimeType = MimeTypes.getMediaMimeType(codecs);
return new Format.Builder()
.setId(variantFormat.id)
.setLabel(variantFormat.label)
.setContainerMimeType(variantFormat.containerMimeType)
.setSampleMimeType(sampleMimeType)
.setCodecs(codecs)
.setMetadata(variantFormat.metadata)
.setAverageBitrate(variantFormat.averageBitrate)
.setPeakBitrate(variantFormat.peakBitrate)
.setWidth(variantFormat.width)
.setHeight(variantFormat.height)
.setFrameRate(variantFormat.frameRate)
.setSelectionFlags(variantFormat.selectionFlags)
.setRoleFlags(variantFormat.roleFlags)
.build();
}
private static Format deriveAudioFormat(
Format variantFormat, @Nullable Format mediaTagFormat, boolean isPrimaryTrackInVariant) {
String codecs;
Metadata metadata;
@Nullable String codecs;
@Nullable Metadata metadata;
int channelCount = Format.NO_VALUE;
int selectionFlags = 0;
int roleFlags = 0;
String language = null;
String label = null;
@Nullable String language = null;
@Nullable String label = null;
if (mediaTagFormat != null) {
codecs = mediaTagFormat.codecs;
metadata = mediaTagFormat.metadata;
......@@ -831,22 +836,23 @@ public final class HlsMediaPeriod implements MediaPeriod, HlsSampleStreamWrapper
label = variantFormat.label;
}
}
String sampleMimeType = MimeTypes.getMediaMimeType(codecs);
int bitrate = isPrimaryTrackInVariant ? variantFormat.bitrate : Format.NO_VALUE;
return Format.createAudioContainerFormat(
variantFormat.id,
label,
variantFormat.containerMimeType,
sampleMimeType,
codecs,
metadata,
bitrate,
channelCount,
/* sampleRate= */ Format.NO_VALUE,
/* initializationData= */ null,
selectionFlags,
roleFlags,
language);
@Nullable String sampleMimeType = MimeTypes.getMediaMimeType(codecs);
int averageBitrate = isPrimaryTrackInVariant ? variantFormat.averageBitrate : Format.NO_VALUE;
int peakBitrate = isPrimaryTrackInVariant ? variantFormat.peakBitrate : Format.NO_VALUE;
return new Format.Builder()
.setId(variantFormat.id)
.setLabel(label)
.setContainerMimeType(variantFormat.containerMimeType)
.setSampleMimeType(sampleMimeType)
.setCodecs(codecs)
.setMetadata(metadata)
.setAverageBitrate(averageBitrate)
.setPeakBitrate(peakBitrate)
.setChannelCount(channelCount)
.setSelectionFlags(selectionFlags)
.setRoleFlags(roleFlags)
.setLanguage(language)
.build();
}
}
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsSampleStreamWrapper.java
......@@ -1269,38 +1269,50 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
*
* @param playlistFormat The format information obtained from the master playlist.
* @param sampleFormat The format information obtained from the samples.
* @param propagateBitrate Whether the bitrate from the playlist format should be included in the
* derived format.
* @param propagateBitrates Whether the bitrates from the playlist format should be included in
* the derived format.
* @return The derived track format.
