set_subcategory (SUBCAT_VIDEO_VOUT)
set_capability ("vout display", 75)
set_callbacks (Open, Close)
- add_shortcut ("xcb-x11")
- add_shortcut ("x11")
+ add_shortcut ("xcb-x11", "x11", "xid")
add_bool ("x11-shm", true, NULL, SHM_TEXT, SHM_LONGTEXT, true)
vlc_module_end ()
static void ResetPictures (vout_display_t *);
+static const xcb_depth_t *FindDepth (const xcb_screen_t *scr,
+ uint_fast8_t depth)
+{
+ xcb_depth_t *d = NULL;
+ for (xcb_depth_iterator_t it = xcb_screen_allowed_depths_iterator (scr);
+ it.rem > 0 && d == NULL;
+ xcb_depth_next (&it))
+ {
+ if (it.data->depth == depth)
+ d = it.data;
+ }
+
+ return d;
+}
+
+
/**
* Probe the X server.
*/
/* Get window, connect to X server */
const xcb_screen_t *scr;
- p_sys->embed = GetWindow (vd, &p_sys->conn, &scr, &p_sys->depth);
+ p_sys->embed = GetWindow (vd, &p_sys->conn, &scr, &(uint8_t){ 0 });
if (p_sys->embed == NULL)
{
free (p_sys);
const xcb_setup_t *setup = xcb_get_setup (p_sys->conn);
p_sys->byte_order = setup->image_byte_order;
- /* */
- video_format_t fmt_pic = vd->fmt;
-
- /* Check that the selected screen supports this depth */
- xcb_depth_t *d = NULL;
- for (xcb_depth_iterator_t it = xcb_screen_allowed_depths_iterator (scr);
- it.rem > 0 && d == NULL;
- xcb_depth_next (&it))
- if (it.data->depth == p_sys->depth)
- d = it.data;
- if (d == NULL)
- {
- msg_Err (obj, "unexpected color depth msimatch");
- goto error; /* WTH? depth not supported on screen */
- }
-
- /* Find a visual type for the selected depth */
+ /* Determine our pixel format */
xcb_visualid_t vid = 0;
- bool gray = true;
- const xcb_visualtype_t *vt = xcb_depth_visuals (d);
- for (int i = xcb_depth_visuals_length (d); i > 0; i--)
- {
- if (vt->_class == XCB_VISUAL_CLASS_TRUE_COLOR)
- {
- vid = vt->visual_id;
- fmt_pic.i_rmask = vt->red_mask;
- fmt_pic.i_gmask = vt->green_mask;
- fmt_pic.i_bmask = vt->blue_mask;
- gray = false;
- break;
- }
- if (p_sys->depth == 8 && vt->_class == XCB_VISUAL_CLASS_STATIC_GRAY
- && vid == 0)
- {
- vid = vt->visual_id;
- }
- }
+ p_sys->depth = 0;
- if (!vid)
- {
- msg_Err (obj, "unexpected visual type mismatch");
- goto error;
- }
- msg_Dbg (vd, "using X11 visual ID 0x%"PRIx32" (depth: %"PRIu8")", vid,
- p_sys->depth);
-
- /* Determine our pixel format */
- p_sys->bpp = 0;
for (const xcb_format_t *fmt = xcb_setup_pixmap_formats (setup),
*end = fmt + xcb_setup_pixmap_formats_length (setup);
- fmt < end && !p_sys->bpp; fmt++)
+ fmt < end;
+ fmt++)
{
- if (fmt->depth != p_sys->depth)
- continue; /* Wrong depth! */
+ if (fmt->depth <= p_sys->depth)
+ continue; /* no better than earlier format */
+
+ video_format_t fmt_pic = vd->fmt;
/* Check that the pixmap format is supported by VLC. */
switch (fmt->depth)
case 8:
if (fmt->bits_per_pixel != 8)
continue;
- fmt_pic.i_chroma = gray ? VLC_CODEC_GREY : VLC_CODEC_RGB8;
+ fmt_pic.i_chroma = VLC_CODEC_RGB8;
break;
default:
continue;
}
+
+ /* VLC pads lines to 16 pixels internally */
if ((fmt->bits_per_pixel << 4) % fmt->scanline_pad)
- continue; /* VLC pads lines to 16 pixels internally */
+ continue;
/* Byte sex is a non-issue for 8-bits. It can be worked around with
* RGB masks for 24-bits. Too bad for 15-bits and 16-bits. */
if (fmt->bits_per_pixel == 16 && setup->image_byte_order != ORDER)
continue;
+ /* Check that the selected screen supports this depth */
+ const xcb_depth_t *d = FindDepth (scr, fmt->depth);
+ if (d == NULL)
+ continue;
+
+ /* Find a visual type for the selected depth */
+ const xcb_visualtype_t *vt = xcb_depth_visuals (d);
+
+ /* First try True Color class */
+ for (int i = xcb_depth_visuals_length (d); i > 0; i--)
+ {
+ if (vt->_class == XCB_VISUAL_CLASS_TRUE_COLOR)
+ {
+ fmt_pic.i_rmask = vt->red_mask;
+ fmt_pic.i_gmask = vt->green_mask;
+ fmt_pic.i_bmask = vt->blue_mask;
+ goto found_visual;
+ }
+ vt++;
+ }
+ /* Then try Static Gray class */
+ if (fmt->depth == 8)
+ for (int i = xcb_depth_visuals_length (d); i > 0 && !vid; i--)
+ {
+ if (vt->_class == XCB_VISUAL_CLASS_STATIC_GRAY)
+ goto found_grey;
+ vt++;
+ }
+
+ continue; /* Fail: unusable pixel format */
+
+ found_grey:
+ fmt_pic.i_chroma = VLC_CODEC_GREY;
+ found_visual:
p_sys->bpp = fmt->bits_per_pixel;
p_sys->pad = fmt->scanline_pad;
- msg_Dbg (vd, " %"PRIu8" bits per pixels, %"PRIu8" bits line pad",
- p_sys->bpp, p_sys->pad);
+ p_sys->depth = fmt->depth;
+ vd->fmt = fmt_pic;
+ vid = vt->visual_id;
}
- if (!p_sys->bpp)
+ if (!vid)
{
- msg_Err (vd, "no supported pixmap formats");
+ msg_Err (obj, "no supported pixel format & visual");
goto error;
}
+ msg_Dbg (vd, "using X11 visual ID 0x%"PRIx32, vid);
+ msg_Dbg (vd, " %"PRIu8" bits depth", p_sys->depth);
+ msg_Dbg (vd, " %"PRIu8" bits per pixel", p_sys->bpp);
+ msg_Dbg (vd, " %"PRIu8" bits line pad", p_sys->pad);
+
/* Create colormap (needed to select non-default visual) */
xcb_colormap_t cmap;
if (vid != scr->root_visual)
info.has_event_thread = true;
/* Setup vout_display_t once everything is fine */
- vd->fmt = fmt_pic;
vd->info = info;
vd->pool = Pool;
if (!p_sys->visible)
goto out;
+ xcb_force_screen_saver (p_sys->conn, XCB_SCREEN_SAVER_RESET);
+
if (segment != 0)
ck = xcb_shm_put_image_checked (p_sys->conn, p_sys->window, p_sys->gc,
/* real width */ pic->p->i_pitch / pic->p->i_pixel_pitch,