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custom_nodes/ComfyUI-VideoHelperSuite/.github/workflows/publish.yml

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+name: Publish to Comfy registry
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+    paths:
+      - "pyproject.toml"
+
+permissions:
+  issues: write
+
+jobs:
+  publish-node:
+    name: Publish Custom Node to registry
+    runs-on: ubuntu-latest
+    if: ${{ github.repository_owner == 'Kosinkadink' }}
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+      - name: Publish Custom Node
+        uses: Comfy-Org/publish-node-action@v1
+        with:
+          personal_access_token: ${{ secrets.REGISTRY_ACCESS_TOKEN }} ## Add your own personal access token to your Github Repository secrets and reference it here.

custom_nodes/ComfyUI-VideoHelperSuite/.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+# VIM swap files
+*.swp

custom_nodes/ComfyUI-VideoHelperSuite/LICENSE

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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
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custom_nodes/ComfyUI-VideoHelperSuite/README.md

@@ -0,0 +1,110 @@
+# ComfyUI-VideoHelperSuite
+Nodes related to video workflows
+
+## I/O Nodes
+### Load Video
+Converts a video file into a series of images
+- video: The video file to be loaded
+- force_rate: Discards or duplicates frames as needed to hit a target frame rate. Disabled by setting to 0. This can be used to quickly match a suggested frame rate like the 8 fps of AnimateDiff.
+- force_size: Allows for quick resizing to a number of suggested sizes. Several options allow you to set only width or height and determine the other from aspect ratio.
+- frame_load_cap: The maximum number of frames which will be returned. This could also be thought of as the maximum batch size.
+- skip_first_frames: How many frames to skip from the start of the video after adjusting for a forced frame rate. By incrementing this number by the frame_load_cap, you can easily process a longer input video in parts. 
+- select_every_nth: Allows for skipping a number of frames without considering the base frame rate or risking frame duplication. Often useful when working with animated gifs
+A path variant of the Load Video node exists that allows loading videos from external paths
+![step](https://github.com/Kosinkadink/ComfyUI-VideoHelperSuite/assets/4284322/b5fc993c-5c9b-4608-afa4-48ae2e1380ef)
+![resize](https://github.com/Kosinkadink/ComfyUI-VideoHelperSuite/assets/4284322/98d2e78e-1c44-443c-a8fe-0dab0b5947f3)
+If [Advanced Previews](#advanced-previews) is enabled in the options menu of the web ui, the preview will reflect the current settings on the node.
+### Load Image Sequence
+Loads all image files from a subfolder. Options are similar to Load Video.
+- image_load_cap: The maximum number of images which will be returned. This could also be thought of as the maximum batch size.
+- skip_first_images: How many images to skip. By incrementing this number by image_load_cap, you can easily divide a long sequence of images into multiple batches.
+- select_every_nth: Allows for skipping a number of images between every returned frame.
+
+A path variant of Load Image sequence also exists.
+### Video Combine
+Combines a series of images into an output video  
+If the optional audio input is provided, it will also be combined into the output video
+- frame_rate: How many of the input frames are displayed per second.  A higher frame rate means that the output video plays faster and has less duration. This should usually be kept to 8 for AnimateDiff, or matched to the force_rate of a Load Video node.
+- loop_count: How many additional times the video should repeat
+- filename_prefix: The base file name used for output.
+  - You can save output to a subfolder: `subfolder/video`
+  - Like the builtin Save Image node, you can add timestamps. `%date:yyyy-MM-ddThh:mm:ss%` might become 2023-10-31T6:45:25
+- format: The file format to use. Advanced information on configuring or adding additional video formats can be found in the [Video Formats](#video-formats) section.
+- pingpong: Causes the input to be played back in the reverse to create a clean loop.
+- save_output: Whether the image should be put into the output directory or the temp directory.
+Returns: a `VHS_FILENAMES` which consists of a boolean indicating if save_output is enabled and a list of the full filepaths of all generated outputs in the order created. Accordingly `output[1][-1]` will be the most complete output.
+ 
+Depending on the format chosen, additional options may become available, including
+- crf: Describes the quality of the output video. A lower number gives a higher quality video and a larger file size, while a higher number gives a lower quality video with a smaller size. Scaling varies by codec, but visually lossless output generally occurs around 20.
+- save_metadata: Includes a copy of the workflow in the output video which can be loaded by dragging and dropping the video, just like with images.
+- pix_fmt: Changes how the pixel data is stored. `yuv420p10le` has higher color quality, but won't work on all devices
+### Load Audio
+Provides a way to load standalone audio files.
+- seek_seconds: An optional start time for the audio file in seconds.
+
+## Latent/Image Nodes
+A number of utility nodes exist for managing latents. For each, there is an equivalent node which works on images.
+### Split Batch
+Divides the latents into two sets. The first `split_index` latents go to output A and the remainder to output B. If less then `split_index` latents are provided as input, all are passed to output A and output B is empty.
+### Merge Batch
+Combines two groups of latents into a single output. The order of the output is the latents in A followed by the latents in B.  
+If the input groups are not the same size, the node provides options for rescaling the latents before merging.
+### Select Every Nth
+The first of every `select_every_nth` input is passed and the remainder are discarded
+### Get Count
+### Duplicate Batch
+
+## Video Previews
+Load Video (Upload), Load Video (Path), Load Images (Upload), Load Images (Path) and Video Combine provide animated previews.  
+Nodes with previews provide additional functionality when right clicked
+- Open preview
+- Save preview
+- Pause preview: Can improve performance with very large videos
+- Hide preview: Can improve performance, save space
+- Sync preview: Restarts all previews for side-by-side comparisons
+
+### Advanced Previews
+Advanced Previews must be manually enabled by clicking the settings gear next to Queue Prompt and checking the box for VHS Advanced Previews.  
+If enabled, videos which are displayed in the ui will be converted with ffmpeg on request. This has several benefits
+- Previews for Load Video nodes will reflect the settings on the node such as skip_first_frames and frame_load_cap
+  - This makes it easy to select an exact portion of an input video and sync it with outputs
+- It can use substantially less bandwidth if running the server remotely
+- It can greatly improve the browser performance by downsizing videos to the in ui resolution, particularly useful with animated gifs
+- It allows for previews of videos that would not normally be playable in browser.
+- Can be limited to subdirectories of ComyUI if `VHS_STRICT_PATHS` is set as an environment variable.
+
+This fucntionality is disabled since it comes with several downsides
+- There is a delay before videos show in the browser. This delay can become quite large if the input video is long
+- The preview videos are lower quality (The original can always be viewed with Right Click -> Open preview)
+
+## Video Formats
+Those familiar with ffmpeg are able to add json files to the video_formats folders to add new output types to Video Combine. 
+Consider the following example for av1-webm
+```json
+{
+    "main_pass":
+    [
+        "-n", "-c:v", "libsvtav1",
+        "-pix_fmt", "yuv420p10le",
+        "-crf", ["crf","INT", {"default": 23, "min": 0, "max": 100, "step": 1}]
+    ],
+    "audio_pass": ["-c:a", "libopus"],
+     "extension": "webm",
+     "environment": {"SVT_LOG": "1"}
+}
+```
+Most configuration takes place in `main_pass`, which is a list of arguments that are passed to ffmpeg. 
+- `"-n"` designates that the command should fail if a file of the same name already exists. This should never happen, but if some bug were to occur, it would ensure other files aren't overwritten.
+- `"-c:v", "libsvtav1"` designates that the video should be encoded with an av1 codec using the new SVT-AV1 encoder. SVT-AV1 is much faster than libaom-av1, but may not exist in older versions of ffmpeg. Alternatively, av1_nvenc could be used for gpu encoding with newer nvidia cards. 
+- `"-pix_fmt", "yuv420p10le"` designates the standard pixel format with 10-bit color. It's important that some pixel format be specified to ensure a nonconfigurable input pix_fmt isn't used.
+
+`audio pass` contains a list of arguments which are passed to ffmpeg when audio is passed into Video Combine
+
+`extension` designates both the file extension and the container format that is used. If some of the above options are omitted from `main_pass` it can affect what default options are chosen.  
+`environment` can optionally be provided to set environment variables during execution. For av1 it's used to reduce the verbosity of logging so that only major errors are displayed.  
+`input_color_depth` effects the format in which pixels are passed to the ffmpeg subprocess. Current valid options are `8bit` and `16bit`. The later will produce higher quality output, but is experimental.
+
+Fields can be exposed in the webui as a widget using a format similar to what is used in the creation of custom nodes. In the above example, the argument for `-crf` will be exposed as a format widget in the webui. Format widgets are a list of up to 3 terms
+- The name of the widget that will be displayed in the web ui
+- Either a primitive such as "INT" or "BOOLEAN", or a list of string options
+- A dictionary of options

custom_nodes/ComfyUI-VideoHelperSuite/__init__.py

@@ -0,0 +1,9 @@
+from .videohelpersuite.nodes import NODE_CLASS_MAPPINGS, NODE_DISPLAY_NAME_MAPPINGS
+import folder_paths
+from .videohelpersuite.server import server
+from .videohelpersuite import documentation
+from .videohelpersuite import latent_preview
+
+WEB_DIRECTORY = "./web"
+__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]
+documentation.format_descriptions(NODE_CLASS_MAPPINGS)

