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| #!/usr/bin/env python3 | |
| import sys | |
| import os | |
| import argparse | |
| import numpy as np | |
| import time | |
| import json | |
| # If this example doesn't work, it's probably because this path is wrong... | |
| sys.path.append('../build/src') | |
| import pypangolin as pango | |
| def main(flags): | |
| vid_uri = flags.pango | |
| vout_uri = flags.pangoOut | |
| vid = pango.VideoInput(vid_uri) | |
| vout = pango.VideoOutput(vout_uri) if vout_uri else None | |
| device_properties = vid.DeviceProperties() | |
| # print metadata | |
| print("Opened video uri: '{}' with {} x {} dimensions".format( vid_uri,vid.Width(),vid.Height())) | |
| # user specified initial frame | |
| vid.Seek(flags.startFrame) | |
| # show each frame | |
| streamsBitDepth = vid.GetStreamsBitDepth() | |
| for frame in vid: | |
| if vout: | |
| vout.WriteStreams(frame, streamsBitDepth, vid.FrameProperties(), device_properties); | |
| # frame is a list of Images! One per stream | |
| # process(frame) | |
| # printing | |
| sys.stdout.write('\rframe: {} / {}'.format(vid.GetCurrentFrameId(), vid.GetTotalFrames())) | |
| print('\nDONE') | |
| if __name__ == "__main__": | |
| # input flags | |
| parser = argparse.ArgumentParser('Read a .pango file frame by frame. Optionally stream to another video output.') | |
| parser.add_argument( | |
| '--pango', type=str, | |
| help='path to the input pango file.') | |
| parser.add_argument( | |
| '--startFrame', type=int, default=0, | |
| help='index of the start frame (inclusive)') | |
| parser.add_argument( | |
| '--pangoOut', type=str, default=None, | |
| help='path to the output pango file.') | |
| # main function | |
| main(parser.parse_args()) | |