On Sun, Jun 30, 2019 at 05:04:38PM +0500, Anton Novikov wrote: > When I truncate the packet at next SOC, I get: > [jpeg2000 @ 0x55ce0298aa40] SIZ > [jpeg2000 @ 0x55ce0298aa40] SIZ width=2056 height=2168 tile_width=2056 > tile_height=2168 tile_offset_x=0 tile_offset_y=0 xtiles=1 ytiles=1 > [jpeg2000 @ 0x55ce0298aa40] SIZ Rsiz=0x8040 2056 2168 > [jpeg2000 @ 0x55ce0298aa40] POC > [jpeg2000 @ 0x55ce0298aa40] unsupported marker 0xFF79 at pos 0x70 > [jpeg2000 @ 0x55ce0298aa40] COD > [jpeg2000 @ 0x55ce0298aa40] extra cblk styles E > [jpeg2000 @ 0x55ce0298aa40] QCD > [jpeg2000 @ 0x55ce0298aa40] SOT > Last message repeated 3 times > [jpeg2000 @ 0x55ce0298aa40] Psot 1451180 too big > [jpeg2000 @ 0x55ce0298aa40] error during processing marker segment ff90 > > Moreover, in both SIZes, tile offsets are 0, I can't get the idea how the > file should be handled correctly. > file: https://www.file-up.org/niuxrl31dyij > fmpeg commits are attached > > вс, 30 июн. 2019 г. в 15:17, Paul B Mahol <one...@gmail.com>: > > > On 6/30/19, Anton Novikov <random.pl...@gmail.com> wrote: > > > Hi everyone, > > > I'm reversing the recent version of r3d file format, and have > > encountered a > > > JPEG2000-related thing. > > > I've got a memory dump of something that seems to be JPEG2000, and > > modified > > > ffmpeg to consume it. The log follows: > > > [r3d @ 0x558d304077c0] test > > > [r3d @ 0x558d304077c0] error reading end atom > > > Input #0, r3d, from '/home/anek/src/red/frame2.without0.r3d': > > > Duration: N/A, bitrate: N/A > > > Stream #0:0: Video: jpeg2000, bayer_rggb16le, 8192x4320, 24 fps, 24 > > > tbr, 134286336 tbn, 134286336 tbc > > > Metadata: > > > filename : ? > > > File 'frame.jpg' already exists. Overwrite ? [y/N] y > > > Stream mapping: > > > Stream #0:0 -> #0:0 (jpeg2000 (native) -> mjpeg (native)) > > > Press [q] to stop, [?] for help > > > Truncating packet of size 9496960 to 7595371 > > > /home/anek/src/red/frame2.without0.r3d: corrupt input packet in stream 0 > > > /home/anek/src/red/frame2.without0.r3d: Operation not permitted > > > [jpeg2000 @ 0x558d3041c280] SIZ > > > [jpeg2000 @ 0x558d3041c280] SIZ Rsiz=0x8040 2056 2168 > > > [jpeg2000 @ 0x558d3041c280] POC > > > [jpeg2000 @ 0x558d3041c280] unsupported marker 0xFF79 at pos 0x70 > > > [jpeg2000 @ 0x558d3041c280] COD > > > [jpeg2000 @ 0x558d3041c280] extra cblk styles E > > > [jpeg2000 @ 0x558d3041c280] QCD > > > [jpeg2000 @ 0x558d3041c280] SOT > > > Last message repeated 3 times > > > [jpeg2000 @ 0x558d3041c280] Duplicate SOC at 3821997=0x3A51AD > > > [jpeg2000 @ 0x558d3041c280] SIZ > > > [jpeg2000 @ 0x558d3041c280] SIZ Rsiz=0x8040 2056 2168 > > > [jpeg2000 @ 0x558d3041c280] POC > > > [jpeg2000 @ 0x558d3041c280] unsupported marker 0xFF79 at pos 0x3A5203 > > > [jpeg2000 @ 0x558d3041c280] COD > > > [jpeg2000 @ 0x558d3041c280] extra cblk styles E > > > [jpeg2000 @ 0x558d3041c280] QCD > > > [jpeg2000 @ 0x558d3041c280] SOT > > > Last message repeated 3 times > > > [jpeg2000 @ 0x558d3041c280] Progression order RPCL > > > Last message repeated 3 times > > > [swscaler @ 0x558d30425900] deprecated pixel format used, make sure you > > did > > > set range correctly > > > [mjpeg @ 0x558d3040e780] removing common factors from framerate > > > Output #0, image2, to 'frame.jpg': > > > Metadata: > > > encoder : Lavf58.27.103 > > > Stream #0:0: Video: mjpeg, yuvj444p(pc), 2056x2168, q=2-31, 200 kb/s, > > > 24 fps, 24 tbn, 24 tbc > > > Metadata: > > > filename : ? > > > encoder : Lavc58.52.102 mjpeg > > > Side data: > > > cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 > > > [image2 @ 0x558d3040abc0] Application provided invalid, non monotonically > > > increasing dts to muxer in stream 0: 101000 >= 0 > > > /home/anek/src/red/frame2.without0.r3d: Operation not permitted > > > frame= 1 fps=0.4 q=2.9 Lsize=N/A time=00:00:00.00 bitrate=N/A speed= > > > 0x > > > video:96kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB > > > muxing overhead: unknown > > > > > > picture dimensions are 8192x4320, but in JPEG2000 bytestream there are 2 > > > SOC and SIZ markers with SIZ mentioning 2056x2168. The image is decoded, > > > but colors and area are wrong. What can I do? > > > > Make sure it uses tiles (each jpeg2000 is special tile) and that your > > packet is trimmed. > > _______________________________________________ > > ffmpeg-devel mailing list > > ffmpeg-devel@ffmpeg.org > > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > > > To unsubscribe, visit link above, or email > > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
> jpeg2000dec.c | 43 ++++++++++++++++++++++++++++++++++---------
> 1 file changed, 34 insertions(+), 9 deletions(-)
> d9726772b07866243dd21c966649459bb8cbcfed 0002-jpeg2000-decoding-dbginfo.patch
> From ce21789b0da6e7f16c21ea33dcf67586b32630bd Mon Sep 17 00:00:00 2001
> From: Anek <anek@archlinuxi>
Make sure the author is containing your full name unless you want to
use a pseudonym. (It cannot be changed once anything of this is pushed)
and some (samm and trivial) parts of the patches could be split out and pushed
Thanks
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Old school: Use the lowest level language in which you can solve the problem
conveniently.
New school: Use the highest level language in which the latest supercomputer
can solve the problem without the user falling asleep waiting.
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