ffmpeg錄製usb攝像頭和alsa音頻出現ALSA buffer xrun.

參考解決辦法https://stackoverflow.com/questions/28359855/alsa-buffer-xrun-induced-by-low-quality-source-in-ffmpeg-capturelinux 添加-thread_queue_size 1024選項來解決這個問題 app ffmpeg  -f alsa  -thread_queue_size 1024

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