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 /*****************************************************************************
  59  * x11_window_t: X11 window descriptor
  60  *****************************************************************************
  61  * This structure contains all the data necessary to describe an X11 window.
  62  *****************************************************************************/
  63 typedef struct x11_window_t
  64 {
  65     Window              owner_window;               /* owner window (if any) */
  66     Window              base_window;                          /* base window */
  67     Window              video_window;     /* sub-window for displaying video */
  68     GC                  gc;              /* graphic context instance handler */
  69
  70     unsigned int        i_width;                             /* window width */
  71     unsigned int        i_height;                           /* window height */
  72     int                 i_x;                          /* window x coordinate */
  73     int                 i_y;                          /* window y coordinate */
  74
  75     Atom                wm_protocols;
  76     Atom                wm_delete_window;
  77
  78 #ifdef HAVE_XINERAMA
  79     int                 i_screen;
  80 #endif
  81
  82 } x11_window_t;
  83
  84 /*****************************************************************************
  85  * vout_sys_t: video output method descriptor
  86  *****************************************************************************
  87  * This structure is part of the video output thread descriptor.
  88  * It describes the X11 and XVideo specific properties of an output thread.
  89  *****************************************************************************/
  90 struct vout_sys_t
  91 {
  92     /* Internal settings and properties */
  93     Display *           p_display;                        /* display pointer */
  94
  95     Visual *            p_visual;                          /* visual pointer */
  96     int                 i_screen;                           /* screen number */
  97
  98     vlc_mutex_t         lock;
  99
 100     /* Our current window */
 101     x11_window_t *      p_win;
 102
 103     /* Our two windows */
 104     x11_window_t        original_window;
 105     x11_window_t        fullscreen_window;
 106
 107     /* X11 generic properties */
 108     vlc_bool_t          b_altfullscreen;          /* which fullscreen method */
 109 #ifdef HAVE_SYS_SHM_H
 110     vlc_bool_t          b_shm;               /* shared memory extension flag */
 111 #endif
 112
 113 #if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
 114     int                 i_xvport;
 115 #else
 116     Colormap            colormap;               /* colormap used (8bpp only) */
 117
 118     unsigned int        i_screen_depth;
 119     unsigned int        i_bytes_per_pixel;
 120     unsigned int        i_bytes_per_line;
 121 #endif
 122
 123     /* Screen saver properties */
 124     int                 i_ss_timeout;                             /* timeout */
 125     int                 i_ss_interval;           /* interval between changes */
 126     int                 i_ss_blanking;                      /* blanking mode */
 127     int                 i_ss_exposure;                      /* exposure mode */
 128 #ifdef DPMSINFO_IN_DPMS_H
 129     BOOL                b_ss_dpms;                              /* DPMS mode */
 130 #endif
 131
 132     /* Mouse pointer properties */
 133     vlc_bool_t          b_mouse_pointer_visible;
 134     mtime_t             i_time_mouse_last_moved; /* used to auto-hide pointer*/
 135     Cursor              blank_cursor;                   /* the hidden cursor */
 136     mtime_t             i_time_button_last_pressed;   /* to track dbl-clicks */
 137     Pixmap              cursor_pixmap;
 138
 139     /* Window manager properties */
 140     Atom                net_wm_state;
 141     Atom                net_wm_state_fullscreen;
 142     vlc_bool_t          b_net_wm_state_fullscreen;
 143     Atom                net_wm_state_above;
 144     vlc_bool_t          b_net_wm_state_above;
 145     Atom                net_wm_state_stays_on_top;
 146     vlc_bool_t          b_net_wm_state_stays_on_top;
 147     Atom                net_wm_state_below;
 148     vlc_bool_t          b_net_wm_state_below;
 149
 150 #ifdef MODULE_NAME_IS_glx
 151     /* GLX properties */
 152     int                 b_glx13;
 153     GLXContext          gwctx;
 154     GLXWindow           gwnd;
 155 #endif
 156
 157 #ifdef MODULE_NAME_IS_xvmc
 158     /* XvMC related stuff here */
 159     xvmc_macroblocks_t  macroblocks;
 160     xvmc_capabilities_t *xvmc_cap;
 161     unsigned int        xvmc_num_cap;
 162     unsigned int        xvmc_max_subpic_x;
 163     unsigned int        xvmc_max_subpic_y;
 164     int                 xvmc_eventbase;
 165     int                 xvmc_errbase;
 166     int                 hwSubpictures;
 167     XvMCSubpicture      *old_subpic;
 168     XvMCSubpicture      *new_subpic;
 169     xx44_palette_t      palette;
 170     int                 first_overlay;
 171     float               cpu_saver;
 172     int                 cpu_save_enabled;
 173     int                 reverse_nvidia_palette;
 174     int                 context_flags;
 175
 176     /*
 177      * These variables are protected by the context lock:
 178      */
 179     unsigned            xvmc_cur_cap;
 180     int                 xvmc_backend_subpic;
 181     XvMCContext         context;
 182     int                 contextActive;
 183     xvmc_surface_handler_t xvmc_surf_handler;
 184     unsigned            xvmc_mpeg;
 185     unsigned            xvmc_accel;
 186     unsigned            last_accel_request;
 187     unsigned            xvmc_width;
 188     unsigned            xvmc_height;
 189     int                 have_xvmc_autopaint;
 190     int                 xvmc_xoverlay_type;
 191     int                 unsigned_intra;
 192
 193     /*
 194      * Only creation and destruction of the below.
 195      */
 196     char                *xvmc_palette;
 197     XvImage             *subImage;
 198     XShmSegmentInfo     subShmInfo;
 199
 200     /*
 201      * The mutex below is needed since XlockDisplay wasn't really enough
 202      * to protect the XvMC Calls.
 203      */
 204     context_lock_t      xvmc_lock;
 205     subpicture_t *      p_last_subtitle_save;
 206     int                 xvmc_deinterlace_method;
 207     int                 xvmc_crop_style;
 208     mtime_t             last_date;
 209
 210     //alphablend_t       alphablend_extra_data;
 211 #endif
 212
 213 #ifdef HAVE_XSP
 214     int                 i_hw_scale;
 215 #endif
 216
 217 #ifdef HAVE_OSSO
 218     osso_context_t      *p_octx;
 219     int                 i_backlight_on_counter;
 220 #endif
 221
 222
 223 };
 224
 225 /*****************************************************************************
 226  * picture_sys_t: direct buffer method descriptor
 227  *****************************************************************************
 228  * This structure is part of the picture descriptor, it describes the
 229  * XVideo specific properties of a direct buffer.
 230  *****************************************************************************/
 231 struct picture_sys_t
 232 {
 233     IMAGE_TYPE *        p_image;
 234
 235 #ifdef HAVE_SYS_SHM_H
 236     XShmSegmentInfo     shminfo;       /* shared memory zone information */
 237 #endif
 238
 239 #ifdef MODULE_NAME_IS_xvmc
 240     XvMCSurface         *xvmc_surf;
 241     vlc_xxmc_t           xxmc_data;
 242     int                  last_sw_format;
 243     vout_thread_t        *p_vout;
 244     int                  nb_display;
 245 #endif
 246 };
 247
 248 /*****************************************************************************
 249  * mwmhints_t: window manager hints
 250  *****************************************************************************
 251  * Fullscreen needs to be able to hide the wm decorations so we provide
 252  * this structure to make it easier.
 253  *****************************************************************************/
 254 #define MWM_HINTS_DECORATIONS   (1L << 1)
 255 #define PROP_MWM_HINTS_ELEMENTS 5
 256
 257 typedef struct mwmhints_t
 258 {
 259     unsigned long flags;
 260     unsigned long functions;
 261     unsigned long decorations;
 262     signed   long input_mode;
 263     unsigned long status;
 264 } mwmhints_t;
 265
 266 /*****************************************************************************
 267  * Chroma defines
 268  *****************************************************************************/
 269 #ifdef MODULE_NAME_IS_xvideo
 270 #   define MAX_DIRECTBUFFERS 10
 271 #elif defined(MODULE_NAME_IS_xvmc)
 272 #   define MAX_DIRECTBUFFERS 12
 273 #else
 274 #   define MAX_DIRECTBUFFERS 2
 275 #endif
 276
 277 /*****************************************************************************
 278  * Xxmc defines
 279  *****************************************************************************/
 280
 281 #ifdef MODULE_NAME_IS_xvmc
 282
 283 typedef struct
 284 {         /* CLUT == Color LookUp Table */
 285     uint8_t cb;
 286     uint8_t cr;
 287     uint8_t y;
 288     uint8_t foo;
 289 } clut_t;
 290
 291 #define XX44_PALETTE_SIZE 32
 292 #define OVL_PALETTE_SIZE 256
 293 #define XVMC_MAX_SURFACES 16
 294 #define XVMC_MAX_SUBPICTURES 4
 295 #define FOURCC_IA44 0x34344149
 296 #define FOURCC_AI44 0x34344941
 297
 298 typedef struct
 299 {
 300     unsigned size;
 301     unsigned max_used;
 302     uint32_t cluts[XX44_PALETTE_SIZE];
 303     /* cache palette entries for both colors and clip_colors */
 304     int lookup_cache[OVL_PALETTE_SIZE*2];
 305 } xx44_palette_t;
 306
 307 /*
 308  * Functions to handle the vlc-specific palette.
 309  */
 310
 311 void clear_xx44_palette( xx44_palette_t *p );
 312
 313 /*
 314  * Convert the xine-specific palette to something useful.
 315  */
 316
 317 void xx44_to_xvmc_palette( const xx44_palette_t *p,unsigned char *xvmc_palette,
 318              unsigned first_xx44_entry, unsigned num_xx44_entries,
 319              unsigned num_xvmc_components, char *xvmc_components );
 320
 321 typedef struct
 322 {
 323     vlc_macroblocks_t   vlc_mc;
 324     XvMCBlockArray      blocks;            /* pointer to memory for dct block array  */
 325     int                 num_blocks;
 326     XvMCMacroBlock      *macroblockptr;     /* pointer to current macro block         */
 327     XvMCMacroBlock      *macroblockbaseptr; /* pointer to base MacroBlock in MB array */
 328     XvMCMacroBlockArray macro_blocks;      /* pointer to memory for macroblock array */
 329     int                 slices;
 330 } xvmc_macroblocks_t;
 331
 332 typedef struct
 333 {
 334     unsigned int        mpeg_flags;
 335     unsigned int        accel_flags;
 336     unsigned int        max_width;
 337     unsigned int        max_height;
 338     unsigned int        sub_max_width;
 339     unsigned int        sub_max_height;
 340     int                 type_id;
 341     XvImageFormatValues subPicType;
 342     int                 flags;
 343 } xvmc_capabilities_t;
 344
 345 typedef struct xvmc_surface_handler_s
 346 {
 347     XvMCSurface         surfaces[XVMC_MAX_SURFACES];
 348     int                 surfInUse[XVMC_MAX_SURFACES];
 349     int                 surfValid[XVMC_MAX_SURFACES];
 350     XvMCSubpicture      subpictures[XVMC_MAX_SUBPICTURES];
 351     int                 subInUse[XVMC_MAX_SUBPICTURES];
 352     int                 subValid[XVMC_MAX_SUBPICTURES];
 353     pthread_mutex_t     mutex;
 354 } xvmc_surface_handler_t;
 355
 356 typedef struct context_lock_s
 357 {
 358     pthread_mutex_t     mutex;
 359     pthread_cond_t      cond;
 360     int                 num_readers;
 361 } context_lock_t;
 362
 363 #define XVMCLOCKDISPLAY(display) XLockDisplay(display);
 364 #define XVMCUNLOCKDISPLAY(display) XUnlockDisplay(display);
 365
 366 void xvmc_context_reader_unlock( context_lock_t *c );
 367 void xvmc_context_reader_lock( context_lock_t *c );
 368 void xvmc_context_writer_lock( context_lock_t *c );
 369 void xvmc_context_writer_unlock( context_lock_t *c );
 370 void free_context_lock( context_lock_t *c );
 371 void xxmc_dispose_context( vout_thread_t *p_vout );
 372
 373 int xxmc_xvmc_surface_valid( vout_thread_t *p_vout, XvMCSurface *surf );
 374 void xxmc_xvmc_free_surface( vout_thread_t *p_vout, XvMCSurface *surf );
 375
 376 void xvmc_vld_slice( picture_t *picture );
 377 void xvmc_vld_frame( picture_t *picture );
 378
 379 void xxmc_do_update_frame( picture_t *picture, uint32_t width, uint32_t height,
 380         double ratio, int format, int flags);
 381
 382 int checkXvMCCap( vout_thread_t *p_vout);
 383
 384 XvMCSubpicture *xxmc_xvmc_alloc_subpicture( vout_thread_t *p_vout,
 385         XvMCContext *context, unsigned short width, unsigned short height,
 386         int xvimage_id );
 387
 388 void xxmc_xvmc_free_subpicture( vout_thread_t *p_vout, XvMCSubpicture *sub );
 389 void blend_xx44( uint8_t *dst_img, subpicture_t *sub_img, int dst_width,
 390         int dst_height, int dst_pitch, xx44_palette_t *palette,int ia44);
 391
 392 #endif