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#!/usr/bin/env python

import subprocess as sp

import numpy

cmd = ["ffmpeg",

"-i", "BlackBerry.mp4",

"-f", "image2pipe",

"-pix_fmt", "rgb24",

"-vcodec", "rawvideo",

"-"]

pipe = sp.Popen(cmd, stdout=sp.PIPE, bufsize=10 ** 8)

# # read 380*480*3 bytes (= 1 frame)

# raw_image = pipe.stdout.read(320*180*3)

# # transform the byte read into a numpy array

# image = numpy.fromstring(raw_image, dtype='uint8')

# image = image.reshape((180,320,3))

# # throw away the data in the pipe's buffer.

# pipe.stdout.flush()

# seek https://trac.ffmpeg.org/wiki/Seeking

# command = ["ffmpeg",

# '-ss', '00:59;59',

# '-i', 'myHolidays.mp4',

# '-ss', '1',

# '-f', 'image2pipe',

# '-pix_fmt', 'rgb24',

# '-vcodec', 'rawvideo', '-']

# pipe = sp.Popen(command, stdout=sp.PIPE, bufsize=10 ** 8)