AudioCodingModuleImpl: Stop failing artificially for non-Opus encoders

webrtc/modules/audio_coding/acm2/audio_coding_module_impl.cc

Index: webrtc/modules/audio_coding/acm2/audio_coding_module_impl.cc
diff --git a/webrtc/modules/audio_coding/acm2/audio_coding_module_impl.cc b/webrtc/modules/audio_coding/acm2/audio_coding_module_impl.cc
index ac4571257f8ab11210cae382db44993e5d5f37fe..7166da3bc97e916f28263e1ab00730c103972eaf 100644
--- a/webrtc/modules/audio_coding/acm2/audio_coding_module_impl.cc
+++ b/webrtc/modules/audio_coding/acm2/audio_coding_module_impl.cc
@@ -740,8 +740,6 @@ int AudioCodingModuleImpl::SetOpusApplication(OpusApplicationMode application) {
   if (!HaveValidEncoder("SetOpusApplication")) {
     return -1;
   }
-  if (!codec_manager_.CurrentEncoderIsOpus())
-    return -1;
   AudioEncoder::Application app;
   switch (application) {
     case kVoip:
@@ -763,8 +761,6 @@ int AudioCodingModuleImpl::SetOpusMaxPlaybackRate(int frequency_hz) {
   if (!HaveValidEncoder("SetOpusMaxPlaybackRate")) {
     return -1;
   }
-  if (!codec_manager_.CurrentEncoderIsOpus())
-    return -1;
   rent_a_codec_.GetEncoderStack()->SetMaxPlaybackRate(frequency_hz);
   return 0;
 }
@@ -774,8 +770,6 @@ int AudioCodingModuleImpl::EnableOpusDtx() {
   if (!HaveValidEncoder("EnableOpusDtx")) {
     return -1;
   }
-  if (!codec_manager_.CurrentEncoderIsOpus())
-    return -1;
   return rent_a_codec_.GetEncoderStack()->SetDtx(true) ? 0 : -1;
 }
 
@@ -784,8 +778,6 @@ int AudioCodingModuleImpl::DisableOpusDtx() {
   if (!HaveValidEncoder("DisableOpusDtx")) {
     return -1;
   }
-  if (!codec_manager_.CurrentEncoderIsOpus())
-    return -1;
   return rent_a_codec_.GetEncoderStack()->SetDtx(false) ? 0 : -1;
 }