60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
#encoding = utf8
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import copy
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import logging
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import time
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import cv2
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import numpy as np
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from .base_render import BaseRender
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def img_warp_back_inv_m(img, img_to, inv_m):
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h_up, w_up, c = img_to.shape
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t = time.perf_counter()
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mask = np.ones_like(img).astype(np.float32)
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inv_mask = cv2.warpAffine(mask, inv_m, (w_up, h_up))
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inv_img = cv2.warpAffine(img, inv_m, (w_up, h_up))
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mask_indices = inv_mask == 1
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print(f'time1: {time.perf_counter() - t}')
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if 4 == c:
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t = time.perf_counter()
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img_to[:, :, :3][mask_indices] = inv_img[mask_indices]
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print(f'time2: {time.perf_counter() - t}')
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else:
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img_to[inv_mask == 1] = inv_img[inv_mask == 1]
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return img_to
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class VideoRender(BaseRender):
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def __init__(self, play_clock, context, human_render):
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super().__init__(play_clock, context, 'Video')
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self._human_render = human_render
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self.index = 0
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def render(self, frame, ps):
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res_frame, idx, type_ = frame
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if type_ == 0:
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combine_frame = self._context.frame_list_cycle[idx]
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else:
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bbox = self._context.coord_list_cycle[idx]
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combine_frame = copy.deepcopy(self._context.frame_list_cycle[idx])
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af = self._context.align_frames[idx]
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inv_m = self._context.inv_m_frames[idx]
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y1, y2, x1, x2 = bbox
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try:
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t = time.perf_counter()
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res_frame = cv2.resize(res_frame.astype(np.uint8), (x2 - x1, y2 - y1))
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af[y1:y2, x1:x2] = res_frame
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combine_frame = img_warp_back_inv_m(af, combine_frame, inv_m)
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print(time.perf_counter() - t)
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except Exception as e:
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logging.error(f'resize error:{e}')
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return
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image = combine_frame
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# image = cv2.cvtColor(image, cv2.COLOR_BGRA2RGBA)
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if self._human_render is not None:
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self._human_render.put_image(image)
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