FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	ab834b8f36	avcodec/g2meet: ask for sample with overflowing RGB Suggested-by: Tomas Härdin <tjoppen@acc.umu.se> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	7 years ago
Michael Niedermayer	4dd2c8b9ea	avcodec/g2meet: Check RGB upper limit Fixes: runtime error: left shift of 1876744317 by 16 places cannot be represented in type 'int' Fixes: 6799/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5115274731716608 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	7 years ago
Michael Niedermayer	0a47451458	avcodec/g2meet: Change order of operations to avoid undefined behavior Fixes: signed integer overflow: 65280 * 196032 cannot be represented in type 'int' Fixes: 7279/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5977332473921536 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	7 years ago
Michael Niedermayer	0bd0401336	avcodec/elsdec: Fix memleaks Fixes: 6798/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5135899701542912 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	7 years ago
Michael Niedermayer	3981fb8d2a	avcodec/g2meet: Check tile dimensions with av_image_check_size2() Fixes: OOM Fixes: 6216/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-4983807968018432 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	7 years ago
Martin Vignali	cbbec68847	libavcodec/blockdsp : add AVX version Also modify the required alignment, to 32 instead of 16 for several codecs Signed-off-by: James Almer <jamrial@gmail.com>	7 years ago
Luca Barbato	73fc82f343	vlc: Add header #include when the types are used Do not rely on indirectly including it from bitstream.h. Signed-off-by: Diego Biurrun <diego@biurrun.de>	8 years ago
Diego Biurrun	dcc39ee10e	lavc: Remove deprecated XvMC support hacks Deprecated in 11/2013.	8 years ago
Diego Biurrun	a25dac976a	Use bitstream_init8() where appropriate	8 years ago
Alexandra Hájková	799703c3ea	g2meet: Convert to the new bitstream reader Signed-off-by: Anton Khirnov <anton@khirnov.net>	8 years ago
Diego Biurrun	67deba8a41	Use avpriv_report_missing_feature() where appropriate	8 years ago
Carl Eugen Hoyos	144ef773c7	Use correct msvc type specifiers for ptrdiff_t and size_t.	9 years ago
Michael Niedermayer	030c7f0309	avcodec/g2meet: Check for ff_els_decode_bit() failure in epic_decode_run_length() Fixes invalid shift Fixes: g2m_left_shift_2.wmv Found-by: Piotr Bandurski <ami_stuff@o2.pl> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Vittorio Giovara	3a4d369ea4	g2m: Relax resolution change constraints Do not fail when original resolution is smaller than current one, as the frame buffer is resized automatically. Signed-off-by: Vittorio Giovara <vittorio.giovara at gmail.com>	9 years ago
Michael Niedermayer	fb04666995	avcodec/g2meet: Also clear tile dimensions on header_fail Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	71ec8e1ed6	avcodec/g2meet: Fix potential overflow in tile dimensions check Fixes CID1322351 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	b1e242bc56	avcodec/g2meet: Check R/G/B values in epic_decode_pixel_pred() Fixes: asan_double-free_d34593_861_smp3.wmv Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	9 years ago
Michael Niedermayer	80e42387dc	avcodec/g2meet: Clear pointers after deallocation Fixes double free Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Janne Grunau	9eec23b8a7	g2meet: use av_ceil_log2 instead of a custom function	10 years ago
Janne Grunau	4ccccd6c40	g2meet: use an unsigned type for the djb hash	10 years ago
Kostya Shishkov	08c2d8f0aa	Go2Meeting decoder ELS and ePIC decoder courtesy of Maxim Poliakovski, cleanup and integration by Diego Biurrun. Signed-off-by: Diego Biurrun <diego@biurrun.de> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	10 years ago
Michael Niedermayer	b1b0baa3d6	avcodec/g2meet: Check init_get_bits8() return value Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	43e94d5af4	avcodec/g2meet: Use init_get_bits8() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Eric Zimmerman	eb31256f12	g2meet: Support G2M5 codec variant Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>	10 years ago
