feat: Stream - Add StreamItemState field

feat: Player - new StreamStateChanged action for player

Signed-off-by: Lachezar Lechev <lachezar@ambire.com>

src/routes/Player/usePlayer.d.ts

@@ -6,6 +6,7 @@ declare const usePlayer: (urlParams: UrlParams) => [
     pausedChanged: (paused: boolean) => void, () => void, () => void,
     ended: () => void,
     nextVideo: () => void,
+    streamStateChanged: (state: StreamItemState ) => void,
 ];
 
 export = usePlayer;

src/routes/Player/usePlayer.js

@@ -153,8 +153,18 @@ const usePlayer = (urlParams) => {
         }, 'player');
     }, []);
 
+    const streamStateChanged = React.useCallback((streamStateChanged) => {
+        core.transport.dispatch({
+            action: 'Player',
+            args: {
+                action: 'StreamStateChanged',
+                args: { state: streamStateChanged }
+            }
+        }, 'player');
+    }, []);
+
     const player = useModelState({ model: 'player', action, map });
-    return [player, videoParamsChanged, timeChanged, seek, pausedChanged, ended, nextVideo];
+    return [player, videoParamsChanged, timeChanged, seek, pausedChanged, ended, nextVideo, streamStateChanged];
 };
 
 module.exports = usePlayer;

src/types/Stream.d.ts

@@ -16,3 +16,52 @@ type Stream = {
         externalPlayer: ExternalPlayerLinks,
     },
 };
+
+type StreamItemState = {
+    subtitleTrack?: StreamSubtitleTrack;
+    /**
+     * In milliseconds
+     */
+    subtitleDelay?: number;
+    /**
+     * Subtitles size, platform-dependent units
+     */
+    subtitleSize?: number;
+    /**
+     * Vertical offset of the subtitles, platform-dependent units
+     */
+    subtitleOffset?: number;
+    audioTrack?: StreamAudioTrack;
+    /**
+     * In milliseconds
+     */
+    audioDelay?: number;
+    playbackSpeed?: number;
+    playerType?: string;
+};
+
+type StreamSubtitleTrack = {
+    /**
+     * Id of the subtitle track
+     */
+    id: string;
+    /**
+     * Flag indicating whether this is an embedded subtitle or an addon subtitle
+     */
+    embedded: boolean;
+    /**
+     * Optional string indicating subtitle language
+     */
+    language?: string;
+};
+
+type StreamAudioTrack = {
+    /**
+     * Id of the audio track
+     */
+    id: string;
+    /**
+     * Optional string indicating audio language
+     */
+    language?: string;
+};

src/types/models/Player.d.ts

@@ -41,6 +41,7 @@ type Player = {
         streamRequest: ResourceRequest,
         subtitlesPath: ResourceRequestPath,
     } | null,
+    stream_state: StreamItemState | null,
     seriesInfo: SeriesInfo | null,
     subtitles: Subtitle[],
     title: string | null,