git.sesse.net Git - vlc/blob - modules/video_output/x11/xcommon.h

   1 /*****************************************************************************
   2  * xcommon.h: Defines common to the X11 and XVideo plugins
   3  *****************************************************************************
   4  * Copyright (C) 1998-2001 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *          David Kennedy <dkennedy@tinytoad.com>
  10  *          Gildas Bazin <gbazin@netcourrier.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Defines
  29  *****************************************************************************/
  30 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
  31 #   define IMAGE_TYPE     XvImage
  32 #   define EXTRA_ARGS     int i_xvport, int i_chroma, int i_bits_per_pixel
  33 #   define EXTRA_ARGS_SHM int i_xvport, int i_chroma, XShmSegmentInfo *p_shm
  34 #   define DATA_SIZE(p)   (p)->data_size
  35 #   define IMAGE_FREE     XFree      /* There is nothing like XvDestroyImage */
  36 #else
  37 #   define IMAGE_TYPE     XImage
  38 #   define EXTRA_ARGS     Visual *p_visual, int i_depth, int i_bytes_per_pixel
  39 #   define EXTRA_ARGS_SHM Visual *p_visual, int i_depth, XShmSegmentInfo *p_shm
  40 #   define DATA_SIZE(p)   ((p)->bytes_per_line * (p)->height)
  41 #   define IMAGE_FREE     XDestroyImage
  42 #endif
  43
  44 #define X11_FOURCC( a, b, c, d ) \
  45         ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
  46            | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
  47 #define VLC2X11_FOURCC( i ) \
  48         X11_FOURCC( ((char *)&i)[0], ((char *)&i)[1], ((char *)&i)[2], \
  49                     ((char *)&i)[3] )
  50 #define X112VLC_FOURCC( i ) \
  51         VLC_FOURCC( i & 0xff, (i >> 8) & 0xff, (i >> 16) & 0xff, \
  52                     (i >> 24) & 0xff )
  53
  54 #ifdef HAVE_OSSO
  55 #include <libosso.h>
  56 #endif
  57
  58 struct vout_window_t;
  59
  60 /*****************************************************************************
  61  * x11_window_t: X11 window descriptor
  62  *****************************************************************************
  63  * This structure contains all the data necessary to describe an X11 window.
  64  *****************************************************************************/
  65 typedef struct x11_window_t
  66 {
  67     struct vout_window_t*owner_window;               /* owner window (if any) */
  68     Window              base_window;                          /* base window */
  69     Window              video_window;     /* sub-window for displaying video */
  70     GC                  gc;              /* graphic context instance handler */
  71
  72     unsigned int        i_width;                             /* window width */
  73     unsigned int        i_height;                           /* window height */
  74     int                 i_x;                          /* window x coordinate */
  75     int                 i_y;                          /* window y coordinate */
  76
  77     Atom                wm_protocols;
  78     Atom                wm_delete_window;
  79
  80 #ifdef HAVE_XINERAMA
  81     int                 i_screen;
  82 #endif
  83
  84 } x11_window_t;
  85
  86 /*****************************************************************************
  87  * Xxmc defines
  88  *****************************************************************************/
  89
  90 #ifdef MODULE_NAME_IS_xvmc
  91
  92 typedef struct
  93 {         /* CLUT == Color LookUp Table */
  94     uint8_t cb;
  95     uint8_t cr;
  96     uint8_t y;
  97     uint8_t foo;
  98 } clut_t;
  99
 100 #define XX44_PALETTE_SIZE 32
 101 #define OVL_PALETTE_SIZE 256
 102 #define XVMC_MAX_SURFACES 16
 103 #define XVMC_MAX_SUBPICTURES 4
 104 #define FOURCC_IA44 0x34344149
 105 #define FOURCC_AI44 0x34344941
 106
 107 typedef struct
 108 {
 109     unsigned size;
 110     unsigned max_used;
 111     uint32_t cluts[XX44_PALETTE_SIZE];
 112     /* cache palette entries for both colors and clip_colors */
 113     int lookup_cache[OVL_PALETTE_SIZE*2];
 114 } xx44_palette_t;
 115
 116 /*
 117  * Functions to handle the vlc-specific palette.
 118  */
 119
 120 void clear_xx44_palette( xx44_palette_t *p );
 121
 122 /*
 123  * Convert the xine-specific palette to something useful.
 124  */
 125
 126 void xx44_to_xvmc_palette( const xx44_palette_t *p,unsigned char *xvmc_palette,
 127              unsigned first_xx44_entry, unsigned num_xx44_entries,
 128              unsigned num_xvmc_components, char *xvmc_components );
 129
 130 typedef struct
 131 {
 132     vlc_macroblocks_t   vlc_mc;
 133     XvMCBlockArray      blocks;            /* pointer to memory for dct block array  */
 134     int                 num_blocks;
 135     XvMCMacroBlock      *macroblockptr;     /* pointer to current macro block         */
 136     XvMCMacroBlock      *macroblockbaseptr; /* pointer to base MacroBlock in MB array */
 137     XvMCMacroBlockArray macro_blocks;      /* pointer to memory for macroblock array */
 138     int                 slices;
 139 } xvmc_macroblocks_t;
 140
 141 typedef struct
 142 {
 143     unsigned int        mpeg_flags;
 144     unsigned int        accel_flags;
 145     unsigned int        max_width;
 146     unsigned int        max_height;
 147     unsigned int        sub_max_width;
 148     unsigned int        sub_max_height;
 149     int                 type_id;
 150     XvImageFormatValues subPicType;
 151     int                 flags;
 152 } xvmc_capabilities_t;
 153
 154 typedef struct xvmc_surface_handler_s
 155 {
 156     XvMCSurface         surfaces[XVMC_MAX_SURFACES];
 157     int                 surfInUse[XVMC_MAX_SURFACES];
 158     int                 surfValid[XVMC_MAX_SURFACES];
 159     XvMCSubpicture      subpictures[XVMC_MAX_SUBPICTURES];
 160     int                 subInUse[XVMC_MAX_SUBPICTURES];
 161     int                 subValid[XVMC_MAX_SUBPICTURES];
 162     pthread_mutex_t     mutex;
 163 } xvmc_surface_handler_t;
 164
 165 typedef struct context_lock_s
 166 {
 167     pthread_mutex_t     mutex;
 168     pthread_cond_t      cond;
 169     int                 num_readers;
 170 } context_lock_t;
 171
 172 #define XVMCLOCKDISPLAY(display) XLockDisplay(display);
 173 #define XVMCUNLOCKDISPLAY(display) XUnlockDisplay(display);
 174
 175 void xvmc_context_reader_unlock( context_lock_t *c );
 176 void xvmc_context_reader_lock( context_lock_t *c );
 177 void xvmc_context_writer_lock( context_lock_t *c );
 178 void xvmc_context_writer_unlock( context_lock_t *c );
 179 void free_context_lock( context_lock_t *c );
 180 void xxmc_dispose_context( vout_thread_t *p_vout );
 181
 182 int xxmc_xvmc_surface_valid( vout_thread_t *p_vout, XvMCSurface *surf );
 183 void xxmc_xvmc_free_surface( vout_thread_t *p_vout, XvMCSurface *surf );
 184
 185 void xvmc_vld_slice( picture_t *picture );
 186 void xvmc_vld_frame( picture_t *picture );
 187
 188 void xxmc_do_update_frame( picture_t *picture, uint32_t width, uint32_t height,
 189         double ratio, int format, int flags);
 190
 191 int checkXvMCCap( vout_thread_t *p_vout);
 192
 193 XvMCSubpicture *xxmc_xvmc_alloc_subpicture( vout_thread_t *p_vout,
 194         XvMCContext *context, unsigned short width, unsigned short height,
 195         int xvimage_id );
 196
 197 void xxmc_xvmc_free_subpicture( vout_thread_t *p_vout, XvMCSubpicture *sub );
 198 void blend_xx44( uint8_t *dst_img, subpicture_t *sub_img, int dst_width,
 199         int dst_height, int dst_pitch, xx44_palette_t *palette,int ia44);
 200
 201 #endif /* XvMC defines */
 202
 203 /*****************************************************************************
 204  * vout_sys_t: video output method descriptor
 205  *****************************************************************************
 206  * This structure is part of the video output thread descriptor.
 207  * It describes the X11 and XVideo specific properties of an output thread.
 208  *****************************************************************************/
 209 struct vout_sys_t
 210 {
 211     /* Internal settings and properties */
 212     Display *           p_display;                        /* display pointer */
 213
 214     Visual *            p_visual;                          /* visual pointer */
 215     int                 i_screen;                           /* screen number */
 216
 217     /* Our current window */
 218     x11_window_t *      p_win;
 219
 220     /* Our two windows */
 221     x11_window_t        original_window;
 222     x11_window_t        fullscreen_window;
 223
 224     /* key and mouse event handling */
 225     int                 i_vout_event;  /* 1(Fullsupport), 2(FullscreenOnly), 3(none) */
 226
 227     /* X11 generic properties */
 228     bool          b_altfullscreen;          /* which fullscreen method */
 229 #ifdef HAVE_SYS_SHM_H
 230     int                 i_shm_opcode;      /* shared memory extension opcode */
 231 #endif
 232
 233 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 234     int                 i_xvport;
 235     bool          b_paint_colourkey;
 236     int                 i_colourkey;
 237 #else
 238     Colormap            colormap;               /* colormap used (8bpp only) */
 239
 240     unsigned int        i_screen_depth;
 241     unsigned int        i_bytes_per_pixel;
 242     unsigned int        i_bytes_per_line;
 243 #endif
 244
 245     /* Screen saver properties */
 246     int                 i_ss_timeout;                             /* timeout */
 247     int                 i_ss_interval;           /* interval between changes */
 248     int                 i_ss_blanking;                      /* blanking mode */
 249     int                 i_ss_exposure;                      /* exposure mode */
 250 #ifdef DPMSINFO_IN_DPMS_H
 251     BOOL                b_ss_dpms;                              /* DPMS mode */
 252 #endif
 253
 254     /* Mouse pointer properties */
 255     bool          b_mouse_pointer_visible;
 256     mtime_t             i_time_mouse_last_moved; /* used to auto-hide pointer*/
 257     mtime_t             i_mouse_hide_timeout;      /* after time hide cursor */
 258     Cursor              blank_cursor;                   /* the hidden cursor */
 259     mtime_t             i_time_button_last_pressed;   /* to track dbl-clicks */
 260     Pixmap              cursor_pixmap;
 261
 262     /* Window manager properties */
 263     Atom                net_wm_state;
 264     Atom                net_wm_state_fullscreen;
 265     bool          b_net_wm_state_fullscreen;
 266     Atom                net_wm_state_above;
 267     bool          b_net_wm_state_above;
 268     Atom                net_wm_state_stays_on_top;
 269     bool          b_net_wm_state_stays_on_top;
 270     Atom                net_wm_state_below;
 271     bool          b_net_wm_state_below;
 272
 273 #ifdef MODULE_NAME_IS_glx
 274     /* GLX properties */
 275     int                 b_glx13;
 276     GLXContext          gwctx;
 277     GLXWindow           gwnd;
 278 #endif
 279
 280 #ifdef MODULE_NAME_IS_xvmc
 281     /* XvMC related stuff here */
 282     xvmc_macroblocks_t  macroblocks;
 283     xvmc_capabilities_t *xvmc_cap;
 284     unsigned int        xvmc_num_cap;
 285     unsigned int        xvmc_max_subpic_x;
 286     unsigned int        xvmc_max_subpic_y;
 287     int                 xvmc_eventbase;
 288     int                 xvmc_errbase;
 289     int                 hwSubpictures;
 290     XvMCSubpicture      *old_subpic;
 291     XvMCSubpicture      *new_subpic;
 292     xx44_palette_t      palette;
 293     int                 first_overlay;
 294     float               cpu_saver;
 295     int                 cpu_save_enabled;
 296     int                 reverse_nvidia_palette;
 297     int                 context_flags;
 298
 299     /*
 300      * These variables are protected by the context lock:
 301      */
 302     unsigned            xvmc_cur_cap;
 303     int                 xvmc_backend_subpic;
 304     XvMCContext         context;
 305     int                 contextActive;
 306     xvmc_surface_handler_t xvmc_surf_handler;
 307     unsigned            xvmc_mpeg;
 308     unsigned            xvmc_accel;
 309     unsigned            last_accel_request;
 310     unsigned            xvmc_width;
 311     unsigned            xvmc_height;
 312     int                 have_xvmc_autopaint;
 313     int                 xvmc_xoverlay_type;
 314     int                 unsigned_intra;
 315
 316     /*
 317      * Only creation and destruction of the below.
 318      */
 319     char                *xvmc_palette;
 320     XvImage             *subImage;
 321     XShmSegmentInfo     subShmInfo;
 322
 323     /*
 324      * The mutex below is needed since XlockDisplay wasn't really enough
 325      * to protect the XvMC Calls.
 326      */
 327     context_lock_t      xvmc_lock;
 328     subpicture_t *      p_last_subtitle_save;
 329     int                 xvmc_deinterlace_method;
 330     int                 xvmc_crop_style;
 331     mtime_t             last_date;
 332
 333     //alphablend_t       alphablend_extra_data;
 334 #endif
 335
 336 #ifdef HAVE_XSP
 337     int                 i_hw_scale;
 338 #endif
 339
 340 #ifdef HAVE_OSSO
 341     osso_context_t      *p_octx;
 342     int                 i_backlight_on_counter;
 343 #endif
 344 };
 345
 346 /*****************************************************************************
 347  * picture_sys_t: direct buffer method descriptor
 348  *****************************************************************************
 349  * This structure is part of the picture descriptor, it describes the
 350  * XVideo specific properties of a direct buffer.
 351  *****************************************************************************/
 352 struct picture_sys_t
 353 {
 354     IMAGE_TYPE *        p_image;
 355
 356 #ifdef HAVE_SYS_SHM_H
 357     XShmSegmentInfo     shminfo;       /* shared memory zone information */
 358 #endif
 359
 360 #ifdef MODULE_NAME_IS_xvmc
 361     XvMCSurface         *xvmc_surf;
 362     vlc_xxmc_t           xxmc_data;
 363     int                  last_sw_format;
 364     vout_thread_t        *p_vout;
 365     int                  nb_display;
 366 #endif
 367 };
 368
 369 /*****************************************************************************
 370  * mwmhints_t: window manager hints
 371  *****************************************************************************
 372  * Fullscreen needs to be able to hide the wm decorations so we provide
 373  * this structure to make it easier.
 374  *****************************************************************************/
 375 #define MWM_HINTS_DECORATIONS   (1L << 1)
 376 #define PROP_MWM_HINTS_ELEMENTS 5
 377
 378 typedef struct mwmhints_t
 379 {
 380     unsigned long flags;
 381     unsigned long functions;
 382     unsigned long decorations;
 383     signed   long input_mode;
 384     unsigned long status;
 385 } mwmhints_t;
 386
 387 /*****************************************************************************
 388  * Chroma defines
 389  *****************************************************************************/
 390 #ifdef MODULE_NAME_IS_xvideo
 391 #   define MAX_DIRECTBUFFERS 10
 392 #elif defined(MODULE_NAME_IS_xvmc)
 393 #   define MAX_DIRECTBUFFERS 12
 394 #else
 395 #   define MAX_DIRECTBUFFERS 2
 396 #endif
 397
 398 #ifndef MODULE_NAME_IS_glx
 399 static IMAGE_TYPE *CreateImage    ( vout_thread_t *,
 400                                     Display *, EXTRA_ARGS, int, int );
 401 #ifdef HAVE_SYS_SHM_H
 402 IMAGE_TYPE *CreateShmImage ( vout_thread_t *,
 403                                     Display *, EXTRA_ARGS_SHM, int, int );
 404 #endif
 405 #endif
 406