diff --git a/.github/workflows/lambda-arm64-image.yml b/.github/workflows/lambda-arm64-image.yml
index 1f330694b2a..8ae3b2365b6 100644
--- a/.github/workflows/lambda-arm64-image.yml
+++ b/.github/workflows/lambda-arm64-image.yml
@@ -14,6 +14,11 @@ on:
       - "packages/aws-lambda/package.json"
       - "packages/aws-lambda/scripts/build-zip.ts"
       - ".github/workflows/lambda-arm64-image.yml"
+  # On main it also seeds publish.yml's ffmpeg cache.
+  push:
+    branches: [main]
+    paths:
+      - "packages/aws-lambda/image/**"
   workflow_dispatch:
 
 concurrency:
@@ -35,6 +40,12 @@ jobs:
           docker buildx build --progress=plain --platform linux/arm64 --target artifact
           --output type=local,dest=out packages/aws-lambda/image
       - run: cat out/hf-media-check.txt && sha256sum out/*.tar.gz
+      # Same path and key as publish.yml's lambda-arm64-ffmpeg job reads.
+      - if: matrix.copy == 'a' && github.ref == 'refs/heads/main'
+        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
+        with:
+          path: out/
+          key: hf-media-linux-aarch64-${{ hashFiles('packages/aws-lambda/image/**') }}
       - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: hf-media-${{ matrix.copy }}
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index e3dbef36ca0..7376b598862 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,10 +13,47 @@ on:
     branches: [main]
 
 jobs:
+  lambda-arm64-ffmpeg:
+    name: Lambda arm64 ffmpeg
+    runs-on: ubuntu-24.04-arm
+    # A cache miss compiles ffmpeg natively, 15-20 minutes.
+    timeout-minutes: 60
+    permissions:
+      contents: read
+    env:
+      EXPECTED_RELEASE_SHA: >-
+        ${{ github.event_name == 'pull_request'
+            && github.event.pull_request.merge_commit_sha
+            || github.sha }}
+    if: >-
+      github.event_name == 'push' ||
+      (github.event.pull_request.merged == true &&
+       startsWith(github.event.pull_request.head.ref, 'release/v'))
+    steps:
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        with:
+          ref: ${{ env.EXPECTED_RELEASE_SHA }}
+      # lambda-arm64-image.yml saves this key on main; a release run's own saves reach only its re-runs.
+      - id: cache
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
+        with:
+          path: out/
+          key: hf-media-linux-aarch64-${{ hashFiles('packages/aws-lambda/image/**') }}
+      - if: steps.cache.outputs.cache-hit != 'true'
+        run: >-
+          docker buildx build --progress=plain --platform linux/arm64 --target artifact
+          --output type=local,dest=out packages/aws-lambda/image
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+        with:
+          name: hf-media-linux-aarch64
+          path: out/hf-media-linux-aarch64.tar.gz
+          if-no-files-found: error
+
   publish:
     name: Publish
+    needs: lambda-arm64-ffmpeg
     runs-on: ubuntu-latest
-    timeout-minutes: 20
+    timeout-minutes: 30
     environment: npm-publish
     permissions:
       contents: write
@@ -137,6 +174,33 @@ jobs:
           fi
           bun packages/aws-lambda/scripts/pin-handler-zip.ts
 
+      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
+        with:
+          name: hf-media-linux-aarch64
+          path: dist/hf-media
+
+      # Built from the zip pinned above. The video stage only copies files, so no emulation is needed.
+      - name: Build Lambda video image
+        id: lambda_video_image
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: ${{ steps.version.outputs.version }}
+          REPO: ${{ github.repository }}
+        run: |
+          # A retried run reuses the image already on the release, so the pin still matches it.
+          if gh release download "v${VERSION}" --repo "$REPO" --pattern hyperframes-lambda-video-arm64.oci.tar --dir dist; then
+            echo "attached=true" >> "$GITHUB_OUTPUT"
+          else
+            bun packages/aws-lambda/scripts/stage-arm64-image.ts --zip=dist/hyperframes-lambda-handler.zip \
+              --ffmpeg=dist/hf-media/hf-media-linux-aarch64.tar.gz --out=dist/arm64-image
+            # OCI export needs a docker-container builder; no attestations, so index.json lists one image.
+            docker buildx create --use
+            docker buildx build --progress=plain --platform linux/arm64 --target video \
+              --provenance=false --sbom=false --build-context task=dist/arm64-image/task \
+              --output type=oci,dest=dist/hyperframes-lambda-video-arm64.oci.tar packages/aws-lambda/image
+          fi
+          bun packages/aws-lambda/scripts/pin-handler-zip.ts --video-image
+
       - run: bun run verify:packed-manifests
 
