FFmpeg

Commit Graph

Author	SHA1	Message	Date
Paul B Mahol	05df39cf3f	avcodec/tiff: check ff_lzw_decode_open() for failure	6 years ago
Michael Niedermayer	27f80ab016	avcodec/tiff: Update pointer only when the result is used Fixes: runtime error: signed integer overflow: 538976288 * 32 cannot be represented in type 'int' Fixes: 2310/clusterfuzz-testcase-minimized-4534784887881728 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	22a25ab389	avcodec/tiff: Fix leak of geotags[].val Fixes: 2176/clusterfuzz-testcase-minimized-5908197216878592 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	d7cbeab4c1	avcodec/tiff: Avoid loosing allocated geotag values Fixes memleak Fixes: 2076/clusterfuzz-testcase-minimized-6542640243802112 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	98256595fa	avcodec/tiff: Clear deinvert_buf_size on deallocation Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	9221445fa0	avcodec/tiff: Use av_fast_padded_malloc() in tiff_unpack_fax() Fixes: Timeout Fixes: 1213/clusterfuzz-testcase-minimized-6022987469815808 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	f08122fbe0	avcodec/tiff: reset sampling[] if its invalid Fixes divission by 0 Fixes: clusterfuzz-testcase-minimized-5592896440893440 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Muhammad Faiz	31f61b0d4f	avcodec: do not use AVFrame accessor Reviewed-by: wm4 <nfxjfg@googlemail.com> Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>	8 years ago
Michael Niedermayer	cd8e62746f	avcodec/tiff: Factor constant computation out of inner loop Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	3182e19c1c	avcodec/tiff: Check geotag count for being non zero Fixes memleak Fixes: 874/clusterfuzz-testcase-5252796175613952 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	5d996b5649	avcodec/tiff: Check stripsize strippos for overflow Fixes: 861/clusterfuzz-testcase-5688284384591872 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	cfa10e11be	avcodec/tiff: Check palette shift Fixes multiple runtime error: shift exponent 792 is too large for 32-bit type 'unsigned int' Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	108b02e547	avcodec/tiff: Check for multiple geo key directories Fixes memleak Fixes: 826/clusterfuzz-testcase-5316921379520512 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Michael Niedermayer	f48b6b8b91	avcodec/tiff: Perform multiply in tiff_unpack_lzma() as 64bit This should make no difference as the value should not be able to be that large but its more correct this way Fixes CID1348138 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	8 years ago
Andreas Cadhalpun	ed412d2850	tiff: fix overflows when calling av_reduce The arguments of av_reduce are signed, so the cast to uint64_t is misleading. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>	8 years ago
Carl Eugen Hoyos	beb877bae0	lavc/tiff: Print compression debug information.	8 years ago
Michael Niedermayer	89f464e9c2	avcodec/tiff: Check subsample & rps values more completely Fixes out of array access Fixes: 83aedfb29af669c4d6e10f1bfad974d2/asan_heap-oob_1ab42fe_4984_9f6ec14462f8d8a00ea24b320572a963.tif Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	7727f76230	avcodec/tiff: Support uncompressed G3 CCITT fax Fixes part of Ticket700 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	dd1b4ed6d9	avcodec/tiff: Support uncompressed G4 CCITT fax Fixes part of ticket700 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Vittorio Giovara	059a934806	lavc: Consistently prefix input buffer defines Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	9 years ago
Vittorio Giovara	def97856de	lavc: AV-prefix all codec capabilities Express bitfields more simply. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	9 years ago
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>	10 years ago
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>	10 years ago
Carl Eugen Hoyos	50144b91ea	Respect horizontal differencing predictor for 16bit gray tiff images. Fixes ticket #4291.	10 years ago
Paul B Mahol	f86f39cb9b	tiff: support decoding GBRP and GBRAP formats Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Carl Eugen Hoyos	3a3790b8f8	tiff: support encoding and decoding 64bit images	10 years ago
Matthew Oliver	293fee4bc2	libavcodec/tiff: Fix static linking of lzma with msvc. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
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>	10 years ago
Michael Niedermayer	6beea6f017	avcodec/tiff: fix odd dimensioned yuv Fixes Ticket3893 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
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>	10 years ago
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>	10 years ago
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>	10 years ago
James Almer	201a511bb9	lavc/tiff: add support for YUV deflate Signed-off-by: James Almer <jamrial@gmail.com>	10 years ago
James Almer	b4231b4fed	lavc/tiff: move unpack_yuv() above the deflate functions Signed-off-by: James Almer <jamrial@gmail.com>	10 years ago
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>	10 years ago
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>	10 years ago
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>	10 years ago
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>	10 years ago
Carl Eugen Hoyos	60cbd6ad84	tiff: support reading gray+alpha at 8 bits Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Vittorio Giovara	bcc5f69b33	tiff: support reading gray+alpha at 16 bits	10 years ago
Diego Biurrun	df507d5aa0	tiff: Replace deprecated PIX_FMT names by modern ones	10 years ago
Janne Grunau	a9f3f5fadb	Revert "tiff: support reading gray+alpha at 8 bits" This reverts commit `b31d76e45f` as it uses an unkown pixel format.	10 years ago
Carl Eugen Hoyos	b31d76e45f	tiff: support reading gray+alpha at 8 bits Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Michael Niedermayer	1e25afc181	avcodec/tiff: Support 410 and 440 YCbCr Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	f694ca7ca7	avcodec/tiff: support 4:2:2 and 4:1:1 YCbCr Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	d03defa778	avcodec/tiff: Support yuv 420 and 444 Fixes Ticket416 Trolled-by: jb Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	1ca21e1b76	avcodec/tiff: parse subsample factors Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	8c88ea76df	avcodec/tiff: use av_malloc(z)_array() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
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>	11 years ago
Michael Niedermayer	1dc2d4a8ef	avcodec/tiff: remove unused variables Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago

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260 Commits (b577153231ee050b04e29f3bb2ea72eca2431c60)