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player: live dash: fix varible timeline: upd

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This commit is contained in:
Yuriy Liskov
2022-08-20 05:57:21 +03:00
parent 58b593eb67
commit d560c89869
1 changed files with 11 additions and 1 deletions
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12
common/src/main/java/com/liskovsoft/smartyoutubetv2/common/exoplayer/LiveDashManifestParser.java
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@@ -36,7 +36,7 @@ public class LiveDashManifestParser extends DashManifestParser {
private static final long MAX_LIVE_STREAM_LENGTH_MS = 30 * 1_000;
// Usually gaming streams. 10 hrs max.
private static final long MAX_PAST_STREAM_LENGTH_MS = 12 * 60 * 60 * 1_000;
private static final long MAX_NEW_STREAM_LENGTH_MS = 30 * 1_000;
private static final long MAX_NEW_STREAM_LENGTH_MS = 8 * 60 * 60 * 1_000;
private DashManifest mOldManifest;
private long mOldSegmentNum;
@@ -179,12 +179,17 @@ public class LiveDashManifestParser extends DashManifestParser {
long timeShiftBufferDepthMs = (long) Helpers.getField(manifest, "timeShiftBufferDepthMs"); // active live stream
long durationMs = (long) Helpers.getField(manifest, "durationMs"); // past live stream
long firstSegmentNum = getFirstSegmentNum(manifest);
long firstSegmentDurationMs = getFirstSegmentDurationMs(manifest);
long currentSegmentCount = getSegmentCount(manifest);
if (minUpdatePeriodMs <= 0) { // past live stream
// May has different length 5_000 (4hrs) or 2_000 (2hrs)
minUpdatePeriodMs = durationMs / (currentSegmentCount - 1) / 10 * 10; // Round ending digits
}
if (minUpdatePeriodMs != firstSegmentDurationMs) { // variable segment timeline (unpredictable)
return;
}
boolean isNewStream = firstSegmentNum < 10_000 && currentSegmentCount > 3;
boolean isPastStream = durationMs > 0 && currentSegmentCount > 3;
long maxSegmentsCount = (isPastStream ? MAX_PAST_STREAM_LENGTH_MS :
@@ -303,6 +308,11 @@ public class LiveDashManifestParser extends DashManifestParser {
return manifest.getPeriod(0).adaptationSets.get(0).representations.get(0).getIndex().getSegmentCount(C.TIME_UNSET);
}
private static long getFirstSegmentDurationMs(DashManifest manifest) {
DashSegmentIndex dashSegmentIndex = manifest.getPeriod(0).adaptationSets.get(0).representations.get(0).getIndex();
return dashSegmentIndex.getDurationUs(getFirstSegmentNum(manifest), C.TIME_UNSET) / 1_000;
}
private static class MultiSegmentRepresentationWrapper extends MultiSegmentRepresentation {
private long mSegmentCount;
private long mMinUpdatePeriodMs;