's'

douyin_youtube_ffplay.py

@@ -334,7 +334,8 @@ def start_douyin_youtube_ffplay(
         "pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black",
 
         "-c:v", "libx264",
-        "-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
+        "-preset", "ultrafast",               # 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
+        "-threads", "4",
         "-tune", "zerolatency",
         "-profile:v", "high",
         "-level", "4.2",                   # 支持1080p@25fps
@@ -351,7 +352,7 @@ def start_douyin_youtube_ffplay(
         # 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",
-        "arnndn=m=./arnndn-models/cb.rnnn:mix=0.85,"
+        "arnndn=m=./arnndn-models/cb.rnnn:mix=0.85,"       #神经网络
         "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）