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15 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
Michael Niedermayer
920c01adce hevc: Use get_bits_long() in decode_vui() 
Fix assertion failure.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
 2014-03-09 08:25:39 +01:00
Luca Barbato
175e506332 hevc: Mention the missing SPS in the error message 2014-02-19 16:59:40 +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
a7a07cc98a hevc: check that VPS referenced from SPS exists 
This matches how its done for SPS/PPS.
Fixes null pointer dereference.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2014-01-21 11:57:36 +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
Guillaume Martres
78d0b7f36e hevc: warn when an unknown profile is used 
Bitstreams conforming to the spec should not use profiles not defined
in it.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-12-20 19:39:38 +01:00
Gildas Cocherel
259cddb137 hevc_ps: fix indentation 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-12-20 19:39:10 +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
Guillaume Martres
67bbaed5c4 hevc: don't check for errors in PTL code 
According to the spec, the value of XXX_reserved_zero_44bits should be
ignored, so don't report an error when it's not zero.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2013-12-20 19:36:44 +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
Yusuke Nakamura
3ef9b7ab95 hevc_ps: Use AV_PIX_FMT_YUVJ420P if YUV 4:2:0 8-bit full scale 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2013-11-04 16:19:53 +01:00
Jan Ekström
885ec92425 hevc: Use parsed VUI colorimetry in avcodec 
Also limit the parsed VUI values to known valid ones.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2013-11-04 16:03:11 +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