(num_sequences, num_frames, height, width, seed=42)
| 51 | |
| 52 | |
| 53 | def read_video(num_sequences, num_frames, height, width, seed=42): |
| 54 | roi_start = (90, 0) |
| 55 | roi_end = (630, 1280) |
| 56 | vid_filenames = [os.path.join(vid_dir, vid_file) for vid_file in vid_files] |
| 57 | |
| 58 | @pipeline_def |
| 59 | def pipeline(): |
| 60 | video = fn.readers.video_resize( |
| 61 | filenames=vid_filenames, |
| 62 | name="video reader", |
| 63 | sequence_length=num_frames, |
| 64 | file_list_include_preceding_frame=True, |
| 65 | device="gpu", |
| 66 | roi_start=roi_start, |
| 67 | roi_end=roi_end, |
| 68 | seed=seed, |
| 69 | resize_x=width, |
| 70 | resize_y=height, |
| 71 | ) |
| 72 | return video |
| 73 | |
| 74 | pipe = pipeline(batch_size=num_sequences, device_id=0, num_threads=4) |
| 75 | (batch,) = pipe.run() |
| 76 | return [np.array(seq) for seq in batch.as_cpu()] |
| 77 | |
| 78 | |
| 79 | def prepare_test_imgs(num_samples, dtype): |
no test coverage detected