From 0a92dd9c096a490f861d6a173ea5f4302a73c613 Mon Sep 17 00:00:00 2001 From: Alexander Piskun <13381981+bigcat88@users.noreply.github.com> Date: Thu, 4 Jun 2026 17:47:20 +0300 Subject: [PATCH] [Partner Nodes] feat: add Bria Green Background node (#14277) --- comfy_api_nodes/apis/bria.py | 25 ++++++ comfy_api_nodes/nodes_bria.py | 156 ++++++++++++++++++++++++++++++++++ 2 files changed, 181 insertions(+) diff --git a/comfy_api_nodes/apis/bria.py b/comfy_api_nodes/apis/bria.py index e08a519a8..7a98428c3 100644 --- a/comfy_api_nodes/apis/bria.py +++ b/comfy_api_nodes/apis/bria.py @@ -97,3 +97,28 @@ class BriaRemoveVideoBackgroundResult(BaseModel): class BriaRemoveVideoBackgroundResponse(BaseModel): status: str = Field(...) result: BriaRemoveVideoBackgroundResult | None = Field(None) + + +class BriaVideoGreenScreenRequest(BaseModel): + video: str = Field(..., description="Publicly accessible URL of the input video.") + green_shade: str = Field( + default="broadcast_green", + description="Solid chroma-key shade applied behind the foreground " + "(broadcast_green, chroma_green, or blue_screen).", + ) + output_container_and_codec: str = Field(...) + preserve_audio: bool = Field(True) + seed: int = Field(...) + + +class BriaVideoReplaceBackgroundRequest(BaseModel): + video: str = Field(..., description="Publicly accessible URL of the input (foreground) video.") + background_url: str = Field( + ..., + description="Publicly accessible URL of the background image or video to composite behind " + "the foreground. Stretched to the foreground frame; match its aspect ratio for " + "undistorted results.", + ) + output_container_and_codec: str = Field(...) + preserve_audio: bool = Field(True) + seed: int = Field(...) diff --git a/comfy_api_nodes/nodes_bria.py b/comfy_api_nodes/nodes_bria.py index ce2c9e9be..e138fafa9 100644 --- a/comfy_api_nodes/nodes_bria.py +++ b/comfy_api_nodes/nodes_bria.py @@ -12,6 +12,8 @@ from comfy_api_nodes.apis.bria import ( BriaRemoveVideoBackgroundRequest, BriaRemoveVideoBackgroundResponse, BriaStatusResponse, + BriaVideoGreenScreenRequest, + BriaVideoReplaceBackgroundRequest, InputModerationSettings, ) from comfy_api_nodes.util import ( @@ -319,6 +321,158 @@ class BriaRemoveVideoBackground(IO.ComfyNode): return IO.NodeOutput(await download_url_to_video_output(response.result.video_url)) +class BriaVideoGreenScreen(IO.ComfyNode): + + @classmethod + def define_schema(cls): + return IO.Schema( + node_id="BriaVideoGreenScreen", + display_name="Bria Video Green Screen", + category="partner/video/Bria", + description="Replace a video's background with a solid chroma-key screen using Bria.", + inputs=[ + IO.Video.Input("video"), + IO.Combo.Input( + "green_shade", + options=["broadcast_green", "chroma_green", "blue_screen"], + tooltip="Solid chroma-key shade applied behind the foreground: " + "broadcast_green (#00B140), chroma_green (#00FF00), or blue_screen (#0000FF).", + ), + IO.Int.Input( + "seed", + default=0, + min=0, + max=2147483647, + display_mode=IO.NumberDisplay.number, + control_after_generate=True, + tooltip="Seed controls whether the node should re-run; " + "results are non-deterministic regardless of seed.", + ), + ], + outputs=[IO.Video.Output()], + hidden=[ + IO.Hidden.auth_token_comfy_org, + IO.Hidden.api_key_comfy_org, + IO.Hidden.unique_id, + ], + is_api_node=True, + price_badge=IO.PriceBadge( + expr="""{"type":"usd","usd":0.14,"format":{"suffix":"/second"}}""", + ), + ) + + @classmethod + async def execute( + cls, + video: Input.Video, + green_shade: str, + seed: int, + ) -> IO.NodeOutput: + validate_video_duration(video, max_duration=60.0) + response = await sync_op( + cls, + ApiEndpoint(path="/proxy/bria/v2/video/edit/green_screen", method="POST"), + data=BriaVideoGreenScreenRequest( + video=await