注意：提问前，请先看FAQ(Please read FAQ before file an issue) #2716

描述(Description)

描述你遇到了什么问题(Please description your issue here)

1. SRS版本(Version): srs-4.0.198
2. SRS的日志如下(Log):

[1970-01-01 09:36:21.998][Trace][418][p7u6j85b] XCORE-SRS/4.0.198(Leo)
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] config parse complete
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] write log to console
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b][MAIN] SRS/4.0.198(Leo), MIT
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] authors: https://github.com/ossrs/srs/blob/4.0release/trunk/AUTHORS.txt
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] contributors: Winlin<winlin@vip.126.com> Winlin<winterserver@126.com> Winlin<chengli.ycl@alibaba-inc.com> Wenjie<zhaowenjie@tal.com> Wenjie<740936897@qq.com> Wenjie<wenjie.zhao@chinacache.com> xiangcheng.liu<liuxc0116@foxmail.com> naijia.liu<youngcow@youngcow.net> alcoholyi<alcoholyi@qq.com> byteman<wangchen2011@gmail.com> chad.wang<chad.wang.cn@gmail.com> suhetao<suhetao@gmail.com> Johnny<fengjihu@163.com> karthikeyan<keyanmca@gmail.com> StevenLiu<lq@chinaffmpeg.org> zhengfl<zhengfl_1989@126.com> tufang14<breadbean1449@gmail.com> allspace<allspace@gmail.com> niesongsong<nie950@gmail.com> rudeb0t<nimrod@themanxgroup.tw> CallMeNP<np.liamg@gmail.com> synote<synote@qq.com> lovecat<littlefawn@163.com> panda1986<542638787@qq.com> YueHonghui<hongf.yue@hotmail.com> ThomasDreibholz<dreibh@simula.no> JuntaoLiu<juntliu@gmail.com> RocFang<fangpeng1986@gmail.com> MakarovYaroslav<yaroslav.makarov.97@mail.ru> MirkoVelic<mvelic@inoxx.net> HuiZhang(huzhang2)<huzhang2@cisco.com> OtterWa<simpleotter23@gmail.com> walkermi<172192667@qq.com> haofz<fuzhuang.hao@vhall.com> ME_Kun_Han<hanvskun@hotmail.com> ljx0305<ljx0305@gmail.com> cenxinwei<censhanhe@163.com> StarBrilliant<m13253@hotmail.com> xubin<xubin@chnvideo.com> intliang<yintiliang@gmail.com> flowerwrong<sysuyangkang@gmail.com> YLX<568414379@qq.com> J<guotaojiang@qq.com> Harlan<hailiang@gvrcraft.com> hankun<hankun@bravovcloud.com> JonathanBarratt<jonathan.barratt@gmail.com> KeeganH<keeganwharris@gmail.com> StevenLiu<lingjiujianke@gmail.com> liuxc0116<liuxc0116@gmail.com> ChengdongZhang<lmajzcd@sina.com> lovacat<lovecat@china.sina.com> qiang.li<qiang.li@verycdn.com.cn> HungMingWu<u9089000@gmail.com> Himer<xishizhaohua@qq.com> XiaLixin<xialixin@kanzhun.com> XiaLixin<68469352@qq.com> XiaLixin<xlx0625@163.com> XiaLixin<xialx@yuntongxun.com> alphonsetai<tyh_123@163.com> Michael.Ma<wnpllr@gmail.com> lam2003<linmin3@yy.com> ShiWei<shiwei05@kuaishou.com> ShiWei<shi.weibd@hotmail.com> XiaofengWang<wasphin@gmail.com> XiaoZhihong<hondaxiao@tencent.com> XiaoZhihong<xiaozhihong8@gmail.com> XiaoZhihong<xiaozhihong@huya.com> yanghuiwen<cainiaodj@qq.com> WuPengqiang<309554135@qq.com> WuPengqiang<pengqiang.wpq@alibaba-inc.com> l<22312935+lam2003@github> xfalcon<x-falcon@github> ChenGuanghua<jinxue.cgh@alibaba-inc.com> ChenGuanghua<chengh_math@126.com> LiPeng<mozhan.lp@alibaba-inc.com> LiPeng<lipeng19811218@gmail.com> yajun18<yajun18@staff.sina.com.cn> liulichuan<liulichuan@kuaishou.com> yapingcat<caoyapingneu@163.com> chenchengbin<chenchengbin@yy.com> ChenHaibo<495810242@qq.com> ChenHaibo<nmgchenhaibo@foxmail.com> jasongwq<jasongwq@gmail.com> yinjiaoyuan<yinjiaoyuan@163.com> PieerePi<pihuibin@hotmail.com> JesseXi<jesse.jinjin@wo.cn> PieerePi<40780488+PieerePi@github> ghostsf<ghost_sf@163.com> xbpeng121<53243357+xbpeng121@github> johzzy<hellojinqiang@gmail.com> stone<bluestn@163.com> cfw11<34058899+cfw11@github> Hung-YiChen<gaod.chen@gmail.com> long<liyalong12345@126.com> matthew1838<77285055+matthew1838@github> rise<rise.worlds@outlook.com> 
