eric/gitlab-instance-0a899031_douyinyoutube
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eric
2026-03-19 02:44:19 -05:00
parent ea99d733dc
commit fccb46ae7b
1 changed files with 6 additions and 4 deletions
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10
demucs_pipeline.py
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@@ -192,7 +192,7 @@ def run_demucs_pipeline(
conn = [None] # 用 list 以便在闭包中修改 conn = [None] # 用 list 以便在闭包中修改
def accept_conn(): def accept_conn():
server.settimeout(120) server.settimeout(30)
try: try:
c, _ = server.accept() c, _ = server.accept()
conn[0] = c conn[0] = c
@@ -206,6 +206,7 @@ def run_demucs_pipeline(
accept_thread = threading.Thread(target=accept_conn, daemon=True) accept_thread = threading.Thread(target=accept_conn, daemon=True)
accept_thread.start() accept_thread.start()
time.sleep(0.2) # 确保 server 已 listen
# FFmpeg 拉流（视频） # FFmpeg 拉流（视频）
ffmpeg_v_cmd = [ ffmpeg_v_cmd = [
@@ -232,14 +233,15 @@ def run_demucs_pipeline(
"-ar", str(DEMUCS_SAMPLE_RATE), "pipe:1", "-ar", str(DEMUCS_SAMPLE_RATE), "pipe:1",
] ]
# FFmpeg 推流（视频 stdin + 音频 tcp） # FFmpeg 推流：音频 tcp 放第一（FFmpeg 按顺序打开输入，pipe:0 会阻塞直到有数据，
# 若 pipe 在前则永远连不上 tcp，导致 accept 超时）
vf = "fps=30,scale=720:1280:force_original_aspect_ratio=decrease:flags=lanczos,pad=720:1280:(ow-iw)/2:(oh-ih)/2:black" vf = "fps=30,scale=720:1280:force_original_aspect_ratio=decrease:flags=lanczos,pad=720:1280:(ow-iw)/2:(oh-ih)/2:black"
ffmpeg_out_cmd = [ ffmpeg_out_cmd = [
"ffmpeg", "-y", "-loglevel", "info", "-nostdin", "ffmpeg", "-y", "-loglevel", "info", "-nostdin",
"-f", "nut", "-i", "pipe:0",
"-f", "s16le", "-ac", str(DEMUCS_CHANNELS), "-ar", str(DEMUCS_SAMPLE_RATE), "-f", "s16le", "-ac", str(DEMUCS_CHANNELS), "-ar", str(DEMUCS_SAMPLE_RATE),
"-i", tcp_audio_url, "-i", tcp_audio_url,
"-map", "0:v", "-map", "1:a", "-f", "nut", "-i", "pipe:0",
"-map", "1:v", "-map", "0:a",
"-vf", vf, "-vf", vf,
"-c:v", nvenc_params.get("codec_v", "libx264"), "-c:v", nvenc_params.get("codec_v", "libx264"),
"-preset", nvenc_params.get("preset_v", "fast"), "-preset", nvenc_params.get("preset_v", "fast"),