upload_video_to_comfyapi(cls, video), + green_shade=green_shade, + output_container_and_codec="mp4_h264", + seed=seed, + ), + response_model=BriaStatusResponse, + ) + response = await poll_op( + cls, + ApiEndpoint(path=f"/proxy/bria/v2/status/{response.request_id}"), + status_extractor=lambda r: r.status, + response_model=BriaRemoveVideoBackgroundResponse, + ) + return IO.NodeOutput(await download_url_to_video_output(response.result.video_url)) + + +class BriaVideoReplaceBackground(IO.ComfyNode): + + @classmethod + def define_schema(cls): + return IO.Schema( + node_id="BriaVideoReplaceBackground", + display_name="Bria Video Replace Background", + category="partner/video/Bria", + description="Replace a video's background with a supplied image or video using Bria. " + "The output keeps the foreground's resolution and frame rate; a background with a " + "different aspect ratio is stretched to fit, so match it for undistorted results.", + inputs=[ + IO.Video.Input("video", tooltip="Foreground video whose background is replaced."), + IO.Image.Input( + "background_image", + optional=True, + tooltip="Background image to composite behind the foreground. " + "Provide either a background image or a background video, not both.", + ), + IO.Video.Input( + "background_video", + optional=True, + tooltip="Background video to composite behind the foreground. " + "Provide either a background image or a background video, not both.", + ), + IO.Int.Input( + "seed", + default=0, + min=0, + max=2147483647, + display_mode=IO.NumberDisplay.number, + control_after_generate=True, + tooltip="Seed controls whether the node should re-run; " + "results are non-deterministic regardless of seed.", + ), + ], + outputs=[IO.Video.Output()], + hidden=[ + IO.Hidden.auth_token_comfy_org, + IO.Hidden.api_key_comfy_org, + IO.Hidden.unique_id, + ], + is_api_node=True, + price_badge=IO.PriceBadge( + expr="""{"type":"usd","usd":0.14,"format":{"suffix":"/second"}}""", + ), + ) + + @classmethod + async def execute( + cls, + video: Input.Video, + seed: int, + background_image: Input.Image | None = None, + background_video: Input.Video | None = None, + ) -> IO.NodeOutput: + if (background_image is None) == (background_video is None): + raise ValueError("Provide either a background image or a background video, not both.") + validate_video_duration(video, max_duration=60.0) + if background_video is not None: + validate_video_duration(background_video, max_duration=60.0) + background_url = await upload_video_to_comfyapi(cls, background_video, wait_label="Uploading background") + else: + background_url = await upload_image_to_comfyapi(cls, background_image, wait_label="Uploading background") + response = await sync_op( + cls, + ApiEndpoint(path="/proxy/bria/v2/video/edit/replace_background", method="POST"), + data=BriaVideoReplaceBackgroundRequest( + video=await upload_video_to_comfyapi(cls, video), + background_url=background_url, + output_container_and_codec="mp4_h264", + seed=seed, + ), + response_model=BriaStatusResponse, + ) + response = await poll_op( + cls, + ApiEndpoint(path=f"/proxy/bria/v2/status/{response.request_id}"), + status_extractor=lambda r: r.status, + response_model=BriaRemoveVideoBackgroundResponse, + ) + return IO.NodeOutput(await download_url_to_video_output(response.result.video_url)) + + def _video_to_images_and_mask(video: Input.Video) -> tuple[Input.Image, Input.Mask]: """Decode a transparent webm (VP9 + alpha) into image frames and an alpha mask. @@ -416,6 +570,8 @@ class BriaExtension(ComfyExtension): BriaImageEditNode, BriaRemoveImageBackground, BriaRemoveVideoBackground, + BriaVideoGreenScreen, + # BriaVideoReplaceBackground, # server returns Status 500 when we pass background video BriaTransparentVideoBackground, ]