private static void InitObs()
{
try
{
Debug.WriteLine("libobs version: " + Obs.GetVersion());
// forward OBS logging messages to debugger
Obs.SetLogHandler((lvl, msg, p) =>
{
Debug.WriteLine(msg);
});
if (!Obs.Startup("en-US"))
throw new ApplicationException("Startup failed.");
// initialize video
libobs.obs_video_info ovi = new libobs.obs_video_info
{
adapter = 0,
base_width = (uint)MainWidth,
base_height = (uint)MainHeight,
fps_num = 30000,
fps_den = 1001,
graphics_module = "libobs-d3d11",
output_format = libobs.video_format.VIDEO_FORMAT_RGBA,
output_width = (uint)MainWidth,
output_height = (uint)MainHeight,
};
if (!Obs.ResetVideo(ovi))
throw new ApplicationException("ResetVideo failed.");
// initialize audio
libobs.obs_audio_info avi = new libobs.obs_audio_info
{
samples_per_sec = 44100,
speakers = libobs.speaker_layout.SPEAKERS_STEREO,
//buffer_ms = 1000
};
if (!Obs.ResetAudio(avi))
throw new ApplicationException("ResetAudio failed.");
// load all plugins and modules
Obs.LoadAllModules();
}
catch (BadImageFormatException exp)
{
MessageBox.Show("Platform target mismatch: "
+ (Environment.Is64BitProcess
? "Loading 32-bit OBS with 64-bit executable is not supported."
: "Loading 64-bit OBS with 32-bit executable is not supported.")
+ "\n\n" + exp.Message,
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
}
}
private void RenderPreview(IntPtr data, uint cx, uint cy)
{
libobs.obs_video_info ovi = Obs.GetVideoInfo();
int newW = (int)cx;
int newH = (int)cy;
uint baseWidth = ovi.base_width;
uint baseHeight = ovi.base_height;
float previewAspect = (float)cx / cy;
float baseAspect = (float)baseWidth / baseHeight;
//calculate new width and height for source to make it fit inside the preview area
if (previewAspect > baseAspect)
{
newW = (int)(cy * baseAspect);
}
else
{
newH = (int)(cx / baseAspect);
}
int centerX = ((int)cx - newW) / 2;
int centerY = ((int)cy - newH) / 2;
previewScale = (float)newW / baseWidth;
GS.ViewportPush();
GS.ProjectionPush();
//setup orthographic projection of the whole scene to be presented on viewport
GS.Ortho(0.0f, baseWidth, 0.0f, baseHeight, -100.0f, 100.0f);
GS.SetViewport(centerX, centerY, newW, newH);
//draw scene background
ClearBackground(baseWidth, baseHeight);
//render all visible sources
Obs.RenderMainView();
//calculate bottom-right corner on scene space
int right = (int)cx - centerX;
int bottom = (int)cy - centerY;
//ortho for the outer area which would normally not appear on scene
GS.Ortho(-centerX, right, -centerY, bottom, -100.0f, 100.0f);
GS.ResetViewport();
//render editing overlays
RenderSceneEditing(data);
GS.ProjectionPop();
GS.ViewportPop();
GS.LoadVertexBuffer(null);
}
private Vector2 GetPositionInScene(Vector2 position)
{
libobs.obs_video_info ovi = Obs.GetVideoInfo();
int baseWidth = (int)ovi.base_width;
int baseHeight = (int)ovi.base_height;
int scaledWidth = (int)(Width / previewScale);
int scaledHeight = (int)(Height / previewScale);
int left = (scaledWidth - baseWidth) / 2;
int top = (scaledHeight - baseHeight) / 2;
return(new Vector2((int)((position.x / previewScale) - left), (int)((position.y / previewScale) - top)));
}
private static void InitObs()
{
try
{
Debug.WriteLine("libobs version: " + Obs.GetVersion());
// forward OBS logging messages to debugger
Obs.SetLogHandler((lvl, msg, p) =>
{
Debug.WriteLine(msg);
});
if (!Obs.Startup("en-US"))
{
throw new ApplicationException("Startup failed.");
}
// initialize video
libobs.obs_video_info ovi = new libobs.obs_video_info
{
adapter = 0,
base_width = (uint)MainWidth,
base_height = (uint)MainHeight,
fps_num = 30000,
fps_den = 1001,
graphics_module = "libobs-d3d11",
output_format = libobs.video_format.VIDEO_FORMAT_RGBA,
output_width = (uint)MainWidth,
output_height = (uint)MainHeight,
};
if (!Obs.ResetVideo(ovi))
{
throw new ApplicationException("ResetVideo failed.");
}
// initialize audio
libobs.obs_audio_info avi = new libobs.obs_audio_info
{
samples_per_sec = 44100,
speakers = libobs.speaker_layout.SPEAKERS_STEREO,
//buffer_ms = 1000
};
if (!Obs.ResetAudio(avi))
{
throw new ApplicationException("ResetAudio failed.");
}
// load all plugins and modules
Obs.LoadAllModules();
}
catch (BadImageFormatException exp)
{
MessageBox.Show("Platform target mismatch: "
+ (FX35Helper.Is64BitProcess()
? "Loading 32-bit OBS with 64-bit executable is not supported."
: "Loading 64-bit OBS with 32-bit executable is not supported.")
+ "\n\n" + exp.Message,
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
}
}
public static libobs.obs_video_info GetVideoInfo()
{
libobs.obs_video_info ovi = new libobs.obs_video_info();
bool ret = libobs.obs_get_video_info(ref ovi);
if (!ret)
throw new ApplicationException("obs_get_video_info failed");
return ovi;
}
