How to receive webcam capture on spout?

[buzzdarkyear]

I'm trying to let Spout receive a webcam capture done with OpenCV but I keep getting errors. How can I approach this problem in the best way?

Error:
C:\Users\User\Desktop\Spout-for-Python-master2\venv\Scripts\python.exe C:/Users/User/Desktop/Spout-for-Python-master2/spout_webcam_sender_example.py
pygame 2.1.2 (SDL 2.0.18, Python 3.6.0)
Hello from the pygame community. https://www.pygame.org/contribute.html
Traceback (most recent call last):
  File "C:/Users/User/Desktop/Spout-for-Python-master2/spout_webcam_sender_example.py", line 125, in <module>
    main()
  File "C:/Users/User/Desktop/Spout-for-Python-master2/spout_webcam_sender_example.py", line 94, in main
    spoutSender.SendTexture(senderTextureID, GL_TEXTURE_2D, spoutSenderWidth, spoutSenderHeight, False, 0)
Boost.Python.ArgumentError: Python argument types in
    SpoutSender.SendTexture(SpoutSender, numpy.uintc, IntConstant, int, int, bool, int)
did not match C++ signature:
    SendTexture(class SpoutSender {lvalue}, unsigned int, unsigned int, unsigned int, unsigned int, bool, unsigned int)
[ WARN:[email protected]] global D:\a\opencv-python\opencv-python\opencv\modules\videoio\src\cap_msmf.cpp (539) `anonymous-namespace'::SourceReaderCB::~SourceReaderCB terminating async callback

Code:

import sys
import os

sys.path.append('{}/Library/3{}'.format(os.getcwd(), sys.version_info[1]))

import argparse
import cv2
import SpoutSDK
import pygame
from pygame.locals import *
from OpenGL.GL import *
from OpenGL.GLU import *

"""parsing and configuration"""
def parse_args():
    desc = "Spout for Python webcam sender example"
    parser = argparse.ArgumentParser(description=desc)

    parser.add_argument('--camSize', nargs = 2, type=int, default=[640, 480], help='File path of content image (notation in the paper : x)')

    parser.add_argument('--camID', type=int, default=1, help='Webcam Device ID)')

    return parser.parse_args()


"""main"""
def main():

    # parse arguments
    args = parse_args()

    # window details
    width = args.camSize[0]
    height = args.camSize[1]
    display = (width,height)

    # window setup
    pygame.init()
    pygame.display.set_caption('Webcam')
    pygame.display.set_mode(display, DOUBLEBUF|OPENGL)
    pygame.display.gl_set_attribute(pygame.GL_ALPHA_SIZE, 8)

    # init capture & set size
    #cap = cv2.VideoCapture(args.camID)
    cap = cv2.VideoCapture(0)
    cap.set(3, width)
    cap.set(4, height)

    # OpenGL init
    glMatrixMode(GL_PROJECTION)
    glOrtho(0,width,height,0,1,-1)
    glMatrixMode(GL_MODELVIEW)
    glLoadIdentity()
    glDisable(GL_DEPTH_TEST)
    glClearColor(0.0,0.0,0.0,0.0)
    glEnable(GL_TEXTURE_2D)

    # init spout sender
    spoutSender = SpoutSDK.SpoutSender()
    spoutSenderWidth = width
    spoutSenderHeight = height
    # Its signature in c++ looks like this: bool CreateSender(const char *Sendername, unsigned int width, unsigned int height, DWORD dwFormat = 0);
    spoutSender.CreateSender('Spout for Python Webcam Sender Example', width, height, 0)

    # create texture id for use with Spout
    senderTextureID = glGenTextures(1)

    # initalise our sender texture
    glBindTexture(GL_TEXTURE_2D, senderTextureID)
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)
    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
    glBindTexture(GL_TEXTURE_2D, 0)

    # loop
    while(True):
        for event in pygame.event.get():
           if event.type == pygame.QUIT:
               pygame.quit()
               quit()

        ret, frame = cap.read()
        frame = cv2.flip(frame, 1 )
        frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)

        # Copy the frame from the webcam into the sender texture
        glBindTexture(GL_TEXTURE_2D, senderTextureID)
        glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, frame )

        # Send texture to Spout
        # Its signature in C++ looks like this: bool SendTexture(GLuint TextureID, GLuint TextureTarget, unsigned int width, unsigned int height, bool bInvert=true, GLuint HostFBO = 0);
        spoutSender.SendTexture(senderTextureID, GL_TEXTURE_2D, spoutSenderWidth, spoutSenderHeight, False, 0)

        # Clear screen
        glClear(GL_COLOR_BUFFER_BIT  | GL_DEPTH_BUFFER_BIT )
        # reset the drawing perspective
        glLoadIdentity()

        # Draw texture to screen
        glBegin(GL_QUADS)

        glTexCoord(0,0)
        glVertex2f(0,0)

        glTexCoord(1,0)
        glVertex2f(width,0)

        glTexCoord(1,1)
        glVertex2f(width,height)

        glTexCoord(0,1)
        glVertex2f(0,height)

        glEnd()

        # update window
        pygame.display.flip()

        # unbind our sender texture
        glBindTexture(GL_TEXTURE_2D, 0)

if __name__ == "__main__":
    main()