vo_sdl.c

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· C语言 代码 · 共 1,734 行 · 第 1/4 页

 		    mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SDL_InfoPleaseUseVmOrZoom);
		priv->fulltype = VOFLAG_FULLSCREEN;
		set_fullmode(priv->fullmode);
          	/*if((priv->surface = SDL_SetVideoMode (d_width, d_height, priv->bpp, priv->sdlfullflags)))
			SDL_ShowCursor(0);*/
	} else	
	if(flags&VOFLAG_MODESWITCHING) {
	 	if( mp_msg_test(MSGT_VO,MSGL_V) ) {
 	 		mp_msg(MSGT_VO,MSGL_V, "SDL: setting zoomed fullscreen with modeswitching\n"); }
		priv->fulltype = VOFLAG_MODESWITCHING;
		set_fullmode(priv->fullmode);
          	/*if((priv->surface = SDL_SetVideoMode (d_width ? d_width : width, d_height ? d_height : height, priv->bpp, priv->sdlfullflags)))
			SDL_ShowCursor(0);*/
	} else
	if(flags&VOFLAG_SWSCALE) {
	 	if( mp_msg_test(MSGT_VO,MSGL_V) ) {
			mp_msg(MSGT_VO,MSGL_V, "SDL: setting zoomed fullscreen with modeswitching\n"); }
		priv->fulltype = VOFLAG_SWSCALE;
		set_fullmode(priv->fullmode);
	} 
        else {
		if((strcmp(priv->driver, "x11") == 0)
		||(strcmp(priv->driver, "windib") == 0)
		||(strcmp(priv->driver, "directx") == 0)
		||(strcmp(priv->driver, "Quartz") == 0)
		||(strcmp(priv->driver, "cgx") == 0)
		||(strcmp(priv->driver, "os4video") == 0)
		||((strcmp(priv->driver, "aalib") == 0) && priv->X)){
			if( mp_msg_test(MSGT_VO,MSGL_V) ) {
 				mp_msg(MSGT_VO,MSGL_V, "SDL: setting windowed mode\n"); }
            set_video_mode(priv->dstwidth, priv->dstheight, priv->bpp, priv->sdlflags);
		}
		else {
			if( mp_msg_test(MSGT_VO,MSGL_V) ) {
 				mp_msg(MSGT_VO,MSGL_V, "SDL: setting zoomed fullscreen with modeswitching\n"); }
			priv->fulltype = VOFLAG_SWSCALE;
			set_fullmode(priv->fullmode);
		}	
	}

        if(!priv->surface) { // cannot SetVideoMode
 		mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_SDL_FailedToSetVideoMode, SDL_GetError());
		return -1;
	}	

	return 0;
}

/* Free priv->rgbsurface or priv->overlay if they are != NULL.
 * Setup priv->rgbsurface or priv->overlay depending on source format.
 * The size of the created surface or overlay depends on the size of
 * priv->surface, priv->width, priv->height, priv->dstwidth and priv->dstheight.
 */
static int setup_surfaces(void)
{
    struct sdl_priv_s *priv = &sdl_priv;
    float v_scale = ((float) priv->dstheight) / priv->height;
    int surfwidth, surfheight;

    surfwidth = priv->width;
    surfheight = priv->height + (priv->surface->h - priv->dstheight) / v_scale;
    surfheight&= ~1;
    /* Place the image in the middle of the screen */
    priv->y = (surfheight - priv->height) / 2;
    priv->y_screen_top = priv->y * v_scale;
    priv->y_screen_bottom = priv->y_screen_top + priv->dstheight;

    priv->dirty_off_frame[0].x = -1;
    priv->dirty_off_frame[0].y = -1;
    priv->dirty_off_frame[1].x = -1;
    priv->dirty_off_frame[1].y = -1;