       - name: Create GitHub Release
@@ -173,6 +237,14 @@ jobs:
           REPO: ${{ github.repository }}
         run: gh release upload "v${VERSION}" dist/hyperframes-lambda-handler.zip dist/hyperframes-lambda-handler.sha256 --repo "$REPO"
 
+      - name: Attach Lambda video image to release
+        if: steps.lambda_video_image.outputs.attached != 'true'
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          VERSION: ${{ steps.version.outputs.version }}
+          REPO: ${{ github.repository }}
+        run: gh release upload "v${VERSION}" dist/hyperframes-lambda-video-arm64.oci.tar dist/hyperframes-lambda-video-arm64.sha256 --repo "$REPO"
+
       - name: Publish packages
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
diff --git a/packages/aws-lambda/package.json b/packages/aws-lambda/package.json
index 8ac6589d38e..0c6eaf7f4f7 100644
--- a/packages/aws-lambda/package.json
+++ b/packages/aws-lambda/package.json
@@ -12,6 +12,7 @@
     "prebuilt/",
     "scripts/",
     "!scripts/*.test.ts",
+    "!scripts/pin-handler-zip.ts",
     "README.md"
   ],
   "type": "module",
diff --git a/packages/aws-lambda/scripts/pin-handler-zip.test.ts b/packages/aws-lambda/scripts/pin-handler-zip.test.ts
index a57573d47e2..52c299c5b20 100644
--- a/packages/aws-lambda/scripts/pin-handler-zip.test.ts
+++ b/packages/aws-lambda/scripts/pin-handler-zip.test.ts
@@ -3,8 +3,14 @@ import { createHash } from "node:crypto";
 import { existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
-import { adapterPackageRoot, prebuiltHandler } from "../src/sdk/prebuiltHandler.js";
-import { pinHandlerZip } from "./pin-handler-zip.js";
+import {
+  adapterPackageRoot,
+  prebuiltHandler,
+  prebuiltVideoImage,
+  VIDEO_IMAGE_ASSET,
+  VIDEO_IMAGE_MANIFEST_FILE,
+} from "../src/sdk/prebuiltHandler.js";
+import { pinHandlerZip, pinReleaseAsset } from "./pin-handler-zip.js";
 
 const examples = join(import.meta.dir, "..", "..", "..", "examples", "aws-lambda");
 const realTemplate = readFileSync(join(examples, "template.yaml"), "utf-8");
@@ -93,6 +99,31 @@ describe("pinHandlerZip", () => {
   });
 });
 
+describe("pinReleaseAsset", () => {
+  it("pins the arm64 video image beside the handler zip without touching the zip's pin", () => {
+    const { root, pkgDir } = fixtureRepo();
+    writeFileSync(join(pkgDir, "dist", "handler.zip"), "zip");
+    const zipPin = pinHandlerZip(root);
+    const image = Buffer.from("oci layout tar");
+    writeFileSync(join(root, "dist", VIDEO_IMAGE_ASSET), image);
+    const sha256 = createHash("sha256").update(image).digest("hex");
+
+    const manifest = pinReleaseAsset(root, VIDEO_IMAGE_ASSET, VIDEO_IMAGE_MANIFEST_FILE);
+
+    expect(manifest).toEqual({
+      version: "9.8.7",
+      url: "https://github.com/heygen-com/hyperframes/releases/download/v9.8.7/hyperframes-lambda-video-arm64.oci.tar",
+      sha256,
+      bytes: image.length,
+    });
+    expect(readFileSync(join(root, "dist", "hyperframes-lambda-video-arm64.sha256"), "utf-8")).toBe(
+      `${sha256}  hyperframes-lambda-video-arm64.oci.tar\n`,
+    );
+    expect(prebuiltVideoImage(pkgDir)).toEqual(manifest);
+    expect(prebuiltHandler(pkgDir)?.sha256).toBe(zipPin.sha256);
+  });
+});
+
 describe("prebuiltHandler", () => {
   it("reads from its own package root", () => {
     expect(adapterPackageRoot()).toBe(join(import.meta.dir, ".."));
@@ -102,4 +133,11 @@ describe("prebuiltHandler", () => {
     const { pkgDir } = fixtureRepo();
     expect(prebuiltHandler(pkgDir)).toBeUndefined();
   });
+
+  it("has no video image when the package pins only the zip", () => {
+    const { root, pkgDir } = fixtureRepo();
+    writeFileSync(join(pkgDir, "dist", "handler.zip"), "zip");
+    pinHandlerZip(root);
+    expect(prebuiltVideoImage(pkgDir)).toBeUndefined();
+  });
 });
diff --git a/packages/aws-lambda/scripts/pin-handler-zip.ts b/packages/aws-lambda/scripts/pin-handler-zip.ts
index 60f8c607e7f..361b8a3e07a 100644
--- a/packages/aws-lambda/scripts/pin-handler-zip.ts
+++ b/packages/aws-lambda/scripts/pin-handler-zip.ts
@@ -1,6 +1,7 @@
 #!/usr/bin/env bun
 // Release step: writes the handler ZIP's pin (asset URL + sha256) and the SAM template into the
-// package. A retried release run reuses the ZIP already on the release.
+// package, or with --video-image the arm64 video image's pin. A retried release run reuses the
+// asset already on the release.
 import { createHash } from "node:crypto";
 import { existsSync, mkdirSync, readFileSync, renameSync, rmSync, writeFileSync } from "node:fs";
 import { dirname, join, resolve } from "node:path";
@@ -8,41 +9,57 @@ import { fileURLToPath } from "node:url";
 import {
   HANDLER_MANIFEST_FILE,
   HANDLER_ZIP_ASSET,
-  type HandlerZipManifest,
   PREBUILT_DIR,
+  type ReleaseAssetManifest,
+  VIDEO_IMAGE_ASSET,
+  VIDEO_IMAGE_MANIFEST_FILE,
 } from "../src/sdk/prebuiltHandler.js";
 import { writePrebuiltTemplate } from "./prebuilt-template.mjs";
 
