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annotate DPF-Prymula-audioplugins/dpf/distrho/src/clap/entry.h @ 3:84e66ea83026

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DPF-Prymula-audioplugins-0.231015-2
author prymula <prymula76@outlook.com>
date Mon, 16 Oct 2023 21:53:34 +0200
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1 #pragma once
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2
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3 #include "version.h"
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4 #include "private/macros.h"
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5
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6 #ifdef __cplusplus
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7 extern "C" {
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8 #endif
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9
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10 // This interface is the entry point of the dynamic library.
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11 //
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12 // CLAP plugins standard search path:
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13 //
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14 // Linux
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15 // - ~/.clap
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16 // - /usr/lib/clap
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17 //
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18 // Windows
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19 // - %CommonFilesFolder%/CLAP/
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20 // - %LOCALAPPDATA%/Programs/Common/CLAP/
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21 //
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22 // MacOS
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23 // - /Library/Audio/Plug-Ins/CLAP
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24 // - ~/Library/Audio/Plug-Ins/CLAP
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25 //
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26 // In addition to the OS-specific default locations above, a CLAP host must query the environment
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27 // for a CLAP_PATH variable, which is a list of directories formatted in the same manner as the host
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28 // OS binary search path (PATH on Unix, separated by `:` and Path on Windows, separated by ';', as
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29 // of this writing).
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30 //
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31 // Each directory should be recursively searched for files and/or bundles as appropriate in your OS
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32 // ending with the extension `.clap`.
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33 //
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34 // Every method must be thread-safe.
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35 typedef struct clap_plugin_entry {
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36 clap_version_t clap_version; // initialized to CLAP_VERSION
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37
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38 // This function must be called first, and can only be called once.
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39 //
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40 // It should be as fast as possible, in order to perform a very quick scan of the plugin
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41 // descriptors.
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42 //
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43 // It is forbidden to display graphical user interface in this call.
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44 // It is forbidden to perform user interaction in this call.
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45 //
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46 // If the initialization depends upon expensive computation, maybe try to do them ahead of time
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47 // and cache the result.
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48 //
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49 // If init() returns false, then the host must not call deinit() nor any other clap
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50 // related symbols from the DSO.
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51 bool(CLAP_ABI *init)(const char *plugin_path);
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52
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53 // No more calls into the DSO must be made after calling deinit().
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54 void(CLAP_ABI *deinit)(void);
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55
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56 // Get the pointer to a factory. See plugin-factory.h for an example.
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57 //
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58 // Returns null if the factory is not provided.
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59 // The returned pointer must *not* be freed by the caller.
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60 const void *(CLAP_ABI *get_factory)(const char *factory_id);
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61 } clap_plugin_entry_t;
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62
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63 /* Entry point */
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64 CLAP_EXPORT extern const clap_plugin_entry_t clap_entry;
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65
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66 #ifdef __cplusplus
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67 }
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68 #endif