    /* Make sure the entire screen is updated */
    vo_osd_changed(1);

    if(priv->rgbsurface)
        SDL_FreeSurface(priv->rgbsurface);
    else if(priv->overlay)
        SDL_FreeYUVOverlay(priv->overlay);

    priv->rgbsurface = NULL;
    priv->overlay = NULL;
    
    if(priv->mode != YUV && (priv->format&0xFF) == priv->bpp) {
		if(strcmp(priv->driver, "x11") == 0) {
            priv->dblit = 1;
            priv->framePlaneRGB = priv->width * priv->height * priv->surface->format->BytesPerPixel;
            priv->stridePlaneRGB = priv->width * priv->surface->format->BytesPerPixel;
            erase_rectangle(0, 0, priv->surface->w, priv->surface->h);
            return 0;
        }
	}

	switch(priv->format) {
	    	/* Initialize and create the RGB Surface used for video out in BGR/RGB mode */
//SDL_Surface *SDL_CreateRGBSurface(Uint32 flags, int width, int height, int depth, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);	
		//	SDL_SWSURFACE,SDL_HWSURFACE,SDL_SRCCOLORKEY, priv->flags?	guess: exchange Rmask and Bmask for BGR<->RGB
		// 32 bit: a:ff000000 r:ff000 g:ff00 b:ff
		// 24 bit: r:ff0000 g:ff00 b:ff
		// 16 bit: r:1111100000000000b g:0000011111100000b b:0000000000011111b
		// 15 bit: r:111110000000000b g:000001111100000b b:000000000011111b
		// FIXME: colorkey detect based on bpp, FIXME static bpp value, FIXME alpha value correct?
	    case IMGFMT_RGB15:
            priv->rgbsurface = SDL_CreateRGBSurface (SDL_SRCCOLORKEY, surfwidth, surfheight, 15, 31, 992, 31744, 0);
	    break;	
	    case IMGFMT_BGR15:
            priv->rgbsurface = SDL_CreateRGBSurface (SDL_SRCCOLORKEY, surfwidth, surfheight, 15, 31744, 992, 31, 0);
	    break;	
	    case IMGFMT_RGB16:
            priv->rgbsurface = SDL_CreateRGBSurface (SDL_SRCCOLORKEY, surfwidth, surfheight, 16, 31, 2016, 63488, 0);
	    break;	
	    case IMGFMT_BGR16:
            priv->rgbsurface = SDL_CreateRGBSurface (SDL_SRCCOLORKEY, surfwidth, surfheight, 16, 63488, 2016, 31, 0);
	    break;	
	    case IMGFMT_RGB24:
            priv->rgbsurface = SDL_CreateRGBSurface (SDL_SRCCOLORKEY, surfwidth, surfheight, 24, 0x0000FF, 0x00FF00, 0xFF0000, 0);
	    break;	
	    case IMGFMT_BGR24:
            priv->rgbsurface = SDL_CreateRGBSurface (SDL_SRCCOLORKEY, surfwidth, surfheight, 24, 0xFF0000, 0x00FF00, 0x0000FF, 0);
	    break;	
	    case IMGFMT_RGB32:
            priv->rgbsurface = SDL_CreateRGBSurface (SDL_SRCCOLORKEY, surfwidth, surfheight, 32, 0x000000FF, 0x0000FF00, 0x00FF0000, 0/*0xFF000000*/);
	    break;	
	    case IMGFMT_BGR32:
            priv->rgbsurface = SDL_CreateRGBSurface (SDL_SRCCOLORKEY, surfwidth, surfheight, 32, 0x00FF0000, 0x0000FF00, 0x000000FF, 0/*0xFF000000*/);
	    break;	
	    default:
		/* Initialize and create the YUV Overlay used for video out */
		if (!(priv->overlay = SDL_CreateYUVOverlay (surfwidth, surfheight, priv->format, priv->surface))) {
			mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_SDL_CouldntCreateAYUVOverlay, SDL_GetError());
			return -1;
		}
		priv->framePlaneY = priv->width * priv->height;
		priv->framePlaneUV = (priv->width * priv->height) >> 2;
		priv->framePlaneYUY = priv->width * priv->height * 2;
		priv->stridePlaneY = priv->width;
		priv->stridePlaneUV = priv->width/2;
		priv->stridePlaneYUY = priv->width * 2;
	}
	
    if(priv->mode != YUV) {
        if(!priv->rgbsurface) {
            mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_SDL_CouldntCreateARGBSurface, SDL_GetError());
            return -1;
        }

