Adding (untested) build option to disable gstreamer video (for raspi).

RetroFE/Source/CMakeLists.txt

@@ -37,8 +37,12 @@ endif()
 endif()
 
 if(WIN32)
+
+if(NOT NO_VIDEO)
 	find_package(Glib2 REQUIRED)
 	find_package(GStreamer REQUIRED)
+endif()
+
 	find_package(SDL2 REQUIRED)
 	find_package(SDL2_image REQUIRED)
 	find_package(SDL2_mixer REQUIRED)
@@ -51,8 +55,12 @@ else()
 	pkg_search_module(SDL2_MIXER REQUIRED SDL2_mixer)
 	pkg_search_module(SDL2_TTF REQUIRED SDL2_ttf)
 	pkg_search_module(ZLIB REQUIRED zlib)
+
+if(NOT NO_VIDEO)
 	pkg_search_module(GSTREAMER REQUIRED gstreamer-1.0 gstbase-1.0)
 	pkg_search_module(Glib2 REQUIRED glib-2.0 gobject-2.0 gthread-2.0 gmodule-2.0)
+endif()
+
 	find_package(Threads REQUIRED)
 endif()
 
@@ -73,8 +81,6 @@ LIST(APPEND RETROFE_INCLUDE_DIRS 	"${DIRENT_INCLUDE_DIR}")
 endif()
 
 set(RETROFE_LIBRARIES
-	${GLIB2_LIBRARIES}
-	${GSTREAMER_LIBRARIES}
 	${SDL2_LIBRARIES}
 	${SDL2_IMAGE_LIBRARIES}
 	${SDL2_MIXER_LIBRARIES}
@@ -82,6 +88,13 @@ set(RETROFE_LIBRARIES
 	${ZLIB_LIBRARIES}
 )
 
+if(NOT NO_VIDEO)
+  list(APPEND RETROFE_LIBRARIES 
+	${GLIB2_LIBRARIES}
+	${GSTREAMER_LIBRARIES}
+	)
+endif()
+
 if(NOT WIN32)
 	LIST(APPEND RETROFE_LIBRARIES ${CMAKE_DL_LIBS} ${CMAKE_THREAD_LIBS_INIT})
 endif()
@@ -122,7 +135,6 @@ set(RETROFE_HEADERS
 	"${RETROFE_DIR}/Source/Utility/Log.h"
 	"${RETROFE_DIR}/Source/Utility/Utils.h"
 	"${RETROFE_DIR}/Source/Video/IVideo.h"
-	"${RETROFE_DIR}/Source/Video/GStreamerVideo.h"
 	"${RETROFE_DIR}/Source/Video/VideoFactory.h"
 	"${RETROFE_DIR}/Source/Graphics/ComponentItemBindingBuilder.h"
 	"${RETROFE_DIR}/Source/Graphics/ViewInfo.h"
@@ -166,7 +178,6 @@ set(RETROFE_SOURCES
 	"${RETROFE_DIR}/Source/Sound/Sound.cpp"
 	"${RETROFE_DIR}/Source/Utility/Log.cpp"
 	"${RETROFE_DIR}/Source/Utility/Utils.cpp"
-	"${RETROFE_DIR}/Source/Video/GStreamerVideo.cpp"
 	"${RETROFE_DIR}/Source/Video/VideoFactory.cpp"
 	"${RETROFE_DIR}/Source/Main.cpp"
 	"${RETROFE_DIR}/Source/RetroFE.cpp"
@@ -175,6 +186,13 @@ set(RETROFE_SOURCES
 	"${SQLITE3_ROOT}/sqlite3.c"
 )
 
