/**
* Probe the X server.
*/
static int Open(vout_display_t *vd, const vout_display_cfg_t *cfg,
video_format_t *fmtp, vlc_video_context *ctx)
{
vlc_object_t *obj = VLC_OBJECT(vd);
vout_display_sys_t *sys = vlc_obj_malloc(obj, sizeof (*sys));
if (unlikely(sys == NULL))
return VLC_ENOMEM;
vd->sys = sys;
/* Connect to X */
xcb_connection_t *conn;
const xcb_screen_t *screen;
if (vlc_xcb_parent_Create(vd, cfg, &conn, &screen) == NULL)
return VLC_EGENERIC;
sys->conn = conn;
sys->root = screen->root;
sys->format.argb = 0;
sys->format.alpha = 0;
if (!CheckRender(vd, conn))
goto error;
xcb_render_query_pict_formats_cookie_t pic_fmt_ck =
xcb_render_query_pict_formats(conn);
xcb_render_query_pict_formats_reply_t *pic_fmt_r =
xcb_render_query_pict_formats_reply(conn, pic_fmt_ck, NULL);
if (pic_fmt_r == NULL)
goto error;
const xcb_setup_t *setup = xcb_get_setup(conn);
const xcb_render_pictforminfo_t *const pic_fmts =
xcb_render_query_pict_formats_formats(pic_fmt_r);
xcb_visualid_t visual = 0;
for (unsigned i = 0; i < pic_fmt_r->num_formats; i++) {
const xcb_render_pictforminfo_t *const pic_fmt = pic_fmts + i;
const xcb_render_directformat_t *const d = &pic_fmt->direct;
if (pic_fmt->depth == 8 && pic_fmt->direct.alpha_mask == 0xff) {
/* Alpha mask format */
sys->format.alpha = pic_fmt->id;
continue;
}
xcb_visualid_t vid = FindVisual(setup, screen, pic_fmt_r, pic_fmt->id);
if (vid == 0)
continue;
/* Use only ARGB for now. 32-bits is guaranteed to work. */
if (pic_fmt->depth != 32)
continue;
vlc_fourcc_t chroma = ParseFormat(setup, pic_fmt);
if (chroma == 0)
continue;
fmtp->i_chroma = chroma;
fmtp->i_rmask = ((uint32_t)d->red_mask) << d->red_shift;
fmtp->i_gmask = ((uint32_t)d->green_mask) << d->green_shift;
fmtp->i_bmask = ((uint32_t)d->blue_mask) << d->blue_shift;
sys->format.argb = pic_fmt->id;
visual = vid;
}
free(pic_fmt_r);
if (unlikely(sys->format.argb == 0 || sys->format.alpha == 0))
goto error; /* Buggy server */
msg_Dbg(obj, "using RENDER picture format %u", sys->format.argb);
msg_Dbg(obj, "using X11 visual 0x%"PRIx32, visual);
char *filter = var_InheritString(obj, "x11-render-filter");
if (filter != NULL) {
msg_Dbg(obj, "using filter \"%s\"", filter);
sys->filter = ToCharset("ISO 8859-1", filter, &(size_t){ 0 });
free(filter);
} else
sys->filter = NULL;
sys->drawable.source = xcb_generate_id(conn);
sys->drawable.crop = xcb_generate_id(conn);
sys->drawable.scale = xcb_generate_id(conn);
sys->drawable.subpic = xcb_generate_id(conn);
sys->drawable.alpha = xcb_generate_id(conn);
sys->drawable.dest = xcb_generate_id(conn);
sys->picture.source = xcb_generate_id(conn);
sys->picture.crop = xcb_generate_id(conn);
sys->picture.scale = xcb_generate_id(conn);
sys->picture.subpic = xcb_generate_id(conn);
sys->picture.alpha = xcb_generate_id(conn);
sys->picture.dest = xcb_generate_id(conn);
sys->gc = xcb_generate_id(conn);
if (XCB_shm_Check(obj, conn))
sys->segment = xcb_generate_id(conn);
else
sys->segment = 0;
xcb_colormap_t cmap = xcb_generate_id(conn);
uint32_t cw_mask =
XCB_CW_BACK_PIXEL |
