mirror of
https://github.com/heygen-com/hyperframes.git
synced 2026-09-03 04:38:33 +00:00
feat: add browser GPU render mode (#571)
## Problem HyperFrames already had `--gpu`, but that flag only controlled FFmpeg hardware encoding. The browser capture path still forced Chrome/WebGL through SwiftShader software GL via `--use-angle=swiftshader`, so WebGL-heavy local renders could leave the biggest bottleneck on the CPU path. That made the existing flag naming easy to misread: `--gpu` sounded like it accelerated the whole render, but it did not change the browser frame-capture backend. ## What this fixes - Enables host browser GPU acceleration automatically for local CLI renders. - Adds `--no-browser-gpu` as the local opt-out for software Chrome/WebGL capture. - Keeps `--browser-gpu` as an explicit local browser-GPU request. - Adds `browserGpuMode: "software" | "hardware"` to engine config, with `PRODUCER_BROWSER_GPU_MODE` env support for lower-level producer users. - Keeps Docker browser capture on the deterministic software path. - Maps hardware browser GPU mode to platform-native Chrome backends: - macOS: Metal-backed ANGLE - Windows: D3D11-backed ANGLE - Linux: EGL - Blocks explicit `--browser-gpu --docker` with a clear error because Docker browser GPU passthrough is not cross-platform. - Clarifies docs so `--gpu` means FFmpeg encoder GPU and browser GPU means Chrome/WebGL capture GPU. - Keeps encoder backend selection auto-detected from FFmpeg capabilities: - NVIDIA: NVENC - macOS: VideoToolbox - Linux: VAAPI - Intel: QSV ## Why two flags There are two separate GPU surfaces in the render pipeline: 1. Browser GPU controls Chrome frame capture. - Affects WebGL, canvas, CSS rendering, compositing, and screenshot capture inside the browser. - This is enabled automatically for local CLI renders. - Use `--no-browser-gpu` when you want the software browser baseline. 2. `--gpu` controls FFmpeg video encoding. - Affects the final encode step after frames have already been captured. - The concrete encoder is auto-detected from the host FFmpeg build and hardware. - It can be faster for some machines/codecs, but it is not equivalent to browser rendering acceleration. The controls stay independent because users may want: - `hyperframes render` for the fast local default with browser GPU capture. - `hyperframes render --no-browser-gpu` for the software-browser local baseline. - `hyperframes render --gpu` for browser GPU capture plus hardware FFmpeg encoding. - `hyperframes render --no-browser-gpu --gpu` for software browser capture plus hardware FFmpeg encoding. - `hyperframes render --docker` for deterministic browser capture. ## Why `--gpu` does not imply browser GPU Keeping `--gpu` scoped to FFmpeg encoding avoids a semantic break and keeps the risk profile explicit: - `--gpu` already means encoder acceleration. Expanding it to also change Chrome capture would silently alter behavior for users who only wanted hardware encoding. - Browser GPU and encoder GPU have different portability. Encoder GPU can work in Docker when the host exposes the right devices; browser GPU passthrough is not cross-platform, so this PR intentionally blocks explicit `--browser-gpu --docker`. - The Apple presentation benchmark shows why the controls should stay separate: browser GPU capture was the useful improvement, while macOS VideoToolbox via `--gpu` was slower and produced larger output for this `standard` H.264 run. If HyperFrames later wants a single umbrella acceleration control, it should be explicit, for example `--acceleration browser|encoder|all` or `--gpu=browser|encoder|all`, rather than changing the meaning of the existing boolean `--gpu`. ## Root cause `buildChromeArgs()` always injected `--use-gl=angle --use-angle=swiftshader`. `disableGpu` only appended `--disable-gpu`; it did not provide a