feat: playback speed controls

lib/screens/video_player_screen.dart

@@ -15,6 +15,7 @@ class VideoPlayerScreen extends StatefulWidget {
   final PlexMetadata metadata;
   final AudioTrack? preferredAudioTrack;
   final SubtitleTrack? preferredSubtitleTrack;
+  final double? preferredPlaybackRate;
   final PlexUserProfile? userProfile;
 
   const VideoPlayerScreen({
@@ -23,6 +24,7 @@ class VideoPlayerScreen extends StatefulWidget {
     required this.metadata,
     this.preferredAudioTrack,
     this.preferredSubtitleTrack,
+    this.preferredPlaybackRate,
     this.userProfile,
   });
 
@@ -545,6 +547,14 @@ class _VideoPlayerScreenState extends State<VideoPlayerScreen> {
       appLogger.i('Final subtitle selection: $finalSubtitle');
       player.setSubtitleTrack(subtitleToSelect);
 
+      // Set playback rate if preferred rate was provided
+      if (widget.preferredPlaybackRate != null) {
+        appLogger.d(
+          'Setting preferred playback rate: ${widget.preferredPlaybackRate}x',
+        );
+        player.setRate(widget.preferredPlaybackRate!);
+      }
+
       appLogger.d('Track selection complete');
     }
 
@@ -621,6 +631,7 @@ class _VideoPlayerScreenState extends State<VideoPlayerScreen> {
 
     // Navigate to the next episode using pushReplacement to destroy current player
     if (mounted) {
+      final currentRate = player.state.rate;
       Navigator.of(context).pushReplacement(
         MaterialPageRoute(
           builder: (context) => VideoPlayerScreen(
@@ -628,6 +639,7 @@ class _VideoPlayerScreenState extends State<VideoPlayerScreen> {
             metadata: _nextEpisode!,
             preferredAudioTrack: currentAudioTrack,
             preferredSubtitleTrack: currentSubtitleTrack,
+            preferredPlaybackRate: currentRate,
             userProfile: widget.userProfile,
           ),
         ),
@@ -649,6 +661,7 @@ class _VideoPlayerScreenState extends State<VideoPlayerScreen> {
 
     // Navigate to the previous episode using pushReplacement to destroy current player
     if (mounted) {
+      final currentRate = player.state.rate;
       Navigator.of(context).pushReplacement(
         MaterialPageRoute(
           builder: (context) => VideoPlayerScreen(
@@ -656,6 +669,7 @@ class _VideoPlayerScreenState extends State<VideoPlayerScreen> {
             metadata: _previousEpisode!,
             preferredAudioTrack: currentAudioTrack,
             preferredSubtitleTrack: currentSubtitleTrack,
+            preferredPlaybackRate: currentRate,
             userProfile: widget.userProfile,
           ),
         ),

lib/widgets/plex_video_controls.dart

@@ -205,6 +205,10 @@ class _PlexVideoControlsState extends State<PlexVideoControls>
         return Row(
           mainAxisSize: MainAxisSize.min,
           children: [
+            IconButton(
+              icon: const Icon(Icons.speed, color: Colors.white),
+              onPressed: _showPlaybackSpeedBottomSheet,
+            ),
             if (_hasMultipleAudioTracks(tracks))
               IconButton(
                 icon: const Icon(Icons.audiotrack, color: Colors.white),
@@ -1578,6 +1582,91 @@ class _PlexVideoControlsState extends State<PlexVideoControls>
     );
   }
 
+  void _showPlaybackSpeedBottomSheet() {
+    showModalBottomSheet(
+      context: context,
+      backgroundColor: Colors.grey[900],
+      isScrollControlled: true,
+      constraints: _getBottomSheetConstraints(),
+      builder: (context) => StreamBuilder<double>(
+        stream: widget.player.stream.rate,
+        initialData: widget.player.state.rate,
+        builder: (context, snapshot) {
+          final currentRate = snapshot.data ?? 1.0;
+
+          // Define available playback speeds
+          final speeds = [0.5, 0.75, 1.0, 1.25, 1.5, 2.0];
+
+          return SafeArea(
+            child: SizedBox(
+              height: MediaQuery.of(context).size.height * 0.75,
+              child: Column(
+                children: [
+                  Padding(
+                    padding: const EdgeInsets.all(16),
+                    child: Row(
+                      children: [
+                        const Icon(Icons.speed, color: Colors.white),
+                        const SizedBox(width: 12),
+                        const Text(
+                          'Playback Speed',
+                          style: TextStyle(
+                            color: Colors.white,
+                            fontSize: 18,
+                            fontWeight: FontWeight.bold,
+                          ),
+                        ),
+                        const Spacer(),
+                        IconButton(
+                          icon: const Icon(Icons.close, color: Colors.white),
+                          onPressed: () => Navigator.pop(context),
+                        ),
+                      ],
+                    ),
+                  ),
+                  const Divider(color: Colors.white24, height: 1),
+                  Expanded(
+                    child: ListView.builder(
+                      itemCount: speeds.length,
+                      itemBuilder: (context, index) {
+                        final speed = speeds[index];
+                        final isSelected = (currentRate - speed).abs() < 0.01;
+
+                        // Format speed label
+                        final label = speed == 1.0
+                            ? 'Normal'
+                            : '${speed.toStringAsFixed(2)}x';
+
+                        return ListTile(
+                          title: Text(
+                            label,
+                            style: TextStyle(
+                              color: isSelected ? Colors.blue : Colors.white,
+                            ),
+                          ),
+                          trailing: isSelected
+                              ? const Icon(
+                                  Icons.check,
+                                  color: Colors.blue,
+                                )
+                              : null,
+                          onTap: () {
+                            widget.player.setRate(speed);
+                            Navigator.pop(context);
+                          },
+                        );
+                      },
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+
   String _formatDuration(Duration duration) {
     final hours = duration.inHours;
     final minutes = duration.inMinutes.remainder(60);