Diego Biurrun	bb815dfc38	g2meet: K&R formatting cosmetics	10 years ago
Diego Biurrun	4978850ca2	build: Split JPEG-related tables off into a separate component	10 years ago
Michael Niedermayer	2c22042aa0	avcodec/g2meet: Use av_mallocz_array() for framebuffer allocation Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Vittorio Giovara	2b5c1efa14	g2meet: check ff_set_dimensions return value CC: libav-stable@libav.org Bug-Id: CID 1135739	10 years ago
Michael Niedermayer	32e666c354	avcodec/g2meet: check tile dimensions to avoid integer overflow Fixes out of array access Fixes: asan_heap-oob_12a55d3_30_029.wmv Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Eric Zimmerman	4ba5420e4d	Added support for G2M5 codec This has also been independently found and fixed similarly by carl in f4a3bbf4a3cd375121ea2495817f3e50e831ed48 The 2nd magic check is taken from carls implementation Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Vittorio Giovara	14b4e64eab	g2meet: allow size changes within original sizes	10 years ago
Diego Biurrun	e3fcb14347	dsputil: Split off IDCT bits into their own context	11 years ago
Diego Biurrun	e74433a8e6	dsputil: Split clear_block/fill_block off into a separate context	11 years ago
Diego Biurrun	cba4e6062a	More correct printf format specifiers This avoids compiler warnings about argument and specifier type mismatch.	11 years ago
Diego Biurrun	cc8163e1a3	avcodec: more correct printf specifiers	11 years ago
Diego Biurrun	a801453423	g2meet: K&R formatting cosmetics	11 years ago
Michael Niedermayer	8b8ae298af	avcodec/g2meet: also reset local got_header when reseting the context got_header Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	6b53c1aa82	avcodec/g2meet: fix error returns Fixes out of array accesses This should not affect any release Fixes: 8ab69af9e5a7a7e20fe04cdd25c0d6e7-asan_heap-oob_e72b82_5505_cov_2278389485_g2m4.wmv Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Maxim Poliakovski	77fbc03265	g2meet: validate bpp and bitmasks in the display info Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>	11 years ago
Kostya Shishkov	6477449243	g2meet: make JPEG tile decoder operate on 8x8 block mask This is needed for upcoming Go2Meeting (G2M2/G2M3) decoder.	11 years ago
Maxim Poliakovski	d6d7851801	g2meet: factor out seeking to the chunk end Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>	11 years ago
Maxim Poliakovski	bc3f03567a	g2meet: rename FRAME_INFO to more appropriate DISPLAY_INFO Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>	11 years ago
Maxim Poliakovski	ae95b2f810	g2meet: Validate bpp and bitmasks in the display info That prevents processing of media files with incompatible or unsupported settings. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Maxim Poliakovski	3f826039dd	g2meet: factor out chunk seeking This version requires fewer code and is safer. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Maxim Poliakovski	cb2162adba	g2meet: Rename FRAME_INFO to more appropriate DISPLAY_INFO Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	3af9d8269e	avcodec/g2meet: check the return code of ff_set_dimensions() This is currently redundant as the checks before it are tighter than the checks in ff_set_dimensions() but its more robust not to depend on that. Fixes CID1135739 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Alexandra Khirnova	9b8d11a76a	avcodec: Use av_reallocp where suitable Signed-off-by: Martin Storsjö <martin@martin.st>	11 years ago
Kostya Shishkov	01f6df01b6	go2meeting: disallow tile dimensions that are not multiple of 16 Original decoder seems to always use 176x128 tiles anyway and this helps avoiding lots of issues with odd tile sizes in fuzzed files. Signed-off-by: Anton Khirnov <anton@khirnov.net>	11 years ago

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91 Commits (a271025215528c68d010d27bae976033e1c46f92)