101 lines
5.4 KiB
Plaintext
101 lines
5.4 KiB
Plaintext
//OLD ideas:
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/*
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* do some stuff asynchronously. for example, decoding mp3 sectors.
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* keep a list of sectors and the blob/offset from which they pull -- also whether the sector is available
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* if it is not available and something requests it then it will have to block while that sector gets generated
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* perhaps the blobs know how to resolve themselves and the requested sector can be immediately resolved (priority boost)
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* mp3 blobs should be hashed and dropped in %TEMP% as a wav decode
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*/
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//2048 bytes packed into 2352:
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//12 bytes sync(00 ff ff ff ff ff ff ff ff ff ff 00)
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//3 bytes sector address (min+A0),sec,frac //does this correspond to ccd `point` field in the TOC entries?
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//sector mode byte (0: silence; 1: 2048Byte mode (EDC,ECC,CIRC), 2: mode2 (could be 2336[vanilla mode2], 2048[xa mode2 form1], 2324[xa mode2 form2])
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//cue sheets may use mode1_2048 (and the error coding needs to be regenerated to get accurate raw data) or mode1_2352 (the entire sector is present)
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//audio is a different mode, seems to be just 2352 bytes with no sync, header or error correction. i guess the CIRC error correction is still there
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//we used this code
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//https://code.google.com/p/iso-parser/
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//more gpl edc/ecc
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//http://code.ohloh.net/file?fid=BEZeY2fWALJKXTgY3Oe9J988ubQ&cid=Xkpw3SKt7K8&s=edc%20ecc%20&pp=0&fl=C&ff=1&filterChecked=true&mp=1&ml=1&me=1&md=1&browser=Default#L13
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//still more.. comes from lxdream, which takes its code from cdrkit. cdrkit is gpl
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//http://code.ohloh.net/file?fid=asMhpC6ygBi47pIYaxYwhXJFptI&cid=T6ljN87aG7M&s=&browser=Default&pp=0&fl=NonCode&fl=C&fl=C%2B%2B&ff=1&mp=1&ml=1&me=1&md=1&filterChecked=true#L0
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//cdemu/cdrtools/dvdrtools/cdkit maybe useful libraries to reference but all gpl?
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//cdrdao is GPL as well
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//cdrtools is some weird license CDDL
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//cdrkit was forked from the last GPL version of cdrtools. cdrkit is definitely gpl
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//libedc was part of cdrtools; now part of cdrkit too when it forked. but it is GPL
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//dvdisaster is GPL too
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//one more thing http://www.gnu.org/software/libcdio/libcdio.html
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//entertaining debacle
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//https://bugzilla.novell.com/show_bug.cgi?id=672491#c7
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//this
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//https://github.com/tonioni/WinUAE/blob/master/cdrom.cpp
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//references this
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//http://www.ross.net/crc/download/crc_v3.txt
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//this code in mednafen's lec.cpp calculates the reed solomon crap. port it to c# and then a/b test against it
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//Gf8_Q_Coeffs_Results_01
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//assorted other helpful urls
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//http://www.cs.utsa.edu/~wagner/laws/FFM.html
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//http://www.cs.cmu.edu/afs/cs.cmu.edu/project/pscico-guyb/realworld/www/reedsolomon/reed_solomon_codes.html
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//http://en.wikipedia.org/wiki/Finite_field_arithmetic
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//here is a braindump of urls and stuff for future reference
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//check this for some iso stuff but seems like it ripped off corlett's code
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//http://lioneditor.googlecode.com/svn/trunk/utils/isopatcherv05/src/
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//http://code.ohloh.net/file?fid=185llKM04w3QCqwC2MdFgtUiQ94&cid=yPMRq_HKxUg&s=ecc_computeblock%28pSector%20%2B%200xC%2C%2052%2C%2043%2C%2086%2C%2088%2C%20pSector%20%2B%200x8C8%29&mp=1&ml=1&me=1&md=1&browser=Default#L106
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//https://books.google.com/books?id=caF_AAAAQBAJ&lpg=PA124&ots=OA9Ttj9CHZ&dq=disc%20TOC%20point%20A2&pg=PA124
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//http://www.staff.uni-mainz.de/tacke/scsi/SCSI2-14.html
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//http://www.pctechguide.com/iso-9660-data-format-for-cds-cd-roms-cd-rs-and-cd-rws
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//http://linux.die.net/man/1/cue2toc
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//http://cdemu.sourceforge.net/project.php#sf
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//apparently cdrdao is the ultimate linux tool for doing this stuff but it doesnt support DAO96 (or other DAO modes) that would be necessary to extract P-Q subchannels
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//(cdrdao only supports R-W)
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//here is a featureset list of windows cd burning programs (useful for cuesheet compatibility info)
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//http://www.dcsoft.com/cue_mastering_progs.htm
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//good links
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//http://linux-sxs.org/bedtime/cdapi.html
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//http://en.wikipedia.org/wiki/Track_%28CD%29
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//http://docs.google.com/viewer?a=v&q=cache:imNKye05zIEJ:www.13thmonkey.org/documentation/SCSI/mmc-r10a.pdf+q+subchannel+TOC+format&hl=en&gl=us&pid=bl&srcid=ADGEEShtYqlluBX2lgxTL3pVsXwk6lKMIqSmyuUCX4RJ3DntaNq5vI2pCvtkyze-fumj7vvrmap6g1kOg5uAVC0IxwU_MRhC5FB0c_PQ2BlZQXDD7P3GeNaAjDeomelKaIODrhwOoFNb&sig=AHIEtbRXljAcFjeBn3rMb6tauHWjSNMYrw
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//http://digitalx.org/cue-sheet/examples/
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//"qemu cdrom emulator"
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//http://www.koders.com/c/fid7171440DEC7C18B932715D671DEE03743111A95A.aspx
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//less good
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//http://www.cyberciti.biz/faq/getting-volume-information-from-cds-iso-images/
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//http://www.cims.nyu.edu/cgi-systems/man.cgi?section=7I&topic=cdio
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//some other docs
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//http://www.emutalk.net/threads/54428-Reference-for-8-byte-sub-header-used-in-CDROM-XA references http://ccsun.nchu.edu.tw/~imtech/cou...act%20Disc.pdf which is pretty cool
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//here is an MIT licensed C mp3 decoder
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//http://core.fluendo.com/gstreamer/src/gst-fluendo-mp3/
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/*information on saturn TOC and session data structures is on pdf page 58 of System Library User's Manual;
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* as seen in yabause, there are 1000 u32s in this format:
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* Ctrl[4bit] Adr[4bit] StartFrameAddressFAD[24bit] (nonexisting tracks are 0xFFFFFFFF)
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* Followed by Fist Track Information, Last Track Information..
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* Ctrl[4bit] Adr[4bit] FirstTrackNumber/LastTrackNumber[8bit] and then some stuff I dont understand
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* ..and Read Out Information:
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* Ctrl[4bit] Adr[4bit] ReadOutStartFrameAddress[24bit]
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*
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* Also there is some stuff about FAD of sessions.
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* This should be generated by the saturn core, but we need to make sure we pass down enough information to do it
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*/
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