def test_rtf_stream(conversion): """ Testing Real-Time Frames Mode """ mpd_file_path = return_mpd_path() try: # Open stream stream = CamGear(source=return_testvideo_path(), colorspace=conversion).start() stream_params = { "-clear_prev_assets": True, "-input_framerate": "invalid", } streamer = StreamGear(output=mpd_file_path, **stream_params) while True: frame = stream.read() # check if frame is None if frame is None: break if conversion == "COLOR_BGR2RGBA": streamer.stream(frame, rgb_mode=True) else: streamer.stream(frame) stream.stop() streamer.terminate() mpd_file = [ os.path.join(mpd_file_path, f) for f in os.listdir(mpd_file_path) if f.endswith(".mpd") ] assert len(mpd_file) == 1, "Failed to create MPD file!" assert check_valid_mpd(mpd_file[0]) except Exception as e: pytest.fail(str(e))
def test_write(conversion): """ Testing WriteGear Compression-Mode(FFmpeg) Writer capabilties in different colorspace """ #Open stream stream = CamGear(source=return_testvideo_path(), colorspace = conversion, logging=True).start() writer = WriteGear(output_filename = 'Output_tw.mp4', custom_ffmpeg = return_static_ffmpeg()) #Define writer while True: frame = stream.read() # check if frame is None if frame is None: #if True break the infinite loop break if conversion in ['COLOR_BGR2RGB', 'COLOR_BGR2RGBA']: writer.write(frame, rgb_mode = True) else: writer.write(frame) stream.stop() writer.close() basepath, _ = os.path.split(return_static_ffmpeg()) ffprobe_path = os.path.join(basepath,'ffprobe.exe' if os.name == 'nt' else 'ffprobe') result = check_output([ffprobe_path, "-v", "error", "-count_frames", "-i", os.path.abspath('Output_tw.mp4')]) if result: if not isinstance(result, string_types): result = result.decode() logger.debug('Result: {}'.format(result)) for i in ["Error", "Invalid", "error", "invalid"]: assert not(i in result) os.remove(os.path.abspath('Output_tw.mp4'))
def test_youtube_playback(): """ Testing Youtube Video Playback capabilities of VidGear """ if os.name != 'nt': Url = 'https://youtu.be/YqeW9_5kURI' result = True errored = False #keep watch if youtube streaming not successful try: true_video_param = return_youtubevideo_params(Url) options = {'THREADED_QUEUE_MODE':False} stream = CamGear(source=Url, y_tube = True, logging=True, **options).start() # YouTube Video URL as input height = 0 width = 0 fps = 0 while True: frame = stream.read() if frame is None: break if height == 0 or width == 0: fps = stream.framerate height,width = frame.shape[:2] print('WIDTH: {} HEIGHT: {} FPS: {}'.format(true_video_param[0],true_video_param[1],true_video_param[2])) print('WIDTH: {} HEIGHT: {} FPS: {}'.format(width,height,fps)) except Exception as error: print(error) errored = True if not errored: assert true_video_param[0] == width and true_video_param[1] == height and true_video_param[2] == fps else: print('YouTube playback Test is skipped due to above error!') else: print('YouTube playback Test is skipped due to bug with Appveyor on Windows builds!')
