diff --git a/frontend/assets.json b/frontend/assets.json index ecebaad..5f6f556 100644 --- a/frontend/assets.json +++ b/frontend/assets.json @@ -360,6 +360,18 @@ "dependencies": [ "feature:stats" ] + }, + "feature:jamesdsp": { + "contract": 1, + "eager": false, + "background": true, + "files": [ + "/vendor/jamesdsp/jamesdsp-node.mjs", + "/vendor/jamesdsp/params.mjs", + "/vendor/jamesdsp/worklet.mjs", + "/vendor/jamesdsp/dsp/jamesdsp.mjs", + "/vendor/jamesdsp/dsp/jamesdsp.wasm" + ] } } } diff --git a/frontend/index.html b/frontend/index.html index 97cf3ec..9d42fe6 100755 --- a/frontend/index.html +++ b/frontend/index.html @@ -19,7 +19,7 @@ - + diff --git a/frontend/jamesdsp-assets.test.js b/frontend/jamesdsp-assets.test.js new file mode 100644 index 0000000..e89c873 --- /dev/null +++ b/frontend/jamesdsp-assets.test.js @@ -0,0 +1,52 @@ +const { test } = require('node:test'); +const assert = require('node:assert/strict'); +const { readFileSync } = require('node:fs'); +const { join } = require('node:path'); + +const root = __dirname; +const assets = JSON.parse(readFileSync(join(root, 'assets.json'), 'utf8')); +const group = assets.groups['feature:jamesdsp']; + +test('JamesDSP runtime files live only in a lazy background group', () => { + assert.ok(group, 'feature group exists'); + assert.equal(group.contract, 1); + assert.equal(group.eager, false); + assert.equal(group.background, true); + assert.deepEqual(group.files, [ + '/vendor/jamesdsp/jamesdsp-node.mjs', + '/vendor/jamesdsp/params.mjs', + '/vendor/jamesdsp/worklet.mjs', + '/vendor/jamesdsp/dsp/jamesdsp.mjs', + '/vendor/jamesdsp/dsp/jamesdsp.wasm', + ]); + for (const path of group.files) assert.equal(assets.groups.core.files.includes(path), false, `${path} is not core`); + const sw = readFileSync(join(root, 'sw.js'), 'utf8'); + for (const path of group.files) assert.equal(sw.includes(`'${path}'`), false, `${path} is not in the legacy shell`); +}); + +test('JamesDSP resolves every module dependency through the page build manifest', () => { + const node = readFileSync(join(root, 'vendor/jamesdsp/jamesdsp-node.mjs'), 'utf8'); + const worklet = readFileSync(join(root, 'vendor/jamesdsp/worklet.mjs'), 'utf8'); + assert.match(node, /globalThis\.Lazy\?\.url\?\.\(path\)/); + assert.match(node, /assetURL\('\/vendor\/jamesdsp\/dsp\/jamesdsp\.wasm'/); + assert.match(node, /assetURL\('\/vendor\/jamesdsp\/params\.mjs'/); + assert.match(node, /workletURL\.hash=new URLSearchParams/); + assert.match(worklet, /new URLSearchParams\(new URL\(import\.meta\.url\)\.hash\.slice\(1\)\)/); + assert.match(worklet, /await import\(engineURL\)/); +}); + +test('v1 wrapper rejects text effects and omits them from portable presets', () => { + const node = readFileSync(join(root, 'vendor/jamesdsp/jamesdsp-node.mjs'), 'utf8'); + const worklet = readFileSync(join(root, 'vendor/jamesdsp/worklet.mjs'), 'utf8'); + assert.match(node, /Text effects are disabled in this player version/); + assert.match(node, /toJSON\(\) \{return \{version:1,params:/); + assert.doesNotMatch(worklet, /data\.type==='text'/); +}); + +test('vendor provenance pins the source and retains both supplied license texts', () => { + const version = readFileSync(join(root, 'vendor/jamesdsp/VERSION.txt'), 'utf8'); + assert.match(version, /77be0b2e825a20ba98feff33d16dd0a43232ef3b/); + assert.match(version, /GPL-2\.0 text/); + assert.ok(readFileSync(join(root, 'vendor/jamesdsp/LICENSE.txt'), 'utf8').includes('Version 3')); + assert.ok(readFileSync(join(root, 'vendor/jamesdsp/UPSTREAM-MAIN-LICENSE.txt'), 'utf8').includes('Version 2')); +}); diff --git a/frontend/shell-consistency.test.js b/frontend/shell-consistency.test.js index 9ec1153..9972c89 100644 --- a/frontend/shell-consistency.test.js +++ b/frontend/shell-consistency.test.js @@ -42,7 +42,9 @@ test('assets.json describes the complete existing shell exactly once with eager } for (const asset of shell) if (asset !== '/') assert.ok(described.has(asset), `${asset} is described`); // piano-engine is dynamically imported and historically absent from SHELL. - for (const asset of described) assert.ok(listed.has(asset) || asset === '/piano-engine.mjs', `${asset} shell or documented dynamic import`); + // Piano and JamesDSP load only through build-local dynamic module URLs. + const dynamicOnly = new Set(['/piano-engine.mjs', ...groups['feature:jamesdsp'].files]); + for (const asset of described) assert.ok(listed.has(asset) || dynamicOnly.has(asset), `${asset} shell or documented dynamic import`); assert.equal(groups.core.eager, true); for (const name of ['playlist', 'settings', 'service-mode', 'lyrics-editor']) { assert.equal(groups[`feature:${name}`].eager, true); diff --git a/frontend/vendor/jamesdsp/LICENSE.txt b/frontend/vendor/jamesdsp/LICENSE.txt new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/frontend/vendor/jamesdsp/LICENSE.txt @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If the +Program specifies that a certain numbered version of the GNU General +Public License "or any later version" applies to it, you have the +option of following the terms and