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Add 10-bit video support (#14452)

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Create Video gets a bit_depth option (8-bit/10-bit); the selected depth is carried by the video and applied when it gets encoded. Save Video and Video Slice now keep the source bit depth instead of always quantizing to 8-bit, so 10-bit videos stay 10-bit. 10-bit uses h264 with the yuv420p10le pixel format,so there's no new codec or container.

Signed-off-by: bigcat88 <bigcat88@icloud.com>
This commit is contained in:
Alexander Piskun
2026-06-13 16:05:25 +03:00
committed by GitHub
parent 7277d99d3a
commit fe54b5e955
4 changed files with 169 additions and 12 deletions
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25
comfy_extras/nodes_video.py
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@@ -134,6 +134,17 @@ class CreateVideo(io.ComfyNode):
io.Image.Input("images", tooltip="The images to create a video from."),
io.Float.Input("fps", default=30.0, min=1.0, max=120.0, step=1.0),
io.Audio.Input("audio", optional=True, tooltip="The audio to add to the video."),
io.Int.Input(
"bit_depth",
min=8,
max=10,
default=8,
step=2,
tooltip="Bit depth of the created video. 10-bit keeps smoother gradients with less"
" banding, but some players and downstream nodes may not support it.",
optional=True,
display_mode=io.NumberDisplay.number,
),
],
outputs=[
io.Video.Output(),
@@ -141,9 +152,14 @@ class CreateVideo(io.ComfyNode):
)
@classmethod
def execute(cls, images: Input.Image, fps: float, audio: Optional[Input.Audio] = None) -> io.NodeOutput:
def execute(
cls, images: Input.Image, fps: float, audio: Optional[Input.Audio] = None, bit_depth: int = 8,
) -> io.NodeOutput:
return io.NodeOutput(
InputImpl.VideoFromComponents(Types.VideoComponents(images=images, audio=audio, frame_rate=Fraction(fps)))
InputImpl.VideoFromComponents(
Types.VideoComponents(images=images, audio=audio, frame_rate=Fraction(fps)),
bit_depth=bit_depth,
)
)
class GetVideoComponents(io.ComfyNode):
@@ -154,7 +170,7 @@ class GetVideoComponents(io.ComfyNode):
search_aliases=["extract frames", "split video", "video to images", "demux"],
display_name="Get Video Components",
category="video",
description="Extracts all components from a video: frames, audio, and framerate.",
description="Extracts all components from a video: frames, audio, framerate, and bit depth.",
inputs=[
io.Video.Input("video", tooltip="The video to extract components from."),
],
@@ -162,13 +178,14 @@ class GetVideoComponents(io.ComfyNode):
io.Image.Output(display_name="images"),
io.Audio.Output(display_name="audio"),
io.Float.Output(display_name="fps"),
io.Int.Output(display_name="bit_depth"),
],
)
@classmethod
def execute(cls, video: Input.Video) -> io.NodeOutput:
components = video.get_components()
return io.NodeOutput(components.images, components.audio, float(components.frame_rate))
return io.NodeOutput(components.images, components.audio, float(components.frame_rate), video.get_bit_depth())
class LoadVideo(io.ComfyNode):