SOUND4 x1.CL Library [1.5.13]
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sound4cl.hpp
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1
8#pragma once
9
10#include <string>
11#include <exception>
12#include <thread>
13#include <functional>
14#include <memory>
15#include <array>
16#include <assert.h>
17#include <stdexcept>
18#include <filesystem>
19#include <string.h>
20
21#if defined(__unix__) || defined(__APPLE__)
22 #define UNIXLIKE 1
23#else
24 #define UNIXLIKE 0
25#endif
26
27#if UNIXLIKE
28 #include <dlfcn.h>
29#elif defined(_WIN32)
30 #include <libloaderapi.h>
31 #ifdef _MSC_VER
32 #pragma warning(disable : 4996)
33 #endif
34#else
35 #error "Unsupported OS"
36#endif
37
38#include "sound4cl_cdef.h"
39
40 // bridge C callbacks to CPresetLoader
41 extern "C" {
42 static char *sound4cl_custom_reader(const fs_char *filename, void* userdata);
43 static void sound4cl_custom_reader_free(char *content, void* userdata);
44 static int sound4cl_custom_writer(const fs_char *filename, const char *content, void* userdata);
45 static int sound4cl_custom_exists(const fs_char *filename, void* userdata);
46 static fs_char** sound4cl_custom_getall(void* userdata);
47 static void sound4cl_custom_getall_free(fs_char** all, void* userdata);
48 static int sound4cl_custom_remove(const fs_char *filename, void* userdata);
49 static int sound4cl_custom_rename(const fs_char *from, const fs_char *to, void* userdata);
50 };
51
55namespace sound4 {
56
75
79 namespace helper {
80 #ifdef _WIN32
86 static inline std::string WStringToUTF8(const std::wstring& wstr) {
87 if (wstr.empty()) return {};
88 int size = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL);
89 std::string str(size, 0);
90 WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), &str[0], size, NULL, NULL);
91 return str;
92 }
98 static inline std::wstring UTF8ToWString(const std::string& str) {
99 if (str.empty()) return std::wstring();
100 int size = MultiByteToWideChar(CP_UTF8, 0, &str[0], (int)str.size(), NULL, 0);
101 std::wstring wstr(size, 0);
102 MultiByteToWideChar(CP_UTF8, 0, &str[0], (int)str.size(), &wstr[0], size);
103 return wstr;
104 }
105 #endif // _WIN32
106
112 template<typename T>
113 struct SampleFormat {
114 };
115 template<>
116 struct SampleFormat<int16_t> {
117 const sound4::SampleFormat format = S16_NATIVE;
118 };
119 template<>
120 struct SampleFormat<int32_t> {
121 const sound4::SampleFormat format = S32_NATIVE;
122 };
123 template<>
124 struct SampleFormat<float> {
125 const sound4::SampleFormat format = F32_NATIVE;
126 };
127
133 template <typename T>
134 class DynFuncHolder {
135 // Storage definition, depending on OS
136 #if UNIXLIKE
137 using DynFunc_t = void *;
138 #else
139 using DynFunc_t = FARPROC;
140 #endif
141 private:
142 DynFunc_t m_ptr = NULL;
143 public:
144 DynFuncHolder() = default;
145 DynFuncHolder(DynFunc_t a_ptr) : m_ptr(a_ptr) {}
146 operator bool() const { return (m_ptr!=NULL); }
147 bool IsOk() const { return m_ptr!=NULL; }
148 operator T* () const { return reinterpret_cast<T*>(m_ptr); }
149 };
150
155 class CDynLoader {
156 // Storage definition, depending on OS
157 #if UNIXLIKE
158 using DynLib_t = void *;
159 #else
160 using DynLib_t = HMODULE;
161 #endif
162 private:
163 DynLib_t m_lib {};
164 public:
165 CDynLoader() = default;
166 CDynLoader(CDynLoader&&) = default;
167 // No copy allowed
168 CDynLoader(const CDynLoader&) = delete;
169 CDynLoader& operator=(CDynLoader const&) = delete;
170 operator bool() const {
171 return (m_lib!=NULL);
172 }
173 bool IsOk() const {
174 return (m_lib!=NULL);
175 }
176 #if UNIXLIKE
177 void Close() {
178 if (IsOk()) {
179 #ifndef __SANITIZE_ADDRESS__ // avoid unloading to keep call stack
180 dlclose(m_lib);
181 #endif // __SANITIZE_ADDRESS__
182 m_lib=NULL;
183 }
184 }
185 bool Load(const std::filesystem::path& dynlib)
186 {
187 Close();
188 m_lib=dlopen(dynlib.c_str(), RTLD_NOW|RTLD_LOCAL);
189 return IsOk();
190 }
191 template <typename T>
192 DynFuncHolder<T> GetSymbol(const std::string& name) {
193 auto ptr=dlsym(m_lib, name.c_str());
194 if (!ptr) {
195 throw std::runtime_error("Missing function in library");
196 }
197 return DynFuncHolder<T>(ptr);
198 }
199 template <typename T>
200 DynFuncHolder<T> GetSymbol_safe(const std::string& name) {
201 auto ptr=dlsym(m_lib, name.c_str());
202 return DynFuncHolder<T>(ptr);
203 }
204 static std::filesystem::path GetThisLibraryPath(void) {
205 static Dl_info info;
206 if (! dladdr((void *) GetThisLibraryPath, & info)) return {};
207 auto rp=realpath(info.dli_fname, NULL);
208 if (!rp) {
209 #if defined(__unix__)
210 rp=realpath("/proc/self/exe", NULL);
211 #elif defined(__APPLE__)
212 // How to solve this for Apple ?
213 #endif
214 }
215 std::filesystem::path p(rp);
216 free(rp);
217 return p;
218 }
219 #else
226 void Close() {
227 if (IsOk()) {
228 // NOTE: On Windows, FreeLibrary may create a lot of troubles, should use FreeLibraryAndExitThread but...
229 // So define SOUND4_CALL_FREELIBRARY before including this file if you really want to unload the library dynamically
230 #if defined(SOUND4_CALL_FREELIBRARYANDEXITTHREAD)
231 FreeLibraryAndExitThread(m_lib, 0);
232 #elif defined(SOUND4_CALL_FREELIBRARY)
233 FreeLibrary(m_lib);
234 #endif // SOUND4_CALL_FREELIBRARY
235 m_lib=NULL;
236 }
237 }
238 template <typename T>
239 DynFuncHolder<T> GetSymbol(const std::string& name) {
240 auto ptr=GetProcAddress(m_lib, name.c_str());
241 if (!ptr) {
242 throw std::runtime_error("Missing function in library");
243 }
244 return DynFuncHolder<T>(ptr);
245 }
246 template <typename T>
247 DynFuncHolder<T> GetSymbol_safe(const std::string& name) {
248 auto ptr=GetProcAddress(m_lib, name.c_str());
249 return DynFuncHolder<T>(ptr);
250 }
251 static std::filesystem::path GetThisLibraryPath(void) {
252 static wchar_t path[MAX_PATH]={};
253 HMODULE hm = NULL;
254 if (GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
255 GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
256 (LPCWSTR) &GetThisLibraryPath, &hm))
257 {
258 if (GetModuleFileNameW(hm, path, MAX_PATH) > 0) {
259 return std::filesystem::path(path);
260 }
261 }
262 return {};
263 }
264 #endif
265 virtual ~CDynLoader() {
266 Close();
267 }
268 }; // class CDynLoader
269 }; // namespace helper
270
271
275 enum LogSeverity {
276 none = sound4cl_none,
277 fatal = sound4cl_fatal,
278 error = sound4cl_error,
279 warning = sound4cl_warning,
280 info = sound4cl_info,
281 verbose = sound4cl_verbose,
282 verbose2 = sound4cl_verbose2,
283 verbose3 = sound4cl_verbose3,
284 verbose4 = sound4cl_verbose4,
285 verbose5 = sound4cl_verbose5,
286 };
287
291 using log_cb_t = std::function<void(LogSeverity,const std::string&)>;
292
296 static log_cb_t _log_cb;
297 extern "C" {
298 static inline void _log_cb_c(sound4cl_LogSeverity severity, const char *c_msg) {
299 _log_cb((LogSeverity)severity, std::string(c_msg));
300 }
301 }
302
309 class CProcessor {
310 private:
311 helper::CDynLoader m_lib;
312 bool m_bOK = false;
313 std::string m_prefix; // The prefix of functions, depends on the library (cloud_, impact_...)
314 protected:
315 friend class CBus;
316 friend class CInstance;
317 friend class CAudioConverter;
318
319 // All those wrapped functions have the same signature as there C sound4cl_XXX
320 helper::DynFuncHolder< decltype(sound4cl_GetVersion ) > fnGetVersion ;
321 helper::DynFuncHolder< decltype(sound4cl_GetChunkSizeInFrames ) > fnGetChunkSizeInFrames ;
322 helper::DynFuncHolder< decltype(sound4cl_GetChannelCount ) > fnGetChannelCount ;
323 helper::DynFuncHolder< decltype(sound4cl_GetAudioInputCount ) > fnGetAudioInputCount ;
324 helper::DynFuncHolder< decltype(sound4cl_GetAudioOutputCount ) > fnGetAudioOutputCount ;
325 helper::DynFuncHolder< decltype(sound4cl_GetSampleRate ) > fnGetSampleRate ;
326 helper::DynFuncHolder< decltype(sound4cl_SetLoggerCallback ) > fnSetLoggerCallback ;
327 helper::DynFuncHolder< decltype(sound4cl_SetLogSeverity ) > fnSetLogSeverity ;
328 helper::DynFuncHolder< decltype(sound4cl_NewParameters ) > fnNewParameters ;
329 helper::DynFuncHolder< decltype(sound4cl_FreeParameters ) > fnFreeParameters ;
330 helper::DynFuncHolder< decltype(sound4cl_SetParameter ) > fnSetParameter ;
331 helper::DynFuncHolder< decltype(sound4cl_GetParameter ) > fnGetParameter ;
332 helper::DynFuncHolder< decltype(sound4cl_FreeParameterValue ) > fnFreeParameterValue ;
333 helper::DynFuncHolder< decltype(sound4cl_InitProcess ) > fnInitProcess ;
334 helper::DynFuncHolder< decltype(sound4cl_InitProcess2 ) > fnInitProcess2 ;
335 helper::DynFuncHolder< decltype(sound4cl_TerminateProcess ) > fnTerminateProcess ;
336 helper::DynFuncHolder< decltype(sound4cl_ExitProcess ) > fnExitProcess ;
337 helper::DynFuncHolder< decltype(sound4cl_StartUpdateThread ) > fnStartUpdateThread ;
338 helper::DynFuncHolder< decltype(sound4cl_StopUpdateThread ) > fnStopUpdateThread ;
339 helper::DynFuncHolder< decltype(sound4cl_WaitUpdateThreadReady ) > fnWaitUpdateThreadReady ;
340 helper::DynFuncHolder< decltype(sound4cl_ProcessAudio ) > fnProcessAudio ;
341 helper::DynFuncHolder< decltype(sound4cl_ProcessAudio_Planar ) > fnProcessAudio_Planar ;
342 helper::DynFuncHolder< decltype(sound4cl_GetBufferIn ) > fnGetBufferIn ;
343 helper::DynFuncHolder< decltype(sound4cl_GetBufferOut ) > fnGetBufferOut ;
344 helper::DynFuncHolder< decltype(sound4cl_GetEstimatedDelay ) > fnGetEstimatedDelay ;
345 helper::DynFuncHolder< decltype(sound4cl_GetFormatName ) > fnGetFormatName ;
346 helper::DynFuncHolder< decltype(sound4cl_GetFormatFromName ) > fnGetFormatFromName ;
347 helper::DynFuncHolder< decltype(sound4cl_GetBytesFromFormat ) > fnGetBytesFromFormat ;
348 helper::DynFuncHolder< decltype(sound4cl_GetMaxPacketFrame ) > fnGetMaxPacketFrame ;
349 helper::DynFuncHolder< decltype(sound4cl_AddAudio ) > fnAddAudio ;
350 helper::DynFuncHolder< decltype(sound4cl_AddPadAudio ) > fnAddPadAudio ;
351 helper::DynFuncHolder< decltype(sound4cl_GetOutputCount ) > fnGetOutputCount ;
352 helper::DynFuncHolder< decltype(sound4cl_GetAudio ) > fnGetAudio ;
353 helper::DynFuncHolder< decltype(sound4cl_AudioConvertFrom ) > fnAudioConvertFrom ;
354 helper::DynFuncHolder< decltype(sound4cl_AudioConvertTo ) > fnAudioConvertTo ;
355 helper::DynFuncHolder< decltype(sound4cl_StereoToMono ) > fnStereoToMono ;
356 helper::DynFuncHolder< decltype(sound4cl_MonoToStereo ) > fnMonoToStereo ;
357 helper::DynFuncHolder< decltype(sound4cl_AudioMonoFromLiveStereo) > fnAudioMonoFromLiveStereo;
358 helper::DynFuncHolder< decltype(sound4cl_AudioMonoToLiveStereo ) > fnAudioMonoToLiveStereo ;
359 helper::DynFuncHolder< decltype(sound4cl_NewClient ) > fnNewClient ;
360 helper::DynFuncHolder< decltype(sound4cl_DeleteClient ) > fnDeleteClient ;
361 helper::DynFuncHolder< decltype(sound4cl_ProcessJson ) > fnProcessJson ;
362 helper::DynFuncHolder< decltype(sound4cl_FreeJsonAnswer ) > fnFreeJsonAnswer ;
363 helper::DynFuncHolder< decltype(sound4cl_SaveState ) > fnSaveState ;
364
365 // only for processes supporting webserver
366 helper::DynFuncHolder< decltype(sound4cl_Webserver_tcp ) > fnWebserver_tcp ;
367 helper::DynFuncHolder< decltype(sound4cl_Webserver_tcp2 ) > fnWebserver_tcp2 ;
368 helper::DynFuncHolder< decltype(sound4cl_Webserver ) > fnWebserver ;
369 helper::DynFuncHolder< decltype(sound4cl_Webserver_Stop ) > fnWebserver_Stop ;
370 helper::DynFuncHolder< decltype(sound4cl_Webserver_Status ) > fnWebserver_Status ;
371
372 // added 2023-03-22
373 helper::DynFuncHolder< decltype(sound4cl_StereoToMono_Planar ) > fnStereoToMono_Planar ;
374 helper::DynFuncHolder< decltype(sound4cl_MonoToStereo_Planar ) > fnMonoToStereo_Planar ;
375
376 // added 2023-05-22
377 helper::DynFuncHolder< decltype(sound4cl_SetMetadata ) > fnSetMetadata ;
378 helper::DynFuncHolder< decltype(sound4cl_GetMetadataInfos ) > fnGetMetadataInfos ;
379 helper::DynFuncHolder< decltype(sound4cl_FreeMetadataInfos ) > fnFreeMetadataInfos ;
380
381 // added 2023-06-20
382 helper::DynFuncHolder< decltype(sound4cl_SetPresetManager ) > fnSetPresetManager ;
383 helper::DynFuncHolder< decltype(sound4cl_PresetManager_InformChange ) > fnPresetManager_InformChange ;
384
385 // added 2023-09-21
386 helper::DynFuncHolder< decltype(sound4cl_GetPossibleChunkSizeInFrames ) > fnGetPossibleChunkSizeInFrames ;
387 helper::DynFuncHolder< decltype(sound4cl_GetProcessChunkFrames ) > fnGetProcessChunkFrames ;
388 helper::DynFuncHolder< decltype(sound4cl_InitProcess3 ) > fnInitProcess3 ;
389
390 // added 2023-06-26, only for processes supporting bus
391 helper::DynFuncHolder< decltype(sound4cl_NewBus ) > fnNewBus ;
392 helper::DynFuncHolder< decltype(sound4cl_FreeBus ) > fnFreeBus ;
393 helper::DynFuncHolder< decltype(sound4cl_SetInstanceBus ) > fnSetInstanceBus ;
394
395 // added 2024-02-19
396 helper::DynFuncHolder< decltype(sound4cl_SetMetadataMulti ) > fnSetMetadataMulti ;
397
398 // added 2024-05-23
399 helper::DynFuncHolder< decltype(sound4cl_Webserver_SetAppHealth ) > fnWebserver_SetAppHealth ;
400 helper::DynFuncHolder< decltype(sound4cl_Webserver_GetAppHealth ) > fnWebserver_GetAppHealth ;
401 helper::DynFuncHolder< decltype(sound4cl_Webserver_FreeString ) > fnWebserver_FreeString ;
402
403#ifdef _WIN32
404 // added 2025-05-28
405 helper::DynFuncHolder< decltype(sound4cl_SetInstanceTracing ) > fnSetInstanceTracing ;
406 helper::DynFuncHolder< decltype(sound4cl_SetInstanceTracingProcessActivity ) > fnSetInstanceTracingProcessActivity ;
407#endif // _WIN32
408
409 // added 2026-02-17
410 helper::DynFuncHolder< decltype(sound4cl_GetAudioConverter ) > fnGetAudioConverter ;
411 helper::DynFuncHolder< decltype(sound4cl_FreeAudioConverter ) > fnFreeAudioConverter ;
412 helper::DynFuncHolder< decltype(sound4cl_AudioConverter_From ) > fnAudioConverter_From ;
413 helper::DynFuncHolder< decltype(sound4cl_AudioConverter_To ) > fnAudioConverter_To ;
414
415 template <typename T>
416 helper::DynFuncHolder<T> GetPrefixSymbol(const std::string& name) {
417 std::string prefix_name = m_prefix+name;
418 return m_lib.GetSymbol<T>(prefix_name);
419 }
420
421 public:
422 CProcessor() = default;
423
431 bool Load(const std::filesystem::path& filepath) {
432 m_lib.Close();
433 // If a path is given, use it directly and do not try other path
434 if (filepath.has_parent_path() && !m_lib.Load(filepath)) {
435 return false;
436 } else if (!m_lib.IsOk()) {
437 auto thisdir=helper::CDynLoader::GetThisLibraryPath().parent_path();
438 auto filename = filepath.filename();
439 #ifndef _WIN32
440 // Linux: if in a bin directory, try ../lib first
441 if (!m_lib.IsOk() && thisdir.filename()=="bin") {
442 auto libdir = thisdir.parent_path() / "lib";
443 m_lib.Load(libdir / filename);
444 }
445 #endif // !_WIN32
446 if (!m_lib.IsOk()) {
447 // Search in the same directory this code is in
448 m_lib.Load(thisdir / filename);
449 }
450 if (!m_lib.IsOk()) {
451 // Try current path
452 std::error_code ec;
453 auto p = std::filesystem::current_path(ec);
454 if (!ec) {
455 m_lib.Load(p / filename);
456 }
457 }
458 if (!m_lib.IsOk()) {
459 return false;
460 }
461 }
462 // Get information from the library itself
463 try {
464 auto GetInfo = m_lib.GetSymbol< decltype(sound4cl_SOUND4_GetProcessInfo ) >("SOUND4_GetProcessInfo" );
465 auto info = GetInfo();
466 m_prefix = info->prefix;
467 } catch (std::runtime_error& ) {
468 // Compatibility: search in known libraries without this function
469 #ifdef _WIN32
470 std::string filename = helper::WStringToUTF8(filepath.stem());
471 #else // !_WIN32
472 std::string filename = filepath.stem();
473 // remove lib prefix
474 filename=filename.substr(3);
475 #endif // ! _WIN32
476 if (filename=="sound4.x1.cloud") {
477 m_prefix="cloudx1_";
478 } else if (filename=="sound4.impact.cl") {
479 m_prefix="impact_";
480 } else if (filename=="sound4.bigvoice.cl") {
481 m_prefix="bigvoice_";
482 } else {
483 return false;
484 }
485 }
486
487 // Load all C functions
488 try {
489 fnGetVersion = GetPrefixSymbol< decltype(sound4cl_GetVersion ) >("GetVersion" );
490 fnGetChunkSizeInFrames = GetPrefixSymbol< decltype(sound4cl_GetChunkSizeInFrames ) >("GetChunkSizeInFrames" );
491 fnGetChannelCount = GetPrefixSymbol< decltype(sound4cl_GetChannelCount ) >("GetChannelCount" );
492 fnGetAudioInputCount = GetPrefixSymbol< decltype(sound4cl_GetAudioInputCount ) >("GetAudioInputCount" );
493 fnGetAudioOutputCount = GetPrefixSymbol< decltype(sound4cl_GetAudioOutputCount ) >("GetAudioOutputCount" );
494 fnGetSampleRate = GetPrefixSymbol< decltype(sound4cl_GetSampleRate ) >("GetSampleRate" );
495 fnSetLoggerCallback = GetPrefixSymbol< decltype(sound4cl_SetLoggerCallback ) >("SetLoggerCallback" );
496 fnSetLogSeverity = GetPrefixSymbol< decltype(sound4cl_SetLogSeverity ) >("SetLogSeverity" );
497 fnNewParameters = GetPrefixSymbol< decltype(sound4cl_NewParameters ) >("NewParameters" );
498 fnFreeParameters = GetPrefixSymbol< decltype(sound4cl_FreeParameters ) >("FreeParameters" );
499 fnSetParameter = GetPrefixSymbol< decltype(sound4cl_SetParameter ) >("SetParameter" );
500 fnGetParameter = GetPrefixSymbol< decltype(sound4cl_GetParameter ) >("GetParameter" );
501 fnFreeParameterValue = GetPrefixSymbol< decltype(sound4cl_FreeParameterValue ) >("FreeParameterValue" );
502 fnInitProcess = GetPrefixSymbol< decltype(sound4cl_InitProcess ) >("InitProcess" );
503 fnInitProcess2 = GetPrefixSymbol< decltype(sound4cl_InitProcess2 ) >("InitProcess2" );
504 fnTerminateProcess = GetPrefixSymbol< decltype(sound4cl_TerminateProcess ) >("TerminateProcess" );
505 fnExitProcess = GetPrefixSymbol< decltype(sound4cl_ExitProcess ) >("ExitProcess" );
506 fnStartUpdateThread = GetPrefixSymbol< decltype(sound4cl_StartUpdateThread ) >("StartUpdateThread" );
507 fnStopUpdateThread = GetPrefixSymbol< decltype(sound4cl_StopUpdateThread ) >("StopUpdateThread" );
508 fnWaitUpdateThreadReady = GetPrefixSymbol< decltype(sound4cl_WaitUpdateThreadReady ) >("WaitUpdateThreadReady" );
509 fnProcessAudio = GetPrefixSymbol< decltype(sound4cl_ProcessAudio ) >("ProcessAudio" );
510 fnProcessAudio_Planar = GetPrefixSymbol< decltype(sound4cl_ProcessAudio_Planar ) >("ProcessAudio_Planar" );
511 fnGetBufferIn = GetPrefixSymbol< decltype(sound4cl_GetBufferIn ) >("GetBufferIn" );
512 fnGetBufferOut = GetPrefixSymbol< decltype(sound4cl_GetBufferOut ) >("GetBufferOut" );
513 fnGetEstimatedDelay = GetPrefixSymbol< decltype(sound4cl_GetEstimatedDelay ) >("GetEstimatedDelay" );
514 fnGetFormatName = GetPrefixSymbol< decltype(sound4cl_GetFormatName ) >("GetFormatName" );
515 fnGetFormatFromName = GetPrefixSymbol< decltype(sound4cl_GetFormatFromName ) >("GetFormatFromName" );
516 fnGetBytesFromFormat = GetPrefixSymbol< decltype(sound4cl_GetBytesFromFormat ) >("GetBytesFromFormat" );
517 fnGetMaxPacketFrame = GetPrefixSymbol< decltype(sound4cl_GetMaxPacketFrame ) >("GetMaxPacketFrame" );
518 fnAddAudio = GetPrefixSymbol< decltype(sound4cl_AddAudio ) >("AddAudio" );
519 fnAddPadAudio = GetPrefixSymbol< decltype(sound4cl_AddPadAudio ) >("AddPadAudio" );
520 fnGetOutputCount = GetPrefixSymbol< decltype(sound4cl_GetOutputCount ) >("GetOutputCount" );
521 fnGetAudio = GetPrefixSymbol< decltype(sound4cl_GetAudio ) >("GetAudio" );
522 fnAudioConvertFrom = GetPrefixSymbol< decltype(sound4cl_AudioConvertFrom ) >("AudioConvertFrom" );
523 fnAudioConvertTo = GetPrefixSymbol< decltype(sound4cl_AudioConvertTo ) >("AudioConvertTo" );
524 fnStereoToMono = GetPrefixSymbol< decltype(sound4cl_StereoToMono ) >("StereoToMono" );
525 fnMonoToStereo = GetPrefixSymbol< decltype(sound4cl_MonoToStereo ) >("MonoToStereo" );
526 fnAudioMonoFromLiveStereo = GetPrefixSymbol< decltype(sound4cl_AudioMonoFromLiveStereo) >("AudioMonoFromLiveStereo");
527 fnAudioMonoToLiveStereo = GetPrefixSymbol< decltype(sound4cl_AudioMonoToLiveStereo ) >("AudioMonoToLiveStereo" );
528 fnNewClient = GetPrefixSymbol< decltype(sound4cl_NewClient ) >("NewClient" );
529 fnDeleteClient = GetPrefixSymbol< decltype(sound4cl_DeleteClient ) >("DeleteClient" );
530 fnProcessJson = GetPrefixSymbol< decltype(sound4cl_ProcessJson ) >("ProcessJson" );
531 fnFreeJsonAnswer = GetPrefixSymbol< decltype(sound4cl_FreeJsonAnswer ) >("FreeJsonAnswer" );
532 fnSaveState = GetPrefixSymbol< decltype(sound4cl_SaveState ) >("SaveState" );
533 } catch (std::runtime_error& ) {
534 return false;
535 }
536 // Webserver : not for all projects
537 try {
538 fnWebserver_tcp = GetPrefixSymbol< decltype(sound4cl_Webserver_tcp ) >("Webserver_tcp" );
539 fnWebserver_tcp2 = GetPrefixSymbol< decltype(sound4cl_Webserver_tcp2 ) >("Webserver_tcp2" );
540 fnWebserver = GetPrefixSymbol< decltype(sound4cl_Webserver ) >("Webserver" );
541 fnWebserver_Stop = GetPrefixSymbol< decltype(sound4cl_Webserver_Stop ) >("Webserver_Stop" );
542 fnWebserver_Status = GetPrefixSymbol< decltype(sound4cl_Webserver_Status ) >("Webserver_Status" );
543 } catch (std::runtime_error& ) {
544 // Ignored, handler will take care
545 }
546 // Stereo/Mono conversion : must be present
547 try {
548 // added 2023-03-22
549 fnStereoToMono_Planar = GetPrefixSymbol< decltype(sound4cl_StereoToMono_Planar ) >("StereoToMono_Planar" );
550 fnMonoToStereo_Planar = GetPrefixSymbol< decltype(sound4cl_MonoToStereo_Planar ) >("MonoToStereo_Planar" );
551
552 } catch (std::runtime_error& ) {
553 return false;
554 }
555 // C functions allowed to be missing
556 try {
557 // added 2023-05-22
558 fnSetMetadata = GetPrefixSymbol< decltype(sound4cl_SetMetadata ) >("SetMetadata" );
559 fnGetMetadataInfos = GetPrefixSymbol< decltype(sound4cl_GetMetadataInfos ) >("GetMetadataInfos" );
560 fnFreeMetadataInfos = GetPrefixSymbol< decltype(sound4cl_FreeMetadataInfos ) >("FreeMetadataInfos" );
561 // added 2023-06-20
562 fnSetPresetManager = GetPrefixSymbol< decltype(sound4cl_SetPresetManager ) >("SetPresetManager" );
563 fnPresetManager_InformChange = GetPrefixSymbol< decltype(sound4cl_PresetManager_InformChange ) >("PresetManager_InformChange" );
564
565 // added 2023-09-21
566 fnGetPossibleChunkSizeInFrames = GetPrefixSymbol< decltype(sound4cl_GetPossibleChunkSizeInFrames ) >("GetPossibleChunkSizeInFrames" );
567 fnGetProcessChunkFrames = GetPrefixSymbol< decltype(sound4cl_GetProcessChunkFrames ) >("GetProcessChunkFrames" );
568 fnInitProcess3 = GetPrefixSymbol< decltype(sound4cl_InitProcess3 ) >("InitProcess3" );
569 } catch (std::runtime_error& ) {
570 // Ignored, handler will take care
571 }
572
573 // bus: not for all projects
574 try {
575 // added 2023-06-26
576 fnNewBus = GetPrefixSymbol< decltype(sound4cl_NewBus ) >("NewBus" );
577 fnFreeBus = GetPrefixSymbol< decltype(sound4cl_FreeBus ) >("FreeBus" );
578 fnSetInstanceBus = GetPrefixSymbol< decltype(sound4cl_SetInstanceBus ) >("SetInstanceBus" );
579 } catch (std::runtime_error& ) {
580 // Ignored, handler will take care
581 }
582
583 // Other optional
584 try {
585 // added 2024-02-19
586 fnSetMetadataMulti = GetPrefixSymbol< decltype(sound4cl_SetMetadataMulti ) >("SetMetadataMulti" );
587
588 } catch (std::runtime_error& ) {
589 // Ignored, handler will take care
590 }
591
592 // Other optional, web server only
593 try {
594 // added 2024-05-23
595 fnWebserver_SetAppHealth = GetPrefixSymbol< decltype(sound4cl_Webserver_SetAppHealth ) >("Webserver_SetAppHealth" );
596 fnWebserver_GetAppHealth = GetPrefixSymbol< decltype(sound4cl_Webserver_GetAppHealth ) >("Webserver_GetAppHealth" );
597 fnWebserver_FreeString = GetPrefixSymbol< decltype(sound4cl_Webserver_FreeString ) >("Webserver_FreeString" );
598 } catch (std::runtime_error& ) {
599 // Ignored, handler will take care
600 }
601
602#ifdef _WIN32
603 // Other optional, windows tracing
604 try {
605 // added 2025-05-28
606 fnSetInstanceTracing = GetPrefixSymbol< decltype(sound4cl_SetInstanceTracing ) >("SetInstanceTracing" );
607 fnSetInstanceTracingProcessActivity= GetPrefixSymbol< decltype(sound4cl_SetInstanceTracingProcessActivity ) >("SetInstanceTracingProcessActivity");
608 } catch (std::runtime_error& ) {
609 // Ignored, handler will take care
610 }
611#endif // _WIN32
612
613 // Other optional
614 try {
615 // added 2026-02-17
616 fnGetAudioConverter = GetPrefixSymbol< decltype(sound4cl_GetAudioConverter ) >("GetAudioConverter" );
617 fnFreeAudioConverter = GetPrefixSymbol< decltype(sound4cl_FreeAudioConverter ) >("FreeAudioConverter" );
618 fnAudioConverter_From = GetPrefixSymbol< decltype(sound4cl_AudioConverter_From ) >("AudioConverter_From" );
619 fnAudioConverter_To = GetPrefixSymbol< decltype(sound4cl_AudioConverter_To ) >("AudioConverter_To" );
620 } catch (std::runtime_error& ) {
621 // Ignored, handler will take care
622 }
623
624 m_bOK=true;
625 return true;
626 }
633 bool IsOk() const {
634 return m_bOK;
635 }
636
637 // --------------------------------------------------------------
644 // --------------------------------------------------------------
655 void AudioConvertFrom(const uint8_t *payload, float *output, size_t nSpl, SampleFormat fmt)
656 { fnAudioConvertFrom(payload, output, nSpl, (sound4cl_SampleFormat)fmt); }
657
668 void AudioConvertTo(const float *input, uint8_t *payload, size_t nSpl, SampleFormat fmt)
669 { fnAudioConvertTo(input, payload, nSpl, (sound4cl_SampleFormat)fmt); }
670
680 void StereoToMono(const float *input, float *output, size_t nFrame)
681 { fnStereoToMono(input, output, nFrame); }
682
692 void MonoToStereo(const float *input, float *output, size_t nFrame)
693 { fnMonoToStereo(input, output, nFrame); }
694
705 void StereoToMono_Planar(const float *inputL, const float *inputR, float *output, size_t nFrame)
706 { fnStereoToMono_Planar(inputL, inputR, output, nFrame); }
707
718 void MonoToStereo_Planar(const float *input, float *outputL, float *outputR, size_t nFrame)
719 { fnMonoToStereo_Planar(input, outputL, outputR, nFrame); }
720
727 void AudioMonoFromLiveStereo(const uint8_t *payload, float *output)
728 { fnAudioMonoFromLiveStereo(payload, output); }
729
736 void AudioMonoToLiveStereo(const float *input, uint8_t *payload)
737 { fnAudioMonoToLiveStereo(input, payload); }
738
746 std::string GetVersion()
747 { return std::string(fnGetVersion()); }
748
759 unsigned int GetChunkSizeInFrames()
760 { return fnGetChunkSizeInFrames(); }
761
770 std::vector<unsigned int> GetPossibleChunkSizeInFrames()
771 {
772 std::vector<unsigned int> list;
773 if (fnGetPossibleChunkSizeInFrames) {
774 for (unsigned int* src=fnGetPossibleChunkSizeInFrames();*src;src++) {
775 list.push_back(*src);
776 }
777 } else {
778 list.push_back(fnGetChunkSizeInFrames());
779 }
780 return list;
781 }
782
788 unsigned int GetChannelCount()
789 { return fnGetChannelCount(); }
790
798 unsigned int GetAudioInputCount()
799 { return fnGetAudioInputCount(); }
800
808 unsigned int GetAudioOutputCount()
809 { return fnGetAudioOutputCount(); }
810
818 unsigned int GetSampleRate()
819 { return fnGetSampleRate(); }
820
827 std::string GetFormatName( const SampleFormat fmt)
828 { return std::string(fnGetFormatName((sound4cl_SampleFormat)fmt)); }
829
836 SampleFormat GetFormatFromName( const std::string& name)
837 { return SampleFormat(fnGetFormatFromName(name.c_str())); }
838
845 unsigned int GetBytesFromFormat( const SampleFormat fmt)
846 { return fnGetBytesFromFormat((sound4cl_SampleFormat)fmt); }
847
851 void SetLogSeverity(LogSeverity severity)
852 { fnSetLogSeverity((sound4cl_LogSeverity)severity); }
853
857 void SetLoggerCallback(log_cb_t cb)
858 { _log_cb=cb; fnSetLoggerCallback(&_log_cb_c); }
859 };
860
866 class CBus {
867 public:
868 CBus(CProcessor& dynlib)
869 : m_dynlib(dynlib)
870 {
871 if (m_dynlib.fnNewBus) {
872 m_bus=m_dynlib.fnNewBus();
873 }
874 }
875 ~CBus()
876 {
877 if (m_bus && m_dynlib.fnFreeBus) {
878 m_dynlib.fnFreeBus(m_bus);
879 }
880 m_bus = nullptr;
881 }
882 protected:
883 friend class CInstance;
884 sound4cl_CBus *Get() const { return m_bus; }
885 private:
886 CProcessor& m_dynlib;
887 sound4cl_CBus *m_bus;
888 };
889
895 class CPresetLoader {
896 public:
897 CPresetLoader() = default;
898 virtual ~CPresetLoader() = default;
899
900 virtual bool IsReadOnly() = 0;
901 virtual bool Exists(const std::filesystem::path &name) = 0;
902 virtual bool Remove(const std::filesystem::path &name) = 0;
903 virtual bool Rename(const std::filesystem::path &from, const std::filesystem::path &to) = 0;
904 virtual std::vector<std::filesystem::path> GetAll() = 0;
905 virtual std::string Read(const std::filesystem::path &filename) = 0;
906 virtual bool Write(const std::filesystem::path &filename, const std::string &content) =0;
907 };
918 class CInstance {
919 public:
925 CInstance(CProcessor& dynlib)
926 : m_dynlib(dynlib)
927 {
928 params = m_dynlib.fnNewParameters();
929 if (!params) throw std::bad_alloc();
930 }
931
940 CInstance(CProcessor& dynlib, void* _instance)
941 : m_dynlib(dynlib)
942 , instance(reinterpret_cast<sound4cl_CInstance*>(_instance))
943 , m_bOwned(false)
944 {
945 }
946 // non-copyable
947 CInstance( const CInstance& ) = delete;
948 CInstance& operator=( const CInstance& ) = delete;
952 virtual ~CInstance()
953 {
954 Stop();
955 if (params) m_dynlib.fnFreeParameters(params);
956 }
960 bool IsOk() const { return instance!=nullptr; }
970 void SetParam(const std::string& name, const std::string& value)
971 {
972 assert(params);
973 m_dynlib.fnSetParameter(params, name.c_str(), value.c_str());
974 }
981 std::string GetParam(const std::string& name)
982 {
983 assert(params);
984 auto c_value=m_dynlib.fnGetParameter(params, name.c_str());
985 std::string ret(c_value);
986 m_dynlib.fnFreeParameterValue(c_value);
987 return ret;
988 }
989
998 void SetBus(const CBus& bus) {
999 assert(params);
1000 if (m_dynlib.fnSetInstanceBus) {
1001 m_dynlib.fnSetInstanceBus(params,bus.Get());
1002 }
1003 }
1004
1015 void SetPresetManager(CPresetLoader *preset_manager)
1016 {
1017 if (!preset_manager) return;
1018 if (!m_dynlib.fnSetPresetManager) return;
1019 assert(params);
1020 m_dynlib.fnSetPresetManager(params,
1021 sound4cl_custom_reader,
1022 sound4cl_custom_reader_free,
1023 sound4cl_custom_writer,
1024 sound4cl_custom_exists,
1025 sound4cl_custom_getall,
1026 sound4cl_custom_getall_free,
1027 sound4cl_custom_remove,
1028 sound4cl_custom_rename,
1029 preset_manager->IsReadOnly(),
1030 preset_manager
1031 );
1032 }
1033
1056 bool Create(const std::string& LoginKey, const std::string& RadioName, const std::string& Access_Key_ID, const std::string& Access_Key_Secret, const std::filesystem::path& save_path, int json_port = 0, unsigned int frames_per_chunk=0)
1057 {
1058 assert(!instance);
1059 std::string l_save_path;
1060 if (!save_path.empty()) {
1061 #if (__cplusplus<202002L)
1062 l_save_path = save_path.u8string();
1063 #else // C++20
1064 l_save_path = (const char*)save_path.u8string().c_str();
1065 #endif // C++20
1066 }
1067 if (frames_per_chunk==0) {
1068 frames_per_chunk=m_dynlib.GetChunkSizeInFrames();
1069 }
1070 if (m_dynlib.fnInitProcess3) {
1071 instance = m_dynlib.fnInitProcess3(LoginKey.c_str(), RadioName.c_str(), Access_Key_ID.c_str(), Access_Key_Secret.c_str(), l_save_path.c_str(), params, frames_per_chunk);
1072 } else if (frames_per_chunk!=m_dynlib.GetChunkSizeInFrames()) {
1073 return false;
1074 } else {
1075 instance = m_dynlib.fnInitProcess2(LoginKey.c_str(), RadioName.c_str(), Access_Key_ID.c_str(), Access_Key_Secret.c_str(), l_save_path.c_str(), params);
1076 }
1077 if (!instance) return false;
1078 if (!init_metadata.empty()) {
1079 for (auto&& [key,value]: init_metadata) {
1080 m_dynlib.fnSetMetadata(instance, key.c_str(), value.c_str());
1081 }
1082 init_metadata.clear();
1083 }
1084 update_thread = std::thread([this, json_port](){
1085 OnUpdateThreadStart();
1086 m_dynlib.fnStartUpdateThread(instance, json_port);
1087 OnUpdateThreadStop();
1088 });
1089 int timeout=5000;
1090 #ifdef DEBUG
1091 timeout=60*1000; // For debugger pauses
1092 #endif
1093 if (m_dynlib.fnWaitUpdateThreadReady(instance, timeout)<0) {
1094 return false;
1095 }
1096 return true;
1097 }
1098
1106 unsigned int GetChunkFrames() {
1107 if (instance && m_dynlib.fnGetProcessChunkFrames) {
1108 return m_dynlib.fnGetProcessChunkFrames(instance);
1109 }
1110 return m_dynlib.fnGetChunkSizeInFrames();
1111 }
1112
1120 void PresetManager_InformChange(const std::filesystem::path& relative_path, PresetChange_Kind change_kind)
1121 {
1122 if (m_dynlib.fnPresetManager_InformChange) {
1123 m_dynlib.fnPresetManager_InformChange(instance, relative_path.c_str(), (sound4cl_PresetChange_Kind) change_kind);
1124 }
1125 }
1126
1138 void SetMetadata(const std::string& key, const char* value)
1139 {
1140 if (m_dynlib.fnSetMetadata) {
1141 if (instance) {
1142 m_dynlib.fnSetMetadata(instance, key.c_str(), value);
1143 } else {
1144 init_metadata.push_back( {key, value} );
1145 }
1146 }
1147 }
1148
1158 void SetMetadataMulti(const std::unordered_map<std::string, const char*>& list)
1159 {
1160 if (instance) {
1161 if (m_dynlib.fnSetMetadataMulti) {
1162 typedef const char* pchar;
1163 pchar* keyvalue=new pchar[2*list.size()+1];
1164 size_t n=0;
1165 for (auto&& [key,value]: list) {
1166 keyvalue[2*n+0]=key.c_str();
1167 keyvalue[2*n+1]=value;
1168 n++;
1169 }
1170 keyvalue[2*n+0]=nullptr;
1171
1172 sound4cl_SetMetadataMulti(instance, keyvalue);
1173
1174 delete[] keyvalue;
1175 } else {
1176 for (auto&& [key,value]: list) {
1177 SetMetadata(key, value);
1178 }
1179 }
1180 } else {
1181 for (auto&& [key,value]: list) {
1182 if (value) {
1183 init_metadata.push_back( {key, value} );
1184 }
1185 }
1186 }
1187 }
1188
1194 std::vector< std::tuple<std::string,std::string> > GetMetadataInfos()
1195 {
1196 std::vector< std::tuple<std::string,std::string> > values;
1197 if (m_dynlib.fnGetMetadataInfos) {
1198 const char** c_values = m_dynlib.fnGetMetadataInfos(instance);
1199 if (c_values) {
1200 for (const char** c_value=c_values; *c_value; ) {
1201 std::string key(*c_value);
1202 c_value++;
1203 if (*c_value) {
1204 std::string descr(*c_value);
1205 c_value++;
1206 values.push_back( {key,descr} );
1207 }
1208 }
1209 m_dynlib.fnFreeMetadataInfos(instance, c_values);
1210 }
1211 }
1212 return values;
1213 }
1214
1218 virtual void OnUpdateThreadStart() {}
1222 virtual void OnUpdateThreadStop() {}
1223
1224
1238 bool StartWebServer(int http_port, int https_port=0)
1239 {
1240 assert(instance);
1241 assert(webserver==SOUND4_INVALID_WEBSERVER_ID);
1242 if (!m_dynlib.fnWebserver) {
1243 return false;
1244 }
1245 webserver = m_dynlib.fnWebserver(http_port,https_port,instance);
1246 if (webserver==SOUND4_INVALID_WEBSERVER_ID) {
1247 return false;
1248 }
1249 int web_status=m_dynlib.fnWebserver_Status(webserver);
1250 if (http_port && (web_status & SOUND4_WEBSERVER_HTTP_OK) == 0) {
1251 return false;
1252 }
1253 if (https_port && (web_status & SOUND4_WEBSERVER_HTTPS_OK) == 0) {
1254 return false;
1255 }
1256 return true;
1257 }
1258
1266 void StopWebServer(int timeout_ms = 1000)
1267 {
1268 if (!m_dynlib.fnWebserver_Stop) return;
1269 if (webserver != SOUND4_INVALID_WEBSERVER_ID) {
1270 m_dynlib.fnWebserver_Stop(webserver, timeout_ms);
1271 webserver = SOUND4_INVALID_WEBSERVER_ID;
1272 }
1273 }
1274
1278 void SetWebServerAppHealth(int httpcode, const std::string& contenttype, const std::string& content)
1279 {
1280 assert(instance);
1281 if (!m_dynlib.fnWebserver_SetAppHealth) return;
1282 m_dynlib.fnWebserver_SetAppHealth(instance, httpcode, contenttype.c_str(), content.c_str());
1283 }
1287 void GetWebServerAppHealth(int &httpcode, std::string& contenttype, std::string& content)
1288 {
1289 assert(instance);
1290 if (!m_dynlib.fnWebserver_GetAppHealth) return;
1291 char* c_contenttype=nullptr;
1292 char* c_content=nullptr;
1293 m_dynlib.fnWebserver_GetAppHealth(instance, &httpcode, &c_contenttype, &c_content);
1294 contenttype=c_contenttype;
1295 content=c_content;
1296 m_dynlib.fnWebserver_FreeString(c_contenttype);
1297 m_dynlib.fnWebserver_FreeString(c_content);
1298 }
1307 int Terminate()
1308 {
1309 if (!instance) return 0;
1310 return m_dynlib.fnTerminateProcess(instance);
1311 }
1312
1318 void Stop()
1319 {
1320 if (!instance) return;
1321 if (m_bOwned) {
1322 StopWebServer();
1323 if (update_thread.joinable()) {
1324 m_dynlib.fnStopUpdateThread(instance); // this will exit the update thread
1325 update_thread.join();
1326 }
1327 m_dynlib.fnExitProcess(instance);
1328 }
1329 instance=nullptr;
1330 }
1331
1341 unsigned int GetEstimatedDelay()
1342 {
1343 assert(instance);
1344 return m_dynlib.fnGetEstimatedDelay(instance);
1345 }
1346
1359 float* GetBufferIn()
1360 {
1361 assert(instance);
1362 return m_dynlib.fnGetBufferIn(instance);
1363
1364 }
1376 float* GetBufferOut()
1377 {
1378 assert(instance);
1379 return m_dynlib.fnGetBufferOut(instance);
1380 }
1384 void ProcessAudio()
1385 {
1386 assert(instance);
1387 m_dynlib.fnProcessAudio(instance, GetBufferIn(), GetBufferOut());
1388 }
1400 void ProcessAudio_Planar(float const * const *input, float * const *output)
1401 {
1402 assert(instance);
1403 m_dynlib.fnProcessAudio_Planar(instance, input, output);
1404 }
1405
1417 template<typename T>
1418 std::vector<T> ProcessAnyAudio(const std::vector<T> input)
1419 {
1420 assert(instance);
1421 std::vector<T> output;
1422 unsigned int out_offset=0;
1423 unsigned int in_offset=0;
1424 unsigned int todo = input.size();
1425 while (todo>0) {
1426 unsigned int left = AddAudio(&input[in_offset], todo);
1427 unsigned int out_avail = m_dynlib.fnGetOutputCount(instance);
1428 output.resize(out_offset + out_avail);
1429 GetAudio(&output[out_offset], out_avail);
1430 out_offset+=out_avail;
1431 in_offset += todo-left;
1432 todo=left;
1433 }
1434 return output;
1435 }
1436
1442 class CClient {
1443 public:
1444 CClient(sound4cl_CInstance* instance, CProcessor& dynlib)
1445 : m_dynlib(dynlib)
1446 {
1447 assert(instance);
1448 client=m_dynlib.fnNewClient(instance);
1449 if (!client) throw std::bad_alloc();
1450 }
1451 // non-copyable
1452 CClient( const CInstance& ) = delete;
1453 CClient& operator=( const CInstance& ) = delete;
1454 ~CClient()
1455 {
1456 if (client) {
1457 m_dynlib.fnDeleteClient(client);
1458 client=nullptr;
1459 }
1460 }
1468 std::string ProcessJson(const std::string &request, bool *NeedSave = nullptr)
1469 {
1470 assert(client);
1471 int need_save=0;
1472 const char *canswer = m_dynlib.fnProcessJson(client, request.c_str(), &need_save);
1473 if (!canswer) return {};
1474 std::string answer(canswer);
1475 m_dynlib.fnFreeJsonAnswer (canswer);
1476 if (NeedSave) {
1477 *NeedSave=(need_save!=0);
1478 }
1479 return answer;
1480 }
1481 private:
1482 CProcessor& m_dynlib;
1483 sound4cl_CClientInstance *client = nullptr;
1484 };
1492 std::shared_ptr<CClient> NewClient()
1493 {
1494 assert(instance);
1495 return std::make_shared<CClient>(instance, m_dynlib);
1496 }
1497
1508 bool SaveState() {
1509 assert(instance);
1510 if (!m_dynlib.fnSaveState || m_dynlib.fnSaveState(instance)!=0) {
1511 return false;
1512 }
1513 return true;
1514 }
1515#ifdef _WIN32
1522 void SetInstanceTracing(TraceLoggingHProvider tracing_provider, GUID activity_guid = {}) {
1523 if (m_dynlib.fnSetInstanceTracing) {
1524 m_dynlib.fnSetInstanceTracing(params, tracing_provider, activity_guid);
1525 }
1526 }
1533 void SetInstanceTracingProcessActivity(GUID activity_guid) {
1534 assert(instance);
1535 if (m_dynlib.fnSetInstanceTracingProcessActivity) {
1536 m_dynlib.fnSetInstanceTracingProcessActivity(instance, activity_guid);
1537 }
1538 }
1539#endif // _WIN32
1540 protected:
1541 template<typename T>
1542 unsigned int AddAudio(const T* payload, unsigned int nFrame)
1543 {
1544 assert(instance);
1545 return m_dynlib.fnAddAudio(instance, reinterpret_cast<const T*>(payload), nFrame, helper::SampleFormat<T>::format);
1546 }
1547 template<typename T>
1548 unsigned int GetAudio(T* payload, unsigned int max_nFrame)
1549 {
1550 assert(instance);
1551 return m_dynlib.fnGetAudio(instance, reinterpret_cast<T*>(payload), max_nFrame, helper::SampleFormat<T>::format);
1552 }
1553
1554 private:
1555 CProcessor& m_dynlib;
1556 sound4cl_CParameters* params = nullptr;
1557 sound4cl_CInstance* instance = nullptr;
1558 std::thread update_thread;
1559 std::vector< std::pair<std::string,std::string> > init_metadata;
1560 uint64_t webserver = SOUND4_INVALID_WEBSERVER_ID;
1561 bool m_bOwned = true;
1562 };
1563
1564
1565 // --------------------------------------------------------------
1571 enum ConverterTargetMode {
1572 ConverterTargetMode_AsInput = sound4cl_ConverterTargetMode_AsInput,
1573 ConverterTargetMode_Mono = sound4cl_ConverterTargetMode_Mono,
1574 ConverterTargetMode_Stereo = sound4cl_ConverterTargetMode_Stereo,
1575 ConverterTargetMode_StereoToMono = sound4cl_ConverterTargetMode_StereoToMono,
1576 ConverterTargetMode_MonoToStereo = sound4cl_ConverterTargetMode_MonoToStereo,
1577 };
1578
1586 class CAudioConverter {
1587 public:
1593 CAudioConverter(CProcessor& dynlib)
1594 : m_dynlib(dynlib)
1595 { }
1596
1600 virtual ~CAudioConverter()
1601 {
1602 Delete();
1603 }
1604
1620 bool Configure(SampleFormat fmt, size_t nFrame, size_t payl_ch, size_t payl_ch_offset, ConverterTargetMode target_mode)
1621 {
1622 Delete();
1623 if (m_dynlib.fnGetAudioConverter)
1624 m_cvt = m_dynlib.fnGetAudioConverter((sound4cl_SampleFormat)fmt, nFrame, payl_ch, payl_ch_offset, (sound4cl_ConverterTargetMode)target_mode);
1625 return IsOK();
1626 }
1627 void Delete()
1628 {
1629 if (m_cvt && m_dynlib.fnFreeAudioConverter) {
1630 m_dynlib.fnFreeAudioConverter(m_cvt);
1631 }
1632 m_cvt = nullptr;
1633 }
1634 bool IsOK() const { return (m_cvt!=nullptr); }
1635
1644 void ConvertFrom(const uint8_t *payload, float *output)
1645 { m_dynlib.fnAudioConverter_From(m_cvt, payload, output); }
1646
1655 void ConvertTo(const float *input, uint8_t *payload)
1656 { m_dynlib.fnAudioConverter_To(m_cvt, input, payload); }
1657
1658 private:
1659 CProcessor& m_dynlib;
1660 sound4cl_CAudioConverter *m_cvt = nullptr;
1661 };
1662
1663}; // namespace sound4
1664
1665
1666// bridge C callbacks to CPresetLoader
1667extern "C" {
1668 static char *sound4cl_custom_reader(const fs_char *filename, void* userdata) {
1669 sound4::CPresetLoader *preset_loader=reinterpret_cast<sound4::CPresetLoader*>(userdata);
1670 std::string content=preset_loader->Read(filename);
1671 return strdup(content.c_str());
1672 }
1673 static void sound4cl_custom_reader_free(char *content, void* userdata) {
1674 if (!content) return;
1675 free(content);
1676 }
1677 static int sound4cl_custom_writer(const fs_char *filename, const char *content, void* userdata) {
1678 sound4::CPresetLoader *preset_loader=reinterpret_cast<sound4::CPresetLoader*>(userdata);
1679 auto res=preset_loader->Write(filename,content);
1680 return res?0:-1;
1681 }
1682 static int sound4cl_custom_exists(const fs_char *filename, void* userdata) {
1683 sound4::CPresetLoader *preset_loader=reinterpret_cast<sound4::CPresetLoader*>(userdata);
1684 auto res=preset_loader->Exists(filename);
1685 return res?0:-1;
1686 }
1687 static fs_char** sound4cl_custom_getall(void* userdata) {
1688 sound4::CPresetLoader *preset_loader=reinterpret_cast<sound4::CPresetLoader*>(userdata);
1689 auto res=preset_loader->GetAll();
1690 fs_char**all=(fs_char**)malloc((res.size()+1)*sizeof(const fs_char*));
1691 for (size_t n=0;n<res.size();n++) {
1692 all[n]=fs_strdup(res[n].c_str());
1693 }
1694 all[res.size()]=nullptr;
1695 return all;
1696 }
1697 static void sound4cl_custom_getall_free(fs_char** all, void* userdata) {
1698 if (!all) return;
1699 for (fs_char** one=all;*one;one++) {
1700 free(*one);
1701 }
1702 free(all);
1703 }
1704 static int sound4cl_custom_remove(const fs_char *filename, void* userdata) {
1705 sound4::CPresetLoader *preset_loader=reinterpret_cast<sound4::CPresetLoader*>(userdata);
1706 auto res=preset_loader->Remove(filename);
1707 return res?0:-1;
1708 }
1709 static int sound4cl_custom_rename(const fs_char *from, const fs_char *to, void* userdata) {
1710 sound4::CPresetLoader *preset_loader=reinterpret_cast<sound4::CPresetLoader*>(userdata);
1711 auto res=preset_loader->Rename(from,to);
1712 return res?0:-1;
1713 }
1714
1715};
sound4::CAudioConverter
Audio converter helper.
Definition sound4cl.hpp:1586
sound4::CAudioConverter::ConvertFrom
void ConvertFrom(const uint8_t *payload, float *output)
Definition sound4cl.hpp:1644
sound4::CAudioConverter::~CAudioConverter
virtual ~CAudioConverter()
Destroy the CAudioConverter object.
Definition sound4cl.hpp:1600
sound4::CAudioConverter::ConvertTo
void ConvertTo(const float *input, uint8_t *payload)
Definition sound4cl.hpp:1655
sound4::CAudioConverter::Configure
bool Configure(SampleFormat fmt, size_t nFrame, size_t payl_ch, size_t payl_ch_offset, ConverterTargetMode target_mode)
Definition sound4cl.hpp:1620
sound4::CAudioConverter::CAudioConverter
CAudioConverter(CProcessor &dynlib)
Construct a new empty CAudioConverter object.
Definition sound4cl.hpp:1593
sound4::CBus
Shared Bus.
Definition sound4cl.hpp:866
sound4::CBus::Get
sound4cl_CBus * Get() const
Definition sound4cl.hpp:884
sound4::CBus::CBus
CBus(CProcessor &dynlib)
Definition sound4cl.hpp:868
sound4::CInstance::CClient::CClient
CClient(const CInstance &)=delete
sound4::CInstance::CClient::CClient
CClient(sound4cl_CInstance *instance, CProcessor &dynlib)
Definition sound4cl.hpp:1444
sound4::CInstance::CClient::ProcessJson
std::string ProcessJson(const std::string &request, bool *NeedSave=nullptr)
Process a JSON request and returns the answer.
Definition sound4cl.hpp:1468
sound4::CInstance::CClient::operator=
CClient & operator=(const CInstance &)=delete
sound4::CInstance
Instance handling class.
Definition sound4cl.hpp:918
sound4::CInstance::Create
bool Create(const std::string &LoginKey, const std::string &RadioName, const std::string &Access_Key_ID, const std::string &Access_Key_Secret, const std::filesystem::path &save_path, int json_port=0, unsigned int frames_per_chunk=0)
Definition sound4cl.hpp:1056
sound4::CInstance::ProcessAudio_Planar
void ProcessAudio_Planar(float const *const *input, float *const *output)
Definition sound4cl.hpp:1400
sound4::CInstance::ProcessAnyAudio
std::vector< T > ProcessAnyAudio(const std::vector< T > input)
Definition sound4cl.hpp:1418
sound4::CInstance::~CInstance
virtual ~CInstance()
Definition sound4cl.hpp:952
sound4::CInstance::operator=
CInstance & operator=(const CInstance &)=delete
sound4::CInstance::CInstance
CInstance(const CInstance &)=delete
sound4::CInstance::GetWebServerAppHealth
void GetWebServerAppHealth(int &httpcode, std::string &contenttype, std::string &content)
Definition sound4cl.hpp:1287
sound4::CInstance::SetPresetManager
void SetPresetManager(CPresetLoader *preset_manager)
Definition sound4cl.hpp:1015
sound4::CInstance::SetBus
void SetBus(const CBus &bus)
Definition sound4cl.hpp:998
sound4::CInstance::OnUpdateThreadStop
virtual void OnUpdateThreadStop()
Definition sound4cl.hpp:1222
sound4::CInstance::GetChunkFrames
unsigned int GetChunkFrames()
Definition sound4cl.hpp:1106
sound4::CInstance::CInstance
CInstance(CProcessor &dynlib, void *_instance)
Definition sound4cl.hpp:940
sound4::CInstance::SetWebServerAppHealth
void SetWebServerAppHealth(int httpcode, const std::string &contenttype, const std::string &content)
Definition sound4cl.hpp:1278
sound4::CInstance::CInstance
CInstance(CProcessor &dynlib)
Definition sound4cl.hpp:925
sound4::CInstance::SetParam
void SetParam(const std::string &name, const std::string &value)
Definition sound4cl.hpp:970
sound4::CInstance::OnUpdateThreadStart
virtual void OnUpdateThreadStart()
Definition sound4cl.hpp:1218
sound4::CInstance::IsOk
bool IsOk() const
Definition sound4cl.hpp:960
sound4::CInstance::StartWebServer
bool StartWebServer(int http_port, int https_port=0)
Definition sound4cl.hpp:1238
sound4::CInstance::StopWebServer
void StopWebServer(int timeout_ms=1000)
Definition sound4cl.hpp:1266
sound4::CInstance::PresetManager_InformChange
void PresetManager_InformChange(const std::filesystem::path &relative_path, PresetChange_Kind change_kind)
Definition sound4cl.hpp:1120
sound4::CInstance::SetMetadataMulti
void SetMetadataMulti(const std::unordered_map< std::string, const char * > &list)
Definition sound4cl.hpp:1158
sound4::CInstance::AddAudio
unsigned int AddAudio(const T *payload, unsigned int nFrame)
Definition sound4cl.hpp:1542
sound4::CInstance::GetEstimatedDelay
unsigned int GetEstimatedDelay()
Definition sound4cl.hpp:1341
sound4::CInstance::GetMetadataInfos
std::vector< std::tuple< std::string, std::string > > GetMetadataInfos()
Definition sound4cl.hpp:1194
sound4::CInstance::NewClient
std::shared_ptr< CClient > NewClient()
Definition sound4cl.hpp:1492
sound4::CInstance::GetBufferOut
float * GetBufferOut()
Definition sound4cl.hpp:1376
sound4::CInstance::SetMetadata
void SetMetadata(const std::string &key, const char *value)
Definition sound4cl.hpp:1138
sound4::CInstance::SetInstanceTracing
void SetInstanceTracing(TraceLoggingHProvider tracing_provider, GUID activity_guid={})
Definition sound4cl.hpp:1522
sound4::CInstance::GetBufferIn
float * GetBufferIn()
Definition sound4cl.hpp:1359
sound4::CInstance::GetAudio
unsigned int GetAudio(T *payload, unsigned int max_nFrame)
Definition sound4cl.hpp:1548
sound4::CInstance::GetParam
std::string GetParam(const std::string &name)
Definition sound4cl.hpp:981
sound4::CInstance::SetInstanceTracingProcessActivity
void SetInstanceTracingProcessActivity(GUID activity_guid)
Definition sound4cl.hpp:1533
sound4::CPresetLoader
Custom preset handler helper.
Definition sound4cl.hpp:895
sound4::CPresetLoader::Read
virtual std::string Read(const std::filesystem::path &filename)=0
sound4::CPresetLoader::Rename
virtual bool Rename(const std::filesystem::path &from, const std::filesystem::path &to)=0
sound4::CPresetLoader::Exists
virtual bool Exists(const std::filesystem::path &name)=0
sound4::CPresetLoader::Write
virtual bool Write(const std::filesystem::path &filename, const std::string &content)=0
sound4::CPresetLoader::~CPresetLoader
virtual ~CPresetLoader()=default
sound4::CPresetLoader::Remove
virtual bool Remove(const std::filesystem::path &name)=0
sound4::CPresetLoader::GetAll
virtual std::vector< std::filesystem::path > GetAll()=0
sound4::CPresetLoader::IsReadOnly
virtual bool IsReadOnly()=0
sound4::CProcessor
Dynamic library interface.
Definition sound4cl.hpp:309
sound4::CProcessor::Load
bool Load(const std::filesystem::path &filepath)
Loads the library.
Definition sound4cl.hpp:431
sound4::CProcessor::SetLogSeverity
void SetLogSeverity(LogSeverity severity)
Definition sound4cl.hpp:851
sound4::CProcessor::GetAudioInputCount
unsigned int GetAudioInputCount()
Definition sound4cl.hpp:798
sound4::CProcessor::SetLoggerCallback
void SetLoggerCallback(log_cb_t cb)
Definition sound4cl.hpp:857
sound4::CProcessor::GetChunkSizeInFrames
unsigned int GetChunkSizeInFrames()
Definition sound4cl.hpp:759
sound4::CProcessor::GetFormatFromName
SampleFormat GetFormatFromName(const std::string &name)
Definition sound4cl.hpp:836
sound4::CProcessor::GetPossibleChunkSizeInFrames
std::vector< unsigned int > GetPossibleChunkSizeInFrames()
Definition sound4cl.hpp:770
sound4::CProcessor::GetFormatName
std::string GetFormatName(const SampleFormat fmt)
Definition sound4cl.hpp:827
sound4::CProcessor::GetBytesFromFormat
unsigned int GetBytesFromFormat(const SampleFormat fmt)
Definition sound4cl.hpp:845
sound4::CProcessor::GetAudioOutputCount
unsigned int GetAudioOutputCount()
Definition sound4cl.hpp:808
sound4::CProcessor::GetPrefixSymbol
helper::DynFuncHolder< T > GetPrefixSymbol(const std::string &name)
Definition sound4cl.hpp:416
sound4::CProcessor::GetSampleRate
unsigned int GetSampleRate()
Definition sound4cl.hpp:818
sound4::CProcessor::GetVersion
std::string GetVersion()
Definition sound4cl.hpp:746
sound4::CProcessor::IsOk
bool IsOk() const
Check if the library was loaded correctly.
Definition sound4cl.hpp:633
sound4::CProcessor::GetChannelCount
unsigned int GetChannelCount()
Definition sound4cl.hpp:788
sound4::CProcessor::CProcessor
CProcessor()=default
sound4::helper::CDynLoader
Helper to load dynamic library.
Definition sound4cl.hpp:155
sound4::helper::CDynLoader::GetSymbol_safe
DynFuncHolder< T > GetSymbol_safe(const std::string &name)
Definition sound4cl.hpp:247
sound4::helper::CDynLoader::operator=
CDynLoader & operator=(CDynLoader const &)=delete
sound4::helper::CDynLoader::Load
bool Load(const std::filesystem::path &dynlib, uint32_t loadflags=LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR|LOAD_LIBRARY_SEARCH_APPLICATION_DIR|LOAD_LIBRARY_SEARCH_USER_DIRS|LOAD_LIBRARY_SEARCH_SYSTEM32)
Definition sound4cl.hpp:220
sound4::helper::CDynLoader::CDynLoader
CDynLoader(const CDynLoader &)=delete
sound4::helper::CDynLoader::GetThisLibraryPath
static std::filesystem::path GetThisLibraryPath(void)
Definition sound4cl.hpp:251
sound4::helper::CDynLoader::CDynLoader
CDynLoader(CDynLoader &&)=default
sound4::helper::CDynLoader::GetSymbol
DynFuncHolder< T > GetSymbol(const std::string &name)
Definition sound4cl.hpp:239
sound4::helper::DynFuncHolder
Helper to wrap a function pointer.
Definition sound4cl.hpp:134
sound4::helper::DynFuncHolder::DynFuncHolder
DynFuncHolder(DynFunc_t a_ptr)
Definition sound4cl.hpp:145
sound4::CProcessor::AudioConvertTo
void AudioConvertTo(const float *input, uint8_t *payload, size_t nSpl, SampleFormat fmt)
Definition sound4cl.hpp:668
sound4::CProcessor::AudioMonoToLiveStereo
void AudioMonoToLiveStereo(const float *input, uint8_t *payload)
Definition sound4cl.hpp:736
sound4::CProcessor::StereoToMono_Planar
void StereoToMono_Planar(const float *inputL, const float *inputR, float *output, size_t nFrame)
Definition sound4cl.hpp:705
sound4::CProcessor::MonoToStereo
void MonoToStereo(const float *input, float *output, size_t nFrame)
Definition sound4cl.hpp:692
sound4::CProcessor::AudioConvertFrom
void AudioConvertFrom(const uint8_t *payload, float *output, size_t nSpl, SampleFormat fmt)
Definition sound4cl.hpp:655
sound4::CProcessor::StereoToMono
void StereoToMono(const float *input, float *output, size_t nFrame)
Definition sound4cl.hpp:680
sound4::CProcessor::AudioMonoFromLiveStereo
void AudioMonoFromLiveStereo(const uint8_t *payload, float *output)
Definition sound4cl.hpp:727
sound4::CProcessor::MonoToStereo_Planar
void MonoToStereo_Planar(const float *input, float *outputL, float *outputR, size_t nFrame)
Definition sound4cl.hpp:718
sound4::ConverterTargetMode
ConverterTargetMode
Definition sound4cl.hpp:1571
sound4::ConverterTargetMode_MonoToStereo
@ ConverterTargetMode_MonoToStereo
Stereo process, using mono extract/payload (converts mono to stereo)
Definition sound4cl.hpp:1576
sound4::ConverterTargetMode_Mono
@ ConverterTargetMode_Mono
Mono process (using mono extract/payload)
Definition sound4cl.hpp:1573
sound4::ConverterTargetMode_Stereo
@ ConverterTargetMode_Stereo
Stereo process (using stereo extract/payload)
Definition sound4cl.hpp:1574
sound4::ConverterTargetMode_AsInput
@ ConverterTargetMode_AsInput
Same channels as input (no extract/insert)
Definition sound4cl.hpp:1572
sound4::ConverterTargetMode_StereoToMono
@ ConverterTargetMode_StereoToMono
Mono process, using stereo extract/payload (converts stereo to mono)
Definition sound4cl.hpp:1575
fs_char
wchar_t fs_char
Definition sound4.x1.cloud.h:476
SOUND4_WEBSERVER_HTTPS_OK
#define SOUND4_WEBSERVER_HTTPS_OK
Definition sound4.x1.cloud.h:1345
SOUND4_WEBSERVER_HTTP_OK
#define SOUND4_WEBSERVER_HTTP_OK
Definition sound4.x1.cloud.h:1341
SOUND4_INVALID_WEBSERVER_ID
#define SOUND4_INVALID_WEBSERVER_ID
Definition sound4.x1.cloud.h:1336
sound4::helper::WStringToUTF8
static std::string WStringToUTF8(const std::wstring &wstr)
Definition sound4cl.hpp:86
sound4::helper::UTF8ToWString
static std::wstring UTF8ToWString(const std::string &str)
Definition sound4cl.hpp:98
sound4::S32_NATIVE
@ S32_NATIVE
32-bit signed integer, native
Definition sound4cl.hpp:72
sound4::S16_LE
@ S16_LE
16-bit signed integer, little-endian
Definition sound4cl.hpp:62
sound4::S24_BE
@ S24_BE
24-bit signed integer, big-endian
Definition sound4cl.hpp:65
sound4::F32_LE
@ F32_LE
32-bit floating-point, little-endian
Definition sound4cl.hpp:68
sound4::S24_LE
@ S24_LE
24-bit signed integer, little-endian
Definition sound4cl.hpp:64
sound4::S32_LE
@ S32_LE
32-bit signed integer, little-endian
Definition sound4cl.hpp:66
sound4::F32_BE
@ F32_BE
32-bit floating-point, big-endian
Definition sound4cl.hpp:69
sound4::S16_BE
@ S16_BE
16-bit signed integer, big-endian
Definition sound4cl.hpp:63
sound4::S32_BE
@ S32_BE
32-bit signed integer, big-endian
Definition sound4cl.hpp:67
sound4::INVALID_FORMAT
@ INVALID_FORMAT
Invalid.
Definition sound4cl.hpp:61
sound4::F32_NATIVE
@ F32_NATIVE
32-bit floating-point, native
Definition sound4cl.hpp:73
sound4::S24_NATIVE
@ S24_NATIVE
24-bit signed integer, native
Definition sound4cl.hpp:71
sound4::S16_NATIVE
@ S16_NATIVE
16-bit signed integer, native
Definition sound4cl.hpp:70
sound4::fatal
@ fatal
fatal error
Definition sound4cl.hpp:277
sound4::verbose
@ verbose
verbose
Definition sound4cl.hpp:281
sound4::none
@ none
Not used.
Definition sound4cl.hpp:276
sound4::verbose3
@ verbose3
verbose3
Definition sound4cl.hpp:283
sound4::verbose5
@ verbose5
verbose5
Definition sound4cl.hpp:285
sound4::verbose2
@ verbose2
verbose2
Definition sound4cl.hpp:282
sound4::warning
@ warning
warning
Definition sound4cl.hpp:279
sound4::error
@ error
error
Definition sound4cl.hpp:278
sound4::info
@ info
info
Definition sound4cl.hpp:280
sound4::verbose4
@ verbose4
verbose4
Definition sound4cl.hpp:284
sound4::_log_cb_c
static void _log_cb_c(sound4cl_LogSeverity severity, const char *c_msg)
Definition sound4cl.hpp:298
sound4::log_cb_t
std::function< void(LogSeverity, const std::string &)> log_cb_t
Definition sound4cl.hpp:291
sound4::_log_cb
static log_cb_t _log_cb
Definition sound4cl.hpp:296
sound4::PresetChange_Kind
PresetChange_Kind
Definition sound4cl.hpp:908
sound4::change_kind_created
@ change_kind_created
has been created
Definition sound4cl.hpp:909
sound4::change_kind_deleted
@ change_kind_deleted
has been deleted
Definition sound4cl.hpp:911
sound4::change_kind_modified
@ change_kind_modified
has been modified
Definition sound4cl.hpp:910
TraceLoggingHProvider
struct _tlgProvider_t const * TraceLoggingHProvider
Definition sound4.x1.cloud.h:418
sound4cl_cdef.h
F32_NATIVE
@ F32_NATIVE
32-bit floating-point, native
Definition sound4cl_cdef.h:90
change_kind_modified
@ change_kind_modified
Path has been modified.
Definition sound4cl_cdef.h:64
INVALID_FORMAT
@ INVALID_FORMAT
Invalid.
Definition sound4cl_cdef.h:75
S16_NATIVE
@ S16_NATIVE
16-bit signed integer, native
Definition sound4cl_cdef.h:87
change_kind_created
@ change_kind_created
Path has been created.
Definition sound4cl_cdef.h:63
F32_LE
@ F32_LE
32-bit floating-point, little-endian
Definition sound4cl_cdef.h:82
S16_BE
@ S16_BE
16-bit signed integer, big-endian
Definition sound4cl_cdef.h:77
S32_BE
@ S32_BE
32-bit signed integer, big-endian
Definition sound4cl_cdef.h:81
S24_BE
@ S24_BE
24-bit signed integer, big-endian
Definition sound4cl_cdef.h:79
S16_LE
@ S16_LE
16-bit signed integer, little-endian
Definition sound4cl_cdef.h:76
F32_BE
@ F32_BE
32-bit floating-point, big-endian
Definition sound4cl_cdef.h:83
S32_NATIVE
@ S32_NATIVE
32-bit signed integer, native
Definition sound4cl_cdef.h:89
change_kind_deleted
@ change_kind_deleted
Path has been deleted.
Definition sound4cl_cdef.h:65
S24_LE
@ S24_LE
24-bit signed integer, little-endian
Definition sound4cl_cdef.h:78
S32_LE
@ S32_LE
32-bit signed integer, little-endian
Definition sound4cl_cdef.h:80
S24_NATIVE
@ S24_NATIVE
24-bit signed integer, native
Definition sound4cl_cdef.h:88
sound4::helper::SampleFormat
Helper for Sample format types.
Definition sound4cl.hpp:113
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