diff options
| -rw-r--r-- | decoder.py | 1 | ||||
| -rw-r--r-- | encoder.py | 126 |
2 files changed, 83 insertions, 44 deletions
@@ -29,6 +29,7 @@ while data is None: # ret, raw_frame = cap.read() # if not ret: # continue + # TODO: Try decoding saved videos raw_frame = cv2.cvtColor( cv2.imread("/home/a/Pictures/Camera/IMG_20240422_000849_027.jpg"), cv2.COLOR_BGR2RGB, @@ -1,5 +1,6 @@ import argparse import sys +import cv2 import numpy as np from creedsolo import RSCodec from PyQt6.QtWidgets import QApplication, QWidget, QLabel, QVBoxLayout @@ -9,14 +10,21 @@ from PIL import Image, ImageQt from raptorq import Encoder parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter) -parser.add_argument("file", help="output file for decoded data") +parser.add_argument("file", help="input file") parser.add_argument("--height", help="grid height", default=100, type=int) parser.add_argument("--width", help="grid width", default=100, type=int) parser.add_argument("--fps", help="framerate", default=30, type=int) parser.add_argument("--level", help="error correction level", default=0.1, type=float) +parser.add_argument("--video", help="output file for encoded video") +parser.add_argument("--scale", help="scale of new frames", default=2, type=int) args = parser.parse_args() +if args.video: + cap = cv2.VideoCapture(args.file) + args.height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT) / args.scale) + args.width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH) / args.scale) + # Make corners cheight = cwidth = max(args.height // 10, args.width // 10) wcorner = np.pad(np.full((cheight - 1, cwidth - 1), 0b11111111), ((0, 1), (0, 1))) @@ -38,7 +46,49 @@ packets = encoder.get_encoded_packets(int(len(data) / rs_size * args.level)) print("Data length:", len(data)) print("Packets:", len(packets)) -input("Seizure warning!") + +idx = 0 + + +def get_frame(): + global idx + frame_data = np.array(rsc.encode(packets[idx])) + # Pad frame to fit frame_size since raptorq might not add 4 bytes + frame_data = np.pad(frame_data, (0, frame_size - len(frame_data))) ^ frame_xor + idx = (idx + 1) % len(packets) + frame = np.concatenate( + ( + np.concatenate( + ( + wcorner, + frame_data[: cheight * midwidth].reshape((cheight, midwidth)), + rcorner, + ), + axis=1, + ), + frame_data[cheight * midwidth : frame_size - cheight * midwidth].reshape( + (args.height - 2 * cheight, args.width) + ), + np.concatenate( + ( + gcorner, + frame_data[frame_size - cheight * midwidth :].reshape( + (cheight, midwidth) + ), + bcorner, + ), + axis=1, + ), + ) + ) + return np.stack( + ( + (frame & 0b00000111) * 255 // 7, + (frame >> 3 & 0b00000111) * 255 // 7, + (frame >> 6 & 0b00000011) * 255 // 3, + ), + axis=-1, + ).astype(np.uint8) class EncoderWidget(QWidget): @@ -47,7 +97,6 @@ class EncoderWidget(QWidget): self.timer = QTimer(self) self.timer.timeout.connect(self.update) self.timer.start(1000 // args.fps) - self.idx = 0 self.label = QLabel(self) layout = QVBoxLayout(self) layout.addWidget(self.label) @@ -56,49 +105,38 @@ class EncoderWidget(QWidget): self.showFullScreen() def update(self): - frame_data = np.array(rsc.encode(packets[self.idx])) - # Pad frame to fit frame_size since raptorq might not add 4 bytes - frame_data = np.pad(frame_data, (0, frame_size - len(frame_data))) ^ frame_xor - self.idx = (self.idx + 1) % len(packets) - frame = np.concatenate( - ( - np.concatenate( - ( - wcorner, - frame_data[: cheight * midwidth].reshape((cheight, midwidth)), - rcorner, - ), - axis=1, - ), - frame_data[ - cheight * midwidth : frame_size - cheight * midwidth - ].reshape((args.height - 2 * cheight, args.width)), - np.concatenate( - ( - gcorner, - frame_data[frame_size - cheight * midwidth :].reshape( - (cheight, midwidth) - ), - bcorner, - ), - axis=1, - ), - ) - ) - color_frame = np.stack( - ( - (frame & 0b00000111) * 255 // 7, - (frame >> 3 & 0b00000111) * 255 // 7, - (frame >> 6 & 0b00000011) * 255 // 3, - ), - axis=-1, - ) - img = Image.fromarray(color_frame.astype(np.uint8)) + img = Image.fromarray(get_frame()) qt_img = ImageQt.ImageQt(img) pixmap = QPixmap.fromImage(qt_img).scaled(self.size()) self.label.setPixmap(pixmap) -app = QApplication([]) -widget = EncoderWidget() -sys.exit(app.exec()) +if args.video: + out = cv2.VideoWriter( + args.video, + cv2.VideoWriter_fourcc(*"mp4v"), + cap.get(cv2.CAP_PROP_FPS), + (args.scale * args.width, args.scale * args.height), + ) + while cap.isOpened(): + ret, frame = cap.read() + if not ret: + break + frame[: args.scale * cheight, : args.scale * cwidth] = 255 + frame[: args.scale * cheight, args.scale * (args.width - cwidth) :] = 255 + frame[args.scale * (args.height - cheight) :, : args.scale * cwidth] = 255 + frame[ + args.scale * (args.height - cheight) :, args.scale * (args.width - cwidth) : + ] = 255 + out.write( + ( + frame.astype(np.int64) + * np.repeat(np.repeat(get_frame(), args.scale, 0), args.scale, 1) + / 255 + ).astype(np.uint8) + ) +else: + input("Seizure warning!") + app = QApplication([]) + widget = EncoderWidget() + sys.exit(app.exec()) |