From c4c0f1417c56a30101fea593b6e75e8fb920933e Mon Sep 17 00:00:00 2001 From: bigcat88 Date: Wed, 8 Apr 2026 20:38:54 +0300 Subject: [PATCH] feat(api nodes): added 4K resolution for Veo models; added Veo 3 Lite model Signed-off-by: bigcat88 --- comfy_api_nodes/nodes_veo2.py | 169 +++++++++++++++++++++++++--------- 1 file changed, 127 insertions(+), 42 deletions(-) diff --git a/comfy_api_nodes/nodes_veo2.py b/comfy_api_nodes/nodes_veo2.py index 13fc1cc36..b3ba5c5b7 100644 --- a/comfy_api_nodes/nodes_veo2.py +++ b/comfy_api_nodes/nodes_veo2.py @@ -24,8 +24,9 @@ from comfy_api_nodes.util import ( AVERAGE_DURATION_VIDEO_GEN = 32 MODELS_MAP = { "veo-2.0-generate-001": "veo-2.0-generate-001", - "veo-3.1-generate": "veo-3.1-generate-preview", - "veo-3.1-fast-generate": "veo-3.1-fast-generate-preview", + "veo-3.1-generate": "veo-3.1-generate-001", + "veo-3.1-fast-generate": "veo-3.1-fast-generate-001", + "veo-3.1-lite": "veo-3.1-lite-generate-001", "veo-3.0-generate-001": "veo-3.0-generate-001", "veo-3.0-fast-generate-001": "veo-3.0-fast-generate-001", } @@ -247,17 +248,8 @@ class VeoVideoGenerationNode(IO.ComfyNode): raise Exception("Video generation completed but no video was returned") -class Veo3VideoGenerationNode(VeoVideoGenerationNode): - """ - Generates videos from text prompts using Google's Veo 3 API. - - Supported models: - - veo-3.0-generate-001 - - veo-3.0-fast-generate-001 - - This node extends the base Veo node with Veo 3 specific features including - audio generation and fixed 8-second duration. - """ +class Veo3VideoGenerationNode(IO.ComfyNode): + """Generates videos from text prompts using Google's Veo 3 API.""" @classmethod def define_schema(cls): @@ -279,6 +271,13 @@ class Veo3VideoGenerationNode(VeoVideoGenerationNode): default="16:9", tooltip="Aspect ratio of the output video", ), + IO.Combo.Input( + "resolution", + options=["720p", "1080p", "4k"], + default="720p", + tooltip="Output video resolution. 4K is not available for veo-3.1-lite and veo-3.0 models.", + optional=True, + ), IO.String.Input( "negative_prompt", multiline=True, @@ -289,11 +288,11 @@ class Veo3VideoGenerationNode(VeoVideoGenerationNode): IO.Int.Input( "duration_seconds", default=8, - min=8, + min=4, max=8, - step=1, + step=2, display_mode=IO.NumberDisplay.number, - tooltip="Duration of the output video in seconds (Veo 3 only supports 8 seconds)", + tooltip="Duration of the output video in seconds", optional=True, ), IO.Boolean.Input( @@ -332,10 +331,10 @@ class Veo3VideoGenerationNode(VeoVideoGenerationNode): options=[ "veo-3.1-generate", "veo-3.1-fast-generate", + "veo-3.1-lite", "veo-3.0-generate-001", "veo-3.0-fast-generate-001", ], - default="veo-3.0-generate-001", tooltip="Veo 3 model to use for video generation", optional=True, ), @@ -356,21 +355,111 @@ class Veo3VideoGenerationNode(VeoVideoGenerationNode): ], is_api_node=True, price_badge=IO.PriceBadge( - depends_on=IO.PriceBadgeDepends(widgets=["model", "generate_audio"]), + depends_on=IO.PriceBadgeDepends(widgets=["model", "generate_audio", "resolution", "duration_seconds"]), expr=""" ( $m := widgets.model; + $r := widgets.resolution; $a := widgets.generate_audio; - ($contains($m,"veo-3.0-fast-generate-001") or $contains($m,"veo-3.1-fast-generate")) - ? {"type":"usd","usd": ($a ? 1.2 : 0.8)} - : ($contains($m,"veo-3.0-generate-001") or $contains($m,"veo-3.1-generate")) - ? {"type":"usd","usd": ($a ? 3.2 : 1.6)} - : {"type":"range_usd","min_usd":0.8,"max_usd":3.2} + $seconds := widgets.duration_seconds; + $pps := + $contains($m, "lite") + ? ($r = "1080p" ? ($a ? 0.08 : 0.05) : ($a ? 0.05 : 0.03)) + : $contains($m, "3.1-fast") + ? ($r = "4k" ? ($a ? 0.30 : 0.25) : $r = "1080p" ? ($a ? 0.12 : 0.10) : ($a ? 0.10 : 0.08)) + : $contains($m, "3.1-generate") + ? ($r = "4k" ? ($a ? 0.60 : 0.40) : ($a ? 0.40 : 0.20)) + : $contains($m, "3.0-fast") + ? ($a ? 0.15 : 0.10) + : ($a ? 