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chat/backend/workflows/minimax_h3_joint_av_v2.api.json
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{
"1": {
"_meta": { "title": "MiniMax H3 FL2VA / REF2VA 模型" },
"class_type": "UNETLoader",
"inputs": {
"unet_name": "minimax_h3_fl2va_pruned_int8_convrot.safetensors",
"weight_dtype": "default"
}
},
"2": {
"_meta": { "title": "H3 视频/音频联合采样时间表" },
"class_type": "MiniMaxH3SigmaShift",
"inputs": { "model": ["1", 0], "shift_video": 12.0, "shift_audio": 3.0 }
},
"3": {
"_meta": { "title": "Qwen3-VL H3 文本编码器" },
"class_type": "CLIPLoader",
"inputs": {
"clip_name": "qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors",
"type": "minimax",
"device": "default"
}
},
"4": {
"_meta": { "title": "H3 视频 VAE" },
"class_type": "VAELoader",
"inputs": { "vae_name": "minimax_h3_video_vae_fp16.safetensors" }
},
"5": {
"_meta": { "title": "H3 音频 VAE" },
"class_type": "VAELoader",
"inputs": { "vae_name": "minimax_h3_audio_vae_fp32.safetensors" }
},
"6": {
"_meta": { "title": "H3 FL2VA / 首帧续拍联合音画条件" },
"class_type": "MiniMaxH3ImageToVideo",
"inputs": {
"clip": ["3", 0],
"vae": ["4", 0],
"prompt": "MINIMAX H3 NATIVE JOINT AUDIO-VIDEO CHARACTER DIALOGUE. The visible protagonist, and nobody else, speaks exact standard Mandarin Chinese: ‘有鬼啊!’. The speaking voice must match the visible speakers sex, age and identity. No narrator, no second voice, no extra words, no pseudo-language, no subtitles.",
"width": 576,
"height": 1024,
"length": 124
}
},
"7": {
"_meta": { "title": "零负向条件" },
"class_type": "ConditioningZeroOut",
"inputs": { "conditioning": ["6", 0] }
},
"8": {
"_meta": { "title": "H3 联合视频+音频采样器" },
"class_type": "KSampler",
"inputs": {
"model": ["2", 0],
"seed": 20260804,
"steps": 16,
"cfg": 1.0,
"sampler_name": "euler",
"scheduler": "simple",
"positive": ["6", 0],
"negative": ["7", 0],
"latent_image": ["6", 1],
"denoise": 1.0
}
},
"9": {
"_meta": { "title": "拆分联合视频/音频潜变量" },
"class_type": "LTXVSeparateAVLatent",
"inputs": { "av_latent": ["8", 0] }
},
"10": {
"_meta": { "title": "解码视频画面" },
"class_type": "VAEDecode",
"inputs": { "samples": ["9", 0], "vae": ["4", 0] }
},
"11": {
"_meta": { "title": "解码 H3 原生同步音轨" },
"class_type": "VAEDecodeAudio",
"inputs": { "samples": ["9", 1], "vae": ["5", 0] }
},
"12": {
"_meta": { "title": "24fps 联合音画封装" },
"class_type": "CreateVideo",
"inputs": { "images": ["10", 0], "fps": 24.0, "audio": ["11", 0], "bit_depth": 8 }
},
"13": {
"_meta": { "title": "保存 H3 联合音画 MP4" },
"class_type": "SaveVideo",
"inputs": {
"video": ["12", 0],
"filename_prefix": "short_drama/H3_AV_V2_",
"format": "mp4",
"codec": "auto"
}
}
}