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253 changed files with 4787 additions and 8907 deletions
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@@ -31,9 +31,9 @@ log "Setting up Modal authentication from Buildkite secrets..."
MODAL_TOKEN_ID=$(buildkite-agent secret get modal_token_id)
MODAL_TOKEN_SECRET=$(buildkite-agent secret get modal_token_secret)
# Retrieve other secrets
WANDB_API_KEY=$(buildkite-agent secret get wandb_api_key)
HF_API_KEY=$(buildkite-agent secret get hf_api_key)
WANDB_API_KEY=$(buildkite-agent secret get wandb_api_key)
if [ -n "$MODAL_TOKEN_ID" ] && [ -n "$MODAL_TOKEN_SECRET" ]; then
log "Retrieved Modal credentials from Buildkite secrets"
@@ -63,15 +63,15 @@ MODAL_ENV="BUILDKITE_REPO=$BUILDKITE_REPO BUILDKITE_COMMIT=$BUILDKITE_COMMIT BUI
case "$TEST_TYPE" in
"encoder")
log "Running encoder tests..."
MODAL_COMMAND="$MODAL_ENV HF_API_KEY=$HF_API_KEY python3 -m modal run $MODAL_TEST_FILE::run_encoder_tests"
MODAL_COMMAND="$MODAL_ENV python3 -m modal run $MODAL_TEST_FILE::run_encoder_tests"
;;
"vae")
log "Running VAE tests..."
MODAL_COMMAND="$MODAL_ENV HF_API_KEY=$HF_API_KEY python3 -m modal run $MODAL_TEST_FILE::run_vae_tests"
MODAL_COMMAND="$MODAL_ENV python3 -m modal run $MODAL_TEST_FILE::run_vae_tests"
;;
"transformer")
log "Running transformer tests..."
MODAL_COMMAND="$MODAL_ENV HF_API_KEY=$HF_API_KEY python3 -m modal run $MODAL_TEST_FILE::run_transformer_tests"
MODAL_COMMAND="$MODAL_ENV python3 -m modal run $MODAL_TEST_FILE::run_transformer_tests"
;;
"ssim")
log "Running SSIM tests..."
+45 -18
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@@ -1,55 +1,82 @@
name: Deploy Documentation
# Sample workflow for building and deploying a Hugo site to GitHub Pages
name: Deploy FastVideo Docs to Pages
on:
# Runs on pushes targeting the default branch
push:
branches: [ main ]
branches:
- main
paths:
- "docs/**/*.md"
- "fastvideo/examples/**/*.py"
pull_request:
branches: [ main ]
branches:
- main
types: [opened, ready_for_review, synchronize, reopened]
paths:
- "docs/**/*.md"
- "fastvideo/examples/**/*.py"
# Allows you to run this workflow manually from the Actions tab
workflow_dispatch:
# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
permissions:
contents: read
pages: write
id-token: write
# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
concurrency:
group: "pages"
cancel-in-progress: false
# Default to bash
defaults:
run:
shell: bash
jobs:
pre-commit:
uses: ./.github/workflows/pre-commit.yml
# Build job
build:
runs-on: ubuntu-latest
needs: pre-commit
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Setup Python
- name: Setup Pages
id: pages
uses: actions/configure-pages@v5
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: '3.12'
python-version: "3.10"
- name: Install dependencies
run: |
python -m pip install --upgrade pip
pip install -r requirements-mkdocs.txt
- name: Setup Pages
uses: actions/configure-pages@v4
- name: Build documentation
run: mkdocs build
cd docs
pip install -r requirements-docs.txt
- name: Build docs
run: |
cd docs
make clean
make html
- name: Upload artifact
uses: actions/upload-pages-artifact@v3
with:
path: ./site
path: ./docs/build/html
# Deployment job
deploy:
environment:
name: github-pages
url: ${{ steps.deployment.outputs.page_url }}
if: ${{ github.event_name == 'push' }}
runs-on: ubuntu-latest
needs: build
if: github.ref == 'refs/heads/main'
steps:
- name: Deploy to GitHub Pages
id: deployment
+1 -1
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@@ -352,7 +352,7 @@ jobs:
volume_size: 100
disk_size: 100
image: "ghcr.io/${{ github.repository }}/fastvideo-dev:py3.12-latest"
test_command: "uv pip install -e .[test] && pytest ./fastvideo/dataset/ -vs && pytest ./fastvideo/workflow/ -vs && pytest ./fastvideo/entrypoints/ -vs"
test_command: "uv pip install -e .[test] && pytest ./fastvideo/dataset/ -vs && pytest ./fastvideo/workflow/ -vs"
timeout_minutes: 30
secrets:
RUNPOD_API_KEY: ${{ secrets.RUNPOD_API_KEY }}
+7 -10
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@@ -14,8 +14,6 @@ wandb/
*.pt
cache_dir/
wandb/
venv/
.venv/
runs/
samples/
*validation/
@@ -39,13 +37,12 @@ dist/
eggs/
.eggs/
# MkDocs documentation
site/
docs/getting_started/examples/
docs/inference/examples/
docs/training/examples/
docs/distillation/examples/
!requirements-mkdocs.txt
# Sphinx documentation
docs/_build/
docs/source/getting_started/examples/
docs/source/inference/examples/
docs/source/training/examples/
docs/source/distillation/examples/
# VSCode
.vscode/
@@ -64,7 +61,7 @@ docs/distillation/examples/
!fastvideo/tests/ssim/reference_videos/**/*.mp4
# Static images
!docs/assets/images/**/*.png
!docs/source/_static/images/**/*.png
!comfyui/assets/**/*.png
!comfyui/assets/**/*.gif
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@@ -7,7 +7,7 @@
FastVideo features an end-to-end unified pipeline for accelerating diffusion models, starting from data preprocessing to model training, finetuning, distillation, and inference. FastVideo is designed to be modular and extensible, allowing users to easily add new optimizations and techniques. Whether it is training-free optimizations or post-training optimizations, FastVideo has you covered.
<p align="center">
| 🕹️ <a href="https://fastwan.fastvideo.org/"<b>Online Demo</b></a> | <a href="https://hao-ai-lab.github.io/FastVideo"><b>Documentation</b></a> | <a href="https://hao-ai-lab.github.io/FastVideo/inference/inference_quick_start.html"><b> Quick Start</b></a> | 🤗 <a href="https://huggingface.co/collections/FastVideo/fastwan-6886a305d9799c8cd1496408" target="_blank"><b>FastWan</b></a> | 🟣💬 <a href="https://join.slack.com/t/fastvideo/shared_invite/zt-3csdw1isz-Euq8_Q8~baewG8hxjXs2gQ" target="_blank"> <b>Slack</b> </a> | 🟣💬 <a href="https://ibb.co/tMwknPLY" target="_blank"> <b> WeChat </b> </a> |
| 🕹️ <a href="https://fastwan.fastvideo.org/"<b>Online Demo</b></a> | <a href="https://hao-ai-lab.github.io/FastVideo"><b>Documentation</b></a> | <a href="https://hao-ai-lab.github.io/FastVideo/inference/inference_quick_start.html"><b> Quick Start</b></a> | 🤗 <a href="https://huggingface.co/collections/FastVideo/fastwan-6886a305d9799c8cd1496408" target="_blank"><b>FastWan</b></a> | 🟣💬 <a href="https://join.slack.com/t/fastvideo/shared_invite/zt-3csdw1isz-Euq8_Q8~baewG8hxjXs2gQ" target="_blank"> <b>Slack</b> </a> | 🟣💬 <a href="https://ibb.co/q46BbX6" target="_blank"> <b> WeChat </b> </a> |
</p>
<div align="center">
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@@ -1,18 +0,0 @@
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@@ -72,15 +72,6 @@ We give a demo for 2D STA with window size (6,6) operating on a (10, 10) image.
https://github.com/user-attachments/assets/f3b6dd79-7b43-4b60-a0fa-3d6495ec5747
## STA Configuration Logic
Here is a diagram of how the window is configured and passed through the FastVideo pipeline:
<div align="center">
<img src="../../../docs/assets/images/STA_configuration.png" width="80%"/>
</div>
## Why is STA Fast?
2D/3D Sliding Window Attention (SWA) creates many mixed blocks in the attention map. Even though mixed blocks have less output value,a mixed block is significantly slower than a dense block due to the GPU-unfriendly masking operation.
