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