G722 implementation of the AudioEncoderFactoryTemplate API

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 9f37fe6dd08065bd610014de22e8711d25108869..b6583ce92adb295ce88deecc6c3d598e3ddaad41 100644
--- a/webrtc/modules/audio_coding/codecs/g722/audio_encoder_g722.h
+++ b/webrtc/modules/audio_coding/codecs/g722/audio_encoder_g722.h
@@ -14,6 +14,7 @@
 #include <memory>
 
 #include "webrtc/api/audio_codecs/audio_encoder.h"
+#include "webrtc/api/audio_codecs/audio_encoder_g722_config.h"
 #include "webrtc/api/audio_codecs/audio_format.h"
 #include "webrtc/base/buffer.h"
 #include "webrtc/base/constructormagic.h"
@@ -25,15 +26,10 @@ struct CodecInst;
 
 class AudioEncoderG722 final : public AudioEncoder {
  public:
-  struct Config {
-    bool IsOk() const;
-
-    int payload_type = 9;
-    int frame_size_ms = 20;
-    size_t num_channels = 1;
-  };
+  static rtc::Optional<AudioEncoderG722Config> SdpToConfig(
+      const SdpAudioFormat& format);
 
-  explicit AudioEncoderG722(const Config& config);
+  AudioEncoderG722(const AudioEncoderG722Config& config, int payload_type);
   explicit AudioEncoderG722(const CodecInst& codec_inst);
   AudioEncoderG722(int payload_type, const SdpAudioFormat& format);
   ~AudioEncoderG722() override;