* #9979: codecs: fixed unused variable warnings

daemon/src/audio/codecs/g722.cpp

@@ -57,7 +57,7 @@ class G722 : public sfl::AudioCodec {
             return g722_decode(dst, src, buf_size);
         }
 
-        virtual int encode(unsigned char *dst, SFLDataFormat *src, size_t buf_size)
+        virtual int encode(unsigned char *dst, SFLDataFormat *src, size_t /*buf_size*/)
         {
             int out = g722_encode(dst, src, frameSize_);
             return out;

daemon/src/audio/codecs/gsmcodec.cpp

@@ -67,7 +67,7 @@ class Gsm : public sfl::AudioCodec {
             gsm_destroy(encode_gsmhandle_);
         }
 
-        virtual int decode(SFLDataFormat * dst, unsigned char * src, size_t buf_size)
+        virtual int decode(SFLDataFormat * dst, unsigned char * src, size_t /*buf_size*/)
         {
             if (gsm_decode(decode_gsmhandle_, (gsm_byte*) src, (gsm_signal*) dst) < 0)
                 throw std::runtime_error("ERROR: gsm_decode\n");
@@ -75,7 +75,7 @@ class Gsm : public sfl::AudioCodec {
             return frameSize_;
         }
 
-        virtual int encode(unsigned char * dst, SFLDataFormat * src, size_t buf_size)
+        virtual int encode(unsigned char * dst, SFLDataFormat * src, size_t /*buf_size*/)
         {
             gsm_encode(encode_gsmhandle_, (gsm_signal*) src, (gsm_byte*) dst);
             return 33;