*/
private static Format deriveFormat(
@Nullable Format playlistFormat, Format sampleFormat, boolean propagateBitrate) {
@Nullable Format playlistFormat, Format sampleFormat, boolean propagateBitrates) {
if (playlistFormat == null) {
return sampleFormat;
}
int bitrate = propagateBitrate ? playlistFormat.bitrate : Format.NO_VALUE;
int channelCount =
playlistFormat.channelCount != Format.NO_VALUE
? playlistFormat.channelCount
: sampleFormat.channelCount;
int sampleTrackType = MimeTypes.getTrackType(sampleFormat.sampleMimeType);
@Nullable String codecs = Util.getCodecsOfType(playlistFormat.codecs, sampleTrackType);
@Nullable String mimeType = MimeTypes.getMediaMimeType(codecs);
if (mimeType == null) {
mimeType = sampleFormat.sampleMimeType;
}
return sampleFormat.copyWithContainerInfo(
playlistFormat.id,
playlistFormat.label,
mimeType,
codecs,
playlistFormat.metadata,
bitrate,
playlistFormat.width,
playlistFormat.height,
channelCount,
playlistFormat.selectionFlags,
playlistFormat.language);
@Nullable String sampleMimeType = MimeTypes.getMediaMimeType(codecs);
Format.Builder formatBuilder =
sampleFormat
.buildUpon()
.setId(playlistFormat.id)
.setLabel(playlistFormat.label)
.setLanguage(playlistFormat.language)
.setSelectionFlags(playlistFormat.selectionFlags)
.setAverageBitrate(propagateBitrates ? playlistFormat.averageBitrate : Format.NO_VALUE)
.setPeakBitrate(propagateBitrates ? playlistFormat.peakBitrate : Format.NO_VALUE)
.setCodecs(codecs)
.setWidth(playlistFormat.width)
.setHeight(playlistFormat.height);
if (sampleMimeType != null) {
formatBuilder.setSampleMimeType(sampleMimeType);
}
if (playlistFormat.channelCount != Format.NO_VALUE) {
formatBuilder.setChannelCount(playlistFormat.channelCount);
}
if (playlistFormat.metadata != null) {
Metadata metadata = playlistFormat.metadata;
if (sampleFormat.metadata != null) {
metadata = sampleFormat.metadata.copyWithAppendedEntriesFrom(metadata);
}
formatBuilder.setMetadata(metadata);
}
return formatBuilder.build();
}
private static boolean isMediaChunk(Chunk chunk) {
......@@ -1409,9 +1421,9 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
// TODO(ibaker): Create a Formats util class with common constants like this.
private static final Format ID3_FORMAT =
Format.createSampleFormat(/* id= */ null, MimeTypes.APPLICATION_ID3);
new Format.Builder().setSampleMimeType(MimeTypes.APPLICATION_ID3).build();
private static final Format EMSG_FORMAT =
Format.createSampleFormat(/* id= */ null, MimeTypes.APPLICATION_EMSG);
new Format.Builder().setSampleMimeType(MimeTypes.APPLICATION_EMSG).build();
private final EventMessageDecoder emsgDecoder;
private final TrackOutput delegate;
......
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/WebvttExtractor.java
......@@ -187,9 +187,11 @@ public final class WebvttExtractor implements Extractor {
private TrackOutput buildTrackOutput(long subsampleOffsetUs) {
TrackOutput trackOutput = output.track(0, C.TRACK_TYPE_TEXT);
trackOutput.format(
Format.createTextSampleFormat(
/* id= */ null, MimeTypes.TEXT_VTT, /* selectionFlags= */ 0, language)
.copyWithSubsampleOffsetUs(subsampleOffsetUs));
new Format.Builder()
.setSampleMimeType(MimeTypes.TEXT_VTT)
.setLanguage(language)
.setSubsampleOffsetUs(subsampleOffsetUs)
.build());
output.endTracks();
return trackOutput;
}
......
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsMasterPlaylist.java
......@@ -102,16 +102,7 @@ public final class HlsMasterPlaylist extends HlsPlaylist {
*/
public static Variant createMediaPlaylistVariantUrl(Uri url) {
Format format =
Format.createContainerFormat(
"0",
/* label= */ null,
MimeTypes.APPLICATION_M3U8,
/* sampleMimeType= */ null,
/* codecs= */ null,
/* bitrate= */ Format.NO_VALUE,
/* selectionFlags= */ 0,
/* roleFlags= */ 0,
/* language= */ null);
new Format.Builder().setId("0").setContainerMimeType(MimeTypes.APPLICATION_M3U8).build();
return new Variant(
url,
format,
......
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistParser.java
......@@ -342,22 +342,17 @@ public final class HlsPlaylistParser implements ParsingLoadable.Parser<HlsPlayli
replaceVariableReferences(
iterator.next(), variableDefinitions); // #EXT-X-STREAM-INF's URI.
Uri uri = UriUtil.resolveToUri(baseUri, line);
// TODO: Set Format.averageBitrate.