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@@ -0,0 +1,452 @@
{
"data": [
{
"prompt": "Young man skating with a skateboard on the ramps with graffiti of a park with trees, on a sunny day.",
"image_path": "images/mixkit-boy-skating-with-a-skateboard-in-a-park-with-ramps-34389.png"
},
{
"prompt": "In the midst of the joyous New Year's Eve celebration, the cheerful group of friends, their spirits lifted by the festivities, decides to immortalize the moment with a vibrant snapshot",
"image_path": "images/mixkit-a-cheerful-group-of-friends-celebrate-new-years-eve-and-51525.png"
},
{
"prompt": "A man and a woman playing in a field with grass, during a bright afternoon, while cars pass by in the distance.",
"image_path": "images/mixkit-a-cute-couple-playing-on-the-grass-4688.png"
},
{
"prompt": "Aerial view of a rocky mountain in the forest at a sunny day drone flight footage",
"image_path": "images/mixkit-aerial-view-of-a-rocky-mountain-in-the-forest-50589.png"
},
{
"prompt": "A little girl wearing a pink security helmet and denim overall discovers the art of cycling amidst the serene park, as the camera captures her graceful progress.",
"image_path": "images/mixkit-a-little-girl-cruises-through-the-forest-path-on-her-50088.png"
},
{
"prompt": "Aerial shot of a beach shore with sea waves. Big rocks on the sand at an alone beach.",
"image_path": "images/mixkit-aerial-shot-of-a-beach-with-sea-waves-1087.png"
},
{
"prompt": "Young woman cleaning her house decorated with plants and decorations, while dancing happily to music in her headphones.",
"image_path": "images/mixkit-woman-cleaning-her-house-dancing-happy-43379.png"
},
{
"prompt": "Aerial tour in a meadow surrounded by hills on the horizon, while some birds fly low over a lake.",
"image_path": "images/mixkit-birds-flying-low-over-a-lake-in-a-meadow-41417.png"
},
{
"prompt": "In the video, a lone rider guides a majestic horse across an expansive, open field as the sun sets in the background. The rider, dressed in a classic blue shirt and wide-brimmed hat, sits confidently in the saddle, silhouetted against the warm glow of the evening sky. The horse moves gracefully, its mane and tail flowing with each step, creating a sense of harmony between horse and rider. Surrounding the pair, towering trees form a natural border, their leaves gently rustling in the breeze. The shadows lengthen on the ground, accentuating the serene and timeless feel of the scene. The distant hills and wooden fences frame the horizon, adding depth to the tranquil landscape. A few horses graze peacefully in the background, blending into the pastoral setting. The overall ambiance evokes a sense of calmness and quietude, capturing a perfect moment in the golden light of dusk.",
"image_path": "images/mixkit-a-rancher-riding-a-horse-at-sunset-1143.png"
},
{
"prompt": "In the video, a martial artist dressed in a traditional white uniform with a black belt demonstrates a series of precise movements against a stark black background. The individual gracefully transitions between stances, embodying a sense of focused discipline and control. Each motion is executed with a deliberate pace, showcasing the fluidity of martial arts techniques. The soft lighting creates subtle highlights on the uniform, adding depth to the figure as it moves. The practitioner begins with an open-hand pose, feet firmly grounded, gradually shifting to a powerful forward punch. The fluidity of the sequence displays a mastery of balance and poise. Every trajectory of the limbs is precise and deliberate, capturing the elegance and strength of martial arts. The serene, isolated setting enhances the intensity and concentration of the practitioner. This visual presentation is an elegant interplay of motion and stillness, displaying the art form's discipline and grace.",
"image_path": "images/mixkit-a-young-man-practicing-his-karate-moves-49635.png"
},
{
"prompt": "In a serene and softly lit yoga studio, three individuals engage in a yoga session, each performing an upward-facing stretch. The central figure is a woman with shoulder-length brown hair, dressed in a light cropped top and green leggings, her posture reflecting grace and concentration. To her right, another participant, a woman in a purple outfit, mirrors the pose with equal poise. On her left, a person with a bun focuses intently, supported slightly by yoga blocks beneath their hands. The warm-colored wooden floor contrasts soothingly with the soft pastel mural on the back wall, featuring an abstract design and partial visage of a serene face. Natural light floods the space from a large window on the right, where lush greens peek through, adding an element of tranquility. In the corner of the room, a collection of meditation instruments, including a gong and a Buddha statue, subtly frame the peaceful setting. The mood is calm yet focused, as all three participants are deeply engaged in their practice. The scene combines elements of balance, harmony, and a shared journey towards mindfulness. This depiction captures the essence of a yoga session that blends personal growth with collective experience.",
"image_path": "images/mixkit-small-group-of-people-doing-yoga-together-43730.png"
},
{
"prompt": "In the deep blue expanse of the ocean, two dolphins glide effortlessly, their sleek bodies reflecting the sunlight filtering through the water. The prominent shadows and caustics create a shimmering effect on their skin, capturing the beauty of their natural habitat. Each dolphin moves with a fluid grace, occasionally interacting with gentle nudges, showcasing their playful and social nature. The scene is vibrant and dynamic, with the clear blue background accentuating the dolphins' movements, making it an ideal subject for AI recreation.",
"image_path": "images/mixkit-dolphins-underwater-4133.png"
},
{
"prompt": "A bustling ski slope comes alive with skiers descending a pristine, snow-covered hill, surrounded by towering, snow-draped evergreens. Several figures stand atop the slope, silhouetted against a clear blue sky, preparing to embark on their ski run. The chair lift on the right continuously drops off eager adventurers, adding to the excitement at the hilltop. Each skier, clad in colorful winter gear, carves distinct paths into the textured snow as they weave their way down. The interplay of sunlight and shadows accentuates the myriad tracks etched into the slope, creating a dynamic visual rhythm. The scene captures a vibrant winter wonderland, full of action and the thrill of a perfect ski day.",
"image_path": "images/mixkit-skiers-on-a-snowy-slope-3327.png"
},
{
"prompt": "A determined climber is scaling a massive rock face, showcasing exceptional strength and skill. The person, clad in a teal shirt and dark pants, climbs with precision, their movements measured and deliberate. They are secured by climbing gear, which includes ropes and a harness, emphasizing their commitment to safety. The rugged texture of the sandy-colored rock provides an imposing backdrop, adding drama and scale to the climb. In the distance, other large rock formations and sparse vegetation can be seen under a bright, overcast sky, contributing to the natural and adventurous atmosphere. The scene captures a moment of focus and challenge, highlighting the climber's tenacity and the breathtaking environment.",
"image_path": "images/mixkit-alpinist-climbing-a-huge-rock-in-a-desert-43306.png"
},
{
"prompt": "A silver SUV drives along a winding, snow-covered mountain road, with dense pine trees blanketed in snow lining both sides. The scene is serene, with the vehicle moving smoothly, possibly on a winter journey or vacation. As the SUV disappears around the bend, another, darker SUV follows, creating a sense of motion and perspective on the snow-dusted asphalt. The towering, snow-laden rock formation to the right contrasts with the dark green of the pines, highlighting the peacefulness of the wintry landscape.",
"image_path": "images/mixkit-curve-on-a-snowy-forest-road-3317.png"
},
{
"prompt": "A solitary boat glides across the expansive, tranquil expanse of a serene lake. The vessel leaves a gentle wake behind, creating delicate ripples across the mirror-like surface. The water appears a rich shade of teal, seamlessly blending with the sky at the horizon. Silhouettes of distant trees are faintly visible, creating a picturesque backdrop that enhances the solitary journey of the boat. The sky is a calm gradient, shifting from soft oranges near the shore to the pale blues above. In the distance, a few slender poles emerge from the water, remnants of an old structure or natural formation. The mood of the scene is one of peace and solitude, with the boat journeying steadily through the quiet landscape. There is a sense of endless possibilities as the boat moves toward the unseen beyond the frame. The simplicity and stillness of the scene invite contemplation and reflection, encapsulating a perfect moment of quietude on the water.",
"image_path": "images/mixkit-motorboat-on-a-large-lake-with-turquoise-blue-waters-4996.png"
},
{
"prompt": "Far shot from high behind a beach on a sunny day, with crowds of people everywhere, buildings and hotels behind, and the sea on the horizon as ships cross it.",
"image_path": "480P_i2v_mixkit_images/Far shot from high behind a beach on a sunny day, with crowds of people everywhere, buildings and ho.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Skillful cyclist doing a wheelie on a bike while riding through a forest, on a dirt road, surrounded by many trees, in the morning.",
"image_path": "480P_i2v_mixkit_images/Skillful cyclist doing a wheelie on a bike while riding through a forest, on a dirt road, surrounded.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Portrait of a man with a mask and fluorescent paint dancing in front of the camera, under a blue party light.",
"image_path": "480P_i2v_mixkit_images/Portrait of a man with a mask and fluorescent paint dancing in front of the camera, under a blue par.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Timelapse of a luxury swimming pool in a boutique hotel.",
"image_path": "480P_i2v_mixkit_images/Timelapse of a luxury swimming pool in a boutique hotel..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Man dressed in 80's style dances very happily in his kitchen while listening to music on his radio and drinking wine.",
"image_path": "480P_i2v_mixkit_images/Man dressed in 80's style dances very happily in his kitchen while listening to music on his radio a.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Romantic couple embracing and looking at each other in the middle of a forest, during a break on a road trip through nature.",
"image_path": "480P_i2v_mixkit_images/Romantic couple embracing and looking at each other in the middle of a forest, during a break on a r.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Big city with many big buildings and a big capitol, in a view from a slow drive through the heights in the afternoon.",
"image_path": "480P_i2v_mixkit_images/Big city with many big buildings and a big capitol, in a view from a slow drive through the heights .jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "A man appears in different parts of an abandoned building, standing in the dark, swinging a baseball bat, outside.",
"image_path": "480P_i2v_mixkit_images/A man appears in different parts of an abandoned building, standing in the dark, swinging a baseball.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Many small lights out of focus yellow and blue and of different intensities, at night on a blue background.",
"image_path": "480P_i2v_mixkit_images/Many small lights out of focus yellow and blue and of different intensities, at night on a blue back.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Pair of jazz musicians performing a song with their saxophone and trombone on an abandoned train.",
"image_path": "480P_i2v_mixkit_images/Pair of jazz musicians performing a song with their saxophone and trombone on an abandoned train..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Pair of mountain bikers climbing a slope in the forest covered with rocks, with abundant trees and vegetation around.",
"image_path": "480P_i2v_mixkit_images/Pair of mountain bikers climbing a slope in the forest covered with rocks, with abundant trees and v.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "A model with cyberpunk makeup poses in front of a neon light circle background.",
