Added empty gstreamer video implementation

GstreamerHelper/GstreamerHelper.vcxproj

@@ -164,6 +164,8 @@
   <ItemGroup>
     <ClInclude Include="GstreamerAudio.h" />
     <ClInclude Include="GstreamerAudioStream.h" />
+    <ClInclude Include="GstreamerVideo.h" />
+    <ClInclude Include="GstreamerVideoStream.h" />
     <ClInclude Include="stdafx.h" />
     <ClInclude Include="targetver.h" />
   </ItemGroup>
@@ -184,6 +186,8 @@
     </ClCompile>
     <ClCompile Include="GstreamerAudio.cpp" />
     <ClCompile Include="GstreamerAudioStream.cpp" />
+    <ClCompile Include="GstreamerVideo.cpp" />
+    <ClCompile Include="GstreamerVideoStream.cpp" />
     <ClCompile Include="stdafx.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='DebugWin|Win32'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='DebugWin|x64'">Create</PrecompiledHeader>

GstreamerHelper/GstreamerHelper.vcxproj.filters

@@ -27,6 +27,12 @@
     <ClInclude Include="GstreamerAudio.h">
       <Filter>Headerdateien</Filter>
     </ClInclude>
+    <ClInclude Include="GstreamerVideo.h">
+      <Filter>Headerdateien</Filter>
+    </ClInclude>
+    <ClInclude Include="GstreamerVideoStream.h">
+      <Filter>Headerdateien</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">
@@ -41,5 +47,11 @@
     <ClCompile Include="GstreamerAudio.cpp">
       <Filter>Quelldateien</Filter>
     </ClCompile>
+    <ClCompile Include="GstreamerVideo.cpp">
+      <Filter>Quelldateien</Filter>
+    </ClCompile>
+    <ClCompile Include="GstreamerVideoStream.cpp">
+      <Filter>Quelldateien</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

GstreamerHelper/GstreamerVideo.cpp

@@ -0,0 +1,133 @@
+#include "stdafx.h"
+#include "GstreamerVideo.h"
+#include "GstreamerVideoStream.h"
+
+map<int, GstreamerVideoStream*> VideoStreams;
+queue<int> VideoIDs;
+
+DllExport void SetVideoLogCallback (LogCallback Callback)
+{
+	Log = Callback;
+}
+
+DllExport bool InitVideo()
+{
+	for(int i = 0; i < 1000; i++)
+	{
+		VideoIDs.push(i);
+	}
+#if _WIN64
+	SetDllDirectory(L".\\x64\\gstreamer");
+#else
+		SetDllDirectory(L".\\x86\gstreamer");
+#endif
+
+	gst_init(NULL, NULL);
+	GstRegistry* registry = gst_registry_get();
+
+#if _WIN64
+	gst_registry_scan_path(registry, ".\\x64\\gstreamer");
+#else
+	gst_registry_scan_path(registry, ".\\x86\\gstreamer");
+#endif
+
+	return true;
+}
+
+DllExport void CloseAllVideos(void)
+{
+  map<int, GstreamerVideoStream*>::iterator p;
+  
+  for(p = VideoStreams.begin(); p != VideoStreams.end(); p++) {
+	  p->second->CloseVideo();
+  }
+}
+
+DllExport int LoadVideo(const wchar_t* Media)
+{
+	GstreamerVideoStream *s = new GstreamerVideoStream(VideoIDs.front());
+	VideoStreams.insert(pair<int, GstreamerVideoStream*> (VideoIDs.front(), s));
+	VideoIDs.pop();
+	return s->LoadVideo(Media);
+}
+
+DllExport bool CloseVideo(int Stream)
+{
+	map<int,GstreamerVideoStream*>::iterator it = VideoStreams.find(Stream);
+	if(it != VideoStreams.end())
+	{
+		return it->second->CloseVideo();
+	}
+	else return false;
+}
+
+DllExport int GetVideoNumStreams()
+{
+	return VideoStreams.size();
+}
+
+DllExport float GetVideoLength(int Stream)
+{
+	map<int,GstreamerVideoStream*>::iterator it = VideoStreams.find(Stream);
+	if(it != VideoStreams.end())
+	{
+		return it->second->GetVideoLength();
+	}
+	else return -1.0;
+}
+
+DllExport UINT8* GetFrame(int Stream, float Time, float &VideoTime)
+{
+	map<int,GstreamerVideoStream*>::iterator it = VideoStreams.find(Stream);
+	if(it != VideoStreams.end())
+	{
+		return it->second->GetFrame(Time, VideoTime);
+	}
+}
+
+DllExport bool Skip(int Stream, float Start, float Gap)
+{
+	map<int,GstreamerVideoStream*>::iterator it = VideoStreams.find(Stream);
+	if(it != VideoStreams.end())
+	{
+		return it->second->Skip(Start, Gap);
+	}
+	else return false;
+}
+
+DllExport void SetVideoLoop(int Stream, bool Loop)
+{
+	map<int,GstreamerVideoStream*>::iterator it = VideoStreams.find(Stream);
+	if(it != VideoStreams.end())
+	{
+		it->second->SetVideoLoop(Loop);
+	}
+}
+
+DllExport void PauseVideo(int Stream)
+{
+	map<int,GstreamerVideoStream*>::iterator it = VideoStreams.find(Stream);
+	if(it != VideoStreams.end())
+	{
+		it->second->PauseVideo();
+	}
+}
+
+DllExport void ResumeVideo(int Stream)
+{
+	map<int,GstreamerVideoStream*>::iterator it = VideoStreams.find(Stream);
+	if(it != VideoStreams.end())
+	{
+		it->second->ResumeVideo();
+	}
+}
+
+DllExport bool Finished(int Stream)
+{
+	map<int,GstreamerVideoStream*>::iterator it = VideoStreams.find(Stream);
+	if(it != VideoStreams.end())
+	{
+		return it->second->Finished();
+	}
+	else return true;
+}