hardware-GPU mode. That made the public `--gpu` flag look broader than it was, because render capture stayed software-backed even when encoder GPU was requested. ## Verification ### Local checks - `bun install` - `bun run build:hyperframes-runtime` - `bun run --filter @hyperframes/engine test src/config.test.ts src/services/browserManager.test.ts` - `bun run --filter @hyperframes/cli test src/utils/dockerRunArgs.test.ts src/commands/render.test.ts` - `bun run --filter @hyperframes/cli typecheck` - `bun run --filter @hyperframes/engine typecheck` - `bun run --filter @hyperframes/producer typecheck` - `cd packages/producer && bunx vitest run src/services/renderOrchestrator.test.ts` - `bunx oxlint packages/cli/src/commands/render.ts packages/cli/src/commands/render.test.ts packages/cli/src/utils/dockerRunArgs.ts packages/cli/src/utils/dockerRunArgs.test.ts packages/engine/src/config.ts packages/engine/src/config.test.ts packages/engine/src/services/browserManager.ts packages/engine/src/services/browserManager.test.ts packages/producer/src/services/renderOrchestrator.test.ts` - `bunx oxfmt --check ...` on changed source/docs files - `git diff --check` - `bun packages/cli/src/cli.ts render --help | rg -n "browser-gpu|no-browser-gpu|GPU"` - `bun packages/cli/src/cli.ts render packages/producer/tests/css-spinner-render-compat/src --output /tmp/hf-auto-browser-gpu-smoke.mp4 --workers 1 --quality draft --fps 24 --strict` - Render plan prints `GPU: browser GPU (auto)`. - `bun packages/cli/src/cli.ts render packages/producer/tests/css-spinner-render-compat/src --no-browser-gpu --output /tmp/hf-software-browser-gpu-smoke.mp4 --workers 1 --quality draft --fps 24 --strict` - Render plan does not print browser GPU. - `bun packages/cli/src/cli.ts render packages/producer/tests/css-spinner-render-compat/src --docker --browser-gpu --output /tmp/should-not-render.mp4` - Exits 1 with `Browser GPU is local-only`. - `buildDockerRunArgs()` regression coverage asserts Docker container args include `--no-browser-gpu`, preventing nested container renders from re-enabling browser GPU through the local CLI default. - `resolveBrowserGpuForCli()` regression coverage asserts `PRODUCER_BROWSER_GPU_MODE=software` opts out when no CLI browser-GPU flag is supplied, while explicit `--browser-gpu` / `--no-browser-gpu` still win. - `ffmpeg -v error -i /tmp/hf-auto-browser-gpu-smoke.mp4 -f null -` - `ffmpeg -v error -i /tmp/hf-software-browser-gpu-smoke.mp4 -f null -` - `ffprobe -v error -show_entries format=duration:stream=codec_name,width,height,r_frame_rate -of json /tmp/hf-browser-gpu-smoke.mp4` -> H.264, 1920x1080, 24fps, 5.0s ### Apple presentation benchmark Rendered `/Users/miguel07code/Downloads/apple-presentation.zip` as supplied after extracting to `/tmp/hf-apple-profile/apple-presentation`. Fixed settings: - 1920x1080 - 30fps - `standard` quality - 4240 frames - 141.32s duration - 8-worker cap; render auto-calibration used 6 capture workers - macOS host detected FFmpeg GPU encoder: `videotoolbox` | Mode | Equivalent flags after this PR | Wall time | vs software-browser baseline | Speed | Capture | Encode | Output | | --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | | Software browser + CPU encode | `--no-browser-gpu` | 120.77s | baseline | 1.17x | 97.87s | 10.04s | 8.38MB | | Browser GPU + CPU encode | default local render | 70.10s | 42.0% faster | 2.02x | 50.72s | 9.91s | 8.39MB | | Software browser + encoder GPU | `--no-browser-gpu --gpu` | 133.16s | 10.3% slower | 1.06x | 103.58s | 18.31s | 25.43MB | | Browser GPU + encoder GPU | `--gpu` | 74.12s | 38.6% faster | 1.91x | 46.69s | 17.93s | 25.45MB | Result: browser GPU capture is the meaningful improvement for this WebGL/browser-capture-heavy presentation. VideoToolbox encoding was slower and produced larger files for this current `standard` H.264 path, so `--gpu` should stay separate and opt-in. Why `--gpu` plus browser GPU was slower than browser GPU alone: the combined run captured about 4.0s faster than browser GPU alone, but VideoToolbox encoding was about 8.0s slower than CPU x264 encoding, so the encode loss outweighed the capture gain. ### VideoToolbox flag check I also isolated the encode stage against the already-captured Apple frames to check whether macOS GPU encoding only needed special flags. `ffmpeg -h encoder=h264_videotoolbox` does not expose a CRF/CQ-style quality option like x264. It exposes bitrate-oriented and VideoToolbox-specific options such as `-b:v`, `-realtime`, `-profile`, `-coder`, `-prio_speed`, `-power_efficient`, and `-allow_sw`. That means our current `-q:v` mapping is not equivalent to x264 CRF and can produce very different bitrate/size behavior. Measured full-frame encode variants on this host: | VideoToolbox variant | Encode wall time | Output size | Bitrate | | --- | ---: | ---: | ---: | | Current `-q:v 64 -allow_sw 1` | 18.76s | 25.31MB | 1.43 Mbps | | Current without `-allow_sw 1` | 18.21s | 25.31MB | 1.43 Mbps | | `-b:v 500k -maxrate 750k -bufsize 1000k -profile high -coder cabac -realtime 1 -prio_speed 1 -power_efficient 0` | 20.58s | 7.42MB | 0.42 Mbps | | Same with `-b:v 1500k` | 20.84s | 16.70MB | 0.95 Mbps | | `-b:v 500k -profile baseline -coder cavlc -realtime 1 -prio_speed 1 -power_efficient 0` | 18.11s | 8.94MB | 0.51 Mbps | Conclusion: VideoToolbox can be made size/bitrate-predictable with explicit `--video-bitrate`, but the tested speed-oriented flags did not make it faster than CPU x264 wall time for this render. That reinforces keeping `--gpu` encoder acceleration explicit and separate from browser GPU capture. Artifacts from the local benchmark: - `/tmp/hf-apple-profile/results/cpu.mp4` - `/tmp/hf-apple-profile/results/browser-gpu.mp4` - `/tmp/hf-apple-profile/results/encoder-gpu.mp4` - `/tmp/hf-apple-profile/results/full-gpu.mp4` - `/tmp/hf-apple-profile/results/summary.json` All four benchmark MP4s completed `ffprobe` and full `ffmpeg -f null` decode checks. ### Pixel comparison Compared decoded MP4 output between software-browser and browser-GPU renders: - Apple presentation: - 4240 frames compared - 636 exact matching decoded frame hashes - 3604 different decoded frame hashes - Average PSNR: 57.79 dB - `css-spinner-render-compat` clean fixture: - 120 frames compared - 0 exact matching decoded frame hashes - Average PSNR: 61.57 dB Interpretation: browser GPU output is not strict hash/pixel-identical to the software-browser path after lossy H.264 encode, but the measured deltas are visually tiny. Above 50 dB PSNR is typically visually indistinguishable for normal video review. Use `--no-browser-gpu` or Docker when strict cross-run/cross-machine reproducibility matters more than local speed. ### Browser verification - Started HyperFrames Studio preview for `packages/producer/tests/css-spinner-render-compat/src`. - Used `agent-browser` to open `http://localhost:5191#project/src` and verify the composition loaded in Studio. - Screenshots: - `/tmp/hf-gpu-browser-proof/preview-loaded.png` - `/tmp/hf-gpu-browser-proof/preview-playing.png` - `/tmp/hf-gpu-browser-proof/preview-frame-60.png` - Agent-browser recordings: - `/tmp/hf-gpu-browser-proof/preview-playback.webm` - `/tmp/hf-gpu-browser-proof/preview-seek.webm` ## Notes - Browser GPU is enabled automatically for local CLI renders and disabled in Docker. - `--no-browser-gpu` is the opt-out for software Chrome/WebGL capture. - `--gpu` remains encoder-only and opt-in. - The Apple presentation zip has existing lint errors around unmanaged nested videos and imperative media `play()` calls. The benchmark still compares the same supplied source across modes, but it should not be treated as a clean deterministic-composition fixture.
