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Support selecting audio tracks

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Implements audio track selection on iOS & Android ExoPlayer. The prop mirrors the API for selectedTextTrack.
This commit is contained in:
Hampton Maxwell
2018-07-17 14:14:21 -07:00
parent 933d3dd817
commit 06eb1c57d8
7 changed files with 231 additions and 40 deletions
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119
android-exoplayer/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java
View File

@@ -113,6 +113,9 @@ class ReactExoplayerView extends FrameLayout implements
private Uri srcUri;
private String extension;
private boolean repeat;
private String audioTrackType;
private Dynamic audioTrackValue;
private ReadableArray audioTracks;
private String textTrackType;
private Dynamic textTrackValue;
private ReadableArray textTracks;
@@ -501,20 +504,43 @@ class ReactExoplayerView extends FrameLayout implements
private void videoLoaded() {
if (loadVideoStarted) {
loadVideoStarted = false;
setSelectedAudioTrack(audioTrackType, audioTrackValue);
setSelectedTextTrack(textTrackType, textTrackValue);
Format videoFormat = player.getVideoFormat();
int width = videoFormat != null ? videoFormat.width : 0;
int height = videoFormat != null ? videoFormat.height : 0;
eventEmitter.load(player.getDuration(), player.getCurrentPosition(), width, height,
getTextTrackInfo());
getAudioTrackInfo(), getTextTrackInfo());
}
}
private WritableArray getAudioTrackInfo() {
WritableArray audioTracks = Arguments.createArray();
MappingTrackSelector.MappedTrackInfo info = trackSelector.getCurrentMappedTrackInfo();
int index = getTrackRendererIndex(C.TRACK_TYPE_AUDIO);
if (info == null || index == C.INDEX_UNSET) {
return audioTracks;
}
TrackGroupArray groups = info.getTrackGroups(index);
for (int i = 0; i < groups.length; ++i) {
Format format = groups.get(i).getFormat(0);
WritableMap textTrack = Arguments.createMap();
textTrack.putInt("index", i);
textTrack.putString("title", format.id != null ? format.id : "");
textTrack.putString("type", format.sampleMimeType);
textTrack.putString("language", format.language != null ? format.language : "");
audioTracks.pushMap(textTrack);
}
return audioTracks;
}
private WritableArray getTextTrackInfo() {
WritableArray textTracks = Arguments.createArray();
MappingTrackSelector.MappedTrackInfo info = trackSelector.getCurrentMappedTrackInfo();
int index = getTextTrackRendererIndex();
int index = getTrackRendererIndex(C.TRACK_TYPE_TEXT);
if (info == null || index == C.INDEX_UNSET) {
return textTracks;
}
@@ -647,10 +673,10 @@ class ReactExoplayerView extends FrameLayout implements
return false;
}
public int getTextTrackRendererIndex() {
public int getTrackRendererIndex(int trackType) {
int rendererCount = player.getRendererCount();
for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
if (player.getRendererType(rendererIndex) == C.TRACK_TYPE_TEXT) {
if (player.getRendererType(rendererIndex) == trackType) {
return rendererIndex;
}
}
@@ -724,12 +750,9 @@ class ReactExoplayerView extends FrameLayout implements
this.repeat = repeat;
}
public void setSelectedTextTrack(String type, Dynamic value) {
textTrackType = type;
textTrackValue = value;
int index = getTextTrackRendererIndex();
if (index == C.INDEX_UNSET) {
public void setSelectedTrack(int trackType, String type, Dynamic value) {
int rendererIndex = getTrackRendererIndex(trackType);
if (rendererIndex == C.INDEX_UNSET) {
return;
}
MappingTrackSelector.MappedTrackInfo info = trackSelector.getCurrentMappedTrackInfo();
@@ -737,13 +760,15 @@ class ReactExoplayerView extends FrameLayout implements
return;
}
TrackGroupArray groups = info.getTrackGroups(index);
TrackGroupArray groups = info.getTrackGroups(rendererIndex);
int trackIndex = C.INDEX_UNSET;
trackSelector.setSelectionOverride(index, groups, null);
if (TextUtils.isEmpty(type)) {
// Do nothing
} else if (type.equals("disabled")) {
type = "default";
}
if (type.equals("disabled")) {
trackSelector.setSelectionOverride(rendererIndex, groups, null);
return;
} else if (type.equals("language")) {
for (int i = 0; i < groups.length; ++i) {
@@ -762,26 +787,25 @@ class ReactExoplayerView extends FrameLayout implements
}
}
} else if (type.equals("index")) {
trackIndex = value.asInt();
} else { // default. Use system settings if possible
int sdk = android.os.Build.VERSION.SDK_INT;
if (sdk>18 && groups.length>0) {
CaptioningManager captioningManager = (CaptioningManager) themedReactContext.getSystemService(Context.CAPTIONING_SERVICE);
if (captioningManager.isEnabled()) {
// default is to take the first object
trackIndex = 0;
String locale = Locale.getDefault().getDisplayLanguage();
for (int i = 0; i < groups.length; ++i) {
Format format = groups.get(i).getFormat(0);
if (format.language != null && format.language.equals(locale)) {
trackIndex = i;
break;
}
if (value.asInt() < groups.length) {
trackIndex = value.asInt();
}
} else { // default
if (rendererIndex == C.TRACK_TYPE_TEXT) { // Use system settings if possible
int sdk = android.os.Build.VERSION.SDK_INT;
if (sdk > 18 && groups.length > 0) {
CaptioningManager captioningManager
= (CaptioningManager)themedReactContext.getSystemService(Context.CAPTIONING_SERVICE);
if (captioningManager != null && captioningManager.isEnabled()) {
trackIndex = getTrackIndexForDefaultLocale(groups);
}
} else {
trackSelector.setSelectionOverride(rendererIndex, groups, null);
return;
}
} else return;
} else if (rendererIndex == C.TRACK_TYPE_AUDIO) {
trackIndex = getTrackIndexForDefaultLocale(groups);
}
}
if (trackIndex == C.INDEX_UNSET) {
@@ -791,8 +815,35 @@ class ReactExoplayerView extends FrameLayout implements
MappingTrackSelector.SelectionOverride override
= new MappingTrackSelector.SelectionOverride(
new FixedTrackSelection.Factory(), trackIndex, 0);
trackSelector.setSelectionOverride(index, groups, override);
new FixedTrackSelection.Factory(), trackIndex, 0);
trackSelector.setSelectionOverride(rendererIndex, groups, override);
}
private int getTrackIndexForDefaultLocale(TrackGroupArray groups) {
int trackIndex = 0; // default if no match
String locale2 = Locale.getDefault().getLanguage(); // 2 letter code
String locale3 = Locale.getDefault().getISO3Language(); // 3 letter code
for (int i = 0; i < groups.length; ++i) {
Format format = groups.get(i).getFormat(0);
String language = format.language;
if (language != null && (language.equals(locale2) || language.equals(locale3))) {
trackIndex = i;
break;
}
}
return trackIndex;
}
public void setSelectedAudioTrack(String type, Dynamic value) {
audioTrackType = type;
audioTrackValue = value;
setSelectedTrack(C.TRACK_TYPE_AUDIO, audioTrackType, audioTrackValue);
}
public void setSelectedTextTrack(String type, Dynamic value) {
textTrackType = type;
textTrackValue = value;
setSelectedTrack(C.TRACK_TYPE_TEXT, textTrackType, textTrackValue);
}
public void setPausedModifier(boolean paused) {

17
android-exoplayer/src/main/java/com/brentvatne/exoplayer/ReactExoplayerViewManager.java
View File

@@ -28,6 +28,9 @@ public class ReactExoplayerViewManager extends ViewGroupManager<ReactExoplayerVi
private static final String PROP_SRC_HEADERS = "requestHeaders";
private static final String PROP_RESIZE_MODE = "resizeMode";
private static final String PROP_REPEAT = "repeat";
private static final String PROP_SELECTED_AUDIO_TRACK = "selectedAudioTrack";
private static final String PROP_SELECTED_AUDIO_TRACK_TYPE = "type";
private static final String PROP_SELECTED_AUDIO_TRACK_VALUE = "value";
private static final String PROP_SELECTED_TEXT_TRACK = "selectedTextTrack";
private static final String PROP_SELECTED_TEXT_TRACK_TYPE = "type";
private static final String PROP_SELECTED_TEXT_TRACK_VALUE = "value";
@@ -127,6 +130,20 @@ public class ReactExoplayerViewManager extends ViewGroupManager<ReactExoplayerVi
videoView.setRepeatModifier(repeat);
}
@ReactProp(name = PROP_SELECTED_AUDIO_TRACK)
public void setSelectedAudioTrack(final ReactExoplayerView videoView,
@Nullable ReadableMap selectedAudioTrack) {
String typeString = null;
Dynamic value = null;
if (selectedAudioTrack != null) {
typeString = selectedAudioTrack.hasKey(PROP_SELECTED_AUDIO_TRACK_TYPE)
? selectedAudioTrack.getString(PROP_SELECTED_AUDIO_TRACK_TYPE) : null;
value = selectedAudioTrack.hasKey(PROP_SELECTED_AUDIO_TRACK_VALUE)
? selectedAudioTrack.getDynamic(PROP_SELECTED_AUDIO_TRACK_VALUE) : null;
}
videoView.setSelectedAudioTrack(typeString, value);
}
@ReactProp(name = PROP_SELECTED_TEXT_TRACK)
public void setSelectedTextTrack(final ReactExoplayerView videoView,
@Nullable ReadableMap selectedTextTrack) {

4
android-exoplayer/src/main/java/com/brentvatne/exoplayer/VideoEventEmitter.java
View File

@@ -109,6 +109,7 @@ class VideoEventEmitter {
private static final String EVENT_PROP_WIDTH = "width";
private static final String EVENT_PROP_HEIGHT = "height";
private static final String EVENT_PROP_ORIENTATION = "orientation";
private static final String EVENT_PROP_AUDIO_TRACKS = "audioTracks";
private static final String EVENT_PROP_TEXT_TRACKS = "textTracks";
private static final String EVENT_PROP_HAS_AUDIO_FOCUS = "hasAudioFocus";
private static final String EVENT_PROP_IS_BUFFERING = "isBuffering";
@@ -130,7 +131,7 @@ class VideoEventEmitter {
}
void load(double duration, double currentPosition, int videoWidth, int videoHeight,
WritableArray textTracks) {
WritableArray audioTracks, WritableArray textTracks) {
WritableMap event = Arguments.createMap();
event.putDouble(EVENT_PROP_DURATION, duration / 1000D);
event.putDouble(EVENT_PROP_CURRENT_TIME, currentPosition / 1000D);
@@ -145,6 +146,7 @@ class VideoEventEmitter {
}
event.putMap(EVENT_PROP_NATURAL_SIZE, naturalSize);
event.putArray(EVENT_PROP_AUDIO_TRACKS, audioTracks);
event.putArray(EVENT_PROP_TEXT_TRACKS, textTracks);
// TODO: Actually check if you can.