def test_youtube_playback(url): """ Testing Youtube Video Playback capabilities of VidGear """ try: height = 0 width = 0 fps = 0 # get params stream = CamGear(source=url, y_tube=True, logging=True).start() # YouTube Video URL as input while True: frame = stream.read() if frame is None: break if height == 0 or width == 0: fps = stream.framerate height, width = frame.shape[:2] break stream.stop() # get true params true_video_param = return_youtubevideo_params(url) # log everything logger.debug("WIDTH: {} HEIGHT: {} FPS: {}".format( true_video_param[0], true_video_param[1], true_video_param[2])) logger.debug("WIDTH: {} HEIGHT: {} FPS: {}".format(width, height, fps)) # assert true verses ground results assert (true_video_param[0] == width and true_video_param[1] == height and round(true_video_param[2], 1) == round(fps, 1)) except Exception as e: if isinstance(e, (RuntimeError, ValueError)) and url == "im_not_a_url": pass else: pytest.fail(str(e))
def test_stream_mode(url, quality, parameters): """ Testing Stream Mode Playback capabilities of CamGear """ try: height = 0 width = 0 fps = 0 options = {"STREAM_RESOLUTION": quality, "STREAM_PARAMS": parameters} # get params stream = CamGear( source=url, stream_mode=True, logging=True, **options ).start() # YouTube Video URL as input while True: frame = stream.read() if frame is None: break if height == 0 or width == 0: fps = stream.framerate height, width = frame.shape[:2] break stream.stop() logger.debug("WIDTH: {} HEIGHT: {} FPS: {}".format(width, height, fps)) except Exception as e: if isinstance(e, (RuntimeError, ValueError)) and ( url == "im_not_a_url" or platform.system() in ["Windows", "Darwin"] ): pass else: pytest.fail(str(e))
def test_rtf_livestream(format): """ Testing Real-Time Frames Mode with livestream. """ assets_file_path = return_assets_path(False if format == "dash" else True) try: # Open stream options = {"THREAD_TIMEOUT": 300} stream = CamGear(source=return_testvideo_path(), **options).start() stream_params = { "-livestream": True, } streamer = StreamGear(output=assets_file_path, format=format, **stream_params) while True: frame = stream.read() # check if frame is None if frame is None: break streamer.stream(frame) stream.stop() streamer.terminate() except Exception as e: if not isinstance(e, queue.Empty): pytest.fail(str(e))
def process_video(self, person_detector, face_detector, face_segmentor): """ Processes video with person detection, face detection and face segmentation. :param person_detector: Person Detection :type person_detector: PersonDetector class :param face_detector: Face Detection :type face_detector: FaceDetector class :param face_segmentor: Face Segmentation :type face_segmentor: FaceSegmentation class """ self.person_detector = person_detector self.face_detector = face_detector self.face_segmentor = face_segmentor if if_rtsp(self.video_source): vid = VideoStreamer(self.video_source).start() if if_webcam(self.video_source): vid = CamGear(source=int(self.video_source)).start() else: vid = CamGear(source=self.video_source).start() while True: frame = vid.read() if frame is None: break frame = self.process_frame(frame) cv2.imshow("VigilantGantry Face Segmentation AI Engine", frame) if cv2.waitKey(1) == 27: break vid.stop() cv2.destroyAllWindows() return None
def test_youtube_playback(): """ Testing Youtube Video Playback capabilities of VidGear """ if os.name != 'nt': Url = 'https://youtu.be/dQw4w9WgXcQ' result = True try: true_video_param = return_youtubevideo_params(Url) stream = CamGear(source=Url, y_tube = True, time_delay=2, logging=True).start() # YouTube Video URL as input fps = stream.framerate height = 0 width = 0 while True: frame = stream.read() if frame is None: result = False break if height == 0 or width == 0: height,width = frame.shape[:2] break print('WIDTH: {} HEIGHT: {} FPS: {}'.format(true_video_param[0],true_video_param[1],true_video_param[2])) print('WIDTH: {} HEIGHT: {} FPS: {}'.format(width,height,fps)) except Exception as error: print(error) result = False print('Result: {}'.format('Skipped' if not result else 'Displaying...')) if result: assert true_video_param[0] == width and true_video_param[1] == height and true_video_param[2] == fps else: print('YouTube playback Test is skipped, since valid frames are not returned!') else: print('YouTube playback Test is skipped due to bug with Appveyor on Windows builds!')
def init_class(self, cls_args): #self.dev = cv2.VideoCapture(2) dev_options = { 'CAP_PROP_FRAME_WIDTH': 1920, 'CAP_PROP_FRAME_HEIGHT': 1080, 'CAP_PROP_FPS': 30 } self.dev = CamGear(source=2, **dev_options) self.dev.start()