        priv->dblit = 0;

        if((priv->format&0xFF) != priv->bpp)
            mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SDL_UsingDepthColorspaceConversion, priv->format&0xFF, priv->bpp);

        priv->framePlaneRGB = priv->width * priv->height * priv->rgbsurface->format->BytesPerPixel;
        priv->stridePlaneRGB = priv->width * priv->rgbsurface->format->BytesPerPixel;
    }
    
    erase_rectangle(0, 0, surfwidth, surfheight);

	return 0;
}


/**
 * Draw a frame to the SDL YUV overlay.
 *
 *   params : *src[] == the Y, U, and V planes that make up the frame.
 *  returns : non-zero on success, zero on error.
 **/

//static int sdl_draw_frame (frame_t *frame)
static int draw_frame(uint8_t *src[])
{
	struct sdl_priv_s *priv = &sdl_priv;
	uint8_t *dst;
	int i;
	uint8_t *mysrc = src[0];

    switch(priv->format){
        case IMGFMT_YUY2:
        case IMGFMT_UYVY:
        case IMGFMT_YVYU:
        SDL_OVR_LOCK(-1)
        dst = (uint8_t *) *(priv->overlay->pixels) + priv->overlay->pitches[0]*priv->y;
	    if(priv->flip) {
	    	mysrc+=priv->framePlaneYUY;
		for(i = 0; i < priv->height; i++) {
			mysrc-=priv->stridePlaneYUY;
			fast_memcpy (dst, mysrc, priv->stridePlaneYUY);
                dst+=priv->overlay->pitches[0];
		}
	    }
	    else fast_memcpy (dst, src[0], priv->framePlaneYUY);
	    SDL_OVR_UNLOCK
            break;
	
	case IMGFMT_RGB15:
	case IMGFMT_BGR15:	
	case IMGFMT_RGB16:
	case IMGFMT_BGR16:	
	case IMGFMT_RGB24:
	case IMGFMT_BGR24:	
	case IMGFMT_RGB32:
	case IMGFMT_BGR32:
		if(priv->dblit) {
			SDL_SRF_LOCK(priv->surface, -1)
			dst = (uint8_t *) priv->surface->pixels + priv->y*priv->surface->pitch;
			if(priv->flip) {
				mysrc+=priv->framePlaneRGB;
				for(i = 0; i < priv->height; i++) {
					mysrc-=priv->stridePlaneRGB;
					fast_memcpy (dst, mysrc, priv->stridePlaneRGB);
					dst += priv->surface->pitch;
				}
			}
			else fast_memcpy (dst, src[0], priv->framePlaneRGB);
			SDL_SRF_UNLOCK(priv->surface)
		} else {
			SDL_SRF_LOCK(priv->rgbsurface, -1)
			dst = (uint8_t *) priv->rgbsurface->pixels + priv->y*priv->rgbsurface->pitch;
			if(priv->flip) {
				mysrc+=priv->framePlaneRGB;
				for(i = 0; i < priv->height; i++) {
					mysrc-=priv->stridePlaneRGB;
					fast_memcpy (dst, mysrc, priv->stridePlaneRGB);
					dst += priv->rgbsurface->pitch;
				}
			}
			else fast_memcpy (dst, src[0], priv->framePlaneRGB);
			SDL_SRF_UNLOCK(priv->rgbsurface)
		}
		break;

        }
        	
	return 0;
}


/**
 * Draw a slice (16 rows of image) to the SDL YUV overlay.
 *
 *   params : *src[] == the Y, U, and V planes that make up the slice.
 *  returns : non-zero on error, zero on success.
 **/

//static uint32_t draw_slice(uint8_t *src[], uint32_t slice_num)
static int draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
	struct sdl_priv_s *priv = &sdl_priv;
	uint8_t *dst;