Format format =
Format.createVideoContainerFormat(
/* id= */ Integer.toString(variants.size()),
/* label= */ null,
/* containerMimeType= */ MimeTypes.APPLICATION_M3U8,
/* sampleMimeType= */ null,
codecs,
/* metadata= */ null,
peakBitrate,
width,
height,
frameRate,
/* initializationData= */ null,
/* selectionFlags= */ 0,
/* roleFlags= */ 0);
new Format.Builder()
.setId(variants.size())
.setContainerMimeType(MimeTypes.APPLICATION_M3U8)
.setCodecs(codecs)
.setAverageBitrate(averageBitrate)
.setPeakBitrate(peakBitrate)
.setWidth(width)
.setHeight(height)
.setFrameRate(frameRate)
.build();
Variant variant =
new Variant(
uri, format, videoGroupId, audioGroupId, subtitlesGroupId, closedCaptionsGroupId);
......@@ -400,131 +395,89 @@ public final class HlsPlaylistParser implements ParsingLoadable.Parser<HlsPlayli
line = mediaTags.get(i);
String groupId = parseStringAttr(line, REGEX_GROUP_ID, variableDefinitions);
String name = parseStringAttr(line, REGEX_NAME, variableDefinitions);
String referenceUri = parseOptionalStringAttr(line, REGEX_URI, variableDefinitions);
Uri uri = referenceUri == null ? null : UriUtil.resolveToUri(baseUri, referenceUri);
String language = parseOptionalStringAttr(line, REGEX_LANGUAGE, variableDefinitions);
@C.SelectionFlags int selectionFlags = parseSelectionFlags(line);
@C.RoleFlags int roleFlags = parseRoleFlags(line, variableDefinitions);
String formatId = groupId + ":" + name;
Format format;
Format.Builder formatBuilder =
new Format.Builder()
.setId(groupId + ":" + name)
.setLabel(name)
.setContainerMimeType(MimeTypes.APPLICATION_M3U8)
.setSelectionFlags(parseSelectionFlags(line))
.setRoleFlags(parseRoleFlags(line, variableDefinitions))
.setLanguage(parseOptionalStringAttr(line, REGEX_LANGUAGE, variableDefinitions));
@Nullable String referenceUri = parseOptionalStringAttr(line, REGEX_URI, variableDefinitions);
@Nullable Uri uri = referenceUri == null ? null : UriUtil.resolveToUri(baseUri, referenceUri);
Metadata metadata =
new Metadata(new HlsTrackMetadataEntry(groupId, name, Collections.emptyList()));
switch (parseStringAttr(line, REGEX_TYPE, variableDefinitions)) {
case TYPE_VIDEO:
Variant variant = getVariantWithVideoGroup(variants, groupId);
String codecs = null;
int width = Format.NO_VALUE;
int height = Format.NO_VALUE;
float frameRate = Format.NO_VALUE;
@Nullable Variant variant = getVariantWithVideoGroup(variants, groupId);
if (variant != null) {
Format variantFormat = variant.format;
codecs = Util.getCodecsOfType(variantFormat.codecs, C.TRACK_TYPE_VIDEO);
width = variantFormat.width;
height = variantFormat.height;
frameRate = variantFormat.frameRate;
}
String sampleMimeType = codecs != null ? MimeTypes.getMediaMimeType(codecs) : null;
format =
Format.createVideoContainerFormat(
/* id= */ formatId,
/* label= */ name,
/* containerMimeType= */ MimeTypes.APPLICATION_M3U8,
sampleMimeType,
codecs,
/* metadata= */ null,
/* bitrate= */ Format.NO_VALUE,
width,
height,
frameRate,
/* initializationData= */ null,
selectionFlags,
roleFlags)
.copyWithMetadata(metadata);
@Nullable
String codecs = Util.getCodecsOfType(variantFormat.codecs, C.TRACK_TYPE_VIDEO);
formatBuilder
.setCodecs(codecs)
.setSampleMimeType(MimeTypes.getMediaMimeType(codecs))
.setWidth(variantFormat.width)
.setHeight(variantFormat.height)
.setFrameRate(variantFormat.frameRate);
}
if (uri == null) {
// TODO: Remove this case and add a Rendition with a null uri to videos.