custom_nodes/ComfyUI-VideoHelperSuite/pyproject.toml

@@ -0,0 +1,15 @@
+[project]
+name = "comfyui-videohelpersuite"
+description = "Nodes related to video workflows"
+version = "1.5.1"
+license = { file = "LICENSE" }
+dependencies = ["opencv-python", "imageio-ffmpeg"]
+
+[project.urls]
+Repository = "https://github.com/Kosinkadink/ComfyUI-VideoHelperSuite"
+
+#  Used by Comfy Registry https://comfyregistry.org
+[tool.comfy]
+PublisherId = "kosinkadink"
+DisplayName = "ComfyUI-VideoHelperSuite"
+Icon = ""

custom_nodes/ComfyUI-VideoHelperSuite/requirements.txt

@@ -0,0 +1,2 @@
+opencv-python
+imageio-ffmpeg

custom_nodes/ComfyUI-VideoHelperSuite/testframework/README.md

@@ -0,0 +1,5 @@
+Code to automate execution of the tests and evaluate the results.  
+Distributed as a `custom node`,  and can be installed by copying or simlinking to the `custom_nodes` directory.  
+Requires that ffprobe be available and added to the path. Note that imageio-ffmpeg does not bundle ffprobe.
+
+When installed, it adds a new sidebar tab to automate running one, or a folder of tests. This requires that the `Use new menu and workflow management` setting not be disabled

custom_nodes/ComfyUI-VideoHelperSuite/testframework/__init__.py

@@ -0,0 +1,6 @@
+from . import server
+NODE_CLASS_MAPPINGS = {}
+NODE_DISPLAY_NAME_MAPPINGS = {}
+
+WEB_DIRECTORY = "./web"
+__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]

custom_nodes/ComfyUI-VideoHelperSuite/testframework/server.py

@@ -0,0 +1,60 @@
+import subprocess
+import json
+import os
+import torch
+import shutil
+
+import server
+import folder_paths
+
+web = server.web
+
+@server.PromptServer.instance.routes.post("/VHS_test")
+async def test(request):
+    try:
+        req_data = await request.json()
+        output = req_data['output']['gifs'][0]
+        filename = output['filename']
+        typ = output['type']
+        base_args = ["ffprobe", "-v", "error", '-count_packets', "-show_entries", "stream", "-of", "json"]
+        video = folder_paths.get_annotated_filepath(f'{filename} [{typ}]')
+        vprobe = json.loads(subprocess.run(base_args + ['-select_streams', 'v:0', video],
+                             capture_output=True, check=True).stdout)['streams'][0]
+        aprobe = json.loads(subprocess.run(base_args + ['-select_streams', 'a:0', video],
+                             capture_output=True, check=True).stdout)['streams']
+        probe = {'video': vprobe}
+        if len(aprobe) > 0:
+            probe['audio'] = aprobe[0]
+        errors = []
+        compare = None
+        for test in req_data['tests']:
+            if test['type'] == 'compare':
+                compare = test
+                continue
+            key = test['key']
+            expected = test['value']
+            actual = probe[test['type']][key]
+            if expected != actual:
+                #Consider always dumping type?
+                errors.append(f'{key}: {expected} != {actual}')
+        if len(errors) == 0 and compare is not None:
+            if not os.path.exists(compare['filename']):
+                os.makedirs(os.path.split(compare['filename'])[0], exist_ok=True)
+                shutil.copy(video, compare['filename'])
+                print("Missing comparison file has been initialized from output:", os.path.abspath(compare['filename']))
+            else:
+                #NOTE: This does not include the full memory optimizations of VHS
+                #Tests should be small
+                #TODO: Figure out way to do opacity comparison. May need to do blending in python
+                #(easy, but slower and more memory intensive)
+                diff = subprocess.run(['ffmpeg', '-v', 'error', '-i', video, '-i', compare['filename'], '-filter_complex', 'blend=all_mode=grainextract', '-pix_fmt', 'rgb24', '-f', 'rawvideo', '-'], stdout=subprocess.PIPE, check=True).stdout
+                diff = torch.frombuffer(diff, dtype=torch.uint8).to(dtype=torch.float32).div_(255)
+                #diff = diff.reshape((-1,4))
+                d = (diff-0.5).abs().sum()/diff.size(0)
+                if d > compare['tolerance']:
+                    errors.append(f'Similarity is outside specified tolerance: {d}')
+                else:
+                    print('d:', d)
+        return web.json_response(errors)
+    except Exception as e:
+        return web.json_response(str(e))

