Examples with DrmInitData androidx.media3.common.DrmInitData used on opensource projects

Example 1 with DrmInitData

use of androidx.media3.common.DrmInitData in project media by androidx.

the class Format method toBundle.

@UnstableApi
@Override
public Bundle toBundle() {
    Bundle bundle = new Bundle();
    bundle.putString(keyForField(FIELD_ID), id);
    bundle.putString(keyForField(FIELD_LABEL), label);
    bundle.putString(keyForField(FIELD_LANGUAGE), language);
    bundle.putInt(keyForField(FIELD_SELECTION_FLAGS), selectionFlags);
    bundle.putInt(keyForField(FIELD_ROLE_FLAGS), roleFlags);
    bundle.putInt(keyForField(FIELD_AVERAGE_BITRATE), averageBitrate);
    bundle.putInt(keyForField(FIELD_PEAK_BITRATE), peakBitrate);
    bundle.putString(keyForField(FIELD_CODECS), codecs);
    // Metadata is currently not Bundleable because Metadata.Entry is an Interface,
    // which would be difficult to unbundle in a backward compatible way.
    // The entries are additionally of limited usefulness to remote processes.
    bundle.putParcelable(keyForField(FIELD_METADATA), metadata);
    // Container specific.
    bundle.putString(keyForField(FIELD_CONTAINER_MIME_TYPE), containerMimeType);
    // Sample specific.
    bundle.putString(keyForField(FIELD_SAMPLE_MIME_TYPE), sampleMimeType);
    bundle.putInt(keyForField(FIELD_MAX_INPUT_SIZE), maxInputSize);
    for (int i = 0; i < initializationData.size(); i++) {
        bundle.putByteArray(keyForInitializationData(i), initializationData.get(i));
    }
    // DrmInitData doesn't need to be Bundleable as it's only used in the playing process to
    // initialize the decoder.
    bundle.putParcelable(keyForField(FIELD_DRM_INIT_DATA), drmInitData);
    bundle.putLong(keyForField(FIELD_SUBSAMPLE_OFFSET_US), subsampleOffsetUs);
    // Video specific.
    bundle.putInt(keyForField(FIELD_WIDTH), width);
    bundle.putInt(keyForField(FIELD_HEIGHT), height);
    bundle.putFloat(keyForField(FIELD_FRAME_RATE), frameRate);
    bundle.putInt(keyForField(FIELD_ROTATION_DEGREES), rotationDegrees);
    bundle.putFloat(keyForField(FIELD_PIXEL_WIDTH_HEIGHT_RATIO), pixelWidthHeightRatio);
    bundle.putByteArray(keyForField(FIELD_PROJECTION_DATA), projectionData);
    bundle.putInt(keyForField(FIELD_STEREO_MODE), stereoMode);
    bundle.putBundle(keyForField(FIELD_COLOR_INFO), BundleableUtil.toNullableBundle(colorInfo));
    // Audio specific.
    bundle.putInt(keyForField(FIELD_CHANNEL_COUNT), channelCount);
    bundle.putInt(keyForField(FIELD_SAMPLE_RATE), sampleRate);
    bundle.putInt(keyForField(FIELD_PCM_ENCODING), pcmEncoding);
    bundle.putInt(keyForField(FIELD_ENCODER_DELAY), encoderDelay);
    bundle.putInt(keyForField(FIELD_ENCODER_PADDING), encoderPadding);
    // Text specific.
    bundle.putInt(keyForField(FIELD_ACCESSIBILITY_CHANNEL), accessibilityChannel);
    // Source specific.
    bundle.putInt(keyForField(FIELD_CRYPTO_TYPE), cryptoType);
    return bundle;
}

Example 2 with DrmInitData

use of androidx.media3.common.DrmInitData in project media by androidx.

the class FormatTest method createTestFormat.

private static Format createTestFormat() {
    byte[] initData1 = new byte[] { 1, 2, 3 };
    byte[] initData2 = new byte[] { 4, 5, 6 };
    List<byte[]> initializationData = new ArrayList<>();
    initializationData.add(initData1);
    initializationData.add(initData2);
    DrmInitData.SchemeData drmData1 = new DrmInitData.SchemeData(WIDEVINE_UUID, VIDEO_MP4, buildTestData(128, 1));
    DrmInitData.SchemeData drmData2 = new DrmInitData.SchemeData(C.UUID_NIL, VIDEO_WEBM, buildTestData(128, 1));
    DrmInitData drmInitData = new DrmInitData(drmData1, drmData2);
    byte[] projectionData = new byte[] { 1, 2, 3 };
    Metadata metadata = new Metadata(new FakeMetadataEntry("id1"), new FakeMetadataEntry("id2"));
    ColorInfo colorInfo = new ColorInfo(C.COLOR_SPACE_BT709, C.COLOR_RANGE_LIMITED, C.COLOR_TRANSFER_SDR, new byte[] { 1, 2, 3, 4, 5, 6, 7 });
    return new Format.Builder().setId("id").setLabel("label").setLanguage("language").setSelectionFlags(C.SELECTION_FLAG_DEFAULT).setRoleFlags(C.ROLE_FLAG_MAIN).setAverageBitrate(1024).setPeakBitrate(2048).setCodecs("codec").setMetadata(metadata).setContainerMimeType(VIDEO_MP4).setSampleMimeType(MimeTypes.VIDEO_H264).setMaxInputSize(5000).setInitializationData(initializationData).setDrmInitData(drmInitData).setSubsampleOffsetUs(Format.OFFSET_SAMPLE_RELATIVE).setWidth(1920).setHeight(1080).setFrameRate(24).setRotationDegrees(90).setPixelWidthHeightRatio(4).setProjectionData(projectionData).setStereoMode(C.STEREO_MODE_TOP_BOTTOM).setColorInfo(colorInfo).setChannelCount(6).setSampleRate(44100).setPcmEncoding(C.ENCODING_PCM_24BIT).setEncoderDelay(1001).setEncoderPadding(1002).setAccessibilityChannel(2).setCryptoType(C.CRYPTO_TYPE_CUSTOM_BASE).build();
}

Example 3 with DrmInitData

use of androidx.media3.common.DrmInitData in project media by androidx.

the class OutputConsumerAdapterV30 method toExoPlayerDrmInitData.

@Nullable
private static DrmInitData toExoPlayerDrmInitData(@Nullable String schemeType, @Nullable android.media.DrmInitData drmInitData) {
    if (drmInitData == null) {
        return null;
    }
    SchemeData[] schemeDatas = new SchemeData[drmInitData.getSchemeInitDataCount()];
    for (int i = 0; i < schemeDatas.length; i++) {
        SchemeInitData schemeInitData = drmInitData.getSchemeInitDataAt(i);
        schemeDatas[i] = new SchemeData(schemeInitData.uuid, schemeInitData.mimeType, schemeInitData.data);
    }
    return new DrmInitData(schemeType, schemeDatas);
}

Example 4 with DrmInitData

use of androidx.media3.common.DrmInitData in project media by androidx.

the class HlsMediaPeriod method buildAndPrepareSampleStreamWrappers.

