41 lines
1.8 KiB
Python
41 lines
1.8 KiB
Python
from fastvideo import VideoGenerator, PipelineConfig
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from fastvideo.api.sampling_param import SamplingParam
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def main():
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config = PipelineConfig.from_pretrained("Wan-AI/Wan2.1-T2V-1.3B-Diffusers")
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config.text_encoder_precisions = ["fp16"]
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generator = VideoGenerator.from_pretrained(
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"Wan-AI/Wan2.1-T2V-1.3B-Diffusers",
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pipeline_config=config,
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use_fsdp_inference=False, # Disable FSDP for MPS
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dit_cpu_offload=True,
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text_encoder_cpu_offload=True,
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pin_cpu_memory=True,
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disable_autocast=False,
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num_gpus=1,
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)
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# Create sampling parameters with reduced number of frames
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sampling_param = SamplingParam.from_pretrained("Wan-AI/Wan2.1-T2V-1.3B-Diffusers")
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sampling_param.num_frames = 25 # Reduce from default 81 to 25 frames bc we have to use the SDPA attn backend for mps
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sampling_param.height = 256
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sampling_param.width = 256
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prompt = ("A curious raccoon peers through a vibrant field of yellow sunflowers, its eyes "
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"wide with interest. The playful yet serene atmosphere is complemented by soft "
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"natural light filtering through the petals. Mid-shot, warm and cheerful tones.")
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video = generator.generate_video(prompt, sampling_param=sampling_param)
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prompt2 = ("A majestic lion strides across the golden savanna, its powerful frame "
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"glistening under the warm afternoon sun. The tall grass ripples gently in "
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"the breeze, enhancing the lion's commanding presence. The tone is vibrant, "
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"embodying the raw energy of the wild. Low angle, steady tracking shot, "
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"cinematic.")
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video2 = generator.generate_video(prompt2, sampling_param=sampling_param)
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if __name__ == "__main__":
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main()
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