custom_nodes/ComfyUI-VideoHelperSuite/testframework/web/js/testRunner.js

@@ -0,0 +1,93 @@
+
+import {app} from "../../../scripts/app.js";
+import {api} from "../../../scripts/api.js";
+
+let watched_nodes = {}
+let resolve = undefined
+let testURL = api.apiURL("/VHS_test")
+let errors = []
+api.addEventListener("executed", async function ({detail}) {
+    if (watched_nodes && watched_nodes[detail?.node]) {
+        if (detail?.output?.unfinished_batch) {
+            return
+        }
+        let requestBody = {tests: watched_nodes[detail.node], output: detail.output}
+        try {
+            let req = await fetch(api.apiURL("/VHS_test"),
+                {method: "POST", body: JSON.stringify(requestBody)});
+            let testResult = await req.json()
+            if (testResult.length != 0) {
+                errors.push(testResult)
+            }
+        } catch(e) {
+            errors.push(e)
+        }
+        if (!(watched_nodes.length -= 1)) {
+            resolve()
+        }
+    }
+});
+
+async function runTest(file) {
+    if (!file?.name?.endsWith(".json")) {
+        return false
+    }
+    let workflow = JSON.parse(await file.text())
+    await app.loadGraphData(workflow)
+    //NOTE: API is not used so workflow data is actually processed
+    watched_nodes = workflow.tests
+    errors = []
+    let p = new Promise((r) => resolve = r)
+    await app.queuePrompt()
+    //block until execution completes
+    await p
+    watched_nodes = {}
+    if (errors.length > 0) {
+        app.ui.dialog.show("Failed " + errors.length + " tests:\n" + errors)
+        return true
+    }
+    return false
+}
+let iconOverride = document.createElement("style")
+iconOverride.innerHTML = `.VHSTestIcon:before {content: '🧪';}`
+document.body.append(iconOverride)
+
+let testSidebar = {id: 'VHStest', title: 'VHS Test', icon: 'VHSTestIcon', type: 'custom',
+    render: (e) => {
+        e.innerHTML = `Select a folder containing tests
+        <input>
+        Or select a single test
+        <input>
+            `
+
+        const folderInput = e.children[0]
+        const fileInput = e.children[1]
+        Object.assign(folderInput, {
+            type: "file",
+            webkitdirectory: true,
+            onchange: async function() {
+                const startTime = Date.now()
+                let failedTests = false
+                for(const file of this.files) {
+                    failedTests ||= await runTest(file)
+                }
+                this.value=""
+                if (!failedTests) {
+                    console.log("All tests passed in " + ((Date.now() - startTime)/1000) + "s")
+                }
+            },
+        });
+        Object.assign(fileInput, {
+            type: "file",
+            accept: ".json",
+            onchange: async function() {
+                if (this.files.length) {
+                    if(!(await runTest(this.files[0]))) {
+                        console.log("Test complete")
+                    }
+                    this.value=""
+                }
+            },
+        });
+    }}
+app.extensionManager.registerSidebarTab(testSidebar)

custom_nodes/ComfyUI-VideoHelperSuite/tests/README.md

@@ -0,0 +1 @@
+Workflows for automated testing of VHS. Most include an additional tests key to check the properties or perform comparisons on node outputs

custom_nodes/ComfyUI-VideoHelperSuite/tests/batch4x4.json

@@ -0,0 +1,535 @@
+{
+  "last_node_id": 18,
+  "last_link_id": 28,
+  "nodes": [
+    {
+      "id": 16,
+      "type": "SolidMask",
+      "pos": [
+        38,
+        1066
+      ],
+      "size": {
+        "0": 315,
+        "1": 106
+      },
+      "flags": {},
+      "order": 0,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "MASK",
+          "type": "MASK",
+          "links": [
+            18
+          ],
+          "slot_index": 0,
+          "shape": 3
+        }
+      ],
+      "properties": {
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+          "type": "VHS_FILENAMES",
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+      "properties": {
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+          "params": {
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+            "type": "temp",
+            "format": "video/webm",
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+}

custom_nodes/ComfyUI-VideoHelperSuite/tests/converted-format-input.json

@@ -0,0 +1,253 @@
+{
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+        "image"
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+          "type": "COMBO",
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+            20
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+          "widget": {
+            "name": "pix_fmt"
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+}