    SDL_OVR_LOCK(-1)

    y += priv->y;
    
    dst = priv->overlay->pixels[0] + priv->overlay->pitches[0]*y + x;
    memcpy_pic(dst, image[0], w, h, priv->overlay->pitches[0], stride[0]);
    x/=2;y/=2;w/=2;h/=2;

    switch(priv->format) {
    case IMGFMT_YV12:
        dst = priv->overlay->pixels[2] + priv->overlay->pitches[2]*y + x;
	memcpy_pic(dst, image[1], w, h, priv->overlay->pitches[2], stride[1]);

        dst = priv->overlay->pixels[1] + priv->overlay->pitches[1]*y + x;
	memcpy_pic(dst, image[2], w, h, priv->overlay->pitches[1], stride[2]);

    break;
    case IMGFMT_I420:
    case IMGFMT_IYUV:
        dst = priv->overlay->pixels[1] + priv->overlay->pitches[1]*y + x;
	memcpy_pic(dst, image[1], w, h, priv->overlay->pitches[1], stride[1]);

        dst = priv->overlay->pixels[2] + priv->overlay->pitches[2]*y + x;
	memcpy_pic(dst, image[2], w, h, priv->overlay->pitches[2], stride[2]);

    break;
    default:
	mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_SDL_UnsupportedImageFormatInDrawslice);
    }

	SDL_OVR_UNLOCK

	return 0;
}



/**
 * Checks for SDL keypress and window resize events
 *
 *   params : none
 *  returns : doesn't return
 **/

#include "osdep/keycodes.h"

#define shift_key (event.key.keysym.mod==(KMOD_LSHIFT||KMOD_RSHIFT)) 
static void check_events (void)
{
	struct sdl_priv_s *priv = &sdl_priv;
	SDL_Event event;
	SDLKey keypressed = 0;
	
	/* Poll the waiting SDL Events */
	while ( SDL_PollEvent(&event) ) {
		switch (event.type) {

			/* capture window resize events */
			case SDL_VIDEORESIZE:
				if(!priv->dblit)
                    set_video_mode(event.resize.w, event.resize.h, priv->bpp, priv->sdlflags);

				/* save video extents, to restore them after going fullscreen */
			 	//if(!(priv->surface->flags & SDL_FULLSCREEN)) {
				    priv->windowsize.w = priv->surface->w;
				    priv->windowsize.h = priv->surface->h;
				//}
				if( mp_msg_test(MSGT_VO,MSGL_DBG3) ) {
 					mp_msg(MSGT_VO,MSGL_DBG3, "SDL: Window resize\n"); }
			break;
			
			case SDL_MOUSEBUTTONDOWN:
				if(vo_nomouse_input)
				    break;
					mplayer_put_key((MOUSE_BTN0+event.button.button-1) | MP_KEY_DOWN);
				break;			    
		
			case SDL_MOUSEBUTTONUP:
				if(vo_nomouse_input)
				    break;
				mplayer_put_key(MOUSE_BTN0+event.button.button-1);
				break;
	
			/* graphics mode selection shortcuts */
#ifdef BUGGY_SDL
			case SDL_KEYDOWN:
				switch(event.key.keysym.sym) {
                                case SDLK_UP: mplayer_put_key(KEY_UP); break;
                                case SDLK_DOWN: mplayer_put_key(KEY_DOWN); break;
                                case SDLK_LEFT: mplayer_put_key(KEY_LEFT); break;
                                case SDLK_RIGHT: mplayer_put_key(KEY_RIGHT); break;
                                case SDLK_LESS: mplayer_put_key(shift_key?'>':'<'); break;
                                case SDLK_GREATER: mplayer_put_key('>'); break;
                                case SDLK_ASTERISK:
				case SDLK_KP_MULTIPLY:
				case SDLK_SLASH:
				case SDLK_KP_DIVIDE:
				default: break;
				}
			break;
			case SDL_KEYUP:
#else			
			case SDL_KEYDOWN:
#endif			
				keypressed = event.key.keysym.sym;
				if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 					mp_msg(MSGT_VO,MSGL_DBG2, "SDL: Key pressed: '%i'\n", keypressed); }

