Commit Graph

44951 Commits

Author SHA1 Message Date
Michael Niedermayer
d65d834731 wmalosslessdec: Reset put bit buffer when num_saved_bits is reset.
Fixes CVE-2012-2799

CC:libav-stable@libav.org

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 19:17:38 +02:00
Anton Khirnov
d05f72c754 dfa: improve boundary checks in decode_dds1()
Fixes CVE-2012-2798

CC:libav-stable@libav.org
2012-09-29 19:17:07 +02:00
Anton Khirnov
6a99310fce wmalosslessdec: Fix reading too many bits in decode_channel_residues()
Fixes a part of CVE-2012-2795

CC:libav-stable@libav.org

Based on a patch by Michael Niedermayer <michaelni@gmx.at>

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
2012-09-29 19:16:32 +02:00
Michael Niedermayer
f48fbf2eb5 wmalosslessdec: fix a get_bits(0) in decode_ac_filter
Fixes a part of CVE-2012-2795

CC:libav-stable@libav.org

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 19:15:27 +02:00
Michael Niedermayer
607f57152c wmalosslessdec: make MCLMS arrays big enough for what is written into them.
Fixes a part of CVE-2012-2795

CC:libav-stable@libav.org

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 19:14:25 +02:00
Anton Khirnov
ae3da0ae55 indeo4/5: check empty tile size in decode_mb_info().
This prevents writing into a too small array if some parameters changed
without the tile being reallocated.

Based on a patch by Michael Niedermayer <michaelni@gmx.at>

Fixes CVE-2012-2800

CC:libav-stable@libav.org

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
2012-09-29 19:13:45 +02:00
Anton Khirnov
5d2170c53b ivi_common: make ff_ivi_process_empty_tile() static.
It's not used outside of ivi_common.c
2012-09-29 19:12:57 +02:00
Michael Niedermayer
2d09cdbaf2 indeo5: check tile size in decode_mb_info().
This prevents writing into a too small array if some parameters changed
without the tile being reallocated.

Fixes CVE-2012-2794

CC:libav-stable@libav.org

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 19:12:36 +02:00
Anton Khirnov
e4d4044339 indeo3: fix out of cell write.
Fixes CVE-2012-2776.

CC:libav-stable@libav.org

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
2012-09-29 19:12:04 +02:00
Michael Niedermayer
f049729e61 ffv1enc: fix integer overflow with high resolutions and lots of slices.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 19:11:25 +02:00
Michael Niedermayer
594b1fcb28 mov: add av_dlog() to dump edit lists.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 18:50:18 +02:00
Michael Niedermayer
3ceeb01c06 mov: only print multiple edit lists warning for actually unsupported cases
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 18:44:35 +02:00
Michael Niedermayer
44a7a6300d lavf: free probe data in case we close before probing finished
Fixes Ticket1634

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 17:33:05 +02:00
Michael Niedermayer
acfe69669c bink: reindent
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 16:25:29 +02:00
Michael Niedermayer
897d336984 bink: remove unneeded special case in the init code.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 16:25:25 +02:00
Michael Niedermayer
574e87943e bink: get rid of double precision float use
Add a small table of integers instead as this is simpler and
avoid rounding issues (though such rounding issues are unlikely in this case)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 16:23:57 +02:00
jamal
062cd9acc1 fate: Fix --disable-zlib
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 16:09:05 +02:00
rogerdpack
1bdb4b26a8 dshow: enhance error message
Signed-off-by: rogerdpack <rogerpack2005@gmail.com>
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Reviewed-by: Ramiro Polla <ramiro.polla@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 15:48:49 +02:00
Michael Niedermayer
6fcd4f3c72 dfa: replace redundant check by assert
The values are checked in the wraper function used to call this code.

This was introduced by: ee715f49a0

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 15:34:22 +02:00
Michael Niedermayer
b96dc093ea Merge remote-tracking branch 'qatar/master'
* qatar/master:
  wmalosslessdec: increase channel_coeffs/residues size
  wmalosslessdec: increase WMALL_BLOCK_MAX_BITS to 14.
  lagarith: check count before writing zeros.
  wmaprodec: check num_vec_coeffs for validity
  avidec: use actually read size instead of requested size
  avidec: return 0, not packet size from read_packet().

Conflicts:
	libavcodec/lagarith.c
	libavcodec/wmalosslessdec.c
	libavcodec/wmaprodec.c
	libavformat/avidec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 15:11:34 +02:00
Michael Niedermayer
8672fc7b04 Merge commit 'b146d74730ab9ec5abede9066f770ad851e45fbc'
* commit 'b146d74730ab9ec5abede9066f770ad851e45fbc':
  indeo4: update AVCodecContext width/height on size change
  dfa: check that the caller set width/height properly.
  indeo5dec: Make sure we have had a valid gop header.
  cavsdec: check for changing w/h.
  lavc: set channel count from channel layout in avcodec_open2().
  doc/platform: Rework the Visual Studio linking section
  doc/faq: Change the Visual Studio entry to reflect current status
  doc/platform: Replace Visual Studio section with build instructions
  doc/platform: Nuke section on linking static MinGW-built libs with MSVC
  doc/platform: Remove false claim about MinGW installer
  doc/platform: Mention MinGW-w64
  dsputil_mmx: fix reading prior of the src array in sub_hfyu_median_prediction()
  mpegaudiodec: fix short_start calculation

Conflicts:
	doc/faq.texi
	doc/platform.texi
	libavcodec/cavsdec.c
	libavcodec/indeo5.c
	libavcodec/ivi_common.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-29 14:45:55 +02:00
Anton Khirnov
065b3a1cfa wmalosslessdec: increase channel_coeffs/residues size
Fixes CVE-2012-2792

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
2012-09-29 10:29:53 +02:00
Anton Khirnov
4a969030e4 wmalosslessdec: increase WMALL_BLOCK_MAX_BITS to 14. 2012-09-29 10:29:52 +02:00
Stefano Sabatini
74bd0cf49c ffprobe: rework/fix ini writer
Do not build from scratch the section header for each section, but build
it using the previous level buffer, thus improving efficiency.

