* vout_sdl.c: SDL video output display method
*****************************************************************************
* Copyright (C) 1998-2001 VideoLAN
- * $Id: vout_sdl.c,v 1.75 2002/01/02 14:37:42 sam Exp $
+ * $Id: vout_sdl.c,v 1.76 2002/01/04 14:01:34 sam Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Pierre Baillet <oct@zoy.org>
int i_width;
int i_height;
+ /* For YUV output */
+ u32 i_chroma; /* The internally selected chroma */
+
+ /* For RGB output */
int i_surfaces;
+ int i_red_mask;
+ int i_green_mask;
+ int i_blue_mask;
boolean_t b_cursor;
boolean_t b_cursor_autohidden;
} picture_sys_t;
+/*****************************************************************************
+ * Seeking function TODO: put this in a generic location !
+ *****************************************************************************/
+static __inline__ void vout_Seek( off_t i_seek )
+{
+#define area p_main->p_intf->p_input->stream.p_selected_area
+ off_t i_tell = area->i_tell;
+
+ i_tell += i_seek * (off_t)50 * p_main->p_intf->p_input->stream.i_mux_rate;
+
+ i_tell = ( i_tell <= area->i_start ) ? area->i_start
+ : ( i_tell >= area->i_size ) ? area->i_size
+ : i_tell;
+
+ input_Seek( p_main->p_intf->p_input, i_tell );
+#undef area
+}
+
+/*****************************************************************************
+ * Return the best suited FourCC value for a given chroma. We use this
+ * because a decoder may output FOURCC_IYUV, which is exactly the same as
+ * FOURCC_I420, but X servers usually know FOURCC_I420 and not FOURCC_IYUV.
+ *****************************************************************************/
+static __inline__ u32 BestChroma( u32 i_chroma )
+{
+ /* XXX: don't forget to update vout_Init if you change this */
+ switch( i_chroma )
+ {
+ /* These ones are almost the same */
+ case FOURCC_I420:
+ case FOURCC_IYUV:
+ case FOURCC_YV12:
+ return SDL_YV12_OVERLAY;
+
+ /* These ones are all the same */
+ case FOURCC_UYVY:
+ case FOURCC_UYNV:
+ case FOURCC_Y422:
+ return SDL_UYVY_OVERLAY;
+
+ /* These ones are all the same */
+ case FOURCC_YUY2:
+ case FOURCC_YUNV:
+ return SDL_YUY2_OVERLAY;
+
+ /* We know this one */
+ case FOURCC_YVYU:
+ return SDL_YVYU_OVERLAY;
+
+ /* This is seldom supported, but we know how to convert it */
+ case FOURCC_I422:
+ return SDL_YUY2_OVERLAY;
+
+ /* We don't know this chroma, but maybe SDL does */
+ default:
+ return i_chroma;
+ }
+}
+
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
static void vout_End ( struct vout_thread_s * );
static void vout_Destroy ( struct vout_thread_s * );
static int vout_Manage ( struct vout_thread_s * );
+static void vout_Render ( struct vout_thread_s *, struct picture_s * );
static void vout_Display ( struct vout_thread_s *, struct picture_s * );
static int SDLOpenDisplay ( vout_thread_t *p_vout );
p_function_list->functions.vout.pf_end = vout_End;
p_function_list->functions.vout.pf_destroy = vout_Destroy;
p_function_list->functions.vout.pf_manage = vout_Manage;
+ p_function_list->functions.vout.pf_render = vout_Render;
p_function_list->functions.vout.pf_display = vout_Display;
p_function_list->functions.vout.pf_setpalette = NULL;
}
*****************************************************************************/
static int vout_Create( vout_thread_t *p_vout )
{
+ if( SDL_WasInit( SDL_INIT_VIDEO ) != 0 )
+ {
+ return( 1 );
+ }
+
/* Allocate structure */