custom_nodes/ComfyUI-VideoHelperSuite/tests/converted-input.json

@@ -0,0 +1,307 @@
+{
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+  "last_link_id": 23,
+  "nodes": [
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+      "inputs": [
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+          "name": "fps🟦",
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+          "slot_index": 0,
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+        {
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+          "shape": 3
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+        {
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+        {
+          "name": "height🟦",
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+          "shape": 3
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+        {
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+          "type": "FLOAT",
+          "link": 20,
+          "widget": {
+            "name": "frame_rate"
+          }
+        }
+      ],
+      "outputs": [
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+          "name": "Filenames",
+          "type": "VHS_FILENAMES",
+          "links": null,
+          "shape": 3
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+      "properties": {
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+          "widget": {
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+          "type": "IMAGE",
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+        "skip_first_frames": 0,
+        "select_every_nth": 1,
+        "videopreview": {
+          "hidden": false,
+          "paused": false,
+          "params": {
+            "frame_load_cap": 64,
+            "skip_first_frames": 0,
+            "force_rate": 0,
+            "filename": "input/leader.webm",
+            "type": "path",
+            "format": "video/webm",
+            "select_every_nth": 1
+          }
+        }
+      }
+    },
+    {
+      "id": 20,
+      "type": "PrimitiveNode",
+      "pos": [
+        -240,
+        170
+      ],
+      "size": {
+        "0": 210,
+        "1": 80
+      },
+      "flags": {},
+      "order": 0,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "INT",
+          "type": "INT",
+          "links": [
+            23
+          ],
+          "widget": {
+            "name": "frame_load_cap"
+          }
+        }
+      ],
+      "properties": {
+        "Run widget replace on values": false
+      },
+      "widgets_values": [
+        64,
+        "fixed"
+      ]
+    }
+  ],
+  "links": [
+    [
+      19,
+      16,
+      3,
+      18,
+      0,
+      "VHS_VIDEOINFO"
+    ],
+    [
+      20,
+      18,
+      0,
+      17,
+      3,
+      "FLOAT"
+    ],
+    [
+      21,
+      16,
+      0,
+      17,
+      0,
+      "IMAGE"
+    ],
+    [
+      23,
+      20,
+      0,
+      16,
+      1,
+      "INT"
+    ]
+  ],
+  "groups": [],
+  "config": {},
+  "extra": {},
+  "version": 0.4,
+  "tests": {
+      "17": [{"type": "video", "key": "width", "value": 1440},
+          {"type": "video", "key": "height", "value": 1080},
+          {"type": "video", "key": "nb_read_packets", "value": "64"}
+      ],
+      "length": 1
+  }
+}

custom_nodes/ComfyUI-VideoHelperSuite/tests/loop.json

@@ -0,0 +1,178 @@
+{
+  "last_node_id": 3,
+  "last_link_id": 1,
+  "nodes": [
+    {
+      "id": 1,
+      "type": "VHS_LoadVideo",
+      "pos": {
+        "0": 54,
+        "1": 89
+      },
+      "size": [
+        260,
+        460
+      ],
+      "flags": {},
+      "order": 0,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "meta_batch",
+          "type": "VHS_BatchManager",
+          "link": null
+        },
+        {
+          "name": "vae",
+          "type": "VAE",
+          "link": null
+        }
+      ],
+      "outputs": [
+        {
+          "name": "IMAGE",
+          "type": "IMAGE",
+          "links": [
+            1
+          ],
+          "slot_index": 0,
+          "shape": 3
+        },
+        {
+          "name": "frame_count",
+          "type": "INT",
+          "links": null,
+          "shape": 3
+        },
+        {
+          "name": "audio",
+          "type": "VHS_AUDIO",
+          "links": null,
+          "shape": 3
+        },
+        {
+          "name": "video_info",
+          "type": "VHS_VIDEOINFO",
+          "links": null,
+          "shape": 3
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "VHS_LoadVideo"
+      },
+      "widgets_values": {
+        "video": "leader.webm",
+        "force_rate": 8,
+        "force_size": "Disabled",
+        "custom_width": 304,
+        "custom_height": 312,
+        "frame_load_cap": 16,
+        "skip_first_frames": 1,
+        "select_every_nth": 1,
+        "choose video to upload": "image",
+        "videopreview": {
+          "hidden": false,
+          "paused": false,
+          "params": {
+            "frame_load_cap": 16,
+            "skip_first_frames": 1,
+            "force_rate": 8,
+            "filename": "leader.webm",
+            "type": "input",
+            "format": "video/mp4",
+            "force_size": "410.4x?",
+            "select_every_nth": 1
+          }
+        }
+      }
+    },
+    {
+      "id": 3,
+      "type": "VHS_VideoCombine",
+      "pos": {
+        "0": 629,
+        "1": 222
+      },
+      "size": [
+        320,
+        550
+      ],
+      "flags": {},
+      "order": 1,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "images",
+          "type": "IMAGE",
+          "link": 1
+        },
+        {
+          "name": "audio",
+          "type": "AUDIO",
+          "link": null
+        },
+        {
+          "name": "meta_batch",
+          "type": "VHS_BatchManager",
+          "link": null
+        },
+        {
+          "name": "vae",
+          "type": "VAE",
+          "link": null
+        }
+      ],
+      "outputs": [
+        {
+          "name": "Filenames",
+          "type": "VHS_FILENAMES",
+          "links": null,
+          "shape": 3
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "VHS_VideoCombine"
+      },
+      "widgets_values": {
+        "frame_rate": 8,
+        "loop_count": 1,
+        "filename_prefix": "AnimateDiff",
+        "format": "video/h264-mp4",
+        "pix_fmt": "yuv420p",
+        "crf": 19,
+        "save_metadata": true,
+        "pingpong": false,
+        "save_output": false,
+        "videopreview": {
+          "hidden": false,
+          "paused": false,
+          "params": {
+            "filename": "AnimateDiff_00005.mp4",
+            "subfolder": "",
+            "type": "temp",
+            "format": "video/h264-mp4",
+            "frame_rate": 8
+          }
+        }
+      }
+    }
+  ],
+  "links": [
+    [
+      1,
+      1,
+      0,
+      3,
+      0,
+      "IMAGE"
+    ]
+  ],
+  "groups": [],
+  "config": {},
+  "extra": {},
+  "version": 0.4,
+  "tests": {
+      "3": [{"type": "video", "key": "nb_read_packets", "value": "32"}],
+      "length": 1
+  }
+}

