class Video2PDF:
'''
Class to convert an mp4 video to a PDF
'''
def __init__(self):
self.quilt = None
def random_string(self, length):
letters = string.ascii_letters + string.digits
return ''.join(random.choice(letters) for i in range(length))
def run(self, path):
self.stitcher = Stitcher(path)
self.stitcher.stitch()
self.pdfifier = PDFifier()
self.quilt = self.stitcher.get_quilt()
name = self.random_string(16)
self.pdfifier.makePDF(self.quilt, name)
filename = name
if (os.path.isfile(path + ".mp3")):
os.remove(path + ".mp3")
if (os.path.isdir("audio_segments")):
shutil.rmtree("audio_segments")
if (os.path.isdir("slides")):
shutil.rmtree("slides")
return filename
def main():
parser = argparse.ArgumentParser(
description='A small utility that creates a big map.')
parser.add_argument(
'--start',
required=True,
help=
'top-left point of the region of interest (comma-separated lat/lng pair)'
)
parser.add_argument(
'--end',
required=True,
help=
'bottom-right point of the region of interest (comma-separated lat/lng pair)'
)
parser.add_argument('--zoom', type=int, required=True, help='zoom level')
parser.add_argument('--out', required=True, help='output directory')
parser.add_argument('--transit',
help='enable transit layer',
action='store_true')
args = parser.parse_args()
start = map(float, args.start.split(','))
end = map(float, args.end.split(','))
tile_size_px = 500
print('[bigmapmaker] Starting.')
screenshotter = Screenshotter(start, end, args.zoom, args.out,
args.transit, tile_size_px)
screenshotter.fetch_tiles()
print('[bigmapmaker] Done with fetching, moving on to stitching.')
stitcher = Stitcher(args.out, tile_size_px)
stitcher.stitch()
print('[bigmapmaker] Done.')
def process(self):
while (True):
start_time = time.time()
# Capture frame-by-frame
self.extFrames.clear()
for cam in self.extCams:
ret, frame = cam.read()
frame = self.f.unwarp(frame)
self.extFrames.append(frame)
# Our operations on the frame come here
# Display the resulting frame
if self.stitch:
# s = CVStitcher(args.debug)
s = Stitcher(self.debug)
pano = s.stitch(self.extFrames)
# cv2.resize(pano, (320, 180), interpolation=cv2.INTER_AREA)
cv2.imshow("pano", pano)
if self.debug:
for i in range(len(self.extCams)):
cv2.imshow(
'frame' + str(i),
cv2.resize(self.extFrames[i], (480, 270),
interpolation=cv2.INTER_AREA))
for cam in self.extCams:
print(self.decode_fourcc(cam.get(cv2.CAP_PROP_FOURCC)))
if cv2.waitKey(1) & 0xFF == ord('q'):
break
fps = 1.0 / (time.time() - start_time)
print("[INFO] approx. FPS: {:.2f}".format(fps))
# Cleanly exit.
for cam in self.extCams:
cam.release()
cv2.destroyAllWindows()
def main():
stitcher = Stitcher()
while True:
leftCam = cv2.VideoCapture(2)
rearCam = cv2.VideoCapture(1)
rightCam = cv2.VideoCapture(0)
#ap = argparse.ArgumentParser()
#ap.add_argument('-i', '--input-dir', required=True, help='Path to image input directory')
#args = vars(ap.parse_args())
#dir = args['input_dir'].strip(' ')
#input_dir = os.path.join(os.getcwd(), dir)
#image_files = sorted(os.listdir(input_dir))
#image_files = [os.path.join(input_dir, x) for x in image_files]
#images = [imutils.resize(cv2.imread(x), width=400) for x in image_files]
images = []
images.append(leftCam.read()[1])
images.append(rearCam.read()[1])
images.append(rightCam.read()[1])
images = [imutils.resize(cv2.flip(x, 1), width=400) for x in images]
try:
result = stitcher.stitch(images)
cv2.imshow("Stitched", result)
except RuntimeError:
cv2.waitKey(100)
continue
cv2.waitKey(100)
def main(_):
assert FLAGS.out
assert FLAGS.db and os.path.exists(FLAGS.db)
