*
* This library 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 2.0
+ * as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU Lesser General Public
+ * You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
****************************************************************************/
#include <xcb/shm.h>
#include <vlc_common.h>
-#include <vlc_vout.h>
-#include <vlc_window.h>
+#include <vlc_vout_display.h>
#include "xcb_vlc.h"
/**
* Connect to the X server.
*/
-xcb_connection_t *Connect (vlc_object_t *obj)
+static xcb_connection_t *Connect (vlc_object_t *obj, const char *display)
{
- char *display = var_CreateGetNonEmptyString (obj, "x11-display");
xcb_connection_t *conn = xcb_connect (display, NULL);
-
- free (display);
if (xcb_connection_has_error (conn) /*== NULL*/)
{
- msg_Err (obj, "cannot connect to X server");
+ msg_Err (obj, "cannot connect to X server (%s)",
+ display ? display : "default");
xcb_disconnect (conn);
return NULL;
}
+
+ const xcb_setup_t *setup = xcb_get_setup (conn);
+ msg_Dbg (obj, "connected to X%"PRIu16".%"PRIu16" server",
+ setup->protocol_major_version, setup->protocol_minor_version);
+ char *vendor = strndup (xcb_setup_vendor (setup), setup->vendor_len);
+ if (vendor)
+ {
+ msg_Dbg (obj, " vendor : %s", vendor);
+ free (vendor);
+ }
+ msg_Dbg (obj, " version: %"PRIu32, setup->release_number);
return conn;
}
-
/**
- * Create a VLC video X window object, find the corresponding X server screen,
- * and probe the MIT-SHM extension.
+ * Find screen matching a given root window.
*/
-vout_window_t *GetWindow (vout_thread_t *obj,
- xcb_connection_t *conn,
- const xcb_screen_t **restrict pscreen,
- bool *restrict pshm)
+static const xcb_screen_t *FindScreen (vlc_object_t *obj,
+ xcb_connection_t *conn,
+ xcb_window_t root)
{
- /* Get window */
- xcb_window_t root;
- vout_window_t *wnd = vout_RequestXWindow (obj, &(int){ 0 }, &(int){ 0 },
- &(unsigned){ 0 }, &(unsigned){ 0 });
- if (wnd == NULL)
- {
- msg_Err (obj, "parent window not available");
- return NULL;
- }
- else
- {
- xcb_get_geometry_reply_t *geo;
- xcb_get_geometry_cookie_t ck;
-
- ck = xcb_get_geometry (conn, wnd->handle.xid);
- geo = xcb_get_geometry_reply (conn, ck, NULL);
- if (geo == NULL)
- {
- msg_Err (obj, "parent window not valid");
- goto error;
- }
- root = geo->root;
- free (geo);
-
- /* Subscribe to parent window resize events */
- const uint32_t value = XCB_EVENT_MASK_STRUCTURE_NOTIFY;
- xcb_change_window_attributes (conn, wnd->handle.xid,
- XCB_CW_EVENT_MASK, &value);
- }
-
/* Find the selected screen */
const xcb_setup_t *setup = xcb_get_setup (conn);
- xcb_screen_t *screen = NULL;
+ const xcb_screen_t *screen = NULL;
for (xcb_screen_iterator_t i = xcb_setup_roots_iterator (setup);
i.rem > 0 && screen == NULL; xcb_screen_next (&i))
{
if (screen == NULL)
{
msg_Err (obj, "parent window screen not found");
- goto error;
+ return NULL;
}
msg_Dbg (obj, "using screen 0x%"PRIx32, root);
+ return screen;
+}
+
+static const xcb_screen_t *FindWindow (vlc_object_t *obj,
+ xcb_connection_t *conn,
+ xcb_window_t xid,
+ uint8_t *restrict pdepth)
+{
+ xcb_get_geometry_reply_t *geo =
+ xcb_get_geometry_reply (conn, xcb_get_geometry (conn, xid), NULL);
+ if (geo == NULL)
+ {
+ msg_Err (obj, "parent window not valid");
+ return NULL;
+ }
+
+ const xcb_screen_t *screen = FindScreen (obj, conn, geo->root);
+ *pdepth = geo->depth;
+ free (geo);
+ return screen;
+}
+
+
+/**
+ * Create a VLC video X window object, connect to the corresponding X server,
+ * find the corresponding X server screen.
+ */
+vout_window_t *GetWindow (vout_display_t *vd,
+ xcb_connection_t **restrict pconn,
+ const xcb_screen_t **restrict pscreen,
+ uint8_t *restrict pdepth)
+{
+ /* Get window */
+ vout_window_cfg_t wnd_cfg;
- /* Check MIT-SHM shared memory support */
- bool shm = var_CreateGetBool (obj, "x11-shm") > 0;
+ memset( &wnd_cfg, 0, sizeof(wnd_cfg) );
+ wnd_cfg.type = VOUT_WINDOW_TYPE_XID;
+ wnd_cfg.x = var_InheritInteger (vd, "video-x");
+ wnd_cfg.y = var_InheritInteger (vd, "video-y");
+ wnd_cfg.width = vd->cfg->display.width;
+ wnd_cfg.height = vd->cfg->display.height;
+
+ vout_window_t *wnd = vout_display_NewWindow (vd, &wnd_cfg);
+ if (wnd == NULL)
+ {
+ msg_Err (vd, "parent window not available");
+ return NULL;
+ }
+
+ xcb_connection_t *conn = Connect (VLC_OBJECT(vd), wnd->display.x11);
+ if (conn == NULL)
+ goto error;
+ *pconn = conn;
+
+ *pscreen = FindWindow (VLC_OBJECT(vd), conn, wnd->handle.xid, pdepth);
+ if (*pscreen == NULL)
+ {
+ xcb_disconnect (conn);
+ goto error;
+ }
+
+ RegisterMouseEvents (VLC_OBJECT(vd), conn, wnd->handle.xid);
+ return wnd;
+
+error:
+ vout_display_DeleteWindow (vd, wnd);
+ return NULL;
+}
+
+/** Check MIT-SHM shared memory support */
+void CheckSHM (vlc_object_t *obj, xcb_connection_t *conn, bool *restrict pshm)
+{
+ bool shm = var_InheritBool (obj, "x11-shm") > 0;
if (shm)
{
xcb_shm_query_version_cookie_t ck;
}
free (r);
}
-
- *pscreen = screen;
*pshm = shm;
- return wnd;
-
-error:
- vout_ReleaseWindow (wnd);
- return NULL;
-}
-
-/**
- * Gets the size of an X window.
- */
-int GetWindowSize (struct vout_window_t *wnd, xcb_connection_t *conn,
- unsigned *restrict width, unsigned *restrict height)
-{
- xcb_get_geometry_cookie_t ck = xcb_get_geometry (conn, wnd->handle.xid);
- xcb_get_geometry_reply_t *geo = xcb_get_geometry_reply (conn, ck, NULL);
-
- if (!geo)
- return -1;
-
- *width = geo->width;
- *height = geo->height;
- free (geo);
- return 0;
}
/**
* Initialize a picture buffer as shared memory, according to the video output
- * format. If a XCB connection pointer is supplied, the segment is attached to
+ * format. If a attach is true, the segment is attached to
* the X server (MIT-SHM extension).
*/
-int PictureAlloc (vout_thread_t *vout, picture_t *pic, size_t size,
- xcb_connection_t *conn)
+int PictureResourceAlloc (vout_display_t *vd, picture_resource_t *res, size_t size,
+ xcb_connection_t *conn, bool attach)
{
- assert (pic->i_status == FREE_PICTURE);
+ res->p_sys = malloc (sizeof(*res->p_sys));
+ if (!res->p_sys)
+ return VLC_EGENERIC;
/* Allocate shared memory segment */
int id = shmget (IPC_PRIVATE, size, IPC_CREAT | 0700);
if (id == -1)
{
- msg_Err (vout, "shared memory allocation error: %m");
+ msg_Err (vd, "shared memory allocation error: %m");
+ free (res->p_sys);
return VLC_EGENERIC;
}
void *shm = shmat (id, NULL, 0 /* read/write */);
if (-1 == (intptr_t)shm)
{
- msg_Err (vout, "shared memory attachment error: %m");
+ msg_Err (vd, "shared memory attachment error: %m");
shmctl (id, IPC_RMID, 0);
+ free (res->p_sys);
return VLC_EGENERIC;
}
xcb_shm_seg_t segment;
- if (conn != NULL)
+ if (attach)
{
/* Attach the segment to X */
xcb_void_cookie_t ck;
segment = xcb_generate_id (conn);
ck = xcb_shm_attach_checked (conn, segment, id, 1);
- if (CheckError (vout, "shared memory server-side error", ck))
+ if (CheckError (vd, conn, "shared memory server-side error", ck))
{
- msg_Info (vout, "using buggy X11 server - SSH proxying?");
+ msg_Info (vd, "using buggy X11 server - SSH proxying?");
segment = 0;
}
}
segment = 0;
shmctl (id, IPC_RMID, 0);
- pic->p_sys = (void *)(uintptr_t)segment;
- pic->p->p_pixels = shm;
- pic->i_status = DESTROYED_PICTURE;
- pic->i_type = DIRECT_PICTURE;
+ res->p_sys->segment = segment;
+ res->p->p_pixels = shm;
return VLC_SUCCESS;
}
/**
* Release picture private data: detach the shared memory segment.
*/
-void PictureFree (picture_t *pic, xcb_connection_t *conn)
+void PictureResourceFree (picture_resource_t *res, xcb_connection_t *conn)
{
- xcb_shm_seg_t segment = (uintptr_t)pic->p_sys;
+ xcb_shm_seg_t segment = res->p_sys->segment;
- if (segment != 0)
- {
- assert (conn != NULL);
+ if (conn != NULL && segment != 0)
xcb_shm_detach (conn, segment);
- }
- shmdt (pic->p->p_pixels);
+ shmdt (res->p->p_pixels);
}
+
projects / vlc / blobdiff