This commit is contained in:
Miguel Ángel
@@ -0,0 +1,102 @@
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import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
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const producerState = vi.hoisted(() => ({
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createdJobs: [] as Array<Record<string, unknown>>,
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resolveConfigCalls: [] as Array<Record<string, unknown>>,
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}));
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vi.mock("../utils/producer.js", () => ({
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loadProducer: vi.fn(async () => ({
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resolveConfig: vi.fn((overrides: Record<string, unknown>) => {
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producerState.resolveConfigCalls.push(overrides);
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return { ...overrides, resolved: true };
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}),
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createRenderJob: vi.fn((config: Record<string, unknown>) => {
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producerState.createdJobs.push(config);
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return { config, progress: 100 };
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}),
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executeRenderJob: vi.fn(async () => undefined),
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})),
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}));
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vi.mock("../telemetry/events.js", () => ({
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trackRenderComplete: vi.fn(),
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trackRenderError: vi.fn(),
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}));
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describe("renderLocal browser GPU config", () => {
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const savedEnv = new Map<string, string | undefined>();
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function setEnv(key: string, value: string) {
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savedEnv.set(key, process.env[key]);
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process.env[key] = value;
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}
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beforeEach(() => {
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producerState.createdJobs = [];
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producerState.resolveConfigCalls = [];
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savedEnv.clear();
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});
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afterEach(() => {
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for (const [key, value] of savedEnv) {
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if (value === undefined) {
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delete process.env[key];
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} else {
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process.env[key] = value;
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}
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}
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vi.clearAllMocks();
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});
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it("passes an explicit software override for --no-browser-gpu even when env requests hardware", async () => {
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setEnv("PRODUCER_BROWSER_GPU_MODE", "hardware");
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const { renderLocal } = await import("./render.js");
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await renderLocal("/tmp/project", "/tmp/out.mp4", {
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fps: 30,
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quality: "standard",
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format: "mp4",
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gpu: false,
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browserGpu: false,
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hdrMode: "auto",
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quiet: true,
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});
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expect(producerState.resolveConfigCalls).toContainEqual({ browserGpuMode: "software" });
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expect(producerState.createdJobs[0]?.producerConfig).toMatchObject({
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browserGpuMode: "software",
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resolved: true,
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});
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});
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it("passes an explicit hardware override for default local browser GPU", async () => {
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const { renderLocal } = await import("./render.js");
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await renderLocal("/tmp/project", "/tmp/out.mp4", {
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fps: 30,
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quality: "standard",
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format: "mp4",
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gpu: false,
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browserGpu: true,
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hdrMode: "auto",
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quiet: true,
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});
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expect(producerState.resolveConfigCalls).toContainEqual({ browserGpuMode: "hardware" });
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expect(producerState.createdJobs[0]?.producerConfig).toMatchObject({
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browserGpuMode: "hardware",
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resolved: true,
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});
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});
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it("resolves browser GPU from CLI flags, Docker mode, and env fallback", async () => {
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const { resolveBrowserGpuForCli } = await import("./render.js");
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expect(resolveBrowserGpuForCli(false, undefined, undefined)).toBe(true);
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expect(resolveBrowserGpuForCli(false, undefined, "hardware")).toBe(true);
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expect(resolveBrowserGpuForCli(false, undefined, "software")).toBe(false);
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expect(resolveBrowserGpuForCli(false, true, "software")).toBe(true);
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expect(resolveBrowserGpuForCli(false, false, "hardware")).toBe(false);
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expect(resolveBrowserGpuForCli(true, undefined, "hardware")).toBe(false);
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});
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});
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@@ -9,6 +9,7 @@ export const examples: Example[] = [
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["High quality at 60fps", "hyperframes render --fps 60 --quality high --output hd.mp4"],
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["Deterministic render via Docker", "hyperframes render --docker --output deterministic.mp4"],
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["Parallel rendering with 6 workers", "hyperframes render --workers 6 --output fast.mp4"],
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["Opt out of browser GPU render", "hyperframes render --no-browser-gpu --output cpu.mp4"],
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["HDR output (auto-detected)", "hyperframes render --output hdr-output.mp4"],
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];
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import { cpus, freemem, tmpdir } from "node:os";
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@@ -99,6 +100,11 @@ export default defineCommand({
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description: "Target video bitrate such as 10M. Mutually exclusive with --crf.",
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},
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gpu: { type: "boolean", description: "Use GPU encoding", default: false },
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"browser-gpu": {
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type: "boolean",
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description:
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"Use host GPU acceleration for Chrome/WebGL capture. Enabled by default for local renders; use --no-browser-gpu to opt out.",
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},
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quiet: {
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type: "boolean",
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description: "Suppress verbose output",
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@@ -186,6 +192,8 @@ export default defineCommand({
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const useDocker = args.docker ?? false;
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const useGpu = args.gpu ?? false;
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const browserGpuArg = args["browser-gpu"];
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const useBrowserGpu = resolveBrowserGpuForCli(useDocker, browserGpuArg);
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const quiet = args.quiet ?? false;
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const strictAll = args["strict-all"] ?? false;
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const strictErrors = (args.strict ?? false) || strictAll;
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@@ -197,6 +205,15 @@ export default defineCommand({
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process.exit(1);
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}
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if (useDocker && browserGpuArg === true) {
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errorBox(
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"Browser GPU is local-only",
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"--browser-gpu uses the host Chrome GPU backend. Docker mode keeps browser rendering deterministic and does not expose a cross-platform Chrome GPU backend.",
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"Run without --docker, or use --gpu for Docker GPU encoding where your Docker host supports GPU passthrough.",
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);
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process.exit(1);
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}
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let crf: number | undefined;
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if (crfRaw != null) {
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const parsed = Number(crfRaw);
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@@ -227,6 +244,13 @@ export default defineCommand({
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c.dim(" \u2192 " + outputPath),
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);
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console.log(c.dim(" " + fps + "fps \u00B7 " + quality + " \u00B7 " + workerLabel));
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if (useGpu || useBrowserGpu) {
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const gpuModes = [
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useGpu ? "encoder GPU" : null,
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useBrowserGpu ? "browser GPU (auto)" : null,
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].filter(Boolean);
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console.log(c.dim(" GPU: " + gpuModes.join(" + ")));
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}
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console.log("");
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}
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@@ -312,6 +336,7 @@ export default defineCommand({
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format,
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workers,
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gpu: useGpu,
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browserGpu: useBrowserGpu,
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hdrMode: args.sdr ? "force-sdr" : args.hdr ? "force-hdr" : "auto",
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crf,
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videoBitrate,
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@@ -324,6 +349,7 @@ export default defineCommand({
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format,
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workers,
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gpu: useGpu,
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browserGpu: useBrowserGpu,
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hdrMode: args.sdr ? "force-sdr" : args.hdr ? "force-hdr" : "auto",
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crf,
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videoBitrate,
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@@ -340,6 +366,7 @@ interface RenderOptions {
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format: "mp4" | "webm" | "mov";
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workers?: number;
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gpu: boolean;
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browserGpu: boolean;
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hdrMode: "auto" | "force-hdr" | "force-sdr";
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crf?: number;
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videoBitrate?: string;
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@@ -347,6 +374,17 @@ interface RenderOptions {
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browserPath?: string;
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}
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export function resolveBrowserGpuForCli(
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useDocker: boolean,
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browserGpuArg: boolean | undefined,
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envMode = process.env.PRODUCER_BROWSER_GPU_MODE,
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): boolean {
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if (useDocker) return false;
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if (browserGpuArg !== undefined) return browserGpuArg;
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if (envMode === "software") return false;
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return true;
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}
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const DOCKER_IMAGE_PREFIX = "hyperframes-renderer";
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function dockerImageTag(version: string): string {
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@@ -464,6 +502,7 @@ async function renderDocker(
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format: options.format,
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workers: options.workers,
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gpu: options.gpu,
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browserGpu: options.browserGpu,
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hdrMode: options.hdrMode,
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crf: options.crf,
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videoBitrate: options.videoBitrate,
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@@ -508,7 +547,7 @@ async function renderDocker(
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printRenderComplete(outputPath, elapsed, options.quiet);
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}
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async function renderLocal(
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export async function renderLocal(
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projectDir: string,
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outputPath: string,
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options: RenderOptions,
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@@ -530,6 +569,9 @@ async function renderLocal(
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format: options.format,
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workers: options.workers,
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useGpu: options.gpu,
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producerConfig: producer.resolveConfig({
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browserGpuMode: options.browserGpu ? "hardware" : "software",
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}),
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hdrMode: options.hdrMode,
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crf: options.crf,
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videoBitrate: options.videoBitrate,
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@@ -19,11 +19,14 @@ Requires: Docker installed and running.
