Injectable audio encoders: BuiltinAudioEncoderFactory

webrtc/modules/audio_coding/codecs/g722/audio_encoder_g722.h

Index: webrtc/modules/audio_coding/codecs/g722/audio_encoder_g722.h
diff --git a/webrtc/modules/audio_coding/codecs/g722/audio_encoder_g722.h b/webrtc/modules/audio_coding/codecs/g722/audio_encoder_g722.h
index ad49a865e2556e7dd7f21ba09f8051dc88b33316..33900ffb6ad098f55273ea9f475c0302b52caaa7 100644
--- a/webrtc/modules/audio_coding/codecs/g722/audio_encoder_g722.h
+++ b/webrtc/modules/audio_coding/codecs/g722/audio_encoder_g722.h
@@ -13,6 +13,7 @@
 
 #include <memory>
 
+#include "webrtc/api/audio_codecs/audio_format.h"
 #include "webrtc/base/buffer.h"
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/modules/audio_coding/codecs/audio_encoder.h"
@@ -34,8 +35,13 @@ class AudioEncoderG722 final : public AudioEncoder {
 
   explicit AudioEncoderG722(const Config& config);
   explicit AudioEncoderG722(const CodecInst& codec_inst);
+  explicit AudioEncoderG722(int payload_type, const SdpAudioFormat& format);
   ~AudioEncoderG722() override;
 
+  static constexpr const char* GetPayloadName() { return "G722"; }
+  static rtc::Optional<AudioFormatInfo> QueryAudioFormat(
+      const SdpAudioFormat& format);
+
   int SampleRateHz() const override;
   size_t NumChannels() const override;
   int RtpTimestampRateHz() const override;