p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_vout->p_sys == NULL )
return( 1 );
}
- p_vout->p_sys->b_cursor = 1; /* TODO should be done with a main_GetInt.. */
+ p_vout->p_sys->b_cursor = 1;
p_vout->p_sys->b_cursor_autohidden = 0;
p_vout->p_sys->i_lastmoved = mdate();
I_OUTPUTPICTURES = 0;
/* Initialize the output structure */
- switch( p_vout->render.i_chroma )
+ if( p_vout->p_sys->p_overlay == NULL )
+ {
+ /* All we have is an RGB image with square pixels */
+ p_vout->output.i_chroma = p_vout->p_sys->i_chroma;
+ p_vout->output.i_width = p_vout->p_sys->i_width;
+ p_vout->output.i_height = p_vout->p_sys->i_height;
+ p_vout->output.i_aspect = p_vout->p_sys->i_width
+ * VOUT_ASPECT_FACTOR
+ / p_vout->p_sys->i_height;
+ }
+ else
{
+ switch( p_vout->render.i_chroma )
+ {
case FOURCC_I420:
case FOURCC_IYUV:
case FOURCC_YV12:
+
+ case FOURCC_UYVY:
+ case FOURCC_UYNV:
+ case FOURCC_Y422:
+
+ case FOURCC_YUY2:
+ case FOURCC_YUNV:
+
+ case FOURCC_YVYU:
+ /* We can directly handle all these chromas */
p_vout->output.i_chroma = p_vout->render.i_chroma;
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
break;
+ case FOURCC_I422:
+ /* We need to convert this one, but at least we keep the
+ * aspect ratio */
+ p_vout->output.i_chroma = p_vout->p_sys->i_chroma;
+ p_vout->output.i_width = p_vout->render.i_width;
+ p_vout->output.i_height = p_vout->render.i_height;
+ p_vout->output.i_aspect = p_vout->render.i_aspect;
+ break;
+
default:
- /* All we have is a 16bpp image with square pixels */
- /* FIXME: and if screen depth != 16 ?! */
- p_vout->output.i_chroma = FOURCC_BI_BITFIELDS | DEPTH_16BPP;
- p_vout->output.i_width = p_vout->p_sys->i_width;
+ /* All we have is an RGB image with square pixels */
+ p_vout->output.i_chroma = p_vout->p_sys->i_chroma;
+ p_vout->output.i_width = p_vout->p_sys->i_width;
p_vout->output.i_height = p_vout->p_sys->i_height;
p_vout->output.i_aspect = p_vout->p_sys->i_width
- * VOUT_ASPECT_FACTOR / p_vout->p_sys->i_height;
+ * VOUT_ASPECT_FACTOR
+ / p_vout->p_sys->i_height;
break;
+ }
}
/* Try to initialize SDL_MAX_DIRECTBUFFERS direct buffers */
break;
}
- p_pic->i_status = DESTROYED_PICTURE;
- p_pic->i_type = DIRECT_PICTURE;
-
- p_pic->i_left_margin =
- p_pic->i_right_margin =
- p_pic->i_top_margin =
- p_pic->i_bottom_margin = 0;
+ p_pic->i_status = DESTROYED_PICTURE;
+ p_pic->i_type = DIRECT_PICTURE;
PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
for( i_index = I_OUTPUTPICTURES ; i_index ; )
{
i_index--;
- switch( p_vout->output.i_chroma )
+ if( p_vout->p_sys->p_overlay == NULL )
{
- case FOURCC_I420:
- case FOURCC_IYUV:
- case FOURCC_YV12:
- SDL_UnlockYUVOverlay(
- PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
- SDL_FreeYUVOverlay(
- PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
- break;
-
- default:
- /* RGB picture */
- break;
+ /* RGB picture */
+ }
+ else
+ {
+ SDL_UnlockYUVOverlay(
+ PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
+ SDL_FreeYUVOverlay(
+ PP_OUTPUTPICTURE[ i_index ]->p_sys->p_overlay );
}
free( PP_OUTPUTPICTURE[ i_index ]->p_sys );
}
free( p_vout->p_sys );
}
-static __inline__ void vout_Seek( off_t i_seek )
-{
-#define area p_main->p_intf->p_input->stream.p_selected_area
- off_t i_tell = area->i_tell;
-
- i_tell += i_seek * (off_t)50 * p_main->p_intf->p_input->stream.i_mux_rate;
-
- i_tell = ( i_tell <= area->i_start ) ? area->i_start
- : ( i_tell >= area->i_size ) ? area->i_size
- : i_tell;
-
