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237 Commits

Author SHA1 Message Date
Michael Niedermayer
d5e9fc7821 avcodec/tiff: move bpp check to after "end:" 
This ensures that all current and future code-pathes get bpp checked

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-08 23:36:46 +01:00
Michael Niedermayer
9889762a9b Merge commit 'ae5e1f3d663a8c9a532d89e588cbc61f171c9186' 
* commit 'ae5e1f3d663a8c9a532d89e588cbc61f171c9186':
  tiff: Check that there is no aliasing in pixel format selection

See: e1c0cfaa41
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-03-08 23:19:30 +01:00
Anton Khirnov
ae5e1f3d66 tiff: Check that there is no aliasing in pixel format selection 
Fixes possible issues with unexpected bpp/bppcount values.

CC: libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Bug-Id: CVE-2014-8544
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2015-03-08 19:14:14 +01:00
Carl Eugen Hoyos
50144b91ea Respect horizontal differencing predictor for 16bit gray tiff images. 
Fixes ticket #4291.
 2015-01-30 14:12:55 +01:00
Michael Niedermayer
3779973a9b Merge commit 'f86f39cb9b1fcd063d5e4812132a75c06cc7acd2' 
* commit 'f86f39cb9b1fcd063d5e4812132a75c06cc7acd2':
  tiff: support decoding GBRP and GBRAP formats

Conflicts:
	libavcodec/tiff.c

See: 379ad9788b
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2015-01-15 06:11:32 +01:00
Paul B Mahol
f86f39cb9b tiff: support decoding GBRP and GBRAP formats 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2015-01-14 17:17:24 +01:00
Carl Eugen Hoyos
3a3790b8f8 tiff: support encoding and decoding 64bit images 2014-12-18 23:22:59 +01:00
Matthew Oliver
293fee4bc2 libavcodec/tiff: Fix static linking of lzma with msvc. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-11-22 22:12:19 +01:00
Michael Niedermayer
e1c0cfaa41 avcodec/tiff: more completely check bpp/bppcount 
Fixes pixel format selection
Fixes out of array accesses
Fixes: asan_heap-oob_1766029_6_asan_heap-oob_20aa045_332_cov_1823216757_m2-d1d366d7965db766c19a66c7a2ccbb6b.tif

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-10-03 16:33:06 +02:00
Michael Niedermayer
6beea6f017 avcodec/tiff: fix odd dimensioned yuv 
Fixes Ticket3893

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-09-15 01:38:02 +02:00
Benoit Fouet
4f10495055 tiff: fix {2,4}bpp grayscale palettes. 
Create a default grayscale palette for 2 or 4 bpp grayscale tiff, if
there is no palette defined.
Fixes ticket #3915

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-09-05 12:57:22 +02:00
Michael Niedermayer
ab1e431288 avcodec/tiff: Make pixel format checks tighter 
Fixes assertion failure with imgsrc001-lzma.tiff

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-24 01:55:19 +02:00
James Almer
b140b51ebb lavc/tiff: add support for LZMA compression 
Derived from deflate code.
Requires liblzma.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-24 01:21:39 +02:00
James Almer
201a511bb9 lavc/tiff: add support for YUV deflate 
Signed-off-by: James Almer <jamrial@gmail.com>
 2014-08-19 18:48:39 -03:00
James Almer
b4231b4fed lavc/tiff: move unpack_yuv() above the deflate functions 
Signed-off-by: James Almer <jamrial@gmail.com>
 2014-08-19 18:48:31 -03:00
Michael Niedermayer
f0c0ae37c6 avcodec/tiff: Check that pix_fmt is a yuv variant for TIFF_PHOTOMETRIC_YCBCR 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-19 21:09:07 +02:00
Michael Niedermayer
6ea69a8ffa avcodec/tiff: do not use photometric to detect pix_fmt 
They should match but they do not always
Fixes assertion failure
no testcase with unmodified source available

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-19 21:09:07 +02:00
Michael Niedermayer
3f0c76e262 Merge commit '12640e4cbb142be0cd025bcf37f1ea437bdfecd0' 
* commit '12640e4cbb142be0cd025bcf37f1ea437bdfecd0':
  tiff: Return proper error for missing LZMA compression

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-18 19:52:22 +02:00
Diego Elio Pettenò
12640e4cbb tiff: Return proper error for missing LZMA compression 
The LZMA support is a semi-official extension supported by libtiff 4.0.0
and later.

Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2014-08-18 14:23:24 +02:00
Michael Niedermayer
61b9ce00a3 Merge commit '2597a842a0a2c7e8aa76f32733d27bf64817ae86' 
* commit '2597a842a0a2c7e8aa76f32733d27bf64817ae86':
  tiff: Improve grayscale support

Conflicts:
	libavcodec/tiff.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-10 18:40:46 +02:00
Diego Elio Pettenò
2597a842a0 tiff: Improve grayscale support 
Only use PAL8 if palette is present, else use GRAY8 for pixfmt.

Instead of simulating a grayscale palette, use real grayscale pixels, if no
palette is actually defined.

Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 2014-08-10 15:21:44 +02:00
Michael Niedermayer
8f83fb9991 Merge commit '60cbd6ad84de0931314030b81df87b69d6196587' 
* commit '60cbd6ad84de0931314030b81df87b69d6196587':
  tiff: support reading gray+alpha at 8 bits

Conflicts:
	libavcodec/tiff.c

See: f746f37901
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-04 22:52:01 +02:00
Michael Niedermayer
47080b6d17 Merge commit 'bcc5f69b33e27b5e11aaea8304ee02f8d895cdab' 
* commit 'bcc5f69b33e27b5e11aaea8304ee02f8d895cdab':
  tiff: support reading gray+alpha at 16 bits

Conflicts:
	libavcodec/tiff.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-08-04 22:45:33 +02:00
Carl Eugen Hoyos
60cbd6ad84 tiff: support reading gray+alpha at 8 bits 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2014-08-04 12:57:39 +01:00
Vittorio Giovara
bcc5f69b33 tiff: support reading gray+alpha at 16 bits 2014-08-04 12:57:38 +01:00
Diego Biurrun
df507d5aa0 tiff: Replace deprecated PIX_FMT names by modern ones 2014-08-02 12:54:37 -07:00
Janne Grunau
a9f3f5fadb Revert "tiff: support reading gray+alpha at 8 bits" 
This reverts commit b31d76e45f as it
uses an unkown pixel format.
 2014-07-21 08:35:32 +02:00
Carl Eugen Hoyos
b31d76e45f tiff: support reading gray+alpha at 8 bits 
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 2014-07-20 23:32:13 +01:00
Michael Niedermayer
1e25afc181 avcodec/tiff: Support 410 and 440 YCbCr 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-30 17:41:31 +02:00
Michael Niedermayer
f694ca7ca7 avcodec/tiff: support 4:2:2 and 4:1:1 YCbCr 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-29 18:39:24 +02:00
Michael Niedermayer
d03defa778 avcodec/tiff: Support yuv 420 and 444 
Fixes Ticket416
Trolled-by: jb
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-27 21:03:15 +02:00
Michael Niedermayer
1ca21e1b76 avcodec/tiff: parse subsample factors 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-27 18:44:58 +02:00
Michael Niedermayer
8c88ea76df avcodec/tiff: use av_malloc(z)_array() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-20 17:32:17 +02:00
Michael Niedermayer
a94de50ba0 avcodec/exif/exif_add_metadata: add support for SSHORT & SBYTE 
No working testcase, this omission was just spoted when the parser apparently went out of
sync.

Reviewed-by; Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-20 17:01:46 +02:00
Michael Niedermayer
1dc2d4a8ef avcodec/tiff: remove unused variables 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-13 04:33:20 +02:00
Michael Niedermayer
a64d6d5152 Merge commit '345a96c327e8f2a8077189af9f5e8d2b3f4ad5fe' 
* commit '345a96c327e8f2a8077189af9f5e8d2b3f4ad5fe':
  tiffdec: remove an unneeded variable

Conflicts:
	libavcodec/tiff.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-13 03:54:11 +02:00
Michael Niedermayer
b9b2f9d218 Merge commit 'a9b046fb0ae5395c4d1d8a82cd0d3e354b5034ed' 
* commit 'a9b046fb0ae5395c4d1d8a82cd0d3e354b5034ed':
  tiff: use a better name and enum values for PhotometricInterpretation

Conflicts:
	libavcodec/tiff.c
	libavcodec/tiff.h
	libavcodec/tiffenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-13 03:45:45 +02:00
Michael Niedermayer
75b4e40137 Merge commit 'fdbe18b7b0545f9b5923d25a5433e4f735719ecc' 
* commit 'fdbe18b7b0545f9b5923d25a5433e4f735719ecc':
  tiffdec: use a single strip if RowsPerStrip is 0

Conflicts:
	libavcodec/tiff.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-13 03:30:02 +02:00
Michael Niedermayer
94cf83ff91 Merge commit '0a467a9b594dd67aa96bad687d05f8845b009f18' 
* commit '0a467a9b594dd67aa96bad687d05f8845b009f18':
  tiffdec: use bytestream2 to simplify overread/overwrite protection

Conflicts:
	libavcodec/tiff.c

See: 1ec83d9a9e
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-13 03:20:09 +02:00
Michael Niedermayer
6145b1d9c1 Merge commit 'bf2064f046af64c59a416c814474a39b0a457569' 
* commit 'bf2064f046af64c59a416c814474a39b0a457569':
  tiffdec: rename variables for consistency and fix variable shadowing

Conflicts:
	libavcodec/tiff.c

See: 251345a3fe
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-13 01:49:19 +02:00
Justin Ruggles
345a96c327 tiffdec: remove an unneeded variable 2014-04-12 14:52:10 -04:00
Jean First
e75ef2b7f4 tiffdec: support predictor type 2 with RGB48 pixel format 2014-04-12 14:52:10 -04:00
Justin Ruggles
a9b046fb0a tiff: use a better name and enum values for PhotometricInterpretation 
Also add additional known values and log as missing features.
 2014-04-12 14:52:07 -04:00
Justin Ruggles
fdbe18b7b0 tiffdec: use a single strip if RowsPerStrip is 0 
The spec does not specify that 0 is an error condition, and there
are samples which use 0 when the whole image is in one strip.
 2014-04-12 14:49:08 -04:00
Justin Ruggles
0a467a9b59 tiffdec: use bytestream2 to simplify overread/overwrite protection 
Based on a patch by Paul B Mahol <onemda@gmail.com>

CC:libav-stable@libav.org
 2014-04-12 14:49:08 -04:00
Jean First
bf2064f046 tiffdec: rename variables for consistency and fix variable shadowing 
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
 2014-04-12 14:49:07 -04:00
Justin Ruggles
58bc38a5f2 tiffdec: use correct data type for palette entries and set alpha to 0xFF 2014-04-12 14:49:07 -04:00
Carl Eugen Hoyos
993a5afaad Read aspect ratio from tiff image files. 2014-04-07 15:30:48 +02:00
Sylvain Fabre
526049ce61 Issue-#3407 : Enhance precision for double to string conversion, useful for GEOTIFF double values 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-23 13:03:18 +01:00
Michael Niedermayer
a744064c41 avcodec/tiff: reset geotag_count in free_geotags() 
Fixes null pointer dereference
Fixes: signal_sigsegv_19d922e_3688_cov_1577641655_aletrek_tiff.mov
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-02 01:48:34 +01:00