Commit Graph

58 Commits

Author SHA1 Message Date
Luca Barbato 1b709f23fb jpeg2000: Refactor decode_packets
Move the packet-specific parsers in separate functions.
2015-09-14 14:31:25 +02:00
Luca Barbato 29b00f880f jpeg2000: Templatize the frame writer 2015-09-14 14:28:03 +02:00
Luca Barbato 41bcc3d152 jpeg2000: Split codeblock decoding from the main tile decoding
That loop is completely stand-alone.
2015-09-14 14:26:54 +02:00
Luca Barbato 5788623d29 jpeg2000: Split codeblock decoding from the main tile decoding
That loop is completely stand-alone.
2015-09-11 18:19:39 +02:00
Luca Barbato db53a2306f jpeg2000: Do not warn about known and skippable markers
Matches the openjpeg behaviour.
2015-09-11 18:19:01 +02:00
Vittorio Giovara def97856de lavc: AV-prefix all codec capabilities
Express bitfields more simply.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
2015-07-27 15:24:58 +01:00
Vittorio Giovara 7c6eb0a1b7 lavc: AV-prefix all codec flags
Convert doxygen to multiline and express bitfields more simply.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
2015-07-27 15:24:58 +01:00
Janne Grunau 007e27d363 avcodec: add missing CODEC_CAP_DR1 to codecs using get_buffer() 2015-07-01 12:10:25 +02:00
James Almer 82f8eb5f77 jpeg2000: split off inverse MCT as Jpeg2000DSP
This makes the addition of arch optimized functions easier.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2014-10-08 08:02:55 +00:00
Vittorio Giovara cbc808d726 jpeg2000: enable 4 component pixel formats
Bug-Id: 721
CC: libav-stable@libav.org
Sample-Id: 31230.mov
2014-08-06 12:23:21 +01:00
Diego Biurrun fe4d5fe936 jpeg2000: Mark static data init functions as av_cold 2014-06-17 08:44:07 -07:00
Diego Biurrun cc8163e1a3 avcodec: more correct printf specifiers 2014-03-22 14:08:20 +01:00
Luca Barbato 1018a92219 jpeg2000: Check block length
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
2013-10-09 22:25:19 +02:00
Martin Storsjö 18a245a2ae jpeg2000dec: Add more checks when parsing headers
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
2013-09-17 15:57:27 +03:00
Nicolas Bertrand f56fe04de3 jpeg2000: Initialize only once mqc arrays
Improves decoding speed.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-13 07:54:12 +02:00
Michael Niedermayer 95a57d26d8 jpeg2000: Use the matching coding style struct for transform selection
Fixes a null pointer dereference.

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>
2013-07-02 20:05:48 +02:00
Michael Niedermayer 22e18ea39e jpeg2000: Optimize output sample conversion
67935 -> 29984 kcycles

Reviewed-by: Nicolas BERTRAND <nicoinattendu@gmail.com>

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:48 +02:00
Michael Niedermayer f0552e63a6 jpeg2000: Reset s->numX/Ytiles on tile deallocation
Keep the structure fields more consistent after cleanup.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:48 +02:00
Michael Niedermayer e11099db20 jpeg2000: Optimize dequantization
Float:   4700 -> 2700 cycles
Integer: 4400 -> 2800 cycles

(sandybridge  i7)

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:47 +02:00
Michael Niedermayer c1dcbc590d jpeg2000: Do not assume a single tile
In preparation of supporting multiple tiles.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:47 +02:00
Michael Niedermayer 53d5d89c1b jpeg2000: Speed up jpeg2000_decode_tile()
Skip processing bands with dimension set to 0.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:47 +02:00
Michael Niedermayer 64f6570c6e jpeg2000: Use EBCOT's CAUSAL and BYPASS mode in decode_cblk()
Speed it up a bit.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:47 +02:00
Michael Niedermayer d57c737ac3 jpeg2000: Simplify jpeg2000_decode_packets()
Raise PATCHWELCOME error in case of non-implemented progression order.

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>
2013-07-02 20:05:47 +02:00
Michael Niedermayer 09d5929f37 jpeg2000: Do not crash on NULL node in tag_tree_decode
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:47 +02:00
Michael Niedermayer aa16bbaf9b jpeg2000: Refactor SOT marker parsing
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:47 +02:00
Luca Barbato daeb4e3042 jpeg2000: Proper cleanup on failure in decode_frame()
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:47 +02:00
Michael Niedermayer 589e5b52f6 jpeg2000: Use the correct sizeof in memset for T1 data
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:46 +02:00
Michael Niedermayer 5b73916d34 jpeg2000: Simplify init_tile()
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:46 +02:00
Michael Niedermayer 33e665a6ab jpeg2000: Update pixel format support
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:46 +02:00
Michael Niedermayer 5bf208f659 jpeg2000: Use separate fields for int and float codepaths
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>
2013-07-02 20:05:46 +02:00
Michael Niedermayer a458b91cf4 jpeg2000: Split int/float codepaths depending on the DWT
DWT53 is always int, DWT97 is always float.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:46 +02:00
Michael Niedermayer f9581f1414 jpeg2000: Improve reduced resolution decoding
Correctly scale down the component coordinates and
clean up some redundant code.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:46 +02:00
Michael Niedermayer 4e11b15534 jpeg2000: Calculate code-block coord in ff_jpeg2000_init_component()
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>
2013-07-02 20:05:45 +02:00
Michael Niedermayer cf04af2086 jpeg2000: Check that we have enough components for MCT
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>
2013-07-02 20:05:45 +02:00
Michael Niedermayer b564784a20 jpeg2000: Check that there is a SOT before SOD
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>
2013-07-02 20:05:45 +02:00
Michael Niedermayer 2c3901b2c3 jpeg2000: Remove unneeded returns
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
Michael Niedermayer ef35d6dbc6 jpeg2000: Propagate error code from get_cox()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
Michael Niedermayer 86a2602e16 jpeg2000: Drop unused and writeonly fields
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:44 +02:00
Michael Niedermayer ac921338a4 jpeg2000: Correctly calculate sgnd
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:44 +02:00
Michael Niedermayer fd54dd028b jpeg2000: check len before parsing header
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>
2013-07-02 20:05:44 +02:00
Michael Niedermayer eae63e3c15 jpeg2000: Check component number in get_coc() and get_qcc()
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>
2013-07-02 20:05:44 +02:00
Michael Niedermayer 17e5d614a8 jpeg2000: Check zero bit-plane validity
Prevent integer overflows.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:44 +02:00
Luca Barbato 7e201d575d jpeg2000: Validate block lengthinc
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>
2013-07-02 20:05:44 +02:00
Michael Niedermayer 278a923c51 jpeg2000: Validate SIZ parsing
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:44 +02:00
Michael Niedermayer d3cb302b88 jpeg2000: Validate SOT parsing
Avoid some overreads.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:44 +02:00
Michael Niedermayer 1a3598aae7 jpeg2000: Use bytestream2
Prevent a number of overreads.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:43 +02:00
Luca Barbato 5efadcb8cd jpeg2000: Clean up return paths and error messages
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:43 +02:00
Luca Barbato be3271009e jpeg2000: Define the maximum decomposition levels
And define the resolution levels according.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:43 +02:00
Michael Niedermayer fbcc03db8f jpeg2000: Check code-block size
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>
2013-07-02 20:05:43 +02:00
Luca Barbato 5650e331a7 jpeg2000: Validate resolution levels
There are 32 maximum decomposition levels, thus 33 resolution levels.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:43 +02:00