custom_nodes/ComfyUI-VideoHelperSuite/tests/old-vae-conversion.json

@@ -0,0 +1,229 @@
+{
+  "last_node_id": 10,
+  "last_link_id": 9,
+  "nodes": [
+    {
+      "id": 7,
+      "type": "VHS_VideoCombine",
+      "pos": [
+        746,
+        309
+      ],
+      "size": [
+        320,
+        468.7188019966722
+      ],
+      "flags": {},
+      "order": 2,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "images",
+          "type": "LATENT",
+          "link": 9
+        },
+        {
+          "name": "audio",
+          "type": "AUDIO",
+          "link": null
+        },
+        {
+          "name": "meta_batch",
+          "type": "VHS_BatchManager",
+          "link": null
+        },
+        {
+          "name": "vae",
+          "type": "VAE",
+          "link": 8
+        }
+      ],
+      "outputs": [
+        {
+          "name": "Filenames",
+          "type": "VHS_FILENAMES",
+          "links": null,
+          "shape": 3
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "VHS_VideoCombine"
+      },
+      "widgets_values": {
+        "frame_rate": 8,
+        "loop_count": 0,
+        "filename_prefix": "AnimateDiff",
+        "format": "video/webm",
+        "crf": 20,
+        "save_metadata": true,
+        "pingpong": false,
+        "save_output": false,
+        "videopreview": {
+          "hidden": false,
+          "paused": false,
+          "params": {
+            "filename": "AnimateDiff_00001.webm",
+            "subfolder": "",
+            "type": "temp",
+            "format": "video/webm",
+            "frame_rate": 8
+          }
+        }
+      }
+    },
+    {
+      "id": 6,
+      "type": "VHS_LoadVideoPath",
+      "pos": [
+        171,
+        239
+      ],
+      "size": [
+        320,
+        420.7188019966722
+      ],
+      "flags": {},
+      "order": 1,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "meta_batch",
+          "type": "VHS_BatchManager",
+          "link": null
+        },
+        {
+          "name": "vae",
+          "type": "VAE",
+          "link": 7,
+          "slot_index": 1
+        }
+      ],
+      "outputs": [
+        {
+          "name": "LATENT",
+          "type": "LATENT",
+          "links": [
+            9
+          ],
+          "slot_index": 0,
+          "shape": 3
+        },
+        {
+          "name": "frame_count",
+          "type": "INT",
+          "links": null,
+          "shape": 3
+        },
+        {
+          "name": "audio",
+          "type": "AUDIO",
+          "links": [],
+          "slot_index": 2,
+          "shape": 3
+        },
+        {
+          "name": "video_info",
+          "type": "VHS_VIDEOINFO",
+          "links": null,
+          "shape": 3
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "VHS_LoadVideoPath"
+      },
+      "widgets_values": {
+        "video": "/home/austin/Downloads/bigbuckbunny.mp4",
+        "force_rate": 8,
+        "force_size": "Disabled",
+        "custom_width": 512,
+        "custom_height": 512,
+        "frame_load_cap": 64,
+        "skip_first_frames": 0,
+        "select_every_nth": 1,
+        "videopreview": {
+          "hidden": false,
+          "paused": false,
+          "params": {
+            "frame_load_cap": 64,
+            "skip_first_frames": 0,
+            "force_rate": 8,
+            "filename": "/home/austin/Downloads/bigbuckbunny.mp4",
+            "type": "path",
+            "format": "video/mp4",
+            "select_every_nth": 1
+          }
+        }
+      }
+    },
+    {
+      "id": 10,
+      "type": "VAELoader",
+      "pos": [
+        -42,
+        88
+      ],
+      "size": {
+        "0": 315,
+        "1": 58
+      },
+      "flags": {},
+      "order": 0,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "VAE",
+          "type": "VAE",
+          "links": [
+            7,
+            8
+          ],
+          "shape": 3,
+          "slot_index": 0
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "VAELoader"
+      },
+      "widgets_values": [
+        "taesd"
+      ]
+    }
+  ],
+  "links": [
+    [
+      7,
+      10,
+      0,
+      6,
+      1,
+      "VAE"
+    ],
+    [
+      8,
+      10,
+      0,
+      7,
+      3,
+      "VAE"
+    ],
+    [
+      9,
+      6,
+      0,
+      7,
+      0,
+      "LATENT"
+    ]
+  ],
+  "groups": [],
+  "config": {},
+  "extra": {},
+  "version": 0.4,
+  "tests": {
+      "7": [{"type": "video", "key": "width", "value": 1920},
+          {"type": "video", "key": "height", "value": 1080},
+          {"type": "video", "key": "nb_read_packets", "value": "64"}
+      ],
+      "length": 1
+  }
+}

