def generateStills(head, name, extension):
"""Generates ~100 still JPEGs from the 3gp video"""
# ffmpeg -r 25 -i filename.3gp -r {outputframerate} -vframes 100 filename%3d.jpg
print("momomomomo")
output_frame_rate = int(100.0 / total_seconds(getVideoLength(generateFilename(head, name, extension)))) + 1
print("moo")
cmd = "ffmpeg"
cmd += " -i " + generateFilename(head, name, extension) # filename
cmd += " -r 25"
cmd += " -y " # -y: force overwrite output files
cmd += " -r " + str(output_frame_rate)
cmd += " -vframes 100 "
cmd += " " + generateFilename(head + os.sep + JPG_DIRECTORY, name, "%3d.jpg") # output file
print("Stills command: %s" % cmd)
args = shlex.split(cmd)
process = subprocess.Popen(args, stdout = subprocess.PIPE, stderr=subprocess.PIPE)
output = process.communicate()[1]
print("Finished creating stills")
print(output)
def sleep(start_run):
sleep_time = max(
0, TIME_BETWEEN_RUNS - total_seconds(datetime.now() - start_run))
print("Sleeping for %s seconds" % sleep_time)
time.sleep(sleep_time)
def utcoffset_hours(self):
return total_seconds(self.offset) / (60 * 60)