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Diffstat (limited to 'distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_yuv.c')
-rw-r--r--distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_yuv.c290
1 files changed, 0 insertions, 290 deletions
diff --git a/distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_yuv.c b/distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_yuv.c
deleted file mode 100644
index 6366254..0000000
--- a/distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_yuv.c
+++ /dev/null
@@ -1,290 +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 DirectFB implementation of YUV video overlays */
-
-#include "SDL_video.h"
-#include "SDL_DirectFB_yuv.h"
-#include "../SDL_yuvfuncs.h"
-
-
-/* The functions used to manipulate software video overlays */
-static struct private_yuvhwfuncs directfb_yuvfuncs = {
- DirectFB_LockYUVOverlay,
- DirectFB_UnlockYUVOverlay,
- DirectFB_DisplayYUVOverlay,
- DirectFB_FreeYUVOverlay
-};
-
-struct private_yuvhwdata {
- DFBDisplayLayerID layer_id;
-
- IDirectFBDisplayLayer *layer;
- IDirectFBSurface *surface;
-
- /* These are just so we don't have to allocate them separately */
- Uint16 pitches[3];
- Uint8 *planes[3];
-};
-
-static DFBEnumerationResult
-enum_layers_callback( DFBDisplayLayerID id,
- DFBDisplayLayerDescription desc,
- void *data )
-{
- struct private_yuvhwdata *hwdata = (struct private_yuvhwdata *) data;
-
- /* we don't want the primary */
- if (id == DLID_PRIMARY)
- return DFENUM_OK;
-
- /* take the one with a surface for video */
- if ((desc.caps & DLCAPS_SURFACE) && (desc.type & DLTF_VIDEO))
- {
- hwdata->layer_id = id;
-
- return DFENUM_CANCEL;
- }
-
- return DFENUM_OK;
-}
-
-
-static DFBResult CreateYUVSurface(_THIS, struct private_yuvhwdata *hwdata,
- int width, int height, Uint32 format)
-{
- DFBResult ret;
- IDirectFB *dfb = HIDDEN->dfb;
- IDirectFBDisplayLayer *layer;
- DFBDisplayLayerConfig conf;
-
- ret = dfb->EnumDisplayLayers (dfb, enum_layers_callback, hwdata);
- if (ret)
- {
- SetDirectFBerror("IDirectFB::EnumDisplayLayers", ret);
- return ret;
- }
-
- if (!hwdata->layer_id)
- return DFB_UNSUPPORTED;
-
- ret = dfb->GetDisplayLayer (dfb, hwdata->layer_id, &layer);
- if (ret)
- {
- SetDirectFBerror("IDirectFB::GetDisplayLayer", ret);
- return ret;
- }
-
- conf.flags = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT;
- conf.width = width;
- conf.height = height;
-
- switch (format)
- {
- case SDL_YV12_OVERLAY:
- conf.pixelformat = DSPF_YV12;
- break;
- case SDL_IYUV_OVERLAY:
- conf.pixelformat = DSPF_I420;
- break;
- case SDL_YUY2_OVERLAY:
- conf.pixelformat = DSPF_YUY2;
- break;
- case SDL_UYVY_OVERLAY:
- conf.pixelformat = DSPF_UYVY;
- break;
- default:
- fprintf (stderr, "SDL_DirectFB: Unsupported YUV format (0x%08x)!\n", format);
- break;
- }
-
- /* Need to set coop level or newer DirectFB versions will fail here. */
- ret = layer->SetCooperativeLevel (layer, DLSCL_ADMINISTRATIVE);
- if (ret)
- {
- SetDirectFBerror("IDirectFBDisplayLayer::SetCooperativeLevel() failed", ret);
- layer->Release (layer);
- return ret;
- }
-
- ret = layer->SetConfiguration (layer, &conf);
- if (ret)
- {
- SetDirectFBerror("IDirectFBDisplayLayer::SetConfiguration", ret);
- layer->Release (layer);
- return ret;
- }
-
- ret = layer->GetSurface (layer, &hwdata->surface);
- if (ret)
- {
- SetDirectFBerror("IDirectFBDisplayLayer::GetSurface", ret);
- layer->Release (layer);
- return ret;
- }
-
- hwdata->layer = layer;
-
- return DFB_OK;
-}
-
-SDL_Overlay *DirectFB_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display)
-{
- SDL_Overlay *overlay;
- struct private_yuvhwdata *hwdata;
-
- /* Create the overlay structure */
- overlay = SDL_calloc (1, sizeof(SDL_Overlay));
- if (!overlay)
- {
- SDL_OutOfMemory();
- return NULL;
- }
-
- /* Fill in the basic members */
- overlay->format = format;
- overlay->w = width;
- overlay->h = height;
-
- /* Set up the YUV surface function structure */
- overlay->hwfuncs = &directfb_yuvfuncs;
-
- /* Create the pixel data and lookup tables */
- hwdata = SDL_calloc(1, sizeof(struct private_yuvhwdata));
- overlay->hwdata = hwdata;
- if (!hwdata)
- {
- SDL_OutOfMemory();
- SDL_FreeYUVOverlay (overlay);
- return NULL;
- }
-
- if (CreateYUVSurface (this, hwdata, width, height, format))
- {
- 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 DirectFB_LockYUVOverlay(_THIS, SDL_Overlay *overlay)
-{
- DFBResult ret;
- void *data;
- int pitch;
- IDirectFBSurface *surface = overlay->hwdata->surface;
-
- ret = surface->Lock (surface, DSLF_READ | DSLF_WRITE, &data, &pitch);
- if (ret)
- {
- SetDirectFBerror("IDirectFBSurface::Lock", ret);
- return -1;
- }
-
- /* Find the pitch and offset values for the overlay */
- overlay->pitches[0] = (Uint16) pitch;
- overlay->pixels[0] = (Uint8*) data;
-
- 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 DirectFB_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay)
-{
- IDirectFBSurface *surface = overlay->hwdata->surface;
-
- overlay->pixels[0] = overlay->pixels[1] = overlay->pixels[2] = NULL;
-
- surface->Unlock (surface);
-}
-
-int DirectFB_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *src, SDL_Rect *dst)
-{
- DFBResult ret;
- DFBDisplayLayerConfig conf;
- IDirectFBDisplayLayer *primary = HIDDEN->layer;
- IDirectFBDisplayLayer *layer = overlay->hwdata->layer;
-
- primary->GetConfiguration (primary, &conf);
-
- ret = layer->SetScreenLocation (layer,
- dst->x / (float) conf.width, dst->y / (float) conf.height,
- dst->w / (float) conf.width, dst->h / (float) conf.height );
- if (ret)
- {
- SetDirectFBerror("IDirectFBDisplayLayer::SetScreenLocation", ret);
- return -1;
- }
-
- return 0;
-}
-
-void DirectFB_FreeYUVOverlay(_THIS, SDL_Overlay *overlay)
-{
- struct private_yuvhwdata *hwdata;
-
- hwdata = overlay->hwdata;
- if (hwdata)
- {
- if (hwdata->surface)
- hwdata->surface->Release (hwdata->surface);
-
- if (hwdata->layer)
- hwdata->layer->Release (hwdata->layer);
-
- free (hwdata);
- }
-}
-
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