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Make SsMediaSource.Builder a factory for SsMediaSources
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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=178380856
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andrewlewis authored and ojw28 committed Dec 12, 2017
1 parent a0d42b5 commit 4c71d63
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Showing 2 changed files with 99 additions and 83 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -365,11 +365,10 @@ private MediaSource buildMediaSource(Uri uri, String overrideExtension) {
: Util.inferContentType("." + overrideExtension);
switch (type) {
case C.TYPE_SS:
return SsMediaSource.Builder
.forManifestUri(uri, buildDataSourceFactory(false),
new DefaultSsChunkSource.Factory(mediaDataSourceFactory))
.setEventListener(mainHandler, eventLogger)
.build();
return new SsMediaSource.Factory(
new DefaultSsChunkSource.Factory(mediaDataSourceFactory),
buildDataSourceFactory(false))
.createMediaSource(uri, mainHandler, eventLogger);
case C.TYPE_DASH:
return new DashMediaSource.Factory(
new DefaultDashChunkSource.Factory(mediaDataSourceFactory),
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
import com.google.android.exoplayer2.source.MediaSourceEventListener;
import com.google.android.exoplayer2.source.MediaSourceEventListener.EventDispatcher;
import com.google.android.exoplayer2.source.SinglePeriodTimeline;
import com.google.android.exoplayer2.source.ads.AdsMediaSource;
import com.google.android.exoplayer2.source.smoothstreaming.manifest.SsManifest;
import com.google.android.exoplayer2.source.smoothstreaming.manifest.SsManifest.StreamElement;
import com.google.android.exoplayer2.source.smoothstreaming.manifest.SsManifestParser;
Expand All @@ -52,59 +53,31 @@ public final class SsMediaSource implements MediaSource,
ExoPlayerLibraryInfo.registerModule("goog.exo.smoothstreaming");
}

/**
* Builder for {@link SsMediaSource}. Each builder instance can only be used once.
*/
public static final class Builder {
/** Factory for {@link SsMediaSource}. */
public static final class Factory implements AdsMediaSource.MediaSourceFactory {

private final SsManifest manifest;
private final Uri manifestUri;
private final DataSource.Factory manifestDataSourceFactory;
private final SsChunkSource.Factory chunkSourceFactory;
private final @Nullable DataSource.Factory manifestDataSourceFactory;

private ParsingLoadable.Parser<? extends SsManifest> manifestParser;
private MediaSourceEventListener eventListener;
private Handler eventHandler;

private @Nullable ParsingLoadable.Parser<? extends SsManifest> manifestParser;
private int minLoadableRetryCount;
private long livePresentationDelayMs;
private boolean isBuildCalled;
private boolean isCreateCalled;

/**
* Creates a {@link Builder} for a {@link SsMediaSource} with a side-loaded manifest.
* Creates a new factory for {@link SsMediaSource}s.
*
* @param manifest The manifest. {@link SsManifest#isLive} must be false.
* @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
* @return A new builder.
*/
public static Builder forSideLoadedManifest(SsManifest manifest,
SsChunkSource.Factory chunkSourceFactory) {
Assertions.checkArgument(!manifest.isLive);
return new Builder(manifest, null, null, chunkSourceFactory);
}

/**
* Creates a {@link Builder} for a {@link SsMediaSource} with a loadable manifest Uri.
*
* @param manifestUri The manifest {@link Uri}.
* @param manifestDataSourceFactory A factory for {@link DataSource} instances that will be used
* to load (and refresh) the manifest.
* @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
* @return A new builder.
* to load (and refresh) the manifest. May be {@code null} if the factory will only ever be
* used to create create media sources with sideloaded manifests via {@link
* #createMediaSource(SsManifest, Handler, MediaSourceEventListener)}.
*/
public static Builder forManifestUri(Uri manifestUri,
DataSource.Factory manifestDataSourceFactory, SsChunkSource.Factory chunkSourceFactory) {
return new Builder(null, manifestUri, manifestDataSourceFactory, chunkSourceFactory);
}

