Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Added an event that triggers when metadata is received from the track source #552

Merged
merged 3 commits into from
May 1, 2019
Merged

Added an event that triggers when metadata is received from the track source #552

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
d83f765
Added the playback-metadata-received event
Guichaguri Apr 20, 2019
82b8cec
[android] Added the base track metadata
Guichaguri May 1, 2019
dbfcaf5
[android] Allow multiple metadata events for different types
Guichaguri May 1, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 14 additions & 0 deletions android/src/main/java/com/guichaguri/trackplayer/service/MusicManager.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -217,6 +217,20 @@ public void onEnd(Track previous, long prevPos) {
service.emit(MusicEvents.PLAYBACK_QUEUE_ENDED, bundle);
}

public void onMetadataReceived(String source, String title, String url, String artist, String album, String date, String genre) {
Log.d(Utils.LOG, "onMetadataReceived: " + source);

Bundle bundle = new Bundle();
bundle.putString("source", source);
bundle.putString("title", title);
bundle.putString("url", url);
bundle.putString("artist", artist);
bundle.putString("album", album);
bundle.putString("date", date);
bundle.putString("genre", genre);
service.emit(MusicEvents.PLAYBACK_METADATA, bundle);
}

public void onError(String code, String error) {
Log.d(Utils.LOG, "onError");
Log.e(Utils.LOG, "Playback error: " + code + " - " + error);
Expand Down
111 changes: 104 additions & 7 deletions android/src/main/java/com/guichaguri/trackplayer/service/player/ExoPlayback.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,16 @@
import android.support.v4.media.session.PlaybackStateCompat;
import android.util.Log;
import com.facebook.react.bridge.Promise;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.ExoPlaybackException;
import com.google.android.exoplayer2.PlaybackParameters;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.*;
import com.google.android.exoplayer2.Player.EventListener;
import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.Timeline.Window;
import com.google.android.exoplayer2.metadata.Metadata;
import com.google.android.exoplayer2.metadata.MetadataOutput;
import com.google.android.exoplayer2.metadata.icy.IcyHeaders;
import com.google.android.exoplayer2.metadata.icy.IcyInfo;
import com.google.android.exoplayer2.metadata.id3.TextInformationFrame;
import com.google.android.exoplayer2.metadata.id3.UrlLinkFrame;
import com.google.android.exoplayer2.source.TrackGroup;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
import com.guichaguri.trackplayer.service.MusicManager;
Expand All @@ -24,7 +27,7 @@
/**
* @author Guichaguri
*/
public abstract class ExoPlayback<T extends Player> implements EventListener {
public abstract class ExoPlayback<T extends Player> implements EventListener, MetadataOutput {

protected final Context context;
protected final MusicManager manager;
Expand All @@ -41,6 +44,9 @@ public ExoPlayback(Context context, MusicManager manager, T player) {
this.context = context;
this.manager = manager;
this.player = player;

Player.MetadataComponent component = player.getMetadataComponent();
if(component != null) component.addMetadataOutput(this);
}

public void initialize() {
Expand Down Expand Up @@ -235,7 +241,21 @@ public void onPositionDiscontinuity(int reason) {

@Override
public void onTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections) {

for(int i = 0; i < trackGroups.length; i++) {
// Loop through all track groups.
// As for the current implementation, there should be only one
TrackGroup group = trackGroups.get(i);

for(int f = 0; f < group.length; f++) {
// Loop through all formats inside the track group
Format format = group.getFormat(f);

// Parse the metadata if it is present
if (format.metadata != null) {
onMetadata(format.metadata);
}
}
}
}

@Override
Expand Down Expand Up @@ -299,4 +319,81 @@ public void onPlaybackParametersChanged(PlaybackParameters playbackParameters) {
public void onSeekProcessed() {
// Finished seeking
}

private void handleId3Metadata(Metadata metadata) {
String title = null, url = null, artist = null, album = null, date = null, genre = null;

for(int i = 0; i < metadata.length(); i++) {
Metadata.Entry entry = metadata.get(i);

if (entry instanceof TextInformationFrame) {
// ID3 text tag
TextInformationFrame id3 = (TextInformationFrame) entry;
String id = id3.id.toUpperCase();

if (id.equals("TIT2") || id.equals("TT2")) {
title = id3.value;
} else if (id.equals("TALB") || id.equals("TOAL") || id.equals("TAL")) {
album = id3.value;
} else if (id.equals("TOPE") || id.equals("TPE1") || id.equals("TP1")) {
artist = id3.value;
} else if (id.equals("TDRC") || id.equals("TOR")) {
date = id3.value;
} else if (id.equals("TCON") || id.equals("TCO")) {
genre = id3.value;
}

} else if (entry instanceof UrlLinkFrame) {
// ID3 URL tag
UrlLinkFrame id3 = (UrlLinkFrame) entry;
String id = id3.id.toUpperCase();

if (id.equals("WOAS") || id.equals("WOAF") || id.equals("WOAR") || id.equals("WAR")) {
url = id3.url;
}

}
}

if (title != null || url != null || artist != null || album != null || date != null || genre != null) {
manager.onMetadataReceived("id3", title, url, artist, album, date, genre);
}
}

private void handleIcyMetadata(Metadata metadata) {
for (int i = 0; i < metadata.length(); i++) {
Metadata.Entry entry = metadata.get(i);

if(entry instanceof IcyHeaders) {
// ICY headers
IcyHeaders icy = (IcyHeaders)entry;

manager.onMetadataReceived("icy-headers", icy.name, icy.url, null, null, null, icy.genre);

} else if(entry instanceof IcyInfo) {
// ICY data
IcyInfo icy = (IcyInfo)entry;

String artist, title;
int index = icy.title == null ? -1 : icy.title.indexOf(" - ");

if (index != -1) {
artist = icy.title.substring(0, index);
title = icy.title.substring(index + 3);
} else {
artist = null;
title = icy.title;
}

manager.onMetadataReceived("icy", title, icy.url, artist, null, null, null);

}
}
}

@Override
public void onMetadata(Metadata metadata) {
handleId3Metadata(metadata);
handleIcyMetadata(metadata);
}
}
13 changes: 13 additions & 0 deletions docs/Documentation.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -423,6 +423,19 @@ Fired when the queue reaches the end.
| track | `string` | The previous track id. Might be null |
| position | `number` | The previous track position in seconds |

#### `playback-metadata-received`
Fired when the current track receives metadata encoded in. (e.g. ID3 tags or Icy Metadata).

| Param | Type | Description |
| -------- | -------- | --------------------------------------------------- |
| source | `string` | The metadata source (`id3`, `icy` or `icy-headers`) |
| title | `string` | The track title. Might be null |
| url | `string` | The track url. Might be null |
| artist | `string` | The track artist. Might be null |
| album | `string` | The track album. Might be null |
| date | `string` | The track date. Might be null |
| genre | `string` | The track genre. Might be null |

#### `playback-error`
Fired when an error occurs.

Expand Down