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douyin_youtube_ffplay.py

@@ -304,69 +304,67 @@ def start_douyin_youtube_ffplay(
     # "-f", "flv", youtube_rtmp
     # ]
 
-# 1080p 工业优化版（CPU 低负载 + 防ContentID + 稳定25fps）
+
+# 1080p - 极致优化版本（高质量 + YouTube直播推荐友好 + 强防Content ID）
+# 视频：比特率拉高到YouTube 1080p直播推荐上限附近，preset faster 平衡质量与CPU
+# 音频：采样率统一48000Hz，音高抬升5%，频率偏移加大，EQ更针对性衰减背景音乐频段，增加轻微相位/噪门处理
+# 整体：更稳定的推流参数，适合长时间直播
+
     ffmpeg_command = [
-    "ffmpeg", "-y", "-loglevel", "info", "-nostdin", "-re",
-    "-stats", "-stats_period", "1",
+        "ffmpeg", "-y", "-loglevel", "info", "-nostdin", "-re",
+        "-stats", "-stats_period", "1",
+        "-rw_timeout", "30000000",
+        "-reconnect", "1", "-reconnect_at_eof", "1", "-reconnect_streamed", "1",
+        "-reconnect_delay_max", "5",
+        "-fflags", "+genpts+discardcorrupt+nobuffer+flush_packets",
+        "-flags", "low_delay",
+        "-err_detect", "ignore_err",
+        "-max_delay", "50000",
+        "-thread_queue_size", "4096",
 
-    # 网络稳定性
-    "-rw_timeout", "30000000",
-    "-reconnect", "1", "-reconnect_at_eof", "1",
-    "-reconnect_streamed", "1",
-    "-reconnect_delay_max", "5",
+        "-headers", douyin_headers,
+        "-i", real_url,
 
-    # 低延迟
-    "-fflags", "+genpts+discardcorrupt+nobuffer+flush_packets",
-    "-flags", "low_delay",
-    "-err_detect", "ignore_err",
-    "-max_delay", "80000",
-    "-thread_queue_size", "2048",
+        # 视频处理：1080p 纵屏优化
+        "-vf",
+        "fps=25,scale=1080:1920:force_original_aspect_ratio=decrease:flags=bicubic,"
+        "pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black",
 
-    "-headers", douyin_headers,
-    "-i", real_url,
+        "-c:v", "libx264",
+        "-preset", "faster",
+        "-tune", "zerolatency",
+        "-profile:v", "high",
+        "-level", "4.2",                    # 适配1080p@25fps
+        "-b:v", "8500k", "-maxrate", "10000k", "-bufsize", "20000k",
+        "-vsync", "cfr",
+        "-g", "50", "-keyint_min", "50",
+        "-r", "25",
+        "-bf", "0",
+        "-sc_threshold", "0",
+        "-x264-params", "force-cfr=1:scenecut=0:open_gop=0:sync-lookahead=0:rc-lookahead=0",
+        "-pix_fmt", "yuv420p",
 
-    # ================== 视频处理 ==================
-    # bilinear 降低 CPU + 保持竖屏
-    "-vf", "fps=25,scale=1080:1920:force_original_aspect_ratio=decrease:flags=bilinear,"
-           "pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black",
+        # 音频处理 - 防Content ID 强化版
+        "-c:a", "aac", "-b:a", "192k", "-ar", "48000", "-ac", "2",
+        "-af",
+        "afftdn=nf=-24:tn=1,"                              # 中等强度降噪，保留人声
+        "highpass=f=100,lowpass=f=5200,"                   # 切除低频鼓点和高频镲片/嘶声
+        "equalizer=f=180:width_type=o:width=2.2:g=-12,"    # 强衰减低频背景音乐基础层
+        "equalizer=f=350:width_type=o:width=1.8:g=-9,"     # 衰减低中频（常见音乐主旋律区）
+        "equalizer=f=750:width_type=o:width=1.6:g=-7,"     # 中频衰减，进一步破坏音乐结构
+        "equalizer=f=2800:width_type=o:width=1.2:g=-5,"    # 高中频轻微衰减，保持人声清晰
+        "acompressor=threshold=-26dB:ratio=5.5:attack=7:release=90:makeup=6,"  # 强压缩改变动态特征
+        "asetrate=48000*1.05,atempo=1.0,aresample=48000,"  # 音高+5%（不改变速度）
+        "afreqshift=shift=22,"                             # 频率整体偏移，破坏指纹匹配
+        "aphaser=type=t:decay=0.35:feedback=0.4,"          # 轻微相位扰动，进一步防检测
+        "anlmdn=s=0.00012:p=0.0008:r=0.002,"               # 轻量非线性降噪门，清理残余背景
+        "volume=1.08,"                                     # 补偿音量损失
+        "aresample=async=1:first_pts=0:min_hard_comp=0.100000:first_pts=0",  # 强同步
 
-    # 编码优化
-    "-c:v", "libx264",
-    "-preset", "ultrafast",                # CPU 低负载
-    "-tune", "zerolatency",
-    "-profile:v", "high",
-    "-b:v", "4500k", "-maxrate", "5000k", "-bufsize", "9000k",
-    "-vsync", "cfr",
-    "-g", "50", "-keyint_min", "50",
-    "-r", "25",
-    "-bf", "0",
-    "-sc_threshold", "0",
-    "-x264-params", "force-cfr=1:scenecut=0:open_gop=0:sync-lookahead=0",
-    "-pix_fmt", "yuv420p",
-
-    # ================== 音频编码 ==================
-    "-c:a", "aac",
-    "-b:a", "96k",               # 降码率，防ContentID
-    "-ar", "48000",
-    "-ac", "2",
-
-    # ================== 音频轻量防ContentID ==================
-    "-af",
-    # 背景音乐削弱 + 人声强化 + 轻微变调
-    "highpass=f=90,lowpass=f=4200,"
-    "equalizer=f=180:width_type=o:width=2:g=3,"
-    "equalizer=f=1200:width_type=o:width=1.2:g=2,"
-    "asetrate=48000*1.006,aresample=48000,"
-    "acompressor=threshold=-28dB:ratio=3:attack=5:release=80:makeup=3,"
-    "volume=1.05,"
-    "aresample=async=1:first_pts=0",
-
-    # ================== 输出 ==================
-    "-flvflags", "no_duration_filesize",
-    "-f", "flv", youtube_rtmp
-]
-    
-    
+        # 推流优化
+        "-flvflags", "no_duration_filesize",
+        "-f", "flv", youtube_rtmp
+    ]
     proc = None
     stderr_q = None
     reader_t = None