private Builder(@Nullable SsManifest manifest, @Nullable Uri manifestUri,
@Nullable DataSource.Factory manifestDataSourceFactory,
SsChunkSource.Factory chunkSourceFactory) {
this.manifest = manifest;
this.manifestUri = manifestUri;
public Factory(
SsChunkSource.Factory chunkSourceFactory,
@Nullable DataSource.Factory manifestDataSourceFactory) {
this.chunkSourceFactory = Assertions.checkNotNull(chunkSourceFactory);
this.manifestDataSourceFactory = manifestDataSourceFactory;
this.chunkSourceFactory = chunkSourceFactory;

minLoadableRetryCount = DEFAULT_MIN_LOADABLE_RETRY_COUNT;
livePresentationDelayMs = DEFAULT_LIVE_PRESENTATION_DELAY_MS;
}
Expand All @@ -114,73 +87,117 @@ private Builder(@Nullable SsManifest manifest, @Nullable Uri manifestUri,
* {@link #DEFAULT_MIN_LOADABLE_RETRY_COUNT}.
*
* @param minLoadableRetryCount The minimum number of times to retry if a loading error occurs.
* @return This builder.
* @return This factory, for convenience.
* @throws IllegalStateException If one of the {@code create} methods has already been called.
*/
public Builder setMinLoadableRetryCount(int minLoadableRetryCount) {
public Factory setMinLoadableRetryCount(int minLoadableRetryCount) {
Assertions.checkState(!isCreateCalled);
this.minLoadableRetryCount = minLoadableRetryCount;
return this;
}

/**
* Sets the duration in milliseconds by which the default start position should precede the end
* of the live window for live playbacks. The default value is
* {@link #DEFAULT_LIVE_PRESENTATION_DELAY_MS}.
* of the live window for live playbacks. The default value is {@link
* #DEFAULT_LIVE_PRESENTATION_DELAY_MS}.
*
* @param livePresentationDelayMs For live playbacks, the duration in milliseconds by which the
* default start position should precede the end of the live window.
* @return This builder.
* @return This factory, for convenience.
* @throws IllegalStateException If one of the {@code create} methods has already been called.
*/
public Builder setLivePresentationDelayMs(long livePresentationDelayMs) {
public Factory setLivePresentationDelayMs(long livePresentationDelayMs) {
Assertions.checkState(!isCreateCalled);
this.livePresentationDelayMs = livePresentationDelayMs;
return this;
}

/**
* Sets the listener to respond to adaptive {@link MediaSource} events and the handler to
* deliver these events.
* Sets the manifest parser to parse loaded manifest data when loading a manifest URI.
*
* @param manifestParser A parser for loaded manifest data.
* @return This factory, for convenience.
* @throws IllegalStateException If one of the {@code create} methods has already been called.
*/
public Factory setManifestParser(ParsingLoadable.Parser<? extends SsManifest> manifestParser) {
Assertions.checkState(!isCreateCalled);
this.manifestParser = Assertions.checkNotNull(manifestParser);
return this;
}

/**
* Returns a new {@link SsMediaSource} using the current parameters and the specified sideloaded
* manifest.
*
* @param manifest The manifest. {@link SsManifest#isLive} must be false.
* @param eventHandler A handler for events.
* @param eventListener A listener of events.
* @return This builder.
* @return The new {@link SsMediaSource}.
* @throws IllegalArgumentException If {@link SsManifest#isLive} is true.
*/
public Builder setEventListener(Handler eventHandler, MediaSourceEventListener eventListener) {
this.eventHandler = eventHandler;
this.eventListener = eventListener;
return this;
public SsMediaSource createMediaSource(
SsManifest manifest,
@Nullable Handler eventHandler,
@Nullable MediaSourceEventListener eventListener) {
Assertions.checkArgument(!manifest.isLive);
isCreateCalled = true;
return new SsMediaSource(
manifest,
null,
null,
null,
chunkSourceFactory,
minLoadableRetryCount,
livePresentationDelayMs,
eventHandler,
eventListener);
}

/**
* Sets the manifest parser to parse loaded manifest data. The default is an instance of
* {@link SsManifestParser}, or {@code null} if the manifest is sideloaded.
* Returns a new {@link SsMediaSource} using the current parameters. Media source events will
* not be delivered.
*
* @param manifestParser A parser for loaded manifest data.
* @return This builder.
* @param manifestUri The manifest {@link Uri}.
* @return The new {@link SsMediaSource}.
*/
public Builder setManifestParser(ParsingLoadable.Parser<? extends SsManifest> manifestParser) {
this.manifestParser = manifestParser;
return this;
public SsMediaSource createMediaSource(Uri manifestUri) {
return createMediaSource(manifestUri, null, null);
}