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] cwd=/mytest/srs, work_dir=./, build: 2021-12-20 09:03:37, configure: --cross-build --cc=aarch64-linux-gnu-gcc --cxx=aarch64-linux-gnu-g++ --ar=aarch64-linux-gnu-ar --ld=aarch64-linux-gnu-ld --randlib=aarch64-linux-gnu-randlib, uname: Linux a-virtual-machine 5.4.0-87-generic #98~18.04.1-Ubuntu SMP Wed Sep 22 10:45:04 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux, osx: 0
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] configure detail: --prefix=/usr/local/srs --hls=on --hds=off --dvr=on --ssl=on --https=on --ssl-1-0=off --ssl-local=off --sys-ssl=off --transcode=on --ingest=on --stat=on --http-callback=on --http-server=on --stream-caster=on --http-api=on --utest=off --cherrypy=off --srt=off --rtc=on --simulator=off --cxx11=off --cxx14=off --ffmpeg-fit=on --nasm=on --srtp-nasm=on --clean=on --gperf=off --gmc=off --gmd=off --gmp=off --gcp=off --gprof=off --static=off --shared-st=off --shared-srt=off --shared-ffmpeg=off --log-verbose=off --log-info=off --log-trace=on --gcov=off --debug=off --debug-stats=off --cross-build=on --arch=aarch64 --host=aarch64-linux-gnu --cross-prefix=aarch64-linux-gnu- --cc=aarch64-linux-gnu-gcc --cxx=aarch64-linux-gnu-g++ --ar=aarch64-linux-gnu-ar --ld=aarch64-linux-gnu-ld --randlib=aarch64-linux-gnu-randlib
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] srs checking config...
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] ips, iface[0] eno0 ipv4 0x11043 192.168.142.100, iface[1] swp1 ipv4 0x11043 192.168.2.1, iface[2] eno0 ipv6 0x11043 fe80::382b:93ff:fea4:bf78%eno0, iface[3] eno2 ipv6 0x11043 fe80::8056:14ff:fe53:8e15%eno2, iface[4] swp1 ipv6 0x11043 fe80::8056:14ff:fe53:8e15%swp1
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] devices, intranet eno0 192.168.142.100, intranet swp1 192.168.2.1, intranet eno0 fe80::382b:93ff:fea4:bf78%eno0, intranet eno2 fe80::8056:14ff:fe53:8e15%eno2, intranet swp1 fe80::8056:14ff:fe53:8e15%swp1
[1970-01-01 09:36:21.999][Warn][418][p7u6j85b][2] stats network use index=0, ip=192.168.142.100, ifname=eno0
[1970-01-01 09:36:21.999][Warn][418][p7u6j85b][2] stats disk not configed, disk iops disabled.
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] write log to console
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] features, rch:on, dash:on, hls:on, hds:off, srt:off, hc:on, ha:on, hs:on, hp:on, dvr:on, trans:on, inge:on, stat:on, sc:on
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] SRS on  aarch64(crossbuild), conf:rtmp2rtc.conf, limit:1000, writev:1024, encoding:little-endian, HZ:100
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] mw sleep:350ms. mr enabled:on, default:0, sleep:350ms
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] gc:on, pq:30000ms, cscc:[0,16), csa:on, tn:on(may hurts performance), ss:auto(guess by merged write)
[1970-01-01 09:36:21.999][Trace][418][p7u6j85b] system default latency(ms): mw(0-350) + mr(0-350) + play-queue(0-30000)
[1970-01-01 09:36:21.999][Warn][418][p7u6j85b][2] SRS/4.0.198 is not stable
[1970-01-01 09:36:22.014][Trace][418][p7u6j85b] fingerprint=3B:0D:96:65:2F:C8:2C:22:0A:D4:13:43:BA:68:DD:EC:49:53:92:74:50:1E:CC:39:42:8B:A5:47:70:1A:56:67
[1970-01-01 09:36:22.014][Trace][418][p7u6j85b] CircuitBreaker: enabled=1, high=2x90, critical=1x95, dying=5x99
[1970-01-01 09:36:22.014][Trace][418][p7u6j85b] http flv live stream, vhost=__defaultVhost__, mount=[vhost]/[app]/[stream].flv
[1970-01-01 09:36:22.014][Trace][418][p7u6j85b] http: root mount to ./objs/nginx/html