XCB_CW_BORDER_PIXEL |
XCB_CW_EVENT_MASK |
XCB_CW_COLORMAP;
const uint32_t cw_list[] = {
/* XCB_CW_BACK_PIXEL */
screen->black_pixel,
/* XCB_CW_BORDER_PIXEL */
screen->black_pixel,
/* XCB_CW_EVENT_MASK */
0,
/* XCB_CW_COLORMAP */
cmap,
};
xcb_create_colormap(conn, XCB_COLORMAP_ALLOC_NONE, cmap, screen->root,
visual);
xcb_create_pixmap(conn, 32, sys->drawable.source, screen->root,
vd->source.i_width, vd->source.i_height);
xcb_create_gc(conn, sys->gc, sys->drawable.source, 0, NULL);
xcb_create_window(conn, 32, sys->drawable.dest, cfg->window->handle.xid,
0, 0, cfg->display.width, cfg->display.height, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, visual, cw_mask, cw_list);
xcb_render_create_picture(conn, sys->picture.source, sys->drawable.source,
sys->format.argb, 0, NULL);
xcb_render_create_picture(conn, sys->picture.dest, sys->drawable.dest,
sys->format.argb, 0, NULL);
CreateBuffers(vd, cfg);
xcb_map_window(conn, sys->drawable.dest);
sys->spu_chromas[0] = fmtp->i_chroma;
sys->spu_chromas[1] = 0;
vd->info.subpicture_chromas = sys->spu_chromas;
vd->prepare = Prepare;
vd->display = Display;
vd->control = Control;
(void) ctx;
return VLC_SUCCESS;
error:
xcb_disconnect(conn);
return VLC_EGENERIC;
}
Fmt::Fmt(const char *fmt) {
threadId = GetCurrentThreadId();
ParseFormat(fmt);
}
nsresult
nsDirIndexParser::ProcessData(nsIRequest *aRequest, nsISupports *aCtxt) {
if (!mListener)
return NS_ERROR_FAILURE;
PRInt32 numItems = 0;
while(PR_TRUE) {
++numItems;
PRInt32 eol = mBuf.FindCharInSet("\n\r", mLineStart);
if (eol < 0) break;
mBuf.SetCharAt(PRUnichar('\0'), eol);
const char *line = mBuf.get() + mLineStart;
PRInt32 lineLen = eol - mLineStart;
mLineStart = eol + 1;
if (lineLen >= 4) {
nsresult rv;
const char *buf = line;
if (buf[0] == '1') {
if (buf[1] == '0') {
if (buf[2] == '0' && buf[3] == ':') {
// 100. Human-readable comment line. Ignore
} else if (buf[2] == '1' && buf[3] == ':') {
// 101. Human-readable information line.
mComment.Append(buf + 4);
char *value = ((char *)buf) + 4;
nsUnescape(value);
mListener->OnInformationAvailable(aRequest, aCtxt, NS_ConvertUTF8toUTF16(value));
} else if (buf[2] == '2' && buf[3] == ':') {
// 102. Human-readable information line, HTML.
mComment.Append(buf + 4);
}
}
} else if (buf[0] == '2') {
if (buf[1] == '0') {
if (buf[2] == '0' && buf[3] == ':') {
// 200. Define field names
rv = ParseFormat(buf + 4);
if (NS_FAILED(rv)) {
return rv;
}
} else if (buf[2] == '1' && buf[3] == ':') {
// 201. Field data
nsCOMPtr<nsIDirIndex> idx = do_CreateInstance("@mozilla.org/dirIndex;1",&rv);
if (NS_FAILED(rv))
return rv;
rv = ParseData(idx, ((char *)buf) + 4);
if (NS_FAILED(rv)) {
return rv;
}
mListener->OnIndexAvailable(aRequest, aCtxt, idx);
}
}
} else if (buf[0] == '3') {
if (buf[1] == '0') {
if (buf[2] == '0' && buf[3] == ':') {
// 300. Self-referring URL
} else if (buf[2] == '1' && buf[3] == ':') {
// 301. OUR EXTENSION - encoding
int i = 4;
while (buf[i] && nsCRT::IsAsciiSpace(buf[i]))
++i;
if (buf[i])
SetEncoding(buf+i);
}
}
}
}
}
return NS_OK;
}