- input_Seek( p_main->p_intf->p_input, i_tell );
-#undef area
-}
-
/*****************************************************************************
* vout_Manage: handle Sys events
*****************************************************************************
switch( event.key.keysym.sym )
{
case SDLK_q: /* quit */
- case SDLK_ESCAPE:
+ case SDLK_ESCAPE:
p_main->p_intf->b_die = 1;
break;
return( 0 );
}
+/*****************************************************************************
+ * vout_Render: render previously calculated output
+ *****************************************************************************/
+static void vout_Render( vout_thread_t *p_vout, picture_t *p_pic )
+{
+ ;
+}
+
/*****************************************************************************
* vout_Display: displays previously rendered output
*****************************************************************************
disp.w = w;
disp.h = h;
- switch( p_vout->output.i_chroma )
+ if( p_vout->p_sys->p_overlay == NULL )
{
- case FOURCC_I420:
- case FOURCC_IYUV:
- case FOURCC_YV12:
- 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);
- break;
-
- default:
- /* RGB picture */
- SDL_Flip(p_vout->p_sys->p_display);
- break;
+ /* 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);
}
}
SDL_LockSurface( p_vout->p_sys->p_display );
+ /* Ask BestChroma what we should use as a chroma */
+ p_vout->p_sys->i_chroma = BestChroma( p_vout->render.i_chroma );
+
p_vout->p_sys->p_overlay =
- SDL_CreateYUVOverlay( 32, 32, SDL_YV12_OVERLAY,
+ SDL_CreateYUVOverlay( 32, 32, p_vout->p_sys->i_chroma,
p_vout->p_sys->p_display );
+ /* See if BestChroma's guess was valid */
if( p_vout->p_sys->p_overlay == NULL )
{
- intf_ErrMsg( "vout error: cannot set overlay" );
- SDL_UnlockSurface( p_vout->p_sys->p_display );
- SDL_FreeSurface( p_vout->p_sys->p_display );
- return( 1 );
- }
+ intf_WarnMsg( 3, "vout warning: cannot set SDL overlay 0x%.8llx",
+ p_vout->p_sys->i_chroma );
- if( p_vout->p_sys->p_overlay->hw_overlay )
- {
- SDL_WM_SetCaption( VOUT_TITLE " (hardware SDL output)",
- VOUT_TITLE " (hardware SDL output)" );
+ switch( p_vout->p_sys->p_display->format->BitsPerPixel )
+ {
+ case 8:
+ p_vout->p_sys->i_chroma = FOURCC_BI_RGB;
+ break;
+ case 15:
+ p_vout->p_sys->i_chroma = FOURCC_RV15;
+ break;
+ case 16:
+ p_vout->p_sys->i_chroma = FOURCC_RV16;
+ break;
+ case 24:
+ p_vout->p_sys->i_chroma = FOURCC_BI_BITFIELDS;
+ break;
+ case 32:
+ p_vout->p_sys->i_chroma = FOURCC_BI_BITFIELDS;
+ break;
+ default:
+ intf_ErrMsg( "vout error: unknown screen depth" );
+ SDL_UnlockSurface( p_vout->p_sys->p_display );
+ SDL_FreeSurface( p_vout->p_sys->p_display );
+ return( -1 );
+ }
+
+ p_vout->p_sys->i_red_mask = p_vout->p_sys->p_display->format->Rmask;
+ p_vout->p_sys->i_green_mask = p_vout->p_sys->p_display->format->Gmask;
+ p_vout->p_sys->i_blue_mask = p_vout->p_sys->p_display->format->Bmask;
+
+ SDL_WM_SetCaption( VOUT_TITLE " (software RGB SDL output)",
+ VOUT_TITLE " (software RGB SDL output)" );
}
else
{
- SDL_WM_SetCaption( VOUT_TITLE " (software SDL output)",
- VOUT_TITLE " (software SDL output)" );
+ 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 */
*****************************************************************************/
static int SDLNewPicture( vout_thread_t *p_vout, picture_t *p_pic )
{
-#define P p_pic->planes
int i_width = p_vout->output.i_width;
int i_height = p_vout->output.i_height;