conditions either of that numbered +version or of any later version published by the Free Software +Foundation. If the Program does not specify a version number of the +GNU General Public License, you may choose any version ever published +by the Free Software Foundation. + + If the Program specifies that a proxy can decide which future +versions of the GNU General Public License can be used, that proxy's +public statement of acceptance of a version permanently authorizes you +to choose that version for the Program. + + Later license versions may give you additional or different +permissions. However, no additional obligations are imposed on any +author or copyright holder as a result of your choosing to follow a +later version. + + 15. Disclaimer of Warranty. + + THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY +APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT +HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY +OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM +IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF +ALL NECESSARY SERVICING, REPAIR OR CORRECTION. + + 16. Limitation of Liability. + + IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS +THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY +GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE +USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF +DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD +PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), +EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGES. + + 17. Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/frontend/vendor/jamesdsp/README.md b/frontend/vendor/jamesdsp/README.md new file mode 100644 index 0000000..75962bf --- /dev/null +++ b/frontend/vendor/jamesdsp/README.md @@ -0,0 +1,19 @@ +# JamesDSP vendor files + +The WebAssembly engine, parameter table and browser adapter originate from +`jamesdsp-web` revision `77be0b2e825a20ba98feff33d16dd0a43232ef3b`. Source is +available in that repository and the underlying JamesDSPManager source is +referenced by its `upstream/` tree. The runtime files remain in the lazy +`feature:jamesdsp` asset group; license and provenance documents are not runtime +assets. + +`jamesdsp-node.js` and `worklet.js` carry the integration changes described in +`VERSION.txt`. The generated C engine and `params.js` are unchanged from the +pinned revision. The Node wrapper intentionally rejects text-effect parameters +and does not serialize text, preventing Liveprog/DDC/arbitrary text payloads +from entering the v1 surface. + +The upstream `upstream/Main/LICENSE` text says GPL-2.0 while the port repository +ships a GPL-3.0-or-later license. Both texts are retained as supplied. Confirm +the upstream provenance and redistribution position before a public release; +this note is not a legal conclusion. diff --git a/frontend/vendor/jamesdsp/UPSTREAM-MAIN-LICENSE.txt b/frontend/vendor/jamesdsp/UPSTREAM-MAIN-LICENSE.txt new file mode 100644 index 0000000..d6a9326 --- /dev/null +++ b/frontend/vendor/jamesdsp/UPSTREAM-MAIN-LICENSE.txt @@ -0,0 +1,340 @@ +GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Lesser General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. Our General Public Licenses are designed to make sure that you +have the freedom to distribute copies of free software (and charge for +this service if you wish), that you receive source code or can get it +if you want it, that you can change the software or use pieces of it +in new free programs; and that you know you can do these things. + + To protect your rights, we need to make restrictions that forbid +anyone to deny you these rights or to ask you to surrender the rights. +These restrictions translate to certain responsibilities for you if you +distribute copies of the software, or if you modify it. + + For example, if you distribute copies of such a program, whether +gratis or for a fee, you must give the recipients all the rights that +you have. You must make sure that they, too, receive or can get the +source code. And you must show them these terms so they know their +rights. + + We protect your rights with two steps: (1) copyright the software, and +(2) offer you this license which gives you legal permission to copy, +distribute and/or modify the software. + + Also, for each author's protection and ours, we want to make certain +that everyone understands that there is no warranty for this free +software. If the software is modified by someone else and passed on, we +want its recipients to know that what they have is not the original, so +that any problems introduced by others will not reflect on the original +authors' reputations. + + Finally, any free program is threatened constantly by software +patents. We wish to avoid the danger that redistributors of a free +program will individually obtain patent licenses, in effect making the +program proprietary. To prevent this, we have made it clear that any +patent must be licensed for everyone's free use or not licensed at all. + + The precise terms and conditions for copying, distribution and +modification follow. + + GNU GENERAL PUBLIC LICENSE + TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION + + 0. This License applies to any program or other work which contains +a notice placed by the copyright holder saying it may be distributed +under the terms of this General Public License. The "Program", below, +refers to any such program or work, and a "work based on the Program" +means either the Program or any derivative work under copyright law: +that is to say, a work containing the Program or a portion of it, +either verbatim or with modifications and/or translated into another +language. (Hereinafter, translation is included without limitation in +the term "modification".) Each licensee is addressed as "you". + +Activities other than copying, distribution and modification are not +covered by this License; they are outside its scope. The act of +running the Program is not restricted, and the output from the Program +is covered only if its contents constitute a work based on the +Program (independent of having been made by running the Program). +Whether that is true depends on what the Program does. + + 1. You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. You may modify your copy or copies of the Program or any portion +of it, thus forming a work based on the Program, and copy and +distribute such modifications or work under the terms of Section 1 +above, provided that you also meet all of these conditions: + + a) You must cause the modified files to carry prominent notices + stating that you changed the files and the date of any change. + + b) You must cause any work that you distribute or publish, that in + whole or in part contains or is derived from the Program or any + part thereof, to be licensed as a whole at no charge to all third + parties under the terms of this License. + + c) If the modified program normally reads commands interactively + when run, you must cause it, when started running for such + interactive use in the most ordinary way, to print or display an + announcement including an appropriate copyright notice and a + notice that there is no warranty (or else, saying that you provide + a warranty) and that users may redistribute the program under + these conditions, and telling the user how to view a copy of this + License. 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But when you +distribute the same sections as part of a whole which is a work based +on the Program, the distribution of the whole must be on the terms of +this License, whose permissions for other licensees extend to the +entire whole, and thus to each and every part regardless of who wrote it. + +Thus, it is not the intent of this section to claim rights or contest +your rights to work written entirely by you; rather, the intent is to +exercise the right to control the distribution of derivative or +collective works based on the Program. + +In addition, mere aggregation of another work not based on the Program +with the Program (or with a work based on the Program) on a volume of +a storage or distribution medium does not bring the other work under +the scope of this License. + + 3. You may copy and distribute the Program (or a work based on it, +under Section 2) in object code or executable form under the terms of +Sections 1 and 2 above provided that you also do one of the following: + + a) Accompany it with the complete corresponding machine-readable + source code, which must be distributed under the terms of Sections + 1 and 2 above on a medium customarily used for software interchange; or, + + b) Accompany it with a written offer, valid for at least three + years, to give any third party, for a charge no more than your + cost of physically performing source distribution, a complete + machine-readable copy of the corresponding source code, to be + distributed under the terms of Sections 1 and 2 above on a medium + customarily used for software interchange; or, + + c) Accompany it with the information you received as to the offer + to distribute corresponding source code. (This alternative is + allowed only for noncommercial distribution and only if you + received the program in object code or executable form with such + an offer, in accord with Subsection b above.) + +The source code for a work means the preferred form of the work for +making modifications to it. For an executable work, complete source +code means all the source code for all modules it contains, plus any +associated interface definition files, plus the scripts used to +control compilation and installation of the executable. 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Any attempt +otherwise to copy, modify, sublicense or distribute the Program is +void, and will automatically terminate your rights under this License. +However, parties who have received copies, or rights, from you under +this License will not have their licenses terminated so long as such +parties remain in full compliance. + + 5. You are not required to accept this License, since you have not +signed it. However, nothing else grants you permission to modify or +distribute the Program or its derivative works. These actions are +prohibited by law if you do not accept this License. Therefore, by +modifying or distributing the Program (or any work based on the +Program), you indicate your acceptance of this License to do so, and +all its terms and conditions for copying, distributing or modifying +the Program or works based on it. + + 6. Each time you redistribute the Program (or any work based on the +Program), the recipient automatically receives a license from the +original licensor to copy, distribute or modify the Program subject to +these terms and conditions. You may not impose any further +restrictions on the recipients' exercise of the rights granted herein. +You are not responsible for enforcing compliance by third parties to +this License. + + 7. If, as a consequence of a court judgment or allegation of patent +infringement or for any other reason (not limited to patent issues), +conditions are imposed on you (whether by court order, agreement or +otherwise) that contradict the conditions of this License, they do not +excuse you from the conditions of this License. If you cannot +distribute so as to satisfy simultaneously your obligations under this +License and any other pertinent obligations, then as a consequence you +may not distribute the Program at all. For example, if a patent +license would not permit royalty-free redistribution of the Program by +all those who receive copies directly or indirectly through you, then +the only way you could satisfy both it and this License would be to +refrain entirely from distribution of the Program. + +If any portion of this section is held invalid or unenforceable under +any particular circumstance, the balance of the section is intended to +apply and the section as a whole is intended to apply in other +circumstances. + +It is not the purpose of this section to induce you to infringe any +patents or other property right claims or to contest validity of any +such claims; this section has the sole purpose of protecting the +integrity of the free software distribution system, which is +implemented by public license practices. Many people have made +generous contributions to the wide range of software distributed +through that system in reliance on consistent application of that +system; it is up to the author/donor to decide if he or she is willing +to distribute software through any other system and a licensee cannot +impose that choice. + +This section is intended to make thoroughly clear what is believed to +be a consequence of the rest of this License. + + 8. If the distribution and/or use of the Program is restricted in +certain countries either by patents or by copyrighted interfaces, the +original copyright holder who places the Program under this License +may add an explicit geographical distribution limitation excluding +those countries, so that distribution is permitted only in or among +countries not thus excluded. In such case, this License incorporates +the limitation as if written in the body of this License. + + 9. The Free Software Foundation may publish revised and/or new versions +of the General Public License from time to time. Such new versions will +be similar in spirit to the present version, but may differ in detail to +address new problems or concerns. + +Each version is given a distinguishing version number. If the Program +specifies a version number of this License which applies to it and "any +later version", you have the option of following the terms and conditions +either of that version or of any later version published by the Free +Software Foundation. If the Program does not specify a version number of +this License, you may choose any version ever published by the Free Software +Foundation. + + 10. If you wish to incorporate parts of the Program into other free +programs whose distribution conditions are different, write to the author +to ask for permission. For software which is copyrighted by the Free +Software Foundation, write to the Free Software Foundation; we sometimes +make exceptions for this. Our decision will be guided by the two goals +of preserving the free status of all derivatives of our free software and +of promoting the sharing and reuse of software generally. + + NO WARRANTY + + 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY +FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN +OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES +PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED +OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS +TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE +PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, +REPAIR OR CORRECTION. + + 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR +REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, +INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING +OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED +TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY +YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER +PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE +POSSIBILITY OF SUCH DAMAGES. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + {description} + Copyright (C) {year} {fullname} + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + {signature of Ty Coon}, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. + diff --git a/frontend/vendor/jamesdsp/VERSION.txt b/frontend/vendor/jamesdsp/VERSION.txt new file mode 100644 index 0000000..ada2ffe --- /dev/null +++ b/frontend/vendor/jamesdsp/VERSION.txt @@ -0,0 +1,15 @@ +JamesDSP browser port source revision: 77be0b2e825a20ba98feff33d16dd0a43232ef3b +Repository: /home/josh/development/personal/jamesdsp-web (main) +Vendored from web/jamesdsp-node.js, web/params.js, web/worklet.js, +web/dsp/jamesdsp.js and web/dsp/jamesdsp.wasm. + +Integration adaptations: manifest-hashed module URLs are selected through Lazy; +the worklet carries its engine URL in a fragment so its HTTP/CacheStorage key +remains the exact manifest URL; the wrapper and worklet do not expose text +effects (Liveprog, DDC, arbitrary EQ) in this v1 integration. Upstream source is +retained unchanged for the generated engine and parameter module. + +License note: LICENSE.txt is the port's GPL-3.0-or-later license. The upstream +snapshot at upstream/Main/LICENSE contains GPL-2.0 text; the discrepancy is +preserved and recorded for release review. See README.md and JamesDSP's source +repository for corresponding source information. diff --git a/frontend/vendor/jamesdsp/dsp/jamesdsp.mjs b/frontend/vendor/jamesdsp/dsp/jamesdsp.mjs new file mode 100644 index 0000000..7de737c --- /dev/null +++ b/frontend/vendor/jamesdsp/dsp/jamesdsp.mjs @@ -0,0 +1,2 @@ +async function createJamesDSP(moduleArg={}){var moduleRtn;var Module=moduleArg;var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof WorkerGlobalScope!="undefined";var ENVIRONMENT_IS_NODE=typeof process=="object"&&process.versions?.node&&process.type!="renderer";var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var _scriptName=import.meta.url;var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var readAsync,readBinary;if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){try{scriptDirectory=new URL(".",_scriptName).href}catch{}{if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=async url=>{var response=await fetch(url,{credentials:"same-origin"});if(response.ok){return response.arrayBuffer()}throw new Error(response.status+" : "+response.url)}}}else{}var out=console.log.bind(console);var err=console.error.bind(console);var wasmBinary;var ABORT=false;var EXITSTATUS;var readyPromiseResolve,readyPromiseReject;var wasmMemory;var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;var HEAP64,HEAPU64;var runtimeInitialized=false;function updateMemoryViews(){var b=wasmMemory.buffer;HEAP8=new Int8Array(b);HEAP16=new Int16Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);HEAPU16=new Uint16Array(b);HEAP32=new Int32Array(b);HEAPU32=new Uint32Array(b);Module["HEAPF32"]=HEAPF32=new Float32Array(b);HEAPF64=new Float64Array(b);HEAP64=new BigInt64Array(b);HEAPU64=new BigUint64Array(b)}function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(onPreRuns)}function initRuntime(){runtimeInitialized=true;wasmExports["__wasm_call_ctors"]()}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(onPostRuns)}function abort(what){Module["onAbort"]?.(what);what="Aborted("+what+")";err(what);ABORT=true;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject?.(e);throw e}var wasmBinaryFile;function findWasmBinary(){if(Module["locateFile"]){return locateFile("jamesdsp.wasm")}return new URL("jamesdsp.wasm",import.meta.url).href}function getBinarySync(file){if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}throw'sync fetching of the wasm failed: you can preload it to Module["wasmBinary"] manually, or emcc.py will do that for you when generating HTML (but not JS)'}function instantiateSync(file,info){var module;var binary=getBinarySync(file);module=new WebAssembly.Module(binary);var instance=new WebAssembly.Instance(module,info);return[instance,module]}function getWasmImports(){return{env:wasmImports,wasi_snapshot_preview1:wasmImports}}function createWasm(){function receiveInstance(instance,module){wasmExports=instance.exports;wasmMemory=wasmExports["memory"];updateMemoryViews();assignWasmExports(wasmExports);return wasmExports}var info=getWasmImports();if(Module["instantiateWasm"]){return new Promise((resolve,reject)=>{Module["instantiateWasm"](info,(mod,inst)=>{resolve(receiveInstance(mod,inst))})})}wasmBinaryFile??=findWasmBinary();var result=instantiateSync(wasmBinaryFile,info);return receiveInstance(result[0])}class ExitStatus{name="ExitStatus";constructor(status){this.message=`Program terminated with exit(${status})`;this.status=status}}var callRuntimeCallbacks=callbacks=>{while(callbacks.length>0){callbacks.shift()(Module)}};var onPostRuns=[];var addOnPostRun=cb=>onPostRuns.push(cb);var onPreRuns=[];var addOnPreRun=cb=>onPreRuns.push(cb);var noExitRuntime=true;var UTF8Decoder=typeof TextDecoder!="undefined"?new TextDecoder:undefined;var findStringEnd=(heapOrArray,idx,maxBytesToRead,ignoreNul)=>{var maxIdx=idx+maxBytesToRead;if(ignoreNul)return maxIdx;while(heapOrArray[idx]&&!(idx>=maxIdx))++idx;return idx};var UTF8ArrayToString=(heapOrArray,idx=0,maxBytesToRead,ignoreNul)=>{var endPtr=findStringEnd(heapOrArray,idx,maxBytesToRead,ignoreNul);if(endPtr-idx>16&&heapOrArray.buffer&&UTF8Decoder){return UTF8Decoder.decode(heapOrArray.subarray(idx,endPtr))}var str="";while(idx>10,56320|ch&1023)}}return str};var UTF8ToString=(ptr,maxBytesToRead,ignoreNul)=>ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead,ignoreNul):"";var ___assert_fail=(condition,filename,line,func)=>abort(`Assertion failed: ${UTF8ToString(condition)}, at: `+[filename?UTF8ToString(filename):"unknown filename",line,func?UTF8ToString(func):"unknown function"]);var ___syscall_chdir=path=>{};var SYSCALLS={varargs:undefined,getStr(ptr){var ret=UTF8ToString(ptr);return ret}};function ___syscall_fcntl64(fd,cmd,varargs){SYSCALLS.varargs=varargs;return 0}var ___syscall_getdents64=(fd,dirp,count)=>{};function ___syscall_ioctl(fd,op,varargs){SYSCALLS.varargs=varargs;return 0}function ___syscall_openat(dirfd,path,flags,varargs){SYSCALLS.varargs=varargs}var _emscripten_get_now=()=>performance.now();var _emscripten_date_now=()=>Date.now();var nowIsMonotonic=1;var checkWasiClock=clock_id=>clock_id>=0&&clock_id<=3;var INT53_MAX=9007199254740992;var INT53_MIN=-9007199254740992;var bigintToI53Checked=num=>numINT53_MAX?NaN:Number(num);function _clock_time_get(clk_id,ignored_precision,ptime){ignored_precision=bigintToI53Checked(ignored_precision);if(!checkWasiClock(clk_id)){return 28}var now;if(clk_id===0){now=_emscripten_date_now()}else if(nowIsMonotonic){now=_emscripten_get_now()}else{return 52}var nsec=Math.round(now*1e3*1e3);HEAP64[ptime>>3]=BigInt(nsec);return 0}var abortOnCannotGrowMemory=requestedSize=>{abort("OOM")};var _emscripten_resize_heap=requestedSize=>{var oldSize=HEAPU8.length;requestedSize>>>=0;abortOnCannotGrowMemory(requestedSize)};var runtimeKeepaliveCounter=0;var keepRuntimeAlive=()=>noExitRuntime||runtimeKeepaliveCounter>0;var _proc_exit=code=>{EXITSTATUS=code;if(!keepRuntimeAlive()){Module["onExit"]?.(code);ABORT=true}quit_(code,new ExitStatus(code))};var exitJS=(status,implicit)=>{EXITSTATUS=status;_proc_exit(status)};var _exit=exitJS;var _fd_close=fd=>52;var _fd_read=(fd,iov,iovcnt,pnum)=>52;function _fd_seek(fd,offset,whence,newOffset){offset=bigintToI53Checked(offset);return 70}var printCharBuffers=[null,[],[]];var printChar=(stream,curr)=>{var buffer=printCharBuffers[stream];if(curr===0||curr===10){(stream===1?out:err)(UTF8ArrayToString(buffer));buffer.length=0}else{buffer.push(curr)}};var _fd_write=(fd,iov,iovcnt,pnum)=>{var num=0;for(var i=0;i>2];var len=HEAPU32[iov+4>>2];iov+=8;for(var j=0;j>2]=num;return 0};{if(Module["noExitRuntime"])noExitRuntime=Module["noExitRuntime"];if(Module["print"])out=Module["print"];if(Module["printErr"])err=Module["printErr"];if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].shift()()}}}var _jdsp_create,_jdsp_destroy,_free,_jdsp_process,_jdsp_faults,_jdsp_set_param,_jdsp_set_text,_jdsp_load_ir,_malloc,__emscripten_stack_restore,__emscripten_stack_alloc,_emscripten_stack_get_current;function assignWasmExports(wasmExports){Module["_jdsp_create"]=_jdsp_create=wasmExports["jdsp_create"];Module["_jdsp_destroy"]=_jdsp_destroy=wasmExports["jdsp_destroy"];Module["_free"]=_free=wasmExports["free"];Module["_jdsp_process"]=_jdsp_process=wasmExports["jdsp_process"];Module["_jdsp_faults"]=_jdsp_faults=wasmExports["jdsp_faults"];Module["_jdsp_set_param"]=_jdsp_set_param=wasmExports["jdsp_set_param"];Module["_jdsp_set_text"]=_jdsp_set_text=wasmExports["jdsp_set_text"];Module["_jdsp_load_ir"]=_jdsp_load_ir=wasmExports["jdsp_load_ir"];Module["_malloc"]=_malloc=wasmExports["malloc"];__emscripten_stack_restore=wasmExports["_emscripten_stack_restore"];__emscripten_stack_alloc=wasmExports["_emscripten_stack_alloc"];_emscripten_stack_get_current=wasmExports["emscripten_stack_get_current"]}var wasmImports={__assert_fail:___assert_fail,__syscall_chdir:___syscall_chdir,__syscall_fcntl64:___syscall_fcntl64,__syscall_getdents64:___syscall_getdents64,__syscall_ioctl:___syscall_ioctl,__syscall_openat:___syscall_openat,clock_time_get:_clock_time_get,emscripten_date_now:_emscripten_date_now,emscripten_get_now:_emscripten_get_now,emscripten_resize_heap:_emscripten_resize_heap,exit:_exit,fd_close:_fd_close,fd_read:_fd_read,fd_seek:_fd_seek,fd_write:_fd_write};function run(){preRun();function doRun(){Module["calledRun"]=true;if(ABORT)return;initRuntime();readyPromiseResolve?.(Module);Module["onRuntimeInitialized"]?.