picpac_config = dict(
seed=2016,
#loop=True,
shuffle=True,
reshuffle=True,
#resize_width=256,
#resize_height=256,
round_div=FLAGS.stride,
batch=1,
split=1,
split_fold=0,
annotate='json',
channels=FLAGS.channels,
stratify=True,
pert_color1=20,
pert_angle=20,
pert_min_scale=0.8,
pert_max_scale=1.2,
#pad=False,
pert_hflip=True,
pert_vflip=True,
channel_first=False # this is tensorflow specific
# Caffe's dimension order is different.
)
stream = picpac.ImageStream(FLAGS.db,
perturb=False,
loop=False,
**picpac_config)
gal = Gallery(FLAGS.out)
cc = 0
with Model(FLAGS.model, name=FLAGS.name, prob=True) as model:
for images, _, _ in stream:
#images *= 600.0/1500
#images -= 800
#images *= 3000 /(2000-800)
_, H, W, _ = images.shape
if FLAGS.max_size:
if max(H, W) > FLAGS.max_size:
continue
if FLAGS.patch:
stch = Stitcher(images, FLAGS.patch)
probs = stch.stitch(model.apply(stch.split()))
else:
probs = model.apply(images)
cc += 1
save(gal.next(), images, probs)
if FLAGS.max and cc >= FLAGS.max:
break
gal.flush()
pass
def stitch(img1, img2, sigma=2.0, levels=None, flag_fast=False):
if flag_fast:
if img1.shape[1] > 400:
img1 = cv2.resize(
img1,
(width, int(img1.shape[0] * float(width) / img1.shape[1])))
if img2.shape[1] > 400:
img2 = cv2.resize(
img2,
(width, int(img2.shape[0] * float(width) / img2.shape[1])))
# stitch the images together to create a panorama
stitcher = Stitcher()
return stitcher.stitch([img1, img2], sigma=sigma, levels=levels)
class MyWindow(QtWidgets.QMainWindow, Ui_MainWindow):
def __init__(self):
QtWidgets.QMainWindow.__init__(self)
Ui_MainWindow.__init__(self)
self.setupUi(self)
self.startButton.clicked.connect(self.openFileNameDialog)
self.nextButton.clicked.connect(self.nextSlide)
self.previousButton.clicked.connect(self.prevSlide)
self.pdfButton.clicked.connect(self.genPDF)
self.quilt = None
self.image_num = 0
def startNoah(self, path):
#data is a string with the text
self.stitcher = Stitcher(path)
self.stitcher.stitch()
self.pdfifier = PDFifier()
self.quilt = self.stitcher.get_quilt()
self.image_num = 0
image_map = QPixmap(self.quilt[0].slide_path)
data = self.fix_text(self.quilt[0].script)
self.slideImage.setPixmap(image_map)
self.textArea.setText('\n'.join(data))
self.repaint()
def nextSlide(self):
if (self.quilt != None):
if (self.image_num < len(self.quilt) - 1):
self.image_num += 1
image_map = QPixmap(self.quilt[self.image_num].slide_path)
self.slideImage.setPixmap(image_map)
data = self.fix_text(self.quilt[self.image_num].script)
self.textArea.setText('\n'.join(data))
self.repaint()
def prevSlide(self):
if (self.quilt != None):
if (self.image_num > 0):
self.image_num -= 1
image_map = QPixmap(self.quilt[self.image_num].slide_path)
self.slideImage.setPixmap(image_map)
data = self.fix_text(self.quilt[self.image_num].script)
self.textArea.setText('\n'.join(data))
self.repaint()
def fix_text(self, script):
first = True
fixed = list()
for segment in script:
new_text = ""
for text in segment:
for word in text:
if (first):
first = False
new_text += word
else:
new_text += (" " + word)
fixed.append(new_text)
return fixed
def openFileNameDialog(self):
options = QFileDialog.Options()
options |= QFileDialog.DontUseNativeDialog
path, _ = QFileDialog.getOpenFileName(
self,
"QFileDialog.getOpenFileName()",
"",
"All Files (*);;Python Files (*.py)",
options=options)
path = os.path.basename(path)
if path:
self.startNoah(path)
def genPDF(self):
print("Generating a pdf...")
if (self.quilt != None):
self.pdfifier.makePDF(self.quilt)
print("Done!")
