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Commit ee743870 by olly Committed by Oliver Woodman
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Media2 extension: Make DefaultMediaItemConverter more useful 

- Remove throwing of IllegalStateException
- Make it non-final so additional metadata can be more easily filled in

PiperOrigin-RevId: 327292208
parent bddb29c4
Inline Side-by-side
Showing with 78 additions and 41 deletions
extensions/media2/src/androidTest/java/com/google/android/exoplayer2/ext/media2/PlayerTestRule.java
......@@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import android.content.Context;
......
extensions/media2/src/androidTest/java/com/google/android/exoplayer2/ext/media2/SessionCallbackBuilderTest.java
......@@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import static com.google.android.exoplayer2.ext.media2.TestUtils.assertPlayerResultSuccess;
......
extensions/media2/src/androidTest/java/com/google/android/exoplayer2/ext/media2/SessionPlayerConnectorTest.java
......@@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import static androidx.media2.common.SessionPlayer.PLAYER_STATE_PAUSED;
......
extensions/media2/src/androidTest/java/com/google/android/exoplayer2/ext/media2/TestUtils.java
......@@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import static androidx.media2.common.SessionPlayer.PlayerResult.RESULT_SUCCESS;
......
extensions/media2/src/main/java/com/google/android/exoplayer2/ext/media2/DefaultMediaItemConverter.java
......@@ -13,20 +13,29 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import static androidx.media2.common.MediaMetadata.METADATA_KEY_DISPLAY_TITLE;
import static androidx.media2.common.MediaMetadata.METADATA_KEY_MEDIA_ID;
import static androidx.media2.common.MediaMetadata.METADATA_KEY_MEDIA_URI;
import static androidx.media2.common.MediaMetadata.METADATA_KEY_TITLE;
import android.net.Uri;
import androidx.annotation.Nullable;
import androidx.media2.common.CallbackMediaItem;
import androidx.media2.common.FileMediaItem;
import androidx.media2.common.MediaMetadata;
import androidx.media2.common.UriMediaItem;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.MediaItem;
import com.google.android.exoplayer2.util.Assertions;
/** Default implementation of {@link MediaItemConverter}. */
public final class DefaultMediaItemConverter implements MediaItemConverter {
/**
* Default implementation of {@link MediaItemConverter}.
*
* <p>Note that {@link #getMetadata} can be overridden to fill in additional metadata when
* converting {@link MediaItem ExoPlayer MediaItems} to their AndroidX equivalents.
*/
public class DefaultMediaItemConverter implements MediaItemConverter {
@Override
public MediaItem convertToExoPlayerMediaItem(androidx.media2.common.MediaItem media2MediaItem) {
......@@ -37,43 +46,51 @@ public final class DefaultMediaItemConverter implements MediaItemConverter {
throw new IllegalStateException("CallbackMediaItem isn't supported");
}
MediaItem.Builder exoPlayerMediaItemBuilder = new MediaItem.Builder();
// Set mediaItem as tag for creating MediaSource via MediaSourceFactory methods.
exoPlayerMediaItemBuilder.setTag(media2MediaItem);
// Media ID or URI must be present. Get it from media2 MediaItem if possible.
@Nullable Uri uri = null;
@Nullable String mediaId = null;
@Nullable String title = null;
if (media2MediaItem instanceof UriMediaItem) {
UriMediaItem uriMediaItem = (UriMediaItem) media2MediaItem;
uri = uriMediaItem.getUri();
}
@Nullable MediaMetadata metadata = media2MediaItem.getMetadata();
@Nullable androidx.media2.common.MediaMetadata metadata = media2MediaItem.getMetadata();
if (metadata != null) {
mediaId = metadata.getString(MediaMetadata.METADATA_KEY_MEDIA_ID);
@Nullable String uriString = metadata.getString(MediaMetadata.METADATA_KEY_MEDIA_URI);
if (uri == null && uriString != null) {
@Nullable String uriString = metadata.getString(METADATA_KEY_MEDIA_URI);
mediaId = metadata.getString(METADATA_KEY_MEDIA_ID);
if (uri == null) {
if (uriString != null) {
uri = Uri.parse(uriString);
} else if (mediaId != null) {
uri = Uri.parse("media2:///" + mediaId);
}
}
title = metadata.getString(METADATA_KEY_DISPLAY_TITLE);
if (title == null) {
title = metadata.getString(METADATA_KEY_TITLE);
}
}
if (uri == null) {
// Generate a Uri to make it non-null. If not, tag will be ignored.
uri = Uri.parse("exoplayer://" + media2MediaItem.hashCode());
// Generate a URI to make it non-null. If not, then the tag passed to setTag will be ignored.