custom_nodes/ComfyUI-VideoHelperSuite/tests/simple.json

@@ -0,0 +1,134 @@
+{
+  "last_node_id": 3,
+  "last_link_id": 1,
+  "nodes": [
+    {
+      "id": 1,
+      "type": "VHS_LoadVideo",
+      "pos": [
+        54,
+        89
+      ],
+      "size": [
+        235.1999969482422,
+        384.56999829610186
+      ],
+      "flags": {},
+      "order": 0,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "IMAGE",
+          "type": "IMAGE",
+          "links": [
+            1
+          ],
+          "shape": 3,
+          "slot_index": 0
+        },
+        {
+          "name": "frame_count",
+          "type": "INT",
+          "links": null,
+          "shape": 3
+        },
+        {
+          "name": "audio",
+          "type": "VHS_AUDIO",
+          "links": null,
+          "shape": 3
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "VHS_LoadVideo"
+      },
+      "widgets_values": {
+        "video": "leader.webm",
+        "force_rate": 8,
+        "force_size": "Custom Width",
+        "custom_width": 304,
+        "custom_height": 312,
+        "frame_load_cap": 16,
+        "skip_first_frames": 1,
+        "select_every_nth": 1,
+        "choose video to upload": "image",
+        "videopreview": {
+          "hidden": false,
+          "paused": false,
+          "params": {
+            "frame_load_cap": 0,
+            "skip_first_frames": 0,
+            "force_rate": 0,
+            "filename": "leader.webm",
+            "type": "input",
+            "format": "video/mp4",
+            "force_size": "410.4x?",
+            "select_every_nth": 1
+          }
+        }
+      }
+    },
+    {
+      "id": 3,
+      "type": "VHS_VideoCombine",
+      "pos": [
+        629,
+        222
+      ],
+      "size": {
+        "0": 315,
+        "1": 250
+      },
+      "flags": {},
+      "order": 1,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "images",
+          "type": "IMAGE",
+          "link": 1
+        }
+      ],
+      "outputs": [],
+      "properties": {
+        "Node name for S&R": "VHS_VideoCombine"
+      },
+      "widgets_values": {
+        "frame_rate": 8,
+        "loop_count": 0,
+        "filename_prefix": "AnimateDiff",
+        "format": "video/webm",
+        "pingpong": false,
+        "save_image": false,
+        "crf": 20,
+        "save_metadata": false,
+        "audio_file": "",
+        "videopreview": {
+          "hidden": false,
+          "paused": false
+        }
+      }
+    }
+  ],
+  "links": [
+    [
+      1,
+      1,
+      0,
+      3,
+      0,
+      "IMAGE"
+    ]
+  ],
+  "groups": [],
+  "config": {},
+  "extra": {},
+  "version": 0.4,
+  "tests": {
+      "3": [{"type": "video", "key": "width", "value": 304},
+          {"type": "video", "key": "height", "value": 232},
+          {"type": "compare", "filename": "custom_nodes/ComfyUI-VideoHelperSuite/tests/outputs/simple.webm", "tolerance": 0.02}
+      ],
+      "length": 1
+  }
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/16bit-png.json

@@ -0,0 +1,9 @@
+{
+    "main_pass":
+    [
+        "-n",
+        "-pix_fmt", "rgba64"
+    ],
+    "input_color_depth": "16bit",
+    "extension": "%03d.png"
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/8bit-png.json

@@ -0,0 +1,7 @@
+{
+    "main_pass":
+    [
+        "-n"
+    ],
+    "extension": "%03d.png"
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/ProRes.json

@@ -0,0 +1,11 @@
+{
+    "main_pass":
+    [
+        "-n", "-c:v", "prores_ks",
+        "-profile:v", ["profile",["1","2","3","4"], {"default": "3"}],
+        "-colorspace", "1", "-color_primaries", "1", "-color_trc", "1"
+
+    ],
+    "audio_pass": ["-c:a", "pcm_s16le"],
+    "extension": "mov"
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/av1-webm.json

@@ -0,0 +1,15 @@
+{
+    "main_pass":
+    [
+        "-n", "-c:v", "libsvtav1",
+        "-pix_fmt", ["pix_fmt", ["yuv420p10le", "yuv420p"]],
+        "-crf", ["crf","INT", {"default": 23, "min": 0, "max": 100, "step": 1}],
+        "-vf", "colorspace=all=bt709:iall=bt601-6-625:fast=1",
+        "-colorspace", "1", "-color_primaries", "1", "-color_trc", "1"
+    ],
+    "audio_pass": ["-c:a", "libopus"],
+    "input_color_depth": ["input_color_depth", ["8bit", "16bit"]],
+    "save_metadata": ["save_metadata", "BOOLEAN", {"default": true}],
+    "extension": "webm",
+    "environment": {"SVT_LOG": "1"}
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/ffmpeg-gif.json

