mumble/plugins/PluginComponents_v_1_0_x.h
2022-07-23 12:53:54 +02:00

417 lines
14 KiB
C++

// Copyright 2021-2022 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
/// This header file contains definitions of types and other components used in Mumble's plugin system
#ifndef EXTERNAL_MUMBLE_PLUGINCOMPONENT_H_
#define EXTERNAL_MUMBLE_PLUGINCOMPONENT_H_
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
# include <string>
#endif
#if defined(QT_CORE_LIB) || defined(QT_VERSION)
# include <QString>
#endif
// define the calling convention macro based on the compiler being used
#if defined(_MSC_VER)
# define PLUGIN_CALLING_CONVENTION __cdecl
#elif defined(__MINGW32__)
# define PLUGIN_CALLING_CONVENTION __attribute__((cdecl))
#else
# define PLUGIN_CALLING_CONVENTION
#endif
/// This enum's values correspond to special feature sets a plugin may provide.
/// They are meant to be or'ed together to represent the total feature set of a plugin.
enum Mumble_PluginFeature {
/// None of the below
MUMBLE_FEATURE_NONE = 0,
/// The plugin provides positional data from a game
MUMBLE_FEATURE_POSITIONAL = 1 << 0,
/// The plugin modifies the input/output audio itself
MUMBLE_FEATURE_AUDIO = 1 << 1
};
/// This enum's values represent talking states a user can be in when using Mumble.
enum Mumble_TalkingState {
MUMBLE_TS_INVALID = -1,
MUMBLE_TS_PASSIVE = 0,
MUMBLE_TS_TALKING,
MUMBLE_TS_WHISPERING,
MUMBLE_TS_SHOUTING,
MUMBLE_TS_TALKING_MUTED
};
/// This enum's values represent transmission modes a user might have configured. Transmission mode
/// in this context is referring to a method that determines when a user is speaking and thus when
/// to transmit audio packets.
enum Mumble_TransmissionMode { MUMBLE_TM_CONTINOUS, MUMBLE_TM_VOICE_ACTIVATION, MUMBLE_TM_PUSH_TO_TALK };
/// This enum's values represent the error codes that are being used by the MumbleAPI.
/// You can get a string-representation for each error code via the errorMessage function.
enum Mumble_ErrorCode {
MUMBLE_EC_INTERNAL_ERROR = -2,
MUMBLE_EC_GENERIC_ERROR = -1,
MUMBLE_EC_OK = 0,
MUMBLE_EC_POINTER_NOT_FOUND,
MUMBLE_EC_NO_ACTIVE_CONNECTION,
MUMBLE_EC_USER_NOT_FOUND,
MUMBLE_EC_CHANNEL_NOT_FOUND,
MUMBLE_EC_CONNECTION_NOT_FOUND,
MUMBLE_EC_UNKNOWN_TRANSMISSION_MODE,
MUMBLE_EC_AUDIO_NOT_AVAILABLE,
MUMBLE_EC_INVALID_SAMPLE,
MUMBLE_EC_INVALID_PLUGIN_ID,
MUMBLE_EC_INVALID_MUTE_TARGET,
MUMBLE_EC_CONNECTION_UNSYNCHRONIZED,
MUMBLE_EC_INVALID_API_VERSION,
MUMBLE_EC_UNSYNCHRONIZED_BLOB,
MUMBLE_EC_UNKNOWN_SETTINGS_KEY,
MUMBLE_EC_WRONG_SETTINGS_TYPE,
MUMBLE_EC_SETTING_WAS_REMOVED,
MUMBLE_EC_DATA_TOO_BIG,
MUMBLE_EC_DATA_ID_TOO_LONG,
MUMBLE_EC_API_REQUEST_TIMEOUT,
MUMBLE_EC_OPERATION_UNSUPPORTED_BY_SERVER,
};
/// This enum's values represent error codes specific to the framework of handling positional data
/// gathering (needed for Mumble's positional audio feature).
enum Mumble_PositionalDataErrorCode {
/// Positional data has been initialized properly
MUMBLE_PDEC_OK = 0,
/// Positional data is temporarily unavailable (e.g. because the corresponding process isn't running) but might be
/// at another point in time.
MUMBLE_PDEC_ERROR_TEMP,
/// Positional data is permanently unavailable (e.g. because the respective memory offsets are outdated).
MUMBLE_PDEC_ERROR_PERM
};
/// This enum's values represent keys for specific settings inside Mumble.
enum Mumble_SettingsKey {
MUMBLE_SK_INVALID = -1,
MUMBLE_SK_AUDIO_INPUT_VOICE_HOLD = 0,
MUMBLE_SK_AUDIO_INPUT_VAD_SILENCE_THRESHOLD = 1,
MUMBLE_SK_AUDIO_INPUT_VAD_SPEECH_THRESHOLD = 2,
MUMBLE_SK_AUDIO_OUTPUT_PA_MINIMUM_DISTANCE = 3,
MUMBLE_SK_AUDIO_OUTPUT_PA_MAXIMUM_DISTANCE = 4,
MUMBLE_SK_AUDIO_OUTPUT_PA_BLOOM = 5,
MUMBLE_SK_AUDIO_OUTPUT_PA_MINIMUM_VOLUME = 6,
};
/// This enum's values represent the key-codes Mumble's API uses to reference keys on the keyboard.
enum Mumble_KeyCode {
MUMBLE_KC_INVALID = -1,
// Non-printable characters first
MUMBLE_KC_NULL = 0,
MUMBLE_KC_END = 1,
MUMBLE_KC_LEFT = 2,
MUMBLE_KC_RIGHT = 4,
MUMBLE_KC_UP = 5,
MUMBLE_KC_DOWN = 6,
MUMBLE_KC_DELETE = 7,
MUMBLE_KC_BACKSPACE = 8,
MUMBLE_KC_TAB = 9,
MUMBLE_KC_ENTER = 10, // == '\n'
MUMBLE_KC_ESCAPE = 27,
MUMBLE_KC_PAGE_UP = 11,
MUMBLE_KC_PAGE_DOWN = 12,
MUMBLE_KC_SHIFT = 13,
MUMBLE_KC_CONTROL = 14,
MUMBLE_KC_META = 15,
MUMBLE_KC_ALT = 16,
MUMBLE_KC_ALT_GR = 17,
MUMBLE_KC_CAPSLOCK = 18,
MUMBLE_KC_NUMLOCK = 19,
MUMBLE_KC_SUPER = 20, // == windows key
MUMBLE_KC_HOME = 21, // == Pos1
MUMBLE_KC_PRINT = 22,
MUMBLE_KC_SCROLLLOCK = 23,
// Printable characters are assigned to their ASCII code
MUMBLE_KC_SPACE = ' ',
MUMBLE_KC_EXCLAMATION_MARK = '!',
MUMBLE_KC_DOUBLE_QUOTE = '"',
MUMBLE_KC_HASHTAG = '#',
MUMBLE_KC_DOLLAR = '$',
MUMBLE_KC_PERCENT = '%',
MUMBLE_KC_AMPERSAND = '&',
MUMBLE_KC_SINGLE_QUOTE = '\'',
MUMBLE_KC_OPEN_PARENTHESIS = '(',
MUMBLE_KC_CLOSE_PARENTHESIS = ')',
MUMBLE_KC_ASTERISK = '*',
MUMBLE_KC_PLUS = '+',
MUMBLE_KC_COMMA = ',',
MUMBLE_KC_MINUS = '-',
MUMBLE_KC_PERIOD = '.',
MUMBLE_KC_SLASH = '/',
MUMBLE_KC_0 = '0',
MUMBLE_KC_1 = '1',
MUMBLE_KC_2 = '2',
MUMBLE_KC_3 = '3',
MUMBLE_KC_4 = '4',
MUMBLE_KC_5 = '5',
MUMBLE_KC_6 = '6',
MUMBLE_KC_7 = '7',
MUMBLE_KC_8 = '8',
MUMBLE_KC_9 = '9',
MUMBLE_KC_COLON = ':',
MUMBLE_KC_SEMICOLON = ';',
MUMBLE_KC_LESS_THAN = '<',
MUMBLE_KC_EQUALS = '=',
MUMBLE_KC_GREATER_THAN = '>',
MUMBLE_KC_QUESTION_MARK = '?',
MUMBLE_KC_AT_SYMBOL = '@',
MUMBLE_KC_A = 'A',
MUMBLE_KC_B = 'B',
MUMBLE_KC_C = 'C',
MUMBLE_KC_D = 'D',
MUMBLE_KC_E = 'E',
MUMBLE_KC_F = 'F',
MUMBLE_KC_G = 'G',
MUMBLE_KC_H = 'H',
MUMBLE_KC_I = 'I',
MUMBLE_KC_J = 'J',
MUMBLE_KC_K = 'K',
MUMBLE_KC_L = 'L',
MUMBLE_KC_M = 'M',
MUMBLE_KC_N = 'N',
MUMBLE_KC_O = 'O',
MUMBLE_KC_P = 'P',
MUMBLE_KC_Q = 'Q',
MUMBLE_KC_R = 'R',
MUMBLE_KC_S = 'S',
MUMBLE_KC_T = 'T',
MUMBLE_KC_U = 'U',
MUMBLE_KC_V = 'V',
MUMBLE_KC_W = 'W',
MUMBLE_KC_X = 'X',
MUMBLE_KC_Y = 'Y',
MUMBLE_KC_Z = 'Z',
// leave out lowercase letters (for now)
MUMBLE_KC_OPEN_BRACKET = '[',
MUMBLE_KC_BACKSLASH = '\\',
MUMBLE_KC_CLOSE_BRACKET = ']',
MUMBLE_KC_CIRCUMFLEX = '^',
MUMBLE_KC_UNDERSCORE = '_',
MUMBLE_KC_GRAVE_AKCENT = '`',
MUMBLE_KC_OPEN_BRACE = '{',
MUMBLE_KC_VERTICAL_BAR = '|',
MUMBLE_KC_CLOSE_BRACE = '}',
MUMBLE_KC_TILDE = '~',
// Some characters from the extended ASCII code
MUMBLE_KC_DEGREE_SIGN = 176,
// F-keys
// Start at a value of 256 as extended ASCII codes range up to 255
MUMBLE_KC_F1 = 256,
MUMBLE_KC_F2 = 257,
MUMBLE_KC_F3 = 258,
MUMBLE_KC_F4 = 259,
MUMBLE_KC_F5 = 260,
MUMBLE_KC_F