kevinwang676
commited on
Commit
•
bfed652
1
Parent(s):
e65bb8f
Update app_new.py
Browse files- app_new.py +6 -17
app_new.py
CHANGED
@@ -343,26 +343,15 @@ def check_video(video):
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# # Run the ffmpeg command to change the frame rate to 25fps
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# command = f"ffmpeg -i {video} -r 25 -vcodec libx264 -vtag hvc1 -pix_fmt yuv420p crf 18 {output_video} -y"
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#
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reader = imageio.get_reader(video)
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fps = reader.get_meta_data()['fps'] #
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#
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frames = [im for im in reader]
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L_target = int(L / fps * target_fps)
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original_t = [x / fps for x in range(1, L+1)]
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t_idx = 0
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target_frames = []
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for target_t in range(1, L_target+1):
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while target_t / target_fps > original_t[t_idx]:
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t_idx += 1 # find the first t_idx so that target_t / target_fps <= original_t[t_idx]
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target_frames.append(frames[t_idx])
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# save video
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imageio.mimwrite(output_video, target_frames, 'FFMPEG', fps=25, codec='libx264', quality=9, pixelformat='yuv420p')
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return output_video
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# # Run the ffmpeg command to change the frame rate to 25fps
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# command = f"ffmpeg -i {video} -r 25 -vcodec libx264 -vtag hvc1 -pix_fmt yuv420p crf 18 {output_video} -y"
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# 读取视频
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reader = imageio.get_reader(video)
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fps = reader.get_meta_data()['fps'] # 获取原视频的帧率
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# 将帧存储在列表中
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frames = [im for im in reader]
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# 保存视频
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imageio.mimwrite(output_video, frames, 'FFMPEG', fps=25, codec='libx264', quality=9, pixelformat='yuv420p')
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return output_video
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