Pass SdpAudioFormat through Channel, without converting to CodecInst

webrtc/modules/audio_coding/codecs/audio_format.cc

Index: webrtc/modules/audio_coding/codecs/audio_format.cc
diff --git a/webrtc/modules/audio_coding/codecs/audio_format.cc b/webrtc/modules/audio_coding/codecs/audio_format.cc
index ebd7cb030b4fdbcec19eaef2cbc09cff856ec376..6642df2e7758135b3f5e14d57da4271eb74e58ad 100644
--- a/webrtc/modules/audio_coding/codecs/audio_format.cc
+++ b/webrtc/modules/audio_coding/codecs/audio_format.cc
@@ -22,6 +22,11 @@ SdpAudioFormat::SdpAudioFormat(const char* name,
                                int num_channels)
     : name(name), clockrate_hz(clockrate_hz), num_channels(num_channels) {}
 
+SdpAudioFormat::SdpAudioFormat(const std::string& name,
+                               int clockrate_hz,
+                               int num_channels)
+    : name(name), clockrate_hz(clockrate_hz), num_channels(num_channels) {}
+
 SdpAudioFormat::SdpAudioFormat(const char* name,
                                int clockrate_hz,
                                int num_channels,
@@ -31,6 +36,15 @@ SdpAudioFormat::SdpAudioFormat(const char* name,
       num_channels(num_channels),
       parameters(std::move(param)) {}
 
+SdpAudioFormat::SdpAudioFormat(const std::string& name,
+                               int clockrate_hz,
+                               int num_channels,
+                               Parameters&& param)
+    : name(name),
+      clockrate_hz(clockrate_hz),
+      num_channels(num_channels),
+      parameters(std::move(param)) {}
+
 SdpAudioFormat::~SdpAudioFormat() = default;
 SdpAudioFormat& SdpAudioFormat::operator=(const SdpAudioFormat&) = default;
 SdpAudioFormat& SdpAudioFormat::operator=(SdpAudioFormat&&) = default;