179 lines
7.9 KiB
Python
179 lines
7.9 KiB
Python
import os
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os.environ["OMP_NUM_THREADS"] = str(1)
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import argparse
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import traceback
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import threading
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import queue
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import time
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from tracker import Tracker
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import multiprocessing
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import webcam
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import vts
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import preview
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parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument("-i", "--ip", help="Set IP address for sending tracking data", default="127.0.0.1")
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parser.add_argument("-p", "--port", type=int, help="Set port for sending tracking data", default=11573)
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parser.add_argument("-W", "--width", type=int, help="Set raw RGB width", default=640)
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parser.add_argument("-H", "--height", type=int, help="Set raw RGB height", default=480)
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parser.add_argument("-F", "--fps", type=int, help="Set camera frames per second", default=24)
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parser.add_argument("-c", "--capture", help="Set camera ID (0, 1...) or video file", default=0)
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parser.add_argument("-M", "--mirror-input", action="store_true", help="Process a mirror image of the input video")
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parser.add_argument("-t", "--threshold", type=float, help="Set minimum confidence threshold for face tracking", default=0.6)
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parser.add_argument("-d", "--detection-threshold", type=float, help="Set minimum confidence threshold for face detection", default=0.6)
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parser.add_argument("-s", "--silent", type=int, help="Set this to 1 to prevent text output on the console", default=0)
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parser.add_argument("--model", type=int, help="This can be used to select the tracking model. Higher numbers are models with better tracking quality, but slower speed, except for model 4, which is wink optimized.", default=3, choices=[0, 1, 2, 3, 4])
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parser.add_argument("--preview", type=int, help="Preview the frames sent to the tracker", default=0)
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parser.add_argument("--feature-type", type=int, help="Sets which version of feature extraction is used. 0 is my new version that works well for me and allows for some customization, 1 is EmilianaVT's version aka, normal OpenSeeFace operation", default=0, choices=[0, 1])
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parser.add_argument("--numpy-threads", type=int, help="Numer of threads Numpy can use, doesn't seem to effect much", default=1)
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parser.add_argument("-T","--threads", type=int, help="Numer of threads used for landmark detection. Default is 1 (~15ms per frame on my computer), 2 gets slightly faster frames (~10ms on my computer), more than 2 doesn't seem to help much", default=1)
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parser.add_argument("-v", "--visualize", type=int, help="Set this to 1 to visualize the tracking", default=0)
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parser.add_argument("--low-latency", type=int, help="Low latency mode. Lowers latency, at the cost of inconsistent timings", default = 0)
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parser.add_argument("--target-brightness", type=float, help="range 0.25-0.75, Target brightness of the brightness adjustment. Defaults to 0.55", default = 0.55)
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args = parser.parse_args()
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#processing args
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target_ip = args.ip
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target_port = args.port
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fps = args.fps
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height = args.height
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width = args.width
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previewFlag = (args.preview == 1)
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mirror_input = args.mirror_input
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featureType = args.feature_type
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visualizeFlag = (args.visualize == 1)
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lowLatency = (args.low_latency == 1)
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threads = args.threads
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targetBrightness = min(max(args.target_brightness, 0.25), 0.75)
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silent = (args.silent == 1)
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if lowLatency:
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target_duration = 0.75 / fps
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frameQueueSize = 1
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elif height > 480:
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target_duration = 1 / fps
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frameQueueSize = 2
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else:
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frameQueueSize = 1
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target_duration = 1 / fps
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frameQueue = queue.Queue(maxsize=frameQueueSize)
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faceQueue = queue.Queue(maxsize=1)
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packetQueue = queue.Queue()
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#I want to decouple the requests so they don't block anything else if they're slow
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VTS = vts.VTS(target_ip, target_port, silent, height, width, packetQueue)
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packetSenderThread = threading.Thread(target = VTS.packetSender, args = [],)
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packetSenderThread.daemon = True
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packetSenderThread.start()
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webcamThread = threading.Thread(target=webcam.startProcess,args = (frameQueue, faceQueue, fps, targetBrightness, width, height, mirror_input, ))
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webcamThread.daemon = True
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webcamThread.start()
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if previewFlag or visualizeFlag:
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previewFrameQueue = queue.Queue(maxsize=1)
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previewThread = threading.Thread(target=preview.startProcess, args = (previewFrameQueue, target_duration,))