@@ -0,0 +1,8 @@
+{
+    "main_pass":
+    [
+        "-n",
+        "-filter_complex", ["dither", ["bayer", "heckbert", "floyd_steinberg", "sierra2", "sierra2_4a", "sierra3", "burkes", "atkinson", "none"], {"default": "sierra2_4a"}, "[0:v] split [a][b]; [a] palettegen=reserve_transparent=on:transparency_color=ffffff [p]; [b][p] paletteuse=dither=$val"]
+    ],
+    "extension": "gif"
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/gifski.json

@@ -0,0 +1,10 @@
+{
+    "main_pass":
+    [
+        "-pix_fmt", "yuv420p"
+    ],
+    "extension": "gif",
+    "gifski_pass": [
+        "-Q", ["quality","INT", {"default": 90, "min": 1, "max": 100, "step": 1}]
+    ]
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/h264-mp4.json

@@ -0,0 +1,14 @@
+{
+    "main_pass":
+    [
+        "-n", "-c:v", "libx264",
+        "-pix_fmt", ["pix_fmt", ["yuv420p", "yuv420p10le"]],
+        "-crf", ["crf","INT", {"default": 19, "min": 0, "max": 100, "step": 1}],
+        "-vf", "colorspace=all=bt709:iall=bt601-6-625:fast=1",
+        "-colorspace", "1", "-color_primaries", "1", "-color_trc", "1"
+    ],
+    "audio_pass": ["-c:a", "aac"],
+    "save_metadata": ["save_metadata", "BOOLEAN", {"default": true}],
+    "trim_to_audio": ["trim_to_audio", "BOOLEAN", {"default": false}],
+    "extension": "mp4"
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/h265-mp4.json

@@ -0,0 +1,16 @@
+{
+    "main_pass":
+    [
+        "-n", "-c:v", "libx265",
+        "-vtag", "hvc1",
+        "-pix_fmt", ["pix_fmt", ["yuv420p10le", "yuv420p"]],
+        "-crf", ["crf","INT", {"default": 22, "min": 0, "max": 100, "step": 1}],
+        "-preset", "medium",
+        "-vf", "colorspace=all=bt709:iall=bt601-6-625:fast=1",
+        "-colorspace", "1", "-color_primaries", "1", "-color_trc", "1",
+        "-x265-params", "log-level=quiet"
+    ],
+    "audio_pass": ["-c:a", "aac"],
+    "save_metadata": ["save_metadata", "BOOLEAN", {"default": true}],
+    "extension": "mp4"
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/nvenc_h264-mp4.json

@@ -0,0 +1,12 @@
+{
+    "main_pass":
+    [
+        "-n", "-c:v", "h264_nvenc",
+        "-pix_fmt", ["pix_fmt", ["yuv420p", "yuv420p10le", "rgba"]]
+    ],
+    "audio_pass": ["-c:a", "aac"],
+    "bitrate": ["bitrate","INT", {"default": 10, "min": 1, "max": 999, "step": 1 }],
+    "megabit": ["megabit","BOOLEAN", {"default": true}],
+    "save_metadata": ["save_metadata", "BOOLEAN", {"default": true}],
+    "extension": "mp4"
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/nvenc_hevc-mp4.json

@@ -0,0 +1,13 @@
+{
+    "main_pass":
+    [
+        "-n", "-c:v", "hevc_nvenc",
+        "-vtag", "hvc1",
+        "-pix_fmt", ["pix_fmt", ["yuv420p", "yuv420p10le", "rgba"]]
+    ],
+    "audio_pass": ["-c:a", "aac"],
+    "bitrate": ["bitrate","INT", {"default": 10, "min": 1, "max": 999, "step": 1 }],
+    "megabit": ["megabit","BOOLEAN", {"default": true}],
+    "save_metadata": ["save_metadata", "BOOLEAN", {"default": true}],
+    "extension": "mp4"
+}

custom_nodes/ComfyUI-VideoHelperSuite/video_formats/webm.json

@@ -0,0 +1,14 @@
+{
+    "main_pass":
+    [
+        "-n",
+        "-pix_fmt", ["pix_fmt",["yuv420p","yuva420p"]],
+        "-crf", ["crf","INT", {"default": 20, "min": 0, "max": 100, "step": 1}],
+        "-b:v", "0",
+        "-colorspace", "1", "-color_primaries", "1", "-color_trc", "1"
+    ],
+    "audio_pass": ["-c:a", "libvorbis"],
+    "save_metadata": ["save_metadata", "BOOLEAN", {"default": true}],
+    "trim_to_audio": ["trim_to_audio", "BOOLEAN", {"default": false}],
+    "extension": "webm"
+}