/**
* Builds a new {@link SsMediaSource} using the current parameters.
* <p>
* After this call, the builder should not be re-used.
* Returns a new {@link SsMediaSource} using the current parameters.
*
* @return The newly built {@link SsMediaSource}.
* @param manifestUri The manifest {@link Uri}.
* @param eventHandler A handler for events.
* @param eventListener A listener of events.
* @return The new {@link SsMediaSource}.
*/
public SsMediaSource build() {
Assertions.checkArgument((eventListener == null) == (eventHandler == null));
Assertions.checkState(!isBuildCalled);
isBuildCalled = true;
boolean loadableManifestUri = manifestUri != null;
if (loadableManifestUri && manifestParser == null) {
@Override
public SsMediaSource createMediaSource(
Uri manifestUri,
@Nullable Handler eventHandler,
@Nullable MediaSourceEventListener eventListener) {
isCreateCalled = true;
if (manifestParser == null) {
manifestParser = new SsManifestParser();
}
return new SsMediaSource(manifest, manifestUri, manifestDataSourceFactory, manifestParser,
chunkSourceFactory, minLoadableRetryCount, livePresentationDelayMs, eventHandler,
return new SsMediaSource(
null,
Assertions.checkNotNull(manifestUri),
manifestDataSourceFactory,
manifestParser,
chunkSourceFactory,
minLoadableRetryCount,
livePresentationDelayMs,
eventHandler,
eventListener);
}

@Override
public int[] getSupportedTypes() {
return new int[] {C.TYPE_SS};
}

}

/**
Expand Down Expand Up @@ -228,7 +245,7 @@ public SsMediaSource build() {
* @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
* @param eventHandler A handler for events. May be null if delivery of events is not required.
* @param eventListener A listener of events. May be null if delivery of events is not required.
* @deprecated Use {@link Builder} instead.
* @deprecated Use {@link Factory} instead.
*/
@Deprecated
public SsMediaSource(SsManifest manifest, SsChunkSource.Factory chunkSourceFactory,
Expand All @@ -245,7 +262,7 @@ public SsMediaSource(SsManifest manifest, SsChunkSource.Factory chunkSourceFacto
* @param minLoadableRetryCount The minimum number of times to retry if a loading error occurs.
* @param eventHandler A handler for events. May be null if delivery of events is not required.
* @param eventListener A listener of events. May be null if delivery of events is not required.
* @deprecated Use {@link Builder} instead.
* @deprecated Use {@link Factory} instead.
*/
@Deprecated
public SsMediaSource(SsManifest manifest, SsChunkSource.Factory chunkSourceFactory,
Expand All @@ -264,7 +281,7 @@ public SsMediaSource(SsManifest manifest, SsChunkSource.Factory chunkSourceFacto
* @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
* @param eventHandler A handler for events. May be null if delivery of events is not required.
* @param eventListener A listener of events. May be null if delivery of events is not required.
* @deprecated Use {@link Builder} instead.
* @deprecated Use {@link Factory} instead.
*/
@Deprecated
public SsMediaSource(Uri manifestUri, DataSource.Factory manifestDataSourceFactory,
Expand All @@ -288,7 +305,7 @@ public SsMediaSource(Uri manifestUri, DataSource.Factory manifestDataSourceFacto
* default start position should precede the end of the live window.
* @param eventHandler A handler for events. May be null if delivery of events is not required.
* @param eventListener A listener of events. May be null if delivery of events is not required.
* @deprecated Use {@link Builder} instead.
* @deprecated Use {@link Factory} instead.
*/
@Deprecated
public SsMediaSource(Uri manifestUri, DataSource.Factory manifestDataSourceFactory,
Expand All @@ -312,7 +329,7 @@ public SsMediaSource(Uri manifestUri, DataSource.Factory manifestDataSourceFacto
* default start position should precede the end of the live window.
* @param eventHandler A handler for events. May be null if delivery of events is not required.
* @param eventListener A listener of events. May be null if delivery of events is not required.
* @deprecated Use {@link Builder} instead.
* @deprecated Use {@link Factory} instead.
*/
@Deprecated
public SsMediaSource(Uri manifestUri, DataSource.Factory manifestDataSourceFactory,
Expand Down

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