Video showing blank on mute of audio

[mohan-agadkar]

I am using TRTC-API-Example-Swift,
when audio is muted at host end in website,
the host's video is going blank at client end (iOS)

below are the logs, on mute audio:-

[I][03-11/14:59:26.731+5.5][7769,70659][remote_channel_manager.cc:253][77b0]Remote-Network: StateChanged UserList: {uid:mohan001 tinyid: 144115265544763711 isMixingRobot:0 State: [Video:Big] [Audio:Has]} to: [{uid:mohan001 tinyid: 144115265544763711 isMixingRobot:0 State: [Video:Big] [Audio:Mute]}]
[I][03-11/14:59:26.731+5.5][7769,70659][network_impl.cc:1319][77b0][remote-trtc][uid:mohan001][type:Audio] Available:0
[I][03-11/14:59:26.732+5.5][7769,259][trtc_pipeline_video.cc:265][trtc-api][77b0]StopRemoteView [user_id:mohan001|stream_type:SmallStream|remove_view:True]
[I][03-11/14:59:26.732+5.5][7769,115459][video_renderer_controller.cc:263][remote-video][77b0][uid:mohan001][type:BigStream][77b0] Set render view: 0x00000000, is invalid
[I][03-11/14:59:26.733+5.5][7769,70659][remote_channel_manager.cc:2449][remote-trtc][77b0]]StopRemoteView: SmallStream userid:mohan001 ahead:false need_change_channel:true
[I][03-11/14:59:26.734+5.5][7769,115459][video_renderer_controller.cc:270][remote-video][77b0][uid:mohan001][type:BigStream][77b0] Internal renderer destroyed.
[I][03-11/14:59:28.686+5.5][7769,70659][network_impl.cc:1171][remote-trtc][77b0]][uid:mohan001][type:BigStream][tinyid:144115265544763711] Removed. Reason:LocalStop
[I][03-11/14:59:28.687+5.5][7769,70659][remote_channel_manager.cc:1973][remote-trtc][77b0]]RemoveDownStream, tinyid: 144115265544763711 type:BigStream
[I][03-11/14:59:28.687+5.5][7769,70659][remote_channel_manager.cc:2096][remote-trtc][77b0]]Subscribe User:144115265544763711 state: [Audio:Has]
[I][03-11/14:59:28.687+5.5][7769,82691][remote_video_module_impl.cc:232][remote-video][77b0][uid:mohan001]Remote video unavailable, type:BigStream reason:kLocalStop = 1
[I][03-11/14:59:28.687+5.5][7769,82691][video_consumer2_impl.cc:104][remote-video][77b0][uid:mohan001][type:BigStream][77b0] Stop consumer: clear_view = true
[I][03-11/14:59:28.687+5.5][7769,82691][video_decoder_controller.cc:62][remote-video][77b0][uid:mohan001][type:BigStream][77b0] Stop decoding.
[I][03-11/14:59:28.687+5.5][7769,82691][video_decoder_stats.cc:171][remote-video][77b0][uid:mohan001][type:BigStream][77b0] Diagnostic info: duration 5798 ms, received 178, average 30.70 fps, immediate 29 fps; discarded 0; decoded: 178, average 30.70 fps, immediate 29 fps
[I][03-11/14:59:28.687+5.5][7769,82691][video_jitter_buffer.cc:930][remote-trtc][77b0][uid:mohan001][type:BigStream][tinyid:144115265544763711]Set track reader listener @0
[I][03-11/14:59:28.687+5.5][7769,82691][video_decoder_input_track_wrapper.cc:28][remote-video][77b0][uid:mohan001][type:BigStream][77b0] Input track reader changed: @1a78 --> @0000
[I][03-11/14:59:28.687+5.5][7769,82691][video_renderer_controller.cc:63][remote-video][77b0][uid:mohan001][type:BigStream][77b0] Stop rendering.
[I][03-11/14:59:28.687+5.5][7769,124315][video_decoder_safe_wrapper.cc:399][remote-video][77b0][uid:mohan001][type:BigStream][dec_wrap:@87e0][77b0] Destroy decoder: internal-videotoolbox-hardware-video-decoder
