show drops woo

src/src/main.rs

@@ -13,7 +13,7 @@ fn main() {
 // define a component that renders a div with the text "Hello, world!"
 fn App(cx: Scope) -> Element {
    let file = use_state(cx, String::new);
-   let analysis = use_state(cx, Vec::<Analyzed>::new);
+   let analysis = use_state(cx, Analysis::new);
    let status = use_state(cx, String::new);
    cx.render(rsx! {
       header {
@@ -41,8 +41,19 @@ fn App(cx: Scope) -> Element {
                input { r#type: "button", value: "analyze", disabled: file.get().len() == 0, onclick: move |evt| {
                   to_owned![file];
                   to_owned![analysis];
+                  to_owned![status];
                   async move {
-                     analysis.set(analyze(file.get().clone()));
+                     let analyzed = analyze(file.get().clone());
+                     if analyzed.err.len() > 0 {
+                        status.set(analyzed.err.clone());
+                     } else {
+                        status.set(format!(
+                           "found {} clips to keep and {} clips to drop",
+                           analyzed.with_content.len(),
+                           analyzed.without_content.len(),
+                        ));
+                     }
+                     analysis.set(analyzed);
                   }
                }}
                input { r#type: "button", value: "clipify", disabled: file.get().len() == 0, onclick: move |evt| {
@@ -59,54 +70,100 @@ fn App(cx: Scope) -> Element {
                br {}
             }
             div {
-               analysis.get().iter().map(|a| {
-                  rsx! {
-                     p {
-                        "{a.start}..{a.stop}: "
-                        br {}
-                        img { src: "data:image/png;base64, {a.screenshot}" }
+               h3 { "Clips to Keep" }
+               div {
+                  analysis.get().with_content.iter().map(|a| {
+                     rsx! {
+                        p {
+                           "{a.start}..{a.stop}: "
+                           br {}
+                           img { src: "data:image/png;base64, {a.screenshot}" }
+                        }
                      }
-                  }
-               })
+                  })
+               }
+            }
+            div {
+               h3 { "Clips to Remove" }
+               div {
+                  analysis.get().without_content.iter().map(|a| {
+                     rsx! {
+                        p {
+                           "{a.start}..{a.stop}: "
+                           br {}
+                           img { src: "data:image/png;base64, {a.screenshot}" }
+                        }
+                     }
+                  })
+               }
             }
          }
       }
    })
 }
 
+struct Analysis {
+   with_content: Vec<Analyzed>,
+   without_content: Vec<Analyzed>,
+   err: String,
+}
+
+impl Analysis {
+   fn new() -> Self {
+      Self{
+         with_content: vec![],
+         without_content: vec![],
+         err: "".to_string(),
+      }
+   }
+}
+
 struct Analyzed {
    start: String,
    stop: String,
    screenshot: String,
 }
 
-fn analyze(file: String) -> Vec<Analyzed> {
+fn analyze(file: String) -> Analysis {
    let content_spans = lib::video::inspect(&file); // TODO desktop
    //let content_spans: Result<Vec<lib::video::ContentSpan>, String> = Ok(vec![lib::video::ContentSpan{start: 0.5, stop: 20.2}]);
    if content_spans.is_err() {
-      return vec![Analyzed{
-         start: format!("<<err analyzing {}", file),
-         stop: format!("{}>>", content_spans.err().unwrap()),
-         screenshot: a_png.to_string(),
-      }];
+      return Analysis{
+         with_content: vec![],
+         without_content: vec![],
+         err: format!("failed to analyze {}: {}", file, content_spans.err().unwrap()),
+      };
+   }
+   let content_spans = content_spans.unwrap();
+
+   let mut non_content_spans = vec![];
+   if let Some(first_content_span) = content_spans.iter().nth(0) {
+      non_content_spans.push(lib::video::ContentSpan{start: 0.0, stop: first_content_span.start});
+   }
+   for i in 1..content_spans.len() {
+      non_content_spans.push(lib::video::ContentSpan{
+         start: content_spans[i-1].stop,
+         stop: content_spans[i].start,
+      });
+   }
+
+   let screenshot = |content_span: &lib::video::ContentSpan| -> Analyzed {
+      let ts = (content_span.start + content_span.stop) / 2.0;
+      Analyzed {
+         start: content_span.start.to_string(),
+         stop: content_span.stop.to_string(),
+         screenshot: match lib::video::screenshot_png(&file, ts) {
+            Ok(png) => general_purpose::STANDARD.encode(&png),
+            Err(_) => a_png.to_string(),
+         }
+      }
+   };
+
+   Analysis{
+      with_content: content_spans.iter().map(screenshot).collect(),
+      without_content: non_content_spans.iter().map(screenshot).collect(),
+      err: "".to_string(),
    }
-   content_spans.unwrap().iter()
-      .map(|content_span| {
-         let mut result = Analyzed{
-            start: content_span.start.to_string(),
-            stop: content_span.stop.to_string(),
-            screenshot: a_png.to_string(),
-         };
-         match lib::video::screenshot_png(
-            &file,
-            (content_span.start + content_span.stop) / 2.0,
-         ) {
-            Ok(png) => { result.screenshot = general_purpose::STANDARD.encode(&png); },
-            Err(msg) => { result.stop = format!("{} <<failed to screenshot {}: {}>>", result.stop, file, msg); },
-         };
-         result
-      })
-      .collect()
 }
 
 fn clipify(file: String) -> String {