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- `-w, --workers` — Parallel workers 1-8 (default: auto)
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- `--crf` — Override encoder CRF (mutually exclusive with `--video-bitrate`)
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- `--video-bitrate` — Target video bitrate such as `10M` (mutually exclusive with `--crf`)
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- `--gpu` — Use GPU encoding (NVENC, VideoToolbox, VAAPI)
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- `--gpu` — Use GPU encoding (NVENC, VideoToolbox, VAAPI, QSV)
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- `--browser-gpu` / `--no-browser-gpu` — Use or opt out of host GPU acceleration for local Chrome/WebGL capture (enabled by default for local renders, disabled in Docker)
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- `-o, --output` — Custom output path
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## Tips
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- Use `draft` quality for fast previews during development
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- Local renders use browser GPU capture automatically; use `--no-browser-gpu` to compare against the software-browser path
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- Use `--gpu` when a local render also benefits from hardware FFmpeg encoding
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- Use `npx hyperframes benchmark` to find optimal settings
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- 4 workers is usually the sweet spot for most compositions
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@@ -6,6 +6,7 @@ const BASE: DockerRenderOptions = {
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quality: "standard",
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format: "mp4",
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gpu: false,
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browserGpu: false,
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hdrMode: "auto",
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crf: undefined,
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videoBitrate: undefined,
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@@ -42,6 +43,7 @@ describe("buildDockerRunArgs", () => {
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"standard",
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"--format",
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"mp4",
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"--no-browser-gpu",
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]
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`);
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});
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@@ -91,6 +93,7 @@ describe("buildDockerRunArgs", () => {
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"18",
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"--quiet",
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"--gpu",
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"--no-browser-gpu",
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"--hdr",
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]
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`);
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@@ -139,6 +142,11 @@ describe("buildDockerRunArgs", () => {
|
||||
expect(on).toContain("--gpu");
|
||||
});
|
||||
|
||||
it("forces software browser capture inside Docker", () => {
|
||||
const args = buildDockerRunArgs({ ...FIXED_INPUT, options: BASE });
|
||||
expect(args).toContain("--no-browser-gpu");
|
||||
});
|
||||
|
||||
it("forwards every renderer-shaped option (regression tripwire for silent drops)", () => {
|
||||
const args = buildDockerRunArgs({
|
||||
...FIXED_INPUT,
|
||||
@@ -148,6 +156,7 @@ describe("buildDockerRunArgs", () => {
|
||||
format: "webm",
|
||||
workers: 8,
|
||||
gpu: true,
|
||||
browserGpu: false,
|
||||
hdrMode: "force-hdr",
|
||||
crf: 16,
|
||||
videoBitrate: undefined,
|
||||
@@ -165,6 +174,7 @@ describe("buildDockerRunArgs", () => {
|
||||
expect(args).toContain("16");
|
||||
expect(args).toContain("--quiet");
|
||||
expect(args).toContain("--gpu");
|
||||
expect(args).toContain("--no-browser-gpu");
|
||||
expect(args).toContain("--hdr");
|
||||
});
|
||||
|
||||
|
||||
@@ -24,6 +24,7 @@ export interface DockerRenderOptions {
|
||||
format: "mp4" | "webm" | "mov";
|
||||
workers?: number;
|
||||
gpu: boolean;
|
||||
browserGpu: boolean;
|
||||
hdrMode: "auto" | "force-hdr" | "force-sdr";
|
||||
crf?: number;
|
||||
videoBitrate?: string;
|
||||
@@ -59,6 +60,7 @@ export function buildDockerRunArgs(input: DockerRunArgsInput): string[] {
|
||||
...(options.videoBitrate ? ["--video-bitrate", options.videoBitrate] : []),
|
||||
...(options.quiet ? ["--quiet"] : []),
|
||||
...(options.gpu ? ["--gpu"] : []),
|
||||
...(options.browserGpu ? [] : ["--no-browser-gpu"]),
|
||||
...(options.hdrMode === "force-hdr" ? ["--hdr"] : []),
|
||||
...(options.hdrMode === "force-sdr" ? ["--sdr"] : []),
|
||||
];
|
||||
|
||||
Reference in New Issue
Block a user