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89 Commits

Author SHA1 Message Date
Luca Barbato
9c22169769 tiff: do not overread the source buffer 
At least 2 bytes from the source are read every loop.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2013-06-07 17:23:53 +02:00
Luca Barbato
999ccd2d0a tiff: cleanup the error paths 
Return the proper error values and optionally report them.
 2013-06-07 17:23:53 +02:00
Luca Barbato
016c5b066d tiff: refactor fax support in a separate function 2013-06-07 17:23:53 +02:00
Luca Barbato
103937681d tiff: refactor deflate support in a separate function 
Report when zlib support is missing.
 2013-06-07 17:23:53 +02:00
Diego Biurrun
46ce9ded96 tiff: K&R formatting cosmetics 2013-06-02 17:59:34 +02:00
Anton Khirnov
759001c534 lavc decoders: work with refcounted frames. 2013-03-08 07:38:30 +01:00
Anton Khirnov
b2a7b81b9c tiff: return meaningful error codes. 2013-01-06 13:31:40 +01:00
Anton Khirnov
df9b956751 lavc: fix decode_frame() third parameter semantics for video decoders 
It's got_frame, not data size
 2012-12-04 21:45:36 +01:00
Anton Khirnov
594d4d5df3 lavc: add a wrapper for AVCodecContext.get_buffer(). 
It will be useful in the upcoming transition to refcounted AVFrames.
 2012-12-04 21:41:59 +01:00
Diego Biurrun
d5c62122a7 Move av_reverse table to libavcodec 
It is only used in that library.
 2012-10-12 20:39:18 +02:00
Anton Khirnov
716d413c13 Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat 2012-10-08 07:13:26 +02:00
Alex Converse
df6c3f9fb3 tiffdec: Add support for GRAY16LE. 
Tested with the GraphicsMagick TIFF archive and Libav generated files.
 2012-09-19 11:05:36 -07:00
Martin Storsjö
1d9c2dc89a Don't include common.h from avutil.h 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-08-15 22:32:06 +03:00
Anton Khirnov
36ef5369ee Replace all CODEC_ID_* with AV_CODEC_ID_* 2012-08-07 16:00:24 +02:00
Alex Converse
f346b6bbeb tiffdec: K&R cosmetics 2012-04-13 12:58:19 -07:00
Alex Converse
90a4306007 tiffdec: Add a malloc check and refactor another. 2012-04-13 09:49:13 -07:00
Martin Storsjö
00c3b67b8a cosmetics: Align codec declarations 
Also break some long lines, remove codec function placeholder comments
and add spaces in sample/pixel format lists.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-04-06 22:37:38 +03:00
Diego Biurrun
a92be9b856 Replace memset(0) by zero initializations. 
Also remove one pointless zero initialization in rangecoder.c.
 2012-03-28 09:38:33 +02:00
Alex Converse
fd0be63049 tiffdec: Prevent illegal memory access caused by recycled pointers. 
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2012-03-07 15:40:42 -08:00
Diego Biurrun
324deaa268 Replace AVFrame pointer type punning by proper struct member assignments. 2012-03-01 23:11:13 +01:00
Diego Biurrun
562b6c744a Remove unnecessary AVFrame pointer casts. 2012-03-01 23:11:10 +01:00
Alex Converse
447363870f tiff: Prevent overreads in the type_sizes array. 
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
 2012-02-23 16:23:51 -08:00
Alex Converse
e32548d133 tiff: Make the TIFF_LONG and TIFF_SHORT types unsigned. 
TIFF v6.0 (unimplemented) adds signed equivalents.
 2012-02-23 16:23:51 -08:00
Laurent Aimar
04a845caa7 tiffdec: fix out of bound reads/writes 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
 2011-10-10 21:36:13 +02:00
Anton Khirnov
ec6402b7c5 lavc: use designated initialisers for all codecs. 
It's more readable and less prone to breakage.
 2011-07-29 08:42:34 +02:00
Diego Biurrun
f6f95d4e49 doxygen: consistently place brief description 2011-07-14 20:49:37 +02:00
Stefano Sabatini
1863a3c7aa tiff: print log in case of unknown / unsupported tag. 
Helps debugging.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-06-05 12:49:14 +02:00
Stefano Sabatini
a43458d7eb tiff: fix linesize for mono-white/black formats. 
Fix decoding of file Test_1bpp.tif

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-06-05 12:49:14 +02:00
Stefano Sabatini
7ca5338b49 tiff: set palette in the context when specified in TIFF_PAL tag 
Since image initialization was moved after tag parsing, the
palette needs to be specified in the context and then copied
to the allocated image in init_image().

Fixes a regression with TIFF images that have palette data,
trac issue #230, file Test_Flate_8bpp.tif.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2011-05-24 19:33:40 +02:00
Stefano Sabatini
bbc572a2c4 tiff: add support for SamplesPerPixel tag in tiff_decode_tag() 
Format detection and internal frame initialization is moved to a
separate init_image() function, which is called when all the tags have
been read, and so both BitsPerSample and SamplesPerPixel information
has been collected.

This fixes decoding of the file 11.tiff from roundup issue #1925.

Based on a patch by Kostya Shishkov <kostya.shishkov@gmail.com>.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2011-05-12 17:59:56 +02:00
Stefano Sabatini
8102d886be tiff: Prefer enum TiffCompr over int for TiffContext.compr. 
This is safer and helps debugging.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2011-05-12 17:37:08 +02:00
Stefano Sabatini
b437f5b055 tiff: add support for inverted FillOrder for uncompressed data 
Fix decoding of file b.tif, trac issue #168.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 2011-05-11 13:55:44 +02:00
Mans Rullgard
2912e87a6c Replace FFmpeg with Libav in licence headers 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-19 13:33:20 +00:00
Reinhard Tartler
737eb5976f Merge libavcore into libavutil 
It is pretty hopeless that other considerable projects will adopt
libavutil alone in other projects. Projects that need small footprint
are better off with more specialized libraries such as gnulib or rather
just copy the necessary parts that they need. With this in mind, nobody
is helped by having libavutil and libavcore split. In order to ease
maintenance inside and around FFmpeg and to reduce confusion where to
put common code, avcore's functionality is merged (back) to avutil.

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
 2011-02-15 16:18:21 +01:00
Diego Elio Pettenò
d36beb3f69 Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf. 
None of these symbols should be accessed directly, so declare them as
hidden.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-01-26 16:08:45 +00:00
Daniel Kang
a4db272a92 Return on negative soff sizes, fixes issue 2515. 
Patch by Daniel Kang, daniel.d.kang at gmail

Originally committed as revision 26288 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2011-01-09 19:29:39 +00:00
Daniel Kang
d381249bb8 Fix a crash when decoding tiff by moving check 
for invalid header up before reading data.
Fixes issue 2500.

Patch by Daniel Kang, daniel.d.kang at gmail

Originally committed as revision 26248 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2011-01-06 22:12:55 +00:00
Daniel Kang
1ba44140a3 Fix crash for files with strip size larger than the buffer. 
Fixes issue 2498.

Patch by Daniel Kang, daniel.d.kang at gmail

Originally committed as revision 26243 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2011-01-06 14:44:50 +00:00
Stefano Sabatini
e16f217ceb Use new imgutils.h API names, fix deprecation warnings. 
Originally committed as revision 25058 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-09-07 19:15:29 +00:00
Stefano Sabatini
6ce9b4310c Remove use of the deprecated function avcodec_check_dimensions(), use 
av_check_image_size() instead.

Originally committed as revision 24711 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-08-06 09:37:04 +00:00
Diego Biurrun
ba87f0801d Remove explicit filename from Doxygen @file commands. 
Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.

Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-04-20 14:45:34 +00:00
Stefano Sabatini
72415b2adb Define AVMediaType enum, and use it instead of enum CodecType, which 
is deprecated and will be dropped at the next major bump.

Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-03-30 23:30:55 +00:00
Baptiste Coudurier
bdcc13f2bf lzw.h does not need get_bits.h, tiff.c needs intreadwrite.h for AV_R* though 
Originally committed as revision 20724 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-12-03 19:19:57 +00:00
Francesco Lavra
91cc5d3767 Move ff_reverse in libavcodec to av_reverse in libavutil. 
Patch by Francesco Lavra, francescolavra interfree it

Originally committed as revision 20484 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-11-09 09:11:35 +00:00
Kostya Shishkov
a8b95021e5 Do not attempt to decode TIFF files containing fax data with uncompressed 
mode allowed for there is no code to decode it (yet).

Originally committed as revision 20114 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-10-01 06:31:49 +00:00
Kostya Shishkov
53f9f9c91b When BitsPerSample tag is not present in TIFF, that means file is 
monochrome, so initialize picture before decoding.
This fixes decoding monochrome files produced by lavc TIFF encoder.

Originally committed as revision 20091 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-30 05:49:18 +00:00
Kostya Shishkov
8da5d3dc37 Finally distinguish TIFF_CCITT_RLE and TIFF_G3 1-D case, so both of them 
will be decoded correctly.
This fixes issue 1423.

Originally committed as revision 20065 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-28 05:17:20 +00:00
Kostya Shishkov
7c6f5238c6 Make TIFF decoder load compression options only for corresponding codec 
Originally committed as revision 20064 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-28 05:15:27 +00:00
Martin Storsjö
eec69b399a Do not compile ZLib data uncompressing function in TIFF decoder when ZLib is 
not present.
Patch by Martin Storsjö
($firstname <at> $firstname <dot> two first letters of $lastname)

Originally committed as revision 20058 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-27 09:43:11 +00:00
Kostya Shishkov
e96f885aa0 Looks like ZLib uncompress() cannot deal with some kinds of TIFF deflated data, 
so replace it with custom code.
This fixes issue 1419.

Originally committed as revision 20054 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2009-09-27 07:01:01 +00:00