From d8bbc7858622b6d9c278469aab701ca0b609cddf Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 15 May 2024 05:35:49 +0200
Subject: Merging upstream version 126.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../libwebrtc/pc/jsep_session_description.cc       | 36 ++++------------------
 1 file changed, 6 insertions(+), 30 deletions(-)

(limited to 'third_party/libwebrtc/pc/jsep_session_description.cc')

diff --git a/third_party/libwebrtc/pc/jsep_session_description.cc b/third_party/libwebrtc/pc/jsep_session_description.cc
index 885c1eb310..7fae4459ec 100644
--- a/third_party/libwebrtc/pc/jsep_session_description.cc
+++ b/third_party/libwebrtc/pc/jsep_session_description.cc
@@ -26,37 +26,15 @@
 #include "rtc_base/net_helper.h"
 #include "rtc_base/socket_address.h"
 
+using cricket::Candidate;
 using cricket::SessionDescription;
 
 namespace webrtc {
 namespace {
 
-// RFC 5245
-// It is RECOMMENDED that default candidates be chosen based on the
-// likelihood of those candidates to work with the peer that is being
-// contacted.  It is RECOMMENDED that relayed > reflexive > host.
-constexpr int kPreferenceUnknown = 0;
-constexpr int kPreferenceHost = 1;
-constexpr int kPreferenceReflexive = 2;
-constexpr int kPreferenceRelayed = 3;
-
 constexpr char kDummyAddress[] = "0.0.0.0";
 constexpr int kDummyPort = 9;
 
-int GetCandidatePreferenceFromType(const std::string& type) {
-  int preference = kPreferenceUnknown;
-  if (type == cricket::LOCAL_PORT_TYPE) {
-    preference = kPreferenceHost;
-  } else if (type == cricket::STUN_PORT_TYPE) {
-    preference = kPreferenceReflexive;
-  } else if (type == cricket::RELAY_PORT_TYPE) {
-    preference = kPreferenceRelayed;
-  } else {
-    preference = kPreferenceUnknown;
-  }
-  return preference;
-}
-
 // Update the connection address for the MediaContentDescription based on the
 // candidates.
 void UpdateConnectionAddress(
@@ -65,7 +43,7 @@ void UpdateConnectionAddress(
   int port = kDummyPort;
   std::string ip = kDummyAddress;
   std::string hostname;
-  int current_preference = kPreferenceUnknown;
+  int current_preference = 0;  // Start with lowest preference.
   int current_family = AF_UNSPEC;
   for (size_t i = 0; i < candidate_collection.count(); ++i) {
     const IceCandidateInterface* jsep_candidate = candidate_collection.at(i);
@@ -77,8 +55,7 @@ void UpdateConnectionAddress(
     if (jsep_candidate->candidate().protocol() != cricket::UDP_PROTOCOL_NAME) {
       continue;
     }
-    const int preference =
-        GetCandidatePreferenceFromType(jsep_candidate->candidate().type());
+    const int preference = jsep_candidate->candidate().type_preference();
     const int family = jsep_candidate->candidate().address().ipaddr().family();
     // See if this candidate is more preferable then the current one if it's the
     // same family. Or if the current family is IPv4 already so we could safely
@@ -253,7 +230,7 @@ bool JsepSessionDescription::AddCandidate(
     return false;
   }
 
-  cricket::Candidate updated_candidate = candidate->candidate();
+  Candidate updated_candidate = candidate->candidate();
   if (updated_candidate.username().empty()) {
     updated_candidate.set_username(transport_info->description.ice_ufrag);
   }
@@ -278,7 +255,7 @@ bool JsepSessionDescription::AddCandidate(
 }
 
 size_t JsepSessionDescription::RemoveCandidates(
-    const std::vector<cricket::Candidate>& candidates) {
+    const std::vector<Candidate>& candidates) {
   size_t num_removed = 0;
   for (auto& candidate : candidates) {
     int mediasection_index = GetMediasectionIndex(candidate);
@@ -352,8 +329,7 @@ bool JsepSessionDescription::GetMediasectionIndex(
   return true;
 }
 
-int JsepSessionDescription::GetMediasectionIndex(
-    const cricket::Candidate& candidate) {
+int JsepSessionDescription::GetMediasectionIndex(const Candidate& candidate) {
   // Find the description with a matching transport name of the candidate.
   const std::string& transport_name = candidate.transport_name();
   for (size_t i = 0; i < description_->contents().size(); ++i) {
-- 
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