在使用javacv推流执法记录仪的时候，总是推一段时间就会报管道关闭的错误，以下记录一下错误日志
[mpeg @ 000001af4d66d2c0] buffer underflow st=0 bufi=7086 size=30383
[mpeg @ 000001af4d66d2c0] buffer underflow st=0 bufi=9127 size=30383
[mpeg @ 000001af4d66d2c0] buffer underflow st=0 bufi=11168 size=30383
[mpeg @ 000001af4d66d2c0] buffer underflow st=0 bufi=13209 size=30383
[mpeg @ 000001af4d66d2c0] buffer underflow st=0 bufi=15250 size=30383
[mpeg @ 000001af4d66d2c0] buffer underflow st=0 bufi=17291 size=30383
[mpeg @ 000001c91c3201c0] buffer underflow st=0 bufi=332 size=1662
[swscaler @ 000001c91d8d7980] deprecated pixel format used, make sure you did set range correctly
[mpeg @ 000001c91c3201c0] buffer underflow st=0 bufi=707 size=1717
[swscaler @ 000001c91d8d7980] deprecated pixel format used, make sure you did set range correctly
[mpeg @ 000001c91c3201c0] buffer underflow st=0 bufi=1027 size=1637
[swscaler @ 000001c91d8d7980] deprecated pixel format used, make sure you did set range correctly
[mpeg @ 000001c91c3201c0] buffer underflow st=0 bufi=1427 size=1660
[swscaler @ 000001c91d8d7980] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 000001c91d8d7980] deprecated pixel format used, make sure you did set range correctly
[mpeg @ 000001c91c3201c0] buffer underflow st=0 bufi=209 size=1685
[swscaler @ 000001c91d8d7980] deprecated pixel format used, make sure you did set range correctly
[mpeg @ 000001c91c3201c0] buffer underflow st=0 bufi=561 size=1714
[mp2 @ 000001c91c3cc180] Header missing
[swscaler @ 000001c91d8d7980] deprecated pixel format used, make sure you did set range correctly
[mpeg @ 000001c91c3201c0] buffer underflow st=0 bufi=884 size=1611
[swsorg.bytedeco.javacv.FFmpegFrameRecorder$Exception: No audio output stream (Is audioChannels > 0 and has start() been called?) (For more details, make sure FFmpegLogCallback.set() has been called.)
at org.bytedeco.javacv.FFmpegFrameRecorder.recordSamples(FFmpegFrameRecorder.java:1154)
at org.bytedeco.javacv.FFmpegFrameRecorder.record(FFmpegFrameRecorder.java:1021)
at org.bytedeco.javacv.FFmpegFrameRecorder.record(FFmpegFrameRecorder.java:1010)
at com.oldwei.hikisup.sdk.SdkService.StreamService.StreamThread.rtmp(StreamThread.java:43)
at com.oldwei.hikisup.sdk.SdkService.StreamService.StreamThread.run(StreamThread.java:28)
at java.base/java.lang.Thread.run(Thread.java:1583)