4c6224b1cd
avcodec/mjpegdec: fix len computation in ff_mjpeg_decode_dqt()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 81cf910856
2015-05-21 20:43:38 +02:00
345962121d
avcodec/mjpegdec: Skip blocks which are outside the visible area
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Fixes out of array accesses
Fixes: ffmpeg_mjpeg_crash.avi
Found-by: Thomas Lindroth <thomas.lindroth@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 08509c8f86
2015-02-12 17:10:36 +01:00
58096b70fa
avcodec/mjpegdec: Check number of components for JPEG-LS
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Fixes out of array accesses
Fixes: asan_heap-oob_1c1a4ea_1242_cov_2274415971_TESTcmyk.jpg
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit fabbfaa095
2015-02-12 17:10:36 +01:00
0ae93844d0
avcodec/mjpegdec: Check escape sequence validity
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Fixes assertion failure
Fixes: asan_heap-oob_1c1a4ea_1242_cov_2274415971_TESTcmyk.jpg
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit afa92907f3
2015-02-12 17:10:36 +01:00
970a8f1c25
avcodec/mjpegdec: Fix integer overflow in shift
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Fixes: signal_sigabrt_7ffff6ac7bb9_2683_cov_4120310995_m_ijpg.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-11-27 19:30:31 +01:00
0eecf40935
avcodec/mjpegdec: Fix context fields becoming inconsistent
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Fixes out of array access
Fixes: asan_heap-oob_1ca4f85_2760_cov_144449187_miss_congeniality_pegasus_ljpg.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-11-25 13:54:20 +01:00
172d22a071
avcodec/mjpegdec: Add YUVA420 formats to *scale asserts
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Fixes assertion failure
Fixes: signal_sigabrt_7ffff6ac7bb9_2042_cov_2593130068_ef1f8a057bb6056674fad92f6b8c0acd.jpg
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-11-25 01:42:39 +01:00
03a17f2bbf
avcodec/mjpegdec: Print the number of bits in the unsupported pixel format error
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-11-25 01:34:32 +01:00
0bf416f262
avcodec/mjpegdec: Check for pixfmtid 0x42111100 || 0x24111100 with more than 8 bits
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These cases are not supported yet
Fixes assertion failure
Fixes: signal_sigabrt_7ffff6ac7bb9_1_cov_1553101927_00.jpg
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-11-25 01:23:21 +01:00
2f6550bb9a
avcodec/mjpegdec: fix pixfmtid 0x14111100
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Fixes part of Ticket 2004
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-11-22 19:38:43 +01:00
4243415741
avcodec/mjpegdec: Support some subsampled GBR variants
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Fixes Ticket4045
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-11-18 05:10:21 +01:00
960c573cc5
avcodec/mjpegdec: support pix fmt id 0x22111111
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Fixes: 4163724_300.jpg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-11-07 15:37:11 +01:00
c53a1507aa
Merge commit '199d9f995da53fe2507821f6d96bbc692574e1a9'
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* commit '199d9f995da53fe2507821f6d96bbc692574e1a9':
mjpegdec: fix undefined shift
Conflicts:
libavcodec/mjpegdec.c
See: b432960528
2014-11-06 18:28:49 +01:00
199d9f995d
mjpegdec: fix undefined shift
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Add a comment to explain the code.
CC: libav-stable@libav.org
Bug-Id: CID 1194388
2014-11-06 10:44:46 -05:00
c5ffd7aee5
avcodec/mjpegdec: use FF_CEIL_RSHIFT() for width
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No testcase known
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-10-22 02:28:54 +02:00
d5a3a20d1e
avcodec/mjpegdec: simplify chroma_height calculation
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-10-21 21:36:17 +02:00
059c842818
avcodec/mjpegdec: Support 24111100 pix fmt id
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Fixes 129533924_640.jpg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-10-21 16:41:47 +02:00
0db1f2c2c7
avcodec/mjpegdec: sanity check bits
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Fixes undefined shift
Fixes: asan_heap-oob_16668e9_2_asan_heap-oob_16668e9_346_miss_congeniality_pegasus_mjpg.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-10-12 00:28:07 +02:00
5c378d6a6d
avcodec/mjpegdec: check bits per pixel for changes similar to dimensions
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Fixes out of array accesses
Fixes: asan_heap-oob_16668e9_2_asan_heap-oob_16668e9_346_miss_congeniality_pegasus_mjpg.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-10-03 02:18:13 +02:00
b96d864fd6
avcodec/mjpegdec: Fix chroma width rounding
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Fixes vertical line at the right side
Fixes Ticket 3929
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-13 20:25:27 +02:00
1654ca7d4e
avcodec/mjpegdec: fix rounding of chroma_height
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Fixes green line at the bottom
Fixes Ticket3913
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-09-06 03:13:57 +02:00
f0d4f00f24
avcodec/mjpegdec: fix green line at the bottom with upscale v
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-31 15:33:30 +02:00
63a52ca134
avcodec/mjpegdec: fix green vertical line at the right with upscale h
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Fixes Ticket3891
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-31 15:16:36 +02:00
5c7899a483
avcodec/mjpegdec: Support AV_PIX_FMT_YUV420P16 with upscale_h
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Fixes assertion failure
Fixes: test42f.jpg
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-14 16:20:55 +02:00
c68098ba4a
avcodec/mjpegdec: add pix_fmt: 0x14121200
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Fixes: _15801_F.jpg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-22 18:07:44 +02:00