def vidgear_livestream(url): vs = CamGear(source=url, y_tube=True).start() while True: frame = vs.read() if frame is None: break frame = imutils.resize(frame, width=500) cv2.imshow("Output Stream", frame) key = cv2.waitKey(1) & 0xFF if key == ord("q"): break
def playback(level): """ tests CamGear API's playback capabilities """ options = {"THREADED_QUEUE_MODE": False} stream = CamGear(source=level, **options).start() fps = FPS().start() while True: frame = stream.read() if frame is None: break fps.update() stream.stop() logger.info("approx. FPS: {:.2f}".format(fps.average_fps()))
def test_rtf_stream(conversion, format): """ Testing Real-Time Frames Mode """ assets_file_path = return_assets_path(False if format == "dash" else True) try: # Open stream options = {"THREAD_TIMEOUT": 300} stream = CamGear( source=return_testvideo_path(), colorspace=conversion, **options ).start() stream_params = { "-clear_prev_assets": True, "-input_framerate": "invalid", } if format == "hls": stream_params.update( { "-hls_base_url": return_assets_path( False if format == "dash" else True ) + os.sep } ) streamer = StreamGear(output=assets_file_path, format=format, **stream_params) while True: frame = stream.read() # check if frame is None if frame is None: break if conversion == "COLOR_BGR2RGBA": streamer.stream(frame, rgb_mode=True) else: streamer.stream(frame) stream.stop() streamer.terminate() asset_file = [ os.path.join(assets_file_path, f) for f in os.listdir(assets_file_path) if f.endswith(".mpd" if format == "dash" else ".m3u8") ] assert len(asset_file) == 1, "Failed to create asset file!" if format == "dash": assert check_valid_mpd(asset_file[0]), "Test Failed!" else: assert extract_meta_video(asset_file[0]), "Test Failed!" except Exception as e: if not isinstance(e, queue.Empty): pytest.fail(str(e))
def playback(level): """ Function to test VidGear playback capabilities """ stream = CamGear(source=level).start() fps = FPS().start() while True: frame = stream.read() if frame is None: break fps.update() stream.stop() fps.stop() print("[LOG] total elasped time: {:.2f}".format(fps.total_time_elapsed())) print("[LOG] approx. FPS: {:.2f}".format(fps.fps()))
def playback(level): """ tests CamGear API's playback capabilities """ options = {'THREADED_QUEUE_MODE': False} stream = CamGear(source=level, **options).start() fps = FPS().start() while True: frame = stream.read() if frame is None: break fps.update() stream.stop() fps.stop() logger.debug("total elasped time: {:.2f}".format(fps.total_time_elapsed())) logger.debug("approx. FPS: {:.2f}".format(fps.fps()))
def Videocapture_withVidGear(path): """ Function to benchmark VidGear multi-threaded video playback """ stream = CamGear(source=path).start() fps_Vid = FPS().start() while True: frame = stream.read() if frame is None: break fps_Vid.update() fps_Vid.stop() stream.stop() print("VidGear") print("[LOG] total elasped time: {:.2f}".format( fps_Vid.total_time_elapsed())) print("[LOG] approx. FPS: {:.2f}".format(fps_Vid.fps()))
def crop(camera_id, filename, hrnet_m, hrnet_c, hrnet_j, hrnet_weights, hrnet_joints_set, image_resolution, single_person, use_tiny_yolo, disable_tracking, max_batch_size, disable_vidgear, save_video, video_format, video_framerate, device): video_writer = None if filename is not None: rotation_code = check_video_rotation(filename) video = cv2.VideoCapture(filename) assert video.isOpened() nof_frames = video.get(cv2.CAP_PROP_FRAME_COUNT) else: rotation_code = None if disable_vidgear: video = cv2.VideoCapture(camera_id) assert video.isOpened() else: video = CamGear(camera_id).start() while True: t = time.time() if filename is not None or disable_vidgear: ret, frame = video.read() if ret: #Code for bounding box and cropping of the video bbox, label, conf = cv.detect_common_objects(frame) frame_bounding = draw_bbox(frame, bbox, label, conf) #bb.add(image, left, top, right, bottom, label, color) if save_video: if video_writer is None: fourcc = cv2.VideoWriter_fourcc( *video_format) # video format video_writer = cv2.VideoWriter( 'output_bounding.avi', fourcc, video_framerate, (frame.shape[1], frame.shape[0])) video_writer.write(frame_bounding) if not ret: filename = 'output_bounding.avi' break if rotation_code is not None: frame = cv2.rotate(frame, rotation_code) else: frame = video.read() if frame is None: break
def test_threaded_queue_mode(source, options): """ Test for the Thread Queue Mode in CamGear API """ try: if platform.system() == "Linux": stream_camgear = CamGear( source=source, backend=cv2.CAP_FFMPEG, logging=True, **options ).start() else: stream_camgear = CamGear(source=source, logging=True, **options).start() camgear_frames_num = 0 while True: frame = stream_camgear.read() if frame is None: logger.debug("VidGear Total frames: {}".format(camgear_frames_num)) break time.sleep(0.2) # dummy computational task camgear_frames_num += 1 stream_camgear.stop() actual_frame_num = return_total_frame_count() if "THREADED_QUEUE_MODE" in options and not options["THREADED_QUEUE_MODE"]: # emulate frame skipping assert camgear_frames_num < actual_frame_num else: assert camgear_frames_num == actual_frame_num except Exception as e: if isinstance(e, RuntimeError) and source == "im_not_a_source.mp4": pass else: pytest.fail(str(e))
