Opus implementation of the AudioEncoderFactoryTemplate API

webrtc/modules/audio_coding/BUILD.gn

Index: webrtc/modules/audio_coding/BUILD.gn
diff --git a/webrtc/modules/audio_coding/BUILD.gn b/webrtc/modules/audio_coding/BUILD.gn
index 30460ba203d4093c248776f8c3e29b20b166350e..1aa4031a4c06649cd3ee5b44f24c0bd8cac58efe 100644
--- a/webrtc/modules/audio_coding/BUILD.gn
+++ b/webrtc/modules/audio_coding/BUILD.gn
@@ -829,6 +829,7 @@ rtc_static_library("webrtc_opus") {
     ":audio_network_adaptor",
     "../..:webrtc_common",
     "../../api/audio_codecs:audio_codecs_api",
+    "../../api/audio_codecs/opus:audio_encoder_opus_config",
     "../../base:protobuf_utils",
     "../../base:rtc_base_approved",
     "../../base:rtc_numerics",
@@ -840,11 +841,6 @@ rtc_static_library("webrtc_opus") {
   ]
 
   defines = audio_codec_defines
-  if (rtc_opus_variable_complexity) {
-    defines += [ "WEBRTC_OPUS_VARIABLE_COMPLEXITY=1" ]
-  } else {
-    defines += [ "WEBRTC_OPUS_VARIABLE_COMPLEXITY=0" ]
-  }
 
   if (rtc_build_opus) {
     public_deps += [ rtc_opus_dir ]
@@ -1485,6 +1481,7 @@ if (rtc_include_tests) {
       ":neteq",
       ":neteq_tools",
       "../../api/audio_codecs:audio_codecs_api",
+      "../../api/audio_codecs/opus:audio_encoder_opus",
       "../../base:protobuf_utils",
       "../../common_audio",
       "../../test:test_main",