generic-library/ffmpeg
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302 Commits

Author SHA1 Message Date
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
Piotr Bandurski
2f75dcdc1c mjpegdec: Fix field orderforinterlacedAVDJand AVRN in ntsc mode 
Fixes ticket1656

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-19 18:09:57 +02:00
Michael Niedermayer
c607a2cc97 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  sparc: Eliminate dead code in VIS acceleration macros
  flacdec: drop unnecessary assert
  mjpegdec: properly report unsupported disabled features

Conflicts:
	libavcodec/flacdec.c
	libavcodec/mjpegdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-16 17:10:51 +02:00
Luca Barbato
b25e49b187 mjpegdec: properly report unsupported disabled features 
When JPEG-LS support is disabled the decoder would feed the
data to the JPEG Lossless decode_*_scan function resulting in
faulty decoding.

CC: libav-stable@libav.org
 2013-05-16 14:05:46 +02:00
Clément Bœsch
570d63eef3 lavu: add FF_CEIL_RSHIFT and use it in various places. 2013-05-09 16:59:42 +02:00
Piotr Bandurski
f4596e8bb6 mjpegdec: Add support for 4:1:1 YUV 
Fixes part of ticket 2004
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-22 22:03:09 +02:00
Ronald S. Bultje
28bc406c84 mjpeg: Use hpeldsp instead of dsputil for half-pel functions 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-04-19 23:18:38 +03:00
Michael Niedermayer
bec402b502 mjpegdec: fix overlapping memcpy with upscale_v 
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-04-16 20:15:24 +02:00
Michael Niedermayer
aa28c42534 mjpegdec: check buffer before using it 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-03-29 05:00:15 +01:00
Paul B Mahol
a9b424879f lavc & lavf: replace deprecated av_log* functions 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2013-03-15 18:10:28 +00:00
Michael Niedermayer
ff9adf5725 mjpegdec: export qp table 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-03-15 03:02:27 +01:00
Michael Niedermayer
870e625108 mjpegdec: fix indention 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-03-14 17:31:14 +01:00