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

				case SDLK_KP_MULTIPLY: mplayer_put_key('*'); break;
				case SDLK_SLASH:
				case SDLK_KP_DIVIDE: mplayer_put_key('/'); break;
#endif				
				case SDLK_KP0: mplayer_put_key(KEY_KP0); break;
				case SDLK_KP1: mplayer_put_key(KEY_KP1); break;
				case SDLK_KP2: mplayer_put_key(KEY_KP2); break;
				case SDLK_KP3: mplayer_put_key(KEY_KP3); break;
				case SDLK_KP4: mplayer_put_key(KEY_KP4); break;
				case SDLK_KP5: mplayer_put_key(KEY_KP5); break;
				case SDLK_KP6: mplayer_put_key(KEY_KP6); break;
				case SDLK_KP7: mplayer_put_key(KEY_KP7); break;
				case SDLK_KP8: mplayer_put_key(KEY_KP8); break;
				case SDLK_KP9: mplayer_put_key(KEY_KP9); break;
				case SDLK_KP_PERIOD: mplayer_put_key(KEY_KPDEC); break;
				case SDLK_KP_ENTER: mplayer_put_key(KEY_KPENTER); break;
				default:
					//printf("got scancode: %d keysym: %d mod: %d %d\n", event.key.keysym.scancode, keypressed, event.key.keysym.mod);
					mplayer_put_key(keypressed);
                                }
                                
				break;
				case SDL_QUIT: mplayer_put_key(KEY_CLOSE_WIN);break;
		}
	}
}
#undef shift_key

/* Erase (paint it black) the rectangle specified by x, y, w and h in the surface
   or overlay which is used for OSD
*/
static void erase_rectangle(int x, int y, int w, int h)
{
    struct sdl_priv_s *priv = &sdl_priv;

    switch(priv->format) {
        case IMGFMT_YV12:  
        case IMGFMT_I420:
        case IMGFMT_IYUV:
        {
            SDL_OVR_LOCK((void) 0)
                        
                    /* Erase Y plane */
                erase_area_1(x, w, h,
                             priv->overlay->pitches[0], 0,
                             priv->overlay->pixels[0] +
                             priv->overlay->pitches[0]*y);
                        
                /* Erase U and V planes */
                w /= 2;
                x /= 2;
                h /= 2;
                y /= 2;
                        
                erase_area_1(x, w, h,
                             priv->overlay->pitches[1], 128,
                             priv->overlay->pixels[1] +
                             priv->overlay->pitches[1]*y);
                        
                erase_area_1(x, w, h,
                             priv->overlay->pitches[2], 128,
                             priv->overlay->pixels[2] +
                             priv->overlay->pitches[2]*y);
            SDL_OVR_UNLOCK
                break;
        }

        case IMGFMT_YUY2:
        case IMGFMT_YVYU:
        {
                /* yuy2 and yvyu represent black the same way */
            uint8_t yuy2_black[] = {0, 128, 0, 128};

            SDL_OVR_LOCK((void) 0)
                erase_area_4(x*2, w*2, h,
                             priv->overlay->pitches[0],
                             *((uint32_t*) yuy2_black),
                             priv->overlay->pixels[0] +
                             priv->overlay->pitches[0]*y);
            SDL_OVR_UNLOCK
                break;
        }
            
        case IMGFMT_UYVY:
        {
            uint8_t uyvy_black[] = {128, 0, 128, 0};

            SDL_OVR_LOCK((void) 0)
                erase_area_4(x*2, w*2, h,
                             priv->overlay->pitches[0],
                             *((uint32_t*) uyvy_black),
                             priv->overlay->pixels[0] +
                             priv->overlay->pitches[0]*y);
            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:
        {
            SDL_Rect rect;
            rect.w = w; rect.h = h;
            rect.x = x; rect.y = y;

            if(priv->dblit) {
                SDL_SRF_LOCK(priv->surface, (void) 0)
                    SDL_FillRect(priv->surface, &rect, 0);
                SDL_SRF_UNLOCK(priv->surface)
                    }
            else {
                SDL_SRF_LOCK(priv->rgbsurface, (void) 0)
                    SDL_FillRect(priv->rgbsurface, &rect, 0);
                SDL_SRF_UNLOCK(priv->rgbsurface)
                    }
            break;
        }
    }
}

static void draw_osd(void)
{	struct sdl_priv_s *priv = &sdl_priv;

    priv->osd_has_changed = vo_osd_changed(0);

    if(priv->osd_has_changed)
    {
        int i;
        
        for(i = 0; i < 2; i++) {
            if(priv->dirty_off_frame[i].x < 0 || priv->dirty_off_frame[i].y < 0)
                continue;

            erase_rectangle(priv->dirty_off_frame[i].x, priv->dirty_off_frame[i].y,
                            priv->dirty_off_frame[i].w, priv->dirty_off_frame[i].h);
            
            priv->dirty_off_frame[i].x = -1;
            priv->dirty_off_frame[i].y = -1;
        }
    }
 
	/* update osd/subtitles */
    if(priv->mode == YUV)
        vo_draw_text(priv->overlay->w, priv->overlay->h, draw_alpha);
    else {
        if(priv->dblit)
            vo_draw_text(priv->surface->w, priv->surface->h, draw_alpha);
        else
            vo_draw_text(priv->rgbsurface->w, priv->rgbsurface->h, draw_alpha);
    }
}

/* Fill area beginning at 'pixels' with 'color'. 'x_start', 'width' and 'pitch'
 * are given in bytes. 4 bytes at a time.
 */
static void erase_area_4(int x_start, int width, int height, int pitch, uint32_t color, uint8_t* pixels)
{
    int x_end = x_start/4 + width/4;
    int x, y;
    uint32_t* data = (uint32_t*) pixels;
    
    x_start /= 4;
    pitch /= 4;

    for(y = 0; y < height; y++) {
        for(x = x_start; x < x_end; x++)
            data[y*pitch + x] = color;
    }
}

/* Fill area beginning at 'pixels' with 'color'. 'x_start', 'width' and 'pitch'
 * are given in bytes. 1 byte at a time.
 */
static void erase_area_1(int x_start, int width, int height, int pitch, uint8_t color, uint8_t* pixels)
{
    int y;
    
    for(y = 0; y < height; y++) {
        memset(&pixels[y*pitch + x_start], color, width);
    }
}

/**
 * Display the surface we have written our data to
 *
 *   params : mode == index of the desired fullscreen mode
 *  returns : doesn't return
 **/

static void flip_page (void)
{
	struct sdl_priv_s *priv = &sdl_priv;

	switch(priv->format) {
	    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) {
		  	/* blit to the RGB surface */
			if(SDL_BlitSurface (priv->rgbsurface, NULL, priv->surface, NULL))
				mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_SDL_BlitFailed, SDL_GetError());
		}

		/* update screen */
		//SDL_UpdateRect(priv->surface, 0, 0, priv->surface->clip_rect.w, priv->surface->clip_rect.h);
        if(priv->osd_has_changed) {
            priv->osd_has_changed = 0;
		SDL_UpdateRects(priv->surface, 1, &priv->surface->clip_rect);
        }
        else
            SDL_UpdateRect(priv->surface, 0, priv->y_screen_top,
                           priv->surface->clip_rect.w, priv->y_screen_bottom);
		
		/* check if we have a double buffered surface and flip() if we do. */
		if ( priv->surface->flags & SDL_DOUBLEBUF )
			SDL_Flip(priv->surface);

	    break;
	    default:		
		/* blit to the YUV overlay */
		SDL_DisplayYUVOverlay (priv->overlay, &priv->surface->clip_rect);
		
		/* check if we have a double buffered surface and flip() if we do. */
		if ( priv->surface->flags & SDL_DOUBLEBUF )
			SDL_Flip(priv->surface);
		
		//SDL_LockYUVOverlay (priv->overlay); // removed because unused!?
	}	
}

static int
query_format(uint32_t format)
{
    switch(format){
    case IMGFMT_YV12:
// it seems buggy (not hw accelerated), so just use YV12 instead!
//    case IMGFMT_I420:
//    case IMGFMT_IYUV:
    case IMGFMT_YUY2:
    case IMGFMT_UYVY:
    case IMGFMT_YVYU:
        return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD |
            VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN;
    case IMGFMT_RGB15:
    case IMGFMT_BGR15:
    case IMGFMT_RGB16:
    case IMGFMT_BGR16:
    case IMGFMT_RGB24:
    case IMGFMT_BGR24:
    case IMGFMT_RGB32:
    case IMGFMT_BGR32:
        return VFCAP_CSP_SUPPORTED | VFCAP_OSD | VFCAP_FLIP;
    }
    return 0;
}


static void
uninit(void)
{
#ifdef HAVE_X11
    struct sdl_priv_s *priv = &sdl_priv;
    if(priv->X) {
		if( mp_msg_test(MSGT_VO,MSGL_V) ) {
 			mp_msg(MSGT_VO,MSGL_V, "SDL: activating XScreensaver/DPMS\n"); }
		vo_x11_uninit();
	}
#endif
	sdl_close();

	/* Cleanup SDL */
    if(SDL_WasInit(SDL_INIT_VIDEO))
        SDL_QuitSubSystem(SDL_INIT_VIDEO);

	if( mp_msg_test(MSGT_VO,MSGL_DBG3) ) {
 		mp_msg(MSGT_VO,MSGL_DBG3, "SDL: Closed Plugin\n"); }

}

static int preinit(const char *arg)
{
    struct sdl_priv_s *priv = &sdl_priv;
    char * sdl_driver = NULL;
    int sdl_hwaccel;
    int sdl_forcexv;
    opt_t subopts[] = {
	    {"forcexv", OPT_ARG_BOOL,  &sdl_forcexv, NULL, 0},
	    {"hwaccel", OPT_ARG_BOOL,  &sdl_hwaccel, NULL, 0},
	    {"driver",  OPT_ARG_MSTRZ, &sdl_driver,  NULL, 0},
	    {NULL, 0, NULL, NULL, 0}
    };

    sdl_forcexv = 1;
    sdl_hwaccel = 1;

    if (subopt_parse(arg, subopts) != 0) return -1;

    priv->rgbsurface = NULL;
    priv->overlay = NULL;
    priv->surface = NULL;

    if( mp_msg_test(MSGT_VO,MSGL_DBG3) ) {
        mp_msg(MSGT_VO,MSGL_DBG3, "SDL: Opening Plugin\n"); }

    if(sdl_driver) {
        setenv("SDL_VIDEODRIVER", sdl_driver, 1);
    free(sdl_driver);
    }

    /* does the user want SDL to try and force Xv */
    if(sdl_forcexv)	setenv("SDL_VIDEO_X11_NODIRECTCOLOR", "1", 1);
    else setenv("SDL_VIDEO_X11_NODIRECTCOLOR", "0", 1);

    /* does the user want to disable Xv and use software scaling instead */
    if(sdl_hwaccel) setenv("SDL_VIDEO_YUV_HWACCEL", "1", 1);
    else setenv("SDL_VIDEO_YUV_HWACCEL", "0", 1);

    /* default to no fullscreen mode, we'll set this as soon we have the avail. modes */
    priv->fullmode = -2;

    priv->fullmodes = NULL;
    priv->bpp = 0;