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previewThread.daemon = True
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previewThread.start()
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frame_count = 0
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peak_frame_time=0.0
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total_active_time = 0.0
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total_run_time = 0.0
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frame_start = 0.0
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peak_time_between = 0.0
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peak_camera_latency = 0.0
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total_camera_latency = 0.0
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sleepTimer = 0.0
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failures = 0
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peakTotalLatency = 0.0
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totalTotalLatency = 0.0
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tracker = Tracker(width, height, featureType, threads, threshold=args.threshold, silent=silent, model_type=args.model, detection_threshold=args.detection_threshold)
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#don't start until the webcam is ready, then give it a little more time to fill it's buffer
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frameQueue.get()
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time.sleep(0.1)
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face = None
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totalFrameLatency = 0
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try:
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while True:
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#clearing these so there's no stale data to confuse the checks
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packet = None
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frame_start = time.perf_counter()
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frame_count += 1
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frame, camera_latency, totalFrameLatency = frameQueue.get()
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frame_get = time.perf_counter()
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#If I don't wait a few frames to start tracking I get wild peak frame times, like 500ms
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if frame_count > 5:
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peak_camera_latency = max(camera_latency, peak_camera_latency)
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total_camera_latency+= camera_latency
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if previewFlag:
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#there's no reason to ever wait on this process or give it much of a queue
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if previewFrameQueue.qsize() < 1:
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previewFrameQueue.put(frame)
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faceInfo, face = tracker.predict(frame)
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if faceInfo is not None:
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packet = VTS.preparePacket(faceInfo)
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if faceQueue.qsize() < 1:
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faceQueue.put(face)
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if visualizeFlag:
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preview.visualize(frame, faceInfo, previewFrameQueue, face_center, face_radius)
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frameTime = time.perf_counter() - frame_get
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total_active_time += frameTime
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peak_frame_time = max(peak_frame_time, frameTime)
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duration = time.perf_counter() - frame_start
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time.sleep(max(0, target_duration - duration))
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peak_time_between = max(peak_time_between, time.perf_counter() -frame_start)
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total_run_time += time.perf_counter() -frame_start
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#If we don't have something to send to Vtube Studio we don't
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if(packet is not None):
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packetQueue.put(packet)
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else:
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print("No data sent to VTS")
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if frame_count > 5:
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peakTotalLatency = max(peakTotalLatency, (time.perf_counter() - totalFrameLatency))
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totalTotalLatency += time.perf_counter() - totalFrameLatency
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except KeyboardInterrupt:
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if not silent:
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print("Quitting")
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#printing statistics on close
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#it makes identifying problems easier
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print(f"Peak latency: {(peakTotalLatency*1000):.3f}ms")
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print(f"Average latency: {(totalTotalLatency*1000/(frame_count-5)):.3f}ms")
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#480p generally results in camera latencies between 0.5ms and 2.0ms
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print(f"Peak camera latency: {(peak_camera_latency*1000):.3f}ms")
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print(f"Average camera latency: {(total_camera_latency*1000/(frame_count-5)):.3f}ms")
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#The longest time a full cycle of the main loop takes, including sleep
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#indicates issues when higher than average time between frames by a significant amount
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print(f"Peak time between frames: {(peak_time_between*1000):.3f}ms")
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#at 30fps this should be a hair above 33.333ms
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print(f"Average time between frames: {(total_run_time*1000/(frame_count)):.3f}ms")
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#These measure how long the main loop takes *not including sleep*
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#tends to be slightly longer than the average time given by the tracking status by 1ms to 2ms
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#because it includes detection frames and all the other minor operations that need to happen every frame
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print(f"Peak frame time: {(peak_frame_time*1000):.3f}ms")
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print(f"Average frame time: { ((total_active_time)*1000/(frame_count)):.3f}ms")
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print(f"Run time (seconds): {total_run_time:.2f} s\nFrames: {frame_count}")
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os._exit(0)
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