chore(api-nodes): add validate_video_frame_count function from LTX PR

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bigcat88 2025-12-04 13:41:16 +02:00
parent 81e2cb7fdb
commit 70467023e9
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2 changed files with 20 additions and 2 deletions

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@ -47,6 +47,7 @@ from .validation_utils import (
validate_string,
validate_video_dimensions,
validate_video_duration,
validate_video_frame_count,
)
__all__ = [
@ -94,6 +95,7 @@ __all__ = [
"validate_string",
"validate_video_dimensions",
"validate_video_duration",
"validate_video_frame_count",
# Misc functions
"get_fs_object_size",
]

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@ -2,7 +2,6 @@ import logging
import torch
from comfy_api.input.video_types import VideoInput
from comfy_api.latest import Input
@ -135,6 +134,23 @@ def validate_video_duration(
raise ValueError(f"Video duration must be at most {max_duration}s, got {duration}s")
def validate_video_frame_count(
video: Input.Video,
min_frame_count: int | None = None,
max_frame_count: int | None = None,
):
try:
frame_count = video.get_frame_count()
except Exception as e:
logging.error("Error getting frame count of video: %s", e)
return
if min_frame_count is not None and min_frame_count > frame_count:
raise ValueError(f"Video frame count must be at least {min_frame_count}, got {frame_count}")
if max_frame_count is not None and frame_count > max_frame_count:
raise ValueError(f"Video frame count must be at most {max_frame_count}, got {frame_count}")
def get_number_of_images(images):
if isinstance(images, torch.Tensor):
return images.shape[0] if images.ndim >= 4 else 1
@ -176,7 +192,7 @@ def validate_string(
)
def validate_container_format_is_mp4(video: VideoInput) -> None:
def validate_container_format_is_mp4(video: Input.Video) -> None:
"""Validates video container format is MP4."""
container_format = video.get_container_format()
if container_format not in ["mp4", "mov,mp4,m4a,3gp,3g2,mj2"]: