--- /dev/null
+/*****************************************************************************
+ * fbosd.c : framebuffer osd plugin for vlc
+ *****************************************************************************
+ * Copyright (C) 2007, the VideoLAN team
+ * $Id: vlc-fb-overlay.patch,v 1.8 2007/10/19 14:33:23 jeanpaul.saman Exp $
+ *
+ * Authors: Jean-Paul Saman
+ * Copied from modules/video_output/fb.c by 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
+ *****************************************************************************/
+#include <vlc/vlc.h>
+
+#include <errno.h>
+#include <stdlib.h> /* free() */
+#include <string.h> /* strerror() */
+#include <fcntl.h> /* open() */
+#include <unistd.h> /* close() */
+
+#include <sys/ioctl.h>
+#include <sys/mman.h> /* mmap() */
+
+#include <linux/fb.h>
+
+#include <vlc_image.h>
+#include <vlc_interface.h>
+#include <vlc_input.h>
+#include <vlc_vout.h>
+#include <vlc_filter.h>
+#include <vlc_osd.h>
+#include <vlc_strings.h>
+
+// #define FBOSD_BLENDING 1
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int Create ( vlc_object_t * );
+static void Destroy ( vlc_object_t * );
+static void Run ( intf_thread_t * );
+
+static int Init ( intf_thread_t * );
+static void End ( intf_thread_t * );
+
+static int OpenDisplay ( intf_thread_t * );
+static void CloseDisplay ( intf_thread_t * );
+
+/* Load modules needed for rendering and blending */
+#ifdef FBOSD_BLENDING
+static int OpenBlending ( intf_thread_t * );
+static void CloseBlending ( intf_thread_t * );
+#endif
+static int OpenTextRenderer ( intf_thread_t * );
+static void CloseTextRenderer( intf_thread_t * );
+
+#if 0
+static int OpenScaling ( intf_thread_t * );
+static int CloseScaling ( intf_thread_t * );
+#endif
+
+/* Manipulate the overlay buffer */
+static int OverlayCallback( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+
+static picture_t *AllocatePicture( vlc_object_t *,
+ video_format_t * );
+static void DeAllocatePicture( vlc_object_t *, picture_t *,
+ video_format_t * );
+static void SetOverlayTransparency( intf_thread_t *,
+ vlc_bool_t );
+static picture_t *LoadImage( intf_thread_t *, video_format_t *,
+ char * );
+
+#ifdef FBOSD_BLENDING
+static int BlendPicture( intf_thread_t *, video_format_t *,
+ video_format_t *, picture_t *, picture_t * );
+#else
+static picture_t *ConvertImage( intf_thread_t *, picture_t *,
+ video_format_t *, video_format_t * );
+#endif
+static int RenderPicture( intf_thread_t *, int, int,
+ picture_t *, picture_t * );
+static picture_t *RenderText( intf_thread_t *, const char *,
+ video_format_t * );
+
+#define DEVICE_TEXT N_("Framebuffer device")
+#define DEVICE_LONGTEXT N_( \
+ "Framebuffer device to use for rendering (usually /dev/fb0).")
+
+#define ASPECT_RATIO_TEXT N_("Video aspect ratio")
+#define ASPECT_RATIO_LONGTEXT N_( \
+ "Aspect ratio of the video image (4:3, 16:9). Default is square pixels." )
+
+#define FBOSD_IMAGE_TEXT N_("Image file")
+#define FBOSD_IMAGE_LONGTEXT N_( \
+ "Filename of image file to use on the overlay framebuffer." )
+
+#define ALPHA_TEXT N_("Transparency of the image")
+#define ALPHA_LONGTEXT N_( "Transparency value of the new image " \
+ "used in blending. By default it set to fully opaque (255). " \
+ "(from 0 for full transparency to 255 for full opacity)" )
+
+#define FBOSD_TEXT N_("Text")
+#define FBOSD_LONGTEXT N_( "Text to display on the overlay framebuffer." )
+
+#define POSX_TEXT N_("X coordinate")
+#define POSX_LONGTEXT N_("X coordinate of the rendered image")
+
+#define POSY_TEXT N_("Y coordinate")
+#define POSY_LONGTEXT N_("Y coordinate of the rendered image")
+
+#define POS_TEXT N_("Position")
+#define POS_LONGTEXT N_( \
+ "You can enforce the picture position on the overlay " \
+ "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
+ "also use combinations of these values, e.g. 6=top-right).")
+
+#define OPACITY_TEXT N_("Opacity")
+#define OPACITY_LONGTEXT N_("Opacity (inverse of transparency) of " \
+ "overlayed text. 0 = transparent, 255 = totally opaque. " )
+
+#define SIZE_TEXT N_("Font size, pixels")
+#define SIZE_LONGTEXT N_("Font size, in pixels. Default is -1 (use default " \
+ "font size)." )
+
+#define COLOR_TEXT N_("Color")
+#define COLOR_LONGTEXT N_("Color of the text that will be rendered on "\
+ "the video. This must be an hexadecimal (like HTML colors). The first two "\
+ "chars are for red, then green, then blue. #000000 = black, #FF0000 = red,"\
+ " #00FF00 = green, #FFFF00 = yellow (red + green), #FFFFFF = white" )
+
+#define CLEAR_TEXT N_( "Clear overlay framebuffer" )
+#define CLEAR_LONGTEXT N_( "The displayed overlay images is cleared by " \
+ "making the overlay completely transparent. All previously rendered " \
+ "images and text will be cleared from the cache." )
+
+#define RENDER_TEXT N_( "Render text or image" )
+#define RENDER_LONGTEXT N_( "Render the image or text in current overlay " \
+ "buffer." )
+
+#define DISPLAY_TEXT N_( "Display on overlay framebuffer" )
+#define DISPLAY_LONGTEXT N_( "All rendered images and text will be " \
+ "displayed on the overlay framebuffer." )
+
+static int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
+static const char *ppsz_pos_descriptions[] =
+{ N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
+ N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
+
+static int pi_color_values[] = { 0xf0000000, 0x00000000, 0x00808080, 0x00C0C0C0,
+ 0x00FFFFFF, 0x00800000, 0x00FF0000, 0x00FF00FF, 0x00FFFF00,
+ 0x00808000, 0x00008000, 0x00008080, 0x0000FF00, 0x00800080,
+ 0x00000080, 0x000000FF, 0x0000FFFF};
+static const char *ppsz_color_descriptions[] = { N_("Default"), N_("Black"),
+ N_("Gray"), N_("Silver"), N_("White"), N_("Maroon"), N_("Red"),
+ N_("Fuchsia"), N_("Yellow"), N_("Olive"), N_("Green"),
+ N_("Teal"), N_("Lime"), N_("Purple"), N_("Navy"), N_("Blue"),
+ N_("Aqua") };
+
+vlc_module_begin();
+ set_shortname( "fbosd" );
+ set_category( CAT_INTERFACE );
+ set_subcategory( SUBCAT_INTERFACE_MAIN );
+
+ add_file( "fbosd-dev", "/dev/fb1", NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
+ VLC_FALSE );
+ add_string( "fbosd-aspect-ratio", "", NULL, ASPECT_RATIO_TEXT,
+ ASPECT_RATIO_LONGTEXT, VLC_TRUE );
+
+ add_string( "fbosd-image", NULL, NULL, FBOSD_IMAGE_TEXT,
+ FBOSD_IMAGE_LONGTEXT, VLC_TRUE );
+ add_string( "fbosd-text", NULL, NULL, FBOSD_TEXT,
+ FBOSD_LONGTEXT, VLC_TRUE );
+
+#ifdef FBOSD_BLENDING
+ add_integer_with_range( "fbosd-alpha", 255, 0, 255, NULL, ALPHA_TEXT,
+ ALPHA_LONGTEXT, VLC_TRUE );
+
+#endif
+
+ set_section( N_("Position"), NULL );
+ add_integer( "fbosd-x", 0, NULL, POSX_TEXT,
+ POSX_LONGTEXT, VLC_FALSE );
+ add_integer( "fbosd-y", 0, NULL, POSY_TEXT,
+ POSY_LONGTEXT, VLC_FALSE );
+ add_integer( "fbosd-position", 8, NULL, POS_TEXT, POS_LONGTEXT, VLC_TRUE );
+ change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
+
+ set_section( N_("Font"), NULL );
+ add_integer_with_range( "fbosd-font-opacity", 255, 0, 255, NULL,
+ OPACITY_TEXT, OPACITY_LONGTEXT, VLC_FALSE );
+ add_integer( "fbosd-font-color", 0x00FFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT,
+ VLC_FALSE );
+ change_integer_list( pi_color_values, ppsz_color_descriptions, 0 );
+ add_integer( "fbosd-font-size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT,
+ VLC_FALSE );
+
+ set_section( N_("Commands"), NULL );
+ add_bool( "fbosd-clear", VLC_FALSE, NULL, CLEAR_TEXT, CLEAR_LONGTEXT, VLC_TRUE );
+ add_bool( "fbosd-render", VLC_FALSE, NULL, RENDER_TEXT, RENDER_LONGTEXT, VLC_TRUE );
+ add_bool( "fbosd-display", VLC_FALSE, NULL, DISPLAY_TEXT, DISPLAY_LONGTEXT, VLC_TRUE );
+
+ set_description( _("GNU/Linux osd/overlay framebuffer interface") );
+ set_capability( "interface", 10 );
+ set_callbacks( Create, Destroy );
+vlc_module_end();
+
+/*****************************************************************************
+ * intf_sys_t: interface framebuffer method descriptor
+ *****************************************************************************/
+struct intf_sys_t
+{
+ /* Framebuffer information */
+ int i_fd; /* device handle */
+ struct fb_var_screeninfo var_info; /* current mode information */
+ vlc_bool_t b_pan; /* does device supports panning ? */
+ struct fb_cmap fb_cmap; /* original colormap */
+ uint16_t *p_palette; /* original palette */
+
+ /* Overlay framebuffer format */
+ video_format_t fmt_out;
+ picture_t *p_overlay;
+ size_t i_page_size; /* page size */
+ int i_width;
+ int i_height;
+ int i_aspect;
+ int i_bytes_per_pixel;
+
+ /* Image and Picture rendering */
+ image_handler_t *p_image;
+#ifdef FBOSD_BLENDING
+ filter_t *p_blend; /* alpha blending module */
+#endif
+ filter_t *p_text; /* text renderer module */
+#if 0
+ filter_t *p_scale; /* scaling module */
+#endif
+ vlc_bool_t b_force_crop; /* force cropping of picture */
+ int i_crop_x, i_crop_y, i_crop_width, i_crop_height; /* cropping */
+
+ /* Misc */
+ char *psz_file;
+ char *psz_text;
+
+ vlc_bool_t b_image;
+ vlc_bool_t b_text;
+
+ /* Font style */
+ text_style_t *p_style; /* font control */
+
+ /* Positon of image/text */
+ vlc_bool_t b_absolute;
+ int i_x;
+ int i_y;
+ int i_pos;
+
+ int i_alpha; /* transparency for images */
+
+ /* commands control */
+ vlc_bool_t b_need_update; /* update display with \overlay buffer */
+ vlc_bool_t b_clear; /* clear overlay buffer make it tranparent */
+ vlc_bool_t b_render; /* render an image or text in overlay buffer */
+};
+
+/*****************************************************************************
+ * Create: allocates FB interface thread output method
+ *****************************************************************************/
+static int Create( vlc_object_t *p_this )
+{
+ intf_thread_t *p_intf = (intf_thread_t *)p_this;
+ intf_sys_t *p_sys;
+ char *psz_aspect;
+
+ /* Allocate instance and initialize some members */
+ p_intf->p_sys = p_sys = malloc( sizeof( intf_sys_t ) );
+ if( !p_intf->p_sys )
+ {
+ msg_Err( p_intf, "out of memory" );
+ return VLC_ENOMEM;
+ };
+ memset( p_sys, 0, sizeof(intf_sys_t) );
+
+ p_sys->p_style = malloc( sizeof( text_style_t ) );
+ if( !p_sys->p_style )
+ {
+ free( p_intf->p_sys );
+ msg_Err( p_intf, "out of memory" );
+ return VLC_ENOMEM;
+ }
+ p_intf->p_libvlc->pf_memcpy( p_sys->p_style, &default_text_style, sizeof( text_style_t ) );
+
+ p_intf->pf_run = Run;
+
+ p_sys->p_image = image_HandlerCreate( p_this );
+ if( !p_sys->p_image )
+ {
+ free( p_intf->p_sys->p_style );
+ free( p_intf->p_sys );
+ msg_Err( p_intf, "out of memory" );
+ return VLC_ENOMEM;
+ }
+
+#ifdef FBOSD_BLENDING
+ p_sys->i_alpha = var_CreateGetIntegerCommand( p_intf, "fbosd-alpha" );
+ var_AddCallback( p_intf, "fbosd-alpha", OverlayCallback, NULL );
+#else
+ p_sys->i_alpha = 255;
+#endif
+ p_sys->i_aspect = -1;
+ psz_aspect =
+ var_CreateGetNonEmptyString( p_intf, "fbosd-aspect-ratio" );
+ if( psz_aspect )
+ {
+ char *psz_parser = strchr( psz_aspect, ':' );
+
+ if( psz_parser )
+ {
+ *psz_parser++ = '\0';
+ p_sys->i_aspect = ( atoi( psz_aspect )
+ * VOUT_ASPECT_FACTOR ) / atoi( psz_parser );
+ p_sys->fmt_out.i_aspect = p_sys->i_aspect;
+ }
+ msg_Dbg( p_intf, "using aspect ratio %d:%d",
+ atoi( psz_aspect ), atoi( psz_parser ) );
+
+ free( psz_aspect );
+ psz_aspect = NULL;
+ }
+
+ /* Use PAL by default */
+ p_sys->i_width = p_sys->fmt_out.i_width = 704;
+ p_sys->i_height = p_sys->fmt_out.i_height = 576;
+
+ p_sys->psz_file =
+ var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-image" );
+ var_AddCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
+ if( p_sys->psz_file && *p_sys->psz_file )
+ p_sys->b_image = VLC_TRUE;
+
+ p_sys->psz_text =
+ var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-text" );
+ var_AddCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
+ if( p_sys->psz_text && *p_sys->psz_text )
+ p_sys->b_text = VLC_TRUE;
+
+ p_sys->i_pos = var_CreateGetIntegerCommand( p_intf, "fbosd-position" );
+ p_sys->i_x = var_CreateGetIntegerCommand( p_intf, "fbosd-x" );
+ p_sys->i_y = var_CreateGetIntegerCommand( p_intf, "fbosd-y" );
+
+ var_AddCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
+ var_AddCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
+ var_AddCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
+
+ p_sys->p_style->i_font_size =
+ var_CreateGetIntegerCommand( p_intf, "fbosd-font-size" );
+ p_sys->p_style->i_font_color =
+ var_CreateGetIntegerCommand( p_intf, "fbosd-font-color" );
+ p_sys->p_style->i_font_alpha = 255 -
+ var_CreateGetIntegerCommand( p_intf, "fbosd-font-opacity" );
+
+ var_AddCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
+ var_AddCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
+ var_AddCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
+
+ p_sys->b_clear = var_CreateGetBoolCommand( p_intf, "fbosd-clear" );
+ p_sys->b_render = var_CreateGetBoolCommand( p_intf, "fbosd-render" );
+ p_sys->b_need_update = var_CreateGetBoolCommand( p_intf, "fbosd-display" );
+
+ var_AddCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
+ var_AddCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
+ var_AddCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
+
+ /* Check if picture position was overridden */
+ p_sys->b_absolute = VLC_TRUE;
+ if( ( p_sys->i_x >= 0 ) && ( p_sys->i_y >= 0 ) )
+ {
+ p_sys->b_absolute = VLC_FALSE;
+ p_sys->i_y = (p_sys->i_y < p_sys->i_height) ?
+ p_sys->i_y : p_sys->i_height;
+ p_sys->i_x = (p_sys->i_x < p_sys->i_width) ?
+ p_sys->i_x : p_sys->i_width;
+ }
+
+ /* Initialize framebuffer */
+ if( OpenDisplay( p_intf ) )
+ {
+ Destroy( VLC_OBJECT(p_intf) );
+ return VLC_EGENERIC;
+ }
+
+ Init( p_intf );
+
+#ifdef FBOSD_BLENDING
+ /* Load the blending module */
+ if( OpenBlending( p_intf ) )
+ {
+ msg_Err( p_intf, "Unable to load image blending module" );
+ Destroy( VLC_OBJECT(p_intf) );
+ return VLC_EGENERIC;
+ }
+#endif
+
+ /* Load text renderer module */
+ if( OpenTextRenderer( p_intf ) )
+ {
+ msg_Err( p_intf, "Unable to load text rendering module" );
+ Destroy( VLC_OBJECT(p_intf) );
+ return VLC_EGENERIC;
+ }
+#if 0
+ /* Load scaling module */
+ if( OpenScaling( p_intf ) )
+ {
+ msg_Err( p_intf, "Unable to load image scaling module" );
+ Destroy( VLC_OBJECT(p_intf) );
+ return VLC_EGENERIC;
+ }
+#endif
+ p_sys->b_render = VLC_TRUE;
+ p_sys->b_need_update = VLC_TRUE;
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Destroy: destroy FB interface thread output method
+ *****************************************************************************
+ * Terminate an output method created by Create
+ *****************************************************************************/
+static void Destroy( vlc_object_t *p_this )
+{
+ intf_thread_t *p_intf = (intf_thread_t *)p_this;
+ intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
+
+ p_sys->b_need_update = VLC_FALSE;
+ p_sys->b_render = VLC_FALSE;
+ p_sys->b_clear = VLC_FALSE;
+
+#ifdef FBOSD_BLENDING
+ var_DelCallback( p_intf, "fbosd-alpha", OverlayCallback, NULL );
+ var_Destroy( p_intf, "fbosd-alpha" );
+#endif
+
+ var_DelCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
+ var_DelCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
+
+ var_Destroy( p_intf, "fbosd-x" );
+ var_Destroy( p_intf, "fbosd-y" );
+ var_Destroy( p_intf, "fbosd-position" );
+ var_Destroy( p_intf, "fbosd-image" );
+ var_Destroy( p_intf, "fbosd-text" );
+ var_Destroy( p_intf, "fbosd-font-size" );
+ var_Destroy( p_intf, "fbosd-font-color" );
+ var_Destroy( p_intf, "fbosd-font-opacity" );
+ var_Destroy( p_intf, "fbosd-clear" );
+ var_Destroy( p_intf, "fbosd-render" );
+ var_Destroy( p_intf, "fbosd-display" );
+
+ var_Destroy( p_intf, "fbosd-aspect-ratio" );
+
+ CloseDisplay( p_intf );
+
+#ifdef FBOSD_BLENDING
+ if( p_sys->p_blend ) CloseBlending( p_intf );
+#endif
+ if( p_sys->p_text ) CloseTextRenderer( p_intf );
+#if 0
+ if( p_sys->p_scale ) CloseScaling( p_intf );
+#endif
+ if( p_sys->p_image )
+ image_HandlerDelete( p_sys->p_image );
+ if( p_sys->p_overlay )
+ p_sys->p_overlay->pf_release( p_sys->p_overlay );
+
+ free( p_sys->psz_file );
+ free( p_sys->psz_text );
+ free( p_sys->p_style );
+ free( p_sys );
+}
+
+#ifdef FBOSD_BLENDING
+static int OpenBlending( intf_thread_t *p_intf )
+{
+ if( p_intf->p_sys->p_blend ) return VLC_EGENERIC;
+
+ p_intf->p_sys->p_blend =
+ vlc_object_create( p_intf, VLC_OBJECT_FILTER );
+ vlc_object_attach( p_intf->p_sys->p_blend, p_intf );
+ p_intf->p_sys->p_blend->fmt_out.video.i_x_offset =
+ p_intf->p_sys->p_blend->fmt_out.video.i_y_offset = 0;
+ p_intf->p_sys->p_blend->fmt_out.video.i_aspect =
+ p_intf->p_sys->fmt_out.i_aspect;
+ p_intf->p_sys->p_blend->fmt_out.video.i_chroma =
+ p_intf->p_sys->fmt_out.i_chroma;
+ if( config_GetInt( p_intf, "freetype-yuvp" ) )
+ p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
+ VLC_FOURCC('Y','U','V','P');
+ else
+ p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
+ VLC_FOURCC('Y','U','V','A');
+
+ p_intf->p_sys->p_blend->p_module =
+ module_Need( p_intf->p_sys->p_blend, "video blending", 0, 0 );
+
+ if( !p_intf->p_sys->p_blend->p_module )
+ return VLC_EGENERIC;
+
+ return VLC_SUCCESS;
+}
+
+static void CloseBlending( intf_thread_t *p_intf )
+{
+ if( p_intf->p_sys->p_blend )
+ {
+ if( p_intf->p_sys->p_blend->p_module )
+ module_Unneed( p_intf->p_sys->p_blend,
+ p_intf->p_sys->p_blend->p_module );
+
+ vlc_object_detach( p_intf->p_sys->p_blend );
+ vlc_object_destroy( p_intf->p_sys->p_blend );
+ }
+}
+#endif
+
+static int OpenTextRenderer( intf_thread_t *p_intf )
+{
+ char *psz_modulename = NULL;
+
+ if( p_intf->p_sys->p_text ) return VLC_EGENERIC;
+
+ p_intf->p_sys->p_text =
+ vlc_object_create( p_intf, VLC_OBJECT_FILTER );
+ vlc_object_attach( p_intf->p_sys->p_text, p_intf );
+
+ p_intf->p_sys->p_text->fmt_out.video.i_width =
+ p_intf->p_sys->p_text->fmt_out.video.i_visible_width =
+ p_intf->p_sys->i_width;
+ p_intf->p_sys->p_text->fmt_out.video.i_height =
+ p_intf->p_sys->p_text->fmt_out.video.i_visible_height =
+ p_intf->p_sys->i_height;
+
+ psz_modulename = var_CreateGetString( p_intf, "text-renderer" );
+ if( psz_modulename && *psz_modulename )
+ {
+ p_intf->p_sys->p_text->p_module =
+ module_Need( p_intf->p_sys->p_text, "text renderer",
+ psz_modulename, VLC_TRUE );
+ }
+ if( !p_intf->p_sys->p_text->p_module )
+ {
+ p_intf->p_sys->p_text->p_module =
+ module_Need( p_intf->p_sys->p_text, "text renderer", 0, 0 );
+ }
+ if( psz_modulename ) free( psz_modulename );
+
+ if( !p_intf->p_sys->p_text->p_module )
+ return VLC_EGENERIC;
+
+ return VLC_SUCCESS;
+}
+
+static void CloseTextRenderer( intf_thread_t *p_intf )
+{
+ if( p_intf->p_sys->p_text )
+ {
+ if( p_intf->p_sys->p_text->p_module )
+ module_Unneed( p_intf->p_sys->p_text,
+ p_intf->p_sys->p_text->p_module );
+
+ vlc_object_detach( p_intf->p_sys->p_text );
+ vlc_object_destroy( p_intf->p_sys->p_text );
+ }
+}
+#if 0
+static int OpenScaling( intf_thread_t *p_intf )
+{
+ if( p_intf->p_sys->p_scale ) return VLC_EGENERIC;
+
+ p_intf->p_sys->p_scale =
+ vlc_object_create( p_intf, VLC_OBJECT_FILTER );
+ vlc_object_attach( p_intf->p_sys->p_scale, p_intf );
+ p_intf->p_sys->p_scale->fmt_out.video.i_chroma =
+ p_intf->p_sys->p_scale->fmt_in.video.i_chroma =
+ p_intf->p_sys->fmt_out.i_chroma;
+
+ /* XXX: We'll also be using it for YUVA and RGBA blending ... */
+ p_intf->p_sys->p_scale->fmt_in.video.i_width =
+ p_intf->p_sys->p_scale->fmt_in.video.i_height = 32;
+ p_intf->p_sys->p_scale->fmt_out.video.i_width =
+ p_intf->p_sys->p_scale->fmt_out.video.i_height = 16;
+
+ p_intf->p_sys->p_scale->p_module =
+ module_Need( p_intf->p_sys->p_scale, "video filter2", 0, 0 );
+
+ if( !p_intf->p_sys->p_scale->p_module )
+ return VLC_EGENERIC;
+
+ return VLC_SUCCESS;
+}
+
+static int CloseScaling( intf_thread_t *p_intf )
+{
+ if( p_intf->p_sys->p_scale )
+ {
+ if( p_intf->p_sys->p_scale->p_module )
+ module_Unneed( p_intf->p_sys->p_scale,
+ p_intf->p_sys->p_scale->p_module );
+
+ vlc_object_detach( p_intf->p_sys->p_scale );
+ vlc_object_destroy( p_intf->p_sys->p_scale );
+ }
+}
+#endif
+
+/*****************************************************************************
+ * AllocatePicture:
+ * allocate a picture buffer for use with the overlay fb.
