-/*******************************************************************************
+/*****************************************************************************
* video_output.h : video output thread
- * (c)1999 VideoLAN
- *******************************************************************************
* This module describes the programming interface for video output threads.
* It includes functions allowing to open a new thread, send pictures to a
* thread, and destroy a previously oppenned video output thread.
- *******************************************************************************/
-
-/*******************************************************************************
+ *****************************************************************************
+ * Copyright (C) 1999, 2000 VideoLAN
+ *
+ * Authors:
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
* 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_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_yuv_s
{
/* 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 */
+ 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 conversion tables */
+ void * p_base; /* base for all conversion 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 */
+ 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 */
+ void * p_buffer; /* convertion buffer */
+ int * p_offset; /* offset array */
} vout_yuv_t;
-/*******************************************************************************
+/*****************************************************************************
* vout_buffer_t: rendering buffer
- *******************************************************************************
+ *****************************************************************************
* This structure store informations about a buffer. Buffers are not completely
- * cleared between displays, and modified areas needs to be stored.
- *******************************************************************************/
+ * cleared between displays, and modified areas need to be stored.
+ *****************************************************************************/
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 */
-
+ 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 */
-
+ 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 */
+ byte_t * p_data; /* memory address */
} vout_buffer_t;
-/*******************************************************************************
+/*****************************************************************************
* vout_thread_t: video output thread descriptor
- *******************************************************************************
+ *****************************************************************************
* Any independant video output device, such as an X11 window or a GGI device,
- * is represented by a video output thread, and described using following
+ * is represented by a video output thread, and described using the following
* structure.
- *******************************************************************************/
-typedef void (vout_set_palette_t)( p_vout_thread_t p_vout,
- u16 *red, u16 *green, u16 *blue, u16 *transp );
+ *****************************************************************************/
+typedef int (vout_sys_create_t) ( p_vout_thread_t p_vout,
+ char *psz_display, int i_root_window );
+typedef int (vout_sys_init_t) ( p_vout_thread_t p_vout );
+typedef void (vout_sys_end_t) ( p_vout_thread_t p_vout );
+typedef void (vout_sys_destroy_t) ( p_vout_thread_t p_vout );
+typedef int (vout_sys_manage_t) ( p_vout_thread_t p_vout );
+typedef void (vout_sys_display_t) ( p_vout_thread_t p_vout );
+typedef void (vout_set_palette_t) ( p_vout_thread_t p_vout, u16 *red,
+ u16 *green, u16 *blue, u16 *transp );
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 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 */
- 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; /* significant bpp: 8, 15, 16 or 24 */
- int i_bytes_per_pixel; /* real screen depth: 1, 2, 3 or 4 */
- float f_gamma; /* gamma */
-
- /* Color masks and shifts in RGB mode - masks are set by system
- * initialization, shifts are calculated. A pixel color value can be
+ 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 */
+ 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; /* significant bpp: 8, 15, 16 or 24 */
+ int i_bytes_per_pixel;/* real screen depth: 1, 2, 3 or 4 */
+ float f_gamma; /* gamma */
+
+ /* Color masks and shifts in RGB mode - masks are set by system
+ * initialization, shifts are calculated. A pixel color value can be
* obtained using the formula ((value >> rshift) << lshift) */
- u32 i_red_mask; /* red mask */
- u32 i_green_mask; /* green mask */
- u32 i_blue_mask; /* blue mask */
- int i_red_lshift, i_red_rshift; /* red shifts */
- int i_green_lshift, i_green_rshift; /* green shifts */
- int i_blue_lshift, i_blue_rshift; /* blue shifts */
-
- /* Useful pre-calculated pixel values - these are not supposed to be
+ u32 i_red_mask; /* red mask */
+ u32 i_green_mask; /* green mask */
+ u32 i_blue_mask; /* blue mask */
+ int i_red_lshift, i_red_rshift; /* red shifts */
+ int i_green_lshift, i_green_rshift; /* green shifts */
+ int i_blue_lshift, i_blue_rshift; /* blue shifts */
+
+ /* Useful pre-calculated pixel values - these are not supposed to be
* accurate values, but rather values looking nice, given their usage. */
- u32 i_white_pixel; /* white */
- u32 i_black_pixel; /* black */
- u32 i_gray_pixel; /* gray */
- u32 i_blue_pixel; /* blue */
+ u32 i_white_pixel; /* white */
+ u32 i_black_pixel; /* black */
+ u32 i_gray_pixel; /* gray */
+ u32 i_blue_pixel; /* blue */
+
+ /* Plugins */
+ void * p_vout_plugin; /* video output plugin */
+ vout_sys_create_t * p_sys_create; /* allocate output method */
+ vout_sys_init_t * p_sys_init; /* initialize output method */
+ vout_sys_end_t * p_sys_end; /* terminate output method */
+ vout_sys_destroy_t * p_sys_destroy; /* destroy output method */
+ vout_sys_manage_t * p_sys_manage; /* handle events */
+ vout_sys_display_t * p_sys_display; /* display rendered image */
+ vout_set_palette_t * p_set_palette; /* sets 8bpp palette */
/* Pictures and rendering properties */
- 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 */
- vout_set_palette_t *p_set_palette; /* sets 8bpp palette */
+ 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 */
+ mtime_t last_display_date; /* last non idle display date */
+ mtime_t last_idle_date; /* last idle display date */
-#ifdef STATS
+#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 p_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
/* Rendering buffers */
- int i_buffer_index; /* buffer index */
- vout_buffer_t p_buffer[2]; /* buffers properties */
+ 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 */
- subpicture_t p_subpicture[VOUT_MAX_PICTURES]; /* subpictures */
- vout_yuv_t yuv; /* translation tables */
+ picture_t p_picture[VOUT_MAX_PICTURES]; /* pictures */
+ subpicture_t p_subpicture[VOUT_MAX_PICTURES]; /* subpictures */
+ int i_pictures; /* current heap size */
+ 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 */
+
+ /* Synchronisation informations - synchro level is updated by the vout
+ * thread and read by decoder threads */
+ int i_synchro_level; /* trashing level */
} 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_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 */
-
-/*******************************************************************************
+#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 */
+
+/*****************************************************************************
* Macros
- *******************************************************************************/
+ *****************************************************************************/
/* RGB2PIXEL: assemble RGB components to a pixel value, returns a u32 */
-#define RGB2PIXEL( p_vout, i_red, i_green, i_blue ) \
- (((((u32)i_red) >> p_vout->i_red_rshift) << p_vout->i_red_lshift) | \
- ((((u32)i_green) >> p_vout->i_green_rshift) << p_vout->i_green_lshift) | \
+#define RGB2PIXEL( p_vout, i_red, i_green, i_blue ) \
+ (((((u32)i_red) >> p_vout->i_red_rshift) << p_vout->i_red_lshift) | \
+ ((((u32)i_green) >> p_vout->i_green_rshift) << p_vout->i_green_lshift) | \
((((u32)i_blue) >> p_vout->i_blue_rshift) << p_vout->i_blue_lshift))
-/*******************************************************************************
+/*****************************************************************************
* Prototypes
- *******************************************************************************/
-vout_thread_t * vout_CreateThread ( char *psz_display, int i_root_window,
- int i_width, int i_height, int *pi_status );
+ *****************************************************************************/
+vout_thread_t * vout_CreateThread ( char *psz_display, int i_root_window,
+ int i_width, int i_height, int *pi_status, int i_method );
void vout_DestroyThread ( vout_thread_t *p_vout, int *pi_status );
-picture_t * vout_CreatePicture ( vout_thread_t *p_vout, int i_type,
+picture_t * vout_CreatePicture ( vout_thread_t *p_vout, int i_type,
int i_width, int i_height );
void vout_DestroyPicture ( vout_thread_t *p_vout, picture_t *p_pic );
void vout_DisplayPicture ( vout_thread_t *p_vout, picture_t *p_pic );
projects / vlc / blobdiff