diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/windx5/SDL_dx5yuv.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/windx5/SDL_dx5yuv.c | 295 |
1 files changed, 0 insertions, 295 deletions
diff --git a/distrib/sdl-1.2.12/src/video/windx5/SDL_dx5yuv.c b/distrib/sdl-1.2.12/src/video/windx5/SDL_dx5yuv.c deleted file mode 100644 index 2457dac..0000000 --- a/distrib/sdl-1.2.12/src/video/windx5/SDL_dx5yuv.c +++ /dev/null @@ -1,295 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* This is the DirectDraw implementation of YUV video overlays */ - -#include "SDL_video.h" -#include "SDL_dx5yuv_c.h" -#include "../SDL_yuvfuncs.h" - -//#define USE_DIRECTX_OVERLAY - -/* The functions used to manipulate software video overlays */ -static struct private_yuvhwfuncs dx5_yuvfuncs = { - DX5_LockYUVOverlay, - DX5_UnlockYUVOverlay, - DX5_DisplayYUVOverlay, - DX5_FreeYUVOverlay -}; - -struct private_yuvhwdata { - LPDIRECTDRAWSURFACE3 surface; - - /* These are just so we don't have to allocate them separately */ - Uint16 pitches[3]; - Uint8 *planes[3]; -}; - - -static LPDIRECTDRAWSURFACE3 CreateYUVSurface(_THIS, - int width, int height, Uint32 format) -{ - HRESULT result; - LPDIRECTDRAWSURFACE dd_surface1; - LPDIRECTDRAWSURFACE3 dd_surface3; - DDSURFACEDESC ddsd; - - /* Set up the surface description */ - SDL_memset(&ddsd, 0, sizeof(ddsd)); - ddsd.dwSize = sizeof(ddsd); - ddsd.dwFlags = (DDSD_WIDTH|DDSD_HEIGHT|DDSD_CAPS|DDSD_PIXELFORMAT); - ddsd.dwWidth = width; - ddsd.dwHeight= height; -#ifdef USE_DIRECTX_OVERLAY - ddsd.ddsCaps.dwCaps = (DDSCAPS_OVERLAY|DDSCAPS_VIDEOMEMORY); -#else - ddsd.ddsCaps.dwCaps = (DDSCAPS_OFFSCREENPLAIN|DDSCAPS_VIDEOMEMORY); -#endif - ddsd.ddpfPixelFormat.dwSize = sizeof(ddsd.ddpfPixelFormat); - ddsd.ddpfPixelFormat.dwFlags = DDPF_FOURCC; - ddsd.ddpfPixelFormat.dwFourCC = format; - - /* Create the DirectDraw video surface */ - result = IDirectDraw2_CreateSurface(ddraw2, &ddsd, &dd_surface1, NULL); - if ( result != DD_OK ) { - SetDDerror("DirectDraw2::CreateSurface", result); - return(NULL); - } - result = IDirectDrawSurface_QueryInterface(dd_surface1, - &IID_IDirectDrawSurface3, (LPVOID *)&dd_surface3); - IDirectDrawSurface_Release(dd_surface1); - if ( result != DD_OK ) { - SetDDerror("DirectDrawSurface::QueryInterface", result); - return(NULL); - } - - /* Make sure the surface format was set properly */ - SDL_memset(&ddsd, 0, sizeof(ddsd)); - ddsd.dwSize = sizeof(ddsd); - result = IDirectDrawSurface3_Lock(dd_surface3, NULL, - &ddsd, DDLOCK_NOSYSLOCK, NULL); - if ( result != DD_OK ) { - SetDDerror("DirectDrawSurface3::Lock", result); - IDirectDrawSurface_Release(dd_surface3); - return(NULL); - } - IDirectDrawSurface3_Unlock(dd_surface3, NULL); - - if ( !(ddsd.ddpfPixelFormat.dwFlags & DDPF_FOURCC) || - (ddsd.ddpfPixelFormat.dwFourCC != format) ) { - SDL_SetError("DDraw didn't use requested FourCC format"); - IDirectDrawSurface_Release(dd_surface3); - return(NULL); - } - - /* We're ready to go! */ - return(dd_surface3); -} - -#ifdef DEBUG_YUV -static char *PrintFOURCC(Uint32 code) -{ - static char buf[5]; - - buf[3] = code >> 24; - buf[2] = (code >> 16) & 0xFF; - buf[1] = (code >> 8) & 0xFF; - buf[0] = (code & 0xFF); - return(buf); -} -#endif - -SDL_Overlay *DX5_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display) -{ - SDL_Overlay *overlay; - struct private_yuvhwdata *hwdata; - -#ifdef DEBUG_YUV - DWORD numcodes; - DWORD *codes; - - printf("FOURCC format requested: 0x%x\n", PrintFOURCC(format)); - IDirectDraw2_GetFourCCCodes(ddraw2, &numcodes, NULL); - if ( numcodes ) { - DWORD i; - codes = SDL_malloc(numcodes*sizeof(*codes)); - if ( codes ) { - IDirectDraw2_GetFourCCCodes(ddraw2, &numcodes, codes); - for ( i=0; i<numcodes; ++i ) { - fprintf(stderr, "Code %d: 0x%x\n", i, PrintFOURCC(codes[i])); - } - SDL_free(codes); - } - } else { - fprintf(stderr, "No FOURCC codes