feat: expose playback speed control to Flutter on iOS

example/ios/Flutter/ephemeral/flutter_lldb_helper.py

@@ -0,0 +1,32 @@
+#
+# Generated file, do not edit.
+#
+
+import lldb
+
+def handle_new_rx_page(frame: lldb.SBFrame, bp_loc, extra_args, intern_dict):
+    """Intercept NOTIFY_DEBUGGER_ABOUT_RX_PAGES and touch the pages."""
+    base = frame.register["x0"].GetValueAsAddress()
+    page_len = frame.register["x1"].GetValueAsUnsigned()
+
+    # Note: NOTIFY_DEBUGGER_ABOUT_RX_PAGES will check contents of the
+    # first page to see if handled it correctly. This makes diagnosing
+    # misconfiguration (e.g. missing breakpoint) easier.
+    data = bytearray(page_len)
+    data[0:8] = b'IHELPED!'
+
+    error = lldb.SBError()
+    frame.GetThread().GetProcess().WriteMemory(base, data, error)
+    if not error.Success():
+        print(f'Failed to write into {base}[+{page_len}]', error)
+        return
+
+def __lldb_init_module(debugger: lldb.SBDebugger, _):
+    target = debugger.GetDummyTarget()
+    # Caveat: must use BreakpointCreateByRegEx here and not
+    # BreakpointCreateByName. For some reasons callback function does not
+    # get carried over from dummy target for the later.
+    bp = target.BreakpointCreateByRegex("^NOTIFY_DEBUGGER_ABOUT_RX_PAGES$")
+    bp.SetScriptCallbackFunction('{}.handle_new_rx_page'.format(__name__))
+    bp.SetAutoContinue(True)
+    print("-- LLDB integration loaded --")

example/ios/Flutter/ephemeral/flutter_lldbinit

@@ -0,0 +1,5 @@
+#
+# Generated file, do not edit.
+#
+
+command script import --relative-to-command-file flutter_lldb_helper.py

example/pubspec.lock

@@ -36,26 +36,26 @@ packages:
     dependency: transitive
     description:
       name: characters
-      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.4.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.2"
   collection:
     dependency: transitive
     description:
       name: collection
-      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
       url: "https://pub.dev"
     source: hosted
-    version: "1.18.0"
+    version: "1.19.1"
   csslib:
     dependency: transitive
     description:
@@ -84,10 +84,10 @@ packages:
     dependency: transitive
     description:
       name: fake_async
-      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "1.3.3"
   ffi:
     dependency: transitive
     description:
@@ -147,34 +147,34 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "3f87a60e8c63aecc975dda1ceedbc8f24de75f09e4856ea27daf8958f2f0ce05"
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.5"
+    version: "11.0.2"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "932549fb305594d82d7183ecd9fa93463e9914e1b67cacc34bc40906594a1806"
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.5"
+    version: "3.0.10"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.16+1"
+    version: "0.12.17"
   material_color_utilities:
     dependency: transitive
     description:
@@ -187,10 +187,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: bdb68674043280c3428e9ec998512fb681678676b3c54e773629ffe74419f8c7
+      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
       url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   package_info_plus:
     dependency: transitive
     description:
@@ -211,10 +211,10 @@ packages:
     dependency: transitive
     description:
       name: path
-      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
       url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
   path_provider:
     dependency: "direct main"
     description:
@@ -299,7 +299,7 @@ packages:
     dependency: transitive
     description: flutter
     source: sdk
-    version: "0.0.99"
+    version: "0.0.0"
   source_span:
     dependency: transitive
     description:
@@ -312,18 +312,18 @@ packages:
     dependency: transitive
     description:
       name: stack_trace
-      sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.1"
+    version: "1.12.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
   string_scanner:
     dependency: transitive
     description:
@@ -344,10 +344,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "5b8a98dafc4d5c4c9c72d8b31ab2b23fc13422348d2997120294d3bac86b4ddb"
+      sha256: "522f00f556e73044315fa4585ec3270f1808a4b186c936e612cab0b565ff1e00"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.2"
+    version: "0.7.6"
   typed_data:
     dependency: transitive
     description:
@@ -360,10 +360,10 @@ packages:
     dependency: transitive
     description:
       name: vector_math
-      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.4"
+    version: "2.2.0"
   visibility_detector:
     dependency: transitive
     description:
@@ -429,5 +429,5 @@ packages:
     source: hosted
     version: "6.5.0"
 sdks:
-  dart: ">=3.5.0 <4.0.0"
+  dart: ">=3.8.0-0 <4.0.0"
   flutter: ">=3.24.0"

ios/Classes/FLTBetterPlayerPlugin.swift

@@ -760,39 +760,12 @@ class FLTBetterPlayer: NSObject, FlutterTexture, FlutterStreamHandler {
     }
 
