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""" |
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examples.dash |
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~~~~~~~~~~~~ |
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Create DASH streams and manifest |
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:copyright: (c) 2020 by Amin Yazdanpanah. |
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:website: https://www.aminyazdanpanah.com |
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:email: [email protected] |
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:license: MIT, see LICENSE for more details. |
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""" |
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import argparse |
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import datetime |
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import sys |
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import logging |
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import ffmpeg_streaming |
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from ffmpeg_streaming import Formats |
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logging.basicConfig(filename='streaming.log', level=logging.NOTSET, format='[%(asctime)s] %(levelname)s: %(message)s') |
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def monitor(ffmpeg, duration, time_, time_left, process): |
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""" |
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You can monitor ffmpeg command line and handle the process. For example, you can update a field in your database |
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or log it to a file. |
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Examples: |
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1. Logging or printing ffmpeg command |
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logging.info(ffmpeg) or print(ffmpeg) |
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2. Handling Process object |
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if "something happened": |
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process.terminate() |
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3. Email someone to notice the time of finishing process |
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if time_left > 3600 and not already_send: # if it takes more than one hour and you did not email them already |
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Email.send( |
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email='[email protected]', |
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subject='Your video will be ready at %s seconds' % time_left, |
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message='Your video takes more than an hour ...' |
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) |
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already_send = True |
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4. Create a socket connection and show a progress bar(and other parameters) to users |
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Socket.broadcast( |
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address=127.0.0.1 |
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port=5050 |
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data={ |
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percentage = per, |
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time_left = datetime.timedelta(seconds=int(time_left)) |
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} |
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) |
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:param ffmpeg: ffmpeg command line |
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:param duration: duration of the video |
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:param time_: current time of transcoded video |
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:param time_left: seconds left to finish the video process |
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:param process: subprocess object |
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:return: None |
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""" |
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per = round(time_ / duration * 100) |
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sys.stdout.write( |
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"\rTranscoding...(%s%%) %s left [%s%s]" % |
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(per, datetime.timedelta(seconds=int(time_left)), '#' * per, '-' * (100 - per)) |
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) |
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sys.stdout.flush() |
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def main(): |
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parser = argparse.ArgumentParser() |
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parser.add_argument('-i', '--input', required=True, help='The path to the video file (required).') |
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parser.add_argument('-o', '--output', default=None, help='The output to write files.') |
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parser.add_argument('-hls', '--hls_output', default=False, help='publish hls playlists') |
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args = parser.parse_args() |
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video = ffmpeg_streaming.input(args.input) |
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dash = video.dash(Formats.h264()) |
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dash.auto_generate_representations() |
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if args.hls_output: |
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dash.generate_hls_playlist() |
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dash.output(args.output, monitor=monitor) |
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if __name__ == "__main__": |
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sys.exit(main()) |
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aminyazdanpanah /
python-ffmpeg-video-streaming