();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(()=>{setTimeout(()=>Module["setStatus"](""),1);doRun()},1)}else{doRun()}}var wasmExports;wasmExports=createWasm();run();if(runtimeInitialized){moduleRtn=Module}else{moduleRtn=new Promise((resolve,reject)=>{readyPromiseResolve=resolve;readyPromiseReject=reject})} +;return moduleRtn}export default createJamesDSP; diff --git a/frontend/vendor/jamesdsp/dsp/jamesdsp.wasm b/frontend/vendor/jamesdsp/dsp/jamesdsp.wasm new file mode 100755 index 0000000..884efd3 Binary files /dev/null and b/frontend/vendor/jamesdsp/dsp/jamesdsp.wasm differ diff --git a/frontend/vendor/jamesdsp/jamesdsp-node.mjs b/frontend/vendor/jamesdsp/jamesdsp-node.mjs new file mode 100644 index 0000000..b09bdd1 --- /dev/null +++ b/frontend/vendor/jamesdsp/jamesdsp-node.mjs @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +const moduleLoads = new WeakMap(); +let paramsLoad; +function assetURL(path, relative) { return globalThis.Lazy?.url?.(path) || new URL(relative, import.meta.url); } +function loadParams(paramsURL) { if (!paramsLoad) paramsLoad = import(paramsURL); return paramsLoad; } +export class JamesDSPNode extends EventTarget { + static async create(context, options={}) { + if (![44100,48000].includes(context.sampleRate)) throw new RangeError('Use a 44.1 or 48 kHz AudioContext'); + const wasmURL=options.wasmURL || assetURL('/vendor/jamesdsp/dsp/jamesdsp.wasm','./dsp/jamesdsp.wasm'); + const engineURL=options.engineURL || assetURL('/vendor/jamesdsp/dsp/jamesdsp.mjs','./dsp/jamesdsp.mjs'); + const paramsURL=options.paramsURL || assetURL('/vendor/jamesdsp/params.mjs','./params.mjs'); + const baseWorkletURL=options.workletURL || assetURL('/vendor/jamesdsp/worklet.mjs','./worklet.mjs'); + const paramApi=await loadParams(paramsURL); + const workletURL=new URL(baseWorkletURL,import.meta.url); + // Fragments are not sent over HTTP, so SW CacheStorage can keep the exact + // manifest URL while import.meta.url still carries the build-local engine URL. + workletURL.hash=new URLSearchParams({engine:String(engineURL)}).toString(); + if (!moduleLoads.has(context)) moduleLoads.set(context,new Map()); + const cache=moduleLoads.get(context), key=String(workletURL); + if (!cache.has(key)) cache.set(key,context.audioWorklet.addModule(workletURL).catch(e=>{cache.delete(key);throw e;})); + const response=await fetch(wasmURL); + if (!response.ok) throw new Error(`WASM fetch failed: ${response.status}`); + const wasmBytes=await response.arrayBuffer(); + await cache.get(key); + const wrapper=new JamesDSPNode(context,wasmBytes,paramApi); + try { await wrapper.ready; return wrapper; } catch(e) { wrapper.destroy(); throw e; } + } + constructor(context,wasmBytes,paramApi) { + super(); this.context=context; this.defaultParams=paramApi.DEFAULT_PARAMS; this.validateParam=paramApi.validateParam; this.params={...this.defaultParams}; this.pending=new Map(); this.serial=0; this.destroyed=false; + this.node=new AudioWorkletNode(context,'jamesdsp',{numberOfInputs:1,numberOfOutputs:1,outputChannelCount:[2],channelCount:2,channelCountMode:'explicit',processorOptions:{wasmBytes}}); + this.ready=new Promise((resolve,reject)=> { + const timer=setTimeout(()=>reject(new Error('DSP initialization timed out')),15000); + this.node.onprocessorerror=()=>{const error=new Error('DSP processor stopped');clearTimeout(timer);reject(error);this.fail(error);}; + this.node.port.onmessage=({data})=> { + if(data.type==='ready') {clearTimeout(timer);resolve();} + else if(data.type==='reply') { const p=this.pending.get(data.id); if(p) {this.pending.delete(data.id);clearTimeout(p.timer);data.error?p.reject(new Error(data.error)):p.resolve(data.result);} } + else if(data.type==='error') {const error=new Error(data.error); clearTimeout(timer); reject(error); this.fail(error);} + else this.dispatchEvent(new CustomEvent(data.type,{detail:data})); + }; + }); + } + fail(error) { for(const p of this.pending.values()) {clearTimeout(p.timer);p.reject(error);} this.pending.clear();this.dispatchEvent(new CustomEvent('error',{detail:error})); } + request(type,data={}) { + if(this.destroyed) return Promise.reject(new Error('DSP has been destroyed')); + const id=++this.serial; + return new Promise((resolve,reject)=> { + const timer=setTimeout(()=>{this.pending.delete(id);reject(new Error(`DSP ${type} timed out`));},15000); + this.pending.set(id,{resolve,reject,timer});this.node.port.postMessage({type,id,...data}); + }); + } + // Routing is owned by AudioGraph. Expose the worklet node without creating a source. + async setParam(name,value) { + if (/^(?:liveprog|ddc|arbitrary)\./.test(name)) throw new Error('Text effects are disabled in this player version'); + this.validateParam(name,value);await this.request('param',{name,value});this.params[name]=value; + } + setBypass(enabled) {return this.setParam('bypass',Number(Boolean(enabled)));} + async setText() { + throw new Error('Text effects are disabled in this player version'); + } + async loadIR(buffer) { + if(buffer.sampleRate!