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https://code.videolan.org/videolan/vlc
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![Sam Hocevar](/assets/img/avatar_default.png)
* ./plugins/dvd/dvd.c: we look for libdvdcss.so.2 as well as -.so.1. * ./configure.in: BSD/OS fixes thanks to Steven M. Schultz. * ./Makefile: renamed the `snapshot' rule to `dist'. * ./Makefile: removed the `snapshot-nocss' rule which isn't needed anymore.
238 lines
12 KiB
C
238 lines
12 KiB
C
/*****************************************************************************
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* video_output.h : video output thread
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* This module describes the programming interface for video output threads.
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* It includes functions allowing to open a new thread, send pictures to a
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* thread, and destroy a previously opened video output thread.
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: video_output.h,v 1.73 2002/04/04 05:08:05 sam Exp $
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*
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* Authors: Vincent Seguin <seguin@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* vout_bank_t, p_vout_bank (global variable)
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*****************************************************************************
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* This global variable is accessed by any function using the video output.
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*****************************************************************************/
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typedef struct vout_bank_s
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{
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/* Array to all the video outputs */
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struct vout_thread_s *pp_vout[ VOUT_MAX_THREADS ];
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int i_count;
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vlc_mutex_t lock; /* Global lock */
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} vout_bank_t;
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#ifndef PLUGIN
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extern vout_bank_t *p_vout_bank;
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#else
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# define p_vout_bank (p_symbols->p_vout_bank)
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#endif
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/*****************************************************************************
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* vout_chroma_t: Chroma conversion function
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*****************************************************************************
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* This is the prototype common to all conversion functions.
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* Parameters:
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* p_source source picture
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* p_dest destination picture
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* Picture width and source dimensions must be multiples of 16.
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*****************************************************************************/
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typedef void (vout_chroma_convert_t)( struct vout_thread_s *,
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picture_t *, picture_t * );
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typedef struct vout_chroma_s
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{
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/* conversion functions */
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vout_chroma_convert_t *pf_convert;
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/* Private module-dependant data */
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p_chroma_sys_t p_sys; /* private data */
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/* Plugin used and shortcuts to access its capabilities */
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struct module_s * p_module;
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int ( * pf_init ) ( struct vout_thread_s * );
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void ( * pf_end ) ( struct vout_thread_s * );
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} vout_chroma_t;
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/*****************************************************************************
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* vout_fifo_t
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*****************************************************************************/
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typedef struct vout_fifo_s
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{
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/* See the fifo types below */
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int i_type;
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boolean_t b_die;
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int i_fifo; /* Just to keep track of the fifo index */
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vlc_mutex_t data_lock;
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vlc_cond_t data_wait;
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} vout_fifo_t;
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#define VOUT_EMPTY_FIFO 0
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#define VOUT_YUV_FIFO 1
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#define VOUT_SPU_FIFO 2
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/*****************************************************************************
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* vout_thread_t: video output thread descriptor
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*****************************************************************************
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* Any independant video output device, such as an X11 window or a GGI device,
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* is represented by a video output thread, and described using the following
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* structure.
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*****************************************************************************/
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typedef struct vout_thread_s
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{
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/* Thread properties and lock */
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boolean_t b_die; /* `die' flag */
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boolean_t b_error; /* `error' flag */
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boolean_t b_active; /* `active' flag */
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vlc_thread_t thread_id; /* id for pthread functions */
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vlc_mutex_t picture_lock; /* picture heap lock */
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vlc_mutex_t subpicture_lock; /* subpicture heap lock */
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vlc_mutex_t change_lock; /* thread change lock */
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int * pi_status; /* temporary status flag */
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p_vout_sys_t p_sys; /* system output method */
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/* Current display properties */
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u16 i_changes; /* changes made to the thread */
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float f_gamma; /* gamma */
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boolean_t b_grayscale; /* color or grayscale display */
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boolean_t b_info; /* print additional information */
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boolean_t b_interface; /* render interface */
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boolean_t b_scale; /* allow picture scaling */
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boolean_t b_fullscreen; /* toogle fullscreen display */
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mtime_t render_time; /* last picture render time */
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int i_window_width; /* video window width */
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int i_window_height; /* video window height */
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/* Plugin used and shortcuts to access its capabilities */
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struct module_s * p_module;
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int ( *pf_create ) ( struct vout_thread_s * );
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int ( *pf_init ) ( struct vout_thread_s * );
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void ( *pf_end ) ( struct vout_thread_s * );
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void ( *pf_destroy ) ( struct vout_thread_s * );
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int ( *pf_manage ) ( struct vout_thread_s * );
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void ( *pf_render ) ( struct vout_thread_s *,
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struct picture_s * );
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void ( *pf_display ) ( struct vout_thread_s *,
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struct picture_s * );
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/* Statistics - these numbers are not supposed to be accurate, but are a
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* good indication of the thread status */
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count_t c_fps_samples; /* picture counts */
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mtime_t p_fps_sample[VOUT_FPS_SAMPLES]; /* FPS samples dates */
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/* Video heap and translation tables */
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int i_heap_size; /* heap size */
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picture_heap_t render; /* rendered pictures */
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picture_heap_t output; /* direct buffers */
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boolean_t b_direct; /* rendered are like direct ? */
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vout_chroma_t chroma; /* translation tables */
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/* Picture and subpicture heaps */
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picture_t p_picture[2*VOUT_MAX_PICTURES]; /* pictures */
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subpicture_t p_subpicture[VOUT_MAX_PICTURES]; /* subpictures */
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/* Bitmap fonts */
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p_vout_font_t p_default_font; /* default font */
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p_vout_font_t p_large_font; /* large font */
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/* Statistics */
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count_t c_loops;
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count_t c_pictures, c_late_pictures;
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mtime_t display_jitter; /* average deviation from the PTS */
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count_t c_jitter_samples; /* number of samples used for the *
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* calculation of the jitter */
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} vout_thread_t;
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#define I_OUTPUTPICTURES p_vout->output.i_pictures
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#define PP_OUTPUTPICTURE p_vout->output.pp_picture
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#define I_RENDERPICTURES p_vout->render.i_pictures
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#define PP_RENDERPICTURE p_vout->render.pp_picture
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/* Flags for changes - these flags are set in the i_changes field when another
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* thread changed a variable */
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#define VOUT_INFO_CHANGE 0x0001 /* b_info changed */
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#define VOUT_GRAYSCALE_CHANGE 0x0002 /* b_grayscale changed */
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#define VOUT_INTF_CHANGE 0x0004 /* b_interface changed */
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#define VOUT_SCALE_CHANGE 0x0008 /* b_scale changed */
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#define VOUT_GAMMA_CHANGE 0x0010 /* gamma changed */
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#define VOUT_CURSOR_CHANGE 0x0020 /* b_cursor changed */
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#define VOUT_FULLSCREEN_CHANGE 0x0040 /* b_fullscreen changed */
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#define VOUT_SIZE_CHANGE 0x0200 /* size changed */
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#define VOUT_DEPTH_CHANGE 0x0400 /* depth changed */
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#define VOUT_CHROMA_CHANGE 0x0800 /* change chroma tables */
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/* Disabled for thread deadlocks issues --Meuuh */
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//#define VOUT_NODISPLAY_CHANGE 0xff00 /* changes which forbidden display */
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#define MAX_JITTER_SAMPLES 20
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/*****************************************************************************
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* Prototypes
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*****************************************************************************/
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#ifndef PLUGIN
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void vout_InitBank ( void );
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void vout_EndBank ( void );
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vout_thread_t * vout_CreateThread ( int *pi_status, int, int, u32, int );
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void vout_DestroyThread ( vout_thread_t *, int *pi_status );
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vout_fifo_t * vout_CreateFifo ( void );
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void vout_DestroyFifo ( vout_fifo_t * );
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void vout_FreeFifo ( vout_fifo_t * );
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picture_t * vout_CreatePicture ( vout_thread_t *,
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boolean_t, boolean_t, boolean_t );
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void vout_AllocatePicture( picture_t *, int, int, u32 );
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void vout_DestroyPicture ( vout_thread_t *, picture_t * );
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void vout_DisplayPicture ( vout_thread_t *, picture_t * );
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void vout_DatePicture ( vout_thread_t *, picture_t *, mtime_t );
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void vout_LinkPicture ( vout_thread_t *, picture_t * );
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void vout_UnlinkPicture ( vout_thread_t *, picture_t * );
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picture_t * vout_RenderPicture ( vout_thread_t *, picture_t *,
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subpicture_t * );
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void vout_PlacePicture ( vout_thread_t *, int, int,
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int *, int *, int *, int * );
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subpicture_t * vout_CreateSubPicture ( vout_thread_t *, int, int );
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void vout_DestroySubPicture ( vout_thread_t *, subpicture_t * );
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void vout_DisplaySubPicture ( vout_thread_t *, subpicture_t * );
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subpicture_t * vout_SortSubPictures ( vout_thread_t *, mtime_t );
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void vout_RenderSubPictures ( vout_thread_t *, picture_t *,
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subpicture_t * );
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#else
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# define vout_CreateThread p_symbols->vout_CreateThread
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# define vout_DestroyThread p_symbols->vout_DestroyThread
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# define vout_CreateSubPicture p_symbols->vout_CreateSubPicture
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# define vout_DestroySubPicture p_symbols->vout_DestroySubPicture
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# define vout_DisplaySubPicture p_symbols->vout_DisplaySubPicture
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# define vout_CreatePicture p_symbols->vout_CreatePicture
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# define vout_AllocatePicture p_symbols->vout_AllocatePicture
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# define vout_DisplayPicture p_symbols->vout_DisplayPicture
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# define vout_DestroyPicture p_symbols->vout_DestroyPicture
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# define vout_DatePicture p_symbols->vout_DatePicture
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# define vout_LinkPicture p_symbols->vout_LinkPicture
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# define vout_UnlinkPicture p_symbols->vout_UnlinkPicture
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# define vout_PlacePicture p_symbols->vout_PlacePicture
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#endif
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