     // Set the playback speed
-    func setSpeed(_ speed: Double, result: @escaping FlutterResult) {
-        if speed == 1.0 || speed == 0.0 {
-            playerRate = 1.0
-            result(nil)
-        } else if speed < 0 || speed > 2.0 {
-            result(FlutterError(
-                code: "unsupported_speed",
-                message: "Speed must be >= 0.0 and <= 2.0",
-                details: nil
-            ))
-        } else if (speed > 1.0 && player.currentItem?.canPlayFastForward == true) ||
-                (speed < 1.0 && player.currentItem?.canPlaySlowForward == true) {
-            playerRate = Float(speed)
-            result(nil)
-        } else {
-            if speed > 1.0 {
-                result(FlutterError(
-                    code: "unsupported_fast_forward",
-                    message: "This video cannot be played fast forward",
-                    details: nil
-                ))
-            } else {
-                result(FlutterError(
-                    code: "unsupported_slow_forward",
-                    message: "This video cannot be played slow forward",
-                    details: nil
-                ))
-            }
-        }
+    func setSpeed(_ speed: Double) {
+        playerRate = Float(speed)
 
         // Apply rate if currently playing
         if isPlaying {
-            player.rate = Float(playerRate)
+            player.rate = playerRate
         }
     }
 
@@ -1507,6 +1480,13 @@ public class FLTBetterPlayerPlugin: NSObject, FlutterPlugin {
                 }
                 result(nil)
 
+            case "setSpeed":
+                // Set playback speed
+                if let speed = argsMap["speed"] as? Double {
+                    player.setSpeed(speed)
+                }
+                result(nil)
+
             case "setMixWithOthers":
                 // Configure audio mixing behavior
                 if let mixWithOthers = argsMap["mixWithOthers"] as? Bool {

lib/src/core/better_player_controller.dart

@@ -352,6 +352,23 @@ class BetterPlayerController {
     return videoPlayerController!.isPlaying;
   }
 
+  /// Sets the playback speed of the video.
+  ///
+  /// [speed] indicates a speed value with 0.0 to 2.0 range.
+  /// A value of 1.0 is normal speed.
+  ///
+  /// Throws [ArgumentError] if speed is not between 0.0 and 2.0.
+  /// Throws [StateError] if the data source has not been initialized.
+  Future<void> setSpeed(double speed) async {
+    if (videoPlayerController == null) {
+      throw StateError("The data source has not been initialized");
+    }
+    if (speed < 0.0 || speed > 2.0) {
+      throw ArgumentError.value(speed, 'speed', 'Must be between 0.0 and 2.0');
+    }
+    await videoPlayerController!.setSpeed(speed);
+  }
+
   ///Flag which determines whenever player is loading video data or not.
   bool? isBuffering() {
     if (videoPlayerController == null) {

lib/src/video_player/method_channel_video_player.dart

@@ -213,6 +213,17 @@ class MethodChannelVideoPlayer extends VideoPlayerPlatform {
     );
   }
 
+  @override
+  Future<void> setSpeed(int? textureId, double speed) {
+    return _channel.invokeMethod<void>(
+      'setSpeed',
+      <String, dynamic>{
+        'textureId': textureId,
+        'speed': speed,
+      },
+    );
+  }
+
   @override
   Future<void> setMixWithOthers(int? textureId, bool mixWithOthers) {
     return _channel.invokeMethod<void>(

lib/src/video_player/video_player.dart

@@ -515,6 +515,26 @@ class VideoPlayerController extends ValueNotifier<VideoPlayerValue> {
     _videoPlayerPlatform.setAudioTrack(_textureId, name, index);
   }
 
+  /// Sets the playback speed of the video.
+  ///
+  /// [speed] indicates a speed value with 0.0 to 2.0 range.
+  /// A value of 1.0 is normal speed.
+  ///
+  /// Throws [ArgumentError] if speed is not between 0.0 and 2.0.
+  Future<void> setSpeed(double speed) async {
+    if (_isDisposed) {
+      return;
+    }
+    if (speed < 0 || speed > 2.0) {
+      throw ArgumentError.value(
+        speed,
+        'speed',
+        'Speed must be between 0.0 and 2.0',
+      );
+    }
+    await _videoPlayerPlatform.setSpeed(_textureId, speed);
+  }
+
   void setMixWithOthers(bool mixWithOthers) {
     _videoPlayerPlatform.setMixWithOthers(_textureId, mixWithOthers);
   }

lib/src/video_player/video_player_platform_interface.dart

@@ -144,6 +144,10 @@ abstract class VideoPlayerPlatform {
     throw UnimplementedError('setAudio() has not been implemented.');
   }
 
+  Future<void> setSpeed(int? textureId, double speed) {
+    throw UnimplementedError('setSpeed() has not been implemented.');
+  }
+
   Future<void> setMixWithOthers(int? textureId, bool mixWithOthers) {
     throw UnimplementedError('setMixWithOthers() has not been implemented.');
   }