下载地址:https://www.pan38.com/dow/share.php?code=JCnzE 提取密码:2871
重要说明:以上代码仅为演示流媒体技术原理,实际部署需要遵守平台规则。建议通过抖音官方开放平台获取合规的直播API进行开发。完整实现还需要考虑:1) 内容审核机制 2) 网络稳定性处理 3) 合规性检查等。
import cv2
import subprocess
import time
import numpy as np
from PIL import Image, ImageDraw, ImageFont
class VirtualStreamer:
def init(self, rtmp_url):
self.rtmp_url = rtmp_url
self.width = 720
self.height = 1280
self.fps = 30
self.font = ImageFont.truetype("simhei.ttf", 40)
def generate_frame(self, text):
img = Image.new('RGB', (self.width, self.height), (255, 255, 255))
draw = ImageDraw.Draw(img)
draw.text((50, 300), text, fill=(0, 0, 0), font=self.font)
return cv2.cvtColor(np.array(img), cv2.COLOR_RGB2BGR)
def start_stream(self):
command = [
'ffmpeg',
'-y',
'-f', 'rawvideo',
'-vcodec', 'rawvideo',
'-pix_fmt', 'bgr24',
'-s', f"{self.width}x{self.height}",
'-r', str(self.fps),
'-i', '-',
'-c:v', 'libx264',
'-pix_fmt', 'yuv420p',
'-preset', 'ultrafast',
'-f', 'flv',
self.rtmp_url
]
process = subprocess.Popen(command, stdin=subprocess.PIPE)
try:
count = 0
while True:
frame = self.generate_frame(f"虚拟直播测试 {count}")
process.stdin.write(frame.tobytes())
count += 1
time.sleep(1/self.fps)
except KeyboardInterrupt:
process.terminate()
if name == "main":
streamer = VirtualStreamer("rtmp://your-server-url/app/stream-key")
streamer.start_stream()
json
import random
import schedule
import time
class ContentScheduler:
def init(self):
self.content_pool = []
self.load_content()
def load_content(self):
with open('content.json', 'r', encoding='utf-8') as f:
self.content_pool = json.load(f)
def get_random_content(self):
return random.choice(self.content_pool)
def schedule_task(self):
schedule.every(30).minutes.do(
lambda: print(f"切换内容: {self.get_random_content()}")
)
while True:
schedule.run_pending()
time.sleep(1)
if name == "main":
scheduler = ContentScheduler()
scheduler.schedule_task()