"image_path": "480P_i2v_mixkit_images/A model with cyberpunk makeup poses in front of a neon light circle background..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Couple of boy and girl walking hand in hand through a meadow among many cows that feed on grass and grass.",
"image_path": "480P_i2v_mixkit_images/Couple of boy and girl walking hand in hand through a meadow among many cows that feed on grass and .jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Natural coastal relief on a sunny day, with large hills covered with dry grass in an arid climate, in a panoramic aerial view.",
"image_path": "480P_i2v_mixkit_images/Natural coastal relief on a sunny day, with large hills covered with dry grass in an arid climate, i.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Young woman lying on her bed, while chatting on her cell phone, in a close-up shot of her hands typing on the phone.",
"image_path": "480P_i2v_mixkit_images/Young woman lying on her bed, while chatting on her cell phone, in a close-up shot of her hands typi.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Meadow with a frozen lake in a forest of pines covered in snow and fog.",
"image_path": "480P_i2v_mixkit_images/Meadow with a frozen lake in a forest of pines covered in snow and fog..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Aerial shot of buses and cars on the freeway with a cloudy sky in the background.",
"image_path": "480P_i2v_mixkit_images/Aerial shot of buses and cars on the freeway with a cloudy sky in the background..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Beautiful countryside meadow during summer with trees, grass and little yellow flowers in the ground on a sunny day.",
"image_path": "480P_i2v_mixkit_images/Beautiful countryside meadow during summer with trees, grass and little yellow flowers in the ground.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "A man wearing grey shorts jumps rope in a gym, weights and gym equipment in the background.",
"image_path": "480P_i2v_mixkit_images/A man wearing grey shorts jumps rope in a gym, weights and gym equipment in the background..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "A young woman wearing a black mini skirt, a red sleeveless shirt and a red Santa hat stands on a stage and sings into a microphone. In the background, a guitar player.",
"image_path": "480P_i2v_mixkit_images/A young woman wearing a black mini skirt, a red sleeveless shirt and a red Santa hat stands on a sta.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Little baby with a pacifier, playing with a teddy bear, accompanied by his mom, both sitting on a bed, in a close view.",
"image_path": "480P_i2v_mixkit_images/Little baby with a pacifier, playing with a teddy bear, accompanied by his mom, both sitting on a be.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "A saxophonist wearing a blazer dances while playing a song in a park.",
"image_path": "480P_i2v_mixkit_images/A saxophonist wearing a blazer dances while playing a song in a park..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "A young woman with short hair wearing pink sunglasses chews gum and makes a bubble gum with the city in the background.",
"image_path": "480P_i2v_mixkit_images/A young woman with short hair wearing pink sunglasses chews gum and makes a bubble gum with the city.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "White flowers from a bridal bouquet, with the background out of focus.",
"image_path": "480P_i2v_mixkit_images/White flowers from a bridal bouquet, with the background out of focus..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Silhouette of a person looking at an image projected in front, with spectra and light patterns rotating around a center in the background.",
"image_path": "480P_i2v_mixkit_images/Silhouette of a person looking at an image projected in front, with spectra and light patterns rotat.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Natural aerial landscape with a relief covered with abundant trees and vegetation and a thick layer of mist.",
"image_path": "480P_i2v_mixkit_images/Natural aerial landscape with a relief covered with abundant trees and vegetation and a thick layer .jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Boy dancing happily and cheerfully in a room set in the 80s.",
"image_path": "480P_i2v_mixkit_images/Boy dancing happily and cheerfully in a room set in the 80s..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Close up video of the legs of a young gymnast woman doing some acrobatics on a balance beam in a dark and empty gym.",
"image_path": "480P_i2v_mixkit_images/Close up video of the legs of a young gymnast woman doing some acrobatics on a balance beam in a dar.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Female scientist in a laboratory, with test tube, and more containers, looking through the lens of a microscope.",
"image_path": "480P_i2v_mixkit_images/Female scientist in a laboratory, with test tube, and more containers, looking through the lens of a.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Young woman getting makeup done by a professional makeup artist for a winter concept fashion photo shoot.",
"image_path": "480P_i2v_mixkit_images/Young woman getting makeup done by a professional makeup artist for a winter concept fashion photo s.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Loving couple sitting on a log on the shore of a lake outside, sharing an affectionate hug.",
"image_path": "480P_i2v_mixkit_images/Loving couple sitting on a log on the shore of a lake outside, sharing an affectionate hug..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Small family of father, mother and daughter, walking together through nature in a forest.",
"image_path": "480P_i2v_mixkit_images/Small family of father, mother and daughter, walking together through nature in a forest..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Flying over a peninsula covered in bushy trees, while discovering the sea around it, painted a beautiful turquoise blue, on a sunny day.",
"image_path": "480P_i2v_mixkit_images/Flying over a peninsula covered in bushy trees, while discovering the sea around it, painted a beaut.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "A woman with long blonde hair wearing a white t-shirt and black bikini bottoms stands on a wooden deck smiling, with the beach and palm trees in the background.",
"image_path": "480P_i2v_mixkit_images/A woman with long blonde hair wearing a white t-shirt and black bikini bottoms stands on a wooden de.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "View towards the horizon in a flat desert at night, as the full moon glows brightly red.",
"image_path": "480P_i2v_mixkit_images/View towards the horizon in a flat desert at night, as the full moon glows brightly red..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "100 dollar bill thrown in the street seen up close with the background out of focus, while a person arrives, picks it up and walks away.",
"image_path": "480P_i2v_mixkit_images/100 dollar bill thrown in the street seen up close with the background out of focus, while a person .jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Flying over a forest of abundant trees and vegetation, with a river and a dam, with houses and hills in the surroundings.",
"image_path": "480P_i2v_mixkit_images/Flying over a forest of abundant trees and vegetation, with a river and a dam, with houses and hills.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Artistic portrait of a man with his body and face stained with phosphorescent paint that glows with black light in a dark place.",
"image_path": "480P_i2v_mixkit_images/Artistic portrait of a man with his body and face stained with phosphorescent paint that glows with .jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Aerial view of the calm blue sea made with a drone showing the horizon and the sea.",
"image_path": "480P_i2v_mixkit_images/Aerial view of the calm blue sea made with a drone showing the horizon and the sea..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Cars driving on a two way street underneath a tree, with traffic signs, buildings and the sun in the background.",
"image_path": "480P_i2v_mixkit_images/Cars driving on a two way street underneath a tree, with traffic signs, buildings and the sun in the.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Face of a young woman, close up portrait",
"image_path": "480P_i2v_mixkit_images/Face of a young woman, close up portrait.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Man with his body splattered with fluorescent paint while doing a slow conceptual dance, under a black light in a dark place with colored spotlights around.",
"image_path": "480P_i2v_mixkit_images/Man with his body splattered with fluorescent paint while doing a slow conceptual dance, under a bla.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Two women dressed in colorful retro styles, having fun taking photos in a room with lots of pastel colors.",
"image_path": "480P_i2v_mixkit_images/Two women dressed in colorful retro styles, having fun taking photos in a room with lots of pastel c.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "The silhouette of a person who moves his head reflects inside a city with tall buildings next to a lake.",
"image_path": "480P_i2v_mixkit_images/The silhouette of a person who moves his head reflects inside a city with tall buildings next to a l.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "View from a car window of the trees lining the road speeding by, with the dazzling sunlight in the sky, in a retro looking video.",
"image_path": "480P_i2v_mixkit_images/View from a car window of the trees lining the road speeding by, with the dazzling sunlight in the s.jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Aerial view of two people on a tennis court playing tennis.",
"image_path": "480P_i2v_mixkit_images/Aerial view of two people on a tennis court playing tennis..jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "View from the floor upwards of a young woman with long dark hair dancing slowly in green and purple neon lights",
"image_path": "480P_i2v_mixkit_images/View from the floor upwards of a young woman with long dark hair dancing slowly in green and purple .jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
},
{
"prompt": "Some friends dancing and having fun together in circles, at a party surrounded by colored lights at a party, in a fancy old place, in a view from below them.",
"image_path": "480P_i2v_mixkit_images/Some friends dancing and having fun together in circles, at a party surrounded by colored lights at .jpg",
"num_inference_steps": 3,
"height": 448,
"width": 832,
"num_frames": 61
}
]
}
-80
View File
@@ -1,80 +0,0 @@
FROM nvidia/cuda:12.8.0-cudnn-devel-ubuntu22.04
ENV DEBIAN_FRONTEND=noninteractive
SHELL ["/bin/bash", "-c"]
WORKDIR /FastVideo
RUN apt-get update && apt-get install -y --no-install-recommends \
wget \
git \
ca-certificates \
openssh-server \
zsh \
vim \
curl \
gcc-11 \
g++-11 \
clang-11 \
&& rm -rf /var/lib/apt/lists/*
# Set up C++20 compilers for ThunderKittens
RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100 --slave /usr/bin/g++ g++ /usr/bin/g++-11
# Set CUDA environment variables
ENV CUDA_HOME=/usr/local/cuda-12.8
ENV PATH=${CUDA_HOME}/bin:${PATH}
ENV LD_LIBRARY_PATH=${CUDA_HOME}/lib64:$LD_LIBRARY_PATH
# Install Miniconda and create conda environment
COPY Miniconda3-latest-Linux-x86_64.sh /tmp/miniconda.sh
RUN bash /tmp/miniconda.sh -b -p /opt/conda && rm /tmp/miniconda.sh
ENV PATH=/opt/conda/bin:${PATH}
RUN /opt/conda/bin/conda tos accept --override-channels --channel https://repo.anaconda.com/pkgs/main
RUN /opt/conda/bin/conda tos accept --override-channels --channel https://repo.anaconda.com/pkgs/r
RUN /opt/conda/bin/conda update -y -n base conda && \
/opt/conda/bin/conda create -y -n fastvideo python=3.12 && \
/opt/conda/bin/conda clean -afy
ENV PATH=/opt/conda/envs/fastvideo/bin:/opt/conda/bin:${PATH}
# Copy just the pyproject.toml first to leverage Docker cache
COPY pyproject.toml ./
# Create a dummy README to satisfy the installation
RUN echo "# Placeholder" > README.md
# Install project dependencies inside the conda environment
RUN source /opt/conda/etc/profile.d/conda.sh && \
conda activate fastvideo && \
pip install --no-cache-dir --upgrade pip && \
pip install --no-cache-dir .[dev] && \
pip install --no-cache-dir flash-attn==2.8.3 --no-build-isolation
COPY . .
# Install dependencies using pip inside conda env and set up shell configuration
RUN source /opt/conda/etc/profile.d/conda.sh && \
conda activate fastvideo && \
pip install --no-cache-dir -e .[dev] && \
git config --unset-all http.https://github.com/.extraheader || true && \
echo 'source /opt/conda/etc/profile.d/conda.sh && conda activate fastvideo' >> /root/.bashrc && \
echo 'if [ -n "$ZSH_VERSION" ] && [ -f ~/.zshrc ]; then . ~/.zshrc; elif [ -f ~/.bashrc ]; then . ~/.bashrc; fi' > /root/.profile
# Install STA (Sliding Tile Attention)
RUN source /opt/conda/etc/profile.d/conda.sh && \
conda activate fastvideo && \
cd csrc/attn/sliding_tile_attn && \
git submodule update --init --recursive && \
python setup.py install
# Install VSA
RUN source /opt/conda/etc/profile.d/conda.sh && \
conda activate fastvideo && \
cd csrc/attn/video_sparse_attn && \
git submodule update --init --recursive && \
python setup.py install
EXPOSE 22
ENTRYPOINT ["/bin/bash", "-lc", "source /opt/conda/etc/profile.d/conda.sh && conda activate fastvideo && exec /FastVideo/examples/inference/gradio/start.sh"]
+26
View File
@@ -0,0 +1,26 @@
# Minimal makefile for Sphinx documentation
#
# You can set these variables from the command line, and also
# from the environment for the first two.
SPHINXOPTS ?=
SPHINXBUILD ?= sphinx-build
SOURCEDIR = source
BUILDDIR = build
# Put it first so that "make" without argument is like "make help".
help:
@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
.PHONY: help Makefile
# Catch-all target: route all unknown targets to Sphinx using the new
# "make mode" option. $(O) is meant as a shortcut for $(SPHINXOPTS).
%: Makefile
@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
clean:
@$(SPHINXBUILD) -M clean "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
rm -rf "$(SOURCEDIR)/getting_started/examples"
rm -rf "$(SOURCEDIR)/inference/examples"
rm -rf "$(SOURCEDIR)/training/examples"
+10 -29
View File
@@ -1,39 +1,20 @@
# FastVideo Documentation
# FastVideo documents
This directory contains the FastVideo documentation built with MkDocs.
## Build the docs locally
## Build the docs
```bash
# Install dependencies
pip install -r docs/requirements-mkdocs.txt
# Install dependencies.
pip install -r requirements-docs.txt
# Serve docs with live reload (recommended for development)
mkdocs serve
# Or build static site
mkdocs build
# Build the docs.
make clean
make html
```
## View the docs
### Development server (with live reload)
## Open the docs with your browser
```bash
mkdocs serve
python -m http.server -d build/html/
```
Then open your browser to: http://127.0.0.1:8000
### Static build
```bash
mkdocs build
python -m http.server -d site/
```
Then open your browser to: http://localhost:8000
## Automatic Deployment
Documentation is automatically built and deployed to GitHub Pages when changes are pushed to the `main` branch via the `.github/workflows/docs.yml` workflow.
Launch your browser and open localhost:8000.
-248
View File
@@ -1,248 +0,0 @@
# FastVideo API Reference
This page contains the complete API reference for the FastVideo library.
## fastvideo
### Modules
| Name | Description |
|------|-------------|
| [attention](#fastvideoattention) | Attention mechanisms and backends for video generation |
| [configs](#fastvideoconfigs) | Configuration classes for pipelines, models, and sampling |
| [distributed](#fastvideodistributed) | Distributed execution and communication utilities |
| [entrypoints](#fastvideoentrypoints) | Main API entry points for video generation |
| [models](#fastvideomodels) | Model implementations (transformers, VAEs, schedulers) |
| [pipelines](#fastvideopipelines) | Core pipeline classes for video diffusion |
| [training](#fastvideotraining) | Training utilities and helpers |
| [workflow](#fastvideoworkflow) | Workflow management and orchestration |
| [dataset](#fastvideodataset) | Dataset handling and preprocessing |
| [layers](#fastvideolayers) | Custom neural network layers |
| [platforms](#fastvideoplatforms) | Platform-specific implementations |
| [utils](#fastvideoutils) | Utility functions and helpers |
| [worker](#fastvideoworker) | Execution workers for video generation |
## fastvideo.attention
::: fastvideo.attention
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
## fastvideo.configs
::: fastvideo.configs
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
### Submodules
#### fastvideo.configs.pipelines
::: fastvideo.configs.pipelines
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
#### fastvideo.configs.models
::: fastvideo.configs.models
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
#### fastvideo.configs.sample
::: fastvideo.configs.sample
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
## fastvideo.distributed
::: fastvideo.distributed
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
## fastvideo.entrypoints
::: fastvideo.entrypoints
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
## fastvideo.models
::: fastvideo.models
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
### Submodules
#### fastvideo.models.registry
::: fastvideo.models.registry
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
#### fastvideo.models.loader
::: fastvideo.models.loader
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
## fastvideo.pipelines
::: fastvideo.pipelines
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
### Submodules
#### fastvideo.pipelines.composed_pipeline_base
::: fastvideo.pipelines.composed_pipeline_base
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
#### fastvideo.pipelines.lora_pipeline
::: fastvideo.pipelines.lora_pipeline
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
#### fastvideo.pipelines.pipeline_batch_info
::: fastvideo.pipelines.pipeline_batch_info
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
#### fastvideo.pipelines.pipeline_registry
::: fastvideo.pipelines.pipeline_registry
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
#### fastvideo.pipelines.stages
::: fastvideo.pipelines.stages
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 4
## fastvideo.training
::: fastvideo.training
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
## fastvideo.workflow
::: fastvideo.workflow
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
## fastvideo.dataset
::: fastvideo.dataset
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
## fastvideo.layers
::: fastvideo.layers
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
## fastvideo.platforms
::: fastvideo.platforms
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
## fastvideo.utils
::: fastvideo.utils
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
heading_level: 3
## fastvideo.worker
::: fastvideo.worker
options:
show_source: true
show_root_heading: true
show_root_toc_entry: true
show_submodules: true
heading_level: 3
-27
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# API Summary
This page provides a quick overview of the main FastVideo API components.
## Video Generator
::: fastvideo.VideoGenerator
options:
show_root_heading: false
show_source: false
heading_level: 3
## Initialization Configuration
::: fastvideo.PipelineConfig
options:
show_root_heading: false
show_source: false
heading_level: 3
## Sampling Configuration
::: fastvideo.SamplingParam
options:
show_root_heading: false
show_source: false
heading_level: 3
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# Profiling FastVideo
!!! warning
Profiling is only intended for FastVideo developers and maintainers to understand the proportion of time spent in different parts of the codebase. **FastVideo end-users should never turn on profiling** as it will significantly slow down the inference.
## Profiling with PyTorch
FastVideo exposes a process-wide torch profiler that you can enable via environment variables. Set `FASTVIDEO_TORCH_PROFILER_DIR` to an absolute directory path to start collecting traces, and specify the regions you want recorded with `FASTVIDEO_TORCH_PROFILE_REGIONS`:
```bash
FASTVIDEO_TORCH_PROFILER_DIR=/mnt/traces/fastvideo \
FASTVIDEO_TORCH_PROFILE_REGIONS="profiler_region_model_loading,profiler_region_training_step"
```
All profiled regions must be registered in `fastvideo.profiler`; the current list includes:
- `profiler_region_model_loading` — pipeline/module loading
- `profiler_region_inference_pre_denoising`
- `profiler_region_inference_denoising`
- `profiler_region_inference_post_denoising`
- `profiler_region_training_checkpoint_saving`
- `profiler_region_training_dit`
- `profiler_region_training_validation`
- `profiler_region_training_epoch`
- `profiler_region_training_step`
- `profiler_region_training_backward`
- `profiler_region_training_optimizer`
- `profiler_region_distillation_teacher_forward`
- `profiler_region_distillation_student_forward`
- `profiler_region_distillation_loss`
- `profiler_region_distillation_update`
While profiling is enabled, FastVideo records additional annotations:
- `fastvideo.region::<name>` spans are emitted when entering a region.
- `fastvideo.profiler.enable_collection` / `fastvideo.profiler.disable_collection` events mark when torch profiler collection is toggled on or off.
Only one profiler instance is created per process; subsequent pipelines reuse the same controller. If you set `FASTVIDEO_TORCH_PROFILE_REGIONS` incorrectly (e.g. misspelled name), FastVideo logs a warning and ignores that entry.
Additional knobs:
- `FASTVIDEO_TORCH_PROFILER_RECORD_SHAPES`
- `FASTVIDEO_TORCH_PROFILER_WITH_PROFILE_MEMORY`
- `FASTVIDEO_TORCH_PROFILER_WITH_STACK`
- `FASTVIDEO_TORCH_PROFILER_WITH_FLOPS`
Traces can be visualized using <https://ui.perfetto.dev/>.
### Best Practices
- Keep the profiled step count small; traces can be large and slow down job shutdown while the profiler flushes data.
- After profiling, clean up trace directories to avoid filling disks.
- When adding new regions, register them in `fastvideo.profiler` and wrap the corresponding code block with `with self.profiler_controller.region("your_region"):` or the `@profile_region` decorator.
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# 💡 Examples
A collection of examples demonstrating usage of FastVideo.
All documented examples are autogenerated using [generate_examples.py](https://github.com/hao-ai-lab/FastVideo/blob/main/docs/generate_examples.py) from examples found in the [examples](https://github.com/hao-ai-lab/FastVideo/tree/main/examples) directory.
## Examples
- [Examples Distillation Index](distillation/examples/examples_distillation_index.md)
- [Examples Training Index](training/examples/examples_training_index.md)
- [Examples Inference Index](inference/examples/examples_inference_index.md)
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# 🔧 Installation
FastVideo supports the following hardware platforms:
- [NVIDIA CUDA](installation/gpu.md)
- [Apple silicon](installation/mps.md)
## Quick Installation
### Using pip
```bash
pip install fastvideo
```
### Using conda
```bash
conda install -c conda-forge fastvideo
```
### From source
```bash
git clone https://github.com/hao-ai-lab/FastVideo.git
cd FastVideo
pip install -e .
```
## Hardware Requirements
- **NVIDIA GPUs**: CUDA 11.8+ with compute capability 7.0+
- **Apple Silicon**: macOS 12.0+ with M1/M2/M3 chips
- **CPU**: x86_64 architecture (for CPU-only inference)
## Next Steps
- [Quick Start Guide](quick_start.md) - Get started with your first video generation
- [Configuration](../inference/configuration.md) - Learn about configuration options
- [Examples](../inference/examples/) - Explore example scripts and notebooks
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# 🚀 Quick Start
Get up and running with FastVideo in minutes!
