feat: 滤镜调色引擎 - 8种预设 + 基础调色 + 分段应用 (#300)

feat: 滤镜调色引擎 - 8种预设 + 基础调色

apps/worker/video_processing/unified_render_service.py

@@ -28,6 +28,7 @@ from dataclasses import dataclass, field
 from pathlib import Path
 from typing import Any
 
+from video_processing.color_grade_engine import ColorGradeConfig, ColorGradeEngine
 from video_processing.ffmpeg_utils import (
     DEFAULT_FPS,
     DEFAULT_OUTPUT_HEIGHT,
@@ -740,6 +741,13 @@ class UnifiedRenderService:
             filters.append(f"scale={self.output_width}:{self.output_height}" ":force_original_aspect_ratio=increase")
             filters.append(f"crop={self.output_width}:{self.output_height}")
 
+        # 调色滤镜
+        color_grade = ColorGradeConfig.from_dict(clip.config.get("color_grade"))
+        if color_grade.enabled and color_grade.has_effect():
+            grade_filter = ColorGradeEngine.build_filter(color_grade)
+            if grade_filter:
+                filters.append(grade_filter)
+
         filters.append("setpts=PTS-STARTPTS")
         filters.append(f"fps={self.output_fps}")
         filters.append("format=yuv420p")
@@ -953,6 +961,13 @@ class UnifiedRenderService:
                 )
                 filters.append(f"crop={self.output_width}:{self.output_height}")
 
+            # 调色滤镜（每个 clip 独立的 color grade 配置）
+            color_grade = ColorGradeConfig.from_dict(clip.config.get("color_grade"))
+            if color_grade.enabled and color_grade.has_effect():
+                grade_filter = ColorGradeEngine.build_filter(color_grade)
+                if grade_filter:
+                    filters.append(grade_filter)
+
             filters.append("setpts=PTS-STARTPTS")
             filters.append(f"fps={self.output_fps}")