Mercurial > sdl-ios-xcode
view src/video/photon/SDL_phyuv.c @ 1505:4d005dfbb7f5
Fixed bug #139
The text in SDL_WM_SetCaption() is in UTF-8 encoding.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 13 Mar 2006 01:33:58 +0000 |
parents | d910939febfa |
children | 51038e80ae59 |
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/* 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 QNX Realtime Platform version of SDL YUV video overlays */ #include <errno.h> #include <Ph.h> #include <Pt.h> #include "SDL_video.h" #include "SDL_phyuv_c.h" #include "../SDL_yuvfuncs.h" #define OVERLAY_STATE_UNINIT 0 #define OVERLAY_STATE_ACTIVE 1 /* The functions are used to manipulate software video overlays */ static struct private_yuvhwfuncs ph_yuvfuncs = { ph_LockYUVOverlay, ph_UnlockYUVOverlay, ph_DisplayYUVOverlay, ph_FreeYUVOverlay }; int grab_ptrs2(PgVideoChannel_t* channel, FRAMEDATA* Frame0, FRAMEDATA* Frame1) { int planes = 0; /* Buffers have moved; re-obtain the pointers */ Frame0->Y = (unsigned char *)PdGetOffscreenContextPtr(channel->yplane1); Frame1->Y = (unsigned char *)PdGetOffscreenContextPtr(channel->yplane2); Frame0->U = (unsigned char *)PdGetOffscreenContextPtr(channel->vplane1); Frame1->U = (unsigned char *)PdGetOffscreenContextPtr(channel->vplane2); Frame0->V = (unsigned char *)PdGetOffscreenContextPtr(channel->uplane1); Frame1->V = (unsigned char *)PdGetOffscreenContextPtr(channel->uplane2); if (Frame0->Y) planes++; if (Frame0->U) planes++; if (Frame0->V) planes++; return planes; } SDL_Overlay* ph_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface* display) { SDL_Overlay* overlay; struct private_yuvhwdata* hwdata; int vidport; int rtncode; int planes; int i=0; PhPoint_t pos; /* Create the overlay structure */ overlay = SDL_calloc(1, sizeof(SDL_Overlay)); if (overlay == NULL) { SDL_OutOfMemory(); return NULL; } /* Fill in the basic members */ overlay->format = format; overlay->w = width; overlay->h = height; overlay->hwdata = NULL; /* Set up the YUV surface function structure */ overlay->hwfuncs = &ph_yuvfuncs; /* Create the pixel data and lookup tables */ hwdata = SDL_calloc(1, sizeof(struct private_yuvhwdata)); if (hwdata == NULL) { SDL_OutOfMemory(); SDL_FreeYUVOverlay(overlay); return NULL; } overlay->hwdata = hwdata; PhDCSetCurrent(0); if (overlay->hwdata->channel == NULL) { if ((overlay->hwdata->channel = PgCreateVideoChannel(Pg_VIDEO_CHANNEL_SCALER, 0)) == NULL) { SDL_SetError("ph_CreateYUVOverlay(): Create channel failed: %s\n", strerror(errno)); SDL_FreeYUVOverlay(overlay); return NULL; } } overlay->hwdata->forcedredraw=0; PtGetAbsPosition(window, &pos.x, &pos.y); overlay->hwdata->CurrentWindowPos.x = pos.x; overlay->hwdata->CurrentWindowPos.y = pos.y; overlay->hwdata->CurrentViewPort.pos.x = 0; overlay->hwdata->CurrentViewPort.pos.y = 0; overlay->hwdata->CurrentViewPort.size.w = width; overlay->hwdata->CurrentViewPort.size.h = height; overlay->hwdata->State = OVERLAY_STATE_UNINIT; overlay->hwdata->FrameData0 = (FRAMEDATA *) SDL_calloc(1, sizeof(FRAMEDATA)); overlay->hwdata->FrameData1 = (FRAMEDATA *) SDL_calloc(1, sizeof(FRAMEDATA)); vidport = -1; i=0; overlay->hwdata->ischromakey=0; do { SDL_memset(&overlay->hwdata->caps, 0x00, sizeof(PgScalerCaps_t)); overlay->hwdata->caps.size = sizeof(PgScalerCaps_t); rtncode = PgGetScalerCapabilities(overlay->hwdata->channel, i, &overlay->hwdata->caps); if (rtncode==0) { if (overlay->hwdata->caps.format==format) { if ((overlay->hwdata->caps.flags & Pg_SCALER_CAP_DST_CHROMA_KEY) == Pg_SCALER_CAP_DST_CHROMA_KEY) { overlay->hwdata->ischromakey=1; } vidport=1; break; } } else { break; } i++; } while(1); if (vidport == -1) { SDL_SetError("No available video ports for requested format\n"); SDL_FreeYUVOverlay(overlay); return NULL; } overlay->hwdata->format = format; overlay->hwdata->props.format = format; overlay->hwdata->props.size = sizeof(PgScalerProps_t); overlay->hwdata->props.src_dim.w = width; overlay->hwdata->props.src_dim.h = height; /* overlay->hwdata->chromakey = PgGetOverlayChromaColor(); */ overlay->hwdata->chromakey = PgRGB(12, 6, 12); /* very dark pink color */ overlay->hwdata->props.color_key = overlay->hwdata->chromakey; PhAreaToRect(&overlay->hwdata->CurrentViewPort, &overlay->hwdata->props.viewport); overlay->hwdata->props.flags = Pg_SCALER_PROP_DOUBLE_BUFFER; if ((overlay->hwdata->ischromakey)&&(overlay->hwdata->chromakey)) { overlay->hwdata->props.flags |= Pg_SCALER_PROP_CHROMA_ENABLE; overlay->hwdata->props.flags |= Pg_SCALER_PROP_CHROMA_SPECIFY_KEY_MASK; } else { overlay->hwdata->props.flags &= ~Pg_SCALER_PROP_CHROMA_ENABLE; } rtncode = PgConfigScalerChannel(overlay->hwdata->channel, &overlay->hwdata->props); switch(rtncode) { case -1: SDL_SetError("PgConfigScalerChannel failed\n"); SDL_FreeYUVOverlay(overlay); return NULL; case 1: case 0: default: break; } planes = grab_ptrs2(overlay->hwdata->channel, overlay->hwdata->FrameData0, overlay->hwdata->FrameData1); if(overlay->hwdata->channel->yplane1 != NULL) overlay->hwdata->YStride = overlay->hwdata->channel->yplane1->pitch; if(overlay->hwdata->channel->vplane1 != NULL) overlay->hwdata->UStride = overlay->hwdata->channel->vplane1->pitch; if(overlay->hwdata->channel->uplane1 != NULL) overlay->hwdata->VStride = overlay->hwdata->channel->uplane1->pitch; /* check for the validness of all planes */ if ((overlay->hwdata->channel->yplane1 == NULL) && (overlay->hwdata->channel->uplane1 == NULL) && (overlay->hwdata->channel->vplane1 == NULL)) { SDL_FreeYUVOverlay(overlay); SDL_SetError("PgConfigScaler() returns all planes equal NULL\n"); return NULL; } /* overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel); if (overlay->hwdata->current==0) { overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; } else { overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1; } */ overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; /* overlay->hwdata->locked = 1; */ /* Find the pitch and offset values for the overlay */ overlay->planes = planes; overlay->pitches = SDL_calloc(overlay->planes, sizeof(Uint16)); overlay->pixels = SDL_calloc(overlay->planes, sizeof(Uint8*)); if (!overlay->pitches || !overlay->pixels) { SDL_OutOfMemory(); SDL_FreeYUVOverlay(overlay); return(NULL); } if (overlay->planes > 