from stitcher import Stitcher
import cv2
# 读取拼接图片
imageA = cv2.imread("../pic/left_01.png")
imageB = cv2.imread("../pic/right_01.png")
# 把图片拼接成全景图
stitcher = Stitcher()
(result, vis) = stitcher.stitch([imageA, imageB], showMatches=True)
# 显示所有图片
cv2.imshow("Image A", imageA)
cv2.imshow("Image B", imageB)
cv2.imshow("Keypoint Matches", vis)
cv2.imshow("Result", result)
cv2.waitKey(0)
class Client(object):
def __init__(self, torrent):
self.torrent = torrent
self.torrent_state = 'random'
self.reactor = Reactor()
self.reactor_activated = False
self.peer_id = '-TZ-0000-00000000000'
self.peers = []
self.decode_torrent_and_setup_pieces()
self.handshake = self.build_handshake()
self.setup_tracker()
self.stitcher = Stitcher(self)
self.setup_peers()
def decode_torrent_and_setup_pieces(self):
f = open(self.torrent, 'r')
metainfo = B.bdecode(f.read())
data = metainfo['info'] # Un-bencoded dictionary
self.info_hash = H.sha1(B.bencode(data)).digest()
self.announce_url = self.find_http_announce_url(metainfo)
#self.announce_url = 'http://tracker.ccc.de:6969/announce'
self.file_name = data['name'] # Dir name if multi, otherwise file name
self.piece_length = data['piece length']
if 'files' in data: # Multifile torrent
self.setup_multi_file_info(data)
else:
self.setup_single_file_info(data)
self.setup_download_directory()
self.check_if_dload_file_exists()
self.setup_pieces(self.piece_length, data['pieces'])
def find_http_announce_url(self, metainfo):
print metainfo.keys()
# print metainfo['announce-list']
if self.is_http_url(metainfo['announce']):
return metainfo['announce']
elif 'announce-list' in metainfo.keys():
for url in metainfo['announce-list']:
url = url[0]
if self.is_http_url(url):
print url
return url
raise SystemExit('UDP announce urls are not supported. Currently only HTTP is supported.')
def is_http_url(self, url):
return 'http://' in url
def setup_multi_file_info(self, metainfo):
self.is_multi_file = True
self.files = metainfo['files'] # dictionary of file lengths + paths
self.file_length = sum([file_dict['length'] for file_dict in self.files]) # file_length = total # bytes to dload
def setup_single_file_info(self, metainfo):
self.is_multi_file = False
self.file_length = metainfo['length']
def build_handshake(self):
logging.info('Building handshake')
pstr = 'BitTorrent protocol'
handshake = struct.pack('B' + str(len(pstr)) + 's8x20s20s',
# 8x => reserved null bytes
len(pstr),
pstr,
self.info_hash,
self.peer_id
)
assert handshake != None
assert len(handshake) == 49 + len(pstr)
logging.info('Handshake constructed.')
return handshake
def setup_tracker(self):
self.tracker = Tracker(self, self.announce_url)
def setup_peers(self):
peer_ips = self.tracker.send_request_and_parse_response()
self.connect_to_peers(peer_ips)
def connect_to_peers(self, peer_tuples):
peers = [Peer(ip, port, self) for ip, port in peer_tuples]
logging.debug('Attempting to connect to peers %s', peer_tuples)
for peer in peers:
try:
if peer.ip == self.get_self_ip():
logging.info('Skipping peer; cannot connect to self')
continue
peer.connect()
peer_handshake = peer.send_and_receive_handshake(self.handshake)
logging.debug('Handshake returned.')
if peer.verify_handshake(peer_handshake, self.info_hash):
logging.debug('Handshake verified. Adding peer to peer list')
self.add_peer(peer)
if not self.reactor_activated:
self.activate_reactor()
self.reactor_activated = True
except IOError as e:
logging.warning('Error in construct_peers! %s', e)
self.manage_requests(5)
def get_self_ip(self):
# http://stackoverflow.com/questions/166506/finding-local-ip-addresses-using-pythons-stdlib/166520#166520
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(('8.8.8.8', 80))
ip = s.getsockname()[0]
s.close()
return ip
def add_peer(self, peer):
logging.info('Adding peer %s to peer list (in add_peer)', peer)
self.peers.append(peer)
self.reactor.add_peer_socket(peer)
def activate_reactor(self):
logging.debug('Activating reactor.')
