]> git.sesse.net Git - vlc/blobdiff - include/video_output.h
ALL: backport of 13001,13004,13005,13011,13012,13019,13020,13025 from trunk.
[vlc] / include / video_output.h
index 105e13cb47c2b99e24442aa18c17d9867dd7754a..de9120918b5c0733e9f33af42b22d451d07cecf5 100644 (file)
@@ -1,19 +1,17 @@
 /*****************************************************************************
  * video_output.h : video output thread
- * 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 opened video output thread.
  *****************************************************************************
- * Copyright (C) 1999, 2000 VideoLAN
- * $Id: video_output.h,v 1.75 2002/04/25 21:52:42 sam Exp $
+ * Copyright (C) 1999, 2000 the VideoLAN team
+ * $Id$
  *
  * Authors: Vincent Seguin <seguin@via.ecp.fr>
+ *          Samuel Hocevar <sam@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
  * 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
-{
-    /* Array to all the video outputs */
-    struct vout_thread_s *pp_vout[ VOUT_MAX_THREADS ];
-
-    int                   i_count;
-    vlc_mutex_t           lock;                               /* Global lock */
-
-} vout_bank_t;
-
-#ifndef __PLUGIN__
-extern vout_bank_t *p_vout_bank;
-#else
-#   define p_vout_bank (p_symbols->p_vout_bank)
-#endif
+/**
+ * \defgroup video_output Video Output
+ * 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 opened video output thread.
+ * @{
+ */
 
-/*****************************************************************************
- * vout_chroma_t: Chroma conversion function
- *****************************************************************************
+/**
+ * Chroma conversion function
+ *
  * This is the prototype common to all conversion functions.
- * Parameters:
- *      p_source                        source picture
- *      p_dest                          destination picture
+ * \param p_vout video output thread
+ * \param p_source source picture
+ * \param p_dest destination picture
  * Picture width and source dimensions must be multiples of 16.
- *****************************************************************************/
-typedef void (vout_chroma_convert_t)( struct vout_thread_s *,
+ */
+typedef void (vout_chroma_convert_t)( vout_thread_t *,
                                       picture_t *, picture_t * );
 
-typedef struct vout_chroma_s
+typedef struct vout_chroma_t
 {
-    /* conversion functions */
+    /** conversion functions */
     vout_chroma_convert_t *pf_convert;
 
-    /* Private module-dependant data */
-    p_chroma_sys_t      p_sys;                               /* private data */
+    /** Private module-dependant data */
+    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 * );
-    void ( * pf_end )   ( struct vout_thread_s * );
+    /** Plugin used and shortcuts to access its capabilities */
+    module_t * p_module;
 
 } 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
- *****************************************************************************
+/**
+ * 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
+ */
+struct vout_thread_t
 {
-    /* 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 */
-    int                 i_window_width;                /* video window width */
-    int                 i_window_height;              /* video window height */
-
-    /* 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_render )     ( struct vout_thread_s *,
-                                          struct picture_s * );
-    void             ( *pf_display )    ( struct vout_thread_s *,
-                                          struct picture_s * );
-
-    /* Statistics - these numbers are not supposed to be accurate, but are a
+    VLC_COMMON_MEMBERS
+
+    /** \name Thread properties and locks */
+    /**@{*/
+    vlc_mutex_t         picture_lock;                 /**< picture heap lock */
+    vlc_mutex_t         subpicture_lock;           /**< subpicture heap lock */
+    vlc_mutex_t         change_lock;                 /**< thread change lock */
+    vout_sys_t *        p_sys;                     /**< system output method */
+    /**@}*/
+
+    /** \name Current display properties */
+    /**@{*/
+    uint16_t            i_changes;          /**< changes made to the thread.
+                                                      \see \ref vout_changes */
+    float               f_gamma;                                  /**< gamma */
+    vlc_bool_t          b_grayscale;         /**< color or grayscale display */
+    vlc_bool_t          b_info;            /**< print additional information */
+    vlc_bool_t          b_interface;                   /**< render interface */
+    vlc_bool_t          b_scale;                  /**< allow picture scaling */
+    vlc_bool_t          b_fullscreen;         /**< toogle fullscreen display */
+    uint32_t            render_time;           /**< last picture render time */
+    unsigned int        i_window_width;              /**< video window width */
+    unsigned int        i_window_height;            /**< video window height */
+    unsigned int        i_alignment;          /**< video alignment in window */
+    unsigned int        i_par_num;           /**< monitor pixel aspect-ratio */
+    unsigned int        i_par_den;           /**< monitor pixel aspect-ratio */
+
+    intf_thread_t       *p_parent_intf;   /**< parent interface for embedded
+                                                               vout (if any) */
+    /**@}*/
+
+    /** \name Plugin used and shortcuts to access its capabilities */
+    /**@{*/
+    module_t *   p_module;
+    int       ( *pf_init )       ( vout_thread_t * );
+    void      ( *pf_end )        ( vout_thread_t * );
+    int       ( *pf_manage )     ( vout_thread_t * );
+    void      ( *pf_render )     ( vout_thread_t *, picture_t * );
+    void      ( *pf_display )    ( vout_thread_t *, picture_t * );
+    void      ( *pf_swap )       ( vout_thread_t * );         /* OpenGL only */
+    int       ( *pf_lock )       ( vout_thread_t * );         /* OpenGL only */
+    void      ( *pf_unlock )     ( vout_thread_t * );         /* OpenGL only */
+    int       ( *pf_control )    ( vout_thread_t *, int, va_list );
+    /**@}*/
+
+    /** \name 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[2*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 */
+    /**@{*/
+    count_t       c_fps_samples;                         /**< picture counts */
+    mtime_t       p_fps_sample[VOUT_FPS_SAMPLES];     /**< FPS samples dates */
+    /**@}*/
+
+    /** \name Video heap and translation tables */
+    /**@{*/
+    int                 i_heap_size;                          /**< heap size */
+    picture_heap_t      render;                       /**< rendered pictures */
+    picture_heap_t      output;                          /**< direct buffers */
+    vlc_bool_t          b_direct;            /**< rendered are like direct ? */
+    vout_chroma_t       chroma;                      /**< translation tables */
+
+    video_format_t      fmt_render;      /* render format (from the decoder) */
+    video_format_t      fmt_in;            /* input (modified render) format */
+    video_format_t      fmt_out;     /* output format (for the video output) */
+    /**@}*/
+
+    /* Picture heap */
+    picture_t           p_picture[2*VOUT_MAX_PICTURES+1];      /**< pictures */
+
+    /* Subpicture unit */
+    spu_t            *p_spu;
 
     /* 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;
+    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  */
+    /** delay created by internal caching */
+    int                 i_pts_delay;
+
+    /* Filter chain */
+    char *psz_filter_chain;
+    vlc_bool_t b_filter_change;
+
+    /* Misc */
+    vlc_bool_t       b_snapshot;     /**< take one snapshot on the next loop */
+};
 
 #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 */
+/** \defgroup vout_changes Flags for changes
+ * These flags are set in the vout_thread_t::i_changes field when another
+ * thread changed a variable
+ * @{
+ */
+/** b_info changed */
+#define VOUT_INFO_CHANGE        0x0001
+/** b_grayscale changed */
+#define VOUT_GRAYSCALE_CHANGE   0x0002
+/** b_interface changed */
+#define VOUT_INTF_CHANGE        0x0004
+/** b_scale changed */
+#define VOUT_SCALE_CHANGE       0x0008
+/** gamma changed */
+#define VOUT_GAMMA_CHANGE       0x0010
+/** b_cursor changed */
+#define VOUT_CURSOR_CHANGE      0x0020
+/** b_fullscreen changed */
+#define VOUT_FULLSCREEN_CHANGE  0x0040
+/** size changed */
+#define VOUT_SIZE_CHANGE        0x0200
+/** depth changed */
+#define VOUT_DEPTH_CHANGE       0x0400
+/** change chroma tables */
+#define VOUT_CHROMA_CHANGE      0x0800
+/** cropping parameters changed */
+#define VOUT_CROP_CHANGE        0x1000
+/** aspect ratio changed */
+#define VOUT_ASPECT_CHANGE      0x2000
+/** change/recreate picture buffers */
+#define VOUT_PICTURE_BUFFERS_CHANGE 0x4000
+/**@}*/
+
+/* Alignment flags */
+#define VOUT_ALIGN_LEFT         0x0001
+#define VOUT_ALIGN_RIGHT        0x0002
+#define VOUT_ALIGN_HMASK        0x0003
+#define VOUT_ALIGN_TOP          0x0004
+#define VOUT_ALIGN_BOTTOM       0x0008
+#define VOUT_ALIGN_VMASK        0x000C
 
 #define MAX_JITTER_SAMPLES      20
 
 /*****************************************************************************
  * Prototypes
  *****************************************************************************/
-#ifndef __PLUGIN__
-void            vout_InitBank       ( void );
-void            vout_EndBank        ( void );
-
-vout_thread_t * vout_CreateThread   ( int *pi_status, int, int, u32, 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 * );
-
-int             vout_ChromaCmp          ( u32, u32 );
-
-picture_t *     vout_CreatePicture  ( vout_thread_t *,
-                                      boolean_t, boolean_t, boolean_t );
-void            vout_AllocatePicture( picture_t *, int, int, u32 );
-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 * );
+#define vout_Request(a,b,c) __vout_Request(VLC_OBJECT(a),b,c)
+VLC_EXPORT( vout_thread_t *, __vout_Request,    ( vlc_object_t *, vout_thread_t *, video_format_t * ) );
+#define vout_Create(a,b) __vout_Create(VLC_OBJECT(a),b)
+VLC_EXPORT( vout_thread_t *, __vout_Create,       ( vlc_object_t *, video_format_t * ) );
+VLC_EXPORT( void,            vout_Destroy,        ( vout_thread_t * ) );
+VLC_EXPORT( int, vout_VarCallback, ( vlc_object_t *, const char *, vlc_value_t, vlc_value_t, void * ) );
+
+VLC_EXPORT( int,             vout_ChromaCmp,      ( uint32_t, uint32_t ) );
+
+VLC_EXPORT( picture_t *,     vout_CreatePicture,  ( vout_thread_t *, vlc_bool_t, vlc_bool_t, unsigned int ) );
+VLC_EXPORT( void,            vout_InitFormat,     ( video_frame_format_t *, uint32_t, int, int, int ) );
+VLC_EXPORT( void,            vout_DestroyPicture, ( vout_thread_t *, picture_t * ) );
+VLC_EXPORT( void,            vout_DisplayPicture, ( vout_thread_t *, picture_t * ) );
+VLC_EXPORT( void,            vout_DatePicture,    ( vout_thread_t *, picture_t *, mtime_t ) );
+VLC_EXPORT( void,            vout_LinkPicture,    ( vout_thread_t *, picture_t * ) );
+VLC_EXPORT( void,            vout_UnlinkPicture,  ( vout_thread_t *, picture_t * ) );
+VLC_EXPORT( void,            vout_PlacePicture,   ( vout_thread_t *, unsigned int, unsigned int, unsigned int *, unsigned int *, unsigned int *, unsigned int * ) );
 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 * );
-#else
-#   define vout_CreateThread p_symbols->vout_CreateThread
-#   define vout_DestroyThread p_symbols->vout_DestroyThread
-#   define vout_CreateSubPicture p_symbols->vout_CreateSubPicture
-#   define vout_DestroySubPicture p_symbols->vout_DestroySubPicture
-#   define vout_DisplaySubPicture p_symbols->vout_DisplaySubPicture
-#   define vout_CreatePicture p_symbols->vout_CreatePicture
-#   define vout_AllocatePicture p_symbols->vout_AllocatePicture
-#   define vout_DisplayPicture p_symbols->vout_DisplayPicture
-#   define vout_DestroyPicture p_symbols->vout_DestroyPicture
-#   define vout_DatePicture p_symbols->vout_DatePicture
-#   define vout_LinkPicture p_symbols->vout_LinkPicture
-#   define vout_UnlinkPicture p_symbols->vout_UnlinkPicture
-#   define vout_PlacePicture p_symbols->vout_PlacePicture
-#   define vout_ChromaCmp p_symbols->vout_ChromaCmp
-#endif
 
+VLC_EXPORT( int, vout_vaControlDefault, ( vout_thread_t *, int, va_list ) );
+VLC_EXPORT( void *, vout_RequestWindow, ( vout_thread_t *, int *, int *, unsigned int *, unsigned int * ) );
+VLC_EXPORT( void,   vout_ReleaseWindow, ( vout_thread_t *, void * ) );
+VLC_EXPORT( int, vout_ControlWindow, ( vout_thread_t *, void *, int, va_list ) );
+void vout_IntfInit( vout_thread_t * );
+
+
+static inline int vout_vaControl( vout_thread_t *p_vout, int i_query,
+                                  va_list args )
+{
+    if( p_vout->pf_control )
+        return p_vout->pf_control( p_vout, i_query, args );
+    else
+        return VLC_EGENERIC;
+}
+
+static inline int vout_Control( vout_thread_t *p_vout, int i_query, ... )
+{
+    va_list args;
+    int i_result;
+
+    va_start( args, i_query );
+    i_result = vout_vaControl( p_vout, i_query, args );
+    va_end( args );
+    return i_result;
+}
+
+enum output_query_e
+{
+    VOUT_SET_ZOOM,         /* arg1= double           res=    */
+    VOUT_SET_STAY_ON_TOP,  /* arg1= vlc_bool_t       res=    */
+    VOUT_REPARENT,
+    VOUT_SNAPSHOT,
+    VOUT_CLOSE,
+    VOUT_SET_FOCUS         /* arg1= vlc_bool_t       res=    */
+};
+
+/**
+ * @}
+ */