From c6889d4917876856057e686dfa97633c223fafec Mon Sep 17 00:00:00 2001
From: eric <xiaoshuang.eric@gmail.com>
Date: Sun, 1 Mar 2026 09:26:14 -0600
Subject: [PATCH] 's'

---
 douyin_youtube_ffplay.py | 68 ++++++++++++++++++++--------------------
 1 file changed, 34 insertions(+), 34 deletions(-)

diff --git a/douyin_youtube_ffplay.py b/douyin_youtube_ffplay.py
index 9dcaf25..787605e 100644
--- a/douyin_youtube_ffplay.py
+++ b/douyin_youtube_ffplay.py
@@ -365,52 +365,53 @@ def start_douyin_youtube_ffplay(
     "ffmpeg", "-y", "-loglevel", "info", "-nostdin",
     "-stats", "-stats_period", "1",
 
-    # 网络 & 重连（防抖音源不稳）
-    "-rw_timeout", "60000000",                  # 更长超时，防网络抖动
+    # 网络 & 重连（加强防抖音源不稳/延迟）
+    "-rw_timeout", "60000000",
     "-reconnect", "1", "-reconnect_at_eof", "1", "-reconnect_streamed", "1",
-    "-reconnect_delay_max", "10",               # 渐进重试
-    "-http_persistent", "1",                     # 持久 HTTP 连接（对 HLS/HTTP-FLV 好）
+    "-reconnect_delay_max", "10",
+    "-http_persistent", "1",
+    "-http_seekable", "0",  # 新加：防 HLS/FLV 源 seek 问题
 
-    # ─────────────── 防超速 & 实时核心 ───────────────
-    "-re",                                      # 实时读取输入（必须在 -i 前）
-    "-use_wallclock_as_timestamps", "1",        # 系统时钟时间戳，防源乱戳
-    "-thread_queue_size", "64",                 # 极致缩小预读（从 4096 → 64，防预取太多）
-    "-probesize", "32K", "-analyzeduration", "500000",  # 小探测，减少初始缓冲
-    "-fflags", "+genpts+discardcorrupt",        # 只留必要，删 nobuffer/flush_packets
+    # 防超速 & 实时核心（已优化）
+    "-re",
+    "-use_wallclock_as_timestamps", "1",
+    "-thread_queue_size", "64",
+    "-probesize", "32K", "-analyzeduration", "500000",
+    "-fflags", "+genpts+discardcorrupt",
     "-flags", "low_delay",
-    "-max_delay", "300000",                     # 0.3秒，平衡延迟与稳定
-    # ───────────────────────────────────────────────
+    "-max_delay", "300000",
 
     "-headers", douyin_headers,
     "-i", real_url,
 
-    # 视频处理：纵屏 1080x1920，黑边填充（YouTube 支持 portrait，但 ingestion 仍是 1080x1920）
+    # 视频处理（纵屏黑边）
     "-vf", "fps=25,scale=1080:1920:force_original_aspect_ratio=decrease:flags=bicubic,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black",
 
     "-c:v", "libx264",
-    "-preset", "medium",                        # 质量 & 速度平衡；若 CPU 强可 slow，进一步吃速
-    "-tune", "zerolatency",                     # 低延迟调优
+    "-preset", "medium",
+    "-tune", "zerolatency",
     "-profile:v", "high",
-    "-level", "4.2",                            # 支持 1080p 高帧/高码率
+    "-level", "4.2",
 
-    # 码率：贴近 YouTube 1080p@30fps 推荐（你的 25fps 接近），CBR 风格
-    "-b:v", "4500k",                            # 目标码率（保守，防掉线）
-    "-maxrate", "5500k",                        # 峰值 ≤ 推荐上限
-    "-bufsize", "11000k",                       # 2x maxrate，CBR 更稳（YouTube 偏好）
+    # 码率（YouTube 1080p@25-30fps 推荐：CBR 风格，4500-6000k 安全）
+    "-b:v", "4500k",
+    "-maxrate", "5500k",
+    "-bufsize", "11000k",
+
+    # ─── 关键修复：替换 -vsync 为 -fps_mode ───
+    "-fps_mode", "cfr",          # Constant Frame Rate：强制恒定帧率，YouTube 最佳
+    # "-vsync", "cfr",           # 删除或注释掉，避免 deprecated 警告
+    # ─────────────────────────────────────────────
 
-    "-vsync", "cfr",                            # 强制恒帧
     "-r", "25",
-    "-g", "50", "-keyint_min", "25",            # 关键帧 2 秒（50/25=2s），符合 YouTube 推荐 ≤4s
-    "-bf", "0",                                 # 无 B 帧（zerolatency 常见，减少延迟）
-    "-sc_threshold", "0",                       # 禁用场景切检测
+    "-g", "50", "-keyint_min", "25",   # 2秒关键帧，YouTube 推荐 ≤4s
+    "-bf", "0",
+    "-sc_threshold", "0",
     "-x264-params", "force-cfr=1:scenecut=0:open_gop=0:sync-lookahead=0:rc-lookahead=0",
-    "-pix_fmt", "yuv420p",                      # YouTube 标准
+    "-pix_fmt", "yuv420p",
 
-    # 音频：你的防ID链 + YouTube 推荐 AAC 128-192k
-    "-c:a", "aac",
-    "-b:a", "192k",                             # 高质量立体声（YouTube 支持）
-    "-ar", "48000",
-    "-ac", "2",
+    # 音频（你的防ID链保持）
+    "-c:a", "aac", "-b:a", "192k", "-ar", "48000", "-ac", "2",
     "-af", "arnndn=m=./arnndn-models/cb.rnnn:mix=0.85,"
            "afftdn=nf=-24:tn=1,"
            "highpass=f=100,lowpass=f=5200,"
@@ -419,16 +420,15 @@ def start_douyin_youtube_ffplay(
            "equalizer=f=750:width_type=o:width=1.6:g=-7,"
            "equalizer=f=2800:width_type=o:width=1.2:g=-5,"
            "acompressor=threshold=-26dB:ratio=5.5:attack=7:release=90:makeup=6,"
-           "asetrate=48000*1.05,atempo=1.0,aresample=48000,"  # 5% 音高移位
+           "asetrate=48000*1.05,atempo=1.0,aresample=48000,"
            "afreqshift=shift=22,"
            "aphaser=type=t:decay=0.35:delay=3.0:speed=0.5,"
            "volume=1.08,"
-           "aresample=async=1:first_pts=0:min_hard_comp=0.100000:first_pts=0",  # 强制 AV 同步
+           "aresample=async=1:first_pts=0:min_hard_comp=0.100000:first_pts=0",
 
-    # 输出 FLV 到 YouTube（RTMPS 推荐，但 ffmpeg 默认支持）
     "-flvflags", "no_duration_filesize",
     "-f", "flv",
-    youtube_rtmp   # 确保是 rtmps://a.rtmp.youtube.com/live2/xxx 如果可用
+    youtube_rtmp
     ]