## Installation
First, install FastVideo:
```bash
pip install fastvideo
```
## Basic Usage
### Text-to-Video Generation
```python
from fastvideo import FastVideoPipeline
# Initialize the pipeline
pipe = FastVideoPipeline.from_pretrained("wan2.1-t2v-1.3B")
# Generate a video
prompt = "A cat playing with a ball of yarn"
video = pipe(prompt, num_frames=16, height=512, width=512)
# Save the video
video.save("output.mp4")
```
### Image-to-Video Generation
```python
from fastvideo import FastVideoPipeline
from PIL import Image
# Load an image
image = Image.open("input.jpg")
# Initialize the pipeline
pipe = FastVideoPipeline.from_pretrained("wan2.1-i2v-14B-480p")
# Generate a video from the image
video = pipe(image, num_frames=16, height=480, width=480)
# Save the video
video.save("output.mp4")
```
## Next Steps
- [Installation Guide](installation.md) - Detailed installation instructions
- [Configuration](../inference/configuration.md) - Learn about configuration options
- [Examples](../inference/examples/) - Explore more examples
- [Optimizations](../inference/optimizations.md) - Performance optimization tips
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# V1 API
FastVideo's V1 API provides a streamlined interface for video generation tasks with powerful customization options. This page documents the primary components of the API.
## Video Generator
This class will be the primary Python API for generating videos and images.
::: fastvideo.entrypoints.video_generator.VideoGenerator
options:
show_root_heading: true
show_source: false
members:
- from_pretrained
heading_level: 3
`VideoGenerator.from_pretrained()` should be the primary way of creating a new video generator.
## Configuring FastVideo
The following two classes `PipelineConfig` and `SamplingParam` are used to configure initialization and sampling parameters, respectively.
### PipelineConfig
::: fastvideo.configs.pipelines.base.PipelineConfig
options:
show_root_heading: true
show_source: false
members:
- from_pretrained
- dump_to_json
heading_level: 4
### SamplingParam
::: fastvideo.configs.sample.base.SamplingParam
options:
show_root_heading: true
show_source: false
members:
- from_pretrained
heading_level: 4
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# Compatibility Matrix
The table below shows every supported model and optimizations supported for them.
The symbols used have the following meanings:
- ✅ = Full compatibility
- ❌ = No compatibility
- ⭕ = Does not apply to this model
## Models x Optimization
The `HuggingFace Model ID` can be directly pass to `from_pretrained()` methods and FastVideo will use the optimal default parameters when initializing and generating videos.
<style>
/* Target tables in this section */
#models-x-optimization + p + table {
display: block;
overflow-x: auto;
width: 100%;
font-size: 0.85rem;
}
#models-x-optimization + p + table td,
#models-x-optimization + p + table th {
text-align: center;
white-space: nowrap;
padding: 0.5em;
}
/* First two columns can wrap */
#models-x-optimization + p + table td:nth-child(1),
#models-x-optimization + p + table td:nth-child(2) {
white-space: normal;
min-width: 120px;
}
#models-x-optimization + p + table td:nth-child(2) code {
font-size: 0.75rem;
}
</style>
| Model Name | HuggingFace Model ID | Resolutions | TeaCache | Sliding Tile Attn | Sage Attn | VSA |
|------------|---------------------|-------------|----------|-------------------|-----------|-----|
| FastWan2.1 T2V 1.3B | `FastVideo/FastWan2.1-T2V-1.3B-Diffusers` | 480P | ⭕ | ⭕ | ⭕ | ✅ |
| FastWan2.2 TI2V 5B Full Attn* | `FastVideo/FastWan2.2-TI2V-5B-FullAttn-Diffusers` | 720P | ⭕ | ⭕ | ⭕ | ✅ |
| Wan2.2 TI2V 5B | `Wan-AI/Wan2.2-TI2V-5B-Diffusers` | 720P | ⭕ | ⭕ | ✅ | ⭕ |
| Wan2.2 T2V A14B | `Wan-AI/Wan2.2-T2V-A14B-Diffusers` | 480P<br>720P | ❌ | ❌ | ✅ | ⭕ |
| Wan2.2 I2V A14B | `Wan-AI/Wan2.2-I2V-A14B-Diffusers` | 480P<br>720P | ❌ | ❌ | ✅ | ⭕ |
| HunyuanVideo | `hunyuanvideo-community/HunyuanVideo` | 720px1280p<br>544px960p | ❌ | ✅ | ✅ | ⭕ |
| FastHunyuan | `FastVideo/FastHunyuan-diffusers` | 720px1280p<br>544px960p | ❌ | ✅ | ✅ | ⭕ |
| Wan2.1 T2V 1.3B | `Wan-AI/Wan2.1-T2V-1.3B-Diffusers` | 480P | ✅ | ✅* | ✅ | ⭕ |
| Wan2.1 T2V 14B | `Wan-AI/Wan2.1-T2V-14B-Diffusers` | 480P, 720P | ✅ | ✅* | ✅ | ⭕ |
| Wan2.1 I2V 480P | `Wan-AI/Wan2.1-I2V-14B-480P-Diffusers` | 480P | ✅ | ✅* | ✅ | ⭕ |
| Wan2.1 I2V 720P | `Wan-AI/Wan2.1-I2V-14B-720P-Diffusers` | 720P | ✅ | ✅ | ✅ | ⭕ |
| StepVideo T2V | `FastVideo/stepvideo-t2v-diffusers` | 768px768px204f<br>544px992px204f<br>544px992px136f | ❌ | ❌ | ✅ | ⭕ |
**Note**: Wan2.2 TI2V 5B has some quality issues when performing I2V generation. We are working on fixing this issue.
## Special requirements
### StepVideo T2V
- The self-attention in text-encoder (step_llm) only supports CUDA capabilities sm_80 sm_86 and sm_90
### Sliding Tile Attention
- Currently only Hopper GPUs (H100s) are supported.
+35
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@@ -0,0 +1,35 @@
@ECHO OFF
pushd %~dp0
REM Command file for Sphinx documentation
if "%SPHINXBUILD%" == "" (
set SPHINXBUILD=sphinx-build
)
set SOURCEDIR=source
set BUILDDIR=build
%SPHINXBUILD% >NUL 2>NUL
if errorlevel 9009 (
echo.
echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
echo.installed, then set the SPHINXBUILD environment variable to point
echo.to the full path of the 'sphinx-build' executable. Alternatively you
echo.may add the Sphinx directory to PATH.
echo.
echo.If you don't have Sphinx installed, grab it from
echo.https://www.sphinx-doc.org/
exit /b 1
)
if "%1" == "" goto help
%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
goto end
:help
%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
:end
popd
+15
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@@ -0,0 +1,15 @@
sphinx==7.4.7
sphinx-argparse==0.5.2
sphinx-autodoc2==0.5.0
sphinx-book-theme==1.1.4
sphinx-copybutton==0.5.2
sphinx-design==0.6.1
sphinx-togglebutton==0.3.2
myst-parser==3.0.1
msgspec
commonmark # Required by sphinx-argparse when using :markdownhelp:
# packages to install to build the documentation
cachetools
# -f https://download.pytorch.org/whl/cpu
torch
+8
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@@ -0,0 +1,8 @@
.vertical-table-header th.head:not(.stub) {
writing-mode: sideways-lr;
white-space: nowrap;
max-width: 0;
p {
margin: 0;
}
}
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@@ -0,0 +1,39 @@
<style>
.notification-bar {
width: 100vw;
display: flex;
justify-content: center;
align-items: center;
font-size: 16px;
padding: 0 6px 0 6px;
}
.notification-bar p {
margin: 0;
}
.notification-bar a {
font-weight: bold;
text-decoration: none;
}
/* Light mode styles (default) */
.notification-bar {
background-color: #fff3cd;
color: #856404;
}
.notification-bar a {
color: #d97706;
}
/* Dark mode styles */
html[data-theme=dark] .notification-bar {
background-color: #333;
color: #ddd;
}
html[data-theme=dark] .notification-bar a {
color: #ffa500; /* Brighter color for visibility */
}
</style>
<!-- <div class="notification-bar">
<p>You are viewing the latest developer preview docs. <a href="https://docs.vllm.ai/en/stable/">Click here</a> to view docs for the latest stable release.</p>
</div> -->
+19
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@@ -0,0 +1,19 @@
# Summary
## Video Generator
```{autodoc2-summary}
fastvideo.VideoGenerator
```
## Initialization Configuration
```{autodoc2-summary}
fastvideo.configs.pipelines.PipelineConfig
```
## Sampling Configuration
```{autodoc2-summary}
fastvideo.configs.sample.SamplingParam
```
+22
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@@ -0,0 +1,22 @@
# type: ignore
# SPDX-License-Identifier: Apache-2.0
from docutils import nodes
from myst_parser.parsers.sphinx_ import MystParser
from sphinx.ext.napoleon import docstring
class NapoleonParser(MystParser):
def parse(self, input_string: str, document: nodes.document) -> None:
# Get the Sphinx configuration
config = document.settings.env.config
parsed_content = str(
docstring.GoogleDocstring(
str(docstring.NumpyDocstring(input_string, config)),
config,
))
return super().parse(parsed_content, document)
Parser = NapoleonParser
+275
View File
@@ -0,0 +1,275 @@
# SPDX-License-Identifier: Apache-2.0
# Configuration file for the Sphinx documentation builder.
#
# This file only contains a selection of the most common options. For a full
# list see the documentation:
# https://www.sphinx-doc.org/en/master/usage/configuration.html
# -- Path setup --------------------------------------------------------------
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
import datetime
import logging
import os
import re
import sys
from pathlib import Path
import requests
logger = logging.getLogger(__name__)
REPO_ROOT = Path(__file__).resolve().parent.parent.parent
print(os.path.abspath(REPO_ROOT))
sys.path.append(os.path.abspath(REPO_ROOT))
# -- Project information -----------------------------------------------------
project = 'FastVideo'
copyright = f'{datetime.datetime.now().year}, FastVideo Team'
author = 'the FastVideo Team'
# -- General configuration ---------------------------------------------------
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
"sphinx.ext.napoleon",
"sphinx.ext.linkcode",
"sphinx.ext.intersphinx",
"sphinx_copybutton",
"autodoc2",
"myst_parser",
"sphinxarg.ext",
"sphinx_design",
"sphinx_togglebutton",
]
myst_enable_extensions = [
"colon_fence",
"fieldlist",
]
autodoc2_packages = [
{
"path": "../../fastvideo",
"exclude_dirs": ["__pycache__", "third_party"],
},
]
autodoc2_output_dir = "api"
autodoc2_render_plugin = "myst"
autodoc2_hidden_objects = ["dunder", "private", "inherited"]
autodoc2_docstring_parser_regexes = [
(".*", "docs.source.autodoc2_docstring_parser"),
]
autodoc2_sort_names = True
autodoc2_index_template = None
autodoc2_skip_module_regexes = [
"fastvideo.dataset",
"fastvideo.distill",
"fastvideo.data_preprocess",
"fastvideo.models",
"fastvideo.sample",
"fastvideo.utils",
"fastvideo.distill_adv",
"fastvideo.train",
]
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This pattern also affects html_static_path and html_extra_path.
