212 lines
7.7 KiB
Java
212 lines
7.7 KiB
Java
package org.schabi.newpipe.extractor.services.media_ccc.extractors;
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import static org.schabi.newpipe.extractor.stream.AudioStream.UNKNOWN_BITRATE;
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import static org.schabi.newpipe.extractor.stream.Stream.ID_UNKNOWN;
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import com.grack.nanojson.JsonArray;
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import com.grack.nanojson.JsonObject;
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import com.grack.nanojson.JsonParser;
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import com.grack.nanojson.JsonParserException;
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import org.schabi.newpipe.extractor.MediaFormat;
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import org.schabi.newpipe.extractor.StreamingService;
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import org.schabi.newpipe.extractor.downloader.Downloader;
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import org.schabi.newpipe.extractor.exceptions.ExtractionException;
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import org.schabi.newpipe.extractor.exceptions.ParsingException;
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import org.schabi.newpipe.extractor.linkhandler.LinkHandler;
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import org.schabi.newpipe.extractor.localization.DateWrapper;
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import org.schabi.newpipe.extractor.localization.Localization;
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import org.schabi.newpipe.extractor.services.media_ccc.linkHandler.MediaCCCConferenceLinkHandlerFactory;
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import org.schabi.newpipe.extractor.services.media_ccc.linkHandler.MediaCCCStreamLinkHandlerFactory;
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import org.schabi.newpipe.extractor.stream.AudioStream;
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import org.schabi.newpipe.extractor.stream.Description;
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import org.schabi.newpipe.extractor.stream.StreamExtractor;
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import org.schabi.newpipe.extractor.stream.StreamType;
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import org.schabi.newpipe.extractor.stream.VideoStream;
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import org.schabi.newpipe.extractor.utils.JsonUtils;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Locale;
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import javax.annotation.Nonnull;
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public class MediaCCCStreamExtractor extends StreamExtractor {
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private JsonObject data;
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private JsonObject conferenceData;
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public MediaCCCStreamExtractor(final StreamingService service, final LinkHandler linkHandler) {
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super(service, linkHandler);
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}
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@Nonnull
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@Override
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public String getTextualUploadDate() {
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return data.getString("release_date");
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}
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@Nonnull
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@Override
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public DateWrapper getUploadDate() throws ParsingException {
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return new DateWrapper(MediaCCCParsingHelper.parseDateFrom(getTextualUploadDate()));
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}
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@Nonnull
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@Override
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public String getThumbnailUrl() {
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return data.getString("thumb_url");
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}
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@Nonnull
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@Override
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public Description getDescription() {
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return new Description(data.getString("description"), Description.PLAIN_TEXT);
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}
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@Override
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public long getLength() {
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return data.getInt("length");
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}
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@Override
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public long getViewCount() {
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return data.getInt("view_count");
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}
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@Nonnull
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@Override
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public String getUploaderUrl() {
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return MediaCCCConferenceLinkHandlerFactory.CONFERENCE_PATH + getUploaderName();
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}
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@Nonnull
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@Override
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public String getUploaderName() {
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return data.getString("conference_url")
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.replaceFirst("https://(api\\.)?media\\.ccc\\.de/public/conferences/", "");
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}
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@Nonnull
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@Override
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public String getUploaderAvatarUrl() {
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return conferenceData.getString("logo_url");
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}
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@Override
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public List<AudioStream> getAudioStreams() throws ExtractionException {
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final JsonArray recordings = data.getArray("recordings");
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final List<AudioStream> audioStreams = new ArrayList<>();
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for (int i = 0; i < recordings.size(); i++) {
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final JsonObject recording = recordings.getObject(i);
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final String mimeType = recording.getString("mime_type");
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if (mimeType.startsWith("audio")) {
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// First we need to resolve the actual video data from the CDN
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final MediaFormat mediaFormat;
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if (mimeType.endsWith("opus")) {
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mediaFormat = MediaFormat.OPUS;
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} else if (mimeType.endsWith("mpeg")) {
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mediaFormat = MediaFormat.MP3;
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} else if (mimeType.endsWith("ogg")) {
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mediaFormat = MediaFormat.OGG;
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} else {
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mediaFormat = null;
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}
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// Not checking containsSimilarStream here, since MediaCCC does not provide enough
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// information to decide whether two streams are similar. Hence that method would
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// always return false, e.g. even for different language variations.
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audioStreams.add(new AudioStream.Builder()
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.setId(recording.getString("filename", ID_UNKNOWN))
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.setContent(recording.getString("recording_url"), true)
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.setMediaFormat(mediaFormat)
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.setAverageBitrate(UNKNOWN_BITRATE)
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.build());
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}
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}
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return audioStreams;
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}
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@Override
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public List<VideoStream> getVideoStreams() throws ExtractionException {
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final JsonArray recordings = data.getArray("recordings");
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final List<VideoStream> videoStreams = new ArrayList<>();
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for (int i = 0; i < recordings.size(); i++) {
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final JsonObject recording = recordings.getObject(i);
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final String mimeType = recording.getString("mime_type");
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if (mimeType.startsWith("video")) {
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// First we need to resolve the actual video data from the CDN
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final MediaFormat mediaFormat;
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if (mimeType.endsWith("webm")) {
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mediaFormat = MediaFormat.WEBM;
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} else if (mimeType.endsWith("mp4")) {
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mediaFormat = MediaFormat.MPEG_4;
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} else {
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mediaFormat = null;
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}
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// Not checking containsSimilarStream here, since MediaCCC does not provide enough
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// information to decide whether two streams are similar. Hence that method would
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// always return false, e.g. even for different language variations.
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videoStreams.add(new VideoStream.Builder()
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.setId(recording.getString("filename", ID_UNKNOWN))
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.setContent(recording.getString("recording_url"), true)
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.setIsVideoOnly(false)
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.setMediaFormat(mediaFormat)
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.setResolution(recording.getInt("height") + "p")
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.build());
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}
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}
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return videoStreams;
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}
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@Override
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public List<VideoStream> getVideoOnlyStreams() {
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return Collections.emptyList();
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}
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@Override
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public StreamType getStreamType() {
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return StreamType.VIDEO_STREAM;
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}
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@Override
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public void onFetchPage(@Nonnull final Downloader downloader)
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throws IOException, ExtractionException {
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final String videoUrl = MediaCCCStreamLinkHandlerFactory.VIDEO_API_ENDPOINT + getId();
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try {
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data = JsonParser.object().from(downloader.get(videoUrl).responseBody());
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conferenceData = JsonParser.object()
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.from(downloader.get(data.getString("conference_url")).responseBody());
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} catch (final JsonParserException jpe) {
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throw new ExtractionException("Could not parse json returned by URL: " + videoUrl,
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jpe);
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}
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}
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@Nonnull
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@Override
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public String getName() throws ParsingException {
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return data.getString("title");
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}
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@Nonnull
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@Override
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public String getOriginalUrl() {
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return data.getString("frontend_link");
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}
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@Override
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public Locale getLanguageInfo() throws ParsingException {
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return Localization.getLocaleFromThreeLetterCode(data.getString("original_language"));
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}
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@Nonnull
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@Override
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public List<String> getTags() {
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return JsonUtils.getStringListFromJsonArray(data.getArray("tags"));
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}
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}
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