int list_layers() { IDirectFB *dfb = NULL; //IDirectFBSurface *surface = NULL; //IDirectFBLayer *layer = NULL; DFBCHECK(DirectFBInit(NULL, NULL)); DFBCHECK(DirectFBCreate(&dfb)); push_release(dfb, dfb->Release); DFBCHECK(dfb->EnumDisplayLayers(dfb, layer_cb, dfb)); sleep(1); release_all(); return 0; }
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; }