Initial OSS scaffold from Songs2VID (pre-strip)

2026-08-03 06:15:05 +02:00
commit 935abfb22e
195 changed files with 25023 additions and 0 deletions
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+/**
+ * Download curated watermark fonts into assets/fonts for FFmpeg drawtext.
+ * Run: node scripts/fetch-watermark-fonts.mjs
+ */
+import fs from "fs/promises";
+import path from "path";
+import { fileURLToPath } from "url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const outDir = path.join(__dirname, "..", "assets", "fonts");
+
+/** Direct TTF URLs from Google Fonts GitHub (OFL). */
+const FONTS = [
+  {
+    file: "Inter-Regular.ttf",
+    url: "https://github.com/google/fonts/raw/main/ofl/inter/Inter%5Bopsz%2Cwght%5D.ttf",
+  },
+  {
+    file: "Montserrat-Regular.ttf",
+    url: "https://github.com/google/fonts/raw/main/ofl/montserrat/Montserrat%5Bwght%5D.ttf",
+  },
+  {
+    file: "Roboto-Regular.ttf",
+    url: "https://github.com/google/fonts/raw/main/ofl/roboto/Roboto%5Bwdth%2Cwght%5D.ttf",
+  },
+  {
+    file: "Oswald-Regular.ttf",
+    url: "https://github.com/google/fonts/raw/main/ofl/oswald/Oswald%5Bwght%5D.ttf",
+  },
+  {
+    file: "PlayfairDisplay-Regular.ttf",
+    url: "https://github.com/google/fonts/raw/main/ofl/playfairdisplay/PlayfairDisplay%5Bwght%5D.ttf",
+  },
+];
+
+await fs.mkdir(outDir, { recursive: true });
+
+for (const font of FONTS) {
+  const dest = path.join(outDir, font.file);
+  try {
+    await fs.access(dest);
+    console.log("skip (exists)", font.file);
+    continue;
+  } catch {
+    /* download */
+  }
+  console.log("fetch", font.file);
+  const res = await fetch(font.url, {
+    headers: { "User-Agent": "songs2vid-font-fetch/1.0" },
+    redirect: "follow",
+  });
+  if (!res.ok) {
+    console.error("FAILED", font.file, res.status);
+    continue;
+  }
+  const buf = Buffer.from(await res.arrayBuffer());
+  await fs.writeFile(dest, buf);
+  console.log("wrote", font.file, buf.length, "bytes");
+}
+
+await fs.writeFile(
+  path.join(outDir, "README.md"),
+  `# Watermark fonts
+
+Curated TTF assets for FFmpeg \`drawtext\` (OFL via Google Fonts).
+Refresh with \`node scripts/fetch-watermark-fonts.mjs\`.
+`,
+  "utf8",
+);
+
+console.log("done →", outDir);
@@ -0,0 +1,103 @@
+import assert from "node:assert/strict";
+import {
+  BLUR_AMOUNT_MAX,
+  INVALID_LAYOUT_TEMPLATE_MESSAGE,
+  blurToBoxblur,
+  boxblurFilterSegment,
+  buildArtTrackFilterComplex,
+  clampBlurAmount,
+  clampTextPadding,
+  clampTitleArtistGap,
+  computeLayoutGeometry,
+  normalizeLayoutSettings,
+  requiresArtTrackLayoutEntitlement,
+} from "../lib/layout";
+import { sanitizeDrawtext } from "../lib/watermark";
+
+function testEnumsAndClamp() {
+  assert.equal(clampBlurAmount(150), BLUR_AMOUNT_MAX);
+  assert.equal(clampBlurAmount(-1), 0);
+  assert.equal(clampTextPadding(999), 120);
+  assert.equal(clampTextPadding(1), 16);
+  assert.equal(clampTitleArtistGap(100), 64);
+  assert.equal(clampTitleArtistGap(-5), 0);
+
+  assert.equal(blurToBoxblur(0), null);
+  const mid = blurToBoxblur(50);
+  assert.ok(mid && mid.radius >= 1 && mid.power >= 1);
+  assert.ok(boxblurFilterSegment(60).includes("boxblur="));
+  assert.equal(boxblurFilterSegment(0), "");
+}
+
+function testNormalize() {
+  const classic = normalizeLayoutSettings(null);
+  assert.equal(classic.template, null);
+  assert.equal(classic.titleArtistGap, 10);
+  assert.equal(classic.textOffsetX, 0);
+
+  assert.equal(
+    normalizeLayoutSettings({
+      layout_template: "CENTERED_COMPACT",
+      blur_amount: 80,
+      title_artist_gap: 24,
+      text_offset_y: -20,
+    }).titleArtistGap,
+    24,
+  );
+
+  assert.throws(
+    () => normalizeLayoutSettings({ template: "NOT_A_TEMPLATE" }),
+    (err: Error) => err.message === INVALID_LAYOUT_TEMPLATE_MESSAGE,
+  );
