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16 Commits

Author SHA1 Message Date
Michael Niedermayer
c417b7b566 avcodec/hevc_ps: Sanity checks for some log2_* values 
log2 values which imply numeric overflow are not supported

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 205b2ba3d6)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-02-25 17:47:22 +01:00
Michael Niedermayer
7bd8ea83a0 avcodec/hevc_ps: Check diff_cu_qp_delta_depth 
Fixes undefined behavior
Fixes: asan_static-oob_17aa046_582_cov_1577759978_DBLK_G_VIXS_1.bit
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 3281fa8925)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-12-30 15:38:21 +01:00
Michael Niedermayer
35cfb99c15 avcodec/hevc_ps: Check num_long_term_ref_pics_sps 
Fixes out of array access
Fixes: signal_sigsegv_35bd0f0_1182_cov_791726764_STRUCT_B_Samsung_4.bit
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ea38e5a6b7)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-28 18:53:12 +01:00
Michael Niedermayer
0bb71a85c3 avcodec/hevc_ps: prevent stale pointer in malloc failure case 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 0fc2045d5f)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit cf99ce9a7744763ea2950f45e7ffe18af8f4e0f5)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-07-15 22:19:25 +02:00
Michael Niedermayer
5302fa522b avcodec/hevc_ps: do not loose all reference to pointers still in use 
Fixes leaving a pointer to unreferenced memory
Fixes Ticket 3115

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ccd6911c18)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ec0ec65ee46d1367938dc46036fe61ad0384cbd5)

Conflicts:

	libavcodec/hevc.c
 2014-07-15 22:16:07 +02:00
Michael Niedermayer
7034e808f6 avcodec/hevc_ps: Use get_bits_long() in decode_vui() 
Fix assertion failure
Fixes: a225222ef88a0f5b1e93e1d0432debc3-asan_static-oob_124a17d_1448_cov_77608227_DBLK_E_VIXS_1.bit
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit b818637b84)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-23 14:58:13 +01:00
Michael Niedermayer
4b0cecb457 avcodec/hevc_ps: check that VPS referenced from SPS exists 
This matches how its done for SPS/PPS.
An alternative to this is to check it when its used.

Fixes null pointer dereference
Fixes: signal_sigsegv_e30a43_1437_CIP_A_Panasonic_3.bit
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit d66bab0a69)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-07 23:47:39 +01:00
Mickaël Raulet
0ddd3c5ba6 hevc: add decode hrd 
(cherry picked from commit ab4061dff796b1dd2bc884101226aab48c2c875e)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-27 23:50:35 +01:00
Mickaël Raulet
2707cca78f hevc: cosmetic change(cherry picked from commit 3b57513b3f39c04337801fb9d159c7ca8dfa9deb) 
Decreases the difference to Anton Khirnovs patch v5

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-27 23:48:11 +01:00
Mickaël Raulet
3c3ece24ea hevc : cosmetic changes(cherry picked from commit 7308c0ccf13f18cebe4851e6dcd6b5c0b09be1dd) 
Decreases the difference to Anton Khirnovs patch v5

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-27 23:45:34 +01:00
Mickaël Raulet
0c8aba3842 hevc: add wavefront parallel processing 
cherry picked from commit b971f2c8fdc60f8bab605a6e8060492eb548a53a
cherry picked from commit e57b0a2c915ce6b8a9d57b8292f6581f0680842e

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-22 20:20:40 +02:00
Reimar Döffinger
c9a22d69af hevc: Initialize sample aspect to valid value. 
Without this, it is 0/0 by default, which is not allowed.
This sets it to 0/1, which means "undefined".

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2013-10-20 12:17:09 +02:00
Mickaël Raulet
a7e300649a hevc: fix pcm with different chroma luma bit widths(cherry picked from commit 6a444516f338424d062c0ef2806714036283603b) 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-17 02:42:11 +02:00
Mickaël Raulet
b494894390 hevc: optimize residual coding(cherry picked from commit 70692a44708157b4dfa50e402e446bfa2b27f55e) 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-17 02:41:51 +02:00
Michael Niedermayer
af980aa4f6 lavc/hevc_ps: fix PIX_FMT enums 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-15 22:13:02 +02:00
Guillaume Martres
c8dd048ab8 lavc: add a 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>

Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-15 22:13:02 +02:00