// Internal methods.
private void buildAndPrepareSampleStreamWrappers(long positionUs) {
    HlsMultivariantPlaylist multivariantPlaylist = Assertions.checkNotNull(playlistTracker.getMultivariantPlaylist());
    Map<String, DrmInitData> overridingDrmInitData = useSessionKeys ? deriveOverridingDrmInitData(multivariantPlaylist.sessionKeyDrmInitData) : Collections.emptyMap();
    boolean hasVariants = !multivariantPlaylist.variants.isEmpty();
    List<Rendition> audioRenditions = multivariantPlaylist.audios;
    List<Rendition> subtitleRenditions = multivariantPlaylist.subtitles;
    pendingPrepareCount = 0;
    ArrayList<HlsSampleStreamWrapper> sampleStreamWrappers = new ArrayList<>();
    ArrayList<int[]> manifestUrlIndicesPerWrapper = new ArrayList<>();
    if (hasVariants) {
        buildAndPrepareMainSampleStreamWrapper(multivariantPlaylist, positionUs, sampleStreamWrappers, manifestUrlIndicesPerWrapper, overridingDrmInitData);
    }
    // TODO: Build video stream wrappers here.
    buildAndPrepareAudioSampleStreamWrappers(positionUs, audioRenditions, sampleStreamWrappers, manifestUrlIndicesPerWrapper, overridingDrmInitData);
    audioVideoSampleStreamWrapperCount = sampleStreamWrappers.size();
    // these.
    for (int i = 0; i < subtitleRenditions.size(); i++) {
        Rendition subtitleRendition = subtitleRenditions.get(i);
        String sampleStreamWrapperUid = "subtitle:" + i + ":" + subtitleRendition.name;
        HlsSampleStreamWrapper sampleStreamWrapper = buildSampleStreamWrapper(sampleStreamWrapperUid, C.TRACK_TYPE_TEXT, new Uri[] { subtitleRendition.url }, new Format[] { subtitleRendition.format }, null, Collections.emptyList(), overridingDrmInitData, positionUs);
        manifestUrlIndicesPerWrapper.add(new int[] { i });
        sampleStreamWrappers.add(sampleStreamWrapper);
        sampleStreamWrapper.prepareWithMultivariantPlaylistInfo(new TrackGroup[] { new TrackGroup(sampleStreamWrapperUid, subtitleRendition.format) }, /* primaryTrackGroupIndex= */
        0);
    }
    this.sampleStreamWrappers = sampleStreamWrappers.toArray(new HlsSampleStreamWrapper[0]);
    this.manifestUrlIndicesPerWrapper = manifestUrlIndicesPerWrapper.toArray(new int[0][]);
    pendingPrepareCount = this.sampleStreamWrappers.length;
    // Set timestamp master and trigger preparation (if not already prepared)
    this.sampleStreamWrappers[0].setIsTimestampMaster(true);
    for (HlsSampleStreamWrapper sampleStreamWrapper : this.sampleStreamWrappers) {
        sampleStreamWrapper.continuePreparing();
    }
    // All wrappers are enabled during preparation.
    enabledSampleStreamWrappers = this.sampleStreamWrappers;
}

Example 5 with DrmInitData

use of androidx.media3.common.DrmInitData in project media by androidx.

the class HlsPlaylistParser method parseMediaPlaylist.

