[YouTube] Make exception messages smaller
This commit is contained in:
Stypox
TiA4f8R
parent
4da05afe11
commit
00bbe5eb4d
1 changed files with 94 additions and 175 deletions
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@ -52,23 +52,6 @@ import javax.xml.transform.stream.StreamResult;
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*/
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public final class YoutubeDashManifestCreator {
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/**
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* URL parameter of the first sequence for live, post-live-DVR and OTF streams.
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*/
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private static final String SQ_0 = "&sq=0";
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/**
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* URL parameter of the first stream request made by official clients.
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*/
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private static final String RN_0 = "&rn=0";
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/**
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* URL parameter specific to web clients. When this param is added, if a redirection occurs,
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* the server will not redirect clients to the redirect URL. Instead, it will provide this URL
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* as the response body.
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*/
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private static final String ALR_YES = "&alr=yes";
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/**
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* The redirect count limit that this class uses, which is the same limit as OkHttp.
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*/
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@ -92,6 +75,28 @@ public final class YoutubeDashManifestCreator {
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private static final ManifestCreatorCache<String, String> PROGRESSIVE_CACHE
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= new ManifestCreatorCache<>();
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/**
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* URL parameter of the first sequence for live, post-live-DVR and OTF streams.
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*/
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private static final String SQ_0 = "&sq=0";
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/**
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* URL parameter of the first stream request made by official clients.
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*/
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private static final String RN_0 = "&rn=0";
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/**
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* URL parameter specific to web clients. When this param is added, if a redirection occurs,
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* the server will not redirect clients to the redirect URL. Instead, it will provide this URL
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* as the response body.
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*/
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private static final String ALR_YES = "&alr=yes";
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public static final String SEGMENT_TIMELINE = "SegmentTimeline";
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public static final String ADAPTATION_SET = "AdaptationSet";
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public static final String REPRESENTATION = "Representation";
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/**
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* Enum of streaming format types used by YouTube in their streams.
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*/
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@ -360,8 +365,7 @@ public final class YoutubeDashManifestCreator {
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if (targetDurationSec <= 0) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: the targetDurationSec value is less "
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+ "than or equal to 0 (" + targetDurationSec + ")");
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"targetDurationSec value is <= 0: " + targetDurationSec);
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}
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try {
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@ -374,26 +378,22 @@ public final class YoutubeDashManifestCreator {
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final int responseCode = response.responseCode();
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if (responseCode != 200) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: could not get the initialization "
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+ "segment of the post-live-DVR stream: response code "
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+ responseCode);
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throw new YoutubeDashManifestCreationException("Could not get the initialization "
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+ "segment of the post-live-DVR stream: response code " + responseCode);
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}
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final Map<String, List<String>> responseHeaders = response.responseHeaders();
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streamDuration = responseHeaders.get("X-Head-Time-Millis").get(0);
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segmentCount = responseHeaders.get("X-Head-Seqnum").get(0);
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} catch (final IndexOutOfBoundsException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: could not get the value of the "
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throw new YoutubeDashManifestCreationException("Could not get the value of the "
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+ "X-Head-Time-Millis or the X-Head-Seqnum header of the post-live-DVR"
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+ "streaming URL", e);
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}
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if (isNullOrEmpty(segmentCount)) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: could not get the number of segments of"
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+ "the post-live-DVR stream");
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throw new YoutubeDashManifestCreationException("Could not get the number of segments "
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+ "of the post-live-DVR stream");
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}
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final Document document = generateDocumentAndMpdElement(new String[] {streamDuration},
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@ -481,12 +481,6 @@ public final class YoutubeDashManifestCreator {
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.getSecond();
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}
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if (durationSecondsFallback <= 0) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: the durationSecondsFallback value is"
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+ "less than or equal to 0 (" + durationSecondsFallback + ")");
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}
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final Document document = generateDocumentAndMpdElement(new String[]{},
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DeliveryType.PROGRESSIVE, itagItem, durationSecondsFallback);
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generatePeriodElement(document);
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@ -555,19 +549,16 @@ public final class YoutubeDashManifestCreator {
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final byte[] emptyBody = "".getBytes(StandardCharsets.UTF_8);
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return downloader.post(baseStreamingUrl, headers, emptyBody);
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} catch (final IOException | ExtractionException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: error when trying to get the "
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+ (isAnIosStreamingUrl ? "ANDROID" : "IOS")
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+ " streaming URL response", e);
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throw new YoutubeDashManifestCreationException("Could not get the "
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+ (isAnIosStreamingUrl ? "ANDROID" : "IOS") + " streaming URL response", e);
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}
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}
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try {
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return downloader.get(baseStreamingUrl);
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} catch (final IOException | ExtractionException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: error when trying to get the streaming "
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+ "URL response", e);
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throw new YoutubeDashManifestCreationException("Could not get the streaming URL "
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+ "response", e);
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}
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}
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@ -640,33 +631,15 @@ public final class YoutubeDashManifestCreator {
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final int responseCode = response.responseCode();
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if (responseCode != 200) {
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if (deliveryType == DeliveryType.LIVE) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: could not get the "
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+ "initialization URL of the post-live-DVR stream: "
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+ "response code " + responseCode);
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} else if (deliveryType == DeliveryType.OTF) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: could not get the "
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+ "initialization URL of the OTF stream: response code "
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+ responseCode);
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} else {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: could not fetch the URL of "
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+ "the progressive stream: response code " + responseCode);
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}
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throw new YoutubeDashManifestCreationException("Could not get the "
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+ "initialization URL of the " + deliveryType
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+ " stream: response code " + responseCode);
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}
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// A valid response must include a Content-Type header, so we can require that
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// the response from video servers has this header.
