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Moritz Barsnick 2250dc4044 avdevice/xcbgrab: check return values of xcb query functions 
Fixes #7312, segmentation fault on close of X11 server

xcb_query_pointer_reply() and xcb_get_geometry_reply() can return NULL
if e.g. the X server closes or the connection is lost. This needs to
be checked in order to cleanly exit, because the returned pointers are
dereferenced later.

Signed-off-by: Moritz Barsnick <barsnick@gmx.net>
Reviewed-by: Andriy Gelman <andriy.gelman@gmail.com>
 		2020-08-15 15:32:52 -04:00
..
tests Merge commit '93fed46a92bab8be176d3e67be4354189a8dbe7f' 2017-03-19 16:08:27 +01:00
.gitignore lavfi,lavd: add gitignore for generated static component lists 2018-04-05 22:08:53 +01:00
Makefile lavdevice: Add AudioToolbox output device. 2020-06-15 15:09:33 +02:00
alldevices.c lavdevice: Add AudioToolbox output device. 2020-06-15 15:09:33 +02:00
alsa.c avdevice/alsa: fix indefinite stop on closing PCM capture 2019-04-23 14:01:23 -08:00
alsa.h lavd/alsa: Double maximum alsa buffer size. 2017-11-27 14:05:28 +01:00
alsa_dec.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
alsa_enc.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
android_camera.c avdevice/android_camera: Fix AVClass.version 2018-04-19 23:44:33 +02:00
audiotoolbox.m lavdevice: Add AudioToolbox output device. 2020-06-15 15:09:33 +02:00
avdevice.c Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
avdevice.h Revert "lavd: add new API for iterating input and output devices" 2018-03-31 23:26:31 +01:00
avdeviceres.rc
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avfoundation.m avfoundation: Fix building on iOS 2020-04-30 14:21:47 +02:00
bktr.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
caca.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
decklink_common.cpp avdevice/decklink: add support for SDK version 11.5 2020-02-26 21:32:56 +01:00
decklink_common.h avdevice/decklink_dec: add support for extracting and outputing klv from vanc 2020-07-03 00:24:59 +02:00
decklink_common_c.h avdevice/decklink_dec: add support for extracting and outputing klv from vanc 2020-07-03 00:24:59 +02:00
decklink_dec.cpp avdevice/decklink_dec: export timecode with s12m side data 2020-07-15 05:47:14 +08:00
decklink_dec.h libavdevice/decklink: add support for -sources and -sinks arguments 2017-10-10 20:07:25 +02:00
decklink_dec_c.c avdevice/decklink_dec: add support for extracting and outputing klv from vanc 2020-07-03 00:24:59 +02:00
decklink_enc.cpp avdevice/decklink: deprecate the -list_devices option 2020-01-03 18:13:22 +01:00
decklink_enc.h libavdevice/decklink: add support for -sources and -sinks arguments 2017-10-10 20:07:25 +02:00
decklink_enc_c.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
dshow.c avdevice/dshow: Fixed some minor memory leaks 2019-01-03 13:15:45 -03:00
dshow_capture.h dshow: don't add two instances of same device to graphs 2016-06-23 03:18:16 +02:00
dshow_common.c
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dshow_crossbar.c lavd/dshow_crossbar: remove trailing whitespace 2016-03-28 13:31:38 -08:00
dshow_enummediatypes.c avdevice/dshow_enummediatypes: check return of av_malloc 2015-11-06 09:36:57 -05:00
dshow_enumpins.c
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dshow_filter.c avdevice/dshow: satisfy alloc contract better 2016-08-20 12:06:50 +02:00
dshow_pin.c avdevice/dshow: Fixed some minor memory leaks 2019-01-03 13:15:45 -03:00
