cptlobster/video-streaming-poc
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interlace video output

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This commit is contained in:
Camryn Thomas
2025-01-31 20:01:50 -06:00
parent 107f5116d5
commit 50128ac4a6
3 changed files with 65 additions and 19 deletions
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37
client.py
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@ -2,7 +2,7 @@ import cv2
import socket
import numpy as np
from common import Packet
from common import StdPacket, InterlacedPacket
UDP_IP = "127.0.0.1"
UDP_PORT = 5005
@ -20,6 +20,31 @@ def send_packet(sock, packet):
sock = socket.socket(socket.AF_INET, # Internet
socket.SOCK_DGRAM) # UDP
def breakdown_image_norm(frame):
(cols, rows, colors) = frame.shape
# break the array down into 16x16 chunks, then transmit them as UDP packets
for i in range(0, cols, 16):
for j in range(0, rows, 16):
# print("Sending frame segment (%d, %d)", i, j)
pkt = StdPacket(j, i, frame[i:i + 16, j:j + 16])
send_packet(sock, pkt.to_bytestr())
def breakdown_image_interlaced(frame):
(cols, rows, colors) = frame.shape
# break the array into 16x32 chunks. we'll split those further into odd and even rows
# and send each as UDP packets. this should make packet loss less obvious
for i in range(0, cols, 32):
for j in range(0, rows, 16):
# print("Sending frame segment (%d, %d)", i, j)
pkt = InterlacedPacket(j, i, False, frame[i:i + 32:2, j:j + 16])
send_packet(sock, pkt.to_bytestr())
for i in range(0, cols, 32):
for j in range(0, rows, 16):
# print("Sending frame segment (%d, %d)", i, j)
pkt = InterlacedPacket(j, i, True, frame[i + 1:i + 32:2, j:j + 16])
send_packet(sock, pkt.to_bytestr())
while True:
# Capture frame-by-frame
ret, frame = cap.read()
@ -29,15 +54,7 @@ while True:
print("Can't receive frame (stream end?). Exiting ...")
break
(cols, rows, colors) = frame.shape
# break the array down into 16-bit chunks, then transmit them as UDP packets
for i in range(0, cols, 16):
for j in range(0, rows, 16):
print("Sending frame segment (%d, %d)", i, j)
pkt = Packet(j, i, frame[i:i+16, j:j+16])
send_packet(sock, pkt.to_bytestr())
breakdown_image_interlaced(frame)
# Release the capture and close all windows
cap.release()