+ *****************************************************************************/
+static picture_t *AllocatePicture( vlc_object_t *p_this,
+ video_format_t *p_fmt )
+{
+ picture_t *p_pic = malloc( sizeof( picture_t ) );
+ if( !p_pic ) return NULL;
+
+ if( !p_fmt->p_palette &&
+ ( p_fmt->i_chroma == VLC_FOURCC('Y','U','V','P') ) )
+ {
+ p_fmt->p_palette = malloc( sizeof(video_palette_t) );
+ if( !p_fmt->p_palette )
+ {
+ free( p_pic );
+ return NULL;
+ }
+ }
+ else p_fmt->p_palette = NULL;
+
+ p_pic->p_data_orig = NULL;
+
+ vout_AllocatePicture( p_this, p_pic, p_fmt->i_chroma,
+ p_fmt->i_width, p_fmt->i_height, p_fmt->i_aspect );
+
+ if( !p_pic->i_planes )
+ {
+ free( p_pic );
+ free( p_fmt->p_palette );
+ return NULL;
+ }
+ return p_pic;
+}
+
+/*****************************************************************************
+ * DeAllocatePicture:
+ * Deallocate a picture buffer and free all associated memory.
+ *****************************************************************************/
+static void DeAllocatePicture( vlc_object_t *p_this, picture_t *p_pic,
+ video_format_t *p_fmt )
+{
+ if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
+ if( p_pic && p_pic->pf_release ) p_pic->pf_release( p_pic );
+ if( p_fmt && p_fmt->p_palette )
+ {
+ free( p_fmt->p_palette );
+ p_fmt->p_palette = NULL;
+ }
+ p_pic = NULL;
+}
+
+/*****************************************************************************
+ * SetOverlayTransparency: Set the transparency for this overlay fb,
+ * - VLC_TRUE is make transparent
+ * - VLC_FALSE is make non tranparent
+ *****************************************************************************/
+static void SetOverlayTransparency( intf_thread_t *p_intf,
+ vlc_bool_t b_transparent )
+{
+ intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
+ size_t i_size = p_sys->fmt_out.i_width * p_sys->fmt_out.i_height
+ * p_sys->i_bytes_per_pixel;
+ size_t i_page_size = (p_sys->i_page_size > i_size) ?
+ i_size : p_sys->i_page_size;
+
+ if( p_sys->p_overlay )
+ {
+ msg_Dbg( p_intf, "Make overlay %s",
+ b_transparent ? "transparent" : "opaque" );
+ memset( p_sys->p_overlay->p[0].p_pixels, 0x00, i_page_size );
+ if( b_transparent )
+ memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, i_page_size );
+ }
+}
+
+#ifdef FBOSD_BLENDING
+/*****************************************************************************
+ * BlendPicture: Blend two pictures together..
+ *****************************************************************************/
+static int BlendPicture( intf_thread_t *p_intf, video_format_t *p_fmt_src,
+ video_format_t *p_fmt_dst, picture_t *p_pic_src,
+ picture_t *p_pic_dst )
+{
+ intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
+ if( p_sys->p_blend && p_sys->p_blend->p_module )
+ {
+ int i_x_offset = p_sys->i_x;
+ int i_y_offset = p_sys->i_y;
+
+ memcpy( &p_sys->p_blend->fmt_in.video, p_fmt_src, sizeof( video_format_t ) );
+#if 0
+ msg_Dbg( p_intf, "Blending pictures %p %4.4s (%dx%d) %d bits %d planes: 0=%p 1=%p 2=%p 3=%p",
+ p_pic_src, (char*)&p_fmt_src->i_chroma,
+ p_sys->p_blend->fmt_in.video.i_width, p_sys->p_blend->fmt_in.video.i_height,
+ p_fmt_src->i_bits_per_pixel,
+ p_pic_src->i_planes,
+ p_pic_src->p[0].p_pixels, p_pic_src->p[1].p_pixels,
+ p_pic_src->p[2].p_pixels, p_pic_src->p[3].p_pixels );
+ msg_Dbg( p_intf, "Blending pictures %p %4.4s (%dx%d) %d bits %d planes: 0=%p 1=%p 2=%p 3=%p",
+ p_pic_dst, (char*)&p_fmt_dst->i_chroma,
+ p_fmt_dst->i_width, p_fmt_dst->i_height,
+ p_fmt_dst->i_bits_per_pixel,
+ p_pic_dst->i_planes,
+ p_pic_dst->p[0].p_pixels, p_pic_dst->p[1].p_pixels,
+ p_pic_dst->p[2].p_pixels, p_pic_dst->p[3].p_pixels );
+#endif
+ /* Update the output picture size */
+ p_sys->p_blend->fmt_out.video.i_width =
+ p_sys->p_blend->fmt_out.video.i_visible_width =
+ p_fmt_dst->i_width;
+ p_sys->p_blend->fmt_out.video.i_height =
+ p_sys->p_blend->fmt_out.video.i_visible_height =
+ p_fmt_dst->i_height;
+
+ i_x_offset = __MAX( i_x_offset, 0 );
+ i_y_offset = __MAX( i_y_offset, 0 );
+
+ p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_pic_dst,
+ p_pic_src, p_pic_dst, i_x_offset, i_y_offset,
+ p_sys->i_alpha );
+
+ return VLC_SUCCESS;
+ }
+ return VLC_EGENERIC;
+}
+#endif
+
+/*****************************************************************************
+ * RenderPicture: Render the picture into the p_dest buffer.
+ * We don't take transparent pixels into account, so we don't have to blend
+ * the two images together.
+ *****************************************************************************/
+static int RenderPicture( intf_thread_t *p_intf, int i_x_offset, int i_y_offset,
+ picture_t *p_src, picture_t *p_dest )
+{
+ int i;
+
+ if( !p_dest && !p_src ) return VLC_EGENERIC;
+
+ for( i = 0; i < p_src->i_planes ; i++ )
+ {
+ if( p_src->p[i].i_pitch == p_dest->p[i].i_pitch )
+ {
+ /* There are margins, but with the same width : perfect ! */
+ p_intf->p_libvlc->pf_memcpy(
+ p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
+ p_src->p[i].i_pitch * p_src->p[i].i_visible_lines );
+ }
+ else
+ {
+ /* We need to proceed line by line */
+ uint8_t *p_in = p_src->p[i].p_pixels;
+ uint8_t *p_out = p_dest->p[i].p_pixels;
+
+ int i_x = i_x_offset * p_src->p[i].i_pixel_pitch;
+ int i_x_clip, i_y_clip;
+
+ /* Check boundaries, clip the image if necessary */
+ i_x_clip = ( i_x + p_src->p[i].i_visible_pitch ) - p_dest->p[i].i_visible_pitch;
+ i_x_clip = ( i_x_clip > 0 ) ? i_x_clip : 0;
+
+ i_y_clip = ( i_y_offset + p_src->p[i].i_visible_lines ) - p_dest->p[i].i_visible_lines;
+ i_y_clip = ( i_y_clip > 0 ) ? i_y_clip : 0;
+#if 0
+ msg_Dbg( p_intf, "i_pitch (%d,%d), (%d,%d)/(%d,%d)",
+ p_dest->p[i].i_visible_pitch, p_src->p[i].i_visible_pitch,
+ i_x_offset, i_y_offset, i_x, i_x_clip );
+#endif
+ if( ( i_y_offset <= p_dest->p[i].i_visible_lines ) &&
+ ( i_x <= p_dest->p[i].i_visible_pitch ) )
+ {
+ int i_line;
+
+ p_out += ( i_y_offset * p_dest->p[i].i_pitch );
+ for( i_line = 0; i_line < ( p_src->p[i].i_visible_lines - i_y_clip ); i_line++ )
+ {
+ p_intf->p_libvlc->pf_memcpy( p_out + i_x, p_in,
+ p_src->p[i].i_visible_pitch - i_x_clip );
+ p_in += p_src->p[i].i_pitch;
+ p_out += p_dest->p[i].i_pitch;
+ }
+ }
+ }
+ }
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * RenderText - Render text to the desired picture format
+ *****************************************************************************/
+static picture_t *RenderText( intf_thread_t *p_intf, const char *psz_text,
+ video_format_t *p_fmt )
+{
+ intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
+ subpicture_region_t *p_region;
+ picture_t *p_dest = NULL;
+
+ if( !psz_text ) return p_dest;
+
+ if( p_sys->p_text && p_sys->p_text->p_module )
+ {
+ p_region = (subpicture_region_t *) malloc( sizeof(subpicture_region_t) );
+ if( !p_region )
+ return p_dest;
+
+ memset( p_region, 0, sizeof(subpicture_region_t) );
+
+ p_region->psz_text = strdup( p_sys->psz_text );
+ p_region->p_style = p_sys->p_style;
+
+ p_region->fmt.i_chroma = VLC_FOURCC('T','E','X','T');
+ p_region->fmt.i_aspect = 0;
+ p_region->fmt.i_width = p_region->fmt.i_visible_width = 0;
+ p_region->fmt.i_height = p_region->fmt.i_visible_height = 0;
+ p_region->fmt.i_x_offset = 0;
+ p_region->fmt.i_y_offset = 0;
+
+ p_region->i_align = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
+
+ if( p_sys->p_text->pf_render_text )
+ {
+ video_format_t fmt_out;
+
+ memset( &fmt_out, 0, sizeof(video_format_t) );
+
+ p_sys->p_text->pf_render_text( p_sys->p_text,
+ p_region, p_region );
+
+#ifndef FBOSD_BLENDING
+ fmt_out.i_chroma = p_fmt->i_chroma;
+ p_dest = ConvertImage( p_intf, &p_region->picture,
+ &p_region->fmt, &fmt_out );
+#else
+ fmt_out = p_region->fmt;
+ fmt_out.i_bits_per_pixel = 32;
+ memcpy( p_fmt, &fmt_out, sizeof(video_format_t) );
+ p_dest = AllocatePicture( VLC_OBJECT(p_intf), &fmt_out );
+ if( !p_dest )
+ {
+ if( p_region->picture.pf_release )
+ p_region->picture.pf_release( &p_region->picture );
+ free( p_region->psz_text );
+ free( p_region );
+ return NULL;
+ }
+ vout_CopyPicture( VLC_OBJECT(p_intf), p_dest, &p_region->picture );
+#endif
+ if( p_region->picture.pf_release )
+ p_region->picture.pf_release( &p_region->picture );
+ free( p_region->psz_text );
+ free( p_region );
+ return p_dest;
+ }
+ free( p_region->psz_text );
+ free( p_region );
+ }
+ return p_dest;
+}
+
+/*****************************************************************************
+ * LoadImage: Load an image from file into a picture buffer.
+ *****************************************************************************/
+static picture_t *LoadImage( intf_thread_t *p_intf, video_format_t *p_fmt,
+ char *psz_file )
+{
+ picture_t *p_pic = NULL;
+
+ if( psz_file && p_intf->p_sys->p_image )
+ {
+ video_format_t fmt_in, fmt_out;
+
+ memset( &fmt_in, 0, sizeof(fmt_in) );
+ memset( &fmt_out, 0, sizeof(fmt_out) );
+
+ fmt_out.i_chroma = p_fmt->i_chroma;
+ p_pic = image_ReadUrl( p_intf->p_sys->p_image, psz_file,
+ &fmt_in, &fmt_out );
+
+ msg_Dbg( p_intf, "image size %dx%d chroma %4.4s",
+ fmt_out.i_width, fmt_out.i_height,
+ (char *)&p_fmt->i_chroma );
+ }
+ return p_pic;
+}
+
+#ifndef FBOSD_BLENDING
+/*****************************************************************************
+ * Convertmage: Convert image to another fourcc
+ *****************************************************************************/
+static picture_t *ConvertImage( intf_thread_t *p_intf, picture_t *p_pic,
+ video_format_t *p_fmt_in, video_format_t *p_fmt_out )
+{
+ intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
+ picture_t *p_old = NULL;
+
+ if( p_sys->p_image )
+ {
+ p_old = image_Convert( p_sys->p_image, p_pic, p_fmt_in, p_fmt_out );
+
+ msg_Dbg( p_intf, "converted image size %dx%d chroma %4.4s",
+ p_fmt_out->i_width, p_fmt_out->i_height,
+ (char *)&p_fmt_out->i_chroma );
+ }
+ return p_old;
+}
+#endif
+
+/*****************************************************************************
+ * Init: initialize framebuffer video thread output method
+ *****************************************************************************/
+static int Init( intf_thread_t *p_intf )
+{
+ intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
+
+ /* Initialize the output structure: RGB with square pixels, whatever
+ * the input format is, since it's the only format we know */
+ switch( p_sys->var_info.bits_per_pixel )
+ {
+ case 8: /* FIXME: set the palette */
+ p_sys->fmt_out.i_chroma = VLC_FOURCC('R','G','B','2'); break;
+ case 15:
+ p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','1','5'); break;
+ case 16:
+ p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','1','6'); break;
+ case 24:
+ p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','2','4'); break;
+ case 32:
+ p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','3','2'); break;
+ default:
+ msg_Err( p_intf, "unknown screen depth %i",
+ p_sys->var_info.bits_per_pixel );
+ return VLC_EGENERIC;
+ }
+
+ p_sys->fmt_out.i_bits_per_pixel = p_sys->var_info.bits_per_pixel;
+ p_sys->fmt_out.i_width = p_sys->i_width;
+ p_sys->fmt_out.i_height = p_sys->i_height;
+
+ /* Assume we have square pixels */
+ if( p_sys->i_aspect < 0 )
+ {
+ p_sys->fmt_out.i_aspect = ( p_sys->i_width
+ * VOUT_ASPECT_FACTOR ) / p_sys->i_height;
+ }
+ else p_sys->fmt_out.i_aspect = p_sys->i_aspect;
+
+ p_sys->fmt_out.i_sar_num = p_sys->fmt_out.i_sar_den = 1;
+
+ /* Allocate overlay buffer */
+ p_sys->p_overlay = AllocatePicture( VLC_OBJECT(p_intf),
+ &p_sys->fmt_out );
+ if( !p_sys->p_overlay ) return VLC_EGENERIC;
+
+ SetOverlayTransparency( p_intf, VLC_TRUE );
+
+ /* We know the chroma, allocate a buffer which will be used
+ * to write to the overlay framebuffer */
+ p_sys->p_overlay->p->i_pixel_pitch = p_sys->i_bytes_per_pixel;
+ p_sys->p_overlay->p->i_lines = p_sys->var_info.yres;
+ p_sys->p_overlay->p->i_visible_lines = p_sys->var_info.yres;
+
+ if( p_sys->var_info.xres_virtual )
+ {
+ p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres_virtual
+ * p_sys->i_bytes_per_pixel;
+ }
+ else
+ {
+ p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres
+ * p_sys->i_bytes_per_pixel;
+ }
+
+ p_sys->p_overlay->p->i_visible_pitch = p_sys->var_info.xres
+ * p_sys->i_bytes_per_pixel;
+
+ p_sys->p_overlay->i_planes = 1;
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * End: terminate framebuffer interface
+ *****************************************************************************/
+static void End( intf_thread_t *p_intf )
+{
+ intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
+
+ /* CleanUp */
+ SetOverlayTransparency( p_intf, VLC_FALSE );
+ if( p_sys->p_overlay )
+ {
+ write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels, p_sys->i_page_size );
+ }
+
+ DeAllocatePicture( VLC_OBJECT(p_intf), p_intf->p_sys->p_overlay,
+ &p_intf->p_sys->fmt_out );
+ p_intf->p_sys->p_overlay = NULL;
+}
+
+/*****************************************************************************
+ * OpenDisplay: initialize framebuffer
+ *****************************************************************************/
+static int OpenDisplay( intf_thread_t *p_intf )
+{
+ intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
+ char *psz_device; /* framebuffer device path */
+ struct fb_fix_screeninfo fix_info; /* framebuffer fix information */
+
+ /* Open framebuffer device */
+ if( !(psz_device = config_GetPsz( p_intf, "fbosd-dev" )) )
+ {
+ msg_Err( p_intf, "don't know which fb osd/overlay device to open" );
+ return VLC_EGENERIC;
+ }
+
+ p_sys->i_fd = open( psz_device, O_RDWR );
+ if( p_sys->i_fd == -1 )
+ {
+ msg_Err( p_intf, "cannot open %s (%s)", psz_device, strerror(errno) );
+ free( psz_device );
+ return VLC_EGENERIC;
+ }
+ free( psz_device );
+
+ /* Get framebuffer device information */
+ if( ioctl( p_sys->i_fd, FBIOGET_VSCREENINFO, &p_sys->var_info ) )
+ {
+ msg_Err( p_intf, "cannot get fb info (%s)", strerror(errno) );
+ close( p_sys->i_fd );
+ return VLC_EGENERIC;
+ }
+
+ /* Get some info on the framebuffer itself */
+ if( ioctl( p_sys->i_fd, FBIOGET_FSCREENINFO, &fix_info ) == 0 )
+ {
+ p_sys->i_width = p_sys->fmt_out.i_width = p_sys->var_info.xres;
+ p_sys->i_height = p_sys->fmt_out.i_height = p_sys->var_info.yres;
+ }
+
+ /* FIXME: if the image is full-size, it gets cropped on the left
+ * because of the xres / xres_virtual slight difference */
+ msg_Dbg( p_intf, "%ix%i (virtual %ix%i)",
+ p_sys->var_info.xres, p_sys->var_info.yres,
+ p_sys->var_info.xres_virtual,
+ p_sys->var_info.yres_virtual );
+
+ p_sys->fmt_out.i_width = p_sys->i_width;
+ p_sys->fmt_out.i_height = p_sys->i_height;
+
+ p_sys->p_palette = NULL;
+ p_sys->b_pan = ( fix_info.ypanstep || fix_info.ywrapstep );
+
+ switch( p_sys->var_info.bits_per_pixel )
+ {
+ case 8:
+ p_sys->p_palette = malloc( 8 * 256 * sizeof( uint16_t ) );
+ if( !p_sys->p_palette )
+ {
+ msg_Err( p_intf, "out of memory" );
+ close( p_sys->i_fd );
+ return VLC_ENOMEM;
+ }
+ p_sys->fb_cmap.start = 0;
+ p_sys->fb_cmap.len = 256;
+ p_sys->fb_cmap.red = p_sys->p_palette;
+ p_sys->fb_cmap.green = p_sys->p_palette + 256 * sizeof( uint16_t );
+ p_sys->fb_cmap.blue = p_sys->p_palette + 2 * 256 * sizeof( uint16_t );
+ p_sys->fb_cmap.transp = p_sys->p_palette + 3 * 256 * sizeof( uint16_t );
+
+ /* Save the colormap */
+ ioctl( p_sys->i_fd, FBIOGETCMAP, &p_sys->fb_cmap );
+
+ p_sys->i_bytes_per_pixel = 1;
+ break;
+
+ case 15:
+ case 16:
+ p_sys->i_bytes_per_pixel = 2;
+ break;
+
+ case 24:
+ p_sys->i_bytes_per_pixel = 3;
+ break;
+
+ case 32:
+ p_sys->i_bytes_per_pixel = 4;
+ break;
+
+ default:
+ msg_Err( p_intf, "screen depth %d is not supported",
+ p_sys->var_info.bits_per_pixel );
+
+ close( p_sys->i_fd );
+ return VLC_EGENERIC;
+ }
+
+ p_sys->i_page_size = p_sys->i_width * p_sys->i_height
+ * p_sys->i_bytes_per_pixel;
+
+ msg_Dbg( p_intf, "framebuffer type=%d, visual=%d, ypanstep=%d, "
+ "ywrap=%d, accel=%d", fix_info.type, fix_info.visual,
+ fix_info.ypanstep, fix_info.ywrapstep, fix_info.accel );
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * CloseDisplay: terminate FB interface thread
+ *****************************************************************************/
+static void CloseDisplay( intf_thread_t *p_intf )
+{
+ intf_sys_t *p_sys = (intf_sys_t *) p_intf;
+
+ /* Restore palette */
+ if( p_sys->var_info.bits_per_pixel == 8 )
+ {
+ ioctl( p_sys->i_fd, FBIOPUTCMAP, &p_sys->fb_cmap );
+ free( p_sys->p_palette );
+ p_sys->p_palette = NULL;
+ }
+
+ /* Close fb */
+ close( p_sys->i_fd );
+}
+
+/*****************************************************************************
+ * Run: rc thread
+ *****************************************************************************
+ * This part of the interface is in a separate thread so that we can call
+ * exec() from within it without annoying the rest of the program.
+ *****************************************************************************/
+static void Run( intf_thread_t *p_intf )
+{
+ intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
+
+ while( !intf_ShouldDie( p_intf ) )
+ {
+ if( p_sys->b_render )
+ {
+ if( p_sys->b_image )
+ {
+ picture_t *p_pic;
+ p_pic = LoadImage( p_intf, &p_sys->fmt_out, p_sys->psz_file );
+ if( p_pic )
+ {
+ RenderPicture( p_intf, p_sys->i_x, p_sys->i_y,
+ p_pic, p_sys->p_overlay );
+ p_pic->pf_release( p_pic );
+ }
+ var_SetString( p_intf, "fbosd-image", "" );
+ p_sys->b_image = VLC_FALSE;
+ }
+
+ if( p_sys->b_text )
+ {
+ picture_t *p_text;
+#ifndef FBOSD_BLENDING
+ p_text = RenderText( p_intf, p_sys->psz_text, &p_sys->fmt_out );
+ if( p_text )
+ {
+ RenderPicture( p_intf, p_sys->i_x, p_sys->i_y,
+ p_text, p_sys->p_overlay );
+ p_text->pf_release( p_text );
+ }
+#else
+ video_format_t fmt_in;
+ memset( &fmt_in, 0, sizeof(video_format_t) );
+ p_text = RenderText( p_intf, p_sys->psz_text, &fmt_in );
+ if( p_text )
+ {
+ BlendPicture( p_intf, &fmt_in, &p_sys->fmt_out,
+ p_text, p_sys->p_overlay );
+ msg_Dbg( p_intf, "releasing picture" );
+ DeAllocatePicture( VLC_OBJECT( p_intf ), p_text, &fmt_in );
+ }
+#endif
+ var_SetString( p_intf, "fbosd-text", "" );
+ p_sys->b_text = VLC_FALSE;
+ }
+ p_sys->b_render = VLC_FALSE;
+ }
+
+ if( p_sys->b_clear )
+ {
+ SetOverlayTransparency( p_intf, VLC_TRUE );
+
+ var_SetString( p_intf, "fbosd-image", "" );
+ var_SetString( p_intf, "fbosd-text", "" );
+
+ p_sys->b_image = VLC_FALSE;
+ p_sys->b_text = VLC_FALSE;
+ p_sys->b_clear = VLC_FALSE;
+ p_sys->b_need_update = VLC_TRUE;
+ }
+
+ if( p_sys->b_need_update && p_sys->p_overlay )
+ {
+ write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels,
+ p_sys->i_page_size );
+ lseek( p_sys->i_fd, 0, SEEK_SET );
+ p_sys->b_need_update = VLC_FALSE;
+ }
+
+ if( vlc_CPU() & CPU_CAPABILITY_FPU )
+ msleep( INTF_IDLE_SLEEP );
+ else
+ msleep( 1000 );
+ }
+
+ End( p_intf );
+}
+
+static int OverlayCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ intf_thread_t *p_intf = (intf_thread_t *) p_this;
+ intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
+
+ if( !strncmp( psz_cmd, "fbosd-image", 11 ) )
+ {
+ free( p_sys->psz_file );
+ p_sys->psz_file = strdup( newval.psz_string );
+ p_sys->b_image = VLC_TRUE;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-text", 10 ) )
+ {
+ free( p_sys->psz_text );
+ p_sys->psz_text = strdup( newval.psz_string );
+ p_sys->b_text = VLC_TRUE;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-x", 7 ) )
+ {
+ p_sys->b_absolute = VLC_FALSE;
+ p_sys->i_x = (newval.i_int < p_sys->i_width) ?
+ newval.i_int : p_sys->i_width;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-y", 7 ) )
+ {
+ p_sys->b_absolute = VLC_FALSE;
+ p_sys->i_y = (newval.i_int < p_sys->i_height) ?
+ newval.i_int : p_sys->i_height;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-position", 14 ) )
+ {
+ p_sys->b_absolute = VLC_TRUE;
+ p_sys->i_pos = newval.i_int;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-font-size", 15 ) )
+ {
+ p_sys->p_style->i_font_size = newval.i_int;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-font-color", 16 ) )
+ {
+ p_sys->p_style->i_font_color = newval.i_int;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-font-opacity", 18 ) )
+ {
+ p_sys->p_style->i_font_alpha = 255 - newval.i_int;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-display", 13 ) )
+ {
+ p_sys->b_need_update = VLC_TRUE;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-render", 12 ) )
+ {
+ p_sys->b_render = VLC_TRUE;
+ }
+ else if( !strncmp( psz_cmd, "fbosd-clear", 11 ) )
+ {
+ p_sys->b_clear = VLC_TRUE;
+ }
+#ifdef FBOSD_BLENDING
+ else if( !strncmp( psz_cmd, "fbosd-alpha", 11 ) )
+ {
+ p_sys->i_alpha = newval.i_int;
+ }
+#endif
+ return VLC_SUCCESS;
+}
projects / vlc / commitdiff