def Videocapture_withVidGear(path): """ Function to benchmark VidGear multi-threaded video playback """ options = {'THREADED_QUEUE_MODE': False} stream = CamGear(source=path, **options).start() fps_Vid = FPS().start() while True: frame = stream.read() if frame is None: break fps_Vid.update() fps_Vid.stop() stream.stop() logger.debug("VidGear") logger.debug("total elasped time: {:.2f}".format( fps_Vid.total_time_elapsed())) logger.debug("approx. FPS: {:.2f}".format(fps_Vid.fps()))
def detectCarsFromVideo(): url = 'https://www.youtube.com/watch?v=Y1jTEyb3wiI' #https://www.youtube.com/watch?v=71zeC7LYqLE' # stream = CamGear(source=url, y_tube = True, logging=True).start() # YouTube Video URL as input stream = CamGear(source=url, stream_mode=True, logging=True).start() # YouTube Video URL as input while (True): frame = stream.read() controlkey = cv2.waitKey(1) if frame is not None: cars_frame = getCarsFromFrame(frame) cv2.imshow('frame', cars_frame) else: break if controlkey == ord('q'): break vcap.release() cv2.destroyAllWindows()
def test_network_playback(): """ Testing Direct Network Video Playback capabilities of VidGear(with rtsp streaming) """ Url = 'rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov' try: output_stream = CamGear(source = Url).start() i = 0 Output_data = [] while i<10: frame = output_stream.read() if frame is None: break Output_data.append(frame) i+=1 output_stream.stop() print('Output data shape:', np.array(Output_data).shape) except Exception as e: pytest.fail(str(e))
def get_keypoint(camera_id = 0, filename = None, hrnet_c = 48, hrnet_j = 17, hrnet_weights = "./weights/pose_hrnet_w48_384x288.pth", hrnet_joints_set = "coco", image_resolution = '(384, 288)', single_person = True, max_batch_size = 16, disable_vidgear = False, device = None): if torch.cuda.is_available() and True: torch.backends.cudnn.deterministic = True device = torch.device('cuda:0') else: device = torch.device('cpu') image_resolution = ast.literal_eval(image_resolution) has_display = 'DISPLAY' in os.environ.keys() or sys.platform == 'win32' if filename is not None: #video = cv2.VideoCapture(filename) image = cv2.imread(filename, cv2.IMREAD_COLOR) #assert video.isOpened() else: if disable_vidgear: video = cv2.VideoCapture(camera_id) assert video.isOpened() else: video = CamGear(camera_id).start() model = SimpleHRNet( hrnet_c, hrnet_j, hrnet_weights, resolution=image_resolution, multiperson=not single_person, max_batch_size=max_batch_size, device=device ) pts = model.predict(image) resolution = image.shape x_len = resolution[0] y_len = resolution[1] vector = [] keypoints = pts[0] for pt in keypoints: pt = list(pt) temp = [] temp.append((pt[0]/x_len)) temp.append((pt[1]/y_len)) vector.extend(temp) for i, pt in enumerate(pts): frame = draw_points_and_skeleton(image, pt, joints_dict()[hrnet_joints_set]['skeleton'], person_index=i, points_color_palette='gist_rainbow', skeleton_color_palette='jet', points_palette_samples=10) if has_display: output_name = filename.split("\\") output_name = output_name[-2] + "_" + output_name[-1] cv2.imwrite('tested2\\'+output_name+'.png', frame) cv2.imwrite("keypoints_"+filename+".png", frame) cv2.imshow('frame.png', frame) k = cv2.waitKey(1) return vector
def test_network_playback(): """ Testing Direct Network Video Playback capabilities of VidGear(with rtsp streaming) """ Publictest_rstp_urls = [ "rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov", "rtsp://freja.hiof.no:1935/rtplive/definst/hessdalen03.stream", "rtsp://170.93.143.139/rtplive/470011e600ef003a004ee33696235daa", "rtmp://semerkandglb.mediatriple.net:1935/semerkandliveedge/semerkand2", ] index = 0 while index < len(Publictest_rstp_urls): try: output_stream = CamGear( source=Publictest_rstp_urls[index], logging=True ).start() i = 0 Output_data = [] while i < 10: frame = output_stream.read() if frame is None: break Output_data.append(frame) i += 1 output_stream.stop() logger.debug("Output data shape:", np.array(Output_data).shape) if Output_data[-1].shape[:2] > (50, 50): break except Exception as e: if isinstance(e, RuntimeError): logger.debug( "`{}` URL is not working".format(Publictest_rstp_urls[index]) ) index += 1 continue else: pytest.fail(str(e)) if index == len(Publictest_rstp_urls): pytest.fail("Test failed to play any URL!")