supported\n"); - } -#endif - - /* Create the overlay structure */ - overlay = (SDL_Overlay *)SDL_malloc(sizeof *overlay); - if ( overlay == NULL ) { - SDL_OutOfMemory(); - return(NULL); - } - SDL_memset(overlay, 0, (sizeof *overlay)); - - /* Fill in the basic members */ - overlay->format = format; - overlay->w = width; - overlay->h = height; - - /* Set up the YUV surface function structure */ - overlay->hwfuncs = &dx5_yuvfuncs; - - /* Create the pixel data and lookup tables */ - hwdata = (struct private_yuvhwdata *)SDL_malloc(sizeof *hwdata); - overlay->hwdata = hwdata; - if ( hwdata == NULL ) { - SDL_OutOfMemory(); - SDL_FreeYUVOverlay(overlay); - return(NULL); - } - hwdata->surface = CreateYUVSurface(this, width, height, format); - if ( hwdata->surface == NULL ) { - SDL_FreeYUVOverlay(overlay); - return(NULL); - } - overlay->hw_overlay = 1; - - /* Set up the plane pointers */ - overlay->pitches = hwdata->pitches; - overlay->pixels = hwdata->planes; - switch (format) { - case SDL_YV12_OVERLAY: - case SDL_IYUV_OVERLAY: - overlay->planes = 3; - break; - default: - overlay->planes = 1; - break; - } - - /* We're all done.. */ - return(overlay); -} - -int DX5_LockYUVOverlay(_THIS, SDL_Overlay *overlay) -{ - HRESULT result; - LPDIRECTDRAWSURFACE3 surface; - DDSURFACEDESC ddsd; - - surface = overlay->hwdata->surface; - SDL_memset(&ddsd, 0, sizeof(ddsd)); - ddsd.dwSize = sizeof(ddsd); - result = IDirectDrawSurface3_Lock(surface, NULL, - &ddsd, DDLOCK_NOSYSLOCK, NULL); - if ( result == DDERR_SURFACELOST ) { - result = IDirectDrawSurface3_Restore(surface); - result = IDirectDrawSurface3_Lock(surface, NULL, &ddsd, - (DDLOCK_NOSYSLOCK|DDLOCK_WAIT), NULL); - } - if ( result != DD_OK ) { - SetDDerror("DirectDrawSurface3::Lock", result); - return(-1); - } - - /* Find the pitch and offset values for the overlay */ -#if defined(NONAMELESSUNION) - overlay->pitches[0] = (Uint16)ddsd.u1.lPitch; -#else - overlay->pitches[0] = (Uint16)ddsd.lPitch; -#endif - overlay->pixels[0] = (Uint8 *)ddsd.lpSurface; - switch (overlay->format) { - case SDL_YV12_OVERLAY: - case SDL_IYUV_OVERLAY: - /* Add the two extra planes */ - overlay->pitches[1] = overlay->pitches[0] / 2; - overlay->pitches[2] = overlay->pitches[0] / 2; - overlay->pixels[1] = overlay->pixels[0] + - overlay->pitches[0] * overlay->h; - overlay->pixels[2] = overlay->pixels[1] + - overlay->pitches[1] * overlay->h / 2; - break; - default: - /* Only one plane, no worries */ - break; - } - return(0); -} - -void DX5_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay) -{ - LPDIRECTDRAWSURFACE3 surface; - - surface = overlay->hwdata->surface; - IDirectDrawSurface3_Unlock(surface, NULL); -} - -int DX5_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *src, SDL_Rect *dst) -{ - HRESULT result; - LPDIRECTDRAWSURFACE3 surface; - RECT srcrect, dstrect; - - surface = overlay->hwdata->surface; - srcrect.top = src->y; - srcrect.bottom = srcrect.top+src->h; - srcrect.left = src->x; - srcrect.right = srcrect.left+src->w; - dstrect.top = SDL_bounds.top+dst->y; - dstrect.left = SDL_bounds.left+dst->x; - dstrect.bottom = dstrect.top+dst->h; - dstrect.right = dstrect.left+dst->w; -#ifdef USE_DIRECTX_OVERLAY - result = IDirectDrawSurface3_UpdateOverlay(surface, &srcrect, - SDL_primary, &dstrect, DDOVER_SHOW, NULL); - if ( result != DD_OK ) { - SetDDerror("DirectDrawSurface3::UpdateOverlay", result); - return(-1); - } -#else - result = IDirectDrawSurface3_Blt(SDL_primary, &dstrect, surface, &srcrect, - DDBLT_WAIT, NULL); - if ( result != DD_OK ) { - SetDDerror("DirectDrawSurface3::Blt", result); - return(-1); - } -#endif - return(0); -} - -void DX5_FreeYUVOverlay(_THIS, SDL_Overlay *overlay) -{ - struct private_yuvhwdata *hwdata; - - hwdata = overlay->hwdata; - if ( hwdata ) { - if ( hwdata->surface ) { - IDirectDrawSurface_Release(hwdata->surface); - } - SDL_free(hwdata); - } -} - |