The log indicates that the frames per second (fps) value is consistently zero.

[lichao5585]

The resolution is also very low. As long as you shake the phone lens a little, the resolution will drop immediately. However, when viewed from inside the phone, it is very clear, which means there is nothing wrong with the phone recording itself.

<script>
        const startButton = document.getElementById('startButton');
        let publisher;

        startButton.onclick = async () => {
          
            publisher = new SrsRtcPublisherAsync();
            
            const constraints = {
                    video: {
                       width: { ideal: 3840, max: 3840 },
                        height: { ideal: 2160, max: 2160 },
                        frameRate: { ideal: 60, max: 120 }, // 60~120fps
                        facingMode: 'environment'
                    }
                };

            
            const stream = await navigator.mediaDevices.getUserMedia(constraints);
            
            publisher.constraints = constraints; 
            
            localVideo.srcObject = stream;

         
            const url = 'https://xxxx/live/livestream1'; 
            await publisher.publish(url);
        };
    </script>

log ....

NACK: update seq=42219, nack range [42218, 42219]
[2024-12-24 18:35:36.514][WARN][1][3082f725][11] handle udp pkt, count=1052/1006, err: code=5015(RtcSrtpUnprotect)(Failed to decrypt data by SRTP for RTC) : size=1133, data=[90 62 a4 ea bc c8 48 15] : rtp unprotect : rtp unprotect r0=9
thread [1][3082f725]: cycle() [./src/app/srs_app_listener.cpp:743][errno=11]
thread [1][5u09m1mu]: on_rtp() [./src/app/srs_app_rtc_network.cpp:273][errno=11]
thread [1][5u09m1mu]: unprotect_rtp() [./src/app/srs_app_rtc_dtls.cpp:1056][errno=11]
[2024-12-24 18:35:36.552][INFO][1][5u09m1mu] NACK: update seq=42280, nack range [42279, 42280]
[2024-12-24 18:35:38.340][INFO][1][06637jqi] Hybrid cpu=3.00%,33MB, cid=2,10, timer=62,10,97, clock=0,46,2,0,0,0,0,0,0, objs=(pkt:498,raw:0,fua:497,msg:559,oth:1,buf:166)
[2024-12-24 18:35:38.340][INFO][1][06637jqi] RTC: Server conns=2, rpkts=(176,rtp:166,stun:1,rtcp:9), spkts=(181,rtp:166,stun:1,rtcp:29), rtcp=(pli:1,twcc:9,rr:1), snk=(97,a:48,v:48,h:1), rnk=(1,1,h:1,m:1), fid=(id:0,fid:176,ffid:0,addr:1,faddr:176)
[2024-12-24 18:35:38.992][INFO][1][e262pde8] NACK: update seq=42607, nack range [42603, 42607]
[2024-12-24 18:35:39.087][INFO][1][e262pde8] NACK: update seq=42624, nack range [42620, 42624]
[2024-12-24 18:35:40.480][INFO][1][416551jh] Process: cpu=2.00%,33MB, threads=2
[2024-12-24 18:35:40.666][INFO][1][593036h6] RTC: to rtmp bridge request key frame, ssrc=2645119478, publisher cid=5u09m1mu
[2024-12-24 18:35:40.756][INFO][1][e262pde8] 40B video sh, codec(7, profile=Baseline, level=4, 934x1662, 0kbps, 0.0fps, 0.0s)
[2024-12-24 18:35:40.756][INFO][1][e262pde8] set ts=3167656981, header=42830, lost=42831
[2024-12-24 18:35:41.128][INFO][1][3082f725] <- RTC RECV #12, udp 1682, pps 1/168, schedule 1682
[2024-12-24 18:35:41.702][INFO][1][e262pde8] NACK: update seq=42958, nack range [42955, 42958]
[2024-12-24 18:35:41.724][INFO][1][e262pde8] NACK: update seq=42960, nack range [42959, 42960]
[2024-12-24 18:35:41.734][INFO][1][e262pde8] RTC: NACK miss seq=9111, require_seq=8111, ssrc=10199, ts=4173840, count=71/71, 1107 bytes
[2024-12-24 18:35:43.340][INFO][1][06637jqi] Hybrid cpu=3.00%,33MB, cid=2,10, timer=62,10,97, clock=0,46,2,0,0,0,0,0,0, objs=(pkt:498,raw:0,fua:497,msg:559,oth:1,buf:166)
[2024-12-24 18:35:43.340][INFO][1][06637jqi] RTC: Server conns=2, rpkts=(176,rtp:166,stun:1,rtcp:9), spkts=(181,rtp:166,stun:1,rtcp:29), rtcp=(pli:1,twcc:9,rr:1), snk=(97,a:48,v:48,h:1), rnk=(1,1,h:1,m:1), fid=(id:0,fid:176,ffid:0,addr:1,faddr:176)
[2024-12-24 18:35:45.484][INFO][1][416551jh] Process: cpu=2.00%,33MB, threads=2
[2024-12-24 18:35:46.702][INFO][1][593036h6] RTC: to rtmp bridge request key frame, ssrc=2645119478, publisher cid=5u09m1mu
[2024-12-24 18:35:46.702][INFO][1][593036h6] RTC: Need PLI ssrc=2645119478, play=[5u09m1mu], publish=[5u09m1mu], count=33/33
[2024-12-24 18:35:46.702][INFO][1][5u09m1mu] RTC: Request PLI ssrc=2645119478, play=[5u09m1mu], count=33/33, bytes=12B
[2024-12-24 18:35:46.765][INFO][1][e262pde8] 40B video sh, codec(7, profile=Baseline, level=4, 934x1662, 0kbps, 0.0fps, 0.0s)
[2024-12-24 18:35:46.765][INFO][1][e262pde8] set ts=3168197791, header=43636, lost=43637
[2024-12-24 18:35:47.226][INFO][1][e262pde8] NACK: update seq=43692, nack range [43689, 43692]
[2024-12-24 18:35:48.341][INFO][1][06637jqi] Hybrid cpu=3.00%,33MB, cid=3,10, timer=62,10,97, clock=0,46,2,0,0,0,0,0,0, objs=(pkt:392,raw:1,fua:391,msg:452,oth:1,buf:130)
[2024-12-24 18:35:48.341][INFO][1][06637jqi] RTC: Server conns=2, rpkts=(140,rtp:131,stun:1,rtcp:8), spkts=(146,rtp:130,stun:1,rtcp:29), rtcp=(pli:1,twcc:9,rr:1), snk=(97,a:48,v:48,h:1), rnk=(1,1,h:0,m:2), fid=(id:0,fid:140,ffid:0,addr:1,faddr:140)
[2024-12-24 18:35:50.488][INFO][1][416551jh] Process: cpu=2.00%,33MB, threads=2
[2024-12-24 18:35:51.132][INFO][1][3082f725] <- RTC RECV #12, udp 1374, pps 1/137, schedule 1374

TRANS_BY_GPT4