railbird/react-native-video
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First pass at text track selection, mostly complete

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This commit is contained in:
Hampton Maxwell 2018-06-02 02:24:13 -07:00
parent 8858574405
commit 9764fe3be4
5 changed files with 130 additions and 1 deletions
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7
Video.js
View File

@ -274,6 +274,13 @@ Video.propTypes = {
poster: PropTypes.string,
posterResizeMode: Image.propTypes.resizeMode,
repeat: PropTypes.bool,
selectedTextTrack: PropTypes.shape({
type: PropTypes.string.isRequired,
value: PropTypes.oneOfType([
PropTypes.string,
PropTypes.number
])
}),
paused: PropTypes.bool,
muted: PropTypes.bool,
volume: PropTypes.number,

63
android-exoplayer/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java
View File

@ -16,6 +16,7 @@ import android.widget.FrameLayout;
import com.brentvatne.react.R;
import com.brentvatne.receiver.AudioBecomingNoisyReceiver;
import com.brentvatne.receiver.BecomingNoisyListener;
import com.facebook.react.bridge.Dynamic;
import com.facebook.react.bridge.LifecycleEventListener;
import com.facebook.react.uimanager.ThemedReactContext;
import com.google.android.exoplayer2.C;
@ -45,6 +46,7 @@ import com.google.android.exoplayer2.source.smoothstreaming.DefaultSsChunkSource
import com.google.android.exoplayer2.source.smoothstreaming.SsMediaSource;
import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
import com.google.android.exoplayer2.trackselection.FixedTrackSelection;
import com.google.android.exoplayer2.trackselection.MappingTrackSelector;
import com.google.android.exoplayer2.trackselection.TrackSelection;
import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
@ -535,7 +537,8 @@ class ReactExoplayerView extends FrameLayout implements
decoderInitializationException.decoderName);
}
}
} else if (e.type == ExoPlaybackException.TYPE_SOURCE) {
}
else if (e.type == ExoPlaybackException.TYPE_SOURCE) {
ex = e.getSourceException();
errorString = getResources().getString(R.string.unrecognized_media_format);
}
@ -565,6 +568,16 @@ class ReactExoplayerView extends FrameLayout implements
return false;
}
public int getTextTrackRendererIndex() {
int rendererCount = player.getRendererCount();
for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
if (player.getRendererType(rendererIndex) == C.TRACK_TYPE_TEXT) {
return rendererIndex;
}
}
return C.INDEX_UNSET;
}
@Override
public void onMetadata(Metadata metadata) {
eventEmitter.timedMetadata(metadata);
@ -626,6 +639,54 @@ class ReactExoplayerView extends FrameLayout implements
this.repeat = repeat;
}
public void setSelectedTextTrack(String type, Dynamic value) {
int index = getTextTrackRendererIndex();
if (index == C.INDEX_UNSET) {
return;
}
MappingTrackSelector.MappedTrackInfo info = trackSelector.getCurrentMappedTrackInfo();
if (info == null) {
return;
}
TrackGroupArray groups = info.getTrackGroups(index);
int trackIndex = C.INDEX_UNSET;
if (TextUtils.isEmpty(type)) {
// Do nothing
} else if (type.equals("language")) {
for (int i = 0; i < groups.length; ++i) {
Format format = groups.get(i).getFormat(0);
if (format.language != null && format.language.equals(value.asString())) {
trackIndex = i;
break;
}
}
} else if (type.equals("title")) {
for (int i = 0; i < groups.length; ++i) {
Format format = groups.get(i).getFormat(0);
if (format.id != null && format.id.equals(value.asString())) {
trackIndex = i;
break;
}
}
} else if (type.equals("index")) {
trackIndex = value.asInt();
} else { // default. invalid type or "system"
trackSelector.clearSelectionOverrides(index);
return;
}
if (trackIndex == C.INDEX_UNSET) {
trackSelector.clearSelectionOverrides(trackIndex);
return;
}
MappingTrackSelector.SelectionOverride override
= new MappingTrackSelector.SelectionOverride(
new FixedTrackSelection.Factory(), trackIndex, 0);
trackSelector.setSelectionOverride(index, groups, override);
}
public void setPausedModifier(boolean paused) {
isPaused = paused;
if (player != null) {

14
android-exoplayer/src/main/java/com/brentvatne/exoplayer/ReactExoplayerViewManager.java
View File

@ -4,6 +4,7 @@ import android.content.Context;
import android.net.Uri;
import android.text.TextUtils;
import com.facebook.react.bridge.Dynamic;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.common.MapBuilder;
import com.facebook.react.uimanager.ThemedReactContext;
@ -24,6 +25,9 @@ public class ReactExoplayerViewManager extends ViewGroupManager<ReactExoplayerVi
private static final String PROP_SRC_TYPE = "type";
private static final String PROP_RESIZE_MODE = "resizeMode";
private static final String PROP_REPEAT = "repeat";
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";
private static final String PROP_PAUSED = "paused";
private static final String PROP_MUTED = "muted";
private static final String PROP_VOLUME = "volume";
@ -116,6 +120,16 @@ public class ReactExoplayerViewManager extends ViewGroupManager<ReactExoplayerVi
videoView.setRepeatModifier(repeat);
}
@ReactProp(name = PROP_SELECTED_TEXT_TRACK)
public void setSelectedTextTrack(final ReactExoplayerView videoView,
@Nullable ReadableMap selectedTextTrack) {
String typeString = selectedTextTrack.hasKey(PROP_SELECTED_TEXT_TRACK_TYPE)
? selectedTextTrack.getString(PROP_SELECTED_TEXT_TRACK_TYPE) : null;
Dynamic value = selectedTextTrack.hasKey(PROP_SELECTED_TEXT_TRACK_VALUE)
? selectedTextTrack.getDynamic(PROP_SELECTED_TEXT_TRACK_VALUE) : null;
videoView.setSelectedTextTrack(typeString, value);
}
@ReactProp(name = PROP_PAUSED, defaultBoolean = false)
public void setPaused(final ReactExoplayerView videoView, final boolean paused) {
videoView.setPausedModifier(paused);

46
ios/RCTVideo.m
View File

@ -40,6 +40,7 @@ static NSString *const timedMetadata = @"timedMetadata";
BOOL _muted;
BOOL _paused;
BOOL _repeat;
NSDictionary * _selectedTextTrack;
BOOL _playbackStalled;
BOOL _playInBackground;
BOOL _playWhenInactive;
@ -625,6 +626,7 @@ static NSString *const timedMetadata = @"timedMetadata";
[_player setMuted:NO];
}
[self setSelectedTextTrack:_selectedTextTrack];
[self setResizeMode:_resizeMode];
[self setRepeat:_repeat];
[self setPaused:_paused];
@ -635,6 +637,50 @@ static NSString *const timedMetadata = @"timedMetadata";
_repeat = repeat;
}
- (void)setSelectedTextTrack:(NSDictionary *)selectedTextTrack {
_selectedTextTrack = selectedTextTrack;
NSString *type = selectedTextTrack[@"type"];
AVMediaSelectionGroup *group = [_player.currentItem.asset
mediaSelectionGroupForMediaCharacteristic:AVMediaCharacteristicLegible];
AVMediaSelectionOption *option;
if ([type isEqualToString:@"disabled"]) {
// Do nothing. We want to ensure option is nil
} else if ([type isEqualToString:@"language"] || [type isEqualToString:@"title"]) {
NSString *value = selectedTextTrack[@"value"];
for (int i = 0; i < group.options.count; ++i) {
AVMediaSelectionOption *currentOption = [group.options objectAtIndex:i];
NSString *optionValue;
if ([type isEqualToString:@"language"]) {
optionValue = [currentOption extendedLanguageTag];
} else {
optionValue = [[[currentOption commonMetadata]
valueForKey:@"value"]
objectAtIndex:0];
}
if ([value isEqualToString:optionValue]) {
option = currentOption;
break;
}
}
} else if ([type isEqualToString:@"index"]) {
if ([selectedTextTrack[@"value"] isKindOfClass:[NSNumber class]]) {
int index = [selectedTextTrack[@"value"] intValue];
if (group.options.count > index) {
option = [group.options objectAtIndex:index];
}
}
} else { // default. invalid type or "system"
// _player.appliesMediaSelectionCriteriaAutomatically = YES;
return;
}
// If a match isn't found, option will be nil and text tracks will be disabled
// _player.appliesMediaSelectionCriteriaAutomatically = NO;
[_player.currentItem selectMediaOption:option inMediaSelectionGroup:group];
}
- (BOOL)getFullscreen
{
return _fullscreenPlayerPresented;

1
ios/RCTVideoManager.m
View File

@ -22,6 +22,7 @@ RCT_EXPORT_MODULE();
RCT_EXPORT_VIEW_PROPERTY(src, NSDictionary);
RCT_EXPORT_VIEW_PROPERTY(resizeMode, NSString);
RCT_EXPORT_VIEW_PROPERTY(repeat, BOOL);
RCT_EXPORT_VIEW_PROPERTY(selectedTextTrack, NSDictionary);
RCT_EXPORT_VIEW_PROPERTY(paused, BOOL);
RCT_EXPORT_VIEW_PROPERTY(muted, BOOL);
RCT_EXPORT_VIEW_PROPERTY(controls, BOOL);