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23 Commits

Author SHA1 Message Date
Vodyannikov Aleksandr
47c9365724 avcodec/cfhd: Fix decoding regression due to height check 
Fixes: Ticket6546

Regression since: 54aaadf648

Reviewed-by: Muhammad Faiz <mfcc64@gmail.com>
Reviewed-by: Kieran Kunhya <kierank@obe.tv>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-07-23 14:58:29 +02:00
Michael Niedermayer
c709f009da avcodec/cfhd: Fix invalid left shift of negative value 
Fixes: runtime error: left shift of negative value -1
Fixes: 2395/clusterfuzz-testcase-minimized-6540529313513472

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-28 23:39:11 +02:00
Michael Niedermayer
6f1d2355a7 avcodec/cfhd: Check bpc before setting bpc in context 
Fixes: runtime error: shift exponent 32 is too large for 32-bit type 'int'
Fixes: 2306/clusterfuzz-testcase-minimized-5002997392211968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-22 01:54:40 +02:00
Michael Niedermayer
5a950f4e32 avcodec/cfhd: Fix undefined shift 
Fixes: runtime error: left shift of negative value -1
Fixes: 2303/clusterfuzz-testcase-minimized-5529675273076736

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-22 01:54:40 +02:00
Michael Niedermayer
54aaadf648 avcodec/cfhd: Check band parameters before storing them 
Fixes out of array read
Fixes: 2169/clusterfuzz-testcase-minimized-5688641642823680

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-10 18:46:27 +02:00
Michael Niedermayer
cd6f319a74 avcodec/cfhd: Fix runtime error: signed integer overflow: 65280 * 65288 cannot be represented in type 'int' 
Fixes: 1925/clusterfuzz-testcase-minimized-5564569688735744

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-06-01 22:20:16 +02:00
Michael Niedermayer
b8b3671721 avcodec/cfhd: Increase minimum band dimension to 3 
The implementation does not currently support len=2

Fixes out of array accesses
Fixes: 29d1b3db5ba2205e82b0b3a533e057a3/asan_heap-oob_12b650c_9254_3b8c4e4d931eb2c32841c18ebb297f1d.avi

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-08-19 22:28:32 +02:00
James Almer
d688f39dc4 cosmetics: fix some misspelled words 
Signed-off-by: James Almer <jamrial@gmail.com>
 2016-07-17 13:10:27 -03:00
Michael Niedermayer
056a4ae771 avcodec/cfhd: Set dimensions unconditionally 
Fixes Ticket5215

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-06-10 22:05:38 +02:00
Michael Niedermayer
5fb6e39dd1 avcodec/cfhd: clear idwt_buf on allocation 
This avoids use of uninitialized variables and might make bugs in general
easier to reproduce

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-06-05 15:41:50 +02:00
dsmudhar
84417593b9 libavcodec/cfhd: fixed wrong printf format 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-05-23 05:39:37 +02:00
Kieran Kunhya
e9a9ca1936 avcodec/cfhd: Don't decode coefficients if no end of header tag found. Fixes fuzzed files such as the one in in ticket #5383 2016-04-28 21:33:08 +01:00
Vittorio Giovara
7888ae8266 cfhd: Do not initialize context size 
Otherwise probing and stream analisys will report a correct coded size
but an empty visible size.

Approved by: kieran
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-03-29 17:06:15 +02:00
Carl Eugen Hoyos
59793785f4 lavc/cfhd: Remove one more \n from avpriv_report_missing_feature(). 2016-03-06 21:38:41 +01:00
Carl Eugen Hoyos
719276b860 lavc/cfhd: Sanitize avpriv_report_missing_feature() usage. 2016-03-06 21:22:47 +01:00
Kieran Kunhya
247fe3e494 avcodec/cfhd: Fixes cfhd_odd.mov which has a resolution of 496x241 
In this case container width/height is better however.
Thanks to koda for the sample
 2016-03-06 12:38:07 +00:00
Kieran Kunhya
8adbe26b90 avcodec/cfhd: Add support for 12-bit RGBA. 
Plays all known samples
 2016-02-27 13:17:20 +00:00
Kieran Kunhya
0096453f70 cfhd: reallocate internal buffers on format change. 
Fixes some, but not all, of the threading fuzz crashes
 2016-02-27 12:18:06 +00:00
Kieran Kunhya
1e2fd57fc0 avcodec/cfhd: Fix errors with valid files. 2016-02-12 01:00:20 +00:00
Michael Niedermayer
bbc4d069d0 avcodec/cfhd: Check the number of tag/value pairs 
Fixes potentially long loop
Fixes: CID1351382/11

Reviewed-by: Kieran Kunhya <kieran@kunhya.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-02-12 01:52:44 +01:00
Andreas Cadhalpun
916da13d6d cfhd: fix off-by-one error in level check 
This fixes out-of-bounds writes causing segmentation faults.

Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Reviewed-by: Kieran Kunhya <kierank@obe.tv>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
 2016-02-03 01:19:45 +01:00
Kieran Kunhya
bdd8e02b72 avcodec/cfhd: Make sure we have an end of header tag before allocating a frame. 
Fixes tickets #5208 and #5209
 2016-02-01 14:20:20 +01:00
Kieran Kunhya
3485332bf9 avcodec: Cineform HD Decoder 
Decodes YUV 4:2:2 10-bit and RGB 12-bit files.
Older files with more subbands, skips, Bayer, alpha not supported.
Alpha requires addition of GBRAP12 pixel format.
 2016-01-30 17:44:13 +00:00