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Support negative value of the @r attrbute of S in SegmentTimeline element

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sr1990 2019-08-12 18:18:12 -07:00 committed by Toni
parent b57c556194
commit b4a1d55fe4
1 changed files with 22 additions and 12 deletions
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34
library/dash/src/main/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParser.java
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@ -237,7 +237,7 @@ public class DashManifestParser extends DefaultHandler
seenFirstBaseUrl = true; seenFirstBaseUrl = true;
} }
} else if (XmlPullParserUtil.isStartTag(xpp, "AdaptationSet")) { } else if (XmlPullParserUtil.isStartTag(xpp, "AdaptationSet")) {
adaptationSets.add(parseAdaptationSet(xpp, baseUrl, segmentBase)); adaptationSets.add(parseAdaptationSet(xpp, baseUrl, segmentBase, durationMs));
} else if (XmlPullParserUtil.isStartTag(xpp, "EventStream")) { } else if (XmlPullParserUtil.isStartTag(xpp, "EventStream")) {
eventStreams.add(parseEventStream(xpp)); eventStreams.add(parseEventStream(xpp));
} else if (XmlPullParserUtil.isStartTag(xpp, "SegmentBase")) { } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentBase")) {
@ -245,7 +245,7 @@ public class DashManifestParser extends DefaultHandler
} else if (XmlPullParserUtil.isStartTag(xpp, "SegmentList")) { } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentList")) {
segmentBase = parseSegmentList(xpp, null); segmentBase = parseSegmentList(xpp, null);
} else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) { } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) {
segmentBase = parseSegmentTemplate(xpp, null, Collections.emptyList()); segmentBase = parseSegmentTemplate(xpp, null, Collections.emptyList(), durationMs);
} else { } else {
maybeSkipTag(xpp); maybeSkipTag(xpp);
} }
@ -262,7 +262,7 @@ public class DashManifestParser extends DefaultHandler
// AdaptationSet parsing. // AdaptationSet parsing.
protected AdaptationSet parseAdaptationSet( protected AdaptationSet parseAdaptationSet(
XmlPullParser xpp, String baseUrl, @Nullable SegmentBase segmentBase) XmlPullParser xpp, String baseUrl, @Nullable SegmentBase segmentBase, long periodDurationMs)
throws XmlPullParserException, IOException { throws XmlPullParserException, IOException {
int id = parseInt(xpp, "id", AdaptationSet.ID_UNSET); int id = parseInt(xpp, "id", AdaptationSet.ID_UNSET);
int contentType = parseContentType(xpp); int contentType = parseContentType(xpp);
@ -328,7 +328,8 @@ public class DashManifestParser extends DefaultHandler
roleDescriptors, roleDescriptors,
accessibilityDescriptors, accessibilityDescriptors,
supplementalProperties, supplementalProperties,
segmentBase); segmentBase,
periodDurationMs);
contentType = checkContentTypeConsistency(contentType, contentType = checkContentTypeConsistency(contentType,
getContentType(representationInfo.format)); getContentType(representationInfo.format));
representationInfos.add(representationInfo); representationInfos.add(representationInfo);
@ -338,7 +339,8 @@ public class DashManifestParser extends DefaultHandler
segmentBase = parseSegmentList(xpp, (SegmentList) segmentBase); segmentBase = parseSegmentList(xpp, (SegmentList) segmentBase);
} else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) { } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) {
segmentBase = segmentBase =
parseSegmentTemplate(xpp, (SegmentTemplate) segmentBase, supplementalProperties); parseSegmentTemplate(xpp, (SegmentTemplate) segmentBase, supplementalProperties,
periodDurationMs);
} else if (XmlPullParserUtil.isStartTag(xpp, "InbandEventStream")) { } else if (XmlPullParserUtil.isStartTag(xpp, "InbandEventStream")) {
inbandEventStreams.add(parseDescriptor(xpp, "InbandEventStream")); inbandEventStreams.add(parseDescriptor(xpp, "InbandEventStream"));
} else if (XmlPullParserUtil.isStartTag(xpp)) { } else if (XmlPullParserUtil.isStartTag(xpp)) {
@ -492,7 +494,7 @@ public class DashManifestParser extends DefaultHandler
List<Descriptor> adaptationSetRoleDescriptors, List<Descriptor> adaptationSetRoleDescriptors,
List<Descriptor> adaptationSetAccessibilityDescriptors, List<Descriptor> adaptationSetAccessibilityDescriptors,
List<Descriptor> adaptationSetSupplementalProperties, List<Descriptor> adaptationSetSupplementalProperties,
@Nullable SegmentBase segmentBase) @Nullable SegmentBase segmentBase, long periodDurationMs)
throws XmlPullParserException, IOException { throws XmlPullParserException, IOException {
String id = xpp.getAttributeValue(null, "id"); String id = xpp.getAttributeValue(null, "id");
int bandwidth = parseInt(xpp, "bandwidth", Format.NO_VALUE); int bandwidth = parseInt(xpp, "bandwidth", Format.NO_VALUE);
@ -526,7 +528,8 @@ public class DashManifestParser extends DefaultHandler
} else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) { } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTemplate")) {
segmentBase = segmentBase =
parseSegmentTemplate( parseSegmentTemplate(
xpp, (SegmentTemplate) segmentBase, adaptationSetSupplementalProperties); xpp, (SegmentTemplate) segmentBase, adaptationSetSupplementalProperties,
periodDurationMs);
} else if (XmlPullParserUtil.isStartTag(xpp, "ContentProtection")) { } else if (XmlPullParserUtil.isStartTag(xpp, "ContentProtection")) {
Pair<String, SchemeData> contentProtection = parseContentProtection(xpp); Pair<String, SchemeData> contentProtection = parseContentProtection(xpp);
if (contentProtection.first != null) { if (contentProtection.first != null) {
@ -735,7 +738,7 @@ public class DashManifestParser extends DefaultHandler
if (XmlPullParserUtil.isStartTag(xpp, "Initialization")) { if (XmlPullParserUtil.isStartTag(xpp, "Initialization")) {
initialization = parseInitialization(xpp); initialization = parseInitialization(xpp);
} else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTimeline")) { } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTimeline")) {
timeline = parseSegmentTimeline(xpp); timeline = parseSegmentTimeline(xpp,timescale,duration);
} else if (XmlPullParserUtil.isStartTag(xpp, "SegmentURL")) { } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentURL")) {
if (segments == null) { if (segments == null) {
segments = new ArrayList<>(); segments = new ArrayList<>();
@ -771,7 +774,8 @@ public class DashManifestParser extends DefaultHandler
protected SegmentTemplate parseSegmentTemplate( protected SegmentTemplate parseSegmentTemplate(
XmlPullParser xpp, XmlPullParser xpp,
@Nullable SegmentTemplate parent, @Nullable SegmentTemplate parent,
List<Descriptor> adaptationSetSupplementalProperties) List<Descriptor> adaptationSetSupplementalProperties,
long periodDurationMs)
throws XmlPullParserException, IOException { throws XmlPullParserException, IOException {
long timescale = parseLong(xpp, "timescale", parent != null ? parent.timescale : 1); long timescale = parseLong(xpp, "timescale", parent != null ? parent.timescale : 1);
long presentationTimeOffset = parseLong(xpp, "presentationTimeOffset", long presentationTimeOffset = parseLong(xpp, "presentationTimeOffset",
@ -794,7 +798,7 @@ public class DashManifestParser extends DefaultHandler
if (XmlPullParserUtil.isStartTag(xpp, "Initialization")) { if (XmlPullParserUtil.isStartTag(xpp, "Initialization")) {
initialization = parseInitialization(xpp); initialization = parseInitialization(xpp);
} else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTimeline")) { } else if (XmlPullParserUtil.isStartTag(xpp, "SegmentTimeline")) {
timeline = parseSegmentTimeline(xpp); timeline = parseSegmentTimeline(xpp,timescale,periodDurationMs);
} else { } else {
maybeSkipTag(xpp); maybeSkipTag(xpp);
} }
@ -989,7 +993,8 @@ public class DashManifestParser extends DefaultHandler
return new EventMessage(schemeIdUri, value, durationMs, id, messageData); return new EventMessage(schemeIdUri, value, durationMs, id, messageData);
} }
protected List<SegmentTimelineElement> parseSegmentTimeline(XmlPullParser xpp) protected List<SegmentTimelineElement> parseSegmentTimeline(XmlPullParser xpp,long timescale,
long periodDurationMs)
throws XmlPullParserException, IOException { throws XmlPullParserException, IOException {
List<SegmentTimelineElement> segmentTimeline = new ArrayList<>(); List<SegmentTimelineElement> segmentTimeline = new ArrayList<>();
long elapsedTime = 0; long elapsedTime = 0;
@ -998,7 +1003,12 @@ public class DashManifestParser extends DefaultHandler
if (XmlPullParserUtil.isStartTag(xpp, "S")) { if (XmlPullParserUtil.isStartTag(xpp, "S")) {
elapsedTime = parseLong(xpp, "t", elapsedTime); elapsedTime = parseLong(xpp, "t", elapsedTime);
long duration = parseLong(xpp, "d", C.TIME_UNSET); long duration = parseLong(xpp, "d", C.TIME_UNSET);
int count = 1 + parseInt(xpp, "r", 0);
//if repeat is -1 : length of each segment = duration / timescale and
// number of segments = periodDuration / length of each segment
int repeat = parseInt(xpp,"r",0);
int count = repeat != -1? 1 + repeat : (int) (((periodDurationMs / 1000) * timescale) / duration);
for (int i = 0; i < count; i++) { for (int i = 0; i < count; i++) {
segmentTimeline.add(buildSegmentTimelineElement(elapsedTime, duration)); segmentTimeline.add(buildSegmentTimelineElement(elapsedTime, duration));
elapsedTime += duration; elapsedTime += duration;