-
-/*****************************************************************************
- * Display: displays previously rendered output
- *****************************************************************************
- * This function sends the currently rendered image to the display.
- *****************************************************************************/
-static void Display( vout_thread_t *p_vout, picture_t *p_pic )
-{
- unsigned int x, y, w, h;
- SDL_Rect disp;
-
- vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
- &x, &y, &w, &h );
- disp.x = x;
- disp.y = y;
- disp.w = w;
- disp.h = h;
-
- if( p_vout->p_sys->p_overlay == NULL )
- {
- /* RGB picture */
- SDL_Flip( p_vout->p_sys->p_display );
- }
- else
- {
- /* Overlay picture */
- SDL_UnlockYUVOverlay( p_pic->p_sys->p_overlay);
- SDL_DisplayYUVOverlay( p_pic->p_sys->p_overlay , &disp );
- SDL_LockYUVOverlay( p_pic->p_sys->p_overlay);
- }
-}
-
-/* following functions are local */
-
-/*****************************************************************************
- * OpenDisplay: open and initialize SDL device
- *****************************************************************************
- * Open and initialize display according to preferences specified in the vout
- * thread fields.
- *****************************************************************************/
-static int OpenDisplay( vout_thread_t *p_vout )
-{
- uint32_t i_flags;
- int i_bpp;
-
- /* SDL fucked up fourcc definitions on bigendian machines */
- uint32_t i_sdl_chroma;
- char *psz_chroma = NULL;
- vlc_fourcc_t i_chroma = 0;
-
- bool b_overlay = config_GetInt( p_vout, "overlay" );
-
- /* Set main window's size */
-#if SDL_VERSION_ATLEAST(1,2,10)
- p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_width :
- p_vout->i_window_width;
- p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->p_sys->i_desktop_height :
- p_vout->i_window_height;
-#else
- p_vout->p_sys->i_width = p_vout->b_fullscreen ? p_vout->output.i_width :
- p_vout->i_window_width;
- p_vout->p_sys->i_height = p_vout->b_fullscreen ? p_vout->output.i_height :
- p_vout->i_window_height;
-#endif
-
- /* Initialize flags and cursor */
- i_flags = SDL_ANYFORMAT | SDL_HWPALETTE | SDL_HWSURFACE | SDL_DOUBLEBUF;
- i_flags |= p_vout->b_fullscreen ? SDL_FULLSCREEN : SDL_RESIZABLE;
-
- i_bpp = SDL_VideoModeOK( p_vout->p_sys->i_width, p_vout->p_sys->i_height,
- SDL_DEFAULT_BPP, i_flags );
- if( i_bpp == 0 )
- {
- msg_Err( p_vout, "no video mode available" );
- return VLC_EGENERIC;
- }
-
- p_vout->p_sys->p_display = SDL_SetVideoMode( p_vout->p_sys->i_width,
- p_vout->p_sys->i_height,
- i_bpp, i_flags );
-
- if( p_vout->p_sys->p_display == NULL )
- {
- msg_Err( p_vout, "cannot set video mode" );
- return VLC_EGENERIC;
- }
-
- SDL_LockSurface( p_vout->p_sys->p_display );
-
- if( ( psz_chroma = config_GetPsz( p_vout, "sdl-chroma" ) ) )
- {
- i_chroma = vlc_fourcc_GetCodecFromString( VIDEO_ES, psz_chroma );
- if( i_chroma )
- {
- msg_Dbg( p_vout, "Forcing chroma to 0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
- }
- else
- {
- free( psz_chroma );
- psz_chroma = NULL;
- }
- }
-
- if( b_overlay )
- {
- /* Choose the chroma we will try first. */
- do
- {
- if( !psz_chroma ) i_chroma = 0;
- switch( i_chroma ? i_chroma : p_vout->render.i_chroma )
- {
- case VLC_CODEC_YUYV:
- p_vout->output.i_chroma = VLC_CODEC_YUYV;
- i_sdl_chroma = SDL_YUY2_OVERLAY;
- break;
- case VLC_CODEC_UYVY:
- p_vout->output.i_chroma = VLC_CODEC_UYVY;
- i_sdl_chroma = SDL_UYVY_OVERLAY;
- break;
- case VLC_CODEC_YVYU:
- p_vout->output.i_chroma = VLC_CODEC_YVYU;
- i_sdl_chroma = SDL_YVYU_OVERLAY;
- break;
- case VLC_CODEC_YV12:
- case VLC_CODEC_I420:
- default:
- p_vout->output.i_chroma = VLC_CODEC_YV12;
- i_sdl_chroma = SDL_YV12_OVERLAY;
- break;
- }
- free( psz_chroma ); psz_chroma = NULL;
-
- p_vout->p_sys->p_overlay =
- SDL_CreateYUVOverlay( 32, 32, i_sdl_chroma,
- p_vout->p_sys->p_display );
- /* FIXME: if the first overlay we find is software, don't stop,
- * because we may find a hardware one later ... */
- }
- while( i_chroma && !p_vout->p_sys->p_overlay );
-
-
- /* If this best choice failed, fall back to other chromas */
- if( p_vout->p_sys->p_overlay == NULL )
- {
- p_vout->output.i_chroma = VLC_CODEC_I420;
- p_vout->p_sys->p_overlay =
- SDL_CreateYUVOverlay( 32, 32, SDL_IYUV_OVERLAY,
- p_vout->p_sys->p_display );
- }
-
- if( p_vout->p_sys->p_overlay == NULL )
- {
- p_vout->output.i_chroma = VLC_CODEC_YV12;
- p_vout->p_sys->p_overlay =
- SDL_CreateYUVOverlay( 32, 32, SDL_YV12_OVERLAY,
- p_vout->p_sys->p_display );
- }
-
- if( p_vout->p_sys->p_overlay == NULL )
- {
- p_vout->output.i_chroma = VLC_CODEC_YUYV;
- p_vout->p_sys->p_overlay =
- SDL_CreateYUVOverlay( 32, 32, SDL_YUY2_OVERLAY,
- p_vout->p_sys->p_display );
- }
- }
-
- if( p_vout->p_sys->p_overlay == NULL )
- {
- if( b_overlay )
- msg_Warn( p_vout, "no SDL overlay for 0x%.8x (%4.4s)",
- p_vout->render.i_chroma,
- (char*)&p_vout->render.i_chroma );
- else
- msg_Warn( p_vout, "SDL overlay disabled by the user" );
-
- switch( p_vout->p_sys->p_display->format->BitsPerPixel )
- {
- case 8:
- p_vout->output.i_chroma = VLC_CODEC_RGB8;
- p_vout->output.pf_setpalette = SetPalette;
- break;
- case 15:
- p_vout->output.i_chroma = VLC_CODEC_RGB15;
- break;
- case 16:
- p_vout->output.i_chroma = VLC_CODEC_RGB16;
- break;
- case 24:
- p_vout->output.i_chroma = VLC_CODEC_RGB24;
- break;
- case 32:
- p_vout->output.i_chroma = VLC_CODEC_RGB32;
- break;
- default:
- msg_Err( p_vout, "unknown screen depth %i",
- p_vout->p_sys->p_display->format->BitsPerPixel );
- SDL_UnlockSurface( p_vout->p_sys->p_display );
- SDL_FreeSurface( p_vout->p_sys->p_display );
- return VLC_EGENERIC;
- }
-
- p_vout->output.i_rmask = p_vout->p_sys->p_display->format->Rmask;
- p_vout->output.i_gmask = p_vout->p_sys->p_display->format->Gmask;
- p_vout->output.i_bmask = p_vout->p_sys->p_display->format->Bmask;
-
- SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
- VOUT_TITLE " (software RGB SDL output)" );
- }
- else
- {
- if( p_vout->p_sys->p_overlay->hw_overlay )
- {
- SDL_WM_SetCaption( VOUT_TITLE " (hardware YUV SDL output)",
- VOUT_TITLE " (hardware YUV SDL output)" );
- }
- else
- {
- SDL_WM_SetCaption( VOUT_TITLE " (software YUV SDL output)",
- VOUT_TITLE " (software YUV SDL output)" );
- }
- }
-
- SDL_EventState( SDL_KEYUP, SDL_IGNORE ); /* ignore keys up */
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * CloseDisplay: close and reset SDL device
- *****************************************************************************
- * This function returns all resources allocated by OpenDisplay and restore
- * the original state of the device.
