ef62ac48d1
Co-authored-by: SuhaanCommits <suhaan@cedar.build> Co-authored-by: Claude Fable 5 <noreply@anthropic.com> Co-authored-by: SolitaryThinker <wlsaidhi@gmail.com>
50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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"""Wan2.2-S2V-14B: animate a reference image in sync with a speech track.
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The audio drives the motion -- lip sync, head movement, and gesture rhythm all
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come from the waveform, while the reference image fixes who the subject is and
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the prompt sets the scene and camera.
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"""
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from fastvideo import VideoGenerator
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OUTPUT_PATH = "video_samples_wan_s2v"
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def main():
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generator = VideoGenerator.from_pretrained(
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"FastVideo/Wan2.2-S2V-14B-Diffusers",
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num_gpus=1,
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use_fsdp_inference=False,
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dit_cpu_offload=True,
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vae_cpu_offload=False,
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text_encoder_cpu_offload=True,
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pin_cpu_memory=True,
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)
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# num_frames follows FastVideo's 4k+1 contract. 81 frames is one clip; a
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# longer count (e.g. 165 = 81 + 84) chains clips, each continuing from the
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# last 73 frames of the previous one, until the request is covered. Audio
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# past the end of the video is dropped; video past the end of the audio
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# plays over silence.
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prompt = ("A woman in a recording studio singing into a condenser microphone, "
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"warm key light from the left, shallow depth of field, medium close-up, "
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"subtle head movement in time with the music.")
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generator.generate_video(
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prompt,
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image_path="https://raw.githubusercontent.com/Wan-Video/Wan2.2/main/examples/i2v_input.JPG",
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audio_path="https://raw.githubusercontent.com/Wan-Video/Wan2.2/main/examples/talk.wav",
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output_path=OUTPUT_PATH,
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save_video=True,
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height=480,
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width=832,
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num_frames=81,
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fps=16,
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guidance_scale=5.0,
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num_inference_steps=40,
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)
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if __name__ == "__main__":
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main()
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