==this.context.sampleRate || ![1,2].includes(buffer.numberOfChannels) || buffer.length>65536 || buffer.length<1) throw new RangeError('IR must be mono/stereo, at context rate, at most 65536 frames'); + const pcm=new Float32Array(buffer.length*buffer.numberOfChannels); + for(let ch=0;chNumber(a.endsWith('.enabled'))-Number(b.endsWith('.enabled')))) await this.setParam(name,value); + } + toJSON() {return {version:1,params:{...this.params}};} + destroy() { + if(this.destroyed) return; + this.node.disconnect(); + this.node.port.postMessage({type:'destroy'});this.destroyed=true;this.fail(new Error('DSP destroyed'));this.node.port.close(); + } +} diff --git a/frontend/vendor/jamesdsp/params.mjs b/frontend/vendor/jamesdsp/params.mjs new file mode 100644 index 0000000..664238e --- /dev/null +++ b/frontend/vendor/jamesdsp/params.mjs @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +export const EQ_FREQUENCIES = [25,40,63,100,160,250,400,630,1000,1600,2500,4000,6300,10000,16000]; +export const COMP_FREQUENCIES = [95,200,400,800,1600,3400,7500]; +export const EFFECTS = ['eq','compressor','bass','stereo','reverb','crossfeed','tube','convolver','liveprog','ddc','arbitrary']; +export const PARAMS = { + bypass:[0,1,0], gain:[-24,12,0], + 'limiter.threshold':[-24,0,-0.1], 'limiter.release':[10,1000,100], + 'eq.mode':[0,5,1], 'eq.interpolation':[0,1,0], + 'compressor.time':[0.01,2,0.1], 'compressor.mode':[0,3,3], 'compressor.granularity':[0,4,0], + 'bass.boost':[0,12,6], 'stereo.mix':[0,1,0.5], 'reverb.preset':[0,18,0], + 'crossfeed.mode':[0,5,0], 'tube.drive':[-12,12,0], +}; +for (const effect of EFFECTS) PARAMS[`${effect}.enabled`] = [0,1,0]; +EQ_FREQUENCIES.forEach((_, i) => PARAMS[`eq.band${i}`] = [-12,12,0]); +COMP_FREQUENCIES.forEach((_, i) => PARAMS[`compressor.band${i}`] = [-12,12,0]); +export const DEFAULT_PARAMS = Object.fromEntries(Object.entries(PARAMS).map(([k,v])=>[k,v[2]])); +export function validateParam(name, value) { + const spec=PARAMS[name]; + if (!spec || typeof value!=='number' || !Number.isFinite(value) || valuespec[1]) throw new RangeError(`Invalid parameter ${name}: ${value}`); + if ((name.endsWith('.enabled') || /mode|preset|granularity|interpolation|bypass/.test(name)) && !Number.isInteger(value)) throw new RangeError(`${name} requires an integer`); +} +export const PRESETS = { + Flat: {}, + 'Warm lows': {'eq.band0':4,'eq.band1':4,'eq.band2':3,'eq.band3':2,'eq.enabled':1,'gain':-3}, + 'Headphones': {'crossfeed.enabled':1,'crossfeed.mode':1,'eq.band8':-2,'eq.enabled':1}, + 'Small room': {'reverb.preset':7,'reverb.enabled':1,'gain':-3}, +}; diff --git a/frontend/vendor/jamesdsp/worklet.mjs b/frontend/vendor/jamesdsp/worklet.mjs new file mode 100644 index 0000000..b115aa5 --- /dev/null +++ b/frontend/vendor/jamesdsp/worklet.mjs @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-3.0-or-later +const engineURL=new URLSearchParams(new URL(import.meta.url).hash.slice(1)).get('engine'); +if(!engineURL) throw new Error('JamesDSP engine asset URL is missing'); +const {default:createJamesDSP}=await import(engineURL); +class JamesDSPProcessor extends AudioWorkletProcessor { + constructor(options) { + super(); this.closed=false;this.failed=false; + this.initialize(options); + } + async initialize(options) { + try { + this.wasm=await createJamesDSP({wasmBinary:options.processorOptions.wasmBytes,locateFile:()=>'jamesdsp.wasm',print:()=>{},printErr:()=>{}}); + this.handle=this.wasm._jdsp_create(sampleRate); + this.pointer=this.wasm._malloc(128*2*4); + if(!this.handle || !this.pointer) throw new Error('DSP allocation failed or sample rate unsupported'); + this.audio=this.wasm.HEAPF32.subarray(this.pointer/4,this.pointer/4+256); + this.port.onmessage=({data})=>this.message(data); + this.port.postMessage({type:'ready'}); + } catch(error) {this.failed=true;this.port.postMessage({type:'error',error:String(error)});} + } + string(value,fn) { + const utf8=encodeURIComponent(value+'\0').replace(/%([0-9A-F]{2})/g,(_,hex)=>String.fromCharCode(parseInt(hex,16))); + const bytes=Uint8Array.from(utf8,c=>c.charCodeAt(0)), p=this.wasm._malloc(bytes.length); + if(!p) throw new Error('DSP text allocation failed'); + try {this.wasm.HEAPU8.set(bytes,p);return fn(p);} finally {this.wasm._free(p);} + } + message(data) { + if(data.type==='destroy') {if(this.handle) this.wasm._jdsp_destroy(this.handle);if(this.pointer) this.wasm._free(this.pointer);this.closed=true;return;} + try { + let result; + if(data.type==='param') result=this.string(data.name,p=>this.wasm._jdsp_set_param(this.handle,p,data.value)); + else if(data.type==='ir') { + const p=this.wasm._malloc(data.pcm.byteLength);if(!p) throw new Error('IR allocation failed'); + try {this.wasm.HEAPF32.set(data.pcm,p/4);result=this.wasm._jdsp_load_ir(this.handle,p,data.frames,data.channels);} finally {this.wasm._free(p);} + } else throw new Error('Unknown DSP message'); + if(result!==0) throw new Error(`DSP rejected ${data.name||data.effect||data.type}`); + this.port.postMessage({type:'reply',id:data.id,result}); + } catch(error) {this.port.postMessage({type:'reply',id:data.id,error:String(error)});} + } + process(inputs,outputs) { + if(this.closed) return false; + const out=outputs[0], input=inputs[0]; + if(!out?.length || this.failed || !this.handle) return true; + // Mono duplicates to stereo; missing input becomes silence, preserving tails. + for(let offset=0;offsetchannel.fill(0));this.failed=true;this.port.postMessage({type:'error',error:String(error)});break;} + } + return true; + } +} +registerProcessor('jamesdsp',JamesDSPProcessor);