File welle-io-fdk-aac.patch of Package welle-io

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5e0ef762..208ad4e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,10 +24,10 @@ option(AIRSPY            "Compile with Airspy support"           OFF )
 option(RTLSDR            "Compile with RTL-SDR support"          OFF )
 option(SOAPYSDR          "Compile with SoapySDR support"         OFF )
 option(FLAC              "Compile with flac support for streaming" OFF )
+option(FDK_AAC           "Use FDK-AAC instead of FAAD"           OFF )
 
 add_definitions(-Wall)
 add_definitions(-g)
-add_definitions(-DDABLIN_AAC_FAAD2)
 
 if(MINGW)
     add_definitions(-municode)
@@ -94,7 +94,21 @@ if(NOT ANDROID)
         set(fft_sources "")
         set(KISS_INCLUDE_DIRS "")
     endif()
-    find_package(Faad REQUIRED)
+    if (FDK_AAC)
+        find_package(FdkAac REQUIRED)
+        if (FDKAAC_FOUND)
+            add_definitions(-DDABLIN_AAC_FDKAAC)
+            set(AAC_LIBRARIES ${FDKAAC_LIBRARIES})
+            set(AAC_INCLUDE_DIRS ${FDKAAC_INCLUDE_DIRS})
+        endif()
+    else()
+        find_package(Faad REQUIRED)
+        if (FAAD_FOUND)
+            add_definitions(-DDABLIN_AAC_FAAD2)
+            set(AAC_LIBRARIES ${FAAD_LIBRARIES})
+            set(AAC_INCLUDE_DIRS ${FAAD_INCLUDE_DIRS})
+        endif()
+    endif()
     find_package(MPG123 REQUIRED)
 else()
     # For KISSFFT
@@ -141,6 +155,7 @@ else()
     )
 
     # For FAAD
+    add_definitions(-DDABLIN_AAC_FAAD2)
     add_definitions(-DHAVE_CONFIG_H)
     include_directories(
         src/libs/faad2
@@ -215,7 +230,7 @@ include_directories(
     src/libs/fec
     ${FFTW3F_INCLUDE_DIRS}
     ${KISS_INCLUDE_DIRS}
-    ${FAAD_INCLUDE_DIRS}
+    ${AAC_INCLUDE_DIRS}
     ${LIBRTLSDR_INCLUDE_DIRS}
     ${SoapySDR_INCLUDE_DIRS}
     ${FLACPP_INCLUDE_DIRS}
@@ -416,7 +431,7 @@ if(BUILD_WELLE_IO)
       ${LIBRTLSDR_LIBRARIES}
       ${LIBAIRSPY_LIBRARIES}
       ${FFTW3F_LIBRARIES}
-      ${FAAD_LIBRARIES}
+      ${AAC_LIBRARIES}
       ${SoapySDR_LIBRARIES}
       ${MPG123_LIBRARIES}
       Threads::Threads
@@ -477,7 +492,7 @@ if(BUILD_WELLE_CLI AND NOT ANDROID)
       ${LIBRTLSDR_LIBRARIES}
       ${LIBAIRSPY_LIBRARIES}
       ${FFTW3F_LIBRARIES}
-      ${FAAD_LIBRARIES}
+      ${AAC_LIBRARIES}
       ${ALSA_LIBRARIES}
       ${LAME_LIBRARIES}
       ${SoapySDR_LIBRARIES}
diff --git a/cmake/Modules/FindFdkAac.cmake b/cmake/Modules/FindFdkAac.cmake
new file mode 100644
index 00000000..12b79243
--- /dev/null
+++ b/cmake/Modules/FindFdkAac.cmake
@@ -0,0 +1,34 @@
+# Try to find FDKAAC library and include path.
+# Once done this will define
+#
+# FDKAAC_INCLUDE_DIRS - where to find faad.h, etc.
+# FDKAAC_LIBRARIES - List of libraries when using libfaad.
+# FDKAAC_FOUND - True if libfaad found.
+
+find_path(FDKAAC_INCLUDE_DIR fdk-aac/aacdecoder_lib.h DOC "The directory where fdk-aac/aacdecoder_lib.h resides")
+find_library(FDKAAC_LIBRARY NAMES fdk-aac DOC "The libfdk-aac library")
+
+if(FDKAAC_INCLUDE_DIR AND FDKAAC_LIBRARY)
+  set(FDKAAC_FOUND 1)
+  set(FDKAAC_LIBRARIES ${FDKAAC_LIBRARY})
+  set(FDKAAC_INCLUDE_DIRS ${FDKAAC_INCLUDE_DIR})
+else(FDKAAC_INCLUDE_DIR AND FDKAAC_LIBRARY)
+  set(FDKAAC_FOUND 0)
+  set(FDKAAC_LIBRARIES)
+  set(FDKAAC_INCLUDE_DIRS)
+endif(FDKAAC_INCLUDE_DIR AND FDKAAC_LIBRARY)
+
+mark_as_advanced(FDKAAC_INCLUDE_DIR)
+mark_as_advanced(FDKAAC_LIBRARY)
+mark_as_advanced(FDKAAC_FOUND)
+
+if(NOT FDKAAC_FOUND)
+  set(FDKAAC_DIR_MESSAGE "libfaad was not found. Make sure FDKAAC_LIBRARY and FDKAAC_INCLUDE_DIR are set.")
+  if(NOT FDKAAC_FIND_QUIETLY)
+    message(STATUS "${FDKAAC_DIR_MESSAGE}")
+  else(NOT FDKAAC_FIND_QUIETLY)
+    if(FDKAAC_FIND_REQUIRED)
+      message(FATAL_ERROR "${FDKAAC_DIR_MESSAGE}")
+    endif(FDKAAC_FIND_REQUIRED)
+  endif(NOT FDKAAC_FIND_QUIETLY)
+endif(NOT FDKAAC_FOUND)
diff --git a/src/backend/subchannel_sink.h b/src/backend/subchannel_sink.h
index 826c9d22..4d234430 100644
--- a/src/backend/subchannel_sink.h
+++ b/src/backend/subchannel_sink.h
@@ -52,6 +52,7 @@ public:
 	virtual void ProcessPAD(const uint8_t* /*xpad_data*/, size_t /*xpad_len*/, bool /*exact_xpad_len*/, const uint8_t* /*fpad_data*/) {}
 
 	virtual void AudioError(const std::string& /*hint*/) {}
+	virtual void AudioWarning(const std::string& /*hint*/) {}
     virtual void ACCFrameError(const unsigned char /* error*/) {}
 	virtual void FECInfo(int /*total_corr_count*/, bool /*uncorr_errors*/) {}
 };