0.40 : 0.20); + {"type":"usd","usd": $pps * $seconds} ) """, ), ) + @classmethod + async def execute( + cls, + prompt, + aspect_ratio="16:9", + resolution="720p", + negative_prompt="", + duration_seconds=8, + enhance_prompt=True, + person_generation="ALLOW", + seed=0, + image=None, + model="veo-3.0-generate-001", + generate_audio=False, + ): + if "lite" in model and resolution == "4k": + raise Exception("4K resolution is not supported by the veo-3.1-lite model.") + + model = MODELS_MAP[model] + + instances = [{"prompt": prompt}] + if image is not None: + image_base64 = tensor_to_base64_string(image) + if image_base64: + instances[0]["image"] = {"bytesBase64Encoded": image_base64, "mimeType": "image/png"} + + parameters = { + "aspectRatio": aspect_ratio, + "personGeneration": person_generation, + "durationSeconds": duration_seconds, + "enhancePrompt": True, + "generateAudio": generate_audio, + } + if negative_prompt: + parameters["negativePrompt"] = negative_prompt + if seed > 0: + parameters["seed"] = seed + if "veo-3.1" in model: + parameters["resolution"] = resolution + + initial_response = await sync_op( + cls, + ApiEndpoint(path=f"/proxy/veo/{model}/generate", method="POST"), + response_model=VeoGenVidResponse, + data=VeoGenVidRequest( + instances=instances, + parameters=parameters, + ), + ) + + poll_response = await poll_op( + cls, + ApiEndpoint(path=f"/proxy/veo/{model}/poll", method="POST"), + response_model=VeoGenVidPollResponse, + status_extractor=lambda r: "completed" if r.done else "pending", + data=VeoGenVidPollRequest(operationName=initial_response.name), + poll_interval=5.0, + estimated_duration=AVERAGE_DURATION_VIDEO_GEN, + ) + + if poll_response.error: + raise Exception(f"Veo API error: {poll_response.error.message} (code: {poll_response.error.code})") + + response = poll_response.response + filtered_count = response.raiMediaFilteredCount + if filtered_count: + reasons = response.raiMediaFilteredReasons or [] + reason_part = f": {reasons[0]}" if reasons else "" + raise Exception( + f"Content blocked by Google's Responsible AI filters{reason_part} " + f"({filtered_count} video{'s' if filtered_count != 1 else ''} filtered)." + ) + + if response.videos: + video = response.videos[0] + if video.bytesBase64Encoded: + return IO.NodeOutput(InputImpl.VideoFromFile(BytesIO(base64.b64decode(video.bytesBase64Encoded)))) + if video.gcsUri: + return IO.NodeOutput(await download_url_to_video_output(video.gcsUri)) + raise Exception("Video returned but no data or URL was provided") + raise Exception("Video generation completed but no video was returned") + class Veo3FirstLastFrameNode(IO.ComfyNode): @@ -394,7 +483,7 @@ class Veo3FirstLastFrameNode(IO.ComfyNode): default="", tooltip="Negative text prompt to guide what to avoid in the video", ), - IO.Combo.Input("resolution", options=["720p", "1080p"]), + IO.Combo.Input("resolution", options=["720p", "1080p", "4k"]), IO.Combo.Input( "aspect_ratio", options=["16:9", "9:16"], @@ -424,8 +513,7 @@ class Veo3FirstLastFrameNode(IO.ComfyNode): IO.Image.Input("last_frame", tooltip="End frame"), IO.Combo.Input( "model", - options=["veo-3.1-generate", "veo-3.1-fast-generate"], - default="veo-3.1-fast-generate", + options=["veo-3.1-generate", "veo-3.1-fast-generate", "veo-3.1-lite"], ), IO.Boolean.Input( "generate_audio", @@ -443,26 +531,20 @@ class Veo3FirstLastFrameNode(IO.ComfyNode): ], is_api_node=True, price_badge=IO.PriceBadge( - depends_on=IO.PriceBadgeDepends(widgets=["model", "generate_audio", "duration"]), + depends_on=IO.PriceBadgeDepends(widgets=["model", "generate_audio", "duration", "resolution"]), expr=""" ( - $prices := { - "veo-3.1-fast-generate": { "audio": 0.15, "no_audio": 0.10 }, - "veo-3.1-generate": { "audio": 0.40, "no_audio": 0.20 } - }; $m := widgets.model; - $ga := (widgets.generate_audio = "true"); + $r := widgets.resolution; + $ga := widgets.generate_audio; $seconds := widgets.duration; - $modelKey := - $contains($m, "veo-3.1-fast-generate") ? "veo-3.1-fast-generate" : - $contains($m, "veo-3.1-generate") ? "veo-3.1-generate" : - ""; - $audioKey := $ga ? "audio" : "no_audio"; - $modelPrices := $lookup($prices, $modelKey); - $pps := $lookup($modelPrices, $audioKey); - ($pps != null) - ? {"type":"usd","usd": $pps * $seconds} - : {"type":"range_usd","min_usd": 0.4, "max_usd": 3.2} + $pps := + $contains($m, "lite") + ? ($r = "1080p" ? ($ga ? 0.08 : 0.05) : ($ga ? 0.05 : 0.03)) + : $contains($m, "fast") + ? ($r = "4k" ? ($ga ? 0.30 : 0.25) : $r = "1080p" ? ($ga ? 0.12 : 0.10) : ($ga ? 0.10 : 0.08)) + : ($r = "4k" ? ($ga ? 0.60 : 0.40) : ($ga ? 0.40 : 0.20)); + {"type":"usd","usd": $pps * $seconds} ) """, ), @@ -482,6 +564,9 @@ class Veo3FirstLastFrameNode(IO.ComfyNode): model: str, generate_audio: bool, ): + if "lite" in model and resolution == "4k": + raise Exception("4K resolution is not supported by the veo-3.1-lite model.") + model = MODELS_MAP[model] initial_response = await sync_op( cls,