--- /dev/null
+/*****************************************************************************
+ * directfb.c: DirectFB video output display method
+ *****************************************************************************
+ * Copyright (C) 2005 the VideoLAN team
+ *
+ * Authors: Iuri Diniz <iuri@digizap.com.br>
+ *
+ * This code is based in sdl.c and fb.c, thanks for VideoLAN team.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <errno.h> /* ENOMEM */
+#include <stdlib.h> /* free() */
+#include <string.h> /* strerror() */
+
+#include <vlc/vlc.h>
+#include <vlc/vout.h>
+#include <directfb.h>
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int Create ( vlc_object_t * );
+static void Destroy ( vlc_object_t * );
+
+static int Init ( vout_thread_t * );
+static void End ( vout_thread_t * );
+static int Manage ( vout_thread_t * );
+static void Display ( vout_thread_t *, picture_t * );
+
+static int OpenDisplay ( vout_thread_t * );
+static void CloseDisplay ( vout_thread_t * );
+
+struct vout_sys_t
+{
+ IDirectFB *p_directfb;
+ IDirectFBSurface *p_primary;
+ DFBSurfacePixelFormat p_pixel_format;
+
+ int i_width;
+ int i_height;
+
+ byte_t* p_pixels;
+};
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+vlc_module_begin();
+ set_shortname( "DirectFB" );
+ set_category( CAT_VIDEO );
+ set_subcategory( SUBCAT_VIDEO_VOUT );
+ set_description( _("DirectFB video output http://www.directfb.org/") );
+ set_capability( "video output", 60 );
+ add_shortcut( "directfb" );
+ set_callbacks( Create, Destroy );
+vlc_module_end();
+
+
+static int Create( vlc_object_t *p_this )
+{
+ vout_thread_t *p_vout = (vout_thread_t *)p_this;
+ vout_sys_t *p_sys = NULL;
+ p_vout->pf_init = Init;
+ p_vout->pf_end = End;
+ p_vout->pf_manage = Manage;
+ p_vout->pf_render = NULL;
+ p_vout->pf_display = Display;
+
+ /* Allocate structure */
+ p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
+ if( !p_sys )
+ {
+ msg_Err( p_vout, "out of memory" );
+ return VLC_ENOMEM;
+ }
+
+ p_sys->p_directfb = NULL;
+ p_sys->p_primary = NULL;
+ p_sys->p_pixels = NULL;
+ p_sys->i_width = 0;
+ p_sys->i_height = 0;
+
+ /* Init DirectFB */
+ if( DirectFBInit(NULL,NULL) != DFB_OK )
+ {
+ msg_Err(p_vout, "Cannot init DirectFB");
+ return VLC_EGENERIC;
+ }
+
+ if( OpenDisplay( p_vout ) )
+ {
+ msg_Err(p_vout, "Cannot create primary surface");
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+ return VLC_SUCCESS;
+}
+
+
+static int Init( vout_thread_t *p_vout )
+{
+ vout_sys_t *p_sys = p_vout->p_sys;
+ IDirectFBSurface *p_primary = (IDirectFBSurface *) p_vout->p_sys->p_primary;
+ byte_t* p_pixels = NULL;
+ picture_t *p_pic = NULL;
+ int i_rlength, i_glength, i_blength;
+ int i_roffset, i_goffset, i_boffset;
+ int i_line_pitch;
+ int i_size;
+ int i_index;
+
+ I_OUTPUTPICTURES = 0;
+
+ switch( p_sys->p_pixel_format )
+ {
+ case DSPF_RGB332:
+ /* 8 bit RGB (1 byte, red 3@5, green 3@2, blue 2@0) */
+ /* i_pixel_pitch = 1; */
+ i_rlength = 3;
+ i_roffset = 5;
+ i_glength = 3;
+ i_goffset = 2;
+ i_blength = 2;
+ i_boffset = 0;
+ p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
+ break;
+
+ case DSPF_RGB16:
+ /* 16 bit RGB (2 byte, red 5@11, green 6@5, blue 5@0) */
+ /* i_pixel_pitch = 2; */
+ i_rlength = 5;
+ i_roffset = 11;
+ i_glength = 6;
+ i_goffset = 5;
+ i_blength = 5;
+ i_boffset = 0;
+ p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
+ break;
+
+ case DSPF_RGB24:
+ /* 24 bit RGB (3 byte, red 8@16, green 8@8, blue 8@0) */
+ /* i_pixel_pitch = 3; */
+ i_rlength = 8;
+ i_roffset = 16;
+ i_glength = 8;
+ i_goffset = 8;
+ i_blength = 8;
+ i_boffset = 0;
+ p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
+ break;
+
+ case DSPF_RGB32:
+ /* 24 bit RGB (4 byte, nothing@24, red 8@16, green 8@8, blue 8@0) */
+ /* i_pixel_pitch = 4; */
+ i_rlength = 8;
+ i_roffset = 16;
+ i_glength = 8;
+ i_goffset = 8;
+ i_blength = 8;
+ i_boffset = 0;
+ p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
+ break;
+
+ default:
+ msg_Err( p_vout, "unknown screen depth %i",
+ p_sys->p_pixel_format );
+ return VLC_EGENERIC;
+ }
+ /* Set the RGB masks */
+ p_vout->output.i_rmask = ( (1 << i_rlength) - 1 ) << i_roffset;
+ p_vout->output.i_gmask = ( (1 << i_glength) - 1 ) << i_goffset;
+ p_vout->output.i_bmask = ( (1 << i_blength) - 1 ) << i_boffset;
+
+ /* Width and height */
+ p_vout->output.i_width = p_sys->i_width;
+ p_vout->output.i_height = p_sys->i_height;
+
+ /* The aspect */
+ p_vout->output.i_aspect = (p_sys->i_width * VOUT_ASPECT_FACTOR) /
+ p_sys->i_height;
+
+ /* Try to initialize 1 buffer */
+ /* Find an empty picture slot */
+ for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
+ {
+ if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
+ {
+ p_pic = p_vout->p_picture + i_index;
+ break;
+ }
+ }
+
+ /* Allocate the picture */
+ if( !p_pic )
+ return VLC_EGENERIC;
+
+ /* get the pixels */
+ if( p_primary->Lock( p_primary, DSLF_READ, (void **) &p_pixels,
+ &i_line_pitch) != DFB_OK )
+ return VLC_EGENERIC;
+
+ /* allocate p_pixels */
+ i_size = i_line_pitch * p_sys->i_height;
+ p_sys->p_pixels = malloc( sizeof(byte_t) * i_size );
+ if( p_sys->p_pixels == NULL )
+ {
+ p_primary->Unlock(p_primary);
+ return VLC_ENOMEM;
+ }
+
+ /* copy pixels */
+ memcpy( p_sys->p_pixels, p_pixels, i_size );
+ if( p_primary->Unlock(p_primary) != DFB_OK )
+ {
+ return VLC_EGENERIC;
+ }
+
+ p_pic->p->p_pixels = p_sys->p_pixels;
+ p_pic->p->i_pixel_pitch = i_line_pitch / p_sys->i_width;
+ p_pic->p->i_lines = p_sys->i_height;
+ p_pic->p->i_visible_lines = p_sys->i_height;
+ p_pic->p->i_pitch = i_line_pitch;
+ p_pic->p->i_visible_pitch = i_line_pitch;
+ p_pic->i_planes = 1;
+ p_pic->i_status = DESTROYED_PICTURE;
+ p_pic->i_type = DIRECT_PICTURE;
+
+ PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
+
+ I_OUTPUTPICTURES++;
+
+ return VLC_SUCCESS;
+}
+
+static void End( vout_thread_t *p_vout )
+{
+ vout_sys_t *p_sys = p_vout->p_sys;
+
+ if( p_sys->p_pixels )
+ free( p_sys->p_pixels );
+}
+
+static void Destroy( vlc_object_t *p_this )
+{
+ vout_thread_t *p_vout = (vout_thread_t *)p_this;
+ vout_sys_t *p_sys = p_vout->p_sys;
+
+ CloseDisplay( p_vout );
+ if( p_sys ) free( p_sys );
+ p_sys = NULL;
+}
+
+static int Manage( vout_thread_t *p_vout )
+{
+ return VLC_SUCCESS;
+}
+
+static void Display( vout_thread_t *p_vout, picture_t *p_pic )
+{
+ vout_sys_t *p_sys = p_vout->p_sys;
+ IDirectFBSurface *p_primary = (IDirectFBSurface *) p_sys->p_primary;
+ byte_t* p_pixels = NULL;
+ int i_size;
+ int i_line_pitch;
+
+ /* get the pixels */
+ if( p_primary->Lock( p_primary, DSLF_WRITE,
+ (void **) &p_pixels,
+ &i_line_pitch) == DFB_OK )
+ {
+ i_size = i_line_pitch * p_vout->p_sys->i_height;
+
+ /* copy pixels */
+ memcpy( p_pixels, p_pic->p->p_pixels, i_size);
+ if( p_primary->Unlock(p_primary) == DFB_OK )
+ {
+ p_primary->Flip(p_primary, NULL, 0);
+ }
+ }
+}
+
+static int OpenDisplay( vout_thread_t *p_vout )
+{
+ vout_sys_t *p_sys = p_vout->p_sys;
+ IDirectFB *p_directfb = NULL;
+ IDirectFBSurface *p_primary = NULL;
+ DFBSurfaceDescription dsc;
+
+ /*dsc.flags = DSDESC_CAPS | DSDESC_HEIGHT | DSDESC_WIDTH;*/
+ dsc.flags = DSDESC_CAPS;
+ dsc.caps = DSCAPS_PRIMARY | DSCAPS_FLIPPING;
+
+ /*dsc.width = 352;*/
+ /*dsc.height = 240;*/
+ if( DirectFBCreate( &p_directfb ) != DFB_OK )
+ return VLC_EGENERIC;
+
+ p_sys->p_directfb = p_directfb;
+ if( !p_directfb )
+ return VLC_EGENERIC;
+
+ if( p_directfb->CreateSurface( p_directfb, &dsc, &p_primary ) )
+ return VLC_EGENERIC;
+
+ p_sys->p_primary = p_primary;
+ if( !p_primary )
+ return VLC_EGENERIC;
+
+ p_primary->GetSize( p_primary, &p_sys->i_width,
+ &p_sys->i_height );
+ p_primary->GetPixelFormat( p_primary, &p_sys->p_pixel_format );
+ p_primary->FillRectangle( p_primary, 0, 0, p_sys->i_width,
+ p_sys->i_height );
+ p_primary->Flip( p_primary, NULL, 0 );
+
+ return VLC_SUCCESS;
+}
+
+static void CloseDisplay( vout_thread_t *p_vout )
+{
+ vout_sys_t *p_sys = p_vout->p_sys;
+ IDirectFB *p_directfb = p_sys->p_directfb;
+ IDirectFBSurface *p_primary = p_sys->p_primary;
+
+ if( p_primary )
+ p_primary->Release( p_primary );
+
+ if( p_directfb )
+ p_directfb->Release( p_directfb );
+}
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