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12 Commits

Author SHA1 Message Date
Vittorio Giovara
4d33873c29 hevc: make pps/sps ids unsigned where necessary 
Fixes integer overflow and out of array accesses.
Found-by: Mateusz j00ru Jurczyk and Gynvael Coldwind
 2014-03-09 17:23:08 +01:00
Anton Khirnov
b25e84b739 hevc: check that the VCL NAL types are the same for all slice segments of a frame 
Fixes possible invalid memory access for mismatching skipped/non-skipped
slice segments.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Sample-Id: 00001533-google
 2014-02-04 10:39:07 +01:00
Luca Barbato
838740e642 hevc: Prevent some integer overflows 
get_ue_golomb_long() returns an unsigned.

Sample-Id: 00001541-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2014-01-21 11:59:18 +01:00
Luca Barbato
b37e796082 hevc: Use uint64 to check for tile dimensions 
And use unsigned datatypes.

Otherwise it would overflow.

Sample-Id: 00001315-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2014-01-21 11:57:51 +01:00
Michael Niedermayer
d5c15ebeaf hevc: Fix modulo operations 
Keep qp fields within the range.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2014-01-21 11:57:43 +01:00
Guillaume Martres
e588615d93 hevc: fix decoding of one PU wide files 
For those the block size may be larger than the source linesize (if the
edges are not allocated).

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2014-01-09 09:46:13 +01:00
Guillaume Martres
7398e0516f hevc: move DSP declarations from hevc.h into hevcdsp.h 
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2013-12-22 03:49:11 +01:00
Mickaël Raulet
5c3fa74b94 hevc: support luma bit depth != chroma bit depth for PCM coding units 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-12-20 19:39:53 +01:00
Gildas Cocherel
2d18aaa14b hevc: refactor Profile Tier Level 
Also store a few PTL flags which were skipped before

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-12-20 19:38:59 +01:00
Gildas Cocherel
33452aede6 hevc: store the VPS list as an AVBufferRef, just like the others *PS 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-12-11 20:39:54 +01:00
Vittorio Giovara
acb77dff6a hevc: parse frame packing arrangement SEI messages and save relevant stereo3d information 2013-12-09 16:02:43 +01:00
Guillaume Martres
064698d381 Add HEVC decoder 
Initially written by Guillaume Martres <smarter@ubuntu.com> as a GSoC
project. Further contributions by the OpenHEVC project and other
developers, namely:

Mickaël Raulet <mraulet@insa-rennes.fr>
Seppo Tomperi <seppo.tomperi@vtt.fi>
Gildas Cocherel <gildas.cocherel@laposte.net>
Khaled Jerbi <khaled_jerbi@yahoo.fr>
Wassim Hamidouche <wassim.hamidouche@insa-rennes.fr>
Vittorio Giovara <vittorio.giovara@gmail.com>
Jan Ekström <jeebjp@gmail.com>
Anton Khirnov <anton@khirnov.net>
Martin Storsjö <martin@martin.st>
Luca Barbato <lu_zero@gentoo.org>
Yusuke Nakamura <muken.the.vfrmaniac@gmail.com>
Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Diego Biurrun <diego@biurrun.de>

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-10-31 20:19:59 +01:00