def decompress_fullsearch(path, dest_path, macroblock_size=8):
if path[-1] != "/":
path += "/"
info = pickle.load(open(path + "info.dat", "r"))
is_key = 0
if not os.path.exists(dest_path):
os.makedirs(dest_path)
for c in range(info.frames):
error = cv2.imread(path + str(c) + ".png",
cv2.CV_LOAD_IMAGE_GRAYSCALE)
if is_key == 0:
if not cv2.imwrite(dest_path + str(c) + ".png",
error, [cv2.cv.CV_IMWRITE_PNG_COMPRESSION, 0]):
print "Failed to create: " + dest_path + str(c) + ".png"
is_key = info.fixed_keyframe - 1
key_frame = error
else:
frame = intraframe.decode_motion_frame(error,
info.motion_vectors[c],
info.macroblock_size,
key_frame)
if not cv2.imwrite(dest_path + str(c) + ".png",
frame, [cv2.cv.CV_IMWRITE_PNG_COMPRESSION, 0]):
print "Failed to create: " + dest_path + str(c) + ".png"
is_key -= 1
pickle.dump(info, open(dest_path + "info.dat", "w"))
import intraframe as ifr import numpy as np frame = np.ones((20, 20)) * 2 keyframe = np.ones((20, 20)) * 2 frame[0:3, 0:3] = 1 keyframe[2:5, 2:5] = 1 error, m_vs = ifr.encode_motion_frame(frame, keyframe, (2, 2)) deframe = ifr.decode_motion_frame(error, m_vs, (2, 2), keyframe) print deframe
