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-rw-r--r--libavdevice/xcbgrab.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/libavdevice/xcbgrab.c b/libavdevice/xcbgrab.c
index 5055fde..2fdb992 100644
--- a/libavdevice/xcbgrab.c
+++ b/libavdevice/xcbgrab.c
@@ -2,20 +2,20 @@
* XCB input grabber
* Copyright (C) 2014 Luca Barbato <lu_zero@gentoo.org>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -47,7 +47,9 @@ typedef struct XCBGrabContext {
xcb_connection_t *conn;
xcb_screen_t *screen;
xcb_window_t window;
+#if CONFIG_LIBXCB_SHM
xcb_shm_seg_t segment;
+#endif
int64_t time_frame;
AVRational time_base;
@@ -92,6 +94,7 @@ static const AVClass xcbgrab_class = {
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
+ .category = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
};
static int xcbgrab_reposition(AVFormatContext *s,
@@ -488,7 +491,6 @@ static int create_stream(AVFormatContext *s)
{
XCBGrabContext *c = s->priv_data;
AVStream *st = avformat_new_stream(s, NULL);
- const char *opts = strchr(s->filename, '+');
xcb_get_geometry_cookie_t gc;
xcb_get_geometry_reply_t *geo;
int ret;
@@ -504,9 +506,6 @@ static int create_stream(AVFormatContext *s)
if (ret < 0)
return ret;
- if (opts)
- sscanf(opts, "%d,%d", &c->x, &c->y);
-
avpriv_set_pts_info(st, 64, 1, 1000000);
gc = xcb_get_geometry(c->conn, c->screen->root);
@@ -577,11 +576,13 @@ static void setup_window(AVFormatContext *s)
XCB_COPY_FROM_PARENT,
mask, values);
+#if XCB_SHAPE_RECTANGLES
xcb_shape_rectangles(c->conn, XCB_SHAPE_SO_SUBTRACT,
XCB_SHAPE_SK_BOUNDING, XCB_CLIP_ORDERING_UNSORTED,
c->window,
c->region_border, c->region_border,
1, &rect);
+#endif
xcb_map_window(c->conn, c->window);
@@ -593,8 +594,20 @@ static av_cold int xcbgrab_read_header(AVFormatContext *s)
XCBGrabContext *c = s->priv_data;
int screen_num, ret;
const xcb_setup_t *setup;
+ char *display_name = av_strdup(s->filename);
+
+ if (s->filename) {
+ if (!display_name)
+ return AVERROR(ENOMEM);
- c->conn = xcb_connect(s->filename, &screen_num);
+ if (!sscanf(s->filename, "%[^+]+%d,%d", display_name, &c->x, &c->y)) {
+ *display_name = 0;
+ sscanf(s->filename, "+%d,%d", &c->x, &c->y);
+ }
+ }
+
+ c->conn = xcb_connect(display_name, &screen_num);
+ av_freep(&display_name);
if ((ret = xcb_connection_has_error(c->conn))) {
av_log(s, AV_LOG_ERROR, "Cannot open display %s, error %d.\n",
s->filename ? s->filename : "default", ret);
@@ -610,7 +623,9 @@ static av_cold int xcbgrab_read_header(AVFormatContext *s)
return AVERROR(EIO);
}
+#if CONFIG_LIBXCB_SHM
c->segment = xcb_generate_id(c->conn);
+#endif
ret = create_stream(s);
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