Michael Niedermayer
54aaadf648
avcodec/cfhd: Check band parameters before storing them
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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'
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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
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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
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Signed-off-by: James Almer <jamrial@gmail.com>
2016-07-17 13:10:27 -03:00
Michael Niedermayer
056a4ae771
avcodec/cfhd: Set dimensions unconditionally
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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
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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
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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
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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
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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.
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Plays all known samples
2016-02-27 13:17:20 +00:00
Kieran Kunhya
0096453f70
cfhd: reallocate internal buffers on format change.
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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
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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
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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.
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Fixes tickets #5208 and #5209
2016-02-01 14:20:20 +01:00
Kieran Kunhya
3485332bf9
avcodec: Cineform HD Decoder
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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