self.reactor.get_data()
def process_raw_hash_list(self, hash_list, size):
tmp_hash = ''
piece_hashes = []
for char in hash_list:
if len(tmp_hash) < size:
tmp_hash = tmp_hash + char
else:
piece_hashes.append(tmp_hash)
tmp_hash = char
piece_hashes.append(tmp_hash)
return piece_hashes
def setup_pieces(self, length, hash_bytes):
hash_list = self.process_raw_hash_list(hash_bytes, 20)
logging.info('setting up pieces for file length, %s', length)
pieces = []
self.num_pieces = len(hash_list)
logging.info('dividing up file into %s pieces', self.num_pieces)
self.bitfield = BitArray(self.num_pieces)
last_piece_length = self.file_length - (self.num_pieces - 1) * length
for i in range(self.num_pieces):
if i == self.num_pieces - 1:
length = last_piece_length
pieces.append(Piece(self, i, length, hash_list[i], self.dload_dir))
self.pieces = pieces
self.piece_queue = PieceQueue(pieces)
def setup_download_directory(self):
dir_name = self.torrent
if dir_name.endswith('.torrent'):
dir_name = dir_name[:-8]
self.dload_dir = os.path.join(os.path.abspath(os.curdir), dir_name)
try:
os.makedirs(self.dload_dir)
except OSError:
if not os.path.isdir(self.dload_dir):
raise SystemExit('Cannot create directory to download torrent files into. Please check if a file named ' + dir_name + ' exists')
# raise OSError('Cannot create directory to download torrent files to.')
def check_if_dload_file_exists(self):
file_path = os.path.join(self.dload_dir, self.file_name)
if os.path.exists(file_path):
raise SystemExit('This file has already been downloaded.')
# Do something to cancel the rest of the setup
def add_piece_to_queue(self, piece):
self.piece_queue.put(piece)
def add_piece_to_bitfield(self, index):
if not self.bitfield[index]:
self.bitfield.invert(index)
self.manage_requests()
else:
logging.warning('Should never get save same piece more than once!')
def add_peer_to_piece_peer_list(self, piece_index, peer):
# print 'Adding piece', piece_index, 'to peer', peer
self.pieces[piece_index].add_peer_to_peer_list(peer)
def manage_requests(self, num_pieces=1):
logging.info('Sending more piece requests')
logging.info('Piece queue has %s pieces', self.piece_queue.length())
if not self.piece_queue.empty():
self.manage_piece_queue_state();
for i in xrange(num_pieces):
self.request_next_piece();
logging.info('Cleaning up piece queue')
else:
# Count outstanding requests to decide when to go into endgame
self.torrent_state = 'endgame'
self.start_endgame()
def start_endgame(self):
self.blasted_requests = []
for i in xrange(ENDGAME_MAX_BLASTS):
self.send_endgame_request()
def send_endgame_request(self):
block_info = self.select_outstanding_request()
if block_info:
self.blasted_requests.append(block_info)
self.pieces(block_info[0]).request_block_endgame(block_info)
def select_outstanding_request(self):
# TODO: Use filter instead of picking at random
peers_with_requests = filter(lambda peer: len(peer.outstanding_requests) > 0, self.peers)
if len(peers_with_requests):
peer = random.choice(peers_with_requests)
block_info = random.choice(peer.outstanding_requests)
return block_info
def manage_piece_queue_state(self):
# This should probably only get called occasionally
logging.debug('Have received %s pieces, need %s more', self.bitfield.count(1), self.bitfield.count(0))
if self.bitfield.count(1) > PIECE_THRESHOLD and self.piece_queue.length() > PIECE_THRESHOLD:
self.piece_queue.update_piece_order()
self.torrent_state = 'rarest_first'
# DISPATCHES TO PIECE
def request_block(self, block_info):
piece_index = block_info[0]
self.pieces[piece_index].request_block(block_info)
def request_next_piece(self):
next_piece = self.piece_queue.get_next_piece(self.torrent_state)
logging.info('Requesting piece %s', next_piece)
if next_piece:
try:
next_piece.request_all_blocks()
except IndexError as e:
self.piece_queue.put(next_piece)
logging.error(e)
def add_block(self, block_info, block):
(piece_index, begin, block_length) = block_info
logging.info('Writing block of length %s at index %s for piece %s',
block_length, begin, piece_index)
piece = self.pieces[piece_index]
logging.info('Piece has index %s', piece.index)
piece.add_block(begin, block)
self.tracker.update_download_stats(block_length)
if self.torrent_state == 'endgame' and block_info in self.blasted_requests:
piece = self.pieces[block_info[0]]
piece.cancel_block(block_info, self)
if self.bitfield.count(0) > 0:
self.send_endgame_request()
if self.num_pieces - self.bitfield.count(1) == 0:
self.finalize_download()
def finalize_download(self):
logging.info('Finalizing download')
if not self.tracker.is_download_complete():
raise SystemExit('Download didnt complete. Shutting down.')