exclude_patterns: list[str] = ["**/*.template.md", "**/*.inc.md"]
# Exclude the prompt "$" when copying code
copybutton_prompt_text = r"\$ "
copybutton_prompt_is_regexp = True
# -- Options for HTML output -------------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
#
html_title = project
html_theme = 'sphinx_book_theme'
html_logo = '../../assets/logos/icon_simple.svg'
html_theme_options = {
'path_to_docs': 'docs/source',
'repository_url': 'https://github.com/hao-ai-lab/FastVideo/',
'use_repository_button': True,
'use_edit_page_button': True,
# Prevents the full API being added to the left sidebar of every page.
# Reduces build time by 2.5x and reduces build size from ~225MB to ~95MB.
'collapse_navbar': True,
# Makes API visible in the right sidebar on API reference pages.
'show_toc_level': 3,
}
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ["_static"]
html_js_files = ["custom.js"]
html_css_files = ["custom.css"]
myst_url_schemes = {
'http': None,
'https': None,
'mailto': None,
'ftp': None,
"gh-issue": {
"url":
"https://github.com/hao-ai-lab/FastVideo/issues/{{path}}#{{fragment}}",
"title": "Issue #{{path}}",
"classes": ["github"],
},
"gh-pr": {
"url":
"https://github.com/hao-ai-lab/FastVideo/pull/{{path}}#{{fragment}}",
"title": "Pull Request #{{path}}",
"classes": ["github"],
},
"gh-dir": {
"url": "https://github.com/hao-ai-lab/FastVideo/tree/main/{{path}}",
"title": "{{path}}",
"classes": ["github"],
},
"gh-file": {
"url": "https://github.com/hao-ai-lab/FastVideo/blob/main/{{path}}",
"title": "{{path}}",
"classes": ["github"],
},
}
# see https://docs.readthedocs.io/en/stable/reference/environment-variables.html # noqa
READTHEDOCS_VERSION_TYPE = os.environ.get('READTHEDOCS_VERSION_TYPE')
if READTHEDOCS_VERSION_TYPE == "tag":
# remove the warning banner if the version is a tagged release
header_file = os.path.join(os.path.dirname(__file__),
"_templates/sections/header.html")
# The file might be removed already if the build is triggered multiple times
# (readthedocs build both HTML and PDF versions separately)
if os.path.exists(header_file):
os.remove(header_file)
# Generate additional rst documentation here.
def setup(app):
from docs.source.generate_examples import generate_examples
generate_examples()
_cached_base: str = ""
_cached_branch: str = ""
def get_repo_base_and_branch(pr_number: str) -> tuple[str | None, str | None]:
global _cached_base, _cached_branch
if _cached_base and _cached_branch:
return _cached_base, _cached_branch
url = f"https://api.github.com/repos/hao-ai-lab/FastVideo/pulls/{pr_number}"
response = requests.get(url)
if response.status_code == 200:
data = response.json()
_cached_base = data['head']['repo']['full_name']
_cached_branch = data['head']['ref']
return _cached_base, _cached_branch
else:
logger.error("Failed to fetch PR details: %s", response)
return None, None
def linkcode_resolve(domain, info):
if domain != 'py':
return None
if not info['module']:
return None
# Get path from module name
file = Path(f"{info['module'].replace('.', '/')}.py")
path = REPO_ROOT / file
if not path.exists():
path = REPO_ROOT / file.with_suffix("") / "__init__.py"
if not path.exists():
return None
# Get the line number of the object
with open(path) as f:
lines = f.readlines()
name = info['fullname'].split(".")[-1]
pattern = fr"^( {{4}})*((def|class) )?{name}\b.*"
for lineno, line in enumerate(lines, 1):
if not line or line.startswith("#"):
continue
if re.match(pattern, line):
break
# If the line number is not found, return None
if lineno == len(lines):
return None
# If the line number is found, create the URL
filename = path.relative_to(REPO_ROOT)
if "checkouts" in path.parts:
# a PR build on readthedocs
pr_number = REPO_ROOT.name
base, branch = get_repo_base_and_branch(pr_number)
if base and branch:
return f"https://github.com/{base}/blob/{branch}/{filename}#L{lineno}"
# Otherwise, link to the source file on the main branch
return f"https://github.com/hao-ai-lab/FastVideo/blob/main/{filename}#L{lineno}"
# Mock out external dependencies here, otherwise the autodoc pages may be blank.
autodoc_mock_imports = [
"blake3",
"compressed_tensors",
"cpuinfo",
"cv2",
"torch",
"huggingface_hub",
"torchvision",
"transformers",
"psutil",
"prometheus_client",
"sentencepiece",
"vllm._C",
"PIL",
"numpy",
'triton',
"tqdm",
"tensorizer",
"pynvml",
"outlines",
"xgrammar",
"librosa",
"soundfile",
"gguf",
"lark",
"decord",
]
for mock_target in autodoc_mock_imports:
if mock_target in sys.modules:
logger.info(
"Potentially problematic mock target (%s) found; "
"autodoc_mock_imports cannot mock modules that have already "
"been loaded into sys.modules when the sphinx build starts.",
mock_target)
intersphinx_mapping = {
"python": ("https://docs.python.org/3", None),
"typing_extensions":
("https://typing-extensions.readthedocs.io/en/latest", None),
"aiohttp": ("https://docs.aiohttp.org/en/stable", None),
"pillow": ("https://pillow.readthedocs.io/en/stable", None),
"numpy": ("https://numpy.org/doc/stable", None),
"torch": ("https://pytorch.org/docs/stable", None),
"psutil": ("https://psutil.readthedocs.io/en/stable", None),
}
navigation_with_keys = False
@@ -1,4 +1,4 @@
(docker)=
# 🐳 Using the FastVideo Docker Image
If you prefer a containerized development environment or want to avoid managing dependencies manually, you can use our prebuilt Docker image:
@@ -3,3 +3,11 @@
# 🧰 Developer Environment
Accelerate your FastVideo development workflow by leveraging Docker images and cloud GPUs for efficient experimentation and reproducible environments.
:::{toctree}
:caption: Contents
:maxdepth: 1
docker
runpod
:::
@@ -1,3 +1,4 @@
(runpod)=
# 📦 Developing FastVideo on RunPod
@@ -9,7 +10,7 @@ Choose a GPU that supports CUDA 12.8
Pick 1 or 2 L40S GPU(s)
![RunPod CUDA selection](../../assets/images/runpod_cuda.png)
![RunPod CUDA selection](../../_static/images/runpod_cuda.png)
When creating your pod template, use this image:
@@ -23,11 +24,11 @@ Paste Container Start Command to support SSH ([RunPod Docs](https://docs.runpod.
bash -c "apt update;DEBIAN_FRONTEND=noninteractive apt-get install openssh-server -y;mkdir -p ~/.ssh;cd $_;chmod 700 ~/.ssh;echo \"$PUBLIC_KEY\" >> authorized_keys;chmod 700 authorized_keys;service ssh start;sleep infinity"
```
![RunPod template configuration](../../assets/images/runpod_template.png)
![RunPod template configuration](../../_static/images/runpod_template.png)
After deploying, the pod will take a few minutes to pull the image and start the SSH service.
![RunPod ssh](../../assets/images/runpod_ssh.png)
![RunPod ssh](../../_static/images/runpod_ssh.png)
## Working with the pod
@@ -1,3 +1,4 @@
(developer-overview)=
# 🛠️ Contributing to FastVideo
@@ -29,6 +29,7 @@ FastVideo separates model components from execution logic with these principles:
- **Custom Attention Backends**: Components can support and use different Attention implementations
- **Pipeline Abstraction**: Consistent interface across diffusion models
(design-fastvideo-args)=
## FastVideoArgs
The `FastVideoArgs` class in `fastvideo/fastvideo_args.py` serves as the central configuration system for FastVideo. It contains all parameters needed to control model loading, inference configuration, performance optimization settings, and more.
@@ -60,6 +61,7 @@ with set_current_fastvideo_args(fastvideo_args):
result = generate_video()
```
(design-pipeline-system)=
## Pipeline System
### `ComposedPipelineBase`
@@ -106,6 +108,7 @@ def forward(self, batch: ForwardBatch, fastvideo_args: FastVideoArgs) -> Forward
return batch
```
(design-forwardbatch)=
### ForwardBatch
Defined in `fastvideo/pipelines/pipeline_batch_info.py`, `ForwardBatch` encapsulates the data payload passed between pipeline stages. It typically holds:
@@ -117,10 +120,12 @@ Defined in `fastvideo/pipelines/pipeline_batch_info.py`, `ForwardBatch` encapsul
This structure facilitates clear state transitions between stages.