fbdev_common.c Merge commit '87f98a2b9d4c7218ad82bb45347a53b65e5244f3' 2015-07-11 12:25:03 +02:00
fbdev_common.h
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fbdev_dec.c avdevice: migrate to AVFormatContext->url 2018-01-28 23:06:43 +01:00
fbdev_enc.c avdevice: migrate to AVFormatContext->url 2018-01-28 23:06:43 +01:00
file_open.c
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gdigrab.c libavdevice/gdigrab: fix ffmpeg -devices doesn't show gdigrab 2019-05-17 21:51:20 +08:00
iec61883.c lavd/iec61883: Fix the include path for poll.h. 2019-01-16 00:13:49 +01:00
internal.h avdevice/internal: add av_warn_unused_result 2015-10-16 17:28:40 -04:00
jack.c avdevice: migrate to AVFormatContext->url 2018-01-28 23:06:43 +01:00
kmsgrab.c kmsgrab: Add more supported formats 2020-08-09 20:18:49 +01:00
lavfi.c libavdevice/lavfi: check avfilter_graph_dump return value 2019-11-29 19:58:35 +01:00
libavdevice.v Merge commit '535a742c2695a9e0c586b50d7fa76e318232ff24' 2016-06-27 17:56:47 +02:00
libcdio.c avdevice: migrate to AVFormatContext->url 2018-01-28 23:06:43 +01:00
libdc1394.c lavd/libdc1394: Do not crash if dc1394_camera_new() fails. 2017-08-18 19:20:15 +02:00
openal-dec.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
opengl_enc.c avdevice/opengl: add support of wrapped avframe codec 2020-04-16 23:52:12 +02:00
opengl_enc_shaders.h all: Make header guard names consistent 2016-01-31 15:44:11 -08:00
oss.c Merge commit 'b586903ae1b89e2d8b99c79f33cabe9b3ca03784' 2017-11-11 16:19:50 -03:00
oss.h Merge commit '8d26c193fb42d08602ac93ece039d4718d029adc' 2015-04-09 21:36:42 +02:00
oss_dec.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
oss_enc.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
pulse_audio_common.c
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pulse_audio_common.h avdevice/pulse_audio_common: add av_warn_unused_result 2015-10-22 19:03:50 -04:00
pulse_audio_dec.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
pulse_audio_enc.c libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
reverse.c avdevice: make ff_reverse available on shared builds 2017-07-20 00:33:29 -03:00
sdl2.c avdevice/sdl2: add option to set window position 2018-10-23 19:42:32 +02:00
sndio.c Merge commit '8d26c193fb42d08602ac93ece039d4718d029adc' 2015-04-09 21:36:42 +02:00
sndio.h Merge commit '8d26c193fb42d08602ac93ece039d4718d029adc' 2015-04-09 21:36:42 +02:00
sndio_dec.c avdevice: migrate to AVFormatContext->url 2018-01-28 23:06:43 +01:00
sndio_enc.c avdevice: migrate to AVFormatContext->url 2018-01-28 23:06:43 +01:00
timefilter.c Merge commit 'd12b5b2f135aade4099f4b26b0fe678656158c13' 2016-05-11 19:13:03 +01:00
timefilter.h
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utils.c
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v4l2-common.c lavd/v4l2-common: Add an entry for Z16. 2019-03-22 12:30:47 +01:00
v4l2-common.h Merge commit '3a165c187da7d74f46f6c1778294e8c5a3a7151f' 2017-03-22 17:55:18 +01:00
v4l2.c avdevice/v4l2: Remove av_assert0 when format not supported 2019-11-06 20:38:03 +01:00
v4l2enc.c avdevice/v4l2enc: Allow writing non-rawvideos to v4l2. 2020-05-09 15:44:43 +01:00
version.h avdevice/decklink_dec: add support for extracting and outputing klv from vanc 2020-07-03 00:24:59 +02:00
vfwcap.c lavd/vfwcap: Pass pointers to int instead of long to av_parse_video_size(). 2018-04-18 20:26:44 +02:00
xcbgrab.c avdevice/xcbgrab: check return values of xcb query functions 2020-08-15 15:32:52 -04:00
xv.c avdevice/xv: add support of wrapped avframe codec 2020-04-16 23:52:12 +02:00