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Author SHA1 Message Date
Daniel Beer
08fe9f7e0f Fall back to set_strip() on older libpng versions. 
Latest Debian release right now packages only 1.2.50.
 2016-09-06 08:08:58 +12:00
Daniel Beer
5b26248009 Merge pull request #18 from czarkoff/png 
Fix png image handling
 2016-08-16 09:36:49 +12:00
Daniel Beer
3ddd39c952 Merge pull request #17 from czarkoff/clock 
Consistant typing for test timing variables
 2016-08-16 09:35:20 +12:00
Dmitrij D. Czarkoff
8decf20d4f Strip alpha channel from PNG images with tRNS chunk 
When PNG transformations are set up, tRNS chunk is converted to alpha channel
early in the process.  Later the decision whether to strip alpha channel or not
is made upon checking (color_type & PNG_COLOR_MASK_ALPHA).  Thus alpha channel
created by tRNS chunk conversion does not get stripped.
 2016-08-15 15:39:18 +02:00
Dmitrij D. Czarkoff
2e3e80c1ee Use more accurate bit depth reduction for PNG images 2016-08-15 14:32:17 +02:00
Dmitrij D. Czarkoff
3266bbaf39 Consistant typing for test timing variables 2016-08-15 10:24:01 +02:00
Daniel Beer
b0fc6bfd5f Merge pull request #16 from czarkoff/clock 
Use clock_gettime() instead of clock()
 2016-08-15 12:26:56 +12:00
Dmitrij D. Czarkoff
1de1a466b8 Store time in milliseconds 2016-08-15 00:28:24 +02:00
Dmitrij D. Czarkoff
c13db788bb Use clock_gettime() instead of clock() 
clock() provides approximation of processor time used, measured in "clocks".
Amount of clock per second varies between 100 (Minix, NetBSD, OpenBSD), 128
(DragonFly BSD, FreeBSD, older versions of MacOS X), 1000 (Windows) and 1000000
(Linux, newer versions of MacOS X, Solaris).  The range of these numbers make
conversion to milliseconds (the unit of display in `qrtest`) problematic.
clock_gettime() with its nanosecond time base appears to be a better and more
portable alternative to clock().
 2016-08-13 23:14:55 +02:00
Dmitrij D. Czarkoff
e9b279786a Ignore libquirc.so with any suffix 2016-08-11 12:26:08 +02:00
Dmitrij D. Czarkoff
47f99adf28 Move -fPIC to default CFLAGS 2016-08-11 12:25:08 +02:00
Dmitrij D. Czarkoff
f7549f0948 Avoid '$^' variable 
GNU make extension, which is not supported by other make programs.
 2016-08-11 11:35:55 +02:00
Dmitrij D. Czarkoff
3731dc0b46 Use proper inference rules 2016-08-11 11:34:13 +02:00
Dmitrij D. Czarkoff
38b491c9ba Allow specifying linker flags 2016-08-11 00:30:47 +02:00
Dmitrij D. Czarkoff
1bd6d0f5f0 Allow overriding default CFLAGS 2016-08-11 00:29:21 +02:00
Dmitrij D. Czarkoff
4206849da9 Fix shared library instructions 2016-08-11 00:32:09 +02:00
Dmitrij D. Czarkoff
35b50246f4 Avoid '$(shell ...)' macro 
$(shell ...) macro is a GNU make extension.  GNU make also supports `!=`
operator, which is more portable.
 2016-08-11 00:21:17 +02:00
Dmitrij D. Czarkoff
22cd4d061c Don't compile objects twice 
PIC objects can be used for static library as well, so there is no reason to
build two sets of objects.
 2016-08-11 00:18:58 +02:00
Daniel Beer
b19987eb6a Merge pull request #14 from czarkoff/png14 
Replaced remaining instance of png_infopp_NULL
 2016-08-11 13:48:54 +12:00
Daniel Beer
271173c1f5 Merge pull request #13 from czarkoff/openbsd 
Fix V4L2 includes on OpenBSD
 2016-08-11 13:48:40 +12:00
Dmitrij D. Czarkoff
894e8c8b2d Replaced remaining instance of png_infopp_NULL 2016-08-11 01:21:45 +02:00
Dmitrij D. Czarkoff
4ca654da50 Fix V4L2 includes on OpenBSD 2016-08-11 01:06:51 +02:00
Daniel Beer
e6e8c381bb Merge pull request #12 from czarkoff/png14 
Fix compatibility with newer libpng
 2016-08-11 10:37:47 +12:00
Dmitrij D. Czarkoff
176ba28362 Fix compatibility with newer libpng 2016-08-11 00:02:38 +02:00
Daniel Beer
d968f0ae33 Merge pull request #11 from kAworu/display-human-readable-data-type 
dump_data: display a human readable Data type.
 2016-07-20 08:24:06 +12:00
Daniel Beer
7ee3a62b1a Merge pull request #10 from kAworu/PNG_COLOR_TYPE_PALETTE 
PNG_COLOR_TYPE_PALETTE support for inspect and qrtest.
 2016-07-20 07:49:19 +12:00
Alexandre Perrin
d78123da72 dump_data: display a human readable Data type. 2016-07-18 14:27:17 +02:00
Alexandre Perrin
443bb5576f PNG_COLOR_TYPE_PALETTE support for inspect and qrtest. 2016-07-18 14:23:08 +02:00
Alexandre Perrin
3a6efb3d84 Large images decoding support 
Fix #2, this patch makes large images support a compile time option by
allowing QUIRC_MAX_REGIONS to be tuned via CFLAGS up to 65534 (current
default is 254).
 2016-07-15 14:40:40 +02:00
Alexandre Perrin
09cc95b989 check_if_png: clarify comments. 
Before this patch check_if_png() comment was kind of misleading because
it talked about the behaviour of png_sig_cmp() which isn't the same as
check_if_png().
 2016-07-14 16:04:26 +02:00
Daniel Beer
e8005d43c6 dbgutil.c: use C89-compatible variable declarations. 2016-07-13 08:54:52 +12:00
Alexandre Perrin
549f5b2c4d png support for inspect and qrtest. 2016-07-12 09:34:11 +02:00
Daniel Beer
2cb90d5dd4 mjpeg: fix missing dereference operator. 2015-12-08 17:34:57 +13:00
Daniel Beer
3a3df0d1d6 demo: rewrite camera driver. 
New camera driver doesn't depend on obsolete headers (linux/videodev.h),
and should work on more types of cameras.
 2014-10-20 16:59:45 +13:00
Daniel Beer
42c79481e7 decode: support multiple data segments. 
Previously, the payload was assumed to consist of one large data
segment. Now, multiple segments of different types may be concatenated
together. The data type reported is the highest data type encountered
while decoding.
 2013-05-29 10:26:13 +12:00
Daniel Beer
bc253ec3ea qrtest: fix filename extension check. 2013-05-29 10:23:23 +12:00
Daniel Beer
daf6d7c90b decode: fix reversed tuples in numeric decoder. 2013-05-29 09:40:46 +12:00
Daniel Beer
0335fabf97 Fix decoding of numeric and alphanumeric data types. 
If the number of characters in the stream isn't a multiple of the full
tuple size, the remaining characters are encoded in a special short
tuple.
 2013-05-14 09:25:05 +12:00
Daniel Beer
8d0eb68255 test_neighbours: fix warnings in static analyzer. 
Coverity complains that a negative value of best_v might be passed to
record_qr_grid().

Fix supplied by Harald Eilertsen (http://github.com/snake66/).
 2013-02-02 18:07:22 +13:00
Daniel Beer
c8b1861b8f quirc_strerror: fix off by one error. 
Bug reported by Harald Eilertsen (http://github.com/snake66/).
 2013-02-02 18:04:49 +13:00
Daniel Beer
bdbd932b72 Add protection against stack overflow when flood-filling. 2012-11-13 10:45:55 +13:00
Daniel Beer
b7a6827b54 Fixed possible division by zero in qrtest. 2012-11-13 10:43:36 +13:00
Daniel Beer
a3142bc6b4 Initial commit: version 1.0. 2012-05-04 12:58:42 +12:00