The supported options may include the following:
0: This option is an uncompressed raw video file. The file extension should be .avi.
cv2.VideoWriter_fourcc('I','4','2','0'): This option is an uncompressed YUV encoding, 4:2:0 chroma subsampled. This encoding is widely compatible but produces large files. The file extension should be .avi.
cv2.VideoWriter_fourcc('P','I','M','1'): This option is MPEG-1. The file extension should be .avi.
cv2.VideoWriter_fourcc('X','V','I','D'): This option is a relatively old MPEG-4 encoding. It is a good option if you want to limit the size of the resulting video. The file extension should be .avi.
cv2.VideoWriter_fourcc('M','P','4','V'): This option is another relatively old MPEG-4 encoding. It is a good option if you want to limit the size of the resulting video. The file extension should be .mp4.
cv2.VideoWriter_fourcc('X','2','6','4'): This option is a relatively new MPEG-4 encoding. It may be the best option if you want to limit the size of the resulting video. The file extension should be .mp4.
cv2.VideoWriter_fourcc('T','H','E','O'): This option is Ogg Vorbis. The file extension should be .ogv.
cv2.VideoWriter_fourcc('F','L','V','1'): This option is a Flash video. The file extension should be .flv.
A full list of fourcc can be found in: