Commits · 690c8af97bb1c9a57d5d233a5ef76409ff9b15b2 · Linshizhi / ffmpeg.wasm-core

02 Jul, 2013 28 commits

jpeg2000: Remove unneeded variable initialization · 690c8af9
Michael Niedermayer authored Jul 01, 2013
```
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
690c8af9

jpeg2000: Use separate fields for int and float codepaths · 5bf208f6

Michael Niedermayer authored Jul 01, 2013

Split stepsize and data into int and float variants.
Eliminates a number of casts and simplifies spotting errors.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

5bf208f6

jpeg2000: Split int/float codepaths depending on the DWT · a458b91c
Michael Niedermayer authored Jul 01, 2013
```
DWT53 is always int, DWT97 is always float.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
a458b91c

jpeg2000: Improve reduced resolution decoding · f9581f14

Michael Niedermayer authored Jul 01, 2013

Correctly scale down the component coordinates and
clean up some redundant code.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

f9581f14

jpeg2000: Compute quantization for 'scalar derived' in the correct case. · 952f7ed3
Michael Niedermayer authored Jul 01, 2013
```
Scalar derived case is represented by the JPEG2K_QSTY_SI define.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
952f7ed3

jpeg2000: Calculate code-block coord in ff_jpeg2000_init_component() · 4e11b155

Michael Niedermayer authored Jul 01, 2013

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Nicolas Bertrand <nicoinattendu@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

4e11b155

jpeg2000: Fix compute precedence error in lut_gain index · 4cbd5ed1
Michael Niedermayer authored Jul 01, 2013
```
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
4cbd5ed1

jpeg2000: Initialize code blocks structures in precincts to 0 · b44925ae

Michael Niedermayer authored Jul 01, 2013

Prevent use of uninitialized memory / valgrind failure.

Found-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

b44925ae

jpeg2000: Check that we have enough components for MCT · cf04af20

Michael Niedermayer authored Jul 01, 2013

Avoid overread.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

cf04af20

jpeg2000: Check that there is a SOT before SOD · b564784a

Michael Niedermayer authored Jul 01, 2013

Avoid overreads.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

b564784a

jpeg2000: Remove unneeded returns · 2c3901b2
Michael Niedermayer authored Jul 01, 2013
```
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
2c3901b2

jpeg2000: Propagate error code from get_cox() · ef35d6db

Michael Niedermayer authored Jul 01, 2013

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

ef35d6db

jpeg2000: Check that nreslevels2decode has been initialized before use · 78962d3d

Michael Niedermayer authored Jul 01, 2013

Avoid buffer overread.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

78962d3d

jpeg2000: Drop unused and writeonly fields · 86a2602e
Michael Niedermayer authored Jul 01, 2013
```
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
86a2602e
jpeg2000: Correctly calculate sgnd · ac921338
Michael Niedermayer authored Jul 01, 2013
```
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
ac921338

jpeg2000: check len before parsing header · fd54dd02

Michael Niedermayer authored Jul 01, 2013

Avoid overread.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

fd54dd02

jpeg2000: Check component number in get_coc() and get_qcc() · eae63e3c

Michael Niedermayer authored Jul 01, 2013

Avoid overreads.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Nicolas Bertrand <nicoinattendu@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

eae63e3c

jpeg2000: Check zero bit-plane validity · 17e5d614
Michael Niedermayer authored Jul 01, 2013
```
Prevent integer overflows.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
17e5d614

jpeg2000: Validate block lengthinc · 7e201d57

Luca Barbato authored Jul 01, 2013

Currently we are using an array with a static data size.

Similar to a patch with the same purpose by Michael Niedermayer.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

7e201d57

jpeg2000: Validate SIZ parsing · 278a923c

Michael Niedermayer authored Jul 01, 2013

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

278a923c

jpeg2000: Validate SOT parsing · d3cb302b
Michael Niedermayer authored Jul 01, 2013
```
Avoid some overreads.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
d3cb302b

jpeg2000: Use bytestream2 · 1a3598aa

Michael Niedermayer authored Jul 01, 2013

Prevent a number of overreads.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1a3598aa

jpeg2000: Clean up return paths and error messages · 5efadcb8
Luca Barbato authored Jul 01, 2013
```
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
5efadcb8
jpeg2000: Define the maximum decomposition levels · be327100
Luca Barbato authored Jul 01, 2013
```
And define the resolution levels according.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
```
be327100

jpeg2000: Check code-block size · fbcc03db

Michael Niedermayer authored Jul 01, 2013

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Nicolas Bertrand <nicoinattendu@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

fbcc03db

jpeg2000: Validate resolution levels · 5650e331

Luca Barbato authored Jul 01, 2013

There are 32 maximum decomposition levels, thus 33 resolution levels.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

5650e331

oggdec: do not fall back on binary search in the generic code. · 8ad3267c

Anton Khirnov authored Jun 28, 2013

Binary search is already attempted in the format-specific seek function,
so the fallback is only reached if binary search failed already.

8ad3267c

lls/x86: use 3-operator vaddpd in ADDPD_MEM · c8b920a9
Loren Merritt authored Jul 02, 2013
```
Fixes build with yasm-1.1
Signed-off-by: Anton Khirnov <anton@khirnov.net>
```
c8b920a9

01 Jul, 2013 5 commits

Revert "indeo5: reject negative motion vectors" · 8bd90399
Luca Barbato authored Jul 01, 2013
```
Negative motion vectors are possible.

This reverts commit 1194a410.
```
8bd90399

indeo: check for reference when inheriting mvs · b36e1893

Luca Barbato authored Jun 30, 2013

The same is done already for qdelta.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org

b36e1893

indeo5: reject negative motion vectors · 1194a410
Luca Barbato authored Jun 30, 2013
```
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
```
1194a410
indeo: use proper error code · dd3754a4
Luca Barbato authored Jun 30, 2013

dd3754a4

indeo: Properly forward the error codes · 7388c0c5

Luca Barbato authored Jun 30, 2013

If the tile data size does not match the buffer size it did not
return an AVERROR_INVALIDDATA causing futher corruption later.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org

7388c0c5

30 Jun, 2013 3 commits
- x86: lpc: fix a segfault in av_evaluate_lls_sse2() · 1221bb62
  Loren Merritt authored Jun 30, 2013
  
  1221bb62
- mjpeg: Check the unescaped size for overflows · 6765ee7b
  Luca Barbato authored Jun 29, 2013
```
And contextually check init_get_bits success and fix the reporting
message.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
```
  6765ee7b
- mjpeg: Move code out of else branch · 7520d977
  Luca Barbato authored Jun 29, 2013
```
Simplify the control flow and spare some vertical space.
```
  7520d977
29 Jun, 2013 4 commits
- avconv: Don't include colorspace.h · 7798a59d
  Derek Buitenhuis authored Jun 29, 2013
```
The header is private, and avconv.c doesn't use it
for anything.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
```
  7798a59d
- wmapro: error out on impossible scale factor offsets · 02ec656a
  Luca Barbato authored Jun 29, 2013
```
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
```
  02ec656a
- wmapro: check the min_samples_per_subframe · d4a217a4
  Luca Barbato authored Jun 28, 2013
```
Must be at least WMAPRO_BLOCK_MIN_SIZE.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
```
  d4a217a4
- pictor: use the correct logging context · 183880cf
  Luca Barbato authored Jun 29, 2013
```
Broken in 6d97484d
```
  183880cf