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try {
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responseMimeType = Objects.requireNonNull(response.getHeader(
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"Content-Type"));
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} catch (final NullPointerException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: could not get the Content-Type "
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+ "header from the streaming URL", e);
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}
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responseMimeType = Objects.requireNonNull(response.getHeader("Content-Type"),
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"Could not get the Content-Type header from the streaming URL");
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// The response body is the redirection URL
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if (responseMimeType.equals("text/plain")) {
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@ -679,19 +652,16 @@ public final class YoutubeDashManifestCreator {
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if (redirectsCount >= MAXIMUM_REDIRECT_COUNT) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: too many redirects when trying to "
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+ "get the WEB streaming URL response");
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"Too many redirects when trying to get the WEB streaming URL response");
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}
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// This should never be reached, but is required because we don't want to return null
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// here
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: error when trying to get the WEB "
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+ "streaming URL response");
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"Could not get the WEB streaming URL response: unreachable code reached!");
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} catch (final IOException | ExtractionException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: error when trying to get the WEB "
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+ "streaming URL response", e);
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"Could not get the WEB streaming URL response", e);
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}
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}
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@ -724,8 +694,7 @@ public final class YoutubeDashManifestCreator {
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}
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return streamLengthMs;
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} catch (final NumberFormatException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: unable to get the length of the stream",
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throw new YoutubeDashManifestCreationException("Unable to get the length of the stream",
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e);
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}
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}
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@ -813,11 +782,9 @@ public final class YoutubeDashManifestCreator {
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if (durationSecondsFallback > 0) {
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streamDuration = durationSecondsFallback * 1000;
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} else {
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throw new YoutubeDashManifestCreationException(
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"Could not generate or append the MPD element of the DASH "
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+ "manifest to the document: the duration of the stream "
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+ "could not be determined and the "
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+ "durationSecondsFallback is less than or equal to 0");
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throw new YoutubeDashManifestCreationException("Could not add MPD element: "
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+ "the duration of the stream could not be determined and the "
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+ "durationSecondsFallback is <= 0");
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}
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}
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}
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@ -828,9 +795,7 @@ public final class YoutubeDashManifestCreator {
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return document;
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} catch (final Exception e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate or append the MPD element of the DASH manifest to the "
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+ "document", e);
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throw new YoutubeDashManifestCreationException("Could not add MPD element", e);
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}
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}
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@ -852,9 +817,7 @@ public final class YoutubeDashManifestCreator {
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final Element periodElement = document.createElement("Period");
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mpdElement.appendChild(periodElement);
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} catch (final DOMException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate or append the Period element of the DASH manifest to the "
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+ "document", e);
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throw new YoutubeDashManifestCreationException("Could not add Period element", e);
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}
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}
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@ -876,7 +839,7 @@ public final class YoutubeDashManifestCreator {
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try {
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final Element periodElement = (Element) document.getElementsByTagName("Period")
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.item(0);
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final Element adaptationSetElement = document.createElement("AdaptationSet");
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final Element adaptationSetElement = document.createElement(ADAPTATION_SET);
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final Attr idAttribute = document.createAttribute("id");