def get_frames1(self): # import required libraries from vidgear.gears import CamGear import cv2 # Add YouTube Video URL as input source (for e.g https://youtu.be/bvetuLwJIkA) # and enable Stream Mode (`stream_mode = True`) stream = CamGear(source=self.__url, stream_mode=True, logging=True).start() skip = 0 # loop over while True: # read frames from stream frame = stream.read() # check for frame if Nonetype if frame is None: break if frame is None: break if self._max_dim is not None: frame = resize_if_larger(frame, self._max_dim) if skip > 0: skip = skip - 1 else: yield frame k = cv2.waitKey(1) & 0xFF if k == ord("q"): break elif k == ord("s"): skip = 10 # close output window cv2.destroyAllWindows() # safely close video stream stream.stop()
def test_threaded_queue_mode(): """ Test for New Thread Queue Mode in CamGear Class """ actual_frame_num = return_total_frame_count() stream_camgear = CamGear(source=return_testvideo_path(), logging=True).start() #start stream on CamGear camgear_frames_num = 0 while True: frame = stream_camgear.read() if frame is None: print(camgear_frames_num) break time.sleep(0.2) #dummy computational task camgear_frames_num += 1 stream_camgear.stop() assert camgear_frames_num == actual_frame_num
class CamSource(): def init_class(self, cls_args): #self.dev = cv2.VideoCapture(2) dev_options = { 'CAP_PROP_FRAME_WIDTH': 1920, 'CAP_PROP_FRAME_HEIGHT': 1080, 'CAP_PROP_FPS': 30 } self.dev = CamGear(source=2, **dev_options) self.dev.start() #width = 1920 #height = 1080 #self.dev.set(cv2.CAP_PROP_FRAME_WIDTH, width) #self.dev.set(cv2.CAP_PROP_FRAME_HEIGHT, height) #self.data = b'x' * 1920 * 1080 * 3 def run(self, args): time.sleep(0.032) self.frame = self.dev.read() return [self.frame, time.time()]
def scrape_live(url, duration=60, show=False): print('Scraping') # create pafy object. Just used to extract name of YouTube video pafy_vid = pafy.new(url) title = folder title += pafy_vid.title # cleanup title so nicer for video_naming title = title.replace(' ', '-') title = title.replace('.', '') # get time now = datetime.now() # add time stamp title += now.strftime("-%m_%d_%Y-%H_%M_%S") file_name = title + '.' + file_type stream = CamGear(source=url, y_tube=True, time_delay=1, logging=True).start() fourcc = cv2.VideoWriter_fourcc(*codec) out = cv2.VideoWriter(file_name, fourcc, fps, (1920, 1080)) start = time.time() frames = 0 while time.time() - start < duration: frame = stream.read() frames += 1 out.write(frame) if frame is None: break if show: cv2.imshow('Output Frame', frame) key = cv2.waitKey(1) & 0xFF if key == ord('q'): break if show: cv2.destroyAllWindows() stream.stop() out.release() print('Done!')
