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Use manifest load start time to dictate refresh period.

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=123734239
This commit is contained in:
olly 2016-06-01 03:26:45 -07:00 committed by Oliver Woodman
parent 7f70ee911b
commit 53b50a61fe
2 changed files with 12 additions and 9 deletions
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15
library/src/main/java/com/google/android/exoplayer/dash/DashSampleSource.java
View file

@ -82,7 +82,8 @@ public final class DashSampleSource implements SampleSource {
private final ManifestCallback manifestCallback;
private Uri manifestUri;
private long manifestLoadTimestamp;
private long manifestLoadStartTimestamp;
private long manifestLoadEndTimestamp;
private MediaPresentationDescription manifest;
private boolean prepared;
@ -173,7 +174,7 @@ public final class DashSampleSource implements SampleSource {
minUpdatePeriod = 5000;
}
if (!loader.isLoading()
&& SystemClock.elapsedRealtime() > manifestLoadTimestamp + minUpdatePeriod) {
&& SystemClock.elapsedRealtime() > manifestLoadStartTimestamp + minUpdatePeriod) {
startLoadingManifest();
}
}
@ -226,9 +227,11 @@ public final class DashSampleSource implements SampleSource {
// Loadable callbacks.
/* package */ void onManifestLoadCompleted(MediaPresentationDescription manifest) {
/* package */ void onManifestLoadCompleted(MediaPresentationDescription manifest,
long elapsedMs) {
this.manifest = manifest;
manifestLoadTimestamp = SystemClock.elapsedRealtime();
manifestLoadEndTimestamp = SystemClock.elapsedRealtime();
manifestLoadStartTimestamp = manifestLoadEndTimestamp - elapsedMs;
if (manifest.location != null) {
manifestUri = manifest.location;
}
@ -283,7 +286,7 @@ public final class DashSampleSource implements SampleSource {
private void resolveUtcTimingElementDirect(UtcTimingElement timingElement) {
try {
long utcTimestamp = Util.parseXsDateTime(timingElement.value);
long elapsedRealtimeOffset = utcTimestamp - manifestLoadTimestamp;
long elapsedRealtimeOffset = utcTimestamp - manifestLoadEndTimestamp;
onUtcTimestampLoadCompleted(elapsedRealtimeOffset);
} catch (ParseException e) {
onUtcTimestampLoadError(new ParserException(e));
@ -353,7 +356,7 @@ public final class DashSampleSource implements SampleSource {
@Override
public void onLoadCompleted(UriLoadable<MediaPresentationDescription> loadable,
long elapsedMs) {
onManifestLoadCompleted(loadable.getResult());
onManifestLoadCompleted(loadable.getResult(), elapsedMs);
}
@Override

6
library/src/main/java/com/google/android/exoplayer/smoothstreaming/SmoothStreamingSampleSource.java
View file

@ -73,7 +73,7 @@ public final class SmoothStreamingSampleSource implements SampleSource,
private final DataSource manifestDataSource;
private final SmoothStreamingManifestParser manifestParser;
private long manifestLoadTimestamp;
private long manifestLoadStartTimestamp;
private SmoothStreamingManifest manifest;
private boolean prepared;
@ -157,7 +157,7 @@ public final class SmoothStreamingSampleSource implements SampleSource,
public void continueBuffering(long positionUs) {
if (manifest.isLive) {
if (!manifestLoader.isLoading() && SystemClock.elapsedRealtime()
> manifestLoadTimestamp + MINIMUM_MANIFEST_REFRESH_PERIOD_MS) {
> manifestLoadStartTimestamp + MINIMUM_MANIFEST_REFRESH_PERIOD_MS) {
for (ChunkTrackStream<SmoothStreamingChunkSource> trackStream : trackStreams) {
if (trackStream.getChunkSource().needManifestRefresh()) {
startLoadingManifest();
@ -218,7 +218,7 @@ public final class SmoothStreamingSampleSource implements SampleSource,
@Override
public void onLoadCompleted(UriLoadable<SmoothStreamingManifest> loadable, long elapsedMs) {
manifest = loadable.getResult();
manifestLoadTimestamp = SystemClock.elapsedRealtime();
manifestLoadStartTimestamp = SystemClock.elapsedRealtime() - elapsedMs;
if (!prepared) {
durationUs = manifest.durationUs;
buildTrackGroups(manifest);