[I][03-11/14:59:28.687+5.5][7769,124315][video_decoder_impl_apple.mm:48][remote-video][77b0][uid:mohan001][type:BigStream][dec_wrap:@87e0][77b0] Release hardware decoder
[I][03-11/14:59:28.687+5.5][7769,115459][video_renderer_stats.cc:157][remote-video][77b0][uid:mohan001][type:BigStream][77b0] Diagnostic info: {duration: 5797 ms, freeze: 731 ms, freeze_rate: 12.61%; received: 178, average 30.71 fps, immediate 29fps; rendered: 120, average 20.70 fps, immediate 0fps}
[I][03-11/14:59:28.687+5.5][7769,115459][video_renderer_controller.cc:473][remote-video][77b0][uid:mohan001][type:BigStream][77b0] Input track diagnostic info: track immediate input|output fps: 29|29, total input|output frames: 1044|1043
[I][03-11/14:59:28.688+5.5][7769,82691][signal_task.cc:117][local-trtc][77b0]]C2SRequest: {cmd:C2SSubscribeRequest, seq:555264186}
[I][03-11/14:59:28.699+5.5][7769,70659][remote_channel_manager.cc:727][remote-trtc][77b0]]AddDownStream: [type:BigStream][tinyid:144115265544763711]
[I][03-11/14:59:28.699+5.5][7769,70659][remote_channel_base.cc:98][remote-trtc][77b0][type:BigStream][tinyid:144115265544763711]Recv first UDT packet, tinyid:144115265544763711
[I][03-11/14:59:28.699+5.5][7769,100611][arq_receiver.cc:404][remote-trtc][77b0][type:BigStream][tinyid:144115265544763711]disable_control=0 arq_window_scale=1.000000 smooth_scale=500 packet_recovery_time_scale=2.000000 frame_interval_scale=2.000000 arq_interval_scale=1.200000
[I][03-11/14:59:28.699+5.5][7769,100611][video_depacketizer.cc:110][remote-trtc][77b0][type:BigStream][tinyid:144115265544763711]VideoFrame: fragment_num: 1 fragment_index: 0 ext_flag: 11 packet_type: 1 index: 1 packet_total_count: 16 frame_index: 14 gop_index: 23 sender_seq:2128625
[I][03-11/14:59:28.699+5.5][7769,100611][video_depacketizer.cc:221][remote-trtc][77b0][type:BigStream][tinyid:144115265544763711]Assemble first frame: type: 1 gop_index: 23 frame_index: 14 reference_frame_index: 13 first_packet_seq: 2128624
[I][03-11/14:59:28.699+5.5][7769,100611][remote_video_channel.cc:751][remote-trtc][77b0][type:BigStream][tinyid:144115265544763711]Request Key Frame
[I][03-11/14:59:28.710+5.5][7769,82691][signal_manager.cc:1051][local-trtc][77b0]]Signal: C2SResponse: C2SSubscribeResponse, Seq: 555264186, Tinyid: 144115265545811735, ErrorCode: 0, ErrorHandleMethod: 0
[W][03-11/14:59:32.278+5.5][7769,107019][video_encoder_monitor.cc:70][local-video][main][BigStream][77b0] Encoder output interval:55, pts delta:66,fps interval: 66
[I][03-11/14:59:33.622+5.5][7769,82691][audio_io_service_impl.cc:779][audio_log][audio-io]up-link preprocess time plus algorithm buffer is: 17 ms, microphone record delay is: 4 ms.
[I][03-11/14:59:33.622+5.5][7769,82691][audio_io_service_impl.cc:788][audio_log][audio-io]down-link mix and decode time plus max sync-buffer cache is: 7 ms, speaker playout delay is: 32 ms.
[I][03-11/14:59:33.688+5.5][7769,70659][remote_channel_manager.cc:1973][remote-trtc][77b0]]RemoveDownStream, tinyid: 144115265544763711 type:BigStream