o #i @spddlZddlZddlZddlZddlZddlmZej d d ddZ d de ej e effddZdS) N)print0torchc Cst||}t||}|d|d}|dur|}n||ddkr%d}n td||d}tj|t|d|||dt}|S)a$sample frames proportional to the length of the frames in one second e.g., 1s video has 30 frames, when 'fps'=3, we sample frames with spacing of 30/3=10 return the frame indices Parameters ---------- total_frames : length of the video video_fps : original fps of the video sample_num_frames : number of frames to sample sample_fps : the fps to sample frames start_index : the starting frame index. If it is not None, it will be used as the starting frame index Returns ------- frame indices Nr)startstopnum)minroundrandomrandintnplinspaceastypeint) total_frames video_fpssample_num_frames sample_fps start_indexintervalZ frames_ranger frame_idxsr5/data/cameron/vidgen/VidTok/vidtok/data/video_read.pysample_frames_with_fps s  rreturnc Cstj|dd}t|}|}t|||||d}||}|d}|dddd}|jd|ks8t||krNt d|d |jdd t|d |d ||fS) auread frames from video path using decord Parameters ---------- video_path : path to video sample_num_frames : number of frames to sample sample_fps : the fps to sample frames start_index : the starting frame index. If it is not None, it will be used as the starting frame index Returns ------- frames (tensor 0~1), frame indices r) num_threads)rrrrrrz\[bold yellow]\[vidtok.data.video_read][read_frames_with_decord][/bold yellow] Warning: need z frames, but got z frames, z frame indices, video_path=.) decord VideoReaderlen get_avg_fpsr get_batchfloatpermuteshaper) video_pathrrr video_readerrrrframesrrrread_frames_with_decord5s,    r+)N)osr r numpyr rvidtok.modules.utilrbridge set_bridgertupleTensorlistrr+rrrrs   -