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eric
2025-09-13 14:44:56 +08:00
parent 4a89940e5e
commit 6223b39b9e
2 changed files with 224 additions and 10 deletions
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@@ -0,0 +1,208 @@
import os
import subprocess
import threading
import asyncio
import uuid
import queue
import time
import signal
import sys
import shutil
import spider
import stream
class AdaptiveHLS2YouTube:
def __init__(self, max_bitrate=5000, min_bitrate=3000, audio_bitrate=192,
delay_sec=40, segment_time=2, check_interval=5):
self.processes = {}
self.stop_flag = threading.Event()
self.delay_sec = delay_sec
self.segment_time = segment_time
self.check_interval = check_interval
self.buffer_queue = queue.Queue(maxsize=500) # 增大队列，防止阻塞
self.max_bitrate = max_bitrate
self.min_bitrate = min_bitrate
self.audio_bitrate = audio_bitrate
self.current_bitrate = max_bitrate
def start_stream(self, real_url, youtube_key, room_name=None):
room_name = room_name or f"抖音_{str(uuid.uuid4())[:8]}"
print(f"[{room_name}] 启动推流，目标 YouTube Key: {youtube_key}")
threading.Thread(target=self._pull_thread, args=(real_url,), daemon=True).start()
threading.Thread(target=self._push_thread, args=(youtube_key, room_name), daemon=True).start()
threading.Thread(target=self._abr_thread, daemon=True).start()
def _pull_thread(self, real_url):
cmd = [
"ffmpeg",
"-rw_timeout", "50000000",
"-user_agent", "Mozilla/5.0",
"-headers", "Referer: https://www.douyin.com/",
"-fflags", "+nobuffer+genpts",
"-flags", "low_delay",
"-reconnect", "1",
"-reconnect_at_eof", "1",
"-reconnect_streamed", "1",
"-reconnect_delay_max", "10",
"-i", real_url,
"-c", "copy",
"-f", "mpegts",
"-"
]
try:
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL)
print("[拉流] FFmpeg 启动成功")
while not self.stop_flag.is_set():
data = proc.stdout.read(188*2000) # 大块读取，减少空跑
if not data:
time.sleep(0.05)
continue
try:
self.buffer_queue.put_nowait(data) # 非阻塞写入队列
except queue.Full:
continue # 队列满直接丢掉，保证不卡
except Exception as e:
print(f"拉流异常: {e}")
def _push_thread(self, youtube_key, room_name):
min_buffer = max(1, self.delay_sec // self.segment_time)
while not self.stop_flag.is_set():
if self.buffer_queue.qsize() < min_buffer:
time.sleep(0.05)
continue
cmd = [
"ffmpeg",
"-re",
"-f", "mpegts",
"-i", "-",
"-c:v", "libx264",
"-preset", "veryfast",
"-tune", "zerolatency",
"-b:v", f"{self.current_bitrate}k",
"-maxrate", f"{self.current_bitrate}k",
"-bufsize", f"{self.current_bitrate*4}k",
"-r", "30",
"-g", "60",
"-s", "720x1280",
"-c:a", "aac",
"-b:a", f"{self.audio_bitrate}k",
"-ar", "44100",
"-ac", "2",
"-f", "flv",
"-rtmp_live", "live",
f"rtmp://a.rtmp.youtube.com/live2/{youtube_key}"
]
try:
proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, stderr=subprocess.PIPE)
self.processes[room_name] = proc
def read_stderr():
while proc.poll() is None:
line = proc.stderr.readline()
if line:
print(f"[{room_name} FFmpeg]: {line.decode(errors='ignore').strip()}")
threading.Thread(target=read_stderr, daemon=True).start()
while not self.stop_flag.is_set():
try:
data = self.buffer_queue.get(timeout=0.5)
try:
proc.stdin.write(data)
proc.stdin.flush()
except (BrokenPipeError, OSError):
break # 管道断开，退出推流循环
except queue.Empty:
continue
except Exception as e:
print(f"[{room_name}] 推流异常: {e}")
def _abr_thread(self):
while not self.stop_flag.is_set():
queue_len = self.buffer_queue.qsize()
if queue_len > 100:
new_bitrate = max(self.min_bitrate, self.current_bitrate - 300)
elif queue_len < 30:
new_bitrate = min(self.max_bitrate, self.current_bitrate + 300)
else:
new_bitrate = self.current_bitrate
if new_bitrate != self.current_bitrate:
print(f"[ABR] 调整码率: {self.current_bitrate}k -> {new_bitrate}k")
self.current_bitrate = new_bitrate
time.sleep(max(self.check_interval, 10)) # 降低 ABR 更新频率，避免频繁干扰
def stop_all(self):
print("停止所有推流...")