- switch( p_vout->output.i_chroma )
+ switch( p_vout->p_sys->i_chroma )
{
- case FOURCC_I420:
- case FOURCC_IYUV:
- case FOURCC_YV12:
+ case SDL_YV12_OVERLAY:
+ case SDL_IYUV_OVERLAY:
+ case SDL_YUY2_OVERLAY:
+ case SDL_UYVY_OVERLAY:
+ case SDL_YVYU_OVERLAY:
p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
if( p_pic->p_sys == NULL )
p_pic->p_sys->p_overlay =
SDL_CreateYUVOverlay( i_width, i_height,
- SDL_YV12_OVERLAY,
+ p_vout->p_sys->i_chroma,
p_vout->p_sys->p_display );
if( p_pic->p_sys->p_overlay == NULL )
SDL_LockYUVOverlay( p_pic->p_sys->p_overlay );
- /* FIXME: try to get the right i_bytes value from p_overlay */
- P[ Y_PLANE ].p_data = p_pic->p_sys->p_overlay->pixels[ 0 ];
- P[ Y_PLANE ].i_bytes = i_width * i_height;
- P[ Y_PLANE ].i_line_bytes = i_width;
+ 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_pitch = p_pic->p_sys->p_overlay->pitches[0];
+
+ switch( p_vout->p_sys->i_chroma )
+ {
+ case SDL_YV12_OVERLAY:
+ p_pic->p[Y_PLANE].i_pixel_bytes = 1;
+ p_pic->p[Y_PLANE].b_margin = 0;
+
+ 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_pitch = p_pic->p_sys->p_overlay->pitches[2];
+ p_pic->p[U_PLANE].i_pixel_bytes = 1;
+ p_pic->p[U_PLANE].b_margin = 0;
+
+ 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_pitch = p_pic->p_sys->p_overlay->pitches[1];
+ p_pic->p[V_PLANE].i_pixel_bytes = 1;
+ p_pic->p[V_PLANE].b_margin = 0;
+
+ p_pic->i_planes = 3;
+ break;
- P[ U_PLANE ].p_data = p_pic->p_sys->p_overlay->pixels[ 2 ];
- P[ U_PLANE ].i_bytes = i_width * i_height / 4;
- P[ U_PLANE ].i_line_bytes = i_width / 2;
+ case SDL_IYUV_OVERLAY:
+ p_pic->p[Y_PLANE].i_pixel_bytes = 1;
+ p_pic->p[Y_PLANE].b_margin = 0;
- P[ V_PLANE ].p_data = p_pic->p_sys->p_overlay->pixels[ 1 ];
- P[ V_PLANE ].i_bytes = i_width * i_height / 4;
- P[ V_PLANE ].i_line_bytes = i_width / 2;
+ 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_pitch = p_pic->p_sys->p_overlay->pitches[1];
+ p_pic->p[U_PLANE].i_pixel_bytes = 1;
+ p_pic->p[U_PLANE].b_margin = 0;
- p_pic->i_planes = 3;
+ 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_pitch = p_pic->p_sys->p_overlay->pitches[2];
+ p_pic->p[V_PLANE].i_pixel_bytes = 1;
+ p_pic->p[V_PLANE].b_margin = 0;
+
+ p_pic->i_planes = 3;
+ break;
+
+ default:
+ p_pic->p[Y_PLANE].i_pixel_bytes = 2;
+ p_pic->p[Y_PLANE].b_margin = 0;
+
+ p_pic->i_planes = 1;
+ break;
+ }
return 0;
- case FOURCC_BI_BITFIELDS | DEPTH_16BPP:
+ default:
+ /* RGB picture */
if( p_vout->p_sys->i_surfaces )
{
/* We already allocated this surface, return */
return -1;
}
- P[ MAIN_PLANE ].p_data = p_vout->p_sys->p_display->pixels;
- P[ MAIN_PLANE ].i_bytes = 2 * i_width * i_height;
- P[ MAIN_PLANE ].i_line_bytes = 2 * i_width;
+ 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_pitch = p_vout->p_sys->p_display->pitch;
+
+ p_pic->p->i_pixel_bytes = 2;
+ if( p_pic->p->i_pitch != 2 * p_vout->p_sys->p_display->w )
+ {
+ intf_ErrMsg("OOO XXX OOO --- Wooooooohoooo !! --- OOO XXX OOO");
+ intf_ErrMsg("%i != 2 * %i", p_pic->p->i_pitch, p_vout->p_sys->p_display->w );
+ }
+ p_pic->p->b_margin = 0;
+
+ p_pic->p->i_red_mask = p_vout->p_sys->p_display->format->Rmask;
+ p_pic->p->i_green_mask = p_vout->p_sys->p_display->format->Gmask;
+ p_pic->p->i_blue_mask = p_vout->p_sys->p_display->format->Bmask;
p_vout->p_sys->i_surfaces++;
p_pic->i_planes = 1;
return 0;
-
- default:
- /* Unknown chroma, tell the guy to get lost */
- p_pic->i_planes = 0;
-
- return -1;
}
-#undef P
}