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Andreas Rheinhardt 14b3830b33 avformat/dashdec: Fix crash on invalid input/ENOMEM, fix leak In case a SupplementalProperty node exists in an adaptationset, it is searched for a "schemeIdUri" property via xmlGetProp(). Whatever xmlGetProp() returns is then compared via av_strcasecmp() to a string literal. xmlGetProp() can return NULL, namely in case no "schemeIdUri" exists and (given that this string is allocated) presumably also on allocation failure. No check for NULL is done, so this may crash. Furthermore, the string returned by xmlGetProp() needs to be freed with xmlFree(), but this is not done either. This commit fixes both of these issues; they existed since this code has been added in `10d008f0fd`. This has been found while investigating ticket #9697. The continuous leaks might very well be the reason behind the observed slowdown. Reviewed-by: Steven Liu <lingjiujianke@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>		2022-09-22 15:34:23 +02:00
compat	…
doc	…
ffbuild	…
fftools	fftools/ffmpeg: fix av_display_rotation_set() type cast	2022-09-22 20:03:57 +08:00
libavcodec	avcodec/exr: fix skipping too long metadata values	2022-09-22 10:31:03 +02:00
libavdevice	…
libavfilter	avfilter/avfilter: Make ff_command_queue_pop() static	2022-09-21 13:01:20 +02:00
libavformat	avformat/dashdec: Fix crash on invalid input/ENOMEM, fix leak	2022-09-22 15:34:23 +02:00
libavutil	avutil/channel_layout: mention how the API user should treat channel orders it does not understand	2022-09-22 10:22:19 -03:00
libpostproc	…
libswresample	…
libswscale	swscale/output: Don't call av_pix_fmt_desc_get() in a loop	2022-09-19 23:40:41 +02:00
presets	…
tests	fate/checkasm: add LPC test to list	2022-09-22 04:27:20 +02:00
tools	…
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.mailmap	…
.travis.yml	…
CONTRIBUTING.md	…
COPYING.GPLv2	…
COPYING.GPLv3	…
COPYING.LGPLv2.1	…
COPYING.LGPLv3	…
CREDITS	…
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INSTALL.md	…
LICENSE.md	…
MAINTAINERS	…
Makefile	…
README.md	…
RELEASE	…
configure	configure: Remove obsolete APTX decoder dependencies	2022-09-18 22:43:47 +02:00

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

libavcodec provides implementation of a wider range of codecs.
libavformat implements streaming protocols, container formats and basic I/O access.
libavutil includes hashers, decompressors and miscellaneous utility functions.
libavfilter provides means to alter decoded audio and video through a directed graph of connected filters.
libavdevice provides an abstraction to access capture and playback devices.
libswresample implements audio mixing and resampling routines.
libswscale implements color conversion and scaling routines.

Tools

ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
ffplay is a minimalistic multimedia player.
ffprobe is a simple analysis tool to inspect multimedia content.
Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.