} else {
videos.add(new Rendition(uri, format, groupId, name));
formatBuilder.setMetadata(metadata);
videos.add(new Rendition(uri, formatBuilder.build(), groupId, name));
}
break;
case TYPE_AUDIO:
@Nullable String sampleMimeType = null;
variant = getVariantWithAudioGroup(variants, groupId);
codecs =
variant != null
? Util.getCodecsOfType(variant.format.codecs, C.TRACK_TYPE_AUDIO)
: null;
sampleMimeType = codecs != null ? MimeTypes.getMediaMimeType(codecs) : null;
if (variant != null) {
@Nullable
String codecs = Util.getCodecsOfType(variant.format.codecs, C.TRACK_TYPE_AUDIO);
formatBuilder.setCodecs(codecs);
sampleMimeType = MimeTypes.getMediaMimeType(codecs);
}
@Nullable
String channelsString =
parseOptionalStringAttr(line, REGEX_CHANNELS, variableDefinitions);
int channelCount = Format.NO_VALUE;
if (channelsString != null) {
channelCount = Integer.parseInt(Util.splitAtFirst(channelsString, "/")[0]);
int channelCount = Integer.parseInt(Util.splitAtFirst(channelsString, "/")[0]);
formatBuilder.setChannelCount(channelCount);
if (MimeTypes.AUDIO_E_AC3.equals(sampleMimeType) && channelsString.endsWith("/JOC")) {
sampleMimeType = MimeTypes.AUDIO_E_AC3_JOC;
}
}
format =
Format.createAudioContainerFormat(
/* id= */ formatId,
/* label= */ name,
/* containerMimeType= */ MimeTypes.APPLICATION_M3U8,
sampleMimeType,
codecs,
/* metadata= */ null,
/* bitrate= */ Format.NO_VALUE,
channelCount,
/* sampleRate= */ Format.NO_VALUE,
/* initializationData= */ null,
selectionFlags,
roleFlags,
language);
formatBuilder.setSampleMimeType(sampleMimeType);
if (uri == null) {
// TODO: Remove muxedAudioFormat and add a Rendition with a null uri to audios.
muxedAudioFormat = format;
muxedAudioFormat = formatBuilder.build();
} else {
audios.add(new Rendition(uri, format.copyWithMetadata(metadata), groupId, name));
formatBuilder.setMetadata(metadata);
audios.add(new Rendition(uri, formatBuilder.build(), groupId, name));
}
break;
case TYPE_SUBTITLES:
format =
Format.createTextContainerFormat(
/* id= */ formatId,
/* label= */ name,
/* containerMimeType= */ MimeTypes.APPLICATION_M3U8,
/* sampleMimeType= */ MimeTypes.TEXT_VTT,
/* codecs= */ null,
/* bitrate= */ Format.NO_VALUE,
selectionFlags,
roleFlags,
language)
.copyWithMetadata(metadata);
subtitles.add(new Rendition(uri, format, groupId, name));
formatBuilder.setSampleMimeType(MimeTypes.TEXT_VTT).setMetadata(metadata);
subtitles.add(new Rendition(uri, formatBuilder.build(), groupId, name));
break;
case TYPE_CLOSED_CAPTIONS:
String instreamId = parseStringAttr(line, REGEX_INSTREAM_ID, variableDefinitions);
String mimeType;
int accessibilityChannel;
if (instreamId.startsWith("CC")) {
mimeType = MimeTypes.APPLICATION_CEA608;
sampleMimeType = MimeTypes.APPLICATION_CEA608;
accessibilityChannel = Integer.parseInt(instreamId.substring(2));
} else /* starts with SERVICE */ {
mimeType = MimeTypes.APPLICATION_CEA708;
sampleMimeType = MimeTypes.APPLICATION_CEA708;
accessibilityChannel = Integer.parseInt(instreamId.substring(7));
}
if (muxedCaptionFormats == null) {
muxedCaptionFormats = new ArrayList<>();
}
muxedCaptionFormats.add(
Format.createTextContainerFormat(
/* id= */ formatId,
/* label= */ name,
/* containerMimeType= */ null,
/* sampleMimeType= */ mimeType,
/* codecs= */ null,
/* bitrate= */ Format.NO_VALUE,
selectionFlags,
roleFlags,
language,
accessibilityChannel));
formatBuilder
.setSampleMimeType(sampleMimeType)
.setAccessibilityChannel(accessibilityChannel);
muxedCaptionFormats.add(formatBuilder.build());
// TODO: Remove muxedCaptionFormats and add a Rendition with a null uri to closedCaptions.
break;
default:
......
