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1369 Commits

Author SHA1 Message Date
Michael Niedermayer
5a68b1ac3b mandelbrot: add inner drawing method to show converence time 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-15 17:26:51 +01:00
Michael Niedermayer
5582e557e6 mandelbrot: add "fractal" to the description 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-15 17:26:46 +01:00
Michael Niedermayer
4c52adad69 mandelbrot: Fix "warning: passing argument 2 of ‘draw_mandelbrot’ from incompatible pointer type" 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-15 17:26:41 +01:00
Stefano Sabatini
2b1a4c5b34 amovie: avoid crash in amovie_request_frame() if no samplesref is available 
The crash occurrs when a frame is successfully decoded, but no decoded
data is immediately available (typically happens with ogg/vorbis).
 2011-11-15 00:10:15 +01:00
Michael Niedermayer
73af8ea356 mandelbrot: add math.h for log2() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-14 05:56:03 +01:00
Michael Niedermayer
70eb58cd92 mandelbrot: avoid INFINITY as openbsd seems not to like it. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-14 05:47:56 +01:00
Michael Niedermayer
b1b0fd2790 pad: fix format string length 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-14 05:42:10 +01:00
Stefano Sabatini
3a9f2f1d65 vsrc_mandelbrot: set options through the opt framework 2011-11-13 21:31:23 +01:00
Giorgio Vazzana
c15400afc5 mandelbrot: remove always-false condition in fill_from_cache 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 19:41:21 +01:00
Michael Niedermayer
08dadd331f mandelbrot: allow visualizing the period of converged points. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 19:28:24 +01:00
Michael Niedermayer
e8499ab171 mandelbrot: Add inner variable & enum for inner coloring schemes. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 19:26:22 +01:00
Michael Niedermayer
3cbe9afba5 mandelbrot: only check bailout once every 2 iterations. 
Once we bailed out we calculate the exact iteration in which it would have happened if needed.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 18:14:40 +01:00
Michael Niedermayer
41fd1b2d5a mandelbrot: add SQR() macro 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 18:14:10 +01:00
Giorgio Vazzana
e555119c73 mandelbrot: correct and simplify the formula used in NORMALIZED_ITERATION_COUNT 
Use log(sqrt(mb->bailout)) instead of log(mb->bailout) because mb->bailout represent
the bailout radius squared, and then simplify the two sqrt().
This is also slightly faster.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 17:33:09 +01:00
Michael Niedermayer
88166fc579 mandelbrot: unroll the innermost loop once. 
This allows us to remove a if() and a variable assignment.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 17:01:56 +01:00
Michael Niedermayer
1d06608732 mandelbrot: only check periodicity once for each period instead of twice. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 17:01:56 +01:00
Michael Niedermayer
2fee131b9e mandelbrot: use period detection depening on left pixel and not the 
previous calculated pixel, this is more accurate due to the last
calculated often being farther away.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 17:01:56 +01:00
Giorgio Vazzana
be97e7b9c2 mandelbrot: remove unused variables 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 01:27:30 +01:00
Giorgio Vazzana
459bba58d2 mandelbrot: add missing options to the parsing code 
The following options were added: end_scale, end_pts, bailout, outer.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-13 01:27:30 +01:00
Giorgio Vazzana
6024bdb21a mandelbrot: fix sscanf format string 
Replace ',' with ':'

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 21:00:12 +01:00
Michael Niedermayer
32dd67162a mandelbrot: Print a note if the cache is too small 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 17:05:11 +01:00
Michael Niedermayer
905202ef6e mandelbrot: increase cache size 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 17:04:50 +01:00
Michael Niedermayer
fd8d03457a mandelbrot: increase resolution, and decrease zoom speed to maintain the cpu requirement. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 17:04:08 +01:00
Michael Niedermayer
40d6e30c55 mandelbrot: increase default maxiter 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:46:41 +01:00
Michael Niedermayer
6c5dd858b4 mandelbrot: Only use cycle detection if previous pixel was an interior pixel 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:46:21 +01:00
Michael Niedermayer
50b8f9388a mandelbrot: detect cycles to speed up interior rendering. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:46:16 +01:00
Michael Niedermayer
3de934c873 mandelbrot: increase default maxiter to 1024 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:44:53 +01:00
Michael Niedermayer
07f272bdbb mandelbrot: use cache to avoid recalculating points. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:44:53 +01:00
Michael Niedermayer
8ca891fc1a mandelbrot: more interresting zoom coordinates borrowed from wikipedia. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 16:44:53 +01:00
Michael Niedermayer
ddeb194b14 mandelbrot: add a end_scale and pts so we can zoom in. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 00:04:16 +01:00
Michael Niedermayer
dece017280 mandelbrot: center coordinate reference on the images center 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 00:04:15 +01:00
Michael Niedermayer
aa198ad679 mandelbrot: make 2 variables const 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 00:04:15 +01:00
Michael Niedermayer
0e5b05134b mandelbrot: fix typo that led to hardcoded max iteration count. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-12 00:04:15 +01:00
Michael Niedermayer
4ccd898af2 mandelbrot: support different outer coloring methods. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 23:22:04 +01:00
Michael Niedermayer
75e309160b mandelbrot: make bailout a variable 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 23:21:42 +01:00
Michael Niedermayer
847e61de4a avfilter: bump minor for mandelbrot 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 23:20:25 +01:00
Michael Niedermayer
658d166da0 avfilter: add mandelbrot fraktal source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 22:47:06 +01:00
Michael Niedermayer
393b234fa1 yadif, its 2011 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 17:06:47 +01:00
Michael Niedermayer
825481e87b yadif: reject reuse2 buffers as we cant use frames that change under our 
fingers.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-11 17:06:07 +01:00
Stefano Sabatini
dec354ba1d vf_fade: reindent after previous commit 2011-11-10 01:31:28 +01:00
Mark Himsley
8c1fb50d07 vf_fade: add alpha option and alpha fading support 
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2011-11-10 01:31:13 +01:00
Mark Himsley
0d602615ab vf_fade: add support to options parsing 
Extend fade syntax, required by a pending patch.

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2011-11-10 01:28:31 +01:00
Nicolas George
68b531fe6a src_movie: set the channel layout to default if the codec did not set it. 
Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-06 01:19:56 +01:00
Reimar Döffinger
5af7daabc4 Mark AVFilterPad[] compound literals as const. 
GCC 4.6.2 at least still seems to fail to put them in .rodata though,
see also http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37303

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-06 00:05:14 +01:00
Reimar Döffinger
b052601b95 Make another static array const. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-05 15:37:02 +01:00
Reimar Döffinger
6f6ab1d9f3 Make another PixelFormat list const. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-05 15:37:02 +01:00
Reimar Döffinger
d7e95ccd9f Make PIX_FMT format list arrays const. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-05 15:37:02 +01:00
Reimar Döffinger
d78473334e Add const to static arrays where it was forgotten. 
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-05 15:37:01 +01:00
Ronald S. Bultje
43317fd52c libavfilter: reindent. 2011-11-05 07:01:39 -07:00
Ronald S. Bultje
23a8b4ddfc avfilter: don't abort() on zero-size allocations. 2011-11-05 06:59:27 -07:00
Michael Niedermayer
c28ea94cd7 af_volume: exp10() is a GNU extension. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-05 05:39:42 +01:00
Stefano Sabatini
3a1045dfda af_earwax: copy input buffer properties to output 
In particular, fix timestamps, partially address trac ticket #375.
 2011-11-05 02:45:08 +01:00
Mina Nagy Zaki
fa4f06ab5e lavfi: add earwax audio filter, ported from Sox 
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2011-11-05 02:16:45 +01:00
Stefano Sabatini
618ac71354 lavfi: add volume filter 2011-11-05 02:13:37 +01:00
Stefano Sabatini
1fc7077115 lavfi: increase number of maximum registered filters from 64 to 128 2011-11-05 02:13:37 +01:00
Stefano Sabatini
217790871e lavfi: issue error if maximum number of filters is reached 
Issue an error and return a more meaningful error code in case the
maximum number of registered filters has been reached.
This is better than silently ignore the error, improve feedback.
 2011-11-05 02:13:37 +01:00
Michael Niedermayer
259a960f1b Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  vp6: Fix illegal read.
  avfilter: Don't copy garbage from the stack when setting up video pictures.
  avcodec: Make sure codec_type is set by avcodec_get_context_defaults2
  avcodec: Remove a misplaced and useless attribute_deprecated
  avconv: add -dump_attachment option.
  avconv: add -attach option.
  avconv: make negative mappings disable only streams from the specified file
  fmtconvert: fix int32_to_float_fmul_scalar() for windows x86_64

Conflicts:
	libavcodec/options.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-04 01:44:06 +01:00
Alex Converse
0d7a16a946 avfilter: Don't copy garbage from the stack when setting up video pictures. 2011-11-03 15:54:04 -07:00
Reimar Döffinger
96949dafcc Replace all strcasecmp/strncasecmp usages. 
All current usages of it are incompatible with localization.
For example strcasecmp("i", "I") != 0 is possible, but would
break many of the places where it is used.
Instead use our own implementations that always treat the data
as ASCII.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2011-11-03 19:25:26 +01:00
Michael Niedermayer
988f585fcb Merge remote-tracking branch 'qatar/master' 
* qatar/master: (44 commits)
  replacement Indeo 3 decoder
  gsm demuxer: do not allocate packet twice.
  flvenc: use first packet delay as global delay.
  ac3enc: doxygen update.
  imc: return error codes instead of 0 for error conditions.
  imc: return meaningful error codes instead of -1
  imc: do not set channel layout for stereo
  imc: validate channel count
  imc: check for ff_fft_init() failure
  imc: check output buffer size before decoding
  imc: use DSPContext.bswap16_buf() to byte-swap packet data
  rtsp: add allowed_media_types option
  libgsm: add flush function to reset the decoder state when seeking
  libgsm: simplify decoding by using a loop
  gsm: log error message when packet is too small
  libgsmdec: do not needlessly set *data_size to 0
  gsmdec: do not needlessly set *data_size to 0
  gsmdec: add flush function to reset the decoder state when seeking
  libgsmdec: check output buffer size before decoding
  gsmdec: log error message when output buffer is too small.
  ...

Conflicts:
	Changelog
	ffplay.c
	libavcodec/indeo3.c
	libavcodec/mjpeg_parser.c
	libavcodec/vp3.c
	libavformat/cutils.c
	libavformat/id3v2.c
	libavutil/parseutils.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-03 02:16:26 +01:00
Stefano Sabatini
0b3e9d5dc6 vf_overlay: adopts FAST_DIV255 macro for calculating destination alpha 
Ease readability, improve exactness.
 2011-11-02 21:44:13 +01:00
Mark Himsley
91dfb73852 vf_fade: fade to correct CCIR601/709 black level 
Current implementation fades to 0. This implementation fades to 16 for
YUV formats that contain CCIR601/709 video levels. RGB and YUVJ
formats are not altered.

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2011-11-02 21:44:13 +01:00
Diego Biurrun
959cfbf3f4 vsrc_testsrc: fix mailing list reference URL 2011-11-02 10:42:55 +01:00
Diego Biurrun
124e28847b Remove some stray unnecessary ffmpeg references. 2011-11-02 10:42:54 +01:00
Michael Niedermayer
3fd0f6ed25 vf_transpose: remove pix_fmts which can currently not be supported. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-11-01 23:45:28 +01:00
Stefano Sabatini
30647fb45a lavfi: bump micro after recent changes in the overlay filter 2011-10-31 11:19:53 +01:00
Stefano Sabatini
2f7c8aefa8 vf_overlay: add support to alpha pre-multiplication in the RGBA path 
Based on the work of Mark Himsley <mark@mdsh.com>.

See thread:
Subject: [FFmpeg-devel] libavfilter: extending overlay filter
Date: Sun, 13 Mar 2011 14:18:42 +0000
 2011-10-31 11:06:31 +01:00
Stefano Sabatini
3013bfa81e vf_overlay: enable RGB path 
Add option rgb which forces the RGB path.
 2011-10-31 11:06:19 +01:00
Stefano Sabatini
b54c0a552d vf_overlay: use opt.h API for setting options 
Extend syntax, allow to easily add more options later.
 2011-10-30 21:10:54 +01:00
Stefano Sabatini
8dc90371b1 lavfi: add internal function ff_fill_rgba_map() 2011-10-28 02:06:50 +02:00
Clément Bœsch
9bd23f6815 ashowinfo: fix typo in description. 2011-10-27 22:16:24 +02:00
Clément Bœsch
a0b7853f7a vf_showinfo: print checksums in hexadecimal. 2011-10-27 22:14:57 +02:00
Michael Niedermayer
3e4375833d vf_scale: Request an aligned buffer. 
Fixes Ticket594

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-27 03:46:50 +02:00
Michael Niedermayer
d7dcd96a23 vf_pad: Fix alignment of get_video_buffer() 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-27 03:46:09 +02:00
Michael Niedermayer
d18fd13f30 avfilter: add named constamt to indicate the amount of alignment that AV_PERM_ALIGN means. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-27 03:45:02 +02:00
Michael Niedermayer
4d34b6c1a1 avfilter: add flag to indicate that alignment is needed 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-27 03:44:41 +02:00
Mark Himsley
9f9b2ab1b1 vsrc_testsrc: fix off-by-one logic when detecting the EOF time in request_frame() 
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
 2011-10-25 23:38:56 +02:00
Mark Himsley
1ca1336067 testsrc seconds display is out-by-one frame 
Without this patch each displayed second is incremented 1 frame early,
second 0 is only 24 frames long where as every other second is 25 frames
long.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-25 18:24:25 +02:00
Stefano Sabatini
d9d492513d vsrc_testsrc: increase log level from DEBUG to INFO for message in init() 2011-10-24 17:47:59 +02:00
Stefano Sabatini
1f4652068e lavfi: rewrite nullsrc using the code in vsrc_testsrc.c 
Factorize code, extend the functionality of the filter, and make it
return empty buffers. This is useful for filters which ignore the input
frames content.

This is also changing the syntax of the nullsrc source, and dropping the
framerate expression evaluation, which does not look particularly useful.
 2011-10-24 17:46:48 +02:00
Stefano Sabatini
42d44ec306 vsrc_testsrc: do not assume non-padded lines in test_fill_picture() 
In particular, fix sliding color bar with padded data, for example with
testsrc,pad=iw+200:ih.
 2011-10-23 23:54:37 +02:00
Stefano Sabatini
1679a40b74 vf_boxblur: fix slice-drawing 
This filter does not support slice-drawing, the whole blurred image needs
to be written in end_frame().
 2011-10-23 23:54:37 +02:00
Stefano Sabatini
43fce2214b lavfi: add missing header mulitple-inclusion guard in transform.h 2011-10-20 15:59:20 +02:00
Stefano Sabatini
99d48b07d1 lavfi/transform.h: apply misc doxy cosmetical changes 2011-10-20 15:59:12 +02:00
Michael Niedermayer
d0492578c8 Merge remote-tracking branch 'qatar/master' 
* qatar/master:
  presets: rename presets directory
  lavc: make avcodec_get_context_defaults3 "officially" public
  lavf: replace av_new_stream->avformat_new_stream part II.
  lavf,lavd: replace av_new_stream->avformat_new_stream part I.
  lavf: add avformat_new_stream as a replacement for av_new_stream.
  Use correct scaling table for bwd-pred MVs in second B-field
  Ut Video decoder
  Makefile: change presets extension to .avpreset
  lavfi: add rgbtestsrc source, ported from MPlayer libmpcodecs
  lavfi: add testsrc source
  AVOptions: add documentation.
  presets: update libx264 ffpresets

Conflicts:
	Changelog
	doc/APIchanges
	doc/ffmpeg.texi
	ffpresets/libx264-ipod320.ffpreset
	ffpresets/libx264-ipod640.ffpreset
	ffserver.c
	libavcodec/avcodec.h
	libavcodec/options.c
	libavcodec/version.h
	libavdevice/libdc1394.c
	libavfilter/avfilter.h
	libavfilter/vsrc_testsrc.c
	libavformat/flvdec.c
	libavformat/riff.c
	libavformat/version.h
	libavformat/wtv.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-20 02:34:51 +02:00
Paul Flinders
9ef714328c deshake: limit deshake to specific area to search for motion vectors. 2011-10-20 00:39:34 +02:00
Stefano Sabatini
ec2ac9271c lavfi: add rgbtestsrc source, ported from MPlayer libmpcodecs 
The licence was changed from GPL to LGPL with explicit approval from
the original author.

See thread:
Subject: [FFmpeg-devel] [PATCH] lavfi: add rgbtestsrc source,
        ported from MPlayer libmpcodecs
Date: Mon, 11 Jul 2011 16:32:41 +0200

Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-10-19 07:09:08 +02:00
Stefano Sabatini
0244879f30 lavfi: add testsrc source 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-10-19 07:08:42 +02:00
Michael Niedermayer
35674a29b7 vf_mp: Fix several incompatible pointer type warnings. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-19 00:05:30 +02:00
Michael Niedermayer
cb3034e0d1 vf_unsharp: Fix false ‘src2’ may be used uninitialized in this function warning. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-19 00:04:33 +02:00
Michael Niedermayer
e73cc2819e src_movie: Fix incompatible pointer type warning. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-19 00:03:56 +02:00
Michael Niedermayer
5ed20cfeaf vf_deshake: Fix cast discards qualifiers from pointer target type warning. 
And simplify the code in the process.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-19 00:03:13 +02:00
Michael Niedermayer
e96aa8d1a0 vf_pixdesctest: Fix incompatible pointer type warning. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-18 23:59:59 +02:00
Michael Niedermayer
abe9c54f14 yadif: Fix assignment from incompatible pointer type warning 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-18 23:59:20 +02:00
Michael Niedermayer
2982b02b79 vsrc_buffer: FIx incompatible pointer type warning 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2011-10-18 23:58:41 +02:00
Stefano Sabatini
2b72067406 asrc_aevalsrc: apply misc cleanup in the options array 
Prefer AV_OPT_* over FF_OPT, vertically align fields.
 2011-10-18 18:52:50 +02:00
Stefano Sabatini
3f20eada80 asrc_aevalsrc: prefer av_strtok() over strtok_r() 2011-10-18 18:46:58 +02:00
Stefano Sabatini
eae3a86e57 lavfi: update minor number and add Changelog entry after aevalsrc addition 2011-10-18 18:46:58 +02:00
Stefano Sabatini
36c06b0913 lavfi: add audio eval signal source 2011-10-18 18:21:04 +02:00
Stefano Sabatini
b35e9e19e9 lavu: add av_strtok() 
The function strtok_r() is part of the POSIX.1 specification, but is not
available on some platforms. We provide an internal implementation, so we
do not need to rely on a platform implementation.
 2011-10-18 18:21:03 +02:00