*******************************************************************************/
/*******************************************************************************
- * 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
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
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 );