[1970-01-01 09:36:22.014][Trace][418][p7u6j85b] server main cid=p7u6j85b, pid=418, ppid=401, asprocess=0
[1970-01-01 09:36:22.014][Trace][418][p7u6j85b] write pid=418 to ./objs/srs.pid success!
[1970-01-01 09:36:22.014][Trace][418][p7u6j85b] RTMP listen at tcp://0.0.0.0:1935, fd=6
[1970-01-01 09:36:22.015][Trace][418][p7u6j85b] HTTP-API listen at tcp://0.0.0.0:1985, fd=7
[1970-01-01 09:36:22.015][Trace][418][p7u6j85b] HTTP-Server listen at tcp://0.0.0.0:8080, fd=8
[1970-01-01 09:36:22.015][Trace][418][p7u6j85b] signal installed, reload=1, reopen=10, fast_quit=15, grace_quit=3
[1970-01-01 09:36:22.015][Trace][418][p7u6j85b] http: api mount /console to ./objs/nginx/html/console
[1970-01-01 09:36:22.015][Trace][418][p7u6j85b] rtc listen at udp://0.0.0.0:8000, fd=9
[1970-01-01 09:36:22.015][Trace][418][404384kk] Hybrid cpu=0.00%,11MB
[1970-01-01 09:36:22.015][Warn][418][03362712][22] use private address as ip: 192.168.142.100, ifname=eno0
[1970-01-01 09:36:22.015][Trace][418][03362712] Startup query id=97fdf2921e2211b2b951253e38a1d56f, eip=192.168.142.100, wait=562s
[1970-01-01 09:36:22.015][Trace][418][0g75y1ua] TCP: connection manager run, conns=0
[1970-01-01 09:36:22.016][Trace][418][97z43td0] UDP #9 LISTEN at 0.0.0.0:8000, SO_SNDBUF(default=212992, expect=10485760, actual=425984, r0=0), SO_RCVBUF(default=212992, expect=10485760, actual=425984, r0=0)
[1970-01-01 09:36:22.016][Trace][418][33v3s691] RTC: connection manager run, conns=0
[1970-01-01 09:36:26.994][Trace][418][404384kk] Hybrid cpu=0.00%,11MB
[1970-01-01 09:36:28.993][Trace][418][00228f89] RTMP client ip=192.168.142.100:41518, fd=10
[1970-01-01 09:36:29.000][Trace][418][00228f89] complex handshake success
[1970-01-01 09:36:29.000][Trace][418][00228f89] connect app, tcUrl=rtmp://192.168.142.100:1935/live/livestream, pageUrl=, swfUrl=, schema=rtmp, vhost=192.168.142.100, port=1935, app=live/livestream, args=null
[1970-01-01 09:36:29.000][Trace][418][00228f89] protocol in.buffer=0, in.ack=0, out.ack=0, in.chunk=128, out.chunk=128
[1970-01-01 09:36:29.001][Trace][418][00228f89] client identified, type=fmle-publish, vhost=192.168.142.100, app=live/livestream, stream=2, param=, duration=0ms
[1970-01-01 09:36:29.001][Trace][418][00228f89] connected stream, tcUrl=rtmp://192.168.142.100:1935/live/livestream, pageUrl=, swfUrl=, schema=rtmp, vhost=__defaultVhost__, port=1935, app=live/livestream, stream=2, param=, args=null
[1970-01-01 09:36:29.001][Trace][418][00228f89] new source, stream_url=/live/livestream/2
[1970-01-01 09:36:29.001][Trace][418][00228f89] source url=/live/livestream/2, ip=192.168.142.100, cache=1, is_edge=0, source_id=/
[1970-01-01 09:36:29.001][Trace][418][00228f89] new source, stream_url=/live/livestream/2
[1970-01-01 09:36:29.007][Trace][418][00228f89] RTC bridge from RTMP, rtmp2rtc=1, keep_bframe=0, merge_nalus=0
[1970-01-01 09:36:29.008][Trace][418][00228f89] ignore disabled exec for vhost=__defaultVhost__
[1970-01-01 09:36:29.008][Trace][418][00228f89] http: mount flv stream for sid=/live/livestream/2, mount=/live/livestream/2.flv
[1970-01-01 09:36:29.008][Trace][418][00228f89] start publish mr=0/350, p1stpt=20000, pnt=5000, tcp_nodelay=0
[1970-01-01 09:36:29.008][Trace][418][00228f89] got metadata, width=2560, height=1440, vcodec=7, acodec=10
[1970-01-01 09:36:29.008][Trace][418][00228f89] 44B video sh,  codec(7, profile=Main, level=5, 2560x1440, 0kbps, 0.0fps, 0.0s)
[1970-01-01 09:36:29.008][Trace][418][00228f89] 4B audio sh, codec(10, profile=LC, 1channels, 0kbps, 16000HZ), flv(16bits, 2channels, 44100HZ)