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idAttribute.setValue("0");
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@ -884,10 +847,8 @@ public final class YoutubeDashManifestCreator {
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final MediaFormat mediaFormat = itagItem.getMediaFormat();
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if (mediaFormat == null || isNullOrEmpty(mediaFormat.mimeType)) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the AdaptationSet element of the DASH manifest to the "
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+ "document: the MediaFormat or the mime type of the MediaFormat "
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+ "of the ItagItem is null or empty");
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throw new YoutubeDashManifestCreationException("Could not add AdaptationSet "
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+ "element: the MediaFormat or its mime type are null or empty");
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}
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final Attr mimeTypeAttribute = document.createAttribute("mimeType");
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@ -901,9 +862,8 @@ public final class YoutubeDashManifestCreator {
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periodElement.appendChild(adaptationSetElement);
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} catch (final DOMException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate or append the AdaptationSet element of the DASH manifest "
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+ "to the document", e);
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throw new YoutubeDashManifestCreationException("Could not add AdaptationSet element",
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e);
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}
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}
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@ -931,7 +891,7 @@ public final class YoutubeDashManifestCreator {
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throws YoutubeDashManifestCreationException {
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try {
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final Element adaptationSetElement = (Element) document.getElementsByTagName(
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"AdaptationSet").item(0);
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ADAPTATION_SET).item(0);
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final Element roleElement = document.createElement("Role");
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final Attr schemeIdUriAttribute = document.createAttribute("schemeIdUri");
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@ -944,9 +904,7 @@ public final class YoutubeDashManifestCreator {
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adaptationSetElement.appendChild(roleElement);
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} catch (final DOMException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate or append the Role element of the DASH manifest to the "
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+ "document", e);
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throw new YoutubeDashManifestCreationException("Could not add Role element", e);
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}
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}
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@ -968,15 +926,13 @@ public final class YoutubeDashManifestCreator {
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throws YoutubeDashManifestCreationException {
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try {
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final Element adaptationSetElement = (Element) document.getElementsByTagName(
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"AdaptationSet").item(0);
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final Element representationElement = document.createElement("Representation");
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ADAPTATION_SET).item(0);
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final Element representationElement = document.createElement(REPRESENTATION);
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final int id = itagItem.id;
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if (id <= 0) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the Representation element of the DASH manifest to "
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+ "the document: the id of the ItagItem is less than or equal to "
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+ "0");
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throw new YoutubeDashManifestCreationException("Could not add Representation "
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+ "element: the id of the ItagItem is <= 0");
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}
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final Attr idAttribute = document.createAttribute("id");
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idAttribute.setValue(String.valueOf(id));
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@ -984,9 +940,8 @@ public final class YoutubeDashManifestCreator {
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final String codec = itagItem.getCodec();
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if (isNullOrEmpty(codec)) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the AdaptationSet element of the DASH manifest to the "
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+ "document: the codec value is null or empty");
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throw new YoutubeDashManifestCreationException("Could not add AdaptationSet "
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+ "element: the codec value is null or empty");
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}
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final Attr codecsAttribute = document.createAttribute("codecs");
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codecsAttribute.setValue(codec);
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@ -1002,10 +957,8 @@ public final class YoutubeDashManifestCreator {
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final int bitrate = itagItem.getBitrate();
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if (bitrate <= 0) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the Representation element of the DASH manifest to "
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+ "the document: the bitrate of the ItagItem is less than or "
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+ "equal to 0");
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throw new YoutubeDashManifestCreationException("Could not add Representation "
