2 files changed, 13 insertions, 3 deletions
diff --git a/third_party/libwebrtc/api/audio_codecs/BUILD.gn b/third_party/libwebrtc/api/audio_codecs/BUILD.gn
index 2719942488..fc02b2d834 100644
--- a/third_party/libwebrtc/api/audio_codecs/BUILD.gn
+++ b/third_party/libwebrtc/api/audio_codecs/BUILD.gn
@@ -42,6 +42,7 @@ rtc_library("audio_codecs_api") {
     "../../rtc_base:refcount",
     "../../rtc_base:sanitizer",
     "../../rtc_base/system:rtc_export",
+    "../units:data_rate",
     "../units:time_delta",
   ]
   absl_deps = [
diff --git a/third_party/libwebrtc/api/audio_codecs/audio_encoder.h b/third_party/libwebrtc/api/audio_codecs/audio_encoder.h
index 7f5a34214f..7b5ee7a866 100644
--- a/third_party/libwebrtc/api/audio_codecs/audio_encoder.h
+++ b/third_party/libwebrtc/api/audio_codecs/audio_encoder.h
@@ -20,6 +20,7 @@
 #include "absl/types/optional.h"
 #include "api/array_view.h"
 #include "api/call/bitrate_allocation.h"
+#include "api/units/data_rate.h"
 #include "api/units/time_delta.h"
 #include "rtc_base/buffer.h"
 
@@ -240,12 +241,20 @@ class AudioEncoder {
   // Get statistics related to audio network adaptation.
   virtual ANAStats GetANAStats() const;
 
-  // The range of frame lengths that are supported or nullopt if there's no sch
-  // information. This is used to calculated the full bitrate range, including
-  // overhead.
+  // The range of frame lengths that are supported or nullopt if there's no such
+  // information. This is used together with the bitrate range to calculate the
+  // full bitrate range, including overhead.
   virtual absl::optional<std::pair<TimeDelta, TimeDelta>> GetFrameLengthRange()
       const = 0;
 
+  // The range of payload bitrates that are supported. This is used together
+  // with the frame length range to calculate the full bitrate range, including
+  // overhead.
+  virtual absl::optional<std::pair<DataRate, DataRate>> GetBitrateRange()
+      const {
+    return absl::nullopt;
+  }
+
   // The maximum number of audio channels supported by WebRTC encoders.
   static constexpr int kMaxNumberOfChannels = 24;