-export function pinHandlerZip(repoRoot: string): HandlerZipManifest {
+/** Hashes `dist/<asset>`, writes its `.sha256` beside it and its pin to `prebuilt/<manifestFile>`. */
+export function pinReleaseAsset(
+  repoRoot: string,
+  asset: string,
+  manifestFile: string,
+): ReleaseAssetManifest {
   const pkgDir = join(repoRoot, "packages", "aws-lambda");
   const pkg = JSON.parse(readFileSync(join(pkgDir, "package.json"), "utf-8")) as {
     version: string;
     repository: { url: string };
   };
-  const asset = join(repoRoot, "dist", HANDLER_ZIP_ASSET);
-  const built = join(pkgDir, "dist", "handler.zip");
-  if (existsSync(built)) {
-    mkdirSync(dirname(asset), { recursive: true });
-    renameSync(built, asset);
-    rmSync(`${built}.manifest.json`, { force: true });
-  }
-  const bytes = readFileSync(asset);
+  const bytes = readFileSync(join(repoRoot, "dist", asset));
   const sha256 = createHash("sha256").update(bytes).digest("hex");
-  writeFileSync(asset.replace(/\.zip$/, ".sha256"), `${sha256}  ${HANDLER_ZIP_ASSET}\n`);
+  writeFileSync(join(repoRoot, "dist", `${asset.split(".")[0]}.sha256`), `${sha256}  ${asset}\n`);
 
-  const outDir = join(pkgDir, PREBUILT_DIR);
-  writePrebuiltTemplate(repoRoot, outDir);
-  const manifest: HandlerZipManifest = {
+  const manifest: ReleaseAssetManifest = {
     version: pkg.version,
-    url: `${pkg.repository.url}/releases/download/v${pkg.version}/${HANDLER_ZIP_ASSET}`,
+    url: `${pkg.repository.url}/releases/download/v${pkg.version}/${asset}`,
     sha256,
     bytes: bytes.length,
   };
-  writeFileSync(join(outDir, HANDLER_MANIFEST_FILE), `${JSON.stringify(manifest, null, 2)}\n`);
+  const outDir = join(pkgDir, PREBUILT_DIR);
+  mkdirSync(outDir, { recursive: true });
+  writeFileSync(join(outDir, manifestFile), `${JSON.stringify(manifest, null, 2)}\n`);
   return manifest;
 }
 
