-/*******************************************************************************
+/*****************************************************************************
* 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.
- *******************************************************************************/
-
-/*******************************************************************************
- * vout_tables_t: pre-calculated convertion tables
- *******************************************************************************
- * These tables are used by convertion and scaling functions.
- *******************************************************************************/
-typedef struct vout_tables_s
+ *****************************************************************************
+ * Copyright (C) 1999, 2000 VideoLAN
+ * $Id: video_output.h,v 1.67 2001/12/19 03:50:22 sam Exp $
+ *
+ * Authors: Vincent Seguin <seguin@via.ecp.fr>
+ *
+ * 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, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * vout_bank_t, p_vout_bank (global variable)
+ *****************************************************************************
+ * This global variable is accessed by any function using the video output.
+ *****************************************************************************/
+typedef struct vout_bank_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;
-
-/*******************************************************************************
- * vout_convert_t: 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 (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
- *******************************************************************************/
-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 );
-
-/*******************************************************************************
- * 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
- * structure.
- *******************************************************************************/
-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 */
-
- /* 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 */
-
- /* Pictures and rendering properties */
- boolean_t b_info; /* print additionnal informations */
-
-#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 */
-#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 */
-
- /* 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 */
-} vout_thread_t;
+ /* Array to all the video outputs */
+ struct vout_thread_s *pp_vout[ VOUT_MAX_THREADS ];
-/* 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 */
-
-/*******************************************************************************
- * Prototypes
- *******************************************************************************/
-vout_thread_t * vout_CreateThread ( char *psz_display, int i_root_window,
- int i_width, int i_height, int *pi_status );
-void vout_DestroyThread ( vout_thread_t *p_vout, int *pi_status );
-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 );
-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 );
+ int i_count;
+ vlc_mutex_t lock; /* Global lock */
+} vout_bank_t;
+extern vout_bank_t *p_vout_bank;
+/*****************************************************************************
+ * vout_chroma_t: Chroma conversion function
+ *****************************************************************************
+ * This is the prototype common to all conversion functions.
+ * Parameters:
+ * p_source source picture
+ * p_dest destination picture
+ * Picture width and source dimensions must be multiples of 16.
+ *****************************************************************************/
+typedef void (vout_chroma_convert_t)( picture_t *p_source, picture_t *p_dest );
+typedef struct vout_chroma_s
+{
+ /* conversion functions */
+ vout_chroma_convert_t *pf_convert;
+ /* Private module-dependant data */
+ p_chroma_sys_t p_sys; /* private data */
+ /* Plugin used and shortcuts to access its capabilities */
+ struct module_s * p_module;
+ int ( * pf_init ) ( struct vout_thread_s * );
+ int ( * pf_reset ) ( struct vout_thread_s * );
+ void ( * pf_end ) ( struct vout_thread_s * );
+} vout_chroma_t;
+/*****************************************************************************
+ * vout_fifo_t
+ *****************************************************************************/
+typedef struct vout_fifo_s
+{
+ /* See the fifo types below */
+ int i_type;
+ boolean_t b_die;
+ int i_fifo; /* Just to keep track of the fifo index */
+ vlc_mutex_t data_lock;
+ vlc_cond_t data_wait;
+} vout_fifo_t;
+#define VOUT_EMPTY_FIFO 0
+#define VOUT_YUV_FIFO 1
+#define VOUT_SPU_FIFO 2
+/*****************************************************************************
+ * 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 the following
+ * structure.
+ *****************************************************************************/
+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 */
+ float f_gamma; /* gamma */
+ boolean_t b_grayscale; /* color or grayscale display */
+ boolean_t b_info; /* print additional information */
+ boolean_t b_interface; /* render interface */
+ boolean_t b_scale; /* allow picture scaling */
+ boolean_t b_fullscreen; /* toogle fullscreen display */
+ mtime_t render_time; /* last picture render time */
+
+ /* Plugin used and shortcuts to access its capabilities */
+ struct module_s * p_module;
+ int ( *pf_create ) ( struct vout_thread_s * );
+ int ( *pf_init ) ( struct vout_thread_s * );
+ void ( *pf_end ) ( struct vout_thread_s * );
+ void ( *pf_destroy ) ( struct vout_thread_s * );
+ int ( *pf_manage ) ( struct vout_thread_s * );
+ void ( *pf_display ) ( struct vout_thread_s *,
+ struct picture_s * );
+ void ( *pf_setpalette ) ( struct vout_thread_s *,
+ u16 *, u16 *, u16 * );
+ /* Statistics - these numbers are not supposed to be accurate, but are a
+ * good indication of the thread status */
+ count_t c_fps_samples; /* picture counts */
+ mtime_t p_fps_sample[VOUT_FPS_SAMPLES]; /* FPS samples dates */
+
+ /* Video heap and translation tables */
+ int i_heap_size; /* heap size */
+ picture_heap_t render; /* rendered pictures */
+ picture_heap_t output; /* direct buffers */
+ boolean_t b_direct; /* rendered are like direct ? */
+ vout_chroma_t chroma; /* translation tables */
+
+ /* Picture and subpicture heaps */
+ picture_t p_picture[VOUT_MAX_PICTURES]; /* pictures */
+ subpicture_t p_subpicture[VOUT_MAX_PICTURES]; /* subpictures */
+
+ /* Bitmap fonts */
+ p_vout_font_t p_default_font; /* default font */
+ p_vout_font_t p_large_font; /* large font */
+
+ /* Statistics */
+ count_t c_loops;
+ count_t c_pictures, c_late_pictures;
+ mtime_t display_jitter; /* average deviation from the PTS */
+ count_t c_jitter_samples; /* number of samples used for the *
+ * calculation of the jitter */
+} vout_thread_t;
+#define I_OUTPUTPICTURES p_vout->output.i_pictures
+#define PP_OUTPUTPICTURE p_vout->output.pp_picture
+#define I_RENDERPICTURES p_vout->render.i_pictures
+#define PP_RENDERPICTURE p_vout->render.pp_picture
+/* 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_GAMMA_CHANGE 0x0010 /* gamma changed */
+#define VOUT_CURSOR_CHANGE 0x0020 /* b_cursor changed */
+#define VOUT_FULLSCREEN_CHANGE 0x0040 /* b_fullscreen changed */
+#define VOUT_SIZE_CHANGE 0x0200 /* size changed */
+#define VOUT_DEPTH_CHANGE 0x0400 /* depth changed */
+#define VOUT_CHROMA_CHANGE 0x0800 /* change chroma tables */
+
+/* Disabled for thread deadlocks issues --Meuuh */
+//#define VOUT_NODISPLAY_CHANGE 0xff00 /* changes which forbidden display */
+
+#define MAX_JITTER_SAMPLES 20
+
+/*****************************************************************************
+ * Prototypes
+ *****************************************************************************/
+void vout_InitBank ( void );
+void vout_EndBank ( void );
+
+vout_thread_t * vout_CreateThread ( int *pi_status, int, int, int, int );
+void vout_DestroyThread ( vout_thread_t *, int *pi_status );
+
+vout_fifo_t * vout_CreateFifo ( void );
+void vout_DestroyFifo ( vout_fifo_t * );
+void vout_FreeFifo ( vout_fifo_t * );
+
+picture_t * vout_CreatePicture ( vout_thread_t *,
+ boolean_t, boolean_t, boolean_t );
+void vout_AllocatePicture( picture_t *, int, int, int );
+void vout_DestroyPicture ( vout_thread_t *, picture_t * );
+void vout_DisplayPicture ( vout_thread_t *, picture_t * );
+void vout_DatePicture ( vout_thread_t *, picture_t *, mtime_t );
+void vout_LinkPicture ( vout_thread_t *, picture_t * );
+void vout_UnlinkPicture ( vout_thread_t *, picture_t * );
+picture_t * vout_RenderPicture ( vout_thread_t *, picture_t *,
+ subpicture_t * );
+void vout_PlacePicture ( vout_thread_t *, int, int,
+ int *, int *, int *, int * );
+
+subpicture_t * vout_CreateSubPicture ( vout_thread_t *, int, int );
+void vout_DestroySubPicture ( vout_thread_t *, subpicture_t * );
+void vout_DisplaySubPicture ( vout_thread_t *, subpicture_t * );
+subpicture_t * vout_SortSubPictures ( vout_thread_t *, mtime_t );
+void vout_RenderSubPictures ( vout_thread_t *, picture_t *,
+ subpicture_t * );