Enable fake video output only in debug builds

CMakeLists.txt

@@ -4,7 +4,6 @@ cmake_minimum_required(VERSION 3.1)
 SET(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 
 aux_source_directory(./src SRC_LIST)
-list(APPEND SRC_LIST ./src/video/fake.c)
 
 aux_source_directory(./third_party/moonlight-common-c/limelight-common SRC_LIST)
 aux_source_directory(./third_party/moonlight-common-c/limelight-common/OpenAES SRC_LIST)
@@ -33,6 +32,13 @@ if(CEC_FOUND)
   list(APPEND MOONLIGHT_DEFINITIONS HAVE_LIBCEC)
 endif()
 
+if(CMAKE_BUILD_TYPE MATCHES Debug)
+  list(APPEND SRC_LIST ./src/video/fake.c)
+  list(APPEND MOONLIGHT_DEFINITIONS HAVE_FAKE)
+elseif(NOT BROADCOM_FOUND AND NOT FREESCALE_FOUND)
+  message(FATAL_ERROR "No video output available")
+endif()
+
 if(BROADCOM_FOUND)
   aux_source_directory(./third_party/ilclient SRC_LIST)
   aux_source_directory(./third_party/h264bitstream SRC_LIST)

src/video.c

@@ -25,13 +25,16 @@
 
 #include <dlfcn.h>
 #include <stdlib.h>
+#include <stdio.h>
 
 DECODER_RENDERER_CALLBACKS *decoder_callbacks;
 
 static int decoder_level;
 
 void video_init() {
+  #ifdef HAVE_FAKE
   decoder_callbacks = &decoder_callbacks_fake;
+  #endif
   #ifdef HAVE_IMX
   if (dlsym(RTLD_DEFAULT, "vpu_Init") != NULL && video_imx_init()) {
     decoder_callbacks = &decoder_callbacks_imx;
@@ -42,4 +45,8 @@ void video_init() {
     decoder_callbacks = &decoder_callbacks_omx;
   }
   #endif
+  if (decoder_callbacks == NULL) {
+    fprintf(stderr, "No video output available\n");
+    exit(EXIT_FAILURE);
+  }
 }