Also fix some few corner cases related to numbering which are exposed by
the pending disposition patch.
2012-09-29 10:25:11 +02:00
Stefano Sabatini
01e4537f66 ffprobe: rework/fix flat writer
Do not build from scratch the section header for each section, but build
using the previous level buffer, thus improving efficiency and fix some
few corner cases which are exposed by the pending disposition patch.
2012-09-29 10:25:04 +02:00
Stefano Sabatini
06fd4c2dfa ffprobe: generalize nesting model for the compact writer
Regular section fields nested in a regular section are now prefixed by
the nested section name.

This is required by the pending change related to disposition.
2012-09-29 10:24:53 +02:00
Stefano Sabatini
44c1cc3f8e ffprobe: generalize nesting model for the default writer
Regular section fields nested in a regular section are now prefixed by
the nested section name.

This is required by the pending change related to disposition.
2012-09-29 10:24:45 +02:00
Stefano Sabatini
b6ea9c8765 ffprobe: drop SECTION_ENTRY macro
The use of the macro makes to add new optional fields somewhat harder.
2012-09-29 10:24:36 +02:00
Stefano Sabatini
23564a4a4a ffprobe: add support to library ident printing 2012-09-29 10:24:28 +02:00
Michael Niedermayer
b631e4ed64 lagarith: check count before writing zeros.
Fixes CVE-2012-2793

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 09:28:32 +02:00
Michael Niedermayer
99f392a584 wmaprodec: check num_vec_coeffs for validity
Fixes CVE-2012-2789

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 09:28:15 +02:00
Anton Khirnov
0af49a63c7 avidec: use actually read size instead of requested size
Fixes CVE-2012-2788
2012-09-29 09:27:59 +02:00
Anton Khirnov
eeade678f0 avidec: return 0, not packet size from read_packet(). 2012-09-29 09:27:51 +02:00
Michael Niedermayer
b146d74730 indeo4: update AVCodecContext width/height on size change
Fixes CVE-2012-2787

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 09:27:32 +02:00
Anton Khirnov
ee715f49a0 dfa: check that the caller set width/height properly.
Fixes CVE-2012-2786.
2012-09-29 09:27:08 +02:00
Michael Niedermayer
891918431d indeo5dec: Make sure we have had a valid gop header.
This prevents decoding happening on a half initialized context.

Fixes CVE-2012-2779

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 09:26:30 +02:00
Michael Niedermayer
c20a696306 cavsdec: check for changing w/h.
Our decoder does not support changing w/h.

Fixes CVE-2012-2777 and CVE-2012-2784.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 09:26:04 +02:00
Anton Khirnov
12e1e83461 lavc: set channel count from channel layout in avcodec_open2().
Some decoders (e.g. nellymoser) only set channel_layout and do not set
channel count.
2012-09-29 09:25:40 +02:00
Derek Buitenhuis
bad603c66a doc/platform: Rework the Visual Studio linking section
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 16:35:49 -04:00
Derek Buitenhuis
08c3156dbf doc/faq: Change the Visual Studio entry to reflect current status
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 16:34:18 -04:00
Derek Buitenhuis
f8241055c7 doc/platform: Replace Visual Studio section with build instructions
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 16:33:22 -04:00
Derek Buitenhuis
7147efa9f5 doc/platform: Nuke section on linking static MinGW-built libs with MSVC
This practice is not supported by the MinGW developers, and even requires
patching the MinGW runtimes in newer versions. Furthermore, we now support
build with MSVC, so this section is rendered useless.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 16:31:07 -04:00
Derek Buitenhuis
d41906f65d doc/platform: Remove false claim about MinGW installer
This works just fine, and has for quite a while, using the mingw-get
installer.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 16:31:06 -04:00
Derek Buitenhuis
583661ee0d doc/platform: Mention MinGW-w64
This is the toolchain most use to build.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 16:30:53 -04:00
Derek Buitenhuis
7d1d446990 doc/platform: Rework the Visual Studio linking section
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 15:52:21 -04:00
Derek Buitenhuis
ed8a2ddeea doc/faq: Change the Visual Studio entry to reflect current status
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 15:50:45 -04:00
Derek Buitenhuis
f45b54437a doc/platform: Replace Visual Studio section with build instructions
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 15:50:32 -04:00
Derek Buitenhuis
3e071551af doc/platform: Nuke section on linking static MinGW-built libs with MSVC
This practice is not supported by the MinGW developers, and even requires
patching the MinGW runtimes in newer versions. Furthermore, we now support
build with MSVC, so this section is rendered useless.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 15:27:59 -04:00
Derek Buitenhuis
55254a3f7f doc/platform: Remove false claim about MinGW installer
This works just fine, and has for quite a while, using the mingw-get
installer.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 15:27:25 -04:00
Derek Buitenhuis
6a3078bb89 doc/platform: Mention MinGW-w64
This is the toolchain most, including Libav's nightlies, use to build.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2012-09-28 15:27:13 -04:00