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+ "element: the bitrate of the ItagItem is <= 0");
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}
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final Attr bandwidthAttribute = document.createAttribute("bandwidth");
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bandwidthAttribute.setValue(String.valueOf(bitrate));
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@ -1017,10 +970,8 @@ public final class YoutubeDashManifestCreator {
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final int height = itagItem.getHeight();
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final int width = itagItem.getWidth();
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if (height <= 0 && width <= 0) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the Representation element of the DASH manifest "
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+ "to the document: the width and the height of the ItagItem "
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+ "are less than or equal to 0");
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throw new YoutubeDashManifestCreationException("Could not add Representation "
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+ "element: both width and height of the ItagItem are <= 0");
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}
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if (width > 0) {
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@ -1049,9 +1000,8 @@ public final class YoutubeDashManifestCreator {
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adaptationSetElement.appendChild(representationElement);
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} catch (final DOMException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate or append the Representation element of the DASH manifest "
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+ "to the document", e);
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throw new YoutubeDashManifestCreationException("Could not add Representation element",
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e);
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}
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}
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@ -1088,7 +1038,7 @@ public final class YoutubeDashManifestCreator {
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@Nonnull final ItagItem itagItem) throws YoutubeDashManifestCreationException {
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try {
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final Element representationElement = (Element) document.getElementsByTagName(
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"Representation").item(0);
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REPRESENTATION).item(0);
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final Element audioChannelConfigurationElement = document.createElement(
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"AudioChannelConfiguration");
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@ -1101,8 +1051,7 @@ public final class YoutubeDashManifestCreator {
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final int audioChannels = itagItem.getAudioChannels();
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if (audioChannels <= 0) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate the DASH manifest: the audioChannels value is less "
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+ "than or equal to 0 (" + audioChannels + ")");
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"audioChannels is <= 0: " + audioChannels);
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}
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valueAttribute.setValue(String.valueOf(itagItem.getAudioChannels()));
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audioChannelConfigurationElement.setAttributeNode(valueAttribute);
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@ -1110,8 +1059,7 @@ public final class YoutubeDashManifestCreator {
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representationElement.appendChild(audioChannelConfigurationElement);
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} catch (final DOMException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate or append the AudioChannelConfiguration element of the "
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+ "DASH manifest to the document", e);
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"Could not add AudioChannelConfiguration element", e);
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}
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}
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@ -1138,14 +1086,12 @@ public final class YoutubeDashManifestCreator {
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throws YoutubeDashManifestCreationException {
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try {
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final Element representationElement = (Element) document.getElementsByTagName(
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"Representation").item(0);
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REPRESENTATION).item(0);
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final Element baseURLElement = document.createElement("BaseURL");
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baseURLElement.setTextContent(baseUrl);
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representationElement.appendChild(baseURLElement);
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} catch (final DOMException e) {
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throw new YoutubeDashManifestCreationException(
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"Could not generate or append the BaseURL element of the DASH manifest to the "
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+ "document", e);
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throw new YoutubeDashManifestCreationException("Could not add BaseURL element", e);
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}
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}
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@ -1180,33 +1126,22 @@ public final class YoutubeDashManifestCreator {
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throws YoutubeDashManifestCreationException {
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try {
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final Element representationElement = (Element) document.getElementsByTagName(
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"Representation").item(0);
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REPRESENTATION).item(0);
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final Element segmentBaseElement = document.createElement("SegmentBase");
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final Attr indexRangeAttribute = document.createAttribute("indexRange");
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final int indexStart = itagItem.getIndexStart();
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if (indexStart < 0) {
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throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate the DASH manifest: the indexStart value of the "
|
||||
+ "ItagItem is less than to 0 (" + indexStart + ")");
|
||||
}
|
||||
final int indexEnd = itagItem.getIndexEnd();
|
||||
if (indexEnd < 0) {
|
||||
throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate the DASH manifest: the indexEnd value of the ItagItem "
|
||||
+ "is less than to 0 (" + indexStart + ")");
|
||||
if (itagItem.getIndexStart() < 0 || itagItem.getIndexEnd() < 0) {
|
||||
throw new YoutubeDashManifestCreationException("ItagItem's indexStart or indexEnd "
|
||||
+ "are < 0: " + itagItem.getIndexStart() + "-" + itagItem.getIndexEnd());
|
||||
}
|
||||
|
||||
indexRangeAttribute.setValue(indexStart + "-" + indexEnd);
|
||||
indexRangeAttribute.setValue(itagItem.getIndexStart() + "-" + itagItem.getIndexEnd());
|
||||
segmentBaseElement.setAttributeNode(indexRangeAttribute);
|
||||
|
||||
representationElement.appendChild(segmentBaseElement);
|
||||
} catch (final DOMException e) {
|
||||
throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate or append the SegmentBase element of the DASH manifest to "
|
||||
+ "the document", e);
|
||||
throw new YoutubeDashManifestCreationException("Could not add SegmentBase element", e);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1244,30 +1179,20 @@ public final class YoutubeDashManifestCreator {
|
|||
"SegmentBase").item(0);
|
||||
|
||||
final Element initializationElement = document.createElement("Initialization");
|
||||
|
||||
final Attr rangeAttribute = document.createAttribute("range");
|
||||
|
||||
final int initStart = itagItem.getInitStart();
|
||||
if (initStart < 0) {
|
||||
throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate the DASH manifest: the initStart value of the "
|
||||
+ "ItagItem is less than to 0 (" + initStart + ")");
|
||||
}
|
||||
final int initEnd = itagItem.getInitEnd();
|
||||
if (initEnd < 0) {
|
||||
throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate the DASH manifest: the initEnd value of the ItagItem "
|
||||
+ "is less than to 0 (" + initEnd + ")");
|
||||
if (itagItem.getInitStart() < 0 || itagItem.getInitEnd() < 0) {
|
||||
throw new YoutubeDashManifestCreationException("ItagItem's initStart or initEnd "
|
||||
+ "are < 0: " + itagItem.getInitStart() + "-" + itagItem.getInitEnd());
|
||||
}
|
||||
|
||||
rangeAttribute.setValue(initStart + "-" + initEnd);
|
||||
rangeAttribute.setValue(itagItem.getInitStart() + "-" + itagItem.getInitEnd());
|
||||
initializationElement.setAttributeNode(rangeAttribute);
|
||||
|
||||
segmentBaseElement.appendChild(initializationElement);
|
||||
} catch (final DOMException e) {
|
||||
throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate or append the Initialization element of the DASH manifest "
|
||||
+ "to the document", e);
|
||||
throw new YoutubeDashManifestCreationException("Could not add Initialization element",
|
||||
e);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1308,7 +1233,7 @@ public final class YoutubeDashManifestCreator {
|
|||
throws YoutubeDashManifestCreationException {
|
||||
try {
|
||||
final Element representationElement = (Element) document.getElementsByTagName(
|
||||
"Representation").item(0);
|
||||
REPRESENTATION).item(0);
|
||||
final Element segmentTemplateElement = document.createElement("SegmentTemplate");
|
||||
|
||||
final Attr startNumberAttribute = document.createAttribute("startNumber");
|
||||
|
|
@ -1336,9 +1261,8 @@ public final class YoutubeDashManifestCreator {
|
|||
|
||||
representationElement.appendChild(segmentTemplateElement);
|
||||
} catch (final DOMException e) {
|
||||
throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate or append the SegmentTemplate element of the DASH "
|
||||
+ "manifest to the document", e);
|
||||
throw new YoutubeDashManifestCreationException("Could not add SegmentTemplate element",
|
||||
e);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1359,13 +1283,12 @@ public final class YoutubeDashManifestCreator {
|
|||
try {
|
||||
final Element segmentTemplateElement = (Element) document.getElementsByTagName(
|
||||
"SegmentTemplate").item(0);
|
||||
final Element segmentTimelineElement = document.createElement("SegmentTimeline");
|
||||
final Element segmentTimelineElement = document.createElement(SEGMENT_TIMELINE);
|
||||
|
||||
segmentTemplateElement.appendChild(segmentTimelineElement);
|
||||
} catch (final DOMException e) {
|
||||
throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate or append the SegmentTimeline element of the DASH "
|
||||
+ "manifest to the document", e);
|
||||
throw new YoutubeDashManifestCreationException("Could not add SegmentTimeline element",
|
||||
e);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1405,7 +1328,7 @@ public final class YoutubeDashManifestCreator {
|
|||
|
||||
try {
|
||||
final Element segmentTimelineElement = (Element) document.getElementsByTagName(
|
||||
"SegmentTimeline").item(0);
|
||||
SEGMENT_TIMELINE).item(0);
|
||||
|
||||
for (final String segmentDuration : segmentDurations) {
|
||||
final Element sElement = document.createElement("S");
|
||||
|
|
@ -1432,9 +1355,7 @@ public final class YoutubeDashManifestCreator {
|
|||
|
||||
} catch (final DOMException | IllegalStateException | IndexOutOfBoundsException
|
||||
| NumberFormatException e) {
|
||||
throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate or append the segment (S) elements of the DASH manifest "
|
||||
+ "to the document", e);
|
||||
throw new YoutubeDashManifestCreationException("Could not add segment (S) elements", e);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1462,7 +1383,7 @@ public final class YoutubeDashManifestCreator {
|
|||
@Nonnull final String segmentCount) throws YoutubeDashManifestCreationException {
|
||||
try {
|
||||
final Element segmentTimelineElement = (Element) document.getElementsByTagName(
|
||||
"SegmentTimeline").item(0);
|
||||
SEGMENT_TIMELINE).item(0);
|
||||
final Element sElement = document.createElement("S");
|
||||
|
||||
final Attr dAttribute = document.createAttribute("d");
|
||||
|
|
@ -1475,9 +1396,7 @@ public final class YoutubeDashManifestCreator {
|
|||
|
||||
segmentTimelineElement.appendChild(sElement);
|
||||
} catch (final DOMException e) {
|
||||
throw new YoutubeDashManifestCreationException(
|
||||
"Could not generate or append the segment (S) elements of the DASH manifest "
|
||||
+ "to the document", e);
|
||||
throw new YoutubeDashManifestCreationException("Could not add segment (S) elements", e);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue