From 502786b689fcc087ca2f866d90ca6e893a97f918 Mon Sep 17 00:00:00 2001
From: chloe caruso <git@paperclover.net>
Date: Thu, 3 Jul 2025 10:34:19 -0700
Subject: [PATCH] actually run ffmpeg fr fr

---
 framework/lib/async.ts       |  2 +-
 src/file-viewer/bin/scan3.ts | 72 ++++++++++++++++++++++++++----------
 src/file-viewer/ffmpeg.ts    |  7 +++-
 3 files changed, 59 insertions(+), 22 deletions(-)

diff --git a/framework/lib/async.ts b/framework/lib/async.ts
index c213ce7..522e156 100644
--- a/framework/lib/async.ts
+++ b/framework/lib/async.ts
@@ -74,7 +74,7 @@ export class Queue<T, R> {
   addReturn(args: T) {
     this.#total += 1;
     this.updateTotal();
-    if (this.#active.length > this.#maxJobs) {
+    if (this.#active.length >= this.#maxJobs) {
       const { promise, resolve, reject } = Promise.withResolvers<R>();
       this.#queue.push([args, resolve, reject]);
       return promise;
diff --git a/src/file-viewer/bin/scan3.ts b/src/file-viewer/bin/scan3.ts
index b5fbeef..1ffae57 100644
--- a/src/file-viewer/bin/scan3.ts
+++ b/src/file-viewer/bin/scan3.ts
@@ -136,7 +136,7 @@ export async function main() {
     },
     getItemText: ({ mediaFile, processor }) =>
       `${mediaFile.path.slice(1)} - ${processor.name}`,
-    maxJobs: 2,
+    maxJobs: 1,
   });
 
   function decodeProcessors(input: string) {
@@ -430,46 +430,79 @@ const procImageSubsets: Process = {
     }
   },
 };
-
-const procVideos = transcodeRules.videoFormats.map((preset) => ({
-  name: "encode image subsets",
-  include: rules.extsImage,
+const qualityMap: Record<string, string> = {
+  u: "ultra-high",
+  h: "high",
+  m: "medium",
+  l: "low",
+  d: "data-saving",
+};
+const procVideos = transcodeRules.videoFormats.map<Process>((preset) => ({
+  name: `encode ${preset.codec} ${UNWRAP(qualityMap[preset.id[1]])}`,
+  include: rules.extsVideo,
   enable: ffmpegBin != null,
-  async run({ absPath, mediaFile, stat, spin }) {
-    await produceAsset(`${mediaFile}/${preset.id}`, async (base) => {
+  async run({ absPath, mediaFile, spin }) {
+    await produceAsset(`${mediaFile.hash}/${preset.id}`, async (base) => {
       base = path.dirname(base);
+      await fs.mkdir(base);
+
+      let inputArgs = ["-i", absPath];
+      try {
+        const config = await fs.readJson<any>(
+          path.join(
+            path.dirname(absPath),
+            path.basename(absPath, path.extname(absPath)) + ".json",
+          ),
+        );
+        if (config.encoder && typeof config.encoder.videoSrc === "string") {
+          const { videoSrc, audioSrc, rate } = config.encoder;
+          inputArgs = [
+            ...rate ? ["-r", String(rate)] : [],
+            "-i",
+            videoSrc,
+            ...audioSrc ? ["-i", audioSrc] : [],
+          ];
+        }
+      } catch (err: any) {
+        if (err?.code !== "ENOENT") throw err;
+      }
+
       const args = transcodeRules.getVideoArgs(
         preset,
         base,
-        ["-i", absPath],
+        inputArgs,
       );
       try {
-        const quality = {
-          u: "ultra-high",
-          h: "high",
-          m: "medium",
-          l: "low",
-          d: "data-saving",
-        }[preset.id[1]] ?? preset.id;
+        const fakeProgress = new Progress({ text: spin.text, spinner: null });
+        fakeProgress.stop();
+        spin.format = (now: number) => fakeProgress.format(now);
+        // @ts-expect-error
+        fakeProgress.redraw = () => spin.redraw();
+
         await ffmpeg.spawn({
           ffmpeg: ffmpegBin!,
-          title: `${mediaFile.path.slice(1)} (${preset.codec} ${quality})`,
+          title: fakeProgress.text,
+          progress: fakeProgress,
           args,
         });
         return await collectFiles();
       } catch (err) {
         for (const file of await collectFiles()) {
-          // TODO: delete assets off disk
+          try {
+            fs.rm(file);
+          } catch {}
         }
         throw err;
       }
 
       async function collectFiles(): Promise<string[]> {
-        throw new Error("!");
+        return (await fs.readdir(base))
+          .filter((basename) => basename.startsWith(preset.id))
+          .map((basename) => path.join(base, basename));
       }
     });
   },
-} satisfies Process));
+}));
 
 const processors = [
   procDimensions,
@@ -596,6 +629,7 @@ export function testProgram(name: string, helpArgument: string) {
 
 const monthMilliseconds = 30 * 24 * 60 * 60 * 1000;
 
+import { Progress } from "@paperclover/console/Progress";
 import { Spinner } from "@paperclover/console/Spinner";
 import * as async from "#sitegen/async";
 import * as fs from "#sitegen/fs";
diff --git a/src/file-viewer/ffmpeg.ts b/src/file-viewer/ffmpeg.ts
index f67caaf..4546f90 100644
--- a/src/file-viewer/ffmpeg.ts
+++ b/src/file-viewer/ffmpeg.ts
@@ -23,13 +23,15 @@ export interface SpawnOptions {
   title: string;
   ffmpeg?: string;
   progress?: Progress;
+  cwd: string;
 }
 
 export async function spawn(options: SpawnOptions) {
-  const { ffmpeg = "ffmpeg", args, title } = options;
+  const { ffmpeg = "ffmpeg", args, title, cwd } = options;
   const proc = child_process.spawn(ffmpeg, args, {
     stdio: ["ignore", "inherit", "pipe"],
     env: { ...process.env, SVT_LOG: "2" },
+    cwd,
   });
   const parser = new Parse();
   const bar = options.progress ?? new Progress({ text: title });
@@ -63,8 +65,10 @@ export async function spawn(options: SpawnOptions) {
     e.args = [ffmpeg, ...args].join(" ");
     e.code = code;
     e.signal = signal;
+    bar.error(e.message);
     return e;
   }
+  bar.success(title);
 }
 
 export class Parse {
@@ -158,4 +162,3 @@ import * as process from "node:process";
 import events from "node:events";
 import * as path from "node:path";
 import { Progress } from "@paperclover/console/Progress";
-