+  assert.throws(
+    () => normalizeLayoutSettings({ template: "COVER_LEFT_TEXT_RIGHT", x: 10 }),
+    (err: Error) => err.message === INVALID_LAYOUT_TEMPLATE_MESSAGE,
+  );
+
+  assert.equal(
+    requiresArtTrackLayoutEntitlement(normalizeLayoutSettings({ template: null })),
+    false,
+  );
+  assert.equal(
+    requiresArtTrackLayoutEntitlement(
+      normalizeLayoutSettings({ template: "COVER_TOP_TEXT_BOTTOM" }),
+    ),
+    true,
+  );
+}
+
+function testGeometryAndFilter() {
+  const geo = computeLayoutGeometry("COVER_TOP_TEXT_BOTTOM", 1920, 1080, 48, 16, 10, -5);
+  assert.ok(geo.coverMaxW > 1600, "top layout cover should be near full width");
+  assert.ok(geo.artistY !== geo.titleY);
+
+  const withGap = computeLayoutGeometry("COVER_LEFT_TEXT_RIGHT", 1280, 720, 40, 40, 0, 0);
+  const tight = computeLayoutGeometry("COVER_LEFT_TEXT_RIGHT", 1280, 720, 40, 0, 0, 0);
+  assert.ok(Number(withGap.artistY) - Number(withGap.titleY) > Number(tight.artistY) - Number(tight.titleY));
+
+  const fc = buildArtTrackFilterComplex({
+    width: 1280,
+    height: 720,
+    layout: {
+      template: "CENTERED_COMPACT",
+      blurAmount: 40,
+      blurOpacity: 70,
+      textPadding: 40,
+      titleArtistGap: 18,
+      textOffsetX: 5,
+      textOffsetY: -8,
+    },
+    titleEscaped: sanitizeDrawtext("Hello:World"),
+    artistEscaped: sanitizeDrawtext("Artist"),
+  });
+  assert.ok(fc.includes("split=2"));
+  assert.ok(fc.includes("blend=") || fc.includes("[blurred]"));
+  assert.ok(fc.includes("overlay="));
+  assert.ok(fc.includes("drawtext="));
+  assert.ok(fc.endsWith("[laid]"));
+}
+
+testEnumsAndClamp();
+testNormalize();
+testGeometryAndFilter();
+console.log("layout.test.ts: ok");
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+import assert from "node:assert/strict";
+import {
+  artistFontSizeForWidth,
+  scaleFontToPreview,
+  titleFontSizeForWidth,
+  watermarkFontSizeForWidth,
+} from "../lib/preview-typography";
+
+function testFontSizesMatchLayout() {
+  const width = 1280;
+  assert.equal(titleFontSizeForWidth(width), Math.max(22, Math.round(width * 0.032)));
+  assert.equal(artistFontSizeForWidth(width), Math.max(16, Math.round(width * 0.02)));
+  assert.equal(watermarkFontSizeForWidth(width), Math.max(22, Math.round(width * 0.028)));
+}
+
+function testPreviewScaling() {
+  const encodeWidth = 1920;
+  const titlePx = titleFontSizeForWidth(encodeWidth);
+  const previewPx = scaleFontToPreview(titlePx, encodeWidth);
+  assert.ok(previewPx > 0 && previewPx < titlePx);
+}
+
+testFontSizesMatchLayout();
+testPreviewScaling();
+console.log("preview-typography.test.ts: ok");
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# Build multi-arch production image and optionally push to Docker Hub.
+# Usage:
+#   ./scripts/release-cloud.sh              # build locally (current arch)
+#   ./scripts/release-cloud.sh --push       # build+push linux/amd64,linux/arm64
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$ROOT"
+
+IMAGE="${DOCKER_IMAGE:-atakanozban/songs2vid}"
+TAG="${DOCKER_TAG:-latest}"
+FULL="${IMAGE}:${TAG}"
+
+echo "==> Prisma generate"
+npx prisma generate
+
+echo "==> Typecheck / lint (optional soft)"
+npm run lint || true
+
+echo "==> Watermark unit checks"
+npx tsx scripts/watermark.test.ts
+
+if [[ "${1:-}" == "--push" ]]; then
+  echo "==> Multi-arch build+push ${FULL} (amd64,arm64)"
+  docker buildx create --name s2yt-builder --use 2>/dev/null || docker buildx use s2yt-builder
+  docker buildx build \
+    --platform linux/amd64,linux/arm64 \
+    -t "$FULL" \
+    --push \
+    .
+  echo "Pushed ${FULL}. Deploy on songs2vid.com host with deploy/songs2vid/docker-compose.yml"
+else
+  echo "==> Local docker build ${FULL}"
+  docker build -t "$FULL" .
+  echo "Built ${FULL}. Re-run with --push for Hub multi-arch."