(design-model-components)=
## Model Components
The `fastvideo/models/` directory contains implementations of the core neural network models used in video diffusion:
(design-transformer-models)=
### Transformer Models
Transformer networks perform the actual denoising during diffusion:
@@ -147,6 +152,7 @@ def forward(
return noise_pred # Predicted noise residual
```
(design-vae-variational-auto-encoder)=
### VAE (Variational Auto-Encoder)
VAEs handle conversion between pixel space and latent space:
@@ -164,6 +170,7 @@ FastVideo's VAE implementations include:
- Optional tiling for large frames
- Distributed weight support
(design-text-and-image-encoders)=
### Text and Image Encoders
Encoders process conditioning inputs into embeddings:
@@ -181,6 +188,7 @@ FastVideo implements optimizations such as:
- Caching for common prompts
- Precision-tuned computation
(design-schedulers)=
### Schedulers
Schedulers manage the diffusion sampling process:
@@ -208,6 +216,7 @@ def step(
return prev_sample
```
(design-optimized-attention)=
## Optimized Attention
The `fastvideo/attention/` directory contains optimized attention implementations crucial for efficient video diffusion:
@@ -236,10 +245,12 @@ Supports various patterns with memory optimization techniques:
- **Cross/Self/Temporal/Global-Local Attention**
- Chunking, progressive computation, optimized masking
(design-distributed-processing)=
## Distributed Processing
The `fastvideo/distributed/` directory contains implementations for distributed model execution:
(design-tensor-parallelism)=
### Tensor Parallelism
Tensor parallelism splits model weights across devices:
@@ -296,6 +307,7 @@ Efficient communication primitives minimize distributed overhead:
- **Tensor-Parallel AllReduce**: Combines partial results
- **Distributed Synchronization**: Coordinates execution
(design-forwardcontext)=
## Forward Context Management
### ForwardContext
@@ -318,6 +330,7 @@ with set_forward_context(current_timestep, attn_metadata, fastvideo_args):
output = model(inputs)
```
(design-executor-and-worker-abstractions)=
## Executor and Worker System
The `fastvideo/worker/` directory contains the distributed execution framework:
@@ -344,6 +357,7 @@ Each GPU worker:
This design allows FastVideo to efficiently utilize multiple GPUs while providing a simple, unified interface for model execution.
(design-platforms)=
## Platforms
The `fastvideo/platforms/` directory provides hardware platform abstractions that enable FastVideo to run efficiently on different hardware configurations:
@@ -374,6 +388,7 @@ else:
The platform system is designed to be extensible for future hardware targets.
(design-logger)=
## Logger
See [PR](https://github.com/hao-ai-lab/FastVideo/pull/356)
@@ -1,3 +1,4 @@
(v0-data-preprocess)=
# 🧱 Data Preprocess for Distillation
@@ -6,11 +6,10 @@ import re
from dataclasses import dataclass, field
from pathlib import Path
ROOT_DIR = Path(__file__).parent.parent.resolve()
ROOT_DIR_RELATIVE = '../..'
ROOT_DIR = Path(__file__).parent.parent.parent.resolve()
ROOT_DIR_RELATIVE = '../../../..'
EXAMPLE_DIR = ROOT_DIR / "examples"
EXAMPLE_DOC_DIR = ROOT_DIR / "docs/getting_started/examples"
GITHUB_REPO = "hao-ai-lab/FastVideo" # Update this to your repo
EXAMPLE_DOC_DIR = ROOT_DIR / "docs/source/getting_started/examples"
def fix_case(text: str) -> str:
@@ -72,16 +71,9 @@ class Index:
def generate(self) -> str:
content = f"# {self.title}\n\n{self.description}\n\n"
if self.caption:
content += f"## {self.caption}\n\n"
# Generate a simple list of links for MkDocs
for doc in self.documents:
# Convert document path to proper link
doc_link = doc.replace("\\", "/")
# Get just the filename for the link text
doc_title = fix_case(Path(doc).stem.replace("_", " ").title())
content += f"- [{doc_title}]({doc_link}.md)\n"
content += "\n"
content += ":::{toctree}\n"
content += f":caption: {self.caption}\n:maxdepth: {self.maxdepth}\n"
content += "\n".join(self.documents) + "\n:::\n"
return content
@@ -150,66 +142,30 @@ class Example:
return fix_case(self.path.stem.replace("_", " ").title())
def generate(self) -> str:
# Create GitHub link to source
github_path = str(self.path.relative_to(ROOT_DIR)).replace("\\", "/")
github_url = f"https://github.com/{GITHUB_REPO}/blob/main/{github_path}"
content = f"**Source:** [{github_path}]({github_url})\n\n"
# Convert the path to a relative path from __file__
make_relative = lambda path: ROOT_DIR_RELATIVE / path.relative_to(
ROOT_DIR)
# Add title for code files
if self.main_file.suffix != ".md":
content = f"Source <gh-file:{self.path.relative_to(ROOT_DIR)}>.\n\n"
include = "include" if self.main_file.suffix == ".md" else \
"literalinclude"
if include == "literalinclude":
content += f"# {self.title}\n\n"
# Include main file content
if self.main_file.suffix == ".md":
# For markdown files, include the content directly
with open(self.main_file, encoding='utf-8') as f:
content += f.read() + "\n\n"
else:
# For code files, use code blocks
language = self.main_file.suffix[1:] if self.main_file.suffix else ""
with open(self.main_file, encoding='utf-8') as f:
file_content = f.read()
content += f"```{language}\n{file_content}\n```\n\n"
content += f":::{{{include}}} {make_relative(self.main_file)}\n" # type: ignore[no-untyped-call]
if include == "literalinclude":
content += f":language: {self.main_file.suffix[1:]}\n"
content += ":::\n\n"
if not self.other_files:
return content
content += "## Additional Files\n\n"
# Define binary/non-text file extensions to skip
binary_extensions = {
'.mp4', '.avi', '.mov', '.mkv', '.gif', '.jpg', '.jpeg', '.png',
'.webp', '.bmp', '.pdf', '.zip', '.tar', '.gz', '.mp3', '.wav'
}
content += "## Example materials\n\n"
for file in sorted(self.other_files):
# Skip binary files
if file.suffix.lower() in binary_extensions:
continue
file_rel_path = file.relative_to(self.path)
# Use collapsible admonition syntax for MkDocs
content += f"??? note \"{file_rel_path}\"\n\n"
try:
if file.suffix == ".md":
# Include markdown content with indentation
with open(file, encoding='utf-8') as f:
for line in f:
content += f" {line}"
else:
# Include code with proper formatting
language = file.suffix[1:] if file.suffix else ""
with open(file, encoding='utf-8') as f:
file_content = f.read()
# Indent the code block for the admonition
content += f" ```{language}\n"
for line in file_content.split('\n'):
content += f" {line}\n"
content += " ```\n"
content += "\n"
except UnicodeDecodeError:
# Skip files that can't be decoded as UTF-8
continue
include = "include" if file.suffix == ".md" else "literalinclude"
content += f":::{{admonition}} {file.relative_to(self.path)}\n"
content += ":class: dropdown\n\n"
content += f":::{{{include}}} {make_relative(file)}\n:::\n" # type: ignore[no-untyped-call]
content += ":::\n\n"
return content
@@ -239,7 +195,7 @@ class NestedStructure:
def create_category_indices() -> dict[str, Index]:
"""Create category indices with their respective configurations."""
main_index_dir = ROOT_DIR / "docs/examples"
main_index_dir = ROOT_DIR / "docs/source/examples"
if not main_index_dir.exists():
main_index_dir.mkdir(parents=True)
@@ -247,16 +203,17 @@ def create_category_indices() -> dict[str, Index]:
"inference":
Index(
path=ROOT_DIR /
"docs/inference/examples/examples_inference_index.md",
"docs/source/inference/examples/examples_inference_index.md",
title="🚀 Examples",
description=
"Inference examples demonstrate how to use FastVideo inference. We recommend starting with [basic.md](basic.md).",
"Inference examples demonstrate how to use FastVideo inference. We recommend starting with <project:basic.md>.",
caption="Examples",
maxdepth=1,
),
"training":
Index(
path=ROOT_DIR / "docs/training/examples/examples_training_index.md",
path=ROOT_DIR /
"docs/source/training/examples/examples_training_index.md",
title="🚀 Examples",
description=
"Training examples demonstrate how to use FastVideo training.",
@@ -266,7 +223,7 @@ def create_category_indices() -> dict[str, Index]:
"distillation":
Index(
path=ROOT_DIR /
"docs/distillation/examples/examples_distillation_index.md",
"docs/source/distillation/examples/examples_distillation_index.md",
title="🚀 Examples",
description=
"Distillation examples demonstrate how to use FastVideo distillation.",
@@ -289,21 +246,9 @@ def find_examples(category_indices: dict[str, Index],
examples = []
glob_patterns = ["*.py", "*.md", "*.sh"]
# Map category names to actual directory names
category_dir_mapping = {
"distillation": "distill", # examples/distill/ -> distillation category
}
# Find categorised examples
for category in category_indices:
# Use mapped directory name if available, otherwise use category name
dir_name = category_dir_mapping.get(category, category)
category_dir = EXAMPLE_DIR / dir_name
# Skip if directory doesn't exist
if not category_dir.exists():
continue
category_dir = EXAMPLE_DIR / category
globs = [category_dir.glob(pattern) for pattern in glob_patterns]
for path in itertools.chain(*globs):
examples.append(Example(path, category))
@@ -334,18 +279,11 @@ def create_nested_structures(
dict[str,
NestedStructure]]]] = {}
# Map category names to actual directory names
category_dir_mapping = {
"distillation": "distill",
}
for example in examples:
if example.category not in ["training", "distillation"]:
continue
# Use mapped directory name if available
dir_name = category_dir_mapping.get(example.category, example.category)
category_dir = EXAMPLE_DIR / dir_name
category_dir = EXAMPLE_DIR / example.category
relative_path = example.path.relative_to(category_dir)
path_parts = relative_path.parts
@@ -477,7 +415,7 @@ def generate_nested_examples(nested_structures: dict[str, dict[str, dict[
category_index.documents.append(method)
def generate_examples(generate_main_index: bool = False) -> None:
def generate_examples(generate_main_index=False):
"""
Generate example documentation.
@@ -491,14 +429,12 @@ def generate_examples(generate_main_index: bool = False) -> None:
# Create the main examples index only if requested
examples_index = None
if generate_main_index:
main_index_dir = ROOT_DIR / "docs/examples"
main_index_dir = ROOT_DIR / "docs/source/examples"
examples_index = Index(
path=main_index_dir / "examples_index.md",
title="💡 Examples",
description=
"A collection of examples demonstrating usage of FastVideo.\n\n"
f"All documented examples are autogenerated using [generate_examples.py](https://github.com/{GITHUB_REPO}/blob/main/docs/generate_examples.py) "
f"from examples found in the [examples](https://github.com/{GITHUB_REPO}/tree/main/examples) directory.",
"A collection of examples demonstrating usage of FastVideo.\nAll documented examples are autogenerated using <gh-file:docs/source/generate_examples.py> from examples found in <gh-file:examples>.",
caption="Examples",
maxdepth=2)
@@ -535,19 +471,3 @@ def generate_examples(generate_main_index: bool = False) -> None:
if generate_main_index and examples_index:
with open(examples_index.path, "w+") as f:
f.write(examples_index.generate())
def on_pre_build_hook(config, **kwargs):
"""
MkDocs hook to generate examples before building the documentation.
