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@SatyakiDe2019
Created Dec 29, 2021
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This script will split the source video into individual frames
##############################################
#### Updated By: SATYAKI DE ####
#### Updated On: 12-Nov-2021 ####
#### ####
#### Objective: Consuming Streaming data ####
#### from Ably channels & captured IoT ####
#### events from the simulator & publish ####
#### them in Kivy-I/OS App through ####
#### measured KPIs. ####
#### ####
##############################################
import av
import os
import platform as pl
import subprocess
import sys
from clsConfig import clsConfig as cf
os_det = pl.system()
if os_det == "Windows":
sep = '\\'
else:
sep = '/'
class clsVideo2Frame:
def __init__(self):
self.fileNm = str(cf.conf['FILE_NAME'])
self.base_path = str(cf.conf['INIT_PATH'])
def convert_video_to_audio_ffmpeg(self, video_file, output_ext="mp3"):
try:
"""Converts video to audio directly using `ffmpeg` command
with the help of subprocess module"""
filename, ext = os.path.splitext(video_file)
subprocess.call(["ffmpeg", "-y", "-i", video_file, f"{filename}.{output_ext}"],
stdout=subprocess.DEVNULL,
stderr=subprocess.STDOUT)
return 0
except Exception as e:
x = str(e)
print('Error: ', x)
return 1
def genFrame(self, dInd, var):
try:
base_path = self.base_path
fileNm = self.fileNm
path_to_src_video = base_path + sep + 'Source' + sep + fileNm + '.mp4'
temp_path = base_path + sep + 'Temp' + sep
print('Path: ', path_to_src_video)
x = self.convert_video_to_audio_ffmpeg(path_to_src_video)
if x == 0:
print('Successfully Audio extracted from the source file!')
else:
print('Failed to extract the source audio!')
container = av.open(path_to_src_video)
for frame in container.decode(video=0):
frame.to_image().save(temp_path + 'frame-%04d.jpg' % frame.index)
print('Successfully Converted to Frames!')
return 0
except Exception as e:
x = str(e)
print('Error: ', x)
return 1
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