+fi
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+import assert from "node:assert/strict";
+import { Plan } from "@prisma/client";
+import {
+  resolveBurnedSongTitle,
+  resolveYouTubeTitle,
+  validateYouTubeTitle,
+} from "../lib/titles";
+
+function testYouTubeTitleResolution() {
+  assert.equal(
+    resolveYouTubeTitle({ title: "My Video", songTitle: "Song", artist: "Artist" }, Plan.FREE),
+    "My Video",
+  );
+
+  assert.equal(
+    resolveYouTubeTitle({ title: "", songTitle: "Song", artist: "Artist" }, Plan.FREE),
+    "",
+  );
+
+  assert.equal(
+    resolveYouTubeTitle({ title: "", songTitle: "Song", artist: "Artist" }, Plan.PREMIUM),
+    "Artist - Song",
+  );
+
+  assert.equal(
+    resolveYouTubeTitle({ title: "Custom", songTitle: "Song", artist: "Artist" }, Plan.PREMIUM),
+    "Custom",
+  );
+
+  assert.equal(
+    resolveYouTubeTitle({ title: "", songTitle: "Song", artist: "" }, Plan.PREMIUM),
+    "Song",
+  );
+}
+
+function testBurnedSongTitle() {
+  assert.equal(resolveBurnedSongTitle({ songTitle: "Track" }), "Track");
+  assert.equal(resolveBurnedSongTitle({ title: "YouTube only" }, "Fallback"), "Fallback");
+}
+
+function testValidation() {
+  assert.equal(validateYouTubeTitle({ title: "Ok" }, Plan.FREE), null);
+  assert.ok(validateYouTubeTitle({ title: "" }, Plan.FREE));
+  assert.equal(
+    validateYouTubeTitle({ title: "", songTitle: "S", artist: "A" }, Plan.PREMIUM),
+    null,
+  );
+}
+
+testYouTubeTitleResolution();
+testBurnedSongTitle();
+testValidation();
+console.log("titles.test.ts: ok");
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+import assert from "node:assert/strict";
+import { sanitizeFontfileForFilter } from "../lib/fonts";
+import {
+  buildDrawtextFilter,
+  clampOffset,
+  drawtextXy,
+  overlayXy,
+  requiresCustomWatermarkEntitlement,
+  sanitizeDrawtext,
+  normalizeWatermarkSettings,
+} from "../lib/watermark";
+
+function testSanitize() {
+  const s = sanitizeDrawtext("Hi:there'100%[x]");
+  assert.ok(s.includes("\\:"), "colon escaped as \\\\:");
+  assert.ok(s.includes("\\'"), "quote escaped");
+  assert.equal(sanitizeDrawtext("a".repeat(200)).length, 80);
+  assert.equal(sanitizeDrawtext("ok\nline").includes("\n"), false);
+}
+
+function testPositions() {
+  assert.deepEqual(overlayXy("bottom-right", 20, 20), { x: "W-w-20", y: "H-h-20" });
+  assert.deepEqual(overlayXy("top-left", 10, 5), { x: "10", y: "5" });
+  assert.deepEqual(drawtextXy("center", 0, 0), {
+    x: "(w-text_w)/2+0",
+    y: "(h-th)/2+0",
+  });
+}
+
+function testEntitlements() {
+  assert.equal(
+    requiresCustomWatermarkEntitlement(
+      normalizeWatermarkSettings({ mode: "default" }, true),
+    ),
+    false,
+  );
+  assert.equal(
+    requiresCustomWatermarkEntitlement(
+      normalizeWatermarkSettings({ mode: "text", text: "Brand" }, true),
+    ),
+    true,
+  );
+  assert.equal(
+    requiresCustomWatermarkEntitlement(
+      normalizeWatermarkSettings({ mode: "default", position: "top-left" }, true),
+    ),
+    true,
+  );
+  assert.equal(
+    requiresCustomWatermarkEntitlement(
+      normalizeWatermarkSettings({ mode: "default", fontKey: "inter" }, true),
+    ),
+    true,
+  );
+  assert.equal(clampOffset(999), 200);
+  assert.equal(clampOffset(-5), 0);
+}
+
+function testDrawtextFontfile() {
+  const withFont = buildDrawtextFilter({
+    text: "Brand",
+    fontSize: 24,
+    position: "bottom-right",
+    offsetX: 20,
+    offsetY: 20,
+    fontfileEscaped: sanitizeFontfileForFilter("C:\\fonts\\My Font.ttf"),
+  });
+  assert.ok(withFont.includes("fontfile="), "fontfile present");
+  assert.ok(withFont.includes("C\\:/fonts/My Font.ttf") || withFont.includes("C\\:/fonts/My\\ Font.ttf") || withFont.includes("fontfile='"), "escaped path");
+  assert.ok(!withFont.includes("C:\\fonts"), "backslashes normalized");
+
+  const injection = sanitizeFontfileForFilter("/tmp/evil':drawtext=text='x");
+  assert.ok(injection.includes("\\'"), "quote escaped in font path");
+
+  const noFont = buildDrawtextFilter({
+    text: "Hi",
+    fontSize: 18,
+    position: "top-left",
+    offsetX: 0,
+    offsetY: 0,
+  });
+  assert.equal(noFont.includes("fontfile"), false);
+}
+
+testSanitize();
+testPositions();
+testEntitlements();
+testDrawtextFontfile();
+console.log("watermark.test.ts: ok");