ef7e8425e8
avcodec/mjpegdec: factorize some parts of the pix_fmt_id switch()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-01 23:28:18 +02:00
784e1cf76b
avcodec/mjpegdec: handle luma upscale detection generically
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-01 23:26:19 +02:00
64d98dadc7
avcodec/mjpegdec: set upscale_h/upscale_v using generic code instead of hardcoding a list
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Some code is left to handle corner cases
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-01 22:54:57 +02:00
7558e55345
avcodec/mjpegdec: Support pix_fmt_id==0x11222200
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Fixes: 4858286_300.jpg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-01 22:12:20 +02:00
cd417d947e
avcodec/mjpegdec: fix width for non chroma in rescaling
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-01 22:09:19 +02:00
4e09300ffa
mjpegdec: Support pix_fmt_id == 0x22112200
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Fixes 4780490_300.jpg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-01 21:47:54 +02:00
581b5f0b9b
Merge commit 'e3fcb14347466095839c2a3c47ebecff02da891e'
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* commit 'e3fcb14347466095839c2a3c47ebecff02da891e':
dsputil: Split off IDCT bits into their own context
Conflicts:
configure
libavcodec/aic.c
libavcodec/arm/Makefile
libavcodec/arm/dsputil_init_arm.c
libavcodec/arm/dsputil_init_armv6.c
libavcodec/asvdec.c
libavcodec/dnxhdenc.c
libavcodec/dsputil.c
libavcodec/dvdec.c
libavcodec/dxva2_mpeg2.c
libavcodec/intrax8.c
libavcodec/mdec.c
libavcodec/mjpegdec.c
libavcodec/mjpegenc_common.h
libavcodec/mpegvideo.c
libavcodec/ppc/dsputil_altivec.h
libavcodec/ppc/dsputil_ppc.c
libavcodec/ppc/idctdsp.c
libavcodec/x86/Makefile
libavcodec/x86/dsputil_init.c
libavcodec/x86/dsputil_mmx.c
libavcodec/x86/dsputil_x86.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-07-01 15:22:11 +02:00
e3fcb14347
dsputil: Split off IDCT bits into their own context
2014-06-30 07:58:46 -07:00
2deb614272
mjpegdec: Properly set the context colorspace info
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The JPEG spec requires it to be this.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2014-06-24 20:42:40 +01:00
c11043aca7
mjpegdec: Properly set the context colorspace info
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The JPEG spec requires it to be this.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2014-06-24 20:40:44 +01:00
0dceefc5fa
Merge commit '9e500efdbe0deeff1602500ebc229a0a6b6bb1a2'
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* commit '9e500efdbe0deeff1602500ebc229a0a6b6bb1a2':
Add av_image_check_sar() and use it to validate SAR
Conflicts:
libavcodec/dpx.c
libavcodec/dvdec.c
libavcodec/ffv1dec.c
libavcodec/utils.c
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-20 22:20:28 +02:00
9e500efdbe
Add av_image_check_sar() and use it to validate SAR
2014-06-20 10:39:33 -04:00
2b05db4f81
Merge commit 'e74433a8e6fc00c8dbde293c97a3e45384c2c1d9'
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* commit 'e74433a8e6fc00c8dbde293c97a3e45384c2c1d9':
dsputil: Split clear_block*/fill_block* off into a separate context
Conflicts:
configure
libavcodec/asvdec.c
libavcodec/dnxhddec.c
libavcodec/dnxhdenc.c
libavcodec/dsputil.h
libavcodec/eamad.c
libavcodec/intrax8.c
libavcodec/mjpegdec.c
libavcodec/ppc/dsputil_ppc.c
libavcodec/vc1dec.c
libavcodec/x86/dsputil_init.c
libavcodec/x86/dsputil_mmx.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-19 04:54:38 +02:00
e74433a8e6
dsputil: Split clear_block*/fill_block* off into a separate context
2014-06-18 14:07:23 -07:00
0545ef7116
avcodec/mjpegdec: Improve intel jpeg flip heuristic
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Fixes Ticket3698
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-06 01:32:22 +02:00
149be91374
avcodec/mjpegdec: request a AMV sample with non mod 16 height
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-01 04:00:47 +02:00
ec33f59fed
avcodec/mjpegdec: Support pix_fmt_id== 0x42111100
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Fixes: 538782_300.jpg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-05-28 16:36:04 +02:00
aff352be63
avcodec/mjpegdec: zero gb to silence warning about it being possibly uninitialized
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The code is not speed relevant, also its more robust if the pointers are NULL instead of random.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-05-08 17:37:40 +02:00
8532566e80
avcodec/mjpegdec: use av_mallocz_array()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-04-30 18:26:28 +02:00
e31727bd53
avcodec/mjpegdec: make type of shift unsigned to avoid undefined behavior
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Found-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-04-28 00:22:38 +02:00
b432960528
avcodec/mjpegdec: Fix undefined shift
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Fixes CID1194388
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-04-27 05:32:56 +02:00
ced0d6c14d
Use correct msvc type specifiers for ptrdiff_t and size_t.
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The Windows runtime aborts if it finds %t or %z.
Fixes ticket #3472 .
Reviewed-by: Ronald Bultje
2014-04-24 18:01:30 +02:00
591c0c26b5
mjpeg: cosmetics: indentation
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2014-04-18 12:41:17 -04:00
39ef000e19
mjpeg: Do not fail jpeg decoding on bad EXIF data.
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It is not required to correctly decode the image.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2014-04-18 12:41:10 -04:00
8c161d7884
lavc/exif: Make EXIF IFD decoding part of private API/ABI.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-04-05 03:31:56 +02:00
Michael Niedermayer
Vittorio Giovara
Clément Bœsch
Przemysław Sobala
Diego Biurrun
Derek Buitenhuis
Justin Ruggles
Carl Eugen Hoyos
Thilo Borgmann