def test_rtf_livestream(): """ Testing Real-Time Frames Mode with livestream. """ mpd_file_path = return_mpd_path() try: # Open stream stream = CamGear(source=return_testvideo_path()).start() stream_params = { "-livestream": True, } streamer = StreamGear(output=mpd_file_path, **stream_params) while True: frame = stream.read() # check if frame is None if frame is None: break streamer.stream(frame) stream.stop() streamer.terminate() except Exception as e: pytest.fail(str(e))
def test_write(conversion): """ Testing WriteGear Compression-Mode(FFmpeg) Writer capabilties in different colorspace with CamGearAPI. """ # Open stream stream = CamGear( source=return_testvideo_path(), colorspace=conversion, logging=True ).start() writer = WriteGear( output_filename="Output_tw.mp4", custom_ffmpeg=return_static_ffmpeg() ) # Define writer while True: frame = stream.read() # check if frame is None if frame is None: # if True break the infinite loop break if conversion == "COLOR_BGR2RGBA": writer.write(frame, rgb_mode=True) elif conversion == "COLOR_BGR2INVALID": # test invalid color_space value stream.color_space = "wrong_colorspace" conversion = "COLOR_BGR2INVALID2" writer.write(frame) elif conversion == "COLOR_BGR2INVALID2": # test wrong color_space value stream.color_space = 1546755 conversion = "" writer.write(frame) else: writer.write(frame) stream.stop() writer.close() basepath, _ = os.path.split(return_static_ffmpeg()) ffprobe_path = os.path.join( basepath, "ffprobe.exe" if os.name == "nt" else "ffprobe" ) result = check_output( [ ffprobe_path, "-v", "error", "-count_frames", "-i", os.path.abspath("Output_tw.mp4"), ] ) if result: if not isinstance(result, string_types): result = result.decode() logger.debug("Result: {}".format(result)) for i in ["Error", "Invalid", "error", "invalid"]: assert not (i in result) os.remove(os.path.abspath("Output_tw.mp4"))
def camera_gear(id): cam = cctv_cam(id) print(cam) options = { "CAP_PROP_FRAME_WIDTH": 320, "CAP_PROP_FRAME_HEIGHT": 240, "CAP_PROP_FPS": 70 } stream = CamGear(source=cam, **options).start() while True: frame = stream.read() frame = imutils.resize(frame, width=450) if frame is None: break frame = cv2.imencode('.png', frame)[1].tobytes() yield (b'--frame\r\n' b'Content-Type: image/png\r\n\r\n' + frame + b'\r\n') stream.stop()
def main(camera_id, filename, hrnet_c, hrnet_j, hrnet_weights, hrnet_joints_set, image_resolution, disable_tracking, max_nof_people, max_batch_size, disable_vidgear, save_video, video_format, video_framerate, device): if device is not None: device = torch.device(device) else: if torch.cuda.is_available(): torch.backends.cudnn.deterministic = True device = torch.device('cuda') else: device = torch.device('cpu') # print(device) has_display = 'DISPLAY' in os.environ.keys() or sys.platform == 'win32' video_writer = None if filename is not None: rotation_code = check_video_rotation(filename) video = cv2.VideoCapture(filename) assert video.isOpened() else: rotation_code = None if disable_vidgear: video = cv2.VideoCapture(camera_id) assert video.isOpened() else: video = CamGear(camera_id).start() model = SimpleHigherHRNet(hrnet_c, hrnet_j, hrnet_weights, resolution=image_resolution, return_bounding_boxes=not disable_tracking, max_nof_people=max_nof_people, max_batch_size=max_batch_size, device=device) if not disable_tracking: prev_boxes = None prev_pts = None prev_person_ids = None next_person_id = 0 while True: t = time.time() if filename is not None or disable_vidgear: ret, frame = video.read() if not ret: break if rotation_code is not None: frame = cv2.rotate(frame, rotation_code) else: frame = video.read() if frame is None: break pts = model.predict(frame) if not disable_tracking: boxes, pts = pts if not disable_tracking: if len(pts) > 0: if prev_pts is None and prev_person_ids is None: person_ids = np.arange(next_person_id, len(pts) + next_person_id, dtype=np.int32) next_person_id = len(pts) + 1 else: boxes, pts, person_ids = find_person_id_associations( boxes=boxes, pts=pts, prev_boxes=prev_boxes, prev_pts=prev_pts, prev_person_ids=prev_person_ids, next_person_id=next_person_id, pose_alpha=0.2, similarity_threshold=0.4, smoothing_alpha=0.1, ) next_person_id = max(next_person_id, np.max(person_ids) + 1) else: person_ids = np.array((), dtype=np.int32) prev_boxes = boxes.copy() prev_pts = pts.copy() prev_person_ids = person_ids else: person_ids = np.arange(len(pts), dtype=np.int32) for i, (pt, pid) in enumerate(zip(pts, person_ids)): frame = draw_points_and_skeleton( frame, pt, joints_dict()[hrnet_joints_set]['skeleton'], person_index=pid, points_color_palette='gist_rainbow', skeleton_color_palette='jet', points_palette_samples=10) fps = 1. / (time.time() - t) print('\rframerate: %f fps / detected people: %d' % (fps, len(pts)), end='') if has_display: cv2.imshow('frame.png', frame) k = cv2.waitKey(1) if k == 27: # Esc button if disable_vidgear: video.release() else: video.stop() break else: cv2.imwrite('frame.png', frame) if save_video: if video_writer is None: fourcc = cv2.VideoWriter_fourcc(*video_format) # video format video_writer = cv2.VideoWriter( 'output.avi', fourcc, video_framerate, (frame.shape[1], frame.shape[0])) video_writer.write(frame) if save_video: video_writer.release()