[*] refactor video editor

Author: heng30

lib/video-editor/examples/draw_shapes_demo.rs

@@ -3,7 +3,7 @@ use std::{fs, path::PathBuf, time::Duration};
 use video_editor::{
     Result,
     filters::traits::{VideoData, VideoFilter, VideoFilterConfig},
-    filters::video::{DrawCircleFilter, DrawRectangleFilter},
+    filters::graph::{DrawCircleFilter, DrawRectangleFilter},
     metadata::Metadata,
     tracks::video_frame_cache::VideoImage,
 };
@@ -45,7 +45,6 @@ fn apply_filter_to_image(
         config: VideoFilterConfig::new(width, height, fps),
         frames: vec![VideoImage::Image {
             buffer,
-            is_opaque: false,
         }],
         from_segment: create_dummy_segment(),
         relative_timeline_offset: Duration::ZERO,
@@ -130,7 +129,6 @@ fn main() -> Result<()> {
         config: VideoFilterConfig::new(width, height, fps),
         frames: vec![VideoImage::Image {
             buffer: img5,
-            is_opaque: false,
         }],
         from_segment: create_dummy_segment(),
         relative_timeline_offset: Duration::ZERO,
@@ -177,7 +175,6 @@ fn main() -> Result<()> {
         config: VideoFilterConfig::new(width, height, fps),
         frames: vec![VideoImage::Image {
             buffer: img6,
-            is_opaque: false,
         }],
         from_segment: create_dummy_segment(),
         relative_timeline_offset: Duration::ZERO,
@@ -221,7 +218,6 @@ fn main() -> Result<()> {
             config: VideoFilterConfig::new(width, height, fps),
             frames: vec![VideoImage::Image {
                 buffer: img,
-                is_opaque: false,
             }],
             from_segment: create_dummy_segment(),
             relative_timeline_offset: frame_time,
@@ -256,7 +252,6 @@ fn main() -> Result<()> {
             config: VideoFilterConfig::new(width, height, fps),
             frames: vec![VideoImage::Image {
                 buffer: img,
-                is_opaque: false,
             }],
             from_segment: create_dummy_segment(),
             relative_timeline_offset: frame_time,
@@ -278,7 +273,6 @@ fn main() -> Result<()> {
         config: VideoFilterConfig::new(width, height, fps),
         frames: vec![VideoImage::Image {
             buffer: img9,
-            is_opaque: false,
         }],
         from_segment: create_dummy_segment(),
         relative_timeline_offset: Duration::ZERO,

lib/video-editor/examples/moving_filter_demo.rs

@@ -68,7 +68,6 @@ fn apply_filter_to_image(
         config: VideoFilterConfig::new(width, height, fps),
         frames: vec![VideoImage::Image {
             buffer: img_with_content,
-            is_opaque: false,
         }],
         from_segment: create_dummy_segment(),
         relative_timeline_offset: frame_time,

lib/video-editor/examples/play_video_track_demo.rs

@@ -4,8 +4,8 @@ use std::{path::PathBuf, sync::Arc, time::Duration};
 use video_editor::{
     metadata::get_metadata,
     tracks::{
+        image_track::ImageTrack,
         manager::Manager,
-        overlay_track::OverlayTrack,
         segment::Segment,
         track::{InnerTrack, Track},
         video_track::{UnifiedVideoTracksCompositorIterator, VideoTrack},
@@ -29,33 +29,33 @@ impl VideoViewerApp {
     fn new() -> Self {
         let mut manager = Manager::new();
 
-        // ===== 添加 Overlay 轨道: 图片 overlay (最上层) =====
-        let overlay_image_path = PathBuf::from("data").join("test.png");
-        if !overlay_image_path.exists() {
+        // ===== 添加 Image 轨道: 图片 (最上层) =====
+        let image_path = PathBuf::from("data").join("test.png");
+        if !image_path.exists() {
             log::warn!(
                 "Image file not found: {}, using default metadata",
-                overlay_image_path.display()
+                image_path.display()
             );
         }
 
-        let overlay_image_duration = Duration::from_secs(3);
-        let overlay_image_metadata = Arc::new(get_metadata(&overlay_image_path).unwrap());
+        let image_duration = Duration::from_secs(3);
+        let image_metadata = Arc::new(get_metadata(&image_path).unwrap());
 
-        let overlay_image_segment = Arc::new(Segment::new(
+        let image_segment = Arc::new(Segment::new(
             Duration::from_secs_f64(0.5), // 从 0.5 秒开始
-            overlay_image_duration,
-            overlay_image_metadata.clone(),
+            image_duration,
+            image_metadata.clone(),
         ));
 
-        let overlay_image_track = OverlayTrack::new(
-            overlay_image_metadata,
-            Duration::from_secs_f64(0.5) + overlay_image_duration,
-            vec![overlay_image_segment],
+        let image_track = ImageTrack::new(
+            image_metadata,
+            Duration::from_secs_f64(0.5) + image_duration,
+            vec![image_segment],
         );
 
-        manager.add_track(Track::Overlay(Arc::new(overlay_image_track)));
+        manager.add_track(Track::Image(Arc::new(image_track)));
         log::info!(
-            "Added image overlay track: 'test.png' (0.5-3.5s) [Layer 0 - Top]"
+            "Added image track: 'test.png' (0.5-3.5s) [Layer 0 - Top]"
         );
 
         // ===== 添加第一个视频轨道: test.mkv (第二层) =====

lib/video-editor/examples/track_new_demo.rs

@@ -75,14 +75,14 @@ fn main() {
                             );
                         }
                     }
-                    Track::Overlay(overlay_track) => {
-                        log::info!("[Track {}] Overlay", idx);
+                    Track::Image(image_track) => {
+                        log::info!("[Track {}] Image", idx);
                         log::info!(
                             "  Duration: {:.2}s",
-                            overlay_track.track.duration.as_secs_f64()
+                            image_track.track.duration.as_secs_f64()
                         );
-                        log::info!("  Segments: {}", overlay_track.track.segments.len());
-                        log::info!("  Hidden: {}", overlay_track.hiding);
+                        log::info!("  Segments: {}", image_track.track.segments.len());
+                        log::info!("  Hidden: {}", image_track.hiding);
                     }
                 }
             }