0) { overlay->pitches[0] = overlay->hwdata->channel->yplane1->pitch; overlay->pixels[0] = overlay->hwdata->CurrentFrameData->Y; } if (overlay->planes > 1) { overlay->pitches[1] = overlay->hwdata->channel->vplane1->pitch; overlay->pixels[1] = overlay->hwdata->CurrentFrameData->U; } if (overlay->planes > 2) { overlay->pitches[2] = overlay->hwdata->channel->uplane1->pitch; overlay->pixels[2] = overlay->hwdata->CurrentFrameData->V; } overlay->hwdata->State = OVERLAY_STATE_ACTIVE; overlay->hwdata->scaler_on = 0; overlay->hw_overlay = 1; current_overlay=overlay; return overlay; } int ph_LockYUVOverlay(_THIS, SDL_Overlay* overlay) { if (overlay == NULL) { return -1; } overlay->hwdata->locked = 1; /* overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel); if (overlay->hwdata->current == -1) { SDL_SetError("ph_LockYUVOverlay: PgNextFrame() failed, bailing out\n"); SDL_FreeYUVOverlay(overlay); return 0; } if (overlay->hwdata->current == 0) { overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; } else { overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1; } if (overlay->planes > 0) { overlay->pitches[0] = overlay->hwdata->channel->yplane1->pitch; overlay->pixels[0] = overlay->hwdata->CurrentFrameData->Y; } if (overlay->planes > 1) { overlay->pitches[1] = overlay->hwdata->channel->uplane1->pitch; overlay->pixels[1] = overlay->hwdata->CurrentFrameData->U; } if (overlay->planes > 2) { overlay->pitches[2] = overlay->hwdata->channel->vplane1->pitch; overlay->pixels[2] = overlay->hwdata->CurrentFrameData->V; } */ return(0); } void ph_UnlockYUVOverlay(_THIS, SDL_Overlay* overlay) { if (overlay == NULL) { return; } overlay->hwdata->locked = 0; } int ph_DisplayYUVOverlay(_THIS, SDL_Overlay* overlay, SDL_Rect* dstrect) { int rtncode; PhPoint_t pos; SDL_Rect backrect; PhRect_t windowextent; int winchanged=0; if ((overlay == NULL) || (overlay->hwdata==NULL)) { return -1; } if (overlay->hwdata->State == OVERLAY_STATE_UNINIT) { return -1; } PtGetAbsPosition(window, &pos.x, &pos.y); if ((pos.x!=overlay->hwdata->CurrentWindowPos.x) || (pos.y!=overlay->hwdata->CurrentWindowPos.y)) { winchanged=1; overlay->hwdata->CurrentWindowPos.x=pos.x; overlay->hwdata->CurrentWindowPos.y=pos.y; } /* If CurrentViewPort position/size has been changed, then move/resize the viewport */ if ((overlay->hwdata->CurrentViewPort.pos.x != dstrect->x) || (overlay->hwdata->CurrentViewPort.pos.y != dstrect->y) || (overlay->hwdata->CurrentViewPort.size.w != dstrect->w) || (overlay->hwdata->CurrentViewPort.size.h != dstrect->h) || (overlay->hwdata->scaler_on==0) || (winchanged==1) || (overlay->hwdata->forcedredraw==1)) { if (overlay->hwdata->ischromakey==1) { /* restore screen behind the overlay/chroma color. */ backrect.x=overlay->hwdata->CurrentViewPort.pos.x; backrect.y=overlay->hwdata->CurrentViewPort.pos.y; backrect.w=overlay->hwdata->CurrentViewPort.size.w; backrect.h=overlay->hwdata->CurrentViewPort.size.h; this->UpdateRects(this, 1, &backrect); /* Draw the new rectangle of the chroma color at the viewport position */ PgSetFillColor(overlay->hwdata->chromakey); PgDrawIRect(dstrect->x, dstrect->y, dstrect->x+dstrect->w-1, dstrect->y+dstrect->h-1, Pg_DRAW_FILL); PgFlush(); } overlay->hwdata->props.flags |= Pg_SCALER_PROP_SCALER_ENABLE; overlay->hwdata->scaler_on = 1; PhWindowQueryVisible(Ph_QUERY_CONSOLE, 0, PtWidgetRid(window), &windowextent); overlay->hwdata->CurrentViewPort.pos.x = pos.x-windowextent.ul.x+dstrect->x; overlay->hwdata->CurrentViewPort.pos.y = pos.y-windowextent.ul.y+dstrect->y; overlay->hwdata->CurrentViewPort.size.w = dstrect->w; overlay->hwdata->CurrentViewPort.size.h = dstrect->h; PhAreaToRect(&overlay->hwdata->CurrentViewPort, &overlay->hwdata->props.viewport); overlay->hwdata->CurrentViewPort.pos.x = dstrect->x; overlay->hwdata->CurrentViewPort.pos.y = dstrect->y; rtncode = PgConfigScalerChannel(overlay->hwdata->channel, &(overlay->hwdata->props)); switch(rtncode) { case -1: SDL_SetError("PgConfigScalerChannel() function failed\n"); SDL_FreeYUVOverlay(overlay); return -1; case 1: grab_ptrs2(overlay->hwdata->channel, overlay->hwdata->FrameData0, overlay->hwdata->FrameData1); break; case 0: default: break; } } /* if (overlay->hwdata->locked==0) { overlay->hwdata->current = PgNextVideoFrame(overlay->hwdata->channel); if (overlay->hwdata->current == -1) { SDL_SetError("ph_LockYUVOverlay: PgNextFrame() failed, bailing out\n"); SDL_FreeYUVOverlay(overlay); return 0; } if (overlay->hwdata->current == 0) { overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData0; } else { overlay->hwdata->CurrentFrameData = overlay->hwdata->FrameData1; } if (overlay->planes > 0) { overlay->pitches[0] = overlay->hwdata->channel->yplane1->pitch; overlay->pixels[0] = overlay->hwdata->CurrentFrameData->Y; } if (overlay->planes > 1) { overlay->pitches[1] = overlay->hwdata->channel->uplane1->pitch; overlay->pixels[1] = overlay->hwdata->CurrentFrameData->U; } if (overlay->planes > 2) { overlay->pitches[2] = overlay->hwdata->channel->vplane1->pitch; overlay->pixels[2] = overlay->hwdata->CurrentFrameData->V; } } */ return 0; } void ph_FreeYUVOverlay(_THIS, SDL_Overlay *overlay) { SDL_Rect backrect; if (overlay == NULL) { return; } if (overlay->hwdata == NULL) { return; } current_overlay=NULL; /* restore screen behind the overlay/chroma color. */ backrect.x=overlay->hwdata->CurrentViewPort.pos.x; backrect.y=overlay->hwdata->CurrentViewPort.pos.y; backrect.w=overlay->hwdata->CurrentViewPort.size.w; backrect.h=overlay->hwdata->CurrentViewPort.size.h; this->UpdateRects(this, 1, &backrect); /* it is need for some buggy drivers, that can't hide overlay before */ /* freeing buffer, so we got trash on the srceen */ overlay->hwdata->props.flags &= ~Pg_SCALER_PROP_SCALER_ENABLE; PgConfigScalerChannel(overlay->hwdata->channel, &(overlay->hwdata->props)); overlay->hwdata->scaler_on = 0; overlay->hwdata->State = OVERLAY_STATE_UNINIT; if (overlay->hwdata->channel != NULL) { PgDestroyVideoChannel(overlay->hwdata->channel); overlay->hwdata->channel = NULL; return; } overlay->hwdata->CurrentFrameData = NULL; SDL_free(overlay->hwdata->FrameData0); SDL_free(overlay->hwdata->FrameData1); overlay->hwdata->FrameData0 = NULL; overlay->hwdata->FrameData1 = NULL; SDL_free(overlay->hwdata); }