library/hls/src/test/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriodTest.java
......@@ -55,11 +55,11 @@ public final class HlsMediaPeriodTest {
HlsMasterPlaylist testMasterPlaylist =
createMasterPlaylist(
/* variants= */ Arrays.asList(
createAudioOnlyVariant(/* bitrate= */ 10000),
createMuxedVideoAudioVariant(/* bitrate= */ 200000),
createAudioOnlyVariant(/* bitrate= */ 300000),
createMuxedVideoAudioVariant(/* bitrate= */ 400000),
createMuxedVideoAudioVariant(/* bitrate= */ 600000)),
createAudioOnlyVariant(/* peakBitrate= */ 10000),
createMuxedVideoAudioVariant(/* peakBitrate= */ 200000),
createAudioOnlyVariant(/* peakBitrate= */ 300000),
createMuxedVideoAudioVariant(/* peakBitrate= */ 400000),
createMuxedVideoAudioVariant(/* peakBitrate= */ 600000)),
/* audios= */ Arrays.asList(
createAudioRendition(/* language= */ "spa"),
createAudioRendition(/* language= */ "ger"),
......@@ -121,40 +121,22 @@ public final class HlsMediaPeriodTest {
/* sessionKeyDrmInitData= */ Collections.emptyList());
}
private static Variant createMuxedVideoAudioVariant(int bitrate) {
private static Variant createMuxedVideoAudioVariant(int peakBitrate) {
return createVariant(
Format.createVideoContainerFormat(
/* id= */ null,
/* label= */ null,
/* containerMimeType= */ MimeTypes.APPLICATION_M3U8,
/* sampleMimeType= */ null,
/* codecs= */ "avc1.100.41,mp4a.40.2",
/* metadata= */ null,
bitrate,
/* width= */ Format.NO_VALUE,
/* height= */ Format.NO_VALUE,
/* frameRate= */ Format.NO_VALUE,
/* initializationData= */ null,
/* selectionFlags= */ 0,
/* roleFlags= */ 0));
new Format.Builder()
.setContainerMimeType(MimeTypes.APPLICATION_M3U8)
.setCodecs("avc1.100.41,mp4a.40.2")
.setPeakBitrate(peakBitrate)
.build());
}
private static Variant createAudioOnlyVariant(int bitrate) {
private static Variant createAudioOnlyVariant(int peakBitrate) {
return createVariant(
Format.createVideoContainerFormat(
/* id= */ null,
/* label= */ null,
/* containerMimeType= */ MimeTypes.APPLICATION_M3U8,
/* sampleMimeType= */ null,
/* codecs= */ "mp4a.40.2",
/* metadata= */ null,
bitrate,
/* width= */ Format.NO_VALUE,
/* height= */ Format.NO_VALUE,
/* frameRate= */ Format.NO_VALUE,
/* initializationData= */ null,
/* selectionFlags= */ 0,
/* roleFlags= */ 0));
new Format.Builder()
.setContainerMimeType(MimeTypes.APPLICATION_M3U8)
.setCodecs("mp4a.40.2")
.setPeakBitrate(peakBitrate)
.build());
}
private static Rendition createAudioRendition(String language) {
......@@ -174,32 +156,19 @@ public final class HlsMediaPeriodTest {
}
private static Format createAudioFormat(String language) {
return Format.createAudioContainerFormat(
/* id= */ null,
/* label= */ null,
/* containerMimeType= */ MimeTypes.APPLICATION_M3U8,
MimeTypes.getMediaMimeType("mp4a.40.2"),
/* codecs= */ "mp4a.40.2",
/* metadata= */ null,
/* bitrate= */ Format.NO_VALUE,
/* channelCount= */ Format.NO_VALUE,
/* sampleRate= */ Format.NO_VALUE,
/* initializationData= */ null,
/* selectionFlags= */ 0,
/* roleFlags= */ 0,
language);
return new Format.Builder()
.setContainerMimeType(MimeTypes.APPLICATION_M3U8)
.setSampleMimeType(MimeTypes.getMediaMimeType("mp4a.40.2"))
.setCodecs("mp4a.40.2")
.setLanguage(language)
.build();
}
private static Format createSubtitleFormat(String language) {
return Format.createTextContainerFormat(
/* id= */ null,
/* label= */ null,
/* containerMimeType= */ MimeTypes.APPLICATION_M3U8,
/* sampleMimeType= */ MimeTypes.TEXT_VTT,
/* codecs= */ null,
/* bitrate= */ Format.NO_VALUE,
/* selectionFlags= */ 0,
/* roleFlags= */ 0,
language);
return new Format.Builder()
.setContainerMimeType(MimeTypes.APPLICATION_M3U8)
.setSampleMimeType(MimeTypes.TEXT_VTT)
.setLanguage(language)
.build();
}
}
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