uri = Uri.parse("media2:///");
}
exoPlayerMediaItemBuilder.setUri(uri);
exoPlayerMediaItemBuilder.setMediaId(mediaId);
if (media2MediaItem.getStartPosition() != androidx.media2.common.MediaItem.POSITION_UNKNOWN) {
exoPlayerMediaItemBuilder.setClipStartPositionMs(media2MediaItem.getStartPosition());
exoPlayerMediaItemBuilder.setClipRelativeToDefaultPosition(true);
long startPositionMs = media2MediaItem.getStartPosition();
if (startPositionMs == androidx.media2.common.MediaItem.POSITION_UNKNOWN) {
startPositionMs = 0;
}
if (media2MediaItem.getEndPosition() != androidx.media2.common.MediaItem.POSITION_UNKNOWN) {
exoPlayerMediaItemBuilder.setClipEndPositionMs(media2MediaItem.getEndPosition());
exoPlayerMediaItemBuilder.setClipRelativeToDefaultPosition(true);
long endPositionMs = media2MediaItem.getEndPosition();
if (endPositionMs == androidx.media2.common.MediaItem.POSITION_UNKNOWN) {
endPositionMs = C.TIME_END_OF_SOURCE;
}
return exoPlayerMediaItemBuilder.build();
return new MediaItem.Builder()
.setUri(uri)
.setMediaId(mediaId)
.setMediaMetadata(
new com.google.android.exoplayer2.MediaMetadata.Builder().setTitle(title).build())
.setTag(media2MediaItem)
.setClipStartPositionMs(startPositionMs)
.setClipEndPositionMs(endPositionMs)
.build();
}
@Override
......@@ -81,11 +98,40 @@ public final class DefaultMediaItemConverter implements MediaItemConverter {
Assertions.checkNotNull(exoPlayerMediaItem);
MediaItem.PlaybackProperties playbackProperties =
Assertions.checkNotNull(exoPlayerMediaItem.playbackProperties);
@Nullable Object tag = playbackProperties.tag;
if (tag instanceof androidx.media2.common.MediaItem) {
return (androidx.media2.common.MediaItem) tag;
}
return new UriMediaItem.Builder(playbackProperties.uri).build();
androidx.media2.common.MediaMetadata metadata = getMetadata(exoPlayerMediaItem);
long startPositionMs = exoPlayerMediaItem.clippingProperties.startPositionMs;
long endPositionMs = exoPlayerMediaItem.clippingProperties.endPositionMs;
if (endPositionMs == C.TIME_END_OF_SOURCE) {
endPositionMs = androidx.media2.common.MediaItem.POSITION_UNKNOWN;
}
return new androidx.media2.common.MediaItem.Builder()
.setMetadata(metadata)
.setStartPosition(startPositionMs)
.setEndPosition(endPositionMs)
.build();
}
/**
* Returns a {@link androidx.media2.common.MediaMetadata} corresponding to the given {@link
* MediaItem ExoPlayer MediaItem}.
*/
protected androidx.media2.common.MediaMetadata getMetadata(MediaItem exoPlayerMediaItem) {
@Nullable String title = exoPlayerMediaItem.mediaMetadata.title;
androidx.media2.common.MediaMetadata.Builder metadataBuilder =
new androidx.media2.common.MediaMetadata.Builder()
.putString(METADATA_KEY_MEDIA_ID, exoPlayerMediaItem.mediaId);
if (title != null) {
metadataBuilder.putString(METADATA_KEY_TITLE, title);
metadataBuilder.putString(METADATA_KEY_DISPLAY_TITLE, title);
}
return metadataBuilder.build();
}
}
extensions/media2/src/main/java/com/google/android/exoplayer2/ext/media2/MediaItemConverter.java
......@@ -13,24 +13,23 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import com.google.android.exoplayer2.MediaItem;
/**
* Converter between {@link MediaItem Media2 MediaItem} and {@link
* com.google.android.exoplayer2.MediaItem ExoPlayer MediaItem}.
* Converts between {@link androidx.media2.common.MediaItem Media2 MediaItem} and {@link MediaItem
* ExoPlayer MediaItem}.
*/
public interface MediaItemConverter {
/**
* Converts {@link androidx.media2.common.MediaItem Media2 MediaItem} to {@link MediaItem
* Converts an {@link androidx.media2.common.MediaItem Media2 MediaItem} to an {@link MediaItem
* ExoPlayer MediaItem}.
*/
MediaItem convertToExoPlayerMediaItem(androidx.media2.common.MediaItem media2MediaItem);
/**
* Converts {@link MediaItem ExoPlayer MediaItem} to {@link androidx.media2.common.MediaItem
* Converts an {@link MediaItem ExoPlayer MediaItem} to an {@link androidx.media2.common.MediaItem
* Media2 MediaItem}.
*/
androidx.media2.common.MediaItem convertToMedia2MediaItem(MediaItem exoPlayerMediaItem);
......
extensions/media2/src/main/java/com/google/android/exoplayer2/ext/media2/PlayerWrapper.java
......@@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import androidx.annotation.IntRange;
......
extensions/media2/src/main/java/com/google/android/exoplayer2/ext/media2/SessionCallback.java
......@@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
......
extensions/media2/src/main/java/com/google/android/exoplayer2/ext/media2/SessionCallbackBuilder.java
......@@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import android.Manifest;
......@@ -45,7 +44,7 @@ import java.util.ArrayList;
import java.util.List;
/**
* Builds {@link MediaSession.SessionCallback} with various collaborators.
* Builds a {@link MediaSession.SessionCallback} with various collaborators.
*
* @see MediaSession.SessionCallback
*/
......
extensions/media2/src/main/java/com/google/android/exoplayer2/ext/media2/SessionPlayerConnector.java
......@@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.ext.media2;
import androidx.annotation.FloatRange;
......
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