public string Post([FromBody] CoreVideo value)
{
if (value == null)
{
return("503");
}
var result = string.Empty;
var videoString = value.ToString();
//var dataObj = new JsonResult(value.ToString());
try
{
//var coreVideo = JsonConvert.DeserializeObject<CoreVideo>(videoString);
IVideoDataService dataService = new CoreVideoModel();
result = dataService.AddNewData(value);
}
catch (Exception exception)
{
Console.WriteLine(exception);
throw;
}
return(result);
}
public override void RenderPixelBuffer (CoreVideo.CVPixelBuffer destinationPixelBuffer, CoreVideo.CVPixelBuffer foregroundPixelBuffer, CoreVideo.CVPixelBuffer backgroundPixelBuffer, float tween)
{
EAGLContext.SetCurrentContext (CurrentContext);
if (foregroundPixelBuffer == null && backgroundPixelBuffer == null)
return;
var foregroundLumaTexture = LumaTextureForPixelBuffer (foregroundPixelBuffer);
var foregroundChromaTexture = ChromaTextureForPixelBuffer (foregroundPixelBuffer);
var backgroundLumaTexture = LumaTextureForPixelBuffer (backgroundPixelBuffer);
var backgroundChromaTexture = ChromaTextureForPixelBuffer (backgroundPixelBuffer);
var destLumaTexture = LumaTextureForPixelBuffer (destinationPixelBuffer);
var destChromaTexture = ChromaTextureForPixelBuffer (destinationPixelBuffer);
GL.UseProgram (ProgramY);
// Set the render transformq
float[] preferredRenderTransform = {
(float)RenderTransform.xx,(float) RenderTransform.xy, (float)RenderTransform.x0, 0.0f,
(float)RenderTransform.yx, (float)RenderTransform.yy, (float)RenderTransform.y0, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f
};
GL.UniformMatrix4 (Uniforms [(int)Uniform.Y], 1, false, preferredRenderTransform);
GL.BindFramebuffer (FramebufferTarget.Framebuffer, (int)OffscreenBufferHandle);
GL.Viewport (0, 0, (int)destinationPixelBuffer.GetWidthOfPlane (0), (int)destinationPixelBuffer.GetHeightOfPlane (0));
// Y planes of foreground and background frame are used to render the Y plane of the destination frame
GL.ActiveTexture (TextureUnit.Texture0);
GL.BindTexture (foregroundLumaTexture.Target, foregroundLumaTexture.Name);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.ClampToEdge);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.ClampToEdge);
GL.ActiveTexture (TextureUnit.Texture1);
GL.BindTexture (backgroundLumaTexture.Target, backgroundLumaTexture.Name);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.ClampToEdge);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.ClampToEdge);
GL.FramebufferTexture2D (FramebufferTarget.Framebuffer, FramebufferSlot.ColorAttachment0,
destLumaTexture.Target, destLumaTexture.Name, 0);
if (GL.CheckFramebufferStatus (FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete) {
Console.WriteLine ("Failed to make complete frmaebuffer object: " +
GL.CheckFramebufferStatus (FramebufferTarget.Framebuffer).ToString ());
foregroundLumaTexture.Dispose ();
foregroundChromaTexture.Dispose ();
backgroundLumaTexture.Dispose ();
backgroundChromaTexture.Dispose ();
destLumaTexture.Dispose ();
destChromaTexture.Dispose ();
// Periodic texture cache flush every frame
VideoTextureCache.Flush (CoreVideo.CVOptionFlags.None);
EAGLContext.SetCurrentContext (null);
}
GL.ClearColor (0f, 0f, 0f, 1f);
GL.Clear (ClearBufferMask.ColorBufferBit);
float[] quadVertexData1 = {
-1.0f, 1.0f,
1.0f, 1.0f,
-1.0f, -1.0f,
1.0f, -1.0f,
1.0f, -1.0f,
};
// Compute the vertex data for the foreground frame at this instructionLerp
quadVertexCoordinates (ref quadVertexData1, ForegroundTrack, tween);
// texture data varies from 0 -> 1, whereas vertex data varies from -1 -> 1
float[] quadTextureData1 = {
0.5f + quadVertexData1[0] / 2f, 0.5f + quadVertexData1[1] / 2f,
0.5f + quadVertexData1[2] / 2f, 0.5f + quadVertexData1[3] / 2f,
0.5f + quadVertexData1[4] / 2f, 0.5f + quadVertexData1[5] / 2f,
0.5f + quadVertexData1[6] / 2f, 0.5f + quadVertexData1[7] / 2f,
0.5f + quadVertexData1[8] / 2f, 0.5f + quadVertexData1[9] / 2f,
};
GL.Uniform1 (Uniforms [(int)Uniform.Y], 0f);
GL.VertexAttribPointer<float> ((int)Attrib.Vertex_Y, 2, VertexAttribPointerType.Float, false, 0, quadVertexData1);
GL.EnableVertexAttribArray ((int)Attrib.Vertex_Y);
GL.VertexAttribPointer<float> ((int)Attrib.TexCoord_Y, 2, VertexAttribPointerType.Float, false, 0, quadTextureData1);
