@Override
public void parse(String line, ParseState state) throws ParseException {
super.parse(line, state);
final Matcher matcher = match(Constants.EXT_X_VERSION_PATTERN, line);
if (state.getCompatibilityVersion() != ParseState.NONE) {
throw ParseException.create(
ParseExceptionType.MULTIPLE_EXT_TAG_INSTANCES, getTag(), line);
}
final int compatibilityVersion = ParseUtil.parseInt(matcher.group(1), getTag());
if (compatibilityVersion < Playlist.MIN_COMPATIBILITY_VERSION) {
throw ParseException.create(
ParseExceptionType.INVALID_COMPATIBILITY_VERSION, getTag(), line);
}
if (compatibilityVersion > Constants.MAX_COMPATIBILITY_VERSION) {
throw ParseException.create(
ParseExceptionType.UNSUPPORTED_COMPATIBILITY_VERSION, getTag(), line);
}
state.setCompatibilityVersion(compatibilityVersion);
}
@Override
public void parse(String line, ParseState state) throws ParseException {
super.parse(line, state);
final Matcher matcher = match(Constants.EXT_X_MEDIA_SEQUENCE_PATTERN, line);
if (state.getMedia().mediaSequenceNumber != null) {
throw ParseException.create(
ParseExceptionType.MULTIPLE_EXT_TAG_INSTANCES, getTag(), line);
}
state.getMedia().mediaSequenceNumber = ParseUtil.parseInt(matcher.group(1), getTag());
}
@Override
public void parse(String line, ParseState state) throws ParseException {
super.parse(line, state);
final Matcher matcher = match(Constants.EXT_X_TARGETDURATION_PATTERN, line);
if (state.getMedia().targetDuration != null) {
throw ParseException.create(
ParseExceptionType.MULTIPLE_EXT_TAG_INSTANCES, getTag(), line);
}
state.getMedia().targetDuration = ParseUtil.parseInt(matcher.group(1), getTag());
}