- *****************************************************************************/
-static void CloseDisplay( vout_thread_t *p_vout )
-{
- SDL_FreeYUVOverlay( p_vout->p_sys->p_overlay );
- SDL_UnlockSurface ( p_vout->p_sys->p_display );
- SDL_FreeSurface( p_vout->p_sys->p_display );
-}
-
-/*****************************************************************************
- * NewPicture: allocate a picture
- *****************************************************************************
- * Returns 0 on success, -1 otherwise
- *****************************************************************************/
-static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
-{
- int i_width = p_vout->output.i_width;
- int i_height = p_vout->output.i_height;
-
- if( p_vout->p_sys->p_overlay == NULL )
- {
- /* RGB picture */
- if( p_vout->p_sys->i_surfaces )
- {
- /* We already allocated this surface, return */
- return VLC_EGENERIC;
- }
-
- p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
-
- if( p_pic->p_sys == NULL )
- {
- return VLC_ENOMEM;
- }
-
- switch( p_vout->p_sys->p_display->format->BitsPerPixel )
- {
- case 8:
- p_pic->p->i_pixel_pitch = 1;
- break;
- case 15:
- case 16:
- p_pic->p->i_pixel_pitch = 2;
- break;
- case 24:
- case 32:
- p_pic->p->i_pixel_pitch = 4;
- break;
- default:
- return VLC_EGENERIC;
- }
-
- p_pic->p->p_pixels = p_vout->p_sys->p_display->pixels;
- p_pic->p->i_lines = p_vout->p_sys->p_display->h;
- p_pic->p->i_visible_lines = p_vout->p_sys->p_display->h;
- p_pic->p->i_pitch = p_vout->p_sys->p_display->pitch;
- p_pic->p->i_visible_pitch =
- p_pic->p->i_pixel_pitch * p_vout->p_sys->p_display->w;
-
- p_vout->p_sys->i_surfaces++;
-
- p_pic->i_planes = 1;
- }
- else
- {
- p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
-
- if( p_pic->p_sys == NULL )
- {
- return VLC_ENOMEM;
- }
-
- p_pic->p_sys->p_overlay =
- SDL_CreateYUVOverlay( i_width, i_height,
- p_vout->output.i_chroma,
- p_vout->p_sys->p_display );
-
- if( p_pic->p_sys->p_overlay == NULL )
- {
- free( p_pic->p_sys );
- return VLC_EGENERIC;
- }
-
- SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
-
- p_pic->Y_PIXELS = p_pic->p_sys->p_overlay->pixels[0];
- p_pic->p[Y_PLANE].i_lines = p_pic->p_sys->p_overlay->h;
- p_pic->p[Y_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h;
- p_pic->p[Y_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[0];
-
- switch( p_vout->output.i_chroma )
- {
- case SDL_YV12_OVERLAY:
- p_pic->p[Y_PLANE].i_pixel_pitch = 1;
- p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
-
- p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
- p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
- p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
- p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
- p_pic->p[U_PLANE].i_pixel_pitch = 1;
- p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
-
- p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
- p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
- p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
- p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
- p_pic->p[V_PLANE].i_pixel_pitch = 1;
- p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
-
- p_pic->i_planes = 3;
- break;
-
- case SDL_IYUV_OVERLAY:
- p_pic->p[Y_PLANE].i_pixel_pitch = 1;
- p_pic->p[Y_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w;
-
- p_pic->U_PIXELS = p_pic->p_sys->p_overlay->pixels[1];
- p_pic->p[U_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
- p_pic->p[U_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
- p_pic->p[U_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[1];
- p_pic->p[U_PLANE].i_pixel_pitch = 1;
- p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
-
- p_pic->V_PIXELS = p_pic->p_sys->p_overlay->pixels[2];
- p_pic->p[V_PLANE].i_lines = p_pic->p_sys->p_overlay->h / 2;
- p_pic->p[V_PLANE].i_visible_lines = p_pic->p_sys->p_overlay->h / 2;
- p_pic->p[V_PLANE].i_pitch = p_pic->p_sys->p_overlay->pitches[2];
- p_pic->p[V_PLANE].i_pixel_pitch = 1;
- p_pic->p[V_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w / 2;
-
- p_pic->i_planes = 3;
- break;
-
- default:
- p_pic->p[Y_PLANE].i_pixel_pitch = 2;
- p_pic->p[U_PLANE].i_visible_pitch = p_pic->p_sys->p_overlay->w * 2;
-
- p_pic->i_planes = 1;
- break;
- }
- }
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * SetPalette: sets an 8 bpp palette
- *****************************************************************************/
-static void SetPalette( vout_thread_t *p_vout,
- uint16_t *red, uint16_t *green, uint16_t *blue )
-{
- SDL_Color colors[256];
- int i;
-
- /* Fill colors with color information */
- for( i = 0; i < 256; i++ )
- {
- colors[ i ].r = red[ i ] >> 8;
- colors[ i ].g = green[ i ] >> 8;
- colors[ i ].b = blue[ i ] >> 8;
- }
-
- /* Set palette */
- if( SDL_SetColors( p_vout->p_sys->p_display, colors, 0, 256 ) == 0 )
- {
- msg_Err( p_vout, "failed to set palette" );
- }
-}
-