Implement video region support

src/player/playlist.js

@@ -73,11 +73,11 @@ function createPlayerPlaylistService(options) {
         return payloadWithoutPlaylist;
       }
 
-      const [playlistRows] = await pool.query('SELECT id, name, fade_between_slides, skip_unavailable_rtmp, created_at, modified_at, created_by, modified_by FROM playlists WHERE id = ?', [screen.playlist_id]);
+            const [playlistRows] = await pool.query('SELECT id, name, fade_between_slides, skip_unavailable_rtmp, created_at, modified_at, created_by, modified_by FROM playlists WHERE id = ?', [screen.playlist_id]);
       const playlist = playlistRows[0] || null;
       const [slideRows] = await pool.query(`
-        SELECT sl.id, sl.title, sl.body, sl.template_id, sl.content_json, sl.media_path, sl.media_type, sl.created_at, sl.modified_at,
-               ps.position, ps.duration_seconds AS duration_seconds, ps.schedule_mode, ps.schedule_start_datetime, ps.schedule_end_datetime, ps.schedule_start_time, ps.schedule_end_time, ps.schedule_days_json,
+         SELECT sl.id, sl.title, sl.body, sl.template_id, sl.content_json, sl.media_path, sl.media_type, sl.created_at, sl.modified_at,
+           ps.position, ps.duration_seconds AS duration_seconds, ps.use_video_duration, ps.schedule_mode, ps.schedule_start_datetime, ps.schedule_end_datetime, ps.schedule_start_time, ps.schedule_end_time, ps.schedule_days_json,
                st.name AS template_name, cs.name AS canvas_size_name, cs.width AS canvas_size_width, cs.height AS canvas_size_height, cs.width AS canvas_width, cs.height AS canvas_height
         FROM playlist_slides ps
         JOIN slides sl ON sl.id = ps.slide_id
@@ -108,12 +108,46 @@ function createPlayerPlaylistService(options) {
         });
       }
 
+      function getVideoRegionDurationSeconds(contentJson) {
+        if (!contentJson) {
+          return null;
+        }
+
+        try {
+          const parsed = common.parseJsonSafe(contentJson) || {};
+          if (!parsed || typeof parsed !== 'object') {
+            return null;
+          }
+
+          const videoRegion = Object.keys(parsed).map(function (key) { return parsed[key]; }).find(function (region) {
+            return region && typeof region === 'object' && String(region.type || '').trim().toLowerCase() === 'video' && Number(region.duration_seconds || 0) > 0;
+          });
+
+          const duration = Math.round(Number(videoRegion && videoRegion.duration_seconds || 0) * 1000) / 1000;
+          return Number.isFinite(duration) && duration > 0 ? duration : null;
+        } catch (_error) {
+          return null;
+        }
+      }
+
       const slides = slideRows.map(function (slide) {
+        const storedDuration = Number(slide.duration_seconds || 0);
+        const videoDuration = slide.use_video_duration ? getVideoRegionDurationSeconds(slide.content_json) : null;
+        const videoCacheBust = String(slide.modified_at || slide.content_json || slide.id || '');
+        const content = common.parseJsonSafe(slide.content_json) || {};
+        Object.keys(content).forEach(function (key) {
+          const region = content[key];
+          if (region && typeof region === 'object' && String(region.type || '').trim().toLowerCase() === 'video') {
+            region.cache_bust = videoCacheBust;
+          }
+        });
         return {
           id: slide.id,
           title: slide.title,
           body: slide.body,
-          duration_seconds: slide.duration_seconds,
+          modified_at: slide.modified_at,
+          duration_seconds: videoDuration || storedDuration,
+          use_video_duration: Boolean(slide.use_video_duration),
           schedule_mode: slide.schedule_mode,
           schedule_start_datetime: slide.schedule_start_datetime,
           schedule_end_datetime: slide.schedule_end_datetime,
@@ -125,7 +159,7 @@ function createPlayerPlaylistService(options) {
           kind: common.mediaKind(slide.media_path),
           template_id: slide.template_id,
           template: slide.template_id ? templatesById[slide.template_id] || null : null,
-          content: common.parseJsonSafe(slide.content_json) || {}
+          content: content
         };
       });
 
@@ -193,6 +227,7 @@ function createPlayerPlaylistService(options) {
       updatePlaylistRevisionHash(hash, slide.modified_at);
       updatePlaylistRevisionHash(hash, slide.position);
       updatePlaylistRevisionHash(hash, slide.duration_seconds);
+      updatePlaylistRevisionHash(hash, slide.use_video_duration);
       updatePlaylistRevisionHash(hash, slide.schedule_mode);
       updatePlaylistRevisionHash(hash, slide.schedule_start_datetime);
       updatePlaylistRevisionHash(hash, slide.schedule_end_datetime);