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20 Commits

Author SHA1 Message Date
Andreas Rheinhardt
2934a4b9a5 Remove unnecessary avassert.h inclusions 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2021-07-22 15:02:30 +02:00
Michael Niedermayer
da8c86dd8b avcodec/cfhd: Keep track of which subbands have been read 
This avoids use of uninitialized data
also several checks are inside the band reading code
so it is important that it is run at least once

Fixes: out of array accesses
Fixes: 28209/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-5684714694377472
Fixes: 32124/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-5425980681355264
Fixes: 30519/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-4558757155700736

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-04-03 19:27:21 +02:00
Michael Niedermayer
20473a93d2 avcodec/cfhd: Check transform_type consistently 
Fixes: out of array accesses
Fixes: 29754/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-6333598414274560
Fixes: 30519/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-6298424511168512
Fixes: 30739/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-5011292836462592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-04-03 19:27:21 +02:00
Michael Niedermayer
2359656da2 avcodec/cfhd: Replace a few literal numbers by named constants 
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-08-30 16:18:37 +02:00
Paul B Mahol
389cc142fb avcodec/cfhd: add x86 SIMD 
Overall speed changes for 1920x1080, yuv422p10le, 60fps from: 0.19x to 0.343x
 2020-08-26 21:13:38 +02:00
Paul B Mahol
17d1454a5f avcodec/cfhd: log version tags too 2020-08-09 18:47:29 +02:00
Paul B Mahol
fc3546bece avcodec/cfhd: read prescale table tag 
Currently unused. Remove prescale shift tag as it
is not part of this codec.
 2020-08-09 18:47:29 +02:00
Paul B Mahol
1006a21512 avcodec/cfhd: add 3d transform support 
Based on Gagandeep Singh patch.
 2020-08-08 12:03:43 +02:00
Paul B Mahol
1c6a010e3b avcodec/cfhd: remove some unused or only write items 2020-08-08 12:03:43 +02:00
Paul B Mahol
a96506f017 avcodec/cfhdenc: also write FrameNumber tag 2020-08-08 12:03:43 +02:00
Paul B Mahol
acaed62ad1 avcodec/cfhd: correct 71 tag usage 
It stores input format and never codebook.
 2020-08-03 22:45:17 +02:00
Paul B Mahol
05e58ce4e2 avcodec/cfhd: use LUT for 9 and 18 codebook decompanding 
Also fix codebook 9 decompanding, fixing artifact with codebook 9
samples. Reused Gagandeep Singh patch.
 2020-08-03 22:22:07 +02:00
Paul B Mahol
4e27817629 avcodec: add CFHD encoder 2020-08-02 09:33:24 +02:00
Michael Niedermayer
4a657acaef avcodec/cfhd: Use bytestream2 for peaks 
This fixes out of array accesses
No testcase known

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-18 13:59:25 +02:00
Gagandeep Singh
9cefb9e7ec lavc/cfhd: interlaced frame decoding added 
ticket #5522 output of given samples significantly improved
 2018-05-27 15:16:45 +01:00
James Almer
d2917501c2 avcodec/cfhd: support cropped height tag 
Ported from libav. Authored by one of the following:

Anton Khirnov <anton@khirnov.net>
Diego Biurrun <diego@biurrun.de>
Vittorio Giovara <vittorio.giovara@gmail.com>

Reviewed-by: kierank
Signed-off-by: James Almer <jamrial@gmail.com>
 2017-10-18 11:01:17 -03:00
James Almer
6007f7d466 Merge commit '5f794aa1653aa04c1da7397e9ccacad947fadf5f' 
* commit '5f794aa1653aa04c1da7397e9ccacad947fadf5f':
  Add Cineform HD Decoder

See 3485332bf9.

Some cosmetics are merged. The refactoring is not merged at the
request of Kieran Kunhya.

Merged-by: James Almer <jamrial@gmail.com>
 2017-10-17 20:28:59 -03:00
Kieran Kunhya
5f794aa165 Add 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.

Further fixes and refactorings by Anton Khirnov <anton@khirnov.net>,
Diego Biurrun <diego@biurrun.de>, Vittorio Giovara <vittorio.giovara@gmail.com>

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2017-03-09 18:37:29 +01:00
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
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