GL.EnableVertexAttribArray ((int)Attrib.TexCoord_Y);
GL.DrawArrays (BeginMode.TriangleStrip, 0, 5);
float[] quadVertexData2 = {
(float)diagonalEnd2.X, (float)diagonalEnd2.Y,
(float)diagonalEnd1.X, (float)diagonalEnd1.Y,
1.0f, -1.0f,
1.0f, -1.0f,
1.0f, -1.0f,
};
quadVertexCoordinates (ref quadVertexData2, BackgroundTrack, tween);
float[] quadTextureData2 = {
0.5f + quadVertexData2[0] / 2f, 0.5f + quadVertexData2[1] / 2f,
0.5f + quadVertexData2[2] / 2f, 0.5f + quadVertexData2[3] / 2f,
0.5f + quadVertexData2[4] / 2f, 0.5f + quadVertexData2[5] / 2f,
0.5f + quadVertexData2[6] / 2f, 0.5f + quadVertexData2[7] / 2f,
0.5f + quadVertexData2[8] / 2f, 0.5f + quadVertexData2[9] / 2f,
};
GL.Uniform1 (Uniforms [(int)Uniform.Y], 1);
GL.VertexAttribPointer<float> ((int)Attrib.Vertex_Y, 2, VertexAttribPointerType.Float, false, 0, quadVertexData2);
GL.EnableVertexAttribArray ((int)Attrib.Vertex_Y);
GL.VertexAttribPointer<float> ((int)Attrib.TexCoord_Y, 2, VertexAttribPointerType.Float, false, 0, quadTextureData2);
GL.EnableVertexAttribArray ((int)Attrib.TexCoord_Y);
// Draw the background frame
GL.DrawArrays (BeginMode.TriangleStrip, 0, 5);
// Perform similar operations as above for the UV plane
GL.UseProgram (ProgramUV);
GL.UniformMatrix4 (Uniforms [(int)Uniform.Render_Transform_UV], 1, false, preferredRenderTransform);
// UV planes of foreground and background frame are used to render the UV plane of the destination frame
GL.ActiveTexture (TextureUnit.Texture2);
GL.BindTexture (foregroundChromaTexture.Target, foregroundChromaTexture.Name);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.ClampToEdge);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.ClampToEdge);
GL.ActiveTexture (TextureUnit.Texture3);
GL.BindTexture (backgroundChromaTexture.Target, backgroundChromaTexture.Name);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.ClampToEdge);
GL.TexParameter (TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.ClampToEdge);
GL.Viewport (0, 0,(int) destinationPixelBuffer.GetWidthOfPlane (1), (int)destinationPixelBuffer.GetHeightOfPlane (1));
// Attach the destination texture as a color attachment to the off screen frame buffer
GL.FramebufferTexture2D (FramebufferTarget.Framebuffer, FramebufferSlot.ColorAttachment0, destChromaTexture.Target,
destChromaTexture.Name, 0);
if (GL.CheckFramebufferStatus (FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete) {
Console.WriteLine ("Failed to make complete framebuffer object: " +
GL.CheckFramebufferStatus (FramebufferTarget.Framebuffer).ToString ());
foregroundLumaTexture.Dispose ();
foregroundChromaTexture.Dispose ();
backgroundLumaTexture.Dispose ();
backgroundChromaTexture.Dispose ();
destLumaTexture.Dispose ();
destChromaTexture.Dispose ();
// Periodic texture cache flush every frame
VideoTextureCache.Flush (CoreVideo.CVOptionFlags.None);
EAGLContext.SetCurrentContext (null);
}
GL.ClearColor (0f, 0f, 0f, 1f);
GL.Clear (ClearBufferMask.ColorBufferBit);
GL.Uniform1 (Uniforms [(int)Uniform.UV], 2);
GL.VertexAttribPointer<float> ((int)Attrib.Vertex_UV, 2, VertexAttribPointerType.Float, false, 0, quadVertexData1);
GL.EnableVertexAttribArray ((int)Attrib.Vertex_UV);
GL.VertexAttribPointer<float> ((int)Attrib.TexCoord_UV, 2, VertexAttribPointerType.Float, false, 0, quadTextureData1);
GL.EnableVertexAttribArray ((int)Attrib.TexCoord_UV);
GL.DrawArrays (BeginMode.TriangleStrip, 0, 5);
GL.Uniform1 (Uniforms [(int)Uniform.UV], 3);
GL.VertexAttribPointer<float> ((int)Attrib.Vertex_UV, 2, VertexAttribPointerType.Float, false, 0, quadVertexData2);
GL.EnableVertexAttribArray ((int)Attrib.Vertex_UV);
GL.VertexAttribPointer<float> ((int)Attrib.TexCoord_UV, 2, VertexAttribPointerType.Float, false, 0, quadTextureData2);
GL.EnableVertexAttribArray ((int)Attrib.TexCoord_UV);
GL.DrawArrays (BeginMode.TriangleStrip, 0, 5);
GL.Flush ();
foregroundLumaTexture.Dispose ();
foregroundChromaTexture.Dispose ();
backgroundLumaTexture.Dispose ();
backgroundChromaTexture.Dispose ();
destLumaTexture.Dispose ();
destChromaTexture.Dispose ();
// Periodic texture cache flush every frame
VideoTextureCache.Flush (CoreVideo.CVOptionFlags.None);
EAGLContext.SetCurrentContext (null);
}
