Nouveau moteur de fontes.

Makefile

@@ -35,7 +35,7 @@ SYS=LINUX
 #DECODER=old
 DECODER=new
 
-# Debugging mode on or off
+# Debugging mode on or off (set to 1 to activate)
 DEBUG=1
 
 #----------------- do not change anything below this line ----------------------
@@ -49,7 +49,7 @@ PROGRAM_VERSION = 1.0-dev
 
 # PROGRAM_OPTIONS is an identification string of the compilation options
 PROGRAM_OPTIONS = $(VIDEO) $(ARCH) $(SYS)
-ifneq ($(DEBUG),)
+ifeq ($(DEBUG),1)
 PROGRAM_OPTIONS += DEBUG
 endif
 
@@ -64,7 +64,7 @@ DEFINE += -DSYS_$(SYS)
 DEFINE += -DPROGRAM_VERSION="\"$(PROGRAM_VERSION)\""
 DEFINE += -DPROGRAM_OPTIONS="\"$(PROGRAM_OPTIONS)\""
 DEFINE += -DPROGRAM_BUILD="\"$(PROGRAM_BUILD)\""
-ifneq ($(DEBUG),)
+ifeq ($(DEBUG),1)
 DEFINE += -DDEBUG
 endif
 
@@ -163,7 +163,7 @@ endif
 #
 
 # Debugging support
-ifneq ($(DEBUG),)
+ifeq ($(DEBUG),1)
 CFLAGS += -g
 #CFLAGS += -pg
 endif
@@ -198,6 +198,7 @@ audio_output_obj = 		audio_output/audio_output.o \
 
 video_output_obj = 		video_output/video_output.o \
 						video_output/video_$(video).o \
+						video_output/video_text.o \
 						video_output/video_yuv.o
 
 ac3_decoder_obj =		ac3_decoder/ac3_decoder.o \

include/common.h

@@ -61,12 +61,14 @@ typedef struct aout_thread_s *          p_aout_thread_t;
 
 /* Video */
 struct vout_thread_s;
+struct vout_font_s;
 struct vout_sys_s;
 struct vdec_thread_s;
 struct vpar_thread_s;
 struct video_parser_s;
 
 typedef struct vout_thread_s *          p_vout_thread_t;
+typedef struct vout_font_s *            p_vout_font_t;
 typedef struct vout_sys_s *             p_vout_sys_t;
 typedef struct vdec_thread_s *          p_vdec_thread_t;
 typedef struct vpar_thread_s *          p_vpar_thread_t;

include/config.h

@@ -239,6 +239,10 @@
 /* Default gamma */
 #define VOUT_GAMMA                      0.
 
+/* Default fonts */
+#define VOUT_DEFAULT_FONT               "Resources/default8x9.psf"
+#define VOUT_LARGE_FONT                 "Resources/default8x16.psf"
+
 /*
  * Time settings
  */
@@ -270,15 +274,6 @@
 #define VOUT_FB_DEV_VAR                 "vlc_fb_dev"
 #define VOUT_FB_DEV_DEFAULT             "/dev/fb0"
 
-/*
- * X11 settings 
- */
-
-/* Font maximum and minimum characters - characters outside this range are not
- * printed - maximum range is 1-256 */
-#define VOUT_MIN_CHAR                   1
-#define VOUT_MAX_CHAR                   128
-
 /*******************************************************************************
  * Video parser configuration
  *******************************************************************************/

include/video_output.h

@@ -101,6 +101,10 @@ typedef struct vout_thread_s
     vout_convert_t *    p_ConvertYUV420;                /* YUV 4:2:0 converter */
     vout_convert_t *    p_ConvertYUV422;                /* YUV 4:2:2 converter */
     vout_convert_t *    p_ConvertYUV444;                /* YUV 4:4:4 converter */
+
+    /* Bitmap fonts */
+    p_vout_font_t       p_default_font;                        /* default font */    
+    p_vout_font_t       p_large_font;                            /* large font */    
 } vout_thread_t;
 
 /* Flags for changes - these flags are set in the i_changes field when another
@@ -137,10 +141,3 @@ void            vout_DisplaySubtitle    ( vout_thread_t *p_vout, subtitle_t *p_s
 
 
 
-
-
-
-
-
-
-

include/video_sys.h

@@ -13,9 +13,6 @@ void         vout_SysDestroy    ( p_vout_thread_t p_vout );
 int          vout_SysManage     ( p_vout_thread_t p_vout );
 void         vout_SysDisplay    ( p_vout_thread_t p_vout );
 void *       vout_SysGetPicture ( p_vout_thread_t p_vout );
-void         vout_SysPrint      ( p_vout_thread_t p_vout, int i_x, int i_y, 
-                                  int i_halign, int i_valign,  
-                                  unsigned char *psz_text );
 
 
 

include/video_text.h

+/*******************************************************************************
+ * video_text.h : text manipulation functions
+ * (c)1999 VideoLAN
+ *******************************************************************************/
+
+/* Text styles - these are primary text styles, used by the vout_Print function.
+ * They may be ignored or interpreted by higher level functions */
+#define WIDE_TEXT                       1           /* interspacing is doubled */
+#define ITALIC_TEXT                     2                            /* italic */
+#define TRANSPARENT_TEXT                4                  /* transparent text */
+#define OUTLINED_TEXT                   8             /* border around letters */
+#define VOID_TEXT                      16                     /* no foreground */
+
+
+/*******************************************************************************
+ * Prototypes
+ *******************************************************************************/
+p_vout_font_t   vout_LoadFont   ( char *psz_name );
+void            vout_UnloadFont ( p_vout_font_t p_font );
+void            vout_TextSize   ( p_vout_font_t p_font, int i_style, char *psz_text,
+                                  int *pi_width, int *pi_height );
+void            vout_Print      ( p_vout_font_t p_font, byte_t *p_pic, int i_depth, 
+                                  int i_bytes_per_pixel, u32 i_char_color, 
+                                  u32 i_border_color, u32 i_bg_color,
+                                  int i_style, char *psz_text );
+
+
+
+
+
+
+
+
+
+

src/video_output/video_output.c

@@ -21,6 +21,7 @@
 #include "vlc_thread.h"
 #include "video.h"
 #include "video_output.h"
+#include "video_text.h"
 #include "video_sys.h"
 #include "video_yuv.h"
 #include "intf_msg.h"
@@ -33,6 +34,7 @@ static int      InitThread              ( vout_thread_t *p_vout );
 static void     RunThread               ( vout_thread_t *p_vout );
 static void     ErrorThread             ( vout_thread_t *p_vout );
 static void     EndThread               ( vout_thread_t *p_vout );
+static void     Print                   ( vout_thread_t *p_vout, int i_x, int i_y, int i_halign, int i_valign, unsigned char *psz_text );
 static void     RenderBlank             ( vout_thread_t *p_vout );
 static int      RenderPicture           ( vout_thread_t *p_vout, picture_t *p_pic, boolean_t b_blank );
 static int      RenderPictureInfo       ( vout_thread_t *p_vout, picture_t *p_pic, boolean_t b_blank );
@@ -100,6 +102,23 @@ vout_thread_t * vout_CreateThread               ( char *psz_display, int i_root_
                 p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth,
                 p_vout->i_bytes_per_pixel, p_vout->i_bytes_per_line );
 
+    /* Load fonts */
+    p_vout->p_default_font      = vout_LoadFont( VOUT_DEFAULT_FONT );    
+    if( p_vout->p_default_font == NULL )
+    {
+        vout_SysDestroy( p_vout );        
+        free( p_vout );        
+        return( NULL );        
+    }    
+    p_vout->p_large_font        = vout_LoadFont( VOUT_LARGE_FONT );        
+    if( p_vout->p_large_font == NULL )
+    {
+        vout_UnloadFont( p_vout->p_default_font );        
+        vout_SysDestroy( p_vout );        
+        free( p_vout );        
+        return( NULL );        
+    }    
+ 
 #ifdef STATS
     /* Initialize statistics fields */
     p_vout->render_time           = 0;    
@@ -119,6 +138,8 @@ vout_thread_t * vout_CreateThread               ( char *psz_display, int i_root_
     if( vlc_thread_create( &p_vout->thread_id, "video output", (void *) RunThread, (void *) p_vout) )
     {
         intf_ErrMsg("error: %s\n", strerror(ENOMEM));
+        vout_UnloadFont( p_vout->p_default_font );
+        vout_UnloadFont( p_vout->p_large_font );        
 	vout_SysDestroy( p_vout );
         free( p_vout );
         return( NULL );
@@ -600,6 +621,7 @@ static void RunThread( vout_thread_t *p_vout)
     p_vout->b_error = InitThread( p_vout );
     if( p_vout->b_error )
     {
+        //??
         free( p_vout );                                 /* destroy descriptor */
         return;        
     }    
@@ -792,8 +814,10 @@ static void EndThread( vout_thread_t *p_vout )
     /* Destroy translation tables */
     vout_EndTables( p_vout );
     
-    /* Destroy thread structures allocated by InitThread */
+    /* Destroy thread structures allocated by Create and InitThread */
     vout_SysEnd( p_vout );
+    vout_UnloadFont( p_vout->p_default_font );
+    vout_UnloadFont( p_vout->p_large_font ); 
     vout_SysDestroy( p_vout );
     free( p_vout );
 
@@ -801,6 +825,53 @@ static void EndThread( vout_thread_t *p_vout )
     *pi_status = THREAD_OVER;    
 }
 
+/*******************************************************************************
+ * Print: print simple text on a picture
+ *******************************************************************************
+ * This function will print a simple text on the picture. It is designed to
+ * print debugging or general informations.
+ *******************************************************************************/
+void Print( vout_thread_t *p_vout, int i_x, int i_y, int i_halign, int i_valign, unsigned char *psz_text )
+{
+    int                 i_text_height;                    /* total text height */
+    int                 i_text_width;                      /* total text width */
+
+    /* Update upper left coordinates according to alignment */
+    vout_TextSize( p_vout->p_default_font, 0, psz_text, &i_text_width, &i_text_height );
+    switch( i_halign )
+    {
+    case 0:                                                        /* centered */
+        i_x -= i_text_width / 2;
+        break;        
+    case 1:                                                   /* right aligned */
+        i_x -= i_text_width;
+        break;                
+    }
+    switch( i_valign )
+    {
+    case 0:                                                        /* centered */
+        i_y -= i_text_height / 2;
+        break;        
+    case 1:                                                   /* bottom aligned */
+        i_y -= i_text_height;
+        break;                
+    }
+
+    /* Check clipping */
+    if( (i_y < 0) || (i_y + i_text_height > p_vout->i_height) || 
+        (i_x < 0) || (i_x + i_text_width > p_vout->i_width) )
+    {
+        intf_DbgMsg("'%s' would print outside the screen\n", psz_text);        
+        return;        
+    }    
+
+    /* Print text */
+    vout_Print( p_vout->p_default_font, vout_SysGetPicture( p_vout ) + 
+                i_y * p_vout->i_bytes_per_line + i_x * p_vout->i_bytes_per_pixel,
+                p_vout->i_bytes_per_pixel, p_vout->i_bytes_per_line, 
+                0xffffffff, 0x00000000, 0x00000000, 0, psz_text );
+}
+
 /******************************************************************************
  * RenderBlank: render a blank screen
  ******************************************************************************
@@ -972,7 +1043,7 @@ static int RenderPictureInfo( vout_thread_t *p_vout, picture_t *p_pic, boolean_t
         sprintf( psz_buffer, "%.2f fps", (double) VOUT_FPS_SAMPLES * 1000000 /
                  ( p_vout->fps_sample[ (p_vout->c_fps_samples - 1) % VOUT_FPS_SAMPLES ] -
                    p_vout->fps_sample[ p_vout->c_fps_samples % VOUT_FPS_SAMPLES ] ) );        
-        vout_SysPrint( p_vout, p_vout->i_width, 0, 1, -1, psz_buffer );
+        Print( p_vout, p_vout->i_width, 0, 1, -1, psz_buffer );
     }
 
     /* 
@@ -980,7 +1051,7 @@ static int RenderPictureInfo( vout_thread_t *p_vout, picture_t *p_pic, boolean_t
      */
     sprintf( psz_buffer, "%ld frames   render time: %lu us", 
              p_vout->c_fps_samples, (long unsigned) p_vout->render_time );
-    vout_SysPrint( p_vout, 0, 0, -1, -1, psz_buffer );    
+    Print( p_vout, 0, 0, -1, -1, psz_buffer );    
 #endif
 
 #ifdef DEBUG
@@ -998,7 +1069,7 @@ static int RenderPictureInfo( vout_thread_t *p_vout, picture_t *p_pic, boolean_t
              ((p_pic->i_aspect_ratio == AR_3_4_PICTURE) ? "4:3" :
               ((p_pic->i_aspect_ratio == AR_16_9_PICTURE) ? "16:9" :
                ((p_pic->i_aspect_ratio == AR_221_1_PICTURE) ? "2.21:1" : "ukn-ar" ))));    
-    vout_SysPrint( p_vout, p_vout->i_width, p_vout->i_height, 1, 1, psz_buffer );
+    Print( p_vout, p_vout->i_width, p_vout->i_height, 1, 1, psz_buffer );
 #endif
     
     return( 0 );    
@@ -1018,8 +1089,8 @@ static int RenderIdle( vout_thread_t *p_vout, boolean_t b_blank )
     {        
         RenderBlank( p_vout );
         p_vout->last_display_date = mdate();        
-        vout_SysPrint( p_vout, p_vout->i_width / 2, p_vout->i_height / 2, 0, 0,
-                       "no stream" );        
+        Print( p_vout, p_vout->i_width / 2, p_vout->i_height / 2, 0, 0, 
+               "no stream" );        //??
         return( 1 );        
     }
 
@@ -1063,8 +1134,9 @@ static int RenderInfo( vout_thread_t *p_vout, boolean_t b_blank )
              p_vout->i_width, p_vout->i_height, p_vout->i_screen_depth, 
              p_vout->f_gamma, i_reserved_pic, i_ready_pic,
              VOUT_MAX_PICTURES );
-    vout_SysPrint( p_vout, 0, p_vout->i_height, -1, 1, psz_buffer );    
+    Print( p_vout, 0, p_vout->i_height, -1, 1, psz_buffer );    
 #endif
+
    return( 0 );    
 }