推流、拉流成功，用rtc-player播放，视频正常，音频杂声；用srs-player视频、音频正常；dvr抓下来的flv的视频、音频正常。

1. SRS的配置如下(Config):

listen              1935;
max_connections     1000;
daemon              off;
srs_log_tank        console;

http_server {
    enabled         on;
    listen          8080;
    dir             ./objs/nginx/html;
}

http_api {
    enabled         on;
    listen          1985;
}
stats {
    network         0;
}
rtc_server {
    enabled on;
    listen 8000;
    # @see https://github.com/ossrs/srs/wiki/v4_CN_WebRTC#config-candidate
    candidate $CANDIDATE;
}

vhost __defaultVhost__ {
    dvr {
        enabled      on;
        dvr_path     /disk/[2006]/[01]/[02]-[15].[04].[05].[999].flv;
        dvr_plan     segment;
        dvr_duration    30;
        dvr_wait_keyframe       on;
	#time_jitter             full;
    }
    rtc {
        enabled     on;
        # @see https://github.com/ossrs/srs/wiki/v4_CN_WebRTC#rtmp-to-rtc
        rtmp_to_rtc on;
        # @see https://github.com/ossrs/srs/wiki/v4_CN_WebRTC#rtc-to-rtmp
        rtc_to_rtmp on;
#	keep_bframe on;
    }
    http_remux {
        enabled     on;
        mount       [vhost]/[app]/[stream].flv;
    }
}

重现(Replay)

重现Bug的步骤(How to replay bug?)

1. ./objs/srs -c rtmp2rtc.conf
2. ffmpeg 推流指令: ffmpeg -rtsp_transport tcp -i "rtsp://admin:12345678@192.168.1.64:554/cam/realmonitor?channel=1&subtype=0" -c copy -f flv -r 25 rtmp://192.168.142.100:1935/live/livestream
   日志：
   ffmpeg version N-104861-g7fe5c7f02d Copyright (c) 2000-2021 the FFmpeg developers
   built with gcc 7 (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04)
   configuration: --prefix=. --enable-cross-compile --cross-prefix=aarch64-linux-gnu- --arch=arm64 --target-os=linux --pkg-config-flags=--static --pkg-config=pkg-config --pkgconfigdir=/disk2/nxp/build_def --shlibdir=lib --extra-cflags=-I/disk2/nxp/build_def/include --extra-ldflags=-L/disk2/nxp/build_def/lib --extra-libs='-lpthread -lm' --enable-static --enable-pic --disable-doc --enable-gpl --enable-nonfree --enable-hardcoded-tables --enable-openssl --enable-libaom --enable-libfdk-aac --enable-libopus --enable-libsvtav1 --enable-libdav1d --enable-libvpx --enable-libx264 --enable-libx265
   libavutil 57. 11.100 / 57. 11.100
   libavcodec 59. 14.100 / 59. 14.100
   libavformat 59. 10.100 / 59. 10.100
   libavdevice 59. 0.101 / 59. 0.101
   libavfilter 8. 20.100 / 8. 20.100
   libswscale 6. 1.101 / 6. 1.101
   libswresample 4. 0.100 / 4. 0.100
   libpostproc 56. 0.100 / 56. 0.100
   Input #0, rtsp, from 'rtsp://admin:bst12345678@192.168.2.64:554/Streaming/Channels/101':
   Metadata:
   title : Media Presentation
   Duration: N/A, start: 0.000000, bitrate: N/A
   Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709, progressive), 2560x1440, 25 fps, 25 tbr, 90k tbn
   Stream #0:1: Audio: aac (LC), 16000 Hz, mono, fltp
   Output #0, flv, to 'rtmp://192.168.142.100:1935/live/livestream/2':
   Metadata:
   title : Media Presentation
   encoder : Lavf59.10.100
   Stream #0:0: Video: h264 (Main) ([7][0][0][0] / 0x0007), yuvj420p(pc, bt709, progressive), 2560x1440, q=2-31, 25 fps, 25 tbr, 1k tbn
   Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 16000 Hz, mono, fltp
   Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
   Press [q] to stop, [?] for help
   [flv @ 0xaaab02445ac0] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
   [flv @ 0xaaab02445ac0] Failed to update header with correct duration.972.9kbits/s speed=1.08x
   [flv @ 0xaaab02445ac0] Failed to update header with correct filesize.
   frame= 444 fps= 27 q=-1.0 Lsize= 17304kB time=00:00:17.78 bitrate=7971.0kbits/s speed=1.07x
   video:17230kB audio:60kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.079371%
   3、 浏览器访问 http://192.168.142.100:8080/players/rtc_player.html?autostart=true

期望行为(Expect)
描述你期望发生的事情(Please describe your expectation)