FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	04da0d2586	avcodec/hevc_ps: Move log2_ctb_size checks up to prevent undefined shift operations Fixes CID1292293 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	65e5032955	avcodec/hevc_ps: Explicitly check num_tile_* for negative values This fixes nothing but maybe helps coverity which does not see that this is failing later Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	b195aa5d52	avcodec/hevc_ps: Check vps_num_hrd_parameters Fix CID1239052 part2 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	16c95b1073	avcodec/hevc_ps: More completely check vps_num_layer_sets Fixes CID1239052 part1 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	0e7444f6e4	avcodec/hevc: Remove current_sps The variable should not be needed anymore Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
James Almer	ba625dd8a1	avcodec: use av_mod_uintp2() where useful Reviewed-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: James Almer <jamrial@gmail.com>	10 years ago
Anton Khirnov	df528b11ac	hevc: make sure no dangling pointers remain around on VPS/SPS change	10 years ago
Anton Khirnov	ce0bc09ee2	hevc: do not change the VPS if its contents are the same This is the same as is done for SPS.	10 years ago
Michael Niedermayer	06c70d4537	avcodec/hevc_ps: Check cropping parameters more correctly Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Anton Khirnov	5127c00b97	hevc: zero the correct variables on invalid crop parameters It's the output_window that is applied to the output frame, not pic_conf_win	10 years ago
Michael Niedermayer	701c965a76	avcodec/hevc_ps: Check that log2_ctb_size is not smaller than the bounds of all profiles Fixes: unaligned memory access Fixes: signal_sigsegv_3344165_576_cov_3406448105_DBLK_A_MAIN10_VIXS_2.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Suggested-by: Christophe Gisquet <christophe.gisquet@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	205b2ba3d6	avcodec/hevc_ps: Sanity checks for some log2_* values log2 values which imply numeric overflow are not supported Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Mickaël Raulet	7cf6a67ef9	avcodec/hevc: adding support for monochrome sequences in hevc cherry picked from commit 8e50557707d2ec11ccad657470b2e140f314348e Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	3281fa8925	avcodec/hevc_ps: Check diff_cu_qp_delta_depth Fixes undefined behavior Fixes: asan_static-oob_17aa046_582_cov_1577759978_DBLK_G_VIXS_1.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	1adc1b97e1	avcodec/hevc_ps: Add context to av_log() call Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	ea38e5a6b7	avcodec/hevc_ps: Check num_long_term_ref_pics_sps Fixes out of array access Fixes: signal_sigsegv_35bd0f0_1182_cov_791726764_STRUCT_B_Samsung_4.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	57e5812198	avcodec/hevc_ps: More complete window reset Fixes out of array read Fixes: signal_sigsegv_35bcf26_471_cov_2806540268_CAINIT_A_SHARP_4.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	9f9440bd81	avcodec/hevc_ps: Check return code from pps_range_extensions() Fixes out of array read Fixes: asan_heap-oob_177e222_885_cov_1532528832_MERGE_D_TI_3.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	852aaead1f	avcodec/hevc_ps: Check default display window bitstream and skip if invalid Fixes Ticket4035 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	cbb277988a	avcodec/hevc_ps: Always initialize backup in decode_vui() Fixes CID1237283 Reviewed-by: Christophe Gisquet <christophe.gisquet@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	aaaf7261b7	avcodec/hevc_ps: fix 1 vs. 0 typo Found-by: Timothy Gu <timothygu99@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Christophe Gisquet	0625a38066	hevc_ps: check overflow and test alternate syntax Some streams were found to have what appeared to be truncated SPS. Their syntax seem to be valid at least until the end of the VUI, so try that syntax if the parsing would overflow the SPS in the conforming syntax. Fixes ticket #3872. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	7caacc50ae	avcodec/hevc_ps: do cleanup in case of unsupported bit depth Fixes memleak Fixes CID1231989 Reviewed-by: Timothy Gu <timothygu99@gmail.com> Reviewed-by: Mickaël Raulet <mraulet@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Christophe Gisquet	5ec85c9750	hevc: do generic validation of bitstream After finishing parsing VPS/SPS/PPS/slice header, check remaining bits, and if an overconsumption occurred, report invalid data. Liked-by: BBB Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Christophe Gisquet	0d0d24af01	hevc_ps: verify P/T/L information This makes the SPS parsing a little, but barely, safer. Reviewed-by: Mickaël Raulet <mraulet@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Mickaël Raulet	37822a566f	hevc/rext: remove warning for cross component prediction cherry picked from commit fb595102593c94179502bb1967f978a1d99cc7cb Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Mickaël Raulet	627c044f50	hevc/rext: fixing rdpcm and scaling list for Range Extension -new rext bitstreams: PERSIST_RPARAM_A_RExt_Sony_1.bit ok = QMATRIX_A_RExt_Sony_1.bit ok = SAO_A_RExt_MediaTek_1.bit ok = (cherry picked from commit cdea029d452c521f8e5bcbe589f44b13a4011604) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	d13a731fc1	avcodec/hevc_ps: Check abs_delta_rps Fixes integer overflow Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	ba80b8d29b	avcodec/hevc: check nb_cpb Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Mickaël Raulet	fdb20db642	hevc/rext: put a warning log message instead of an error log message cherry picked from commit 243cb99cff727d6a14c32cdff2748f6c255dbaf4 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	0fc2045d5f	avcodec/hevc_ps: prevent stale pointer in malloc failure case Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Mickaël Raulet	5a41999d81	hevc/rext: basic infrastructure for supporting range extension - support for 4:2:2 and 4:4:4 up to 12 bits - add a new profile for range extension (cherry picked from commit d3c067fa65bbc871758d28aa07f54123430ca346) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	10 years ago
Michael Niedermayer	ccd6911c18	avcodec/hevc_ps: do not loose all reference to pointers still in use Fixes leaving a pointer to unreferenced memory Fixes Ticket 3115 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	66558fe715	avcodec/hevc_ps: Check layer_id_included_flags count Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	6935ae22ed	avcodec/hevc_ps: more complete check for vps_max_dec_pic_buffering Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Anton Khirnov	17e9d52c8c	hevc_ps: remove a write-only variable	11 years ago
Gildas Cocherel	a0e1c3517a	hevc: remove unused array min_cb_addr_zs Signed-off-by: Anton Khirnov <anton@khirnov.net>	11 years ago
Kieran Kunhya	9b60d91979	hevc: Allow out of bound values for num_reorder_pics This fixes decoding for a sample that cannot be shared Signed-off-by: Anton Khirnov <anton@khirnov.net>	11 years ago
gcocherel	ba70563d55	hevc/pps: optimized size of min_tb_addr_zs reduce computation too (cherry picked from commit 39c4d45c7788081c45c7fae51b7c5d0bcbaece9d) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
gcocherel	f7f1f4c7ce	avcodec/hevc_ps: remove min_cb_addr_zs (cherry picked from commit ff7926d5092f9d4158108963e977e8c992322ba4) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Kieran	bc21260e64	hevc: Fix 4K sample video Reviewed-by: smarter Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
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	11 years ago
Michael Niedermayer	920c01adce	hevc: Use get_bits_long() in decode_vui() Fix assertion failure. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind	11 years ago
Luca Barbato	175e506332	hevc: Mention the missing SPS in the error message	11 years ago
Michael Niedermayer	b818637b84	avcodec/hevc_ps: Use get_bits_long() in decode_vui() Fix assertion failure Fixes: a225222ef88a0f5b1e93e1d0432debc3-asan_static-oob_124a17d_1448_cov_77608227_DBLK_E_VIXS_1.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
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	11 years ago
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	11 years ago
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>	11 years ago
Michael Niedermayer	ab296c7a9f	avcodec/hevc_ps: Override max_dec_pic_buffering when its inconsistent with num_reorder_pics Fixes Ticket3304 Alternatively max_dec_pic_buffering could be removed completely as its not used. Based on a patch by Jose Santiago <santiago@haivision.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	d66bab0a69	avcodec/hevc_ps: check that VPS referenced from SPS exists This matches how its done for SPS/PPS. An alternative to this is to check it when its used. Fixes null pointer dereference Fixes: signal_sigsegv_e30a43_1437_CIP_A_Panasonic_3.bit Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago

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92 Commits (d7a762553c6f6c422adb6632354bcc4ff577b701)