关于视频没有声音的问题

[vistal8]

电脑播放正常，手机单独播放正常，但是vcam下无声，已经开启播放视频声音。
以下是日志 请问哪里出了问题
06-24 09:23:42.164 I/Xposed ( 670): -----------------
06-24 09:23:42.164 I/Xposed ( 670): Starting Xposed version 88.2-test4, compiled for SDK 24
06-24 09:23:42.164 I/Xposed ( 670): Device: Redmi Note 4X (Xiaomi), Android version 7.0 (SDK 24)
06-24 09:23:42.164 I/Xposed ( 670): ROM: n/a
06-24 09:23:42.164 I/Xposed ( 670): Build fingerprint: Xiaomi/sagit/sagit:7.1.1/NMF26X/V8.2.17.0.NCACNEC:user/release-keys
06-24 09:23:42.164 I/Xposed ( 670): Platform: arm64-v8a, 64-bit binary, system server: yes
06-24 09:23:42.164 I/Xposed ( 670): SELinux enabled: yes, enforcing: no
06-24 09:23:46.011 I/Xposed ( 670): -----------------
06-24 09:23:46.011 I/Xposed ( 670): Added Xposed (/system/framework/XposedBridge.jar) to CLASSPATH
06-24 09:23:46.509 I/Xposed ( 670): Detected ART runtime
06-24 09:23:46.512 I/Xposed ( 670): Found Xposed class 'de/robv/android/xposed/XposedBridge', now initializing
06-24 09:23:46.809 I/Xposed ( 670): Loading modules from /data/app/com.example.vcam-1/base.apk
06-24 09:23:46.819 I/Xposed ( 670): Loading class com.example.vcam.HookMain
06-24 09:23:52.617 I/Xposed ( 672): -----------------
06-24 09:23:52.617 I/Xposed ( 672): Starting Xposed version 88.2-test4, compiled for SDK 24
06-24 09:23:52.617 I/Xposed ( 672): Device: Redmi Note 4X (Xiaomi), Android version 7.0 (SDK 24)
06-24 09:23:52.617 I/Xposed ( 672): ROM: n/a
06-24 09:23:52.617 I/Xposed ( 672): Build fingerprint: Xiaomi/sagit/sagit:7.1.1/NMF26X/V8.2.17.0.NCACNEC:user/release-keys
06-24 09:23:52.617 I/Xposed ( 672): Platform: arm64-v8a, 32-bit binary, system server: no
06-24 09:23:52.617 I/Xposed ( 672): SELinux enabled: yes, enforcing: no
06-24 09:23:55.111 I/Xposed ( 672): -----------------
06-24 09:23:55.111 I/Xposed ( 672): Added Xposed (/system/framework/XposedBridge.jar) to CLASSPATH
06-24 09:23:55.462 I/Xposed ( 672): Detected ART runtime
06-24 09:23:55.464 I/Xposed ( 672): Found Xposed class 'de/robv/android/xposed/XposedBridge', now initializing
06-24 09:23:55.714 I/Xposed ( 672): Loading modules from /data/app/com.example.vcam-1/base.apk
06-24 09:23:55.721 I/Xposed ( 672): Loading class com.example.vcam.HookMain
06-24 09:24:06.871 W/Xposed ( 3110): Package name for /data/user/0/com.miui.securitycenter/files/dynamic/com.miui.securitycenter.dynamic/dynamic.apk had to be retrieved via parser
06-24 09:27:17.740 I/Xposed ( 5015): 【VCAM】创建预览
06-24 09:27:17.839 I/Xposed ( 5015): 【VCAM】开始预览
06-24 09:27:18.222 I/Xposed ( 5015): 【VCAM】帧预览回调初始化：宽：1280 高：720 帧率：30
06-24 09:27:18.274 I/Xposed ( 5015): 【VCAM】【decoder】开始解码
06-24 09:27:18.438 I/Xposed ( 5015): 【VCAM】【decoder】set decode color format to type 2135033992
06-24 09:37:48.218 I/XposedInstaller( 8125): Downloaded http://dl.xposed.info/repo/full.xml.gz with status 2 (error: 下载 http://dl.xposed.info/repo/full.xml.gz 时出错：Connection reset), size 0 bytes