Source code for gnes.preprocessor.io_utils.webp

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from typing import List

[docs]def encode_video(images: List['np.ndarray'], frame_rate: int, pix_fmt: str = 'rgb24'): import webp from PIL import Image height, width, _ = images[0].shape if pix_fmt == 'rgb24': pix_fmt = 'RGB' # Save an animation enc = webp.WebPAnimEncoder.new(width, height) timestamp_ms = 0 duration = 1000 // frame_rate for x in images: img = Image.fromarray(x.copy(), pix_fmt) pic = webp.WebPPicture.from_pil(img) enc.encode_frame(pic, timestamp_ms) timestamp_ms += duration anim_data = enc.assemble(timestamp_ms) return bytes(anim_data.buffer())