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player: long stream fix: upd

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Yuriy Liskov
2022-08-10 18:32:08 +03:00
parent 1e9ae00f66
commit e466b45bd9
1 changed files with 21 additions and 15 deletions
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36
common/src/main/java/com/liskovsoft/smartyoutubetv2/common/exoplayer/LiveDashManifestParser.java
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@@ -26,6 +26,7 @@ import java.util.List;
@SuppressWarnings("unchecked")
public class LiveDashManifestParser extends DashManifestParser {
private static final String TAG = LiveDashManifestParser.class.getSimpleName();
private static final long MAX_STREAM_LENGTH_MS = 8 * 60 * 60 * 1_000; // 8 hours
private DashManifest mOldManifest;
private long mOldSegmentNum;
@@ -160,23 +161,33 @@ public class LiveDashManifestParser extends DashManifestParser {
return;
}
//if (getFirstSegmentNum(manifest) > MAX_SEGMENTS_COUNT) {
// // Skip long live streams (performance fix)
// return;
//}
long minUpdatePeriodMs = (long) Helpers.getField(manifest, "minUpdatePeriodMs");
long timeShiftBufferDepthMs = (long) Helpers.getField(manifest, "timeShiftBufferDepthMs");
long firstSegmentNum = getFirstSegmentNum(manifest);
long lastSegmentNum = getLastSegmentNum(manifest);
long maxSegmentsCount = MAX_STREAM_LENGTH_MS / minUpdatePeriodMs;
long segmentCount = Math.min(firstSegmentNum, maxSegmentsCount - (lastSegmentNum - firstSegmentNum - 1));
Helpers.setField(manifest, "timeShiftBufferDepthMs", timeShiftBufferDepthMs + (segmentCount * minUpdatePeriodMs));
Period oldPeriod = manifest.getPeriod(0);
for (int i = 0; i < oldPeriod.adaptationSets.size(); i++) {
for (int j = 0; j < oldPeriod.adaptationSets.get(i).representations.size(); j++) {
recreateRepresentation(
oldPeriod.adaptationSets.get(i).representations.get(j)
);
Representation oldRepresentation = oldPeriod.adaptationSets.get(i).representations.get(j);
recreateRepresentation(oldRepresentation, segmentCount);
long presentationTimeOffsetUs = oldRepresentation.presentationTimeOffsetUs;
Helpers.setField(oldRepresentation, "presentationTimeOffsetUs", presentationTimeOffsetUs - (segmentCount * minUpdatePeriodMs * 1000));
}
}
long minUpdatePeriodMs = (long) Helpers.getField(manifest, "minUpdatePeriodMs");
long timeShiftBufferDepthMs = (long) Helpers.getField(manifest, "timeShiftBufferDepthMs");
long segmentCount = getFirstSegmentNum(manifest) > 4000 ? 4000 : getFirstSegmentNum(manifest);
Helpers.setField(manifest, "timeShiftBufferDepthMs", timeShiftBufferDepthMs + (minUpdatePeriodMs * segmentCount));
}
private static void recreateRepresentation(Representation oldRepresentation) {
private static void recreateRepresentation(Representation oldRepresentation, long segmentCount) {
MultiSegmentRepresentation oldMultiRepresentation = (MultiSegmentRepresentation) oldRepresentation;
SegmentList oldSegmentList = (SegmentList) Helpers.getField(oldMultiRepresentation, "segmentBase");
@@ -203,11 +214,8 @@ public class LiveDashManifestParser extends DashManifestParser {
long currentSegmentNum = firstSegmentNum - 1;
long currentSegmentLimit = firstSegmentLimit - limitDiff;
// Live news stream
long segmentCount = firstSegmentNum > 4000 ? 4000 : firstSegmentNum;
long startNumber = firstSegmentNum > 4000 ? firstSegmentNum - 4000 : 0;
while (currentSegmentNum >= startNumber) {
for (int i = 1; i <= segmentCount; i++) {
oldMediaSegments.add(0, new RangedUri(String.format("sq/%s/lmt/%s", currentSegmentNum, currentSegmentLimit), start, length));
currentSegmentNum--;
currentSegmentLimit -= limitDiff;
@@ -218,9 +226,7 @@ public class LiveDashManifestParser extends DashManifestParser {
// segmentTimeline is the same for all segments
if (oldMediaSegments.size() != oldSegmentTimeline.size()) {
SegmentTimelineElement lastTimeline = oldSegmentTimeline.get(oldSegmentTimeline.size() - 1);
long lastTimelineDuration = (Long) Helpers.getField(lastTimeline, "duration");
long lastTimelineStartTime = (Long) Helpers.getField(lastTimeline, "startTime");
for (int i = 1; i <= segmentCount; i++) {