private static HlsMediaPlaylist parseMediaPlaylist(HlsMultivariantPlaylist multivariantPlaylist, @Nullable HlsMediaPlaylist previousMediaPlaylist, LineIterator iterator, String baseUri) throws IOException {
    @HlsMediaPlaylist.PlaylistType int playlistType = HlsMediaPlaylist.PLAYLIST_TYPE_UNKNOWN;
    long startOffsetUs = C.TIME_UNSET;
    long mediaSequence = 0;
    // Default version == 1.
    int version = 1;
    long targetDurationUs = C.TIME_UNSET;
    long partTargetDurationUs = C.TIME_UNSET;
    boolean hasIndependentSegmentsTag = multivariantPlaylist.hasIndependentSegments;
    boolean hasEndTag = false;
    @Nullable Segment initializationSegment = null;
    HashMap<String, String> variableDefinitions = new HashMap<>();
    HashMap<String, Segment> urlToInferredInitSegment = new HashMap<>();
    List<Segment> segments = new ArrayList<>();
    List<Part> trailingParts = new ArrayList<>();
    @Nullable Part preloadPart = null;
    List<RenditionReport> renditionReports = new ArrayList<>();
    List<String> tags = new ArrayList<>();
    long segmentDurationUs = 0;
    String segmentTitle = "";
    boolean hasDiscontinuitySequence = false;
    int playlistDiscontinuitySequence = 0;
    int relativeDiscontinuitySequence = 0;
    long playlistStartTimeUs = 0;
    long segmentStartTimeUs = 0;
    boolean preciseStart = false;
    long segmentByteRangeOffset = 0;
    long segmentByteRangeLength = C.LENGTH_UNSET;
    long partStartTimeUs = 0;
    long partByteRangeOffset = 0;
    boolean isIFrameOnly = false;
    long segmentMediaSequence = 0;
    boolean hasGapTag = false;
    HlsMediaPlaylist.ServerControl serverControl = new HlsMediaPlaylist.ServerControl(/* skipUntilUs= */
    C.TIME_UNSET, /* canSkipDateRanges= */
    false, /* holdBackUs= */
    C.TIME_UNSET, /* partHoldBackUs= */
    C.TIME_UNSET, /* canBlockReload= */
    false);
    @Nullable DrmInitData playlistProtectionSchemes = null;
    @Nullable String fullSegmentEncryptionKeyUri = null;
    @Nullable String fullSegmentEncryptionIV = null;
    TreeMap<String, SchemeData> currentSchemeDatas = new TreeMap<>();
    @Nullable String encryptionScheme = null;
    @Nullable DrmInitData cachedDrmInitData = null;
    String line;
    while (iterator.hasNext()) {
        line = iterator.next();
        if (line.startsWith(TAG_PREFIX)) {
            // We expose all tags through the playlist.
            tags.add(line);
        }
        if (line.startsWith(TAG_PLAYLIST_TYPE)) {
            String playlistTypeString = parseStringAttr(line, REGEX_PLAYLIST_TYPE, variableDefinitions);
            if ("VOD".equals(playlistTypeString)) {
                playlistType = HlsMediaPlaylist.PLAYLIST_TYPE_VOD;
            } else if ("EVENT".equals(playlistTypeString)) {
                playlistType = HlsMediaPlaylist.PLAYLIST_TYPE_EVENT;
            }
        } else if (line.equals(TAG_IFRAME)) {
            isIFrameOnly = true;
        } else if (line.startsWith(TAG_START)) {
            startOffsetUs = (long) (parseDoubleAttr(line, REGEX_TIME_OFFSET) * C.MICROS_PER_SECOND);
            preciseStart = parseOptionalBooleanAttribute(line, REGEX_PRECISE, /* defaultValue= */
            false);
        } else if (line.startsWith(TAG_SERVER_CONTROL)) {
            serverControl = parseServerControl(line);
        } else if (line.startsWith(TAG_PART_INF)) {
            double partTargetDurationSeconds = parseDoubleAttr(line, REGEX_PART_TARGET_DURATION);
            partTargetDurationUs = (long) (partTargetDurationSeconds * C.MICROS_PER_SECOND);
        } else if (line.startsWith(TAG_INIT_SEGMENT)) {
            String uri = parseStringAttr(line, REGEX_URI, variableDefinitions);
            String byteRange = parseOptionalStringAttr(line, REGEX_ATTR_BYTERANGE, variableDefinitions);
            if (byteRange != null) {
                String[] splitByteRange = Util.split(byteRange, "@");
                segmentByteRangeLength = Long.parseLong(splitByteRange[0]);
                if (splitByteRange.length > 1) {
                    segmentByteRangeOffset = Long.parseLong(splitByteRange[1]);
                }
            }
            if (segmentByteRangeLength == C.LENGTH_UNSET) {
                // The segment has no byte range defined.
                segmentByteRangeOffset = 0;
            }
            if (fullSegmentEncryptionKeyUri != null && fullSegmentEncryptionIV == null) {
                // See RFC 8216, Section 4.3.2.5.
                throw ParserException.createForMalformedManifest("The encryption IV attribute must be present when an initialization segment is" + " encrypted with METHOD=AES-128.", /* cause= */
                null);
            }
            initializationSegment = new Segment(uri, segmentByteRangeOffset, segmentByteRangeLength, fullSegmentEncryptionKeyUri, fullSegmentEncryptionIV);
            if (segmentByteRangeLength != C.LENGTH_UNSET) {
                segmentByteRangeOffset += segmentByteRangeLength;
            }
            segmentByteRangeLength = C.LENGTH_UNSET;
        } else if (line.startsWith(TAG_TARGET_DURATION)) {
            targetDurationUs = parseIntAttr(line, REGEX_TARGET_DURATION) * C.MICROS_PER_SECOND;
        } else if (line.startsWith(TAG_MEDIA_SEQUENCE)) {
            mediaSequence = parseLongAttr(line, REGEX_MEDIA_SEQUENCE);
            segmentMediaSequence = mediaSequence;
        } else if (line.startsWith(TAG_VERSION)) {
            version = parseIntAttr(line, REGEX_VERSION);
        } else if (line.startsWith(TAG_DEFINE)) {
            String importName = parseOptionalStringAttr(line, REGEX_IMPORT, variableDefinitions);
            if (importName != null) {
                String value = multivariantPlaylist.variableDefinitions.get(importName);
                if (value != null) {
                    variableDefinitions.put(importName, value);
                } else {
                // The multivariant playlist does not declare the imported variable. Ignore.
                }
            } else {
                variableDefinitions.put(parseStringAttr(line, REGEX_NAME, variableDefinitions), parseStringAttr(line, REGEX_VALUE, variableDefinitions));
            }
        } else if (line.startsWith(TAG_MEDIA_DURATION)) {
            segmentDurationUs = parseTimeSecondsToUs(line, REGEX_MEDIA_DURATION);
            segmentTitle = parseOptionalStringAttr(line, REGEX_MEDIA_TITLE, "", variableDefinitions);
        } else if (line.startsWith(TAG_SKIP)) {
            int skippedSegmentCount = parseIntAttr(line, REGEX_SKIPPED_SEGMENTS);
            checkState(previousMediaPlaylist != null && segments.isEmpty());
            int startIndex = (int) (mediaSequence - castNonNull(previousMediaPlaylist).mediaSequence);
            int endIndex = startIndex + skippedSegmentCount;
            if (startIndex < 0 || endIndex > previousMediaPlaylist.segments.size()) {
                // Throw to force a reload if not all segments are available in the previous playlist.
                throw new DeltaUpdateException();
            }
            for (int i = startIndex; i < endIndex; i++) {
                Segment segment = previousMediaPlaylist.segments.get(i);
                if (mediaSequence != previousMediaPlaylist.mediaSequence) {
                    // If the media sequences of the playlists are not the same, we need to recreate the
                    // object with the updated relative start time and the relative discontinuity
                    // sequence. With identical playlist media sequences these values do not change.
                    int newRelativeDiscontinuitySequence = previousMediaPlaylist.discontinuitySequence - playlistDiscontinuitySequence + segment.relativeDiscontinuitySequence;
                    segment = segment.copyWith(segmentStartTimeUs, newRelativeDiscontinuitySequence);
                }
                segments.add(segment);
                segmentStartTimeUs += segment.durationUs;
                partStartTimeUs = segmentStartTimeUs;
                if (segment.byteRangeLength != C.LENGTH_UNSET) {
                    segmentByteRangeOffset = segment.byteRangeOffset + segment.byteRangeLength;
                }
                relativeDiscontinuitySequence = segment.relativeDiscontinuitySequence;
                initializationSegment = segment.initializationSegment;
                cachedDrmInitData = segment.drmInitData;
                fullSegmentEncryptionKeyUri = segment.fullSegmentEncryptionKeyUri;
                if (segment.encryptionIV == null || !segment.encryptionIV.equals(Long.toHexString(segmentMediaSequence))) {
                    fullSegmentEncryptionIV = segment.encryptionIV;
                }
                segmentMediaSequence++;
            }
        } else if (line.startsWith(TAG_KEY)) {
            String method = parseStringAttr(line, REGEX_METHOD, variableDefinitions);
            String keyFormat = parseOptionalStringAttr(line, REGEX_KEYFORMAT, KEYFORMAT_IDENTITY, variableDefinitions);
            fullSegmentEncryptionKeyUri = null;
            fullSegmentEncryptionIV = null;
            if (METHOD_NONE.equals(method)) {
                currentSchemeDatas.clear();
                cachedDrmInitData = null;
            } else /* !METHOD_NONE.equals(method) */
            {
                fullSegmentEncryptionIV = parseOptionalStringAttr(line, REGEX_IV, variableDefinitions);
                if (KEYFORMAT_IDENTITY.equals(keyFormat)) {
                    if (METHOD_AES_128.equals(method)) {
                        // The segment is fully encrypted using an identity key.
                        fullSegmentEncryptionKeyUri = parseStringAttr(line, REGEX_URI, variableDefinitions);
                    } else {
                    // Do nothing. Samples are encrypted using an identity key, but this is not supported.
                    // Hopefully, a traditional DRM alternative is also provided.
                    }
                } else {
                    if (encryptionScheme == null) {
                        encryptionScheme = parseEncryptionScheme(method);
                    }
                    SchemeData schemeData = parseDrmSchemeData(line, keyFormat, variableDefinitions);
                    if (schemeData != null) {
                        cachedDrmInitData = null;
                        currentSchemeDatas.put(keyFormat, schemeData);
                    }
                }
            }
        } else if (line.startsWith(TAG_BYTERANGE)) {
            String byteRange = parseStringAttr(line, REGEX_BYTERANGE, variableDefinitions);
            String[] splitByteRange = Util.split(byteRange, "@");
            segmentByteRangeLength = Long.parseLong(splitByteRange[0]);
            if (splitByteRange.length > 1) {
                segmentByteRangeOffset = Long.parseLong(splitByteRange[1]);
            }
        } else if (line.startsWith(TAG_DISCONTINUITY_SEQUENCE)) {
            hasDiscontinuitySequence = true;
            playlistDiscontinuitySequence = Integer.parseInt(line.substring(line.indexOf(':') + 1));
        } else if (line.equals(TAG_DISCONTINUITY)) {
            relativeDiscontinuitySequence++;
        } else if (line.startsWith(TAG_PROGRAM_DATE_TIME)) {
            if (playlistStartTimeUs == 0) {
                long programDatetimeUs = Util.msToUs(Util.parseXsDateTime(line.substring(line.indexOf(':') + 1)));
                playlistStartTimeUs = programDatetimeUs - segmentStartTimeUs;
            }
        } else if (line.equals(TAG_GAP)) {
            hasGapTag = true;
        } else if (line.equals(TAG_INDEPENDENT_SEGMENTS)) {
            hasIndependentSegmentsTag = true;
        } else if (line.equals(TAG_ENDLIST)) {
            hasEndTag = true;
        } else if (line.startsWith(TAG_RENDITION_REPORT)) {
            long lastMediaSequence = parseOptionalLongAttr(line, REGEX_LAST_MSN, C.INDEX_UNSET);
            int lastPartIndex = parseOptionalIntAttr(line, REGEX_LAST_PART, C.INDEX_UNSET);
            String uri = parseStringAttr(line, REGEX_URI, variableDefinitions);
            Uri playlistUri = Uri.parse(UriUtil.resolve(baseUri, uri));
            renditionReports.add(new RenditionReport(playlistUri, lastMediaSequence, lastPartIndex));
        } else if (line.startsWith(TAG_PRELOAD_HINT)) {
            if (preloadPart != null) {
                continue;
            }
            String type = parseStringAttr(line, REGEX_PRELOAD_HINT_TYPE, variableDefinitions);
            if (!TYPE_PART.equals(type)) {
                continue;
            }
            String url = parseStringAttr(line, REGEX_URI, variableDefinitions);
            long byteRangeStart = parseOptionalLongAttr(line, REGEX_BYTERANGE_START, /* defaultValue= */
            C.LENGTH_UNSET);
            long byteRangeLength = parseOptionalLongAttr(line, REGEX_BYTERANGE_LENGTH, /* defaultValue= */
            C.LENGTH_UNSET);
            @Nullable String segmentEncryptionIV = getSegmentEncryptionIV(segmentMediaSequence, fullSegmentEncryptionKeyUri, fullSegmentEncryptionIV);
            if (cachedDrmInitData == null && !currentSchemeDatas.isEmpty()) {
                SchemeData[] schemeDatas = currentSchemeDatas.values().toArray(new SchemeData[0]);
                cachedDrmInitData = new DrmInitData(encryptionScheme, schemeDatas);
                if (playlistProtectionSchemes == null) {
                    playlistProtectionSchemes = getPlaylistProtectionSchemes(encryptionScheme, schemeDatas);
                }
            }
            if (byteRangeStart == C.LENGTH_UNSET || byteRangeLength != C.LENGTH_UNSET) {
                // Skip preload part if it is an unbounded range request.
                preloadPart = new Part(url, initializationSegment, /* durationUs= */
                0, relativeDiscontinuitySequence, partStartTimeUs, cachedDrmInitData, fullSegmentEncryptionKeyUri, segmentEncryptionIV, byteRangeStart != C.LENGTH_UNSET ? byteRangeStart : 0, byteRangeLength, /* hasGapTag= */
                false, /* isIndependent= */
                false, /* isPreload= */
                true);
            }
        } else if (line.startsWith(TAG_PART)) {
            @Nullable String segmentEncryptionIV = getSegmentEncryptionIV(segmentMediaSequence, fullSegmentEncryptionKeyUri, fullSegmentEncryptionIV);
            String url = parseStringAttr(line, REGEX_URI, variableDefinitions);
            long partDurationUs = (long) (parseDoubleAttr(line, REGEX_ATTR_DURATION) * C.MICROS_PER_SECOND);
            boolean isIndependent = parseOptionalBooleanAttribute(line, REGEX_INDEPENDENT, /* defaultValue= */
            false);
            // The first part of a segment is always independent if the segments are independent.
            isIndependent |= hasIndependentSegmentsTag && trailingParts.isEmpty();
            boolean isGap = parseOptionalBooleanAttribute(line, REGEX_GAP, /* defaultValue= */
            false);
            @Nullable String byteRange = parseOptionalStringAttr(line, REGEX_ATTR_BYTERANGE, variableDefinitions);
            long partByteRangeLength = C.LENGTH_UNSET;
            if (byteRange != null) {
                String[] splitByteRange = Util.split(byteRange, "@");
                partByteRangeLength = Long.parseLong(splitByteRange[0]);
                if (splitByteRange.length > 1) {
                    partByteRangeOffset = Long.parseLong(splitByteRange[1]);
                }
            }
            if (partByteRangeLength == C.LENGTH_UNSET) {
                partByteRangeOffset = 0;
            }
            if (cachedDrmInitData == null && !currentSchemeDatas.isEmpty()) {
                SchemeData[] schemeDatas = currentSchemeDatas.values().toArray(new SchemeData[0]);
                cachedDrmInitData = new DrmInitData(encryptionScheme, schemeDatas);
                if (playlistProtectionSchemes == null) {
                    playlistProtectionSchemes = getPlaylistProtectionSchemes(encryptionScheme, schemeDatas);
                }
            }
            trailingParts.add(new Part(url, initializationSegment, partDurationUs, relativeDiscontinuitySequence, partStartTimeUs, cachedDrmInitData, fullSegmentEncryptionKeyUri, segmentEncryptionIV, partByteRangeOffset, partByteRangeLength, isGap, isIndependent, /* isPreload= */
            false));
            partStartTimeUs += partDurationUs;
            if (partByteRangeLength != C.LENGTH_UNSET) {
                partByteRangeOffset += partByteRangeLength;
            }
        } else if (!line.startsWith("#")) {
            @Nullable String segmentEncryptionIV = getSegmentEncryptionIV(segmentMediaSequence, fullSegmentEncryptionKeyUri, fullSegmentEncryptionIV);
            segmentMediaSequence++;
            String segmentUri = replaceVariableReferences(line, variableDefinitions);
            @Nullable Segment inferredInitSegment = urlToInferredInitSegment.get(segmentUri);
            if (segmentByteRangeLength == C.LENGTH_UNSET) {
                // The segment has no byte range defined.
                segmentByteRangeOffset = 0;
            } else if (isIFrameOnly && initializationSegment == null && inferredInitSegment == null) {
                // The segment is a resource byte range without an initialization segment.
                // As per RFC 8216, Section 4.3.3.6, we assume the initialization section exists in the
                // bytes preceding the first segment in this segment's URL.
                // We assume the implicit initialization segment is unencrypted, since there's no way for
                // the playlist to provide an initialization vector for it.
                inferredInitSegment = new Segment(segmentUri, /* byteRangeOffset= */
                0, segmentByteRangeOffset, /* fullSegmentEncryptionKeyUri= */
                null, /* encryptionIV= */
                null);
                urlToInferredInitSegment.put(segmentUri, inferredInitSegment);
            }
            if (cachedDrmInitData == null && !currentSchemeDatas.isEmpty()) {
                SchemeData[] schemeDatas = currentSchemeDatas.values().toArray(new SchemeData[0]);
                cachedDrmInitData = new DrmInitData(encryptionScheme, schemeDatas);
                if (playlistProtectionSchemes == null) {
                    playlistProtectionSchemes = getPlaylistProtectionSchemes(encryptionScheme, schemeDatas);
                }
            }
            segments.add(new Segment(segmentUri, initializationSegment != null ? initializationSegment : inferredInitSegment, segmentTitle, segmentDurationUs, relativeDiscontinuitySequence, segmentStartTimeUs, cachedDrmInitData, fullSegmentEncryptionKeyUri, segmentEncryptionIV, segmentByteRangeOffset, segmentByteRangeLength, hasGapTag, trailingParts));
            segmentStartTimeUs += segmentDurationUs;
            partStartTimeUs = segmentStartTimeUs;
            segmentDurationUs = 0;
            segmentTitle = "";
            trailingParts = new ArrayList<>();
            if (segmentByteRangeLength != C.LENGTH_UNSET) {
                segmentByteRangeOffset += segmentByteRangeLength;
            }
            segmentByteRangeLength = C.LENGTH_UNSET;
            hasGapTag = false;
        }
    }
    Map<Uri, RenditionReport> renditionReportMap = new HashMap<>();
    for (int i = 0; i < renditionReports.size(); i++) {
        RenditionReport renditionReport = renditionReports.get(i);
        long lastMediaSequence = renditionReport.lastMediaSequence;
        if (lastMediaSequence == C.INDEX_UNSET) {
            lastMediaSequence = mediaSequence + segments.size() - (trailingParts.isEmpty() ? 1 : 0);
        }
        int lastPartIndex = renditionReport.lastPartIndex;
        if (lastPartIndex == C.INDEX_UNSET && partTargetDurationUs != C.TIME_UNSET) {
            List<Part> lastParts = trailingParts.isEmpty() ? Iterables.getLast(segments).parts : trailingParts;
            lastPartIndex = lastParts.size() - 1;
        }
        renditionReportMap.put(renditionReport.playlistUri, new RenditionReport(renditionReport.playlistUri, lastMediaSequence, lastPartIndex));
    }
    if (preloadPart != null) {
        trailingParts.add(preloadPart);
    }
    return new HlsMediaPlaylist(playlistType, baseUri, tags, startOffsetUs, preciseStart, playlistStartTimeUs, hasDiscontinuitySequence, playlistDiscontinuitySequence, mediaSequence, version, targetDurationUs, partTargetDurationUs, hasIndependentSegmentsTag, hasEndTag, /* hasProgramDateTime= */
    playlistStartTimeUs != 0, playlistProtectionSchemes, segments, trailingParts, serverControl, renditionReportMap);
}