+export function pinHandlerZip(repoRoot: string): ReleaseAssetManifest {
+  const pkgDir = join(repoRoot, "packages", "aws-lambda");
+  const asset = join(repoRoot, "dist", HANDLER_ZIP_ASSET);
+  const built = join(pkgDir, "dist", "handler.zip");
+  if (existsSync(built)) {
+    mkdirSync(dirname(asset), { recursive: true });
+    renameSync(built, asset);
+    rmSync(`${built}.manifest.json`, { force: true });
+  }
+  writePrebuiltTemplate(repoRoot, join(pkgDir, PREBUILT_DIR));
+  return pinReleaseAsset(repoRoot, HANDLER_ZIP_ASSET, HANDLER_MANIFEST_FILE);
+}
+
 if (import.meta.main) {
   const repoRoot = resolve(dirname(fileURLToPath(import.meta.url)), "../../..");
-  console.log(JSON.stringify(pinHandlerZip(repoRoot), null, 2));
+  const manifest = process.argv.includes("--video-image")
+    ? pinReleaseAsset(repoRoot, VIDEO_IMAGE_ASSET, VIDEO_IMAGE_MANIFEST_FILE)
+    : pinHandlerZip(repoRoot);
+  console.log(JSON.stringify(manifest, null, 2));
 }
diff --git a/packages/aws-lambda/src/sdk/index.ts b/packages/aws-lambda/src/sdk/index.ts
index c03f7bbfbdd..7fe14606002 100644
--- a/packages/aws-lambda/src/sdk/index.ts
+++ b/packages/aws-lambda/src/sdk/index.ts
@@ -39,6 +39,11 @@ export {
   validateStepFunctionsInputSize,
   validateVariablesPayload,
 } from "./validateConfig.js";
-export { type PrebuiltHandler, prebuiltHandler } from "./prebuiltHandler.js";
+export {
+  type PrebuiltHandler,
+  prebuiltHandler,
+  prebuiltVideoImage,
+  type ReleaseAssetManifest,
+} from "./prebuiltHandler.js";
 export type { SerializableDistributedRenderConfig } from "../events.js";
 export type { DistributedFormat } from "../formatExtension.js";
diff --git a/packages/aws-lambda/src/sdk/prebuiltHandler.ts b/packages/aws-lambda/src/sdk/prebuiltHandler.ts
index 68085305039..9dddb50d9cd 100644
--- a/packages/aws-lambda/src/sdk/prebuiltHandler.ts
+++ b/packages/aws-lambda/src/sdk/prebuiltHandler.ts
@@ -1,4 +1,4 @@
-// The handler ZIP pinned to this package version; the release workflow writes `prebuilt/`.
+// The release assets pinned to this package version; the release workflow writes `prebuilt/`.
 
 import { existsSync, readFileSync } from "node:fs";
 import { dirname, join } from "node:path";
@@ -7,15 +7,17 @@ import { fileURLToPath } from "node:url";
 export const HANDLER_ZIP_ASSET = "hyperframes-lambda-handler.zip";
 export const PREBUILT_DIR = "prebuilt";
 export const HANDLER_MANIFEST_FILE = "handler-zip.json";
+export const VIDEO_IMAGE_ASSET = "hyperframes-lambda-video-arm64.oci.tar";
+export const VIDEO_IMAGE_MANIFEST_FILE = "video-image.json";
 
-export interface HandlerZipManifest {
+export interface ReleaseAssetManifest {
   version: string;
   url: string;
   sha256: string;
   bytes: number;
 }
 
-export interface PrebuiltHandler extends HandlerZipManifest {
+export interface PrebuiltHandler extends ReleaseAssetManifest {
   /** SAM template whose `CodeUri` is `handler.zip` in the same directory. */
   templatePath: string;
 }
@@ -34,11 +36,21 @@ export function adapterPackageRoot(): string {
   throw new Error(`[aws-lambda] no @hyperframes/aws-lambda package.json above ${from}`);
 }
 
+function readManifest(root: string, file: string): ReleaseAssetManifest | undefined {
+  const path = join(root, PREBUILT_DIR, file);
+  if (!existsSync(path)) return undefined;
+  return JSON.parse(readFileSync(path, "utf-8")) as ReleaseAssetManifest;
+}
+
 /** The pinned handler for this install, or undefined when this build carries none. */
 export function prebuiltHandler(root: string = adapterPackageRoot()): PrebuiltHandler | undefined {
-  const dir = join(root, PREBUILT_DIR);
-  const manifestPath = join(dir, HANDLER_MANIFEST_FILE);
-  if (!existsSync(manifestPath)) return undefined;
-  const manifest = JSON.parse(readFileSync(manifestPath, "utf-8")) as HandlerZipManifest;
-  return { ...manifest, templatePath: join(dir, "template.yaml") };
+  const manifest = readManifest(root, HANDLER_MANIFEST_FILE);
+  return manifest && { ...manifest, templatePath: join(root, PREBUILT_DIR, "template.yaml") };
+}
+
+/** The pinned arm64 video function image (an OCI layout tarball), or undefined when none is pinned. */
+export function prebuiltVideoImage(
+  root: string = adapterPackageRoot(),
+): ReleaseAssetManifest | undefined {
+  return readManifest(root, VIDEO_IMAGE_MANIFEST_FILE);
 }