+if(NO_VIDEO)
+set(RETROFE_HEADERS ${RETROFE_HEADERS} "${RETROFE_DIR}/Source/Video/NullVideo.h")
+set(RETROFE_SOURCES ${RETROFE_SOURCES} "${RETROFE_DIR}/Source/Video/NullVideo.cpp")
+else()
+set(RETROFE_HEADERS ${RETROFE_HEADERS} "${RETROFE_DIR}/Source/Video/GStreamerVideo.h")
+set(RETROFE_SOURCES ${RETROFE_SOURCES} "${RETROFE_DIR}/Source/Video/GStreamerVideo.cpp")
+endif()
 
 set(EXECUTABLE_OUTPUT_PATH "${RETROFE_DIR}/Build" CACHE PATH "Build directory" FORCE)
 set(LIBRARY_OUTPUT_PATH "${RETROFE_DIR}/Build" CACHE PATH "Build directory" FORCE)
@@ -192,6 +210,9 @@ add_definitions(-DRETROFE_VERSION_MAJOR=${VERSION_MAJOR})
 add_definitions(-DRETROFE_VERSION_MINOR=${VERSION_MINOR})
 add_definitions(-DRETROFE_VERSION_BUILD=${VERSION_BUILD})
 
+if(NO_VIDEO)
+add_definitions(-DNO_VIDEO)
+endif()
 
 if(MSVC)
 	set(CMAKE_DEBUG_POSTFIX "d")

RetroFE/Source/Video/NullVideo.cpp

@@ -0,0 +1,79 @@
+/* This file is part of RetroFE.
+ *
+ * RetroFE is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * RetroFE is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with RetroFE.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "NullVideo.h"
+#include "../Utility/Log.h"
+#include "../SDL.h"
+#include <sstream>
+#include <cstring>
+#include <cstdlib>
+#include <cstdio>
+#include <SDL2/SDL.h>
+
+NullVideo::NullVideo()
+{
+}
+NullVideo::~NullVideo()
+{
+}
+
+void NullVideo::SetNumLoops(int n)
+{
+}
+
+SDL_Texture *NullVideo::GetTexture() const
+{
+    return NULL;
+}
+
+bool NullVideo::Initialize()
+{
+    return true;
+}
+
+bool NullVideo::DeInitialize()
+{
+    return true;
+}
+
+bool NullVideo::Stop()
+{
+    return true;
+}
+
+bool NullVideo::Play(std::string file)
+{
+    return true;
+}
+
+int NullVideo::GetHeight()
+{
+    return 0;
+}
+
+int NullVideo::GetWidth()
+{
+    return 0;
+}
+
+
+void NullVideo::Draw()
+{
+}
+
+void NullVideo::Update(float dt)
+{
+}
+

RetroFE/Source/Video/NullVideo.h

@@ -0,0 +1,36 @@
+/* This file is part of RetroFE.
+ *
+ * RetroFE is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * RetroFE is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with RetroFE.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include "IVideo.h"
+
+class NullVideo : public IVideo
+{
+public:
+    NullVideo();
+    ~NullVideo();
+    bool Initialize();
+    bool Play(std::string file);
+    bool Stop();
+    bool DeInitialize();
+    SDL_Texture *GetTexture() const;
+    void Update(float dt);
+    void Draw();
+    void SetNumLoops(int n);
+    void FreeElements();
+    int GetHeight();
+    int GetWidth();
+};

RetroFE/Source/Video/VideoFactory.cpp

@@ -16,7 +16,12 @@
 
 #include "VideoFactory.h"
 #include "IVideo.h"
+
+#ifdef NO_VIDEO
+#include "NullVideo.h"
+#else 
 #include "GStreamerVideo.h"
+#endif
 
 bool VideoFactory::Enabled = true;
 int VideoFactory::NumLoops = 0;
@@ -27,9 +32,16 @@ IVideo *VideoFactory::CreateVideo()
 
     if(Enabled && !Instance)
     {
+#ifdef NO_VIDEO
+        Instance = new NullVideo();
+#else
         Instance = new GStreamerVideo();
+#endif
         Instance->Initialize();
+
+#ifndef NO_VIDEO
         ((GStreamerVideo *)(Instance))->SetNumLoops(NumLoops);
+#endif
     }
 
     return Instance;