+++ /dev/null
-/*****************************************************************************
- * svgalib.c : SVGAlib plugin for vlc
- *****************************************************************************
- * Copyright (C) 2002 the VideoLAN team
- * $Id$
- *
- * Authors: Samuel Hocevar <sam@zoy.org>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_vout.h>
-#include <vlc_interface.h>
-
-#include <vga.h>
-#include <vgagl.h>
-#include <vgakeyboard.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 void SetPalette( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-vlc_module_begin ()
- set_shortname( "SVGAlib" )
- set_category( CAT_VIDEO )
- set_subcategory( SUBCAT_VIDEO_VOUT )
- set_description( N_("SVGAlib video output") )
- set_capability( "video output", 0 )
- set_callbacks( Create, Destroy )
- cannot_unload_broken_library () /* SVGAlib uses atexit() */
-vlc_module_end ()
-
-/*****************************************************************************
- * vout_sys_t: video output descriptor
- *****************************************************************************
- * This structure is part of the video output thread descriptor.
- * It describes the SVGAlib specific properties of an output thread.
- *****************************************************************************/
-struct vout_sys_t
-{
- int i_vgamode;
-};
-
-/*****************************************************************************
- * Create: allocates video thread
- *****************************************************************************
- * This function allocates and initializes a vout method.
- *****************************************************************************/
-static int Create( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
-
- /* Allocate instance and initialize some members */
- p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
- if( p_vout->p_sys == NULL )
- {
- return VLC_ENOMEM;
- }
-
- /* FIXME: find a way to test for SVGAlib availability. We cannot call
- * vga_init from here because it needs to be closed from the same thread
- * and we might give away the video output to another thread. Bah, it
- * doesn't matter anyway ... SVGAlib is being an UGLY DIRTY PIG and calls
- * atexit() and exit() so what can we do? */
-
- 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;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Init: initialize video thread
- *****************************************************************************/
-static int Init( vout_thread_t *p_vout )
-{
- int i_index;
- picture_t *p_pic;
-
- I_OUTPUTPICTURES = 0;
-
- /* SVGAlib shut up! */
- vga_disabledriverreport();
-
- /* We cannot call vga_init() in Create() because it has to be run
- * from the same thread as the other vga calls. */
- vga_init();
-
- /* Check that we have a 8bpp mode available */
- p_vout->p_sys->i_vgamode = vga_getdefaultmode();
- if( p_vout->p_sys->i_vgamode == -1
- || vga_getmodeinfo(p_vout->p_sys->i_vgamode)->bytesperpixel != 1 )
- {
- p_vout->p_sys->i_vgamode = G320x200x256;
- }
-
- if( !vga_hasmode( p_vout->p_sys->i_vgamode ) )
- {
- msg_Err( p_vout, "mode %i not available", p_vout->p_sys->i_vgamode );
- return VLC_EGENERIC;
- }
-
- vga_setmode( p_vout->p_sys->i_vgamode );
- gl_setcontextvga( p_vout->p_sys->i_vgamode );
- gl_enableclipping();
-
- if( keyboard_init() )
- {
- msg_Err( p_vout, "could not initialize keyboard" );
- vga_setmode( TEXT );
- return VLC_EGENERIC;
- }
-
- /* Just in case */
- keyboard_translatekeys( TRANSLATE_CURSORKEYS |
- TRANSLATE_KEYPADENTER |
- TRANSLATE_DIAGONAL );
-
- /* Initialize the output structure: RGB with square pixels, whatever
- * the input format is, since it's the only format we know */
- p_vout->output.i_chroma = VLC_CODEC_RGB8;
- p_vout->output.pf_setpalette = SetPalette;
- p_vout->output.i_width = vga_getxdim();
- p_vout->output.i_height = vga_getydim();
- p_vout->output.i_aspect = p_vout->output.i_width
- * VOUT_ASPECT_FACTOR / p_vout->output.i_height;
-
- /* Try to initialize 1 direct buffer */
- p_pic = NULL;
-
- /* 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 == NULL )
- {
- return VLC_SUCCESS;
- }
-
- vout_AllocatePicture( p_vout, p_pic, p_vout->output.i_chroma,
- p_vout->output.i_width, p_vout->output.i_height,
- p_vout->output.i_aspect * p_vout->output.i_height,
- VOUT_ASPECT_FACTOR * p_vout->output.i_width );
-
- if( p_pic->i_planes == 0 )
- {
- return VLC_SUCCESS;
- }
-
- p_pic->i_status = DESTROYED_PICTURE;
- p_pic->i_type = DIRECT_PICTURE;
-
- PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
-
- I_OUTPUTPICTURES++;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * End: terminate video thread
- *****************************************************************************/
-static void End( vout_thread_t *p_vout )
-{
- keyboard_close();
- vga_clear();
- vga_setmode( TEXT );
-}
-
-/*****************************************************************************
- * Destroy: destroy video thread
- *****************************************************************************
- * Terminate an output method created by Create
- *****************************************************************************/
-static void Destroy( vlc_object_t *p_this )
-{
- vout_thread_t *p_vout = (vout_thread_t *)p_this;
-
- /* Destroy structure */
- free( p_vout->p_sys );
-}
-
-/*****************************************************************************
- * Manage: handle SVGAlib events
- *****************************************************************************
- * This function should be called regularly by video output thread. It manages
- * console events. It returns a non null value on error.
- *****************************************************************************/
-static int Manage( vout_thread_t *p_vout )
-{
- keyboard_update();
-
- if( keyboard_keypressed(SCANCODE_ESCAPE)
- || keyboard_keypressed(SCANCODE_Q ) )
- {
- libvlc_Quit( p_vout->p_libvlc );
- }
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Display: displays previously rendered output
- *****************************************************************************
- * This function sends the currently rendered image to the VGA card.
- *****************************************************************************/
-static void Display( vout_thread_t *p_vout, picture_t *p_pic )
-{
- gl_putbox( 0, 0, p_vout->output.i_width,
- p_vout->output.i_height, p_pic->p->p_pixels );
-}
-
-/*****************************************************************************
- * SetPalette: set a 8bpp palette
- *****************************************************************************
- * TODO: support 8 bits clut (for Mach32 cards and others).
- *****************************************************************************/
-static void SetPalette( vout_thread_t *p_vout,
- uint16_t *red, uint16_t *green, uint16_t *blue )
-{
- int i = 256;
-
- while( i-- )
- {
- vga_setpalette( i, red[i]>>10, green[i]>>10, blue[i]>>10 );
- }
-}
-
projects / vlc / commitdiff