this is awesome man ..
On Tue, 31 Jul 2018, 16:20 Pravin Yadav, <pk.ja...@gmail.com> wrote:
> *Hello Everyone, I'm using the Live Streaming Video through WebCam. It's
> storing in .avi format. When i'm playing the Video. I'm not getting the
> audio of that video. I hope that opencv does not provide the audio
> features. Kindly let me know if you have any idea. Thanks,*
>
>
> *Please find the below code:---------------*
>
> import os.path
> import numpy as np
> import cv2, time
> import random
>
> def change_res(cap, width, height):
> cap.set(3, width)
> cap.set(4, height)
>
> #Standard Video Dimensions Sizes
> STD_DIMENSIONS = {
> '480p': (640, 480),
> '720p': (1280, 720),
> '1080p': (1920, 1080),
> '4k': (3840, 2160),
> }
>
> VIDEO_TYPE = {
> 'avi':cv2.VideoWriter_fourcc(*'XVID'),
> 'mp4':cv2.VideoWriter_fourcc(*'XVID'),
> }
>
> def get_video_type(filename):
> ext = os.path.splitext(filename),
> if ext in VIDEO_TYPE:
> return VIDEO_TYPE[ext]
> return VIDEO_TYPE['avi']
>
> def get_dims(cap, res='480p'):
> width, height = STD_DIMENSIONS['480p']
> if res in STD_DIMENSIONS:
> width, height = STD_DIMENSIONS[res]
> change_res(cap, width, height)
> return width, height
>
> #--------------START LIVE VIDEO----------#
> random_id = random.randint(10000,99999)
> livevideo_name = str('livevideo_'+str(random_id)+'.avi')
> frames_per_second = 20.0 #..Frame Per Second
> my_res = '480p' #..Frame Size
>
> # Capture video from camera
> livevideos = '/livevideos/'+livevideo_name
> cap = cv2.VideoCapture(-1)
> dims = get_dims(cap, res=my_res)
> video_type_cv2 = get_video_type(livevideos)
>
> # Define the codec and create VideoWriter object
> fourcc = cv2.VideoWriter_fourcc(*'XVID') # Be sure to use the lower case
> out = cv2.VideoWriter(livevideos, video_type_cv2, frames_per_second, dims)
> while(True):
> ret, frame = cap.read()
> if ret==True:
> frame = cv2.flip(frame,1)
> # Write the frame into the file
> out.write(frame)
> cv2.imshow('frame',frame)
> if cv2.waitKey(1) & 0xFF == ord('q'):
> break
> else:
> break
>
> # When everything done, release the video capture and video write objects
> cap.release()
> out.release()
> # Closes all the frames
> cv2.destroyAllWindows()
>
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