directx

I've been researching all day and not gotten very far. I'm on windows 7, using directx 11. (My final output is to be a frame of video onto a DX11 texture) I want to decode some very large H.264 video files, and the CPU (using libav) doesn't cut it. I've looked at the hwaccel capabilities of libav using DXVA2, but hit a road block when I need to create a IDirectXVideoDecoder, which can only be created with a D3D9 interface. (which I don't have using DX11) Whenever I've looked up DXVA documentation, it doesn't reference DX11, was this removed in DX10 or 11? (Can't find any confirmation of this,

I am writing a screen capture application. I used the code mentioned on this link for the application. Following is my entire code for your reference: // WangsNotesScrCapt2.cpp : Defines the entry point for the application. // #include "stdafx.h" #include "WangsNotesScrCapt2.h" //include d3d library #include <d3d9.h> #include <d3dx9tex.h> #include <dinput.h> //link d3d library #pragma comment (lib, "d3d9.lib") #pragma comment (lib, "D3dx9.lib") #define MAX_LOADSTRING 100 #define WM_KEYDOWN 0x0100 // Global Variables: HINSTANCE hInst; // current instance TCHAR szTitle[MAX_LOADSTRING]; // The

I have to insert a directx control to a firebreath plug in for a browser. Can anyone post a sample how to do it? I have no knowledge in plugins... 10x I don't have an example that I can give you, but I can tell you roughly what you need to do. First, read this: http://colonelpanic.net/2010/11/firebreath-tips-drawing-on-windows/ That will give you an overview of how drawing works in FireBreath. First, you set everything up when handling AttachedEvent. Create a new thread to handle drawing (your DirectX drawing must not be on the main thread) Get the HWND from the PluginWindowWin object (cast

I have two questions. (I marked 1, 2 below) In OpenGl, the clipping is done by sutherland-hodgman. However, I wonder how to work sutherland-hodgman algorithm in homogeneous system (4D) I made a situation. In VCS, there is a line, R= (0, 3, -2, 1), S = (0, 0, 1, 1) (End points of the line) And a frustum is right = 1, left = -1, near = 1, far = 3, top = 4, bottom = -4 Therefore, the projection matrix P is 1 0 0 0 0 1/4 0 0 0 0 -2 -3 0 0 -1 0 If we calculate the line with the P, then the each end points is like that R' = (0, 3/4, 1, 2), S' = (0, 0, -5, -1) I know that perspective division should

I asked how to take the screen shot in DirectX and "Use GetFrontBufferData()" was answered. However, "This function is very slow, by design, and should not be used in any performance-critical path" was described at MSDN . When I asked other persons the measure, "Transfer the data of a back buffer to the system memory" was answered. But, I was not able to find a concrete method. This is an example of failure. Please let me know the right code. #include <stdio.h> #include <Windows.h> #include <d3d9.h> #include <d3dx9tex.h> void main() { CoInitialize(NULL); HWND hwnd = GetDesktopWindow();

I was looking at the tutorials in DirectX SDK. Tutorial 5 works fine, but after I have copied and separated the code to my own classes, I got strange error during launching my application. The line is: g_World1 = XMMatrixIdentity(); Because of it, I got error in xnamathmatrix.int operator= which looks like that: XMFINLINE _XMMATRIX& _XMMATRIX::operator= ( CONST _XMMATRIX& M ) { r[0] = M.r[0]; r[1] = M.r[1]; r[2] = M.r[2]; r[3] = M.r[3]; return *this; } And the error message is: Access violation reading location 0xffffffff I have read somewhere that it could be caused by something connected to