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18 Commits
Author SHA1 Message Date
Andreas Rheinhardt 790f793844 avutil/common: Don't auto-include mem.h 
There are lots of files that don't need it: The number of object
files that actually need it went down from 2011 to 884 here.

Keep it for external users in order to not cause breakages.

Also improve the other headers a bit while just at it.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2024-03-31 00:08:43 +01:00
Michael Niedermayer ef3b42738b avcodec/evc_ps: Check chroma_format_idc 
Fixes: out of array access
Fixes: 62678/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4858264984354816

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Kieran Kunhya <kierank@obe.tv>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2023-10-16 00:54:37 +02:00
Andreas Rheinhardt 378f1b6a39 avcodec/evc_ps: Fix leak on error 
Regression since 4565747056.
Fixes Coverity ticket #1545072.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2023-09-26 20:41:55 +02:00
Michael Niedermayer 120f74650d avcodec/evc_ps: Check cpb_cnt_minus1 and propagate error 
Fixes: out of array access
Fixes: 60949/clusterfuzz-testcase-minimized-ffmpeg_dem_EVC_fuzzer-5959738853294080

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2023-09-22 23:47:39 +02:00
James Almer 156f53e987 avcodec/evc_ps: make the sps parameter in ref_pic_list_struct const 
It's not changed.

Signed-off-by: James Almer <jamrial@gmail.com>
 2023-09-15 16:33:13 -03:00
Michael Niedermayer 4565747056 avcodec/evc_ps: Check ref_pic_num and sps_max_dec_pic_buffering_minus1 
Fixes: out of array write

Found-by: dongsookim@korea.ac.kr
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2023-09-15 17:13:54 +02:00
Michael Niedermayer cf9cd35aa9 avcodec/evc_ps: Check num_ref_pic_list_in_sps 
Fixes: out of array write
Fixes: 60798/clusterfuzz-testcase-minimized-ffmpeg_BSF_EVC_FRAME_MERGE_fuzzer-4633529766772736

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2023-07-28 02:12:12 +02:00
Andreas Rheinhardt 6e5e74c55b avcodec/evc*: Improve included headers 
In particular, don't include avcodec.h in evc_frame_merge_bsf.c.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2023-07-24 10:37:07 +02:00
Andreas Rheinhardt 915701939c avcodec/evc_ps: Replace av_malloc+memset by av_mallocz 
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2023-06-30 00:49:11 +02:00
James Almer ffe4ec5c84 avcodec/evc_ps: fix allowed range for pps_pic_parameter_set_id 
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-06-23 09:39:14 -03:00
James Almer 7347b44224 avcodec/evc_ps: use unsigned types in structs where corresponds 
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-06-23 08:37:23 -03:00
James Almer 2212808a72 avcodec/evc_ps: pass a GetBitContext to the SPS and PPS parsing functions 
This is in preparation for the following patch.

Signed-off-by: James Almer <jamrial@gmail.com>
 2023-06-21 13:31:14 -03:00
James Almer 5b372c7ff2 avcodec/evc_ps: use get_bits1() where useful 
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-06-19 19:43:12 -03:00
James Almer 377da83b99 avcodec/evc_ps: check valid range for a few more elements 
Should prevent overreads on non spec comformant input.

Signed-off-by: James Almer <jamrial@gmail.com>
 2023-06-19 17:21:14 -03:00
James Almer 199fc04d09 avcodec/evc_ps: use get_bits_long() where needed 
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-06-19 16:25:13 -03:00
Michael NiedermayerandJames Almer 89f98acbf8 avcodec/evc_ps: Check log2_sub_gop_length 
Fixes: 1.70141e+38 is outside the range of representable values of type 'int'
Fixes: 59883/clusterfuzz-testcase-minimized-ffmpeg_BSF_EVC_FRAME_MERGE_fuzzer-5557887217565696

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-06-19 16:00:55 -03:00
James Almer 921596e677 avcodec/evc_ps: make ff_evc_parse_{sps,pps} return an error code 
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-06-19 16:00:55 -03:00
James Almer 1e189fed7a avcodec/evc_parse: split off Parameter Set parsing into its own file 
Signed-off-by: James Almer <jamrial@gmail.com>
 2023-06-19 12:57:31 -03:00