Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,59 @@
+import 'dart:io' show Platform;
+
+import '../../../providers/player_engine_override_provider.dart';
+
+
+enum PlayerEngineKind { fvp, mpv, media3 }
+
+PlayerEngineKind? playerEngineKindFromDisplayName(String displayName) {
+  return switch (displayName) {
+    'fvp' => PlayerEngineKind.fvp,
+    'mpv' => PlayerEngineKind.mpv,
+    'media3' => PlayerEngineKind.media3,
+    _ => null,
+  };
+}
+
+
+PlayerEngineKind? nextAutoFallbackEngine({
+  required PlayerEngineOverride override,
+  required PlayerEngineKind? failedEngineKind,
+  required bool isDolbyVision,
+}) {
+  if (override != PlayerEngineOverride.auto) return null;
+  return switch (failedEngineKind) {
+    PlayerEngineKind.media3 =>
+      isDolbyVision ? PlayerEngineKind.fvp : PlayerEngineKind.mpv,
+    PlayerEngineKind.mpv => PlayerEngineKind.fvp,
+    PlayerEngineKind.fvp || null => null,
+  };
+}
+
+
+PlayerEngineKind resolvePlayerEngineKind(
+  PlayerEngineOverride override, {
+  required bool isDolbyVision,
+  String? videoCodec,
+  bool? isAndroid,
+}) {
+  final onAndroid = isAndroid ?? Platform.isAndroid;
+  final codec = videoCodec?.toLowerCase();
+  final isProRes = codec == 'prores';
+  switch (override) {
+    case PlayerEngineOverride.fvp:
+      return PlayerEngineKind.fvp;
+    case PlayerEngineOverride.mpv:
+      return PlayerEngineKind.mpv;
+    case PlayerEngineOverride.media3:
+      if (!onAndroid) return PlayerEngineKind.mpv;
+      if (isProRes) return PlayerEngineKind.fvp;
+      return PlayerEngineKind.media3;
+    case PlayerEngineOverride.auto:
+      if (onAndroid) {
+        if (isProRes) return PlayerEngineKind.fvp;
+        return PlayerEngineKind.media3;
+      }
+      if (isDolbyVision || isProRes) return PlayerEngineKind.fvp;
+      return PlayerEngineKind.mpv;
+  }
+}