self.stop_flag.set()
for proc in self.processes.values():
if proc.poll() is None:
proc.terminate()
# ----------------- 抖音解析逻辑 -----------------
async def get_douyin_real_url(record_url, record_quality="原画"):
if 'v.douyin.com' not in record_url and '/user/' not in record_url:
json_data = await spider.get_douyin_stream_data(url=record_url)
else:
json_data = await spider.get_douyin_app_stream_data(url=record_url)
port_info = await stream.get_douyin_stream_url(json_data, record_quality, None)
return port_info.get("record_url")
# ----------------- 启动推流 -----------------
def start_douyin_to_youtube(record_url, youtube_key, room_name=None, delay_sec=40):
try:
real_url = asyncio.run(get_douyin_real_url(record_url))
except Exception as e:
print(f"获取真实直播流失败: {e}")
return
if not real_url:
print("获取真实直播流失败")
return
print(f"实际直播流: {real_url}")
hls2yt = AdaptiveHLS2YouTube(delay_sec=delay_sec)
hls2yt.start_stream(real_url, youtube_key, room_name)
return hls2yt
# ----------------- 控制台监控面板 -----------------
def monitor_panel_thread(hls_instance, interval=2, max_width=50):
term_width, _ = shutil.get_terminal_size()
bar_width = min(max_width, term_width - 30)
while not hls_instance.stop_flag.is_set():
queue_len = hls_instance.buffer_queue.qsize()
bitrate = hls_instance.current_bitrate
active_push = any(proc and proc.poll() is None for proc in hls_instance.processes.values())
queue_bar_len = min(bar_width, queue_len)
queue_bar = "#" * queue_bar_len + "-" * (bar_width - queue_bar_len)
print("\r", end="")
print(f"[监控] 队列: [{queue_bar}] {queue_len:4} | 码率: {bitrate:4}k | 推流活跃: {active_push}", end="")
time.sleep(interval)
# ----------------- 示例 -----------------
if __name__ == "__main__":
DOUYIN_URL = "https://live.douyin.com/125742860435"
YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z"
hls_instance = start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY, delay_sec=40)
if not hls_instance:
print("推流实例创建失败，程序退出")
sys.exit(1)
threading.Thread(target=monitor_panel_thread, args=(hls_instance,), daemon=True).start()
def signal_handler(sig, frame):
if hls_instance:
hls_instance.stop_all()
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
print("程序已启动，按 Ctrl+C 停止...")
while True:
time.sleep(60)

26
live.py
View File

@@ -19,7 +19,7 @@ class AdaptiveHLS2YouTube:
self.delay_sec = delay_sec
self.segment_time = segment_time
self.check_interval = check_interval
self.buffer_queue = queue.Queue()
self.buffer_queue = queue.Queue(maxsize=500) # 增大队列，防止阻塞
self.max_bitrate = max_bitrate
self.min_bitrate = min_bitrate
self.audio_bitrate = audio_bitrate
@@ -53,11 +53,14 @@ class AdaptiveHLS2YouTube:
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL)
print("[拉流] FFmpeg 启动成功")
while not self.stop_flag.is_set():
data = proc.stdout.read(188*500)
data = proc.stdout.read(188*2000) # 大块读取，减少空跑
if not data:
time.sleep(0.05)
continue
self.buffer_queue.put(data)
try:
self.buffer_queue.put_nowait(data) # 非阻塞写入队列
except queue.Full:
continue # 队列满直接丢掉，保证不卡
except Exception as e:
print(f"拉流异常: {e}")
@@ -81,7 +84,7 @@ class AdaptiveHLS2YouTube:
"-bufsize", f"{self.current_bitrate*4}k",
"-r", "30",
"-g", "60",
# 不固定分辨率，保持抖音原始分辨率
"-s", "720x1280",
"-c:a", "aac",
"-b:a", f"{self.audio_bitrate}k",
"-ar", "44100",
@@ -103,9 +106,12 @@ class AdaptiveHLS2YouTube:
while not self.stop_flag.is_set():
try:
data = self.buffer_queue.get(timeout=1)
proc.stdin.write(data)
proc.stdin.flush()
data = self.buffer_queue.get(timeout=0.5)
try:
proc.stdin.write(data)
proc.stdin.flush()
except (BrokenPipeError, OSError):
break # 管道断开，退出推流循环
except queue.Empty:
continue
except Exception as e:
@@ -123,7 +129,7 @@ class AdaptiveHLS2YouTube:
if new_bitrate != self.current_bitrate:
print(f"[ABR] 调整码率: {self.current_bitrate}k -> {new_bitrate}k")
self.current_bitrate = new_bitrate
time.sleep(self.check_interval)
time.sleep(max(self.check_interval, 10)) # 降低 ABR 更新频率，避免频繁干扰
def stop_all(self):
print("停止所有推流...")
@@ -177,9 +183,9 @@ def monitor_panel_thread(hls_instance, interval=2, max_width=50):
time.sleep(interval)
# ----------------- 主程序 -----------------
# ----------------- 示例 -----------------
if __name__ == "__main__":
DOUYIN_URL = "https://live.douyin.com/258299812685"
DOUYIN_URL = "https://live.douyin.com/125742860435"
YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z"
hls_instance = start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY, delay_sec=40)