GstreamerHelper/GstreamerVideo.h

@@ -0,0 +1,32 @@
+#pragma once
+#include <string>
+#include <map>
+#include <queue>
+#include "gst/gst.h"
+#define DllExport extern "C" __declspec(dllexport)
+
+using namespace std;
+
+	typedef void (__stdcall * LogCallback)(const char* text);
+	static LogCallback Log;
+
+	DllExport void SetVideoLogCallback(LogCallback Callback);
+
+    DllExport bool InitVideo();
+    DllExport void CloseAllVideos();
+
+    DllExport int LoadVideo(const wchar_t* Media);
+    DllExport bool CloseVideo(int StreamID);
+    DllExport int GetVideoNumStreams();
+
+    DllExport float GetVideoLength(int StreamID);
+	DllExport UINT8* GetFrame(int StreamID, float Time, float &VideoTime);
+    DllExport bool Skip(int StreamID, float Start, float Gap);
+    DllExport void SetVideoLoop(int StreamID, bool Loop);
+    DllExport void PauseVideo(int StreamID);
+	DllExport void ResumeVideo(int StreamID);
+
+    DllExport bool Finished(int StreamID);
+
+	void LogVideoError(const char* msg);
+

GstreamerHelper/GstreamerVideoStream.cpp

@@ -0,0 +1,56 @@
+#include "stdafx.h"
+#include "GstreamerVideoStream.h"
+
+
+GstreamerVideoStream::GstreamerVideoStream(int ID)
+{
+	this->ID = ID;
+}
+
+
+GstreamerVideoStream::~GstreamerVideoStream(void)
+{
+}
+
+int GstreamerVideoStream::LoadVideo(const wchar_t* Filename)
+{
+	return ID;
+}
+
+
+bool GstreamerVideoStream::CloseVideo()
+{
+	return true;
+}
+
+float GstreamerVideoStream::GetVideoLength()
+{
+	return 0.0;
+}
+
+UINT8* GstreamerVideoStream::GetFrame(float Time, float &VideoTime)
+{
+	return 0;
+}
+
+bool GstreamerVideoStream::Skip(float Start, float Gap)
+{
+	return true;
+}
+
+void GstreamerVideoStream::SetVideoLoop(bool Loop)
+{
+}
+
+void GstreamerVideoStream::PauseVideo()
+{
+}
+
+void GstreamerVideoStream::ResumeVideo()
+{
+}
+
+bool GstreamerVideoStream::Finished()
+{
+	return true;
+}

GstreamerHelper/GstreamerVideoStream.h

@@ -0,0 +1,25 @@
+#pragma once
+#include "gst/gst.h"
+	using namespace std;
+class GstreamerVideoStream
+{
+
+public:
+	int ID;
+
+	GstreamerVideoStream(int ID);
+	~GstreamerVideoStream(void);
+
+	int LoadVideo(const wchar_t* VideoFileName);
+    bool CloseVideo();
+
+    float GetVideoLength();
+	UINT8* GetFrame(float Time, float &VideoTime);
+    bool Skip(float Start, float Gap);
+    void SetVideoLoop(bool Loop);
+    void PauseVideo();
+	void ResumeVideo();
+
+    bool Finished();
+};
+