				/* c key pressed. c cycles through available fullscreenmodes, if we have some */
				if ( ((keypressed == SDLK_c)) && (priv->fullmodes) ) {
					/* select next fullscreen mode */
					priv->fullmode++;
					if (priv->fullmode > (findArrayEnd(priv->fullmodes) - 1)) priv->fullmode = 0;
					set_fullmode(priv->fullmode);
	
					if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 						mp_msg(MSGT_VO,MSGL_DBG2, "SDL: Set next available fullscreen mode.\n"); }
				}

				else if ( keypressed == SDLK_n ) {
#ifdef HAVE_X11					
					aspect(&priv->dstwidth, &priv->dstheight,A_NOZOOM);
#endif					
					if (priv->surface->w != priv->dstwidth || priv->surface->h != priv->dstheight) {
                        set_video_mode(priv->dstwidth, priv->dstheight, priv->bpp, priv->sdlflags);
					    	priv->windowsize.w = priv->surface->w;
						priv->windowsize.h = priv->surface->h;
						if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 							mp_msg(MSGT_VO,MSGL_DBG2, "SDL: Normal size\n"); }
					} else
					if (priv->surface->w != priv->dstwidth * 2 || priv->surface->h != priv->dstheight * 2) {
                        set_video_mode(priv->dstwidth * 2, priv->dstheight * 2, priv->bpp, priv->sdlflags);
					    	priv->windowsize.w = priv->surface->w;
						priv->windowsize.h = priv->surface->h;
						if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
 							mp_msg(MSGT_VO,MSGL_DBG2, "SDL: Double size\n"); }
					}
				}	

                                else switch(keypressed){
				case SDLK_RETURN: mplayer_put_key(KEY_ENTER);break;
                                case SDLK_ESCAPE: mplayer_put_key(KEY_ESC);break;
				case SDLK_q: mplayer_put_key('q');break;
 				case SDLK_F1: mplayer_put_key(KEY_F+1);break;
 				case SDLK_F2: mplayer_put_key(KEY_F+2);break;
 				case SDLK_F3: mplayer_put_key(KEY_F+3);break;
 				case SDLK_F4: mplayer_put_key(KEY_F+4);break;
 				case SDLK_F5: mplayer_put_key(KEY_F+5);break;
 				case SDLK_F6: mplayer_put_key(KEY_F+6);break;
 				case SDLK_F7: mplayer_put_key(KEY_F+7);break;
 				case SDLK_F8: mplayer_put_key(KEY_F+8);break;
 				case SDLK_F9: mplayer_put_key(KEY_F+9);break;
 				case SDLK_F10: mplayer_put_key(KEY_F+10);break;
 				case SDLK_F11: mplayer_put_key(KEY_F+11);break;
 				case SDLK_F12: mplayer_put_key(KEY_F+12);break;
                                /*case SDLK_o: mplayer_put_key('o');break;
                                case SDLK_SPACE: mplayer_put_key(' ');break;
                                case SDLK_p: mplayer_put_key('p');break;*/
				case SDLK_7: mplayer_put_key(shift_key?'/':'7');
                                case SDLK_PLUS: mplayer_put_key(shift_key?'*':'+');
                                case SDLK_KP_PLUS: mplayer_put_key('+');break;
                                case SDLK_MINUS:
                                case SDLK_KP_MINUS: mplayer_put_key('-');break;
				case SDLK_TAB: mplayer_put_key('\t');break;
				case SDLK_PAGEUP: mplayer_put_key(KEY_PAGE_UP);break;
				case SDLK_PAGEDOWN: mplayer_put_key(KEY_PAGE_DOWN);break;  
#ifdef BUGGY_SDL
                                case SDLK_UP:
                                case SDLK_DOWN:
                                case SDLK_LEFT:
                                case SDLK_RIGHT:
                                case SDLK_ASTERISK:
				case SDLK_KP_MULTIPLY:
				case SDLK_SLASH:
				case SDLK_KP_DIVIDE:
				break;
#else				
                                case SDLK_UP: mplayer_put_key(KEY_UP);break;
                                case SDLK_DOWN: mplayer_put_key(KEY_DOWN);break;
                                case SDLK_LEFT: mplayer_put_key(KEY_LEFT);break;
                                case SDLK_RIGHT: mplayer_put_key(KEY_RIGHT);break;
                                case SDLK_LESS: mplayer_put_key(shift_key?'>':'<'); break;
                                case SDLK_GREATER: mplayer_put_key('>'); break;
                                case SDLK_ASTERISK: