*
* 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_vout_window.h>
+#include <vlc_vout_display.h>
#include "xcb_vlc.h"
+/**
+ * Check for an error
+ */
+int CheckError (vout_display_t *vd, xcb_connection_t *conn,
+ const char *str, xcb_void_cookie_t ck)
+{
+ xcb_generic_error_t *err;
+
+ err = xcb_request_check (conn, ck);
+ if (err)
+ {
+ msg_Err (vd, "%s: X11 error %d", str, err->error_code);
+ free (err);
+ return VLC_EGENERIC;
+ }
+ return VLC_SUCCESS;
+}
+
/**
* Connect to the X server.
*/
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.
*/
-vout_window_t *GetWindow (vout_thread_t *obj,
+vout_window_t *GetWindow (vout_display_t *vd,
xcb_connection_t *conn,
const xcb_screen_t **restrict pscreen,
bool *restrict pshm)
vout_window_cfg_t wnd_cfg;
memset( &wnd_cfg, 0, sizeof(wnd_cfg) );
- wnd_cfg.type = VOUT_WINDOW_TYPE_XWINDOW;
- wnd_cfg.width = obj->i_window_width;
- wnd_cfg.height = obj->i_window_height;
-
- vout_window_t *wnd = vout_window_New (VLC_OBJECT(obj), NULL, &wnd_cfg);
+ wnd_cfg.type = VOUT_WINDOW_TYPE_XID;
+ 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 (obj, "parent window not available");
+ msg_Err (vd, "parent window not available");
return NULL;
}
else
geo = xcb_get_geometry_reply (conn, ck, NULL);
if (geo == NULL)
{
- msg_Err (obj, "parent window not valid");
+ msg_Err (vd, "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;
+ uint32_t value = XCB_EVENT_MASK_POINTER_MOTION
+ | XCB_EVENT_MASK_STRUCTURE_NOTIFY;
+ xcb_change_window_attributes (conn, wnd->handle.xid,
+ XCB_CW_EVENT_MASK, &value);
+ /* Try to subscribe to click events */
+ /* (only one X11 client can get them, so might not work) */
+ value |= XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE;
xcb_change_window_attributes (conn, wnd->handle.xid,
XCB_CW_EVENT_MASK, &value);
}
if (screen == NULL)
{
- msg_Err (obj, "parent window screen not found");
+ msg_Err (vd, "parent window screen not found");
goto error;
}
- msg_Dbg (obj, "using screen 0x%"PRIx32, root);
+ msg_Dbg (vd, "using screen 0x%"PRIx32, root);
/* Check MIT-SHM shared memory support */
- bool shm = var_CreateGetBool (obj, "x11-shm") > 0;
+ bool shm = var_CreateGetBool (vd, "x11-shm") > 0;
if (shm)
{
xcb_shm_query_version_cookie_t ck;
r = xcb_shm_query_version_reply (conn, ck, NULL);
if (!r)
{
- msg_Err (obj, "shared memory (MIT-SHM) not available");
- msg_Warn (obj, "display will be slow");
+ msg_Err (vd, "shared memory (MIT-SHM) not available");
+ msg_Warn (vd, "display will be slow");
shm = false;
}
free (r);
return wnd;
error:
- vout_window_Delete (wnd);
+ vout_display_DeleteWindow (vd, wnd);
return NULL;
}
return 0;
}
+/**
+ * Create a blank cursor.
+ * Note that the pixmaps are leaked (until the X disconnection). Hence, this
+ * function should be called no more than once per X connection.
+ * @param conn XCB connection
+ * @param scr target XCB screen
+ */
+xcb_cursor_t CreateBlankCursor (xcb_connection_t *conn,
+ const xcb_screen_t *scr)
+{
+ xcb_cursor_t cur = xcb_generate_id (conn);
+ xcb_pixmap_t pix = xcb_generate_id (conn);
+ xcb_void_cookie_t ck;
+ xcb_generic_error_t *err;
+
+ ck = xcb_create_pixmap_checked (conn, 1, pix, scr->root, 1, 1);
+ err = xcb_request_check (conn, ck);
+ if (err)
+ {
+ fprintf (stderr, "Cannot create pixmap: %d", err->error_code);
+ free (err);
+ }
+ ck = xcb_create_cursor_checked (conn, cur, pix, pix, 0, 0, 0, 0, 0, 0, 0, 0);
+ err = xcb_request_check (conn, ck);
+ if (err)
+ {
+ fprintf (stderr, "Cannot create pixmap: %d", err->error_code);
+ free (err);
+ }
+ return cur;
+}
+
/**
* 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);
}
-/**
- * Video output thread management stuff.
- * FIXME: Much of this should move to core
- */
-void CommonManage (vout_thread_t *vout)
-{
- if (vout->i_changes & VOUT_SCALE_CHANGE)
- {
- vout->b_autoscale = var_GetBool (vout, "autoscale");
- vout->i_zoom = ZOOM_FP_FACTOR;
- vout->i_changes &= ~VOUT_SCALE_CHANGE;
- vout->i_changes |= VOUT_SIZE_CHANGE;
- }
-
- if (vout->i_changes & VOUT_ZOOM_CHANGE)
- {
- vout->b_autoscale = false;
- vout->i_zoom = var_GetFloat (vout, "scale") * ZOOM_FP_FACTOR;
- vout->i_changes &= ~VOUT_ZOOM_CHANGE;
- vout->i_changes |= VOUT_SIZE_CHANGE;
- }
-
- if (vout->i_changes & VOUT_CROP_CHANGE)
- {
- vout->fmt_out.i_x_offset = vout->fmt_in.i_x_offset;
- vout->fmt_out.i_y_offset = vout->fmt_in.i_y_offset;
- vout->fmt_out.i_visible_width = vout->fmt_in.i_visible_width;
- vout->fmt_out.i_visible_height = vout->fmt_in.i_visible_height;
- vout->i_changes &= ~VOUT_CROP_CHANGE;
- vout->i_changes |= VOUT_SIZE_CHANGE;
- }
-
- if (vout->i_changes & VOUT_ASPECT_CHANGE)
- {
- vout->fmt_out.i_aspect = vout->fmt_in.i_aspect;
- vout->fmt_out.i_sar_num = vout->fmt_in.i_sar_num;
- vout->fmt_out.i_sar_den = vout->fmt_in.i_sar_den;
- vout->output.i_aspect = vout->fmt_in.i_aspect;
- vout->i_changes &= ~VOUT_ASPECT_CHANGE;
- vout->i_changes |= VOUT_SIZE_CHANGE;
- }
-}