#2450: Xorg resource leakage
-------------------------------------+-------------------------------------
Reporter: raimund | Owner:
Type: defect | Status: new
Priority: important | Component: avdevice
Version: 1.1.4 | Resolution:
Keywords: x11grab | Blocked By:
regression | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by raimund):
Is reproducible with current git head:
$ ./ffmpeg -f x11grab -s cif -r 25 -i :0.0 /tmp/out.mpg
ffmpeg version N-51680-ge82f562 Copyright (c) 2000-2013 the FFmpeg
developers
built on Apr 8 2013 21:24:02 with gcc 4.4.6 (GCC) 20110731 (Red Hat
4.4.6-3)
configuration: --disable-yasm --enable-gpl --enable-x11grab --enable-
version3 --enable-libvo-aacenc
libavutil 52. 25.100 / 52. 25.100
libavcodec 55. 2.100 / 55. 2.100
libavformat 55. 1.100 / 55. 1.100
libavdevice 55. 0.100 / 55. 0.100
libavfilter 3. 49.100 / 3. 49.100
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 2.100 / 52. 2.100
[x11grab @ 0x9410540] device: :0.0 -> display: :0.0 x: 0 y: 0 width: 352
height: 288
[x11grab @ 0x9410540] shared memory extension found
Input #0, x11grab, from ':0.0':
Duration: N/A, start: 1365491257.958856, bitrate: 81100 kb/s
Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 352x288, 81100
kb/s, 25 tbr, 1000k tbn, 25 tbc
File '/tmp/out.mpg' already exists. Overwrite ? [y/N] y
VBV buffer size not set, muxing may fail
Output #0, mpeg, to '/tmp/out.mpg':
Metadata:
encoder : Lavf55.1.100
Stream #0:0: Video: mpeg1video, yuv420p, 352x288, q=2-31, 200 kb/s,
90k tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (rawvideo -> mpeg1video)
Press [q] to stop, [?] for help
[swscaler @ 0x9404c00] Warning: data is not aligned! This can lead to a
speedloss
frame= 1101 fps= 25 q=31.0 Lsize= 2336kB time=00:00:44.00 bitrate=
434.9kbits/s
video:2322kB audio:0kB subtitle:0 global headers:0kB muxing overhead
0.615708%
While ffmpeg is running execute
$ xrestop -b -m 1
I got for the ffmpeg X11 client after ~500 frames:
cursors : 531
and after ~1000 frames:
cursors : 1040
Leak disappers when patching this way:
diff --git a/libavdevice/x11grab.c b/libavdevice/x11grab.c
index 6124006..bf88e88 100644
--- a/libavdevice/x11grab.c
+++ b/libavdevice/x11grab.c
@@ -361,10 +361,12 @@ paint_mouse_pointer(XImage *image, struct x11grab
*s)
if (image->bits_per_pixel != 24 && image->bits_per_pixel != 32)
return;
+/*
c = XCreateFontCursor(dpy, XC_left_ptr);
w = DefaultRootWindow(dpy);
attr.cursor = c;
XChangeWindowAttributes(dpy, w, CWCursor, &attr);
+*/
=> Revise bugfix #1738.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2450#comment:2>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
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