- better checks for RTP packet + enable EVS codec + improve thread pool

src/engine/helper/HL_Rtp.cpp

@@ -52,8 +52,12 @@ bool RtpHelper::isRtp(const void* buffer, size_t length)
     if (length < 12)
         return false;
 
-    unsigned char _type = reinterpret_cast<const RtpHeader*>(buffer)->pt;
-    bool rtp = ( (_type & 0x7F) >= 96 && (_type & 0x7F) <= 127) || ((_type & 0x7F) < 35);
+    const RtpHeader* h = reinterpret_cast<const RtpHeader*>(buffer);
+    if (h->version != 0b10)
+        return false;
+
+    unsigned char pt = h->pt;
+    bool rtp = ( (pt & 0x7F) >= 96 && (pt & 0x7F) <= 127) || ((pt & 0x7F) < 35);
     return rtp;
 }
 
@@ -62,9 +66,8 @@ bool RtpHelper::isRtpOrRtcp(const void* buffer, size_t length)
 {
     if (length < 12)
         return false;
-    unsigned char b = ((const unsigned char*)buffer)[0];
-
-    return (b & 0xC0 ) == 128;
+    const RtcpHeader* h = reinterpret_cast<const RtcpHeader*>(buffer);
+    return h->version == 0b10;
 }
 
 bool RtpHelper::isRtcp(const void* buffer, size_t length)

src/engine/helper/HL_ThreadPool.cpp

@@ -32,6 +32,11 @@ size_t thread_pool::size()
     return this->tasks.size();
 }
 
+size_t thread_pool::threads()
+{
+    return this->workers.size();
+}
+
 // the destructor joins all threads
 thread_pool::~thread_pool()
 {

src/engine/helper/HL_ThreadPool.h

@@ -24,6 +24,8 @@ public:
     void enqueue(const task& task);
     void wait(std::chrono::milliseconds interval = std::chrono::milliseconds(50));
     size_t size();
+    size_t threads();
+
 private:
     // need to keep track of threads so we can join them
     std::vector< std::thread > workers;

src/engine/media/MT_CodecList.cpp

@@ -1,4 +1,4 @@
-/* Copyright(C) 2007-2023 VoIPobjects (voipobjects.com)
+/* Copyright(C) 2007-2025 VoIPobjects (voipobjects.com)
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
@@ -172,14 +172,14 @@ CodecList::Settings::EvsSpec CodecList::Settings::EvsSpec::parse(const std::stri
         if (bandwidth == "nb" || bandwidth == "NB")
             result.mBandwidth = Bandwidth_NB;
         else
-            if (bandwidth == "wb" || bandwidth == "WB")
-                result.mBandwidth = Bandwidth_WB;
-            else
-                if (bandwidth == "swb" || bandwidth == "SWB")
-                    result.mBandwidth = Bandwidth_SWB;
-                else
-                    if (bandwidth == "fb" || bandwidth == "FB")
-                        result.mBandwidth = Bandwidth_FB;
+        if (bandwidth == "wb" || bandwidth == "WB")
+            result.mBandwidth = Bandwidth_WB;
+        else
+        if (bandwidth == "swb" || bandwidth == "SWB")
+            result.mBandwidth = Bandwidth_SWB;
+        else
+        if (bandwidth == "fb" || bandwidth == "FB")
+            result.mBandwidth = Bandwidth_FB;
     }
 
     return result;
@@ -243,33 +243,36 @@ CodecList::Settings CodecList::Settings::parseSdp(const std::list<resip::Codec>&
             r.mOpusSpec.push_back({ptype, samplerate, channels});
         }
         else
-            if (codec_name == "AMR-WB")
+        if (codec_name == "AMR-WB")
+        {
+            int octet_mode = findOctetMode(params.c_str());
+            if (octet_mode != -1)
             {
-                int octet_mode = findOctetMode(params.c_str());
-                if (octet_mode != -1)
-                {
-                    if (octet_mode == 0)
-                        r.mAmrWbPayloadType.insert(ptype);
-                    else
-                        if (octet_mode == 1)
-                            r.mAmrWbOctetPayloadType.insert(ptype);
-                }
-                // std::cout << "AMR-WB parameters: " << params.c_str() << ", found octet-mode: " << octet_mode << std::endl;
+                if (octet_mode == 0)
+                    r.mAmrWbPayloadType.insert(ptype);
+                else
+                if (octet_mode == 1)
+                    r.mAmrWbOctetPayloadType.insert(ptype);
             }
-            else
-                if (codec_name == "AMR")
-                {
-                    int octet_mode = findOctetMode(params.c_str());
-                    if (octet_mode != -1)
-                    {
-                        if (octet_mode == 0)
-                            r.mAmrWbPayloadType.insert(ptype);
-                        else
-                            if (octet_mode == 1)
-                                r.mAmrWbOctetPayloadType.insert(ptype);
-                    }
-                    // std::cout << "AMR parameters: " << params.c_str() << ", found octet-mode: " << octet_mode << std::endl;
-                }
+        }
+        else
+        if (codec_name == "AMR")
+        {
+            int octet_mode = findOctetMode(params.c_str());
+            if (octet_mode != -1)
+            {
+                if (octet_mode == 0)
+                    r.mAmrWbPayloadType.insert(ptype);
+                else
+                if (octet_mode == 1)
+                    r.mAmrWbOctetPayloadType.insert(ptype);
+            }
+        }
+        else
+        if (codec_name == "EVS")
+        {
+            r.mEvsSpec.push_back({ptype});
+        }
     }
     return r;
 }

src/engine/media/MT_CodecList.h

@@ -59,7 +59,7 @@ public:
                 Bandwidth_FB
             };
 
-            Bandwidth mBandwidth = Bandwidth_NB;
+            Bandwidth mBandwidth = Bandwidth_FB;
 
             enum Encoding
             {

src/engine/media/MT_EvsCodec.cpp

@@ -146,8 +146,7 @@ PCodec EVSCodec::EVSFactory::create()
 }
 
 EVSCodec::EVSCodec(): EVSCodec(StreamParameters())
-{
-}
+{}
 
 EVSCodec::EVSCodec(const StreamParameters &sp)
 {