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
  55 /*****************************************************************************
  56  * x11_window_t: X11 window descriptor
  57  *****************************************************************************
  58  * This structure contains all the data necessary to describe an X11 window.
  59  *****************************************************************************/
  60 typedef struct x11_window_t
  61 {
  62     Window              owner_window;               /* owner window (if any) */
  63     Window              base_window;                          /* base window */
  64     Window              video_window;     /* sub-window for displaying video */
  65     GC                  gc;              /* graphic context instance handler */
  66
  67     unsigned int        i_width;                             /* window width */
  68     unsigned int        i_height;                           /* window height */
  69     int                 i_x;                          /* window x coordinate */
  70     int                 i_y;                          /* window y coordinate */
  71
  72     Atom                wm_protocols;
  73     Atom                wm_delete_window;
  74
  75 #ifdef HAVE_XINERAMA
  76     int                 i_screen;
  77 #endif
  78
  79 } x11_window_t;
  80
  81 /*****************************************************************************
  82  * vout_sys_t: video output method descriptor
  83  *****************************************************************************
  84  * This structure is part of the video output thread descriptor.
  85  * It describes the X11 and XVideo specific properties of an output thread.
  86  *****************************************************************************/
  87 struct vout_sys_t
  88 {
  89     /* Internal settings and properties */
  90     Display *           p_display;                        /* display pointer */
  91
  92     Visual *            p_visual;                          /* visual pointer */
  93     int                 i_screen;                           /* screen number */
  94
  95     vlc_mutex_t         lock;
  96
  97     /* Our current window */
  98     x11_window_t *      p_win;
  99
 100     /* Our two windows */
 101     x11_window_t        original_window;
 102     x11_window_t        fullscreen_window;
 103
 104     /* X11 generic properties */
 105     vlc_bool_t          b_altfullscreen;          /* which fullscreen method */
 106 #ifdef HAVE_SYS_SHM_H
 107     vlc_bool_t          b_shm;               /* shared memory extension flag */
 108 #endif
 109
 110 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 111     int                 i_xvport;
 112 #else
 113     Colormap            colormap;               /* colormap used (8bpp only) */
 114
 115     unsigned int        i_screen_depth;
 116     unsigned int        i_bytes_per_pixel;
 117     unsigned int        i_bytes_per_line;
 118 #endif
 119
 120     /* Screen saver properties */
 121     int                 i_ss_timeout;                             /* timeout */
 122     int                 i_ss_interval;           /* interval between changes */
 123     int                 i_ss_blanking;                      /* blanking mode */
 124     int                 i_ss_exposure;                      /* exposure mode */
 125 #ifdef DPMSINFO_IN_DPMS_H
 126     BOOL                b_ss_dpms;                              /* DPMS mode */
 127 #endif
 128
 129     /* Mouse pointer properties */
 130     vlc_bool_t          b_mouse_pointer_visible;
 131     mtime_t             i_time_mouse_last_moved; /* used to auto-hide pointer*/
 132     Cursor              blank_cursor;                   /* the hidden cursor */
 133     mtime_t             i_time_button_last_pressed;   /* to track dbl-clicks */
 134     Pixmap              cursor_pixmap;
 135
 136     /* Window manager properties */
 137     Atom                net_wm_state;
 138     Atom                net_wm_state_fullscreen;
 139     vlc_bool_t          b_net_wm_state_fullscreen;
 140     Atom                net_wm_state_above;
 141     vlc_bool_t          b_net_wm_state_above;
 142     Atom                net_wm_state_stays_on_top;
 143     vlc_bool_t          b_net_wm_state_stays_on_top;
 144     Atom                net_wm_state_below;
 145     vlc_bool_t          b_net_wm_state_below;
 146
 147 #ifdef MODULE_NAME_IS_glx
 148     /* GLX properties */
 149     int                 b_glx13;
 150     GLXContext          gwctx;
 151     GLXWindow           gwnd;
 152 #endif
 153
 154 #ifdef MODULE_NAME_IS_xvmc
 155     /* XvMC related stuff here */
 156     xvmc_macroblocks_t  macroblocks;
 157     xvmc_capabilities_t *xvmc_cap;
 158     unsigned int        xvmc_num_cap;
 159     unsigned int        xvmc_max_subpic_x;
 160     unsigned int        xvmc_max_subpic_y;
 161     int                 xvmc_eventbase;
 162     int                 xvmc_errbase;
 163     int                 hwSubpictures;
 164     XvMCSubpicture      *old_subpic;
 165     XvMCSubpicture      *new_subpic;
 166     xx44_palette_t      palette;
 167     int                 first_overlay;
 168     float               cpu_saver;
 169     int                 cpu_save_enabled;
 170     int                 reverse_nvidia_palette;
 171     int                 context_flags;
 172
 173     /*
 174      * These variables are protected by the context lock:
 175      */
 176     unsigned            xvmc_cur_cap;
 177     int                 xvmc_backend_subpic;
 178     XvMCContext         context;
 179     int                 contextActive;
 180     xvmc_surface_handler_t xvmc_surf_handler;
 181     unsigned            xvmc_mpeg;
 182     unsigned            xvmc_accel;
 183     unsigned            last_accel_request;
 184     unsigned            xvmc_width;
 185     unsigned            xvmc_height;
 186     int                 have_xvmc_autopaint;
 187     int                 xvmc_xoverlay_type;
 188     int                 unsigned_intra;
 189
 190     /*
 191      * Only creation and destruction of the below.
 192      */
 193     char                *xvmc_palette;
 194     XvImage             *subImage;
 195     XShmSegmentInfo     subShmInfo;
 196
 197     /*
 198      * The mutex below is needed since XlockDisplay wasn't really enough
 199      * to protect the XvMC Calls.
 200      */
 201     context_lock_t      xvmc_lock;
 202     subpicture_t *      p_last_subtitle_save;
 203     int                 xvmc_deinterlace_method;
 204     int                 xvmc_crop_style;
 205     mtime_t             last_date;
 206
 207     //alphablend_t       alphablend_extra_data;
 208 #endif
 209 };
 210
 211 /*****************************************************************************
 212  * picture_sys_t: direct buffer method descriptor
 213  *****************************************************************************
 214  * This structure is part of the picture descriptor, it describes the
 215  * XVideo specific properties of a direct buffer.
 216  *****************************************************************************/
 217 struct picture_sys_t
 218 {
 219     IMAGE_TYPE *        p_image;
 220
 221 #ifdef HAVE_SYS_SHM_H
 222     XShmSegmentInfo     shminfo;       /* shared memory zone information */
 223 #endif
 224
 225 #ifdef MODULE_NAME_IS_xvmc
 226     XvMCSurface         *xvmc_surf;
 227     vlc_xxmc_t           xxmc_data;
 228     int                  last_sw_format;
 229     vout_thread_t        *p_vout;
 230     int                  nb_display;
 231 #endif
 232 };
 233
 234 /*****************************************************************************
 235  * mwmhints_t: window manager hints
 236  *****************************************************************************
 237  * Fullscreen needs to be able to hide the wm decorations so we provide
 238  * this structure to make it easier.
 239  *****************************************************************************/
 240 #define MWM_HINTS_DECORATIONS   (1L << 1)
 241 #define PROP_MWM_HINTS_ELEMENTS 5
 242
 243 typedef struct mwmhints_t
 244 {
 245     unsigned long flags;
 246     unsigned long functions;
 247     unsigned long decorations;
 248     signed   long input_mode;
 249     unsigned long status;
 250 } mwmhints_t;
 251
 252 /*****************************************************************************
 253  * Chroma defines
 254  *****************************************************************************/
 255 #ifdef MODULE_NAME_IS_xvideo
 256 #   define MAX_DIRECTBUFFERS 10
 257 #elif defined(MODULE_NAME_IS_xvmc)
 258 #   define MAX_DIRECTBUFFERS 12
 259 #else
 260 #   define MAX_DIRECTBUFFERS 2
 261 #endif
 262
 263 /*****************************************************************************
 264  * Xxmc defines
 265  *****************************************************************************/
 266
 267 #ifdef MODULE_NAME_IS_xvmc
 268
 269 typedef struct
 270 {         /* CLUT == Color LookUp Table */
 271     uint8_t cb;
 272     uint8_t cr;
 273     uint8_t y;
 274     uint8_t foo;
 275 } clut_t;
 276
 277 #define XX44_PALETTE_SIZE 32
 278 #define OVL_PALETTE_SIZE 256
 279 #define XVMC_MAX_SURFACES 16
 280 #define XVMC_MAX_SUBPICTURES 4
 281 #define FOURCC_IA44 0x34344149
 282 #define FOURCC_AI44 0x34344941
 283
 284 typedef struct
 285 {
 286     unsigned size;
 287     unsigned max_used;
 288     uint32_t cluts[XX44_PALETTE_SIZE];
 289     /* cache palette entries for both colors and clip_colors */
 290     int lookup_cache[OVL_PALETTE_SIZE*2];
 291 } xx44_palette_t;
 292
 293 /*
 294  * Functions to handle the vlc-specific palette.
 295  */
 296
 297 void clear_xx44_palette( xx44_palette_t *p );
 298
 299 /*
 300  * Convert the xine-specific palette to something useful.
 301  */
 302
 303 void xx44_to_xvmc_palette( const xx44_palette_t *p,unsigned char *xvmc_palette,
 304              unsigned first_xx44_entry, unsigned num_xx44_entries,
 305              unsigned num_xvmc_components, char *xvmc_components );
 306
 307 typedef struct
 308 {
 309     vlc_macroblocks_t   vlc_mc;
 310     XvMCBlockArray      blocks;            /* pointer to memory for dct block array  */
 311     int                 num_blocks;
 312     XvMCMacroBlock      *macroblockptr;     /* pointer to current macro block         */
 313     XvMCMacroBlock      *macroblockbaseptr; /* pointer to base MacroBlock in MB array */
 314     XvMCMacroBlockArray macro_blocks;      /* pointer to memory for macroblock array */
 315     int                 slices;
 316 } xvmc_macroblocks_t;
 317
 318 typedef struct
 319 {
 320     unsigned int        mpeg_flags;
 321     unsigned int        accel_flags;
 322     unsigned int        max_width;
 323     unsigned int        max_height;
 324     unsigned int        sub_max_width;
 325     unsigned int        sub_max_height;
 326     int                 type_id;
 327     XvImageFormatValues subPicType;
 328     int                 flags;
 329 } xvmc_capabilities_t;
 330
 331 typedef struct xvmc_surface_handler_s
 332 {
 333     XvMCSurface         surfaces[XVMC_MAX_SURFACES];
 334     int                 surfInUse[XVMC_MAX_SURFACES];
 335     int                 surfValid[XVMC_MAX_SURFACES];
 336     XvMCSubpicture      subpictures[XVMC_MAX_SUBPICTURES];
 337     int                 subInUse[XVMC_MAX_SUBPICTURES];
 338     int                 subValid[XVMC_MAX_SUBPICTURES];
 339     pthread_mutex_t     mutex;
 340 } xvmc_surface_handler_t;
 341
 342 typedef struct context_lock_s
 343 {
 344     pthread_mutex_t     mutex;
 345     pthread_cond_t      cond;
 346     int                 num_readers;
 347 } context_lock_t;
 348
 349 #define XVMCLOCKDISPLAY(display) XLockDisplay(display);
 350 #define XVMCUNLOCKDISPLAY(display) XUnlockDisplay(display);
 351
 352 void xvmc_context_reader_unlock( context_lock_t *c );
 353 void xvmc_context_reader_lock( context_lock_t *c );
 354 void xvmc_context_writer_lock( context_lock_t *c );
 355 void xvmc_context_writer_unlock( context_lock_t *c );
 356 void free_context_lock( context_lock_t *c );
 357 void xxmc_dispose_context( vout_thread_t *p_vout );
 358
 359 int xxmc_xvmc_surface_valid( vout_thread_t *p_vout, XvMCSurface *surf );
 360 void xxmc_xvmc_free_surface( vout_thread_t *p_vout, XvMCSurface *surf );
 361
 362 void xvmc_vld_slice( picture_t *picture );
 363 void xvmc_vld_frame( picture_t *picture );
 364
 365 void xxmc_do_update_frame( picture_t *picture, uint32_t width, uint32_t height,
 366         double ratio, int format, int flags);
 367
 368 int checkXvMCCap( vout_thread_t *p_vout);
 369
 370 XvMCSubpicture *xxmc_xvmc_alloc_subpicture( vout_thread_t *p_vout,
 371         XvMCContext *context, unsigned short width, unsigned short height,
 372         int xvimage_id );
 373
 374 void xxmc_xvmc_free_subpicture( vout_thread_t *p_vout, XvMCSubpicture *sub );
 375 void blend_xx44( uint8_t *dst_img, subpicture_t *sub_img, int dst_width,
 376         int dst_height, int dst_pitch, xx44_palette_t *palette,int ia44);
 377
 378 #endif