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Clean up HlsPlaylistTracker

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This commit is contained in:
Oliver Woodman 2017-09-26 17:06:36 +01:00
parent 98f6e89efd
commit d8ceef1038
1 changed files with 7 additions and 11 deletions
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18
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/playlist/HlsPlaylistTracker.java
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@ -201,7 +201,7 @@ public final class HlsPlaylistTracker implements Loader.Callback<ParsingLoadable
*/
public HlsMediaPlaylist getPlaylistSnapshot(HlsUrl url) {
HlsMediaPlaylist snapshot = playlistBundles.get(url).getPlaylistSnapshot();
if (url != primaryHlsUrl && snapshot != null) {
if (snapshot != null) {
maybeSetPrimaryUrl(url);
}
return snapshot;
@ -339,23 +339,22 @@ public final class HlsPlaylistTracker implements Loader.Callback<ParsingLoadable
}
private void maybeSetPrimaryUrl(HlsUrl url) {
if (!masterPlaylist.variants.contains(url)
if (url == primaryHlsUrl
|| !masterPlaylist.variants.contains(url)
|| (primaryUrlSnapshot != null && primaryUrlSnapshot.hasEndTag)) {
// Only allow variant urls to be chosen as primary. Also prevent changing the primary url if
// the last primary snapshot contains an end tag.
// Ignore if the primary url is unchanged, if the url is not a variant url, or if the last
// primary snapshot contains an end tag.
return;
}
primaryHlsUrl = url;
playlistBundles.get(primaryHlsUrl).loadPlaylist();
}
private void createBundles(List<HlsUrl> urls) {
int listSize = urls.size();
long currentTimeMs = SystemClock.elapsedRealtime();
for (int i = 0; i < listSize; i++) {
HlsUrl url = urls.get(i);
MediaPlaylistBundle bundle = new MediaPlaylistBundle(url, currentTimeMs);
MediaPlaylistBundle bundle = new MediaPlaylistBundle(url);
playlistBundles.put(url, bundle);
}
}
@ -471,14 +470,12 @@ public final class HlsPlaylistTracker implements Loader.Callback<ParsingLoadable
private HlsMediaPlaylist playlistSnapshot;
private long lastSnapshotLoadMs;
private long lastSnapshotChangeMs;
private long lastSnapshotAccessTimeMs;
private long blacklistUntilMs;
private boolean pendingRefresh;
private IOException playlistError;
public MediaPlaylistBundle(HlsUrl playlistUrl, long initialLastSnapshotAccessTimeMs) {
public MediaPlaylistBundle(HlsUrl playlistUrl) {
this.playlistUrl = playlistUrl;
lastSnapshotAccessTimeMs = initialLastSnapshotAccessTimeMs;
mediaPlaylistLoader = new Loader("HlsPlaylistTracker:MediaPlaylist");
mediaPlaylistLoadable = new ParsingLoadable<>(
dataSourceFactory.createDataSource(C.DATA_TYPE_MANIFEST),
@ -487,7 +484,6 @@ public final class HlsPlaylistTracker implements Loader.Callback<ParsingLoadable
}
public HlsMediaPlaylist getPlaylistSnapshot() {
lastSnapshotAccessTimeMs = SystemClock.elapsedRealtime();
return playlistSnapshot;
}