linking issue after adding in your project

[Girijesh Kumar]

Undefined symbols for architecture arm64:
"_WebRtcAec_Process", referenced from:
_webrtc_aec_cancel_echo in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_WebRtcAec_BufferFarend", referenced from:
_webrtc_aec_cancel_echo in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_WebRtcNs_Process", referenced from:
_webrtc_aec_cancel_echo in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_WebRtcAec_Create", referenced from:
_webrtc_aec_create in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_WebRtcAec_Init", referenced from:
_webrtc_aec_create in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
_webrtc_aec_reset in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_WebRtcAec_aec_core", referenced from:
_webrtc_aec_create in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_WebRtcNs_Free", referenced from:
_webrtc_aec_create in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
_webrtc_aec_destroy in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_ABGRToARGB", referenced from:
_conv_to_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_I422ToARGB", referenced from:
_conv_to_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_RGB24ToI420", referenced from:
_conv_to_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_WebRtcAec_set_config", referenced from:
_set_config in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_ARGBToI420", referenced from:
_conv_from_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
_conv_to_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_YUY2ToI420", referenced from:
_conv_to_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_UYVYToI420", referenced from:
_conv_to_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_WelsCreateSVCEncoder", referenced from:
oh264_alloc_codec(pjmedia_vid_codec_factory*, pjmedia_vid_codec_info const*, pjmedia_vid_codec**) in libpjmedia-codec-apple-darwin_ios.a(openh264.o)
"_I420ToABGR", referenced from:
_conv_from_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_ARGBToRGB24", referenced from:
_conv_from_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_WebRtcAec_Free", referenced from:
_webrtc_aec_create in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
_webrtc_aec_destroy in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_YUY2ToARGB", referenced from:
_conv_to_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_UYVYToARGB", referenced from:
_conv_to_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_ARGBToYUY2", referenced from:
_conv_from_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_ARGBToUYVY", referenced from:
_conv_from_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_WebRtcNs_Analyze", referenced from:
_webrtc_aec_cancel_echo in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_ABGRToI420", referenced from:
_conv_to_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_ARGBScale", referenced from:
_conv_from_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_I420ToRGB24", referenced from:
_conv_from_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_WelsDestroySVCEncoder", referenced from:
oh264_alloc_codec(pjmedia_vid_codec_factory*, pjmedia_vid_codec_info const*, pjmedia_vid_codec**) in libpjmedia-codec-apple-darwin_ios.a(openh264.o)
oh264_dealloc_codec(pjmedia_vid_codec_factory*, pjmedia_vid_codec*) in libpjmedia-codec-apple-darwin_ios.a(openh264.o)
"_pjmedia_vid_dev_subsys_shutdown", referenced from:
_pjsua_vid_subsys_destroy in libpjsua-apple-darwin_ios.a(pjsua_vid.o)
"_ARGBToI422", referenced from:
_conv_from_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_I420ToYUY2", referenced from:
_conv_from_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_I420ToUYVY", referenced from:
_conv_from_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_I420ToARGB", referenced from:
_conv_from_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
_conv_to_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_WebRtcAec_get_error_code", referenced from:
_print_webrtc_aec_error in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_I420ToI422", referenced from:
_conv_from_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_I420Scale", referenced from:
_conv_from_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_WebRtcAec_enable_delay_agnostic", referenced from:
_webrtc_aec_create in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_ARGBToABGR", referenced from:
_conv_from_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_WebRtcNs_Create", referenced from:
_webrtc_aec_create in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_RGB24ToARGB", referenced from:
_conv_to_bgra in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_WelsCreateDecoder", referenced from:
oh264_alloc_codec(pjmedia_vid_codec_factory*, pjmedia_vid_codec_info const*, pjmedia_vid_codec**) in libpjmedia-codec-apple-darwin_ios.a(openh264.o)
oh264_codec_open(pjmedia_vid_codec*, pjmedia_vid_codec_param*) in libpjmedia-codec-apple-darwin_ios.a(openh264.o)
"_I422ToI420", referenced from:
_conv_to_i420 in libpjmedia-apple-darwin_ios.a(converter_libyuv.o)
"_pjmedia_vid_dev_subsys_init", referenced from:
_pjsua_vid_subsys_init in libpjsua-apple-darwin_ios.a(pjsua_vid.o)
"_WebRtcNs_Init", referenced from:
_webrtc_aec_create in libpjmedia-apple-darwin_ios.a(echo_webrtc.o)
"_WelsDestroyDecoder", referenced from:
oh264_alloc_codec(pjmedia_vid_codec_factory*, pjmedia_vid_codec_info const*, pjmedia_vid_codec**) in libpjmedia-codec-apple-darwin_ios.a(openh264.o)
oh264_dealloc_codec(pjmedia_vid_codec_factory*, pjmedia_vid_codec*) in libpjmedia-codec-apple-darwin_ios.a(openh264.o)
ld: symbol(s) not found for architecture arm64

[welljsjs]

Could you format you code by using ` backticks, please?
What version are you working with?