self.stitch_files()
self.tracker.send_completed_msg_to_tracker_server()
logging.info('Shutting down connection with peers')
for peer in self.peers:
peer.close()
print 'Quitting client'
logging.info('Download completed. Quitting client.')
sys.exit()
def stitch_files(self):
print 'stitching...'
logging.info('Wrote all pieces, stitching them together')
self.stitcher.stitch()
logging.info('Stitching completed.')
def finalize_piece(self, piece):
if piece.check_info_hash():
logging.debug('Yay! Correct info hash!')
self.add_piece_to_bitfield(piece_index)
else:
logging.debug('Incorrect infohash, starting over with piece %s', piece_index)
piece.reset()
def run(self):
self._run = True
# joining MC group
self._sock.bind(('', self._mcast_port)) # may causes issues in windows
self._sock.setsockopt(
socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP,
socket.inet_aton(self._mcast_grp) + socket.inet_aton(self._mcip))
# self._sock.setsockopt(socket.SOL_IP, socket.IP_MULTICAST_IF, socket.INADDR_ANY if self._mcip == '0.0.0.0' else socket.inet_aton(self._mcip))
# mreq = struct.pack('4sl', socket.inet_aton(self._mcast_grp), socket.INADDR_ANY if self._mcip == '0.0.0.0' else socket.inet_aton(self._mcip))
self._logger.debug(
"Receiver thread started for %s:%d (ssrc: %d) on %s" %
(self._mcast_grp, self._mcast_port, self._ssrc, self._mcip))
while self._run:
try:
data, addr = self._sock.recvfrom(1500)
rtp_pkt = RTP()
rtp_pkt.unpack(data)
# drop inproper packages
if rtp_pkt.version != 2:
self._logger.warning('invalid RTP format')
continue
if int(rtp_pkt.ssrc) != self._ssrc:
self._logger.warning(
'Foregin RTP stream (ssrc=%d, but expecting %d)' %
(int(rtp_pkt.ssrc),
self._ssrc)) # TODO: implement received from...
continue
if rtp_pkt.x == 1:
rtp_pkt = RTPEXT()
rtp_pkt.unpack(data)
if rtp_pkt.id == RTPMABRDATA.ID:
rtp_pkt = RTPMABRDATA()
rtp_pkt.unpack(data)
elif rtp_pkt.id == RTPMABRSTITCHER.ID:
rtp_pkt = RTPMABRSTITCHER()
rtp_pkt.unpack(data)
else:
self._logger.warning('Non MABR RTP packet (id=%02x)' %
rtp_pkt.id)
continue
else:
self._logger.warning(
'Non MABR RTP packet (RTP extension is missing)')
continue
# store data
if not self._memdb.set(
Slice.getmemcachedkey(rtp_pkt.ssrc, rtp_pkt.seq),
rtp_pkt.data):
self._logger.warning(
'ssrc: %s, seq: %d, cannot store RTP packet ' %
(rtp_pkt.ssrc, rtp_pkt.seq))
# else:
# self._logger.debug('RTP packet stored: ssrc=%s, seq=%d' % (rtp_pkt.ssrc, rtp_pkt.seq))
# trigger stitcher
if rtp_pkt.id == RTPMABRSTITCHER.ID:
Stitcher.stitch(rtp_pkt.ssrc, rtp_pkt.burstseqfirst,
rtp_pkt.burstseqlast, rtp_pkt.chunknumber,
rtp_pkt.checksum, self._logger)
except socket.timeout:
pass
except Exception as e:
self._logger.warning("Oops: %s" % e.message)
self._logger.debug(traceback.format_exc())
from stitcher import Stitcher
import argparse
import imutils
import cv2
ap = argparse.ArgumentParser()
ap.add_argument("-f", "--first", required=False,
help="path to the first image")
ap.add_argument("-s", "--second", required=False, help="path to the second "
"image")
args = vars(ap.parse_args())
imageA = cv2.imread(args["first"] if args["first"] else
"../../../data/input/church_1.jpg")
imageB = cv2.imread(args["second"] if args["first"] else
"../../../data/input/church_2.jpg")
stitcher = Stitcher()
result, matches = stitcher.stitch([imageA, imageB], show_matches=True)
cv2.imwrite("../../../data/output/keypoints_matches.png", matches)
cv2.imwrite("../../../data/output/stitch_result.png", result)