This function is called automatically by the mkdocs-simple-hooks plugin.
"""
print("Generating example documentation...")
generate_examples(generate_main_index=True)
print("Example documentation generated successfully!")
if __name__ == "__main__":
print("Generating example documentation...")
generate_examples(generate_main_index=True)
print("Example documentation generated successfully!")
@@ -0,0 +1,18 @@
(installation-index)=
# 🔧 Installation
FastVideo supports the following hardware platforms:
:::{toctree}
:maxdepth: 1
:hidden:
installation/gpu
installation/mps
:::
- <project:installation/gpu.md>
- NVIDIA CUDA
- <project:installation/mps.md>
- Apple silicon
@@ -30,8 +30,17 @@ conda create -n fastvideo python=3.12 -y
conda activate fastvideo
```
:::{note}
[PyTorch has deprecated the conda release channel](https://github.com/pytorch/pytorch/issues/138506). If you use `conda`, please only use it to create Python environment rather than installing packages.
:::
#### uv
:::{tip}
We highly recommend using `uv` to install FastVideo. In our experience, `uv` speeds up installation by at least 3x.
Note that you can also use `uv` to install FastVideo in a Conda environment.
:::
Or you can create a new Python environment using [uv](https://docs.astral.sh/uv/), a very fast Python environment manager. Please follow the [documentation](https://docs.astral.sh/uv/#getting-started) to install `uv`. After installing `uv`, you can create a new Python environment using the following command:
```console
@@ -31,8 +31,17 @@ conda create -n fastvideo python=3.12.4 -y
conda activate fastvideo
```
:::{note}
[PyTorch has deprecated the conda release channel](https://github.com/pytorch/pytorch/issues/138506). If you use `conda`, please only use it to create Python environment rather than installing packages.
:::
#### uv
:::{tip}
We highly recommend using `uv` to install FastVideo. In our experience, `uv` speeds up installation by at least 3x.
Note that you can also use `uv` to install FastVideo in a Conda environment.
:::
Or you can create a new Python environment using [uv](https://docs.astral.sh/uv/), a very fast Python environment manager. Please follow the [documentation](https://docs.astral.sh/uv/#getting-started) to install `uv`. After installing `uv`, you can create a new Python environment using the following command:
```console
+83
View File
@@ -0,0 +1,83 @@
# V1 API
FastVideo's V1 API provides a streamlined interface for video generation tasks with powerful customization options. This page documents the primary components of the API.
## Video Generator
This class will be the primary Python API for generating videos and images.
```{autodoc2-summary}
fastvideo.VideoGenerator
```
`````{py:class} VideoGenerator(fastvideo_args: fastvideo.fastvideo_args.FastVideoArgs, executor_class: type[fastvideo.worker.executor.Executor], log_stats: bool)
:canonical: fastvideo.entrypoints.video_generator.VideoGenerator
```{autodoc2-docstring} fastvideo.entrypoints.video_generator.VideoGenerator
:parser: docs.source.autodoc2_docstring_parser
```
`VideoGenerator.from_pretrained()` should be the primary way of creating a new video generator.
````{py:method} from_pretrained(model_path: str, device: typing.Optional[str] = None, torch_dtype: typing.Optional[torch.dtype] = None, pipeline_config: typing.Optional[typing.Union[str | fastvideo.configs.pipelines.PipelineConfig]] = None, **kwargs) -> fastvideo.entrypoints.video_generator.VideoGenerator
:canonical: fastvideo.entrypoints.video_generator.VideoGenerator.from_pretrained
:classmethod:
```{autodoc2-docstring} fastvideo.entrypoints.video_generator.VideoGenerator.from_pretrained
:parser: docs.source.autodoc2_docstring_parser
```
## Configuring FastVideo
The follow two classes `PipelineConfig` and `SamplingParam` are used to configure initialization and sampling parameters, respectively.
### PipelineConfig
```{autodoc2-summary}
fastvideo.PipelineConfig
```
`````{py:class} PipelineConfig
:canonical: fastvideo.configs.pipelines.base.PipelineConfig
```{autodoc2-docstring} fastvideo.configs.pipelines.base.PipelineConfig
:parser: docs.source.autodoc2_docstring_parser
```
````{py:method} from_pretrained(model_path: str) -> fastvideo.configs.pipelines.base.PipelineConfig
:canonical: fastvideo.configs.pipelines.base.PipelineConfig.from_pretrained
:classmethod:
```{autodoc2-docstring} fastvideo.configs.pipelines.base.PipelineConfig.from_pretrained
:parser: docs.source.autodoc2_docstring_parser
```
````{py:method} dump_to_json(file_path: str)
:canonical: fastvideo.configs.pipelines.base.PipelineConfig.dump_to_json
```{autodoc2-docstring} fastvideo.configs.pipelines.base.PipelineConfig.dump_to_json
:parser: docs.source.autodoc2_docstring_parser
```
### SamplingParam
```{autodoc2-summary}
fastvideo.SamplingParam
```
`````{py:class} SamplingParam
:canonical: fastvideo.configs.sample.base.SamplingParam
```{autodoc2-docstring} fastvideo.configs.sample.base.SamplingParam
:parser: docs.source.autodoc2_docstring_parser
```
````{py:method} from_pretrained(model_path: str) -> fastvideo.configs.sample.base.SamplingParam
:canonical: fastvideo.configs.sample.base.SamplingParam.from_pretrained
:classmethod:
```{autodoc2-docstring} fastvideo.configs.sample.base.SamplingParam.from_pretrained
:parser: docs.source.autodoc2_docstring_parser
```
+100 -20
View File
@@ -1,24 +1,30 @@
# Welcome to FastVideo
<div style="text-align: center;">
<img src="assets/logos/logo.svg" alt="FastVideo" style="width: 60%;" />
</div>
:::{figure} ../../assets/logos/logo.svg
:align: center
:alt: FastVideo
:class: no-scaled-link
:width: 60%
:::
<div style="text-align: center;">
<strong>FastVideo is a unified inference and post-training framework for accelerated video generation.</strong>
</div>
:::{raw} html
<p style="text-align:center">
<strong>FastVideo is a unified inference and post-training framework for accelerated video generation.
</strong>
</p>
<div style="text-align: center;">
<p style="text-align:center">
<script async defer src="https://buttons.github.io/buttons.js"></script>
<a class="github-button" href="https://github.com/hao-ai-lab/FastVideo/" data-show-count="true" data-size="large" aria-label="Star">Star</a>
<a class="github-button" href="https://github.com/hao-ai-lab/FastVideo/subscription" data-icon="octicon-eye" data-size="large" aria-label="Watch">Watch</a>
<a class="github-button" href="https://github.com/hao-ai-lab/FastVideo/fork" data-icon="octicon-repo-forked" data-size="large" aria-label="Fork">Fork</a>
</div>
</p>
:::
FastVideo is an inference and post-training framework for diffusion models. It features an end-to-end unified pipeline for accelerating diffusion models, starting from data preprocessing to model training, finetuning, distillation, and inference. FastVideo is designed to be modular and extensible, allowing users to easily add new optimizations and techniques. Whether it is training-free optimizations or post-training optimizations, FastVideo has you covered.
<div style="text-align: center;">
<img src="assets/images/fastwan.png" style="width: 100%;"/>
<img src=_static/images/fastwan.png width="100%"/>
</div>
## Key Features
@@ -36,16 +42,90 @@ FastVideo has the following features:
## Documentation
Welcome to FastVideo! This documentation will help you get started with our unified inference and post-training framework for accelerated video generation.
% How to start using FastVideo?
Use the navigation menu on the left to explore different sections:
:::{toctree}
:caption: Getting Started
:maxdepth: 1
- **Getting Started**: Installation and quick start guides
- **Inference**: Learn how to use FastVideo for video generation
- **Training**: Data preprocessing and fine-tuning workflows
- **Distillation**: Post-training optimization techniques
- **Sliding Tile Attention**: Advanced attention mechanisms
- **Video Sparse Attention**: Efficient attention for video models
- **Design**: Framework architecture and design principles
- **Developer Guide**: Contributing and development setup
- **API Reference**: Complete API documentation
getting_started/installation
<!-- getting_started/v1_api -->
:::
:::{toctree}
:caption: Inference
:maxdepth: 1
inference/inference_quick_start
inference/examples/examples_inference_index
inference/configuration
inference/optimizations
inference/comfyui
inference/support_matrix
inference/cli
inference/add_pipeline
:::
:::{toctree}
:caption: Training
:maxdepth: 1
training/examples/examples_training_index
training/data_preprocess
<!-- training/finetune -->
:::
:::{toctree}
:caption: Distillation
:maxdepth: 1
distillation/examples/examples_distillation_index
distillation/data_preprocess
distillation/dmd
:::
% What is STA Kernel?
:::{toctree}
:caption: Sliding Tile Attention
:maxdepth: 1
sliding_tile_attention/installation
sliding_tile_attention/demo
:::
% What is VSA Kernel?
:::{toctree}
:caption: Video Sparse Attention
:maxdepth: 1
video_sparse_attention/installation
:::
:::{toctree}
:caption: Design
:maxdepth: 1
design/overview
:::
:::{toctree}
:caption: Developer Guide
:maxdepth: 2
contributing/overview
contributing/developer_env/index
:::
:::{toctree}
:caption: API Reference
:maxdepth: 2
<!-- api/summary -->
api/fastvideo/fastvideo
:::
## Indices and tables
- {ref}`genindex`
- {ref}`modindex`
@@ -1,3 +1,4 @@
(add-pipeline)=
# 🏗️ Adding a New Pipeline

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