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eric
2026-02-23 09:53:32 -06:00
parent e510e66c13
commit eafcc2b7d0
1 changed files with 25 additions and 22 deletions
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douyin_youtube_ffplay.py
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@@ -305,10 +305,13 @@ def start_douyin_youtube_ffplay(
# ]
# 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
# 1080p - 极致优化版本（Ubuntu Server 专用，高质量 + YouTube直播推荐友好 + 强防Content ID）
# 针对Ubuntu server（通常CPU较强，无iOS硬件限制）：
# - preset 升级到 medium 或 slow（如果CPU能承受，质量显著提升）
# - 比特率保持8500k-10000k峰值，符合YouTube 1080p直播高质量推荐
# - 音频防Content ID：音高+5%、频率偏移、多段EQ衰减背景音乐、强压缩、相位扰动（使用aphaser正确参数）、轻噪门
# - 移除无效参数，修复之前aphaser错误（aphaser支持in_gain/out_gain/delay/decay/speed/type，不支持feedback）
# - Ubuntu下推荐使用最新FFmpeg（apt install ffmpeg 或从源码编译支持libx264）
ffmpeg_command = [
"ffmpeg", "-y", "-loglevel", "info", "-nostdin", "-re",
@@ -325,16 +328,16 @@ def start_douyin_youtube_ffplay(
"-headers", douyin_headers,
"-i", real_url,
# 视频处理：1080p 纵屏优化
# 视频处理：1080p 纵屏优化，黑边填充
"-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", "faster",
"-preset", "medium", # Ubuntu server CPU通常能承受，质量比faster好很多；若掉帧可回退到faster或veryfast
"-tune", "zerolatency",
"-profile:v", "high",
"-level", "4.2", # 适配1080p@25fps
"-level", "4.2", # 支持1080p@25fps
"-b:v", "8500k", "-maxrate", "10000k", "-bufsize", "20000k",
"-vsync", "cfr",
"-g", "50", "-keyint_min", "50",
@@ -344,24 +347,24 @@ def start_douyin_youtube_ffplay(
"-x264-params", "force-cfr=1:scenecut=0:open_gop=0:sync-lookahead=0:rc-lookahead=0",
"-pix_fmt", "yuv420p",
# 音频处理 - 防Content ID 强化版
# 音频处理 - 防Content ID 强化版（多维度修改音频指纹）
"-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
"afftdn=nf=-24:tn=1," # 中等降噪，保留人声清晰度
"highpass=f=100,lowpass=f=5200," # 切除低频鼓/贝斯 & 高频镲/噪音，聚焦人声区
"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（常见旋律区）
"equalizer=f=750:width_type=o:width=1.6:g=-7," # 中频衰减，破坏音乐结构
"equalizer=f=2800:width_type=o:width=1.2:g=-5," # 高中频轻衰减，保持人声自然
"acompressor=threshold=-26dB:ratio=5.5:attack=7:release=90:makeup=6," # 强压缩，改变动态指纹
"asetrate=48000*1.05,atempo=1.0,aresample=48000," # 音高抬升5%（不改速度），有效规避Content ID
"afreqshift=shift=22," # 频率整体偏移，进一步破坏匹配
"aphaser=type=t:decay=0.35:delay=3.0:speed=0.5," # 正确参数：轻微相位扰动（triangular类型），防检测
"anlmdn=s=0.00012:p=0.0008:r=0.002," # 轻量非线性噪门，清理残余背景音乐
"volume=1.08," # 补偿音量衰减
"aresample=async=1:first_pts=0:min_hard_comp=0.100000:first_pts=0", # 强制音视频同步
# 推流优化
# 推流优化（FLV适合YouTube RTMP/RTMPS）
"-flvflags", "no_duration_filesize",
"-f", "flv", youtube_rtmp
]