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413 Commits

Author SHA1 Message Date
Justin Ruggles
9e500efdbe Add av_image_check_sar() and use it to validate SAR 2014-06-20 10:39:33 -04:00
Michael Niedermayer
2b05db4f81 Merge commit 'e74433a8e6fc00c8dbde293c97a3e45384c2c1d9' 
* commit 'e74433a8e6fc00c8dbde293c97a3e45384c2c1d9':
  dsputil: Split clear_block*/fill_block* off into a separate context

Conflicts:
	configure
	libavcodec/asvdec.c
	libavcodec/dnxhddec.c
	libavcodec/dnxhdenc.c
	libavcodec/dsputil.h
	libavcodec/eamad.c
	libavcodec/intrax8.c
	libavcodec/mjpegdec.c
	libavcodec/ppc/dsputil_ppc.c
	libavcodec/vc1dec.c
	libavcodec/x86/dsputil_init.c
	libavcodec/x86/dsputil_mmx.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-19 04:54:38 +02:00
Diego Biurrun
e74433a8e6 dsputil: Split clear_block*/fill_block* off into a separate context 2014-06-18 14:07:23 -07:00
Michael Niedermayer
0545ef7116 avcodec/mjpegdec: Improve intel jpeg flip heuristic 
Fixes Ticket3698

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-06 01:32:22 +02:00
Michael Niedermayer
149be91374 avcodec/mjpegdec: request a AMV sample with non mod 16 height 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-06-01 04:00:47 +02:00
Michael Niedermayer
ec33f59fed avcodec/mjpegdec: Support pix_fmt_id== 0x42111100 
Fixes: 538782_300.jpg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-05-28 16:36:04 +02:00
Michael Niedermayer
aff352be63 avcodec/mjpegdec: zero gb to silence warning about it being possibly uninitialized 
The code is not speed relevant, also its more robust if the pointers are NULL instead of random.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-05-08 17:37:40 +02:00
Michael Niedermayer
8532566e80 avcodec/mjpegdec: use av_mallocz_array() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-30 18:26:28 +02:00
Michael Niedermayer
e31727bd53 avcodec/mjpegdec: make type of shift unsigned to avoid undefined behavior 
Found-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-28 00:22:38 +02:00
Michael Niedermayer
b432960528 avcodec/mjpegdec: Fix undefined shift 
Fixes CID1194388

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-27 05:32:56 +02:00
Carl Eugen Hoyos
ced0d6c14d Use correct msvc type specifiers for ptrdiff_t and size_t. 
The Windows runtime aborts if it finds %t or %z.
Fixes ticket #3472.

Reviewed-by: Ronald Bultje
 2014-04-24 18:01:30 +02:00
Justin Ruggles
591c0c26b5 mjpeg: cosmetics: indentation 
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-18 12:41:17 -04:00
Justin Ruggles
39ef000e19 mjpeg: Do not fail jpeg decoding on bad EXIF data. 
It is not required to correctly decode the image.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 2014-04-18 12:41:10 -04:00
Thilo Borgmann
8c161d7884 lavc/exif: Make EXIF IFD decoding part of private API/ABI. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-05 03:31:56 +02:00
Michael Niedermayer
254f653b24 avcodec/jpeglsdec: add PAL8 support 
Fixes Ticket3478

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-01 13:43:44 +02:00
Michael Niedermayer
d56c373391 avcodec/mjpegdec: fix cmyk 420 with adobe_transform == 2 
Fixes Ticket3516

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-04-01 01:14:26 +02:00
Michael Niedermayer
559c8b9ee9 avcodec/mjpegdec: support subsampled 420 CMYK 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-31 17:47:04 +02:00
Michael Niedermayer
798490812a avcodec/mjpegdec: upgrade upscale_v to support multiple planes 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-31 17:47:04 +02:00
Michael Niedermayer
f9059ce794 avcodec/mjpegdec: upgrade upscale_h to support multiple planes 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-31 17:47:04 +02:00
Michael Niedermayer
dde16f5aae avcodec/mjpegdec: Switch default interlaced polarity for MJPG to 1 
Fixes Ticket3229

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-19 18:16:42 +01:00
Michael Niedermayer
493296800c avcodec/mjpegdec: parse avid data from extradata 
Makes no difference for any file tested but is needed
for following bug-fix

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-19 18:16:42 +01:00
Michael Niedermayer
046a75eea0 avcodec/mjpeg: print info from parse_avid() if requested 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-19 18:16:42 +01:00
Michael Niedermayer
98f9aa389b avcodec/mjpegdec: switch interlaced_polarity to 0 for PAL AVID 
0 should have been the default, this change should make no difference
but this is needed for the following bugfix

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-19 18:16:42 +01:00
Michael Niedermayer
1083c479eb avcodec/mjpegdec: factorize parse_avid out 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-19 18:16:42 +01:00
Vittorio Giovara
1c1fbc70ca mjpeg: set color_range 2014-03-16 23:31:30 +01:00
Michael Niedermayer
e161c1bbfc avcodec/mjpegdec: support adob transform 2 
Fixes Ticket3426

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-11 04:20:23 +01:00
Michael Niedermayer
a05635ee01 avcodec/mjpegdec: convert CMYK to GBRAP 
Fixes Ticket2799

This should be moved into swscale once we have a CMYK pixel format

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-27 22:18:34 +01:00
Michael Niedermayer
501beae6f9 avcodec/mjpegdec: fix decoding 4th plane 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-27 21:49:46 +01:00
Michael Niedermayer
6904168c79 avcodec/mjpegdec: Print error in case of CMYK 
Also fail if AV_EF_EXPLODE is set.
We do not fail by default, but rather return some image as it may be usefull to the
end user to see what is on the image, for example text could be read quite fine and
objects recognized.

Possibly fixes Ticket3424

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-27 20:24:39 +01:00
Michael Niedermayer
681e72a668 avcodec/mjpegdec: parse adobe_transform 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-27 20:13:48 +01:00
Michael Niedermayer
7e8be7081f avcodec/mjpegdec: Print human readable string for APPx 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-02-27 19:35:37 +01:00
Michael Niedermayer
19b41f8645 avcodec/mjpegdec: use the correct linesize in the flipping code 
Fixes out of array access
No releases should be affected
Depends on 7c3700cd1d, do not backport without this one

Fixes: asan_heap-oob_14a37fe_9111_cov_1692584941_test4.amv
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-31 21:47:44 +01:00
Michael Niedermayer
2884688bd5 avcodec/mjpegdec: pass into ff_mjpeg_decode_sos() and check bitmask size 
Fixes: heap array overread
Fixes: asan_heap-oob_149b2bc_6577_m1.mxg
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-31 18:34:08 +01:00
Michael Niedermayer
b80073c05f avcodec/mjpegdec: use av_freep() instead of av_free() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-30 00:50:43 +01:00
Michael Niedermayer
ed56c021e7 avcodec/mjpegdec Fix potential memleak of stereo3D at the end in case of decoding failure 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-30 00:25:04 +01:00
Kirill Gavrilov
e9e7e68516 mjpegdec: parse JPS extension and save relevant stereo3d information 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-30 00:17:02 +01:00
Michael Niedermayer
ad8d063f23 avcodec/mjpegdec: Dont skip picture allocation if theres no picture allocated 
Fixes Ticket 3245
 2014-01-19 17:30:22 +01:00
Michael Niedermayer
31e703e899 avcodec/mjpegdec: Dont treat the lack of a startcode differently from end of the bitstream 
Fixes Ticket3303

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-19 05:03:16 +01:00
Michael Niedermayer
361e27a3d8 avcodec/mjpegdec: only run EOI emulation code when there was a scan 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-19 04:57:03 +01:00
Michael Niedermayer
8893f31e20 avcodec/mjpegdec: update cur_scan also for non-LS jpeg 
This should make no difference but the variable will be used in a subsequent commit

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-19 04:57:03 +01:00
Michael Niedermayer
ebfa1264aa avcodec/mjpegdec: allow lowres with amv 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-09 21:40:13 +01:00
Michael Niedermayer
7c3700cd1d avcodec/mjpegdec: use the AVFrame width/height for flipping 
This makes it possible to use the code with lowres

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-09 21:40:13 +01:00
Michael Niedermayer
af15c17daa avcodec/mjpegdec: remove new flipping code 
It stored images wrong in the user provided buffers (that is you would
end up with a wrongly flipped image if you used direct rendering).
Also it used wrong dimensions as noticed by ubitux

Enable the old code unconditionally so flipping works correctly
again.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-09 21:36:21 +01:00
Michael Niedermayer
cab5315519 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  mjpegdec: apply flipping after decoding, not before

Conflicts:
	libavcodec/mjpegdec.c
	libavcodec/mjpegdec.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-01-09 15:46:31 +01:00
Anton Khirnov
d48132b7de mjpegdec: apply flipping after decoding, not before 
This is simpler and removes a silly restriction on edges being present.
 2014-01-09 09:56:51 +01:00
Michael Niedermayer
0c23ee1312 avcodec/mjpegdec: use mallocz for progressive blocks 
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f849c599487_6828_mjpeg.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-13 20:26:38 +01:00
Michael Niedermayer
6393038676 Merge commit 'e2274aa555f023e4f4e4819bf29b2d7e0adec7d5' 
* commit 'e2274aa555f023e4f4e4819bf29b2d7e0adec7d5':
  mjpegdec: use the AVFrame API properly.

Conflicts:
	libavcodec/mjpegdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-09 12:42:10 +01:00
anatoly
2fade10cb0 Add support for picture_ptr field in MJpegDecodeContext 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit e0e3b8b297)

Conflicts:

	libavcodec/jpeglsdec.c
	libavcodec/mjpegbdec.c
	libavcodec/mjpegdec.c

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-12-09 12:24:50 +01:00
Anton Khirnov
e2274aa555 mjpegdec: use the AVFrame API properly. 2013-12-09 08:40:29 +01:00
Michael Niedermayer
6060234d43 avcodec/mjpegdec: check len in mjpeg_decode_app() more completely 
Avoids len from becoming negative and causing assertion failure

Fixes: signal_sigabrt_7ffff7126425_5140_fd44dc63fa7bdd12ee34fc602231ef02.jpg

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-22 17:02:00 +01:00
Michael Niedermayer
64a0ed190e Merge commit '13207484bba8a8b78b40d5a22da8c9c555429089' 
* commit '13207484bba8a8b78b40d5a22da8c9c555429089':
  mpeg4video_parser: stop using deprecated avcodec_set_dimensions
  mpeg12dec: stop using deprecated avcodec_set_dimensions
  mjpegdec: stop using deprecated avcodec_set_dimensions
  libvpxdec: stop using deprecated avcodec_set_dimensions

Conflicts:
	libavcodec/mjpegdec.c
	libavcodec/mpeg12dec.c
	libavcodec/mpeg4video_parser.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-11-01 15:14:52 +01:00
Anton Khirnov
2cd94ad5bf mjpegdec: stop using deprecated avcodec_set_dimensions 2013-10-31 20:14:15 +01:00
Michael Niedermayer
ee77140afa Merge commit 'b2bed9325dbd6be0da1d91ffed3f513c40274fd2' 
* commit 'b2bed9325dbd6be0da1d91ffed3f513c40274fd2':
  cosmetics: Group .name and .long_name together in codec/format declarations

Conflicts:
	libavcodec/8svx.c
	libavcodec/alac.c
	libavcodec/cljr.c
	libavcodec/dnxhddec.c
	libavcodec/dnxhdenc.c
	libavcodec/dpxenc.c
	libavcodec/dvdec.c
	libavcodec/dvdsubdec.c
	libavcodec/dvdsubenc.c
	libavcodec/ffv1dec.c
	libavcodec/flacdec.c
	libavcodec/flvdec.c
	libavcodec/fraps.c
	libavcodec/frwu.c
	libavcodec/g726.c
	libavcodec/gif.c
	libavcodec/gifdec.c
	libavcodec/h261dec.c
	libavcodec/h263dec.c
	libavcodec/iff.c
	libavcodec/imc.c
	libavcodec/libopencore-amr.c
	libavcodec/libopenjpegdec.c
	libavcodec/libopenjpegenc.c
	libavcodec/libspeexenc.c
	libavcodec/libvo-amrwbenc.c
	libavcodec/libvorbisenc.c
	libavcodec/libvpxenc.c
	libavcodec/libx264.c
	libavcodec/libxavs.c
	libavcodec/libxvid.c
	libavcodec/ljpegenc.c
	libavcodec/mjpegbdec.c
	libavcodec/mjpegdec.c
	libavcodec/mpeg12dec.c
	libavcodec/mpeg4videodec.c
	libavcodec/msmpeg4dec.c
	libavcodec/pgssubdec.c
	libavcodec/pngdec.c
	libavcodec/pngenc.c
	libavcodec/proresdec_lgpl.c
	libavcodec/proresenc_kostya.c
	libavcodec/ra144enc.c
	libavcodec/rawdec.c
	libavcodec/rv10.c
	libavcodec/sp5xdec.c
	libavcodec/takdec.c
	libavcodec/tta.c
	libavcodec/v210dec.c
	libavcodec/vp6.c
	libavcodec/wavpack.c
	libavcodec/xbmenc.c
	libavcodec/yop.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-10-04 12:34:23 +02:00
Diego Biurrun
b2bed9325d cosmetics: Group .name and .long_name together in codec/format declarations 2013-10-03 23:32:01 +02:00
Michael Niedermayer
7129935ed2 avcodec/mjpegdec: Fix ljpeg RCT 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-17 02:00:15 +02:00
Michael Niedermayer
7fb2622456 avcodec/mjpegdec: rgba64 ljpeg support 
Fixes Ticket2965

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-16 03:00:54 +02:00
Michael Niedermayer
1e4e0bd907 avcodec/mjpegdec: change error return value to be outside the 16bit range 
Fixes part of Ticket2965

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-16 02:59:33 +02:00
Michael Niedermayer
b4a5fcb998 avcodec/mjpegdec: Fix rgb48 ljpeg 
Fixes Ticket894

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-15 23:36:11 +02:00
Michael Niedermayer
6c07e41f43 avcodec/mjpegdec: check for malloc failure of blocks[] and last_nnz[] 
Fixes null pointer dereference
Fixes Ticket2947

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-13 23:25:16 +02:00
Michael Niedermayer
64b6279d14 avcodec/mjpegdec: Support >8bpc color mjpeg 
Fixes Ticket2939

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-11 02:45:17 +02:00
Michael Niedermayer
ce22820627 avcodec/mjpegdec: fix shift_output() with lowres 
Fixes Ticket2940

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-09 01:46:14 +02:00
Michael Niedermayer
bcd1c20612 avcodec/mjpegdec: support >8bit in mjpeg_decode_scan_progressive_ac() 
Fixes Ticket2812

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-06 02:33:10 +02:00
Michael Niedermayer
b155fb08b8 avcodec/mjpegdec: move shift_output() to its own function 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-06 02:31:32 +02:00
Michael Niedermayer
c407c73457 avcodec/mjpegdec: 12bit Grayscale support 
Fixes part of Ticket2812

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-06 01:19:37 +02:00
Michael Niedermayer
1deeb9437c avcodec/mjpegdec: Fix normal jpeg with bits < 8 
Untested due to lack of testcase

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-06 01:19:37 +02:00
Michael Niedermayer
15071ed4fc avcodec/mjpegdec fix last_dc for bits != 8 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-06 01:19:37 +02:00
Michael Niedermayer
b042712a87 avcodec/mjpegdec: Simplify masking in ljpeg_decode_yuv_scan() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-05 01:39:20 +02:00
Michael Niedermayer
b394ccfe47 avcodec/mjpegdec: fix rgb ljpeg prediction 5/6/7 with point_transform 
untested due to lack of sample

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-05 01:39:20 +02:00
Michael Niedermayer
38f8640df8 avcodec/mjpegdec: fix yuv ljpeg prediction 5/6/7 with point transforms 
Fixes Ticket2826

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-05 01:39:20 +02:00
Michael Niedermayer
cb026ac303 avcodec/mjpegdec: make "unknown colorspace" error more informative 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-05 01:39:20 +02:00
Michael Niedermayer
61c68000ed avcodec/mjpegdec: Add some sanity checks to ljpeg_decode_rgb_scan() 
These prevent the rgb ljpeg code from being run on parameters that it doesnt
support. No testcase available but it seems possible to trigger these.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-05 01:39:20 +02:00
Michael Niedermayer
49f5519345 Merge commit 'af11fa5409cc72fc45ca7f3527400beca10967b9' 
* commit 'af11fa5409cc72fc45ca7f3527400beca10967b9':
  mjpegb: Detect changing number of planes in interlaced video

Conflicts:
	libavcodec/mjpegdec.c

See: ecc31630f9
Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-04 13:06:24 +02:00
Michael Niedermayer
af11fa5409 mjpegb: Detect changing number of planes in interlaced video 
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-09-03 22:58:24 +03:00
Michael Niedermayer
16a0d75c76 avcodec/mjpegdec: fix overread in find_marker() 
Found-by: Laurent Butti <laurentb@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-23 04:44:55 +02:00
Diego Biurrun
2a61592573 avcodec: Remove some commented-out debug cruft 2013-08-20 19:59:50 +02:00
Michael Niedermayer
dabfa80ce2 avcodec/mjpegdec: print a message when there was just a single field and no frame 
Fixes ticket1915

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-14 19:16:38 +02:00
Thilo Borgmann
bb4e1b4cf9 avcodec/mjpegdec: Read EXIF metadata in JPEG input. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-13 00:30:34 +02:00
Carl Eugen Hoyos
ae4dc0b37a Set bits_per_raw_sample when decoding mjpeg / ljpeg. 
The ljpeg decoder also supports gray images with
8 - 15 bits per component.
 2013-07-28 17:13:01 +02:00
Michael Niedermayer
6db57fa8bc avcodec/mjpegdec: Support RGBA lpegs 
Fixes Ticket896

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-25 00:32:44 +02:00
Michael Niedermayer
0ef40446a8 mjpegdec: print length too in APPx debug code 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-11 16:28:55 +02:00
Michael Niedermayer
96747e6cbe mjpegdec: parse app-xfrm 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-11 16:08:49 +02:00
Michael Niedermayer
7afa68d37d mjpegdec: parse app-colr 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-11 16:08:36 +02:00
Michael Niedermayer
15cee5e562 mjpegdec: Fix used quant index for gbr 
Fixes Ticket1651

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-11 02:31:58 +02:00
Michael Niedermayer
94e86ae15a mjpegdec: initialize source variables before gbr remap 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-11 02:31:58 +02:00
Michael Niedermayer
233177a4ec jpegdec: clear EOBRUN on restarts 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-09 23:49:06 +02:00
Michael Niedermayer
1c032e94d0 jpegdec: give handle_rstn() a return code that indicates if restart did happen 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-09 23:45:31 +02:00
Michael Niedermayer
776155ca29 mjpeg_decode_scan: reset restart state 
Fixes Ticket2082
Fixes progressive/refinement + restart jpegs

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-07-09 23:43:36 +02:00
Michael Niedermayer
afddf0d910 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  mjpeg: Check the unescaped size for overflows

Conflicts:
	libavcodec/mjpegdec.c

See: a9456c7c5c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-30 14:11:38 +02:00
Michael Niedermayer
e3fb8ac956 Merge commit '7520d9779c6d30b385df5a0a42da508238076192' 
* commit '7520d9779c6d30b385df5a0a42da508238076192':
  mjpeg: Move code out of else branch

Conflicts:
	libavcodec/mjpegdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-30 13:50:55 +02:00
Luca Barbato
6765ee7b9c mjpeg: Check the unescaped size for overflows 
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
 2013-06-30 08:48:51 +02:00
Luca Barbato
7520d9779c mjpeg: Move code out of else branch 
Simplify the control flow and spare some vertical space.
 2013-06-30 08:46:55 +02:00
Michael Niedermayer
6d6eabd399 mjpeg_decode_dc: check code before using it in get_xbits() 
Fixes undefined behavior

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-30 01:35:22 +02:00
Michael Niedermayer
b60a65ee2d mjpegdec: fix AV_PIX_FMT_YUVJ411P handling 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-21 12:56:12 +02:00
Michael Niedermayer
6ef7b6af6b Merge commit 'cfbd98abe82cfcb9984a18d08697251b72b110c8' 
* commit 'cfbd98abe82cfcb9984a18d08697251b72b110c8':
  mjpegdec: validate parameters in mjpeg_decode_scan_progressive_ac

Conflicts:
	libavcodec/mjpegdec.c

See: 1f41cffe1e

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-21 12:01:37 +02:00
Michael Niedermayer
3b071a4390 Merge commit 'a030279a67ef883df8cf3707774656fa1be81078' 
* commit 'a030279a67ef883df8cf3707774656fa1be81078':
  ljpeg: use the correct number of components in yuv

Conflicts:
	libavcodec/mjpegdec.c

See: b2e57eb5a3

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-21 11:25:46 +02:00
Michael Niedermayer
f57a7ac9b8 Merge commit '8aa3500905fec6c4e657bb291b861d43c34d3de9' 
* commit '8aa3500905fec6c4e657bb291b861d43c34d3de9':
  mjpeg: Validate sampling factors

Conflicts:
	libavcodec/mjpegdec.c

See: 08c37a10e9

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-21 10:50:03 +02:00
Luca Barbato
cfbd98abe8 mjpegdec: validate parameters in mjpeg_decode_scan_progressive_ac 
Prevent out of buffer write when decoding broken samples.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2013-05-21 09:46:02 +02:00
Luca Barbato
a030279a67 ljpeg: use the correct number of components in yuv 
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2013-05-20 22:02:05 +02:00
Luca Barbato
8aa3500905 mjpeg: Validate sampling factors 
They must be non-zero.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2013-05-20 22:02:05 +02:00
Michael Niedermayer
73b9f31c74 mjpeg_decode_com: remove redundant len checks 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-19 18:09:57 +02:00