[FFmpeg-devel] [PATCH] avcodec/qdrw: support 16bpp files with bppcnt == 2 && bpp == 8

2017-03-22 Thread Piotr Bandurski
fixes ticket #6254 0001-avcodec-qdrw-support-16bpp-files-with-bppcnt-2-bpp-8.patch Description: Binary data ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] avformat/caf: add 'aacl' codec tag

2017-01-18 Thread Piotr Bandurski
Hi, Have samples? Yes: www.megafileupload.com www.megafileupload.com Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

[FFmpeg-devel] [PATCH] avformat/caf: add 'aacl' codec tag

2017-01-18 Thread Piotr Bandurski
0001-PATCH-avformat-caf-add-aacl-codec-tag.diff Description: Binary data ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] Changelog : add OpenExr improvements

2016-06-08 Thread Piotr Bandurski
Hi, > In attach, patch to add entry to the changelog, for recently add OpenExr > features Could you add support for grayscale images as well? https://trac.ffmpeg.org/ticket/5621 Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org

Re: [FFmpeg-devel] IRC meeting

2016-06-04 Thread Piotr Bandurski
Hi, The problem with this project is that it has not enough active developers. It looks like most of the devs swiched into "stand-by" mode or something and sadly no new people are joining in to push development forward ;) Regards ___ ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] avcodec: add MagicYUV decoder

2016-06-02 Thread Piotr Bandurski
Hi, > > 2016-05-30 17:50 GMT+02:00 Paul B Mahol <one...@gmail.com>: > > On 5/30/16, Piotr Bandurski <ami_st...@o2.pl> wrote: > >> Hi, > >> > >>> patch attached. > >> > >> Is decoding of interlaced video support

Re: [FFmpeg-devel] [PATCH] avcodec: add MagicYUV decoder

2016-05-30 Thread Piotr Bandurski
> Updated patch attached. There seems to be some bug in interlaced support (related to "Full range YUV" option in encoder). How to reproduce: encode video with enabled "Interlaced" and "Full range YUV" options together and then try to decode this with your latest version of decoder.

Re: [FFmpeg-devel] [PATCH] avcodec: add MagicYUV decoder

2016-05-30 Thread Piotr Bandurski
> Can you create YUVA video somehow? I can't with virtualdub. https://www.datafilehost.com/d/49ea26f8 ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] avcodec: add MagicYUV decoder

2016-05-30 Thread Piotr Bandurski
Hi, > patch attached. Is decoding of interlaced video supported? Because I get here invalid output. Also crash happens with this fuzzed file: https://www.datafilehost.com/d/c64eb5b1 Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org

[FFmpeg-devel] [PATCH] avcodec/iff: mention RGB8/RGBN decoder

2016-05-22 Thread Piotr Bandurski
0001-avcodec-iff-mention-RGB8-RGBN-decoder.diff Description: Binary data ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] IFF ANIM decoder

2016-05-11 Thread Piotr Bandurski
> > > Updated patch attached. > > > > Great, so far I found only these problematic files: > > > > https://www.datafilehost.com/d/871e7429 > > Here are 6 more files (of course if you don't know how to fix something them > decoder still LGTM - it can be fixed later): > >

Re: [FFmpeg-devel] [PATCH] IFF ANIM decoder

2016-05-11 Thread Piotr Bandurski
> > Updated patch attached. > > Great, so far I found only these problematic files: > > https://www.datafilehost.com/d/871e7429 Here are 6 more files (of course if you don't know how to fix something them decoder still LGTM - it can be fixed later): https://www.datafilehost.com/d/bc2e06a2

Re: [FFmpeg-devel] [PATCH] IFF ANIM decoder

2016-05-11 Thread Piotr Bandurski
> On 5/11/16, Paul B Mahol wrote: > > Hi, > > > > patch attached. > > > > Updated patch attached. Great, so far I found only these problematic files: https://www.datafilehost.com/d/871e7429 ___ ffmpeg-devel mailing list

Re: [FFmpeg-devel] [PATCH]: add DST decoder

2016-05-09 Thread Piotr Bandurski
> > this eating up memory: > > Another one attached. similar issue with this file: https://www.datafilehost.com/d/798e9109 ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH]: add DST decoder

2016-05-09 Thread Piotr Bandurski
> Sorry, this one should work. this eating up memory: https://www.datafilehost.com/d/3226dd07 ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] avformat/riff: add M102 FourCC

2016-05-06 Thread Piotr Bandurski
samples are here: https://www.datafilehost.com/d/1a93d9a6 (some matrox uncompressed samples I posted to ticket #2616 are invalid due to bug in the older version of matrox codec which I used to encode them) ___ ffmpeg-devel mailing list

[FFmpeg-devel] [PATCH] avformat/riff: add M102 FourCC

2016-05-06 Thread Piotr Bandurski
0001-avformat-riff-add-M102-FourCC.patch Description: Binary data ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-05-06 Thread Piotr Bandurski
> > > On 5/5/16, Piotr Bandurski <ami_st...@o2.pl> wrote: > > >> > > > > > > > > Improved version attached. > > >> > > > > > >> > > > I found another bug, this time in lossy

Re: [FFmpeg-devel] [PATCH 57/57] support for matrox m703 mpeg-2

2016-05-06 Thread Piotr Bandurski
> file attached but i think there is something wrong with the encoder > used, the files do not seem to contain enough non zero bits to > be able to contain full yuv422 10bit > so i am not sure this will resolve this ok, encoded it to m101 10bit: https://www.datafilehost.com/d/119d82c3

Re: [FFmpeg-devel] [PATCH 1/2] avcodec: add M101 decoder

2016-05-05 Thread Piotr Bandurski
> +AVCodec ff_m101_decoder = { > +.name = "m101", > +.long_name = NULL_IF_CONFIG_SMALL("matrox uncompressed sd"), "Matrox Uncompressed SD" would look better. ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org

Re: [FFmpeg-devel] [PATCH 57/57] support for matrox m703 mpeg-2

2016-05-05 Thread Piotr Bandurski
> a 10bit file with some smooth 10bit gradients would make it > easier to assign the LSBs correctly. The existing file has half of > them 0 > > [...] I reencoded this: https://samples.mplayerhq.hu/V-codecs/v210/v210_720p.avi to M101: https://www.datafilehost.com/d/98759d14

Re: [FFmpeg-devel] [PATCH 57/57] support for matrox m703 mpeg-2

2016-05-05 Thread Piotr Bandurski
> > a 10bit file with some smooth 10bit gradients would make it > > easier to assign the LSBs correctly. The existing file has half of > > them 0 > > You mean something like this?: > > http://bennettfeely.com/gradients/img/gradient_24.png If not then please point me to something useful and I

Re: [FFmpeg-devel] [PATCH 57/57] support for matrox m703 mpeg-2

2016-05-05 Thread Piotr Bandurski
Dnia 5 maja 2016 19:47 Michael Niedermayer <mich...@niedermayer.cc> napisał(a): > On Tue, May 03, 2016 at 12:10:22PM +0200, Piotr Bandurski wrote: > > > > > > > > Dnia 3 maja 2016 11:54 Piotr Bandurski <ami_st...@o2.pl> napisał(a): > > > &

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-05-05 Thread Piotr Bandurski
> On 5/5/16, Piotr Bandurski <ami_st...@o2.pl> wrote: > >> > > > > > > > > Improved version attached. > >> > > > > >> > > > I found another bug, this time in lossy mode - the file encoded as > >> &

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-05-05 Thread Piotr Bandurski
> > > > > > > > > Improved version attached. > > > > > > > > I found another bug, this time in lossy mode - the file encoded as > > > > "joint stereo" decodes after a few seconds into noise: > > > > > > > > https://www.datafilehost.com/d/c2e8b332 > > > > > > here are a few more samples: > > >

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-05-05 Thread Piotr Bandurski
> > > > > > > Improved version attached. > > > > > > I found another bug, this time in lossy mode - the file encoded as "joint > > > stereo" decodes after a few seconds into noise: > > > > > > https://www.datafilehost.com/d/c2e8b332 > > > > here are a few more samples: > > > >

Re: [FFmpeg-devel] [PATCH 57/57] support for matrox m703 mpeg-2

2016-05-03 Thread Piotr Bandurski
Dnia 3 maja 2016 11:54 Piotr Bandurski <ami_st...@o2.pl> napisał(a): > > > Hi, > > > as long as we are throwing out questions. > > > > the m70x stuff is similar to m10x . and uses same binary codec: > > > > VIDC.M101=mvcVfw.dll VFW M101 Ma

Re: [FFmpeg-devel] [PATCH 57/57] support for matrox m703 mpeg-2

2016-05-02 Thread Piotr Bandurski
> > > > VIDC.m702=digivcap.dll Matrox Offline HD > > It looks like I managed to create samples for this: > > "This codec renders video to a proxy HD video format for video editing > purposes. > > Resolutions supported: 320x180 for 720p projects, and 480x270 for 1080i/p > projects" > > but

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-05-01 Thread Piotr Bandurski
> > > > > Improved version attached. > > > > I found another bug, this time in lossy mode - the file encoded as "joint > > stereo" decodes after a few seconds into noise: > > > > https://www.datafilehost.com/d/c2e8b332 > > here are a few more samples: > >

Re: [FFmpeg-devel] [PATCH 57/57] support for matrox m703 mpeg-2

2016-05-01 Thread Piotr Bandurski
> > VIDC.m702=digivcap.dll Matrox Offline HD It looks like I managed to create samples for this: "This codec renders video to a proxy HD video format for video editing purposes. Resolutions supported: 320x180 for 720p projects, and 480x270 for 1080i/p projects" but the problem is that there

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-05-01 Thread Piotr Bandurski
> > > Improved version attached. > > I found another bug, this time in lossy mode - the file encoded as "joint > stereo" decodes after a few seconds into noise: > > https://www.datafilehost.com/d/c2e8b332 here are a few more samples: https://www.datafilehost.com/d/e4825eb4 quantization: 1.15

Re: [FFmpeg-devel] [PATCH] avformat/riff: assign g721 and g723codec tags to g726 decoder

2016-04-30 Thread Piotr Bandurski
> > On Wed, 27 Apr 2016 20:39:34 +0200 > Piotr Bandurski <ami_st...@o2.pl> wrote: > > > Subject: [PATCH] avformat/riff: assign g721 and g723 codec tags to > > g726 decoder > > > + { AV_CODEC_ID_ADPCM_G726, 0x0014 }, > > + { AV_CODEC_ID_ADPCM_G7

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-04-29 Thread Piotr Bandurski
> I found another bug, this time in lossy mode - the file encoded as "joint > stereo" decodes after a few seconds into noise: > > https://www.datafilehost.com/d/c2e8b332 There seems to be infinite loop while decoding fuzzed file: https://www.datafilehost.com/d/eab97154 Please fix it as well

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-04-28 Thread Piotr Bandurski
> Improved version attached. I found another bug, this time in lossy mode - the file encoded as "joint stereo" decodes after a few seconds into noise: https://www.datafilehost.com/d/c2e8b332 ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-04-28 Thread Piotr Bandurski
> > also it deadlocks with mono files: > > > > https://www.datafilehost.com/d/b702c504 > > > > Did you used lossless mode with this one? If not, could you provide > source of this file? this file should be lossless as well, but just in case here is source wav file:

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-04-28 Thread Piotr Bandurski
> > I did a quick test, but it's not bitexact here: > > > > https://www.datafilehost.com/d/4820b89a > > > > You sure this is lossless file? Yes. ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-04-28 Thread Piotr Bandurski
> I did a quick test, but it's not bitexact here: > > https://www.datafilehost.com/d/4820b89a also it deadlocks with mono files: https://www.datafilehost.com/d/b702c504 ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org

Re: [FFmpeg-devel] [PATCH] Bonk decoder and demuxer

2016-04-28 Thread Piotr Bandurski
Hi, I did a quick test, but it's not bitexact here: https://www.datafilehost.com/d/4820b89a Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] avformat/riff: assign g721 and g723 codec tags to g726 decoder

2016-04-27 Thread Piotr Bandurski
samples are here: https://www.datafilehost.com/d/22d21d44 ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

[FFmpeg-devel] [PATCH] avformat/riff: assign g721 and g723 codec tags to g726 decoder

2016-04-27 Thread Piotr Bandurski
0001-avformat-riff-assign-g721-and-g723-codec-tags-to-g72.diff Description: Binary data ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-03-11 Thread Piotr Bandurski
Hi, Could you post v3 of your patch? I want to test it with some files. Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] Vertical bands with RT21 (Intel Real Time Video 2.1)codec

2016-03-11 Thread Piotr Bandurski
Hi, > > > Samples: https://drive.google.com/open?id=0B3_pEBoLs0faei1Sd1h6SG11QlE > > Mats This will be fixed when someone merges http://comments.gmane.org/gmane.comp.video.libav.scm/17960 Regards ___ ffmpeg-devel mailing list

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-26 Thread Piotr Bandurski
Hi, > > And check also this: > > > > http://www.randelshofer.ch/animapplet/ > > > > public class ANIMDeltaFrame > > extends ANIMFrame { > > > > private int leftBound, topBound, rightBound, bottomBound; > > private final static int // > > ENCODING_BYTE_VERTICAL = 5, > > ENCODING_VERTICAL_7_SHORT =

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-22 Thread Piotr Bandurski
Hi, And check also this: http://www.randelshofer.ch/animapplet/ public class ANIMDeltaFrame extends ANIMFrame { private int leftBound, topBound, rightBound, bottomBound; private final static int // ENCODING_BYTE_VERTICAL = 5, ENCODING_VERTICAL_7_SHORT =

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-22 Thread Piotr Bandurski
Hi, > This datatype/library decodes 74/J: > > http://aminet.net/package/util/dtype/animdtc0112 Also there is "movie" player here (+ some 74/J samples), but without source code: http://aminet.net/package/misc/fish/fish-0116 It plays BingThrows file correctly. Regards

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-22 Thread Piotr Bandurski
Hi, > What software correctly plays BoingThrows? It is 74/J compression. This datatype/library decodes 74/J: http://aminet.net/package/util/dtype/animdtc0112 Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-21 Thread Piotr Bandurski
Hi, > Locally fixed. If no furhter comments will push soon. With delta > compression using PutByte API. Ok, if this is fixed then let's move to ANIM-7. Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-20 Thread Piotr Bandurski
Hi, > 2nd version attached. These files fails to decode: http://www.datafilehost.com/d/d5a2d63f Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-20 Thread Piotr Bandurski
Hi, > What this VirtualDub thing use for ANIM decoding? It has internal decoder for IFF ANIM - see "InputFileANIM.cpp". Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-20 Thread Piotr Bandurski
Hi, > >> The player I have shows same artefacts with AmigaRHQ sample. > > > > AmigaRHQ doesn't decode here: > > Because i have fix locally, I asked do you have player that plays > it without artefacts? Both xanim and iffanimplay shows artefacts. No, Amiga software plays this file with artefacts

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-20 Thread Piotr Bandurski
Hi, > The player I have shows same artefacts with AmigaRHQ sample. AmigaRHQ doesn't decode here: D:\>ffmpegm -i AmigaRHQ -b:v 2000k out.avi ffmpeg version 3.0.git Copyright (c) 2000-2016 the FFmpeg developers built with gcc 4.6.2 (GCC) configuration: --disable-pthreads --disable-ffprobe

Re: [FFmpeg-devel] [PATCH] IFF ANIM support

2016-02-20 Thread Piotr Bandurski
Hi, > patch attached. Very nice. I tested it a bit. Here are some problematic samples (some files doesn't decode, some decodes with artefacts): http://www.datafilehost.com/d/65783e33 Regards ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org

Re: [FFmpeg-devel] [PATCH] avcodec/cfhd: Make sure we have an end ofheader tag before allocating a frame.

2016-02-01 Thread Piotr Bandurski
> > Fixes tickets #5208 and #5209 Hmm, something strange happens here. I get crash only without valgrind (32-bit build): aaa@aaa-VirtualBox /media/sdb1 $ valgrind --leak-check=full ffmpeg/ffmpeg_g -loglevel -1 -threads 1 -i 3_fuzz.avi -f null - ==13424== Memcheck, a memory error detector

[FFmpeg-devel] [PATCH] avformat/riff: add YUYV FourCC (Drastic YUYV)

2016-01-14 Thread Piotr Bandurski
0001-avformat-riff-add-YUYV-FourCC-Drastic-YUYV.diff Description: Binary data ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

[FFmpeg-devel] [PATCH] avformat/riff: add C210 FourCC (Canopus C210)

2016-01-14 Thread Piotr Bandurski
0001-avformat-riff-add-C210-FourCC-Canopus-C210.diff Description: Binary data ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] avformat/riff: add C210 FourCC (CanopusC210)

2016-01-14 Thread Piotr Bandurski
> Sample? http://www.datafilehost.com/d/a36bf92f ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH] avformat/riff: add YUYV FourCC (DrasticYUYV)

2016-01-14 Thread Piotr Bandurski
> Sample? http://www.datafilehost.com/d/0d19a1cb ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

[FFmpeg-devel] [PATCH] avformat/riff: add C210 FourCC (Canopus C210)

2016-01-14 Thread Piotr Bandurski
0001-avformat-riff-add-C210-FourCC-Canopus-C210.diff Description: Binary data ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] [PATCH 1/2] avcodec: Add Cineform HD Decoder

2016-01-10 Thread Piotr Bandurski
Hi, Great work, but I found some issues. This I got with fuzzed file: ==13422== Invalid read of size 4 ==13422==at 0x834D003: cfhd_decode (cfhd.c:293) ==13422==by 0x863D051: frame_worker_thread (pthread_frame.c:147) ==13422==by 0x40ECF6F: start_thread (pthread_create.c:312)

Re: [FFmpeg-devel] Vertical bands with RT21 (Intel Real TimeVideo2.1) codec

2015-12-19 Thread Piotr Bandurski
> And ir21.dll ? http://www.moviecodec.com/download-video-codecs/indeo-2-319598me-30/ ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Re: [FFmpeg-devel] Vertical bands with RT21 (Intel Real Time Video2.1) codec

2015-12-18 Thread Piotr Bandurski
Dnia 18 grudnia 2015 18:54 Paul B Mahol napisał(a): > > > On 12/18/15, Mats Peterson wrote: > > On 12/18/2015 05:32 AM, Mats Peterson wrote: > >> On 12/18/2015 05:12 AM, Mats Peterson wrote: > >>> On 12/18/2015 04:13 AM, Mats Peterson

[FFmpeg-devel] [PATCH] avcodec/lcldec: fix decoding of YUV444 sample

2014-08-17 Thread Piotr Bandurski
Hi, Attached patch fixes decoding of this file: http://www.datafilehost.com/d/1bde8ab0 Regards 0001-avcodec-lcldec-fix-decoding-of-YUV444-sample.patch Description: Binary data ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org