    /* initialize the SDL Video system */
    if (!SDL_WasInit(SDL_INIT_VIDEO)) {
        if (SDL_Init (SDL_INIT_VIDEO|SDL_INIT_NOPARACHUTE)) {
            mp_msg(MSGT_VO,MSGL_ERR, MSGTR_LIBVO_SDL_InitializationFailed, SDL_GetError());

            return -1;
        }
    }

    SDL_VideoDriverName(priv->driver, 8);
    mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SDL_UsingDriver, priv->driver);

    priv->X = 0;
#ifdef HAVE_X11
    if(vo_init()) {
		if( mp_msg_test(MSGT_VO,MSGL_V) ) {
			mp_msg(MSGT_VO,MSGL_V, "SDL: deactivating XScreensaver/DPMS\n"); }
		priv->XWidth = vo_screenwidth;
		priv->XHeight = vo_screenheight;
		priv->X = 1;
		if( mp_msg_test(MSGT_VO,MSGL_V) ) {
			mp_msg(MSGT_VO,MSGL_V, "SDL: X11 Resolution %ix%i\n", priv->XWidth, priv->XHeight); }
	}
#endif

    return 0;
}

static uint32_t get_image(mp_image_t *mpi)
{
    struct sdl_priv_s *priv = &sdl_priv;

    if(priv->format != mpi->imgfmt) return VO_FALSE;
    if(mpi->type == MP_IMGTYPE_STATIC || mpi->type == MP_IMGTYPE_TEMP) {
        if(mpi->flags&MP_IMGFLAG_PLANAR) {
	    mpi->planes[0] = priv->overlay->pixels[0] + priv->y*priv->overlay->pitches[0];
	    mpi->stride[0] = priv->overlay->pitches[0];
	    if(mpi->flags&MP_IMGFLAG_SWAPPED) {
		mpi->planes[1] = priv->overlay->pixels[1] + priv->y*priv->overlay->pitches[1]/2;
		mpi->stride[1] = priv->overlay->pitches[1];
		mpi->planes[2] = priv->overlay->pixels[2] + priv->y*priv->overlay->pitches[2]/2;
		mpi->stride[2] = priv->overlay->pitches[2];
	    } else {
		mpi->planes[2] = priv->overlay->pixels[1] + priv->y*priv->overlay->pitches[1]/2;
		mpi->stride[2] = priv->overlay->pitches[1];
		mpi->planes[1] = priv->overlay->pixels[2] + priv->y*priv->overlay->pitches[2]/2;
		mpi->stride[1] = priv->overlay->pitches[2];
	    }
        }
        else if(IMGFMT_IS_RGB(priv->format) || IMGFMT_IS_BGR(priv->format)) {
            if(priv->dblit) {
                if(mpi->type == MP_IMGTYPE_STATIC && (priv->surface->flags & SDL_DOUBLEBUF))
                    return VO_FALSE;
                
                mpi->planes[0] = (uint8_t *)priv->surface->pixels + priv->y*priv->surface->pitch;
                mpi->stride[0] = priv->surface->pitch;
            }
            else {
                mpi->planes[0] = (uint8_t *)priv->rgbsurface->pixels + priv->y*priv->rgbsurface->pitch;
                mpi->stride[0] = priv->rgbsurface->pitch;
            }
        }
        else {
            mpi->planes[0] = priv->overlay->pixels[0] + priv->y*priv->overlay->pitches[0];
            mpi->stride[0] = priv->overlay->pitches[0];
        }

        mpi->flags|=MP_IMGFLAG_DIRECT;
        return VO_TRUE;
    }

    return VO_FALSE;
}

static int control(uint32_t request, void *data, ...)
{
  struct sdl_priv_s *priv = &sdl_priv;
  switch (request) {
  case VOCTRL_GET_IMAGE:
      return get_image(data);
  case VOCTRL_QUERY_FORMAT:
    return query_format(*((uint32_t*)data));
  case VOCTRL_FULLSCREEN:
    if (priv->surface->flags & SDL_FULLSCREEN) {
      set_video_mode(priv->windowsize.w, priv->windowsize.h, priv->bpp, priv->sdlflags);
      SDL_ShowCursor(1);
      if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
	mp_msg(MSGT_VO,MSGL_DBG2, "SDL: Windowed mode\n"); }
    } else if (priv->fullmodes) {
      set_fullmode(priv->fullmode);
      if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
	mp_msg(MSGT_VO,MSGL_DBG2, "SDL: Set fullscreen mode\n"); }
    }
    return VO_TRUE;
  }

  return VO_NOTIMPL;
}