]> git.sesse.net Git - vlc/blobdiff - include/video_output.h
. prototypes de fonctions pour le 8bpp
[vlc] / include / video_output.h
index cbc3e82a5cc637296b8adaa451c9e7a54ba7b5c2..ef4348eb12f23b4ff52a0365457808d39a3672ae 100644 (file)
@@ -8,46 +8,75 @@
  *******************************************************************************/
 
 /*******************************************************************************
- * vout_tables_t: pre-calculated convertion tables
+ * vout_yuv_convert_t: YUV convertion function
+ *******************************************************************************
+ * This is the prototype common to all convertion functions. The type of p_pic
+ * will change depending of the screen depth treated.
+ * Parameters:
+ *      p_vout                          video output thread
+ *      p_pic                           picture address 
+ *      p_y, p_u, p_v                   Y,U,V samples addresses
+ *      i_width, i_height               Y samples extension
+ *      i_pic_width, i_pic_height       picture extension
+ *      i_pic_line_width                picture total line width
+ *      i_matrix_coefficients           matrix coefficients
+ * Picture width and source dimensions must be multiples of 16.
+ *******************************************************************************/
+typedef void (vout_yuv_convert_t)( p_vout_thread_t p_vout, void *p_pic,
+                                   yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
+                                   int i_width, int i_height,
+                                   int i_pic_width, int i_pic_height, int i_pic_line_width,
+                                   int i_matrix_coefficients );
+
+/*******************************************************************************
+ * vout_yuv_t: pre-calculated YUV convertion tables
  *******************************************************************************
  * These tables are used by convertion and scaling functions.
  *******************************************************************************/
-typedef struct vout_tables_s
+typedef struct vout_yuv_s
 {
-    void *              p_base;             /* base for all translation tables */    
-    union 
-    {        
-        struct { u16 *p_red, *p_green, *p_blue; } rgb16;   /* color 15, 16 bpp */
-        struct { u32 *p_red, *p_green, *p_blue; } rgb32;   /* color 24, 32 bpp */
-        struct { u16 *p_gray; }                   gray16;   /* gray 15, 16 bpp */
-        struct { u32 *p_gray; }                   gray32;   /* gray 24, 32 bpp */
-    } yuv;    
-} vout_tables_t;
+    /* Convertion functions */
+    vout_yuv_convert_t *        p_Convert420;          /* YUV 4:2:0 converter */
+    vout_yuv_convert_t *        p_Convert422;          /* YUV 4:2:2 converter */
+    vout_yuv_convert_t *        p_Convert444;          /* YUV 4:4:4 converter */
+
+    /* Pre-calculated convertion tables */
+    void *              p_base;             /* base for all convertion tables */    
+    union
+    {
+        u8 *            p_gray8;                         /* gray 8 bits table */
+        u16 *           p_gray16;                       /* gray 16 bits table */
+        u32 *           p_gray32;                       /* gray 32 bits table */
+        u8 *            p_rgb8;                           /* RGB 8 bits table */
+        u16 *           p_rgb16;                         /* RGB 16 bits table */
+        u32 *           p_rgb32;                         /* RGB 32 bits table */
+    } yuv;
+
+    /* Temporary convertion buffer and offset array */
+    void *              p_buffer;                        /* convertion buffer */
+    int *               p_offset;                             /* offset array */    
+} vout_yuv_t;
 
 /*******************************************************************************
- * vout_convert_t: convertion function
+ * vout_buffer_t: rendering buffer
  *******************************************************************************
- * This is the prototype common to all convertion functions. The type of p_pic
- * will change depending of the screen depth treated.
- * Parameters:
- *      p_vout                  video output thread
- *      p_pic                   picture address (start address in picture)
- *      p_y, p_u, p_v           Y,U,V samples addresses
- *      i_width                 Y samples width
- *      i_height                Y samples height
- *      i_eol                   number of Y samples to reach the next line 
- *      i_pic_eol               number or pixels to reach the next line
- *      i_scale                 if non 0, vertical scaling is 1 - 1/i_scale
- *      i_matrix_coefficients   matrix coefficients
- * Conditions:
- *      start x + i_width                        <  picture width
- *      start y + i_height * (scaling factor)    <  picture height
- *      i_width % 16                             == 0
+ * This structure store informations about a buffer. Buffers are not completely
+ * cleared between displays, and modified areas needs to be stored.
  *******************************************************************************/
-typedef void (vout_convert_t)( p_vout_thread_t p_vout, void *p_pic,
-                               yuv_data_t *p_y, yuv_data_t *p_u, yuv_data_t *p_v,
-                               int i_width, int i_height, int i_eol, int i_pic_eol,
-                               int i_scale, int i_matrix_coefficients );
+typedef struct vout_buffer_s
+{     
+    /* Picture area */
+    int         i_pic_x, i_pic_y;                        /* picture position  */
+    int         i_pic_width, i_pic_height;               /* picture extension */
+    
+    /* Other areas - only vertical extensions of areas are stored */
+    int         i_areas;                                   /* number of areas */
+    int         pi_area_begin[VOUT_MAX_AREAS];           /* beginning of area */
+    int         pi_area_end[VOUT_MAX_AREAS];                   /* end of area */
+    
+    /* Picture data */
+    byte_t *    p_data;                                     /* memory address */
+} vout_buffer_t;
 
 /*******************************************************************************
  * vout_thread_t: video output thread descriptor
@@ -59,62 +88,68 @@ typedef void (vout_convert_t)( p_vout_thread_t p_vout, void *p_pic,
 typedef struct vout_thread_s
 {
     /* Thread properties and lock */
-    boolean_t           b_die;                                   /* `die' flag */
-    boolean_t           b_error;                               /* `error' flag */
-    boolean_t           b_active;                             /* `active' flag */
-    vlc_thread_t        thread_id;                 /* id for pthread functions */
-    vlc_mutex_t         picture_lock;                     /* picture heap lock */
-    vlc_mutex_t         subtitle_lock;                   /* subtitle heap lock */   
-    vlc_mutex_t         change_lock;                     /* thread change lock */    
-    int *               pi_status;                    /* temporary status flag */
-    p_vout_sys_t        p_sys;                         /* system output method */
+    boolean_t           b_die;                                  /* `die' flag */
+    boolean_t           b_error;                              /* `error' flag */
+    boolean_t           b_active;                            /* `active' flag */
+    vlc_thread_t        thread_id;                /* id for pthread functions */
+    vlc_mutex_t         picture_lock;                    /* picture heap lock */
+    vlc_mutex_t         subpicture_lock;              /* subpicture heap lock */
+    vlc_mutex_t         change_lock;                    /* thread change lock */
+    int *               pi_status;                   /* temporary status flag */
+    p_vout_sys_t        p_sys;                        /* system output method */
 
     /* Current display properties */    
-    boolean_t           b_grayscale;             /* color or grayscale display */   
-    int                 i_width;                /* current output method width */
-    int                 i_height;              /* current output method height */
-    int                 i_bytes_per_line;/* bytes per line (including virtual) */
-    int                 i_screen_depth;                      /* bits per pixel */
-    int                 i_bytes_per_pixel;                /* real screen depth */
-    float               f_gamma;                                      /* gamma */
+    u16                 i_changes;              /* changes made to the thread */
+    int                 i_width;               /* current output method width */
+    int                 i_height;             /* current output method height */
+    int                 i_bytes_per_line;   /* bytes per line (incl. virtual) */
+    int                 i_screen_depth;                     /* bits per pixel */
+    int                 i_bytes_per_pixel;               /* real screen depth */
+    float               f_gamma;                                     /* gamma */
 
     /* Pictures and rendering properties */
-    boolean_t           b_info;              /* print additionnal informations */
+    boolean_t           b_grayscale;            /* color or grayscale display */
+    boolean_t           b_info;             /* print additionnal informations */
+    boolean_t           b_interface;                      /* render interface */
+    boolean_t           b_scale;                     /* allow picture scaling */
+
+    /* Idle screens management */
+    mtime_t             last_display_date;      /* last non idle display date */
+    mtime_t             last_idle_date;             /* last idle display date */
 
 #ifdef STATS    
     /* Statistics - these numbers are not supposed to be accurate, but are a
      * good indication of the thread status */
-    mtime_t             render_time;               /* last picture render time */
-    count_t             c_fps_samples;                       /* picture counts */    
-    mtime_t             fps_sample[ VOUT_FPS_SAMPLES ];   /* FPS samples dates */
+    mtime_t             render_time;              /* last picture render time */
+    count_t             c_fps_samples;                      /* picture counts */
+    mtime_t             p_fps_sample[ VOUT_FPS_SAMPLES ];/* FPS samples dates */
 #endif
 
-    /* Running properties */
-    u16                 i_changes;               /* changes made to the thread */    
-    mtime_t             last_picture_date;        /* last picture display date */
-    mtime_t             last_display_date;         /* last screen display date */    
+    /* Rendering buffers */
+    int                 i_buffer_index;                       /* buffer index */
+    vout_buffer_t       p_buffer[2];                    /* buffers properties */
 
     /* Videos heap and translation tables */
-    picture_t           p_picture[VOUT_MAX_PICTURES];              /* pictures */
-    subtitle_t          p_subtitle[VOUT_MAX_PICTURES];            /* subtitles */    
-    vout_tables_t       tables;                          /* translation tables */
-    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 */
+    picture_t           p_picture[VOUT_MAX_PICTURES];             /* pictures */
+    subpicture_t        p_subpicture[VOUT_MAX_PICTURES];       /* subpictures */
+    vout_yuv_t          yuv;                            /* translation tables */
 
     /* Bitmap fonts */
-    p_vout_font_t       p_default_font;                        /* default font */    
-    p_vout_font_t       p_large_font;                            /* large font */    
+    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
  * thread changed a variable */
-#define VOUT_INFO_CHANGE        0x0001                       /* b_info changed */
-#define VOUT_GRAYSCALE_CHANGE   0x0002                  /* b_grayscale changed */
-#define VOUT_SIZE_CHANGE        0x0008                         /* size changed */
-#define VOUT_DEPTH_CHANGE       0x0010                        /* depth changed */
-#define VOUT_GAMMA_CHANGE       0x0080                        /* gamma changed */
-#define VOUT_NODISPLAY_CHANGE   0xffff      /* changes which forbidden display */
+#define VOUT_INFO_CHANGE        0x0001                      /* b_info changed */
+#define VOUT_GRAYSCALE_CHANGE   0x0002                 /* b_grayscale changed */
+#define VOUT_INTF_CHANGE        0x0004                 /* b_interface changed */
+#define VOUT_SCALE_CHANGE       0x0008                     /* b_scale changed */
+#define VOUT_SIZE_CHANGE        0x0200                        /* size changed */
+#define VOUT_DEPTH_CHANGE       0x0400                       /* depth changed */
+#define VOUT_GAMMA_CHANGE       0x0010                       /* gamma changed */
+#define VOUT_YUV_CHANGE         0x0800                   /* change yuv tables */
+#define VOUT_NODISPLAY_CHANGE   0xff00     /* changes which forbidden display */
 
 /*******************************************************************************
  * Prototypes
@@ -129,15 +164,8 @@ void            vout_DisplayPicture     ( vout_thread_t *p_vout, picture_t *p_pi
 void            vout_DatePicture        ( vout_thread_t *p_vout, picture_t *p_pic, mtime_t date );
 void            vout_LinkPicture        ( vout_thread_t *p_vout, picture_t *p_pic );
 void            vout_UnlinkPicture      ( vout_thread_t *p_vout, picture_t *p_pic );
-subtitle_t *    vout_CreateSubtitle     ( vout_thread_t *p_vout, int i_type, int i_size );
-void            vout_DestroySubtitle    ( vout_thread_t *p_vout, subtitle_t *p_sub );
-void            vout_DisplaySubtitle    ( vout_thread_t *p_vout, subtitle_t *p_sub );
-
-
-
-
-
-
-
-
+subpicture_t *  vout_CreateSubPicture   ( vout_thread_t *p_vout, int i_type, int i_size );
+void            vout_DestroySubPicture  ( vout_thread_t *p_vout, subpicture_t *p_subpic );
+void            vout_DisplaySubPicture  ( vout_thread_t *p_vout, subpicture_t *p_subpic );
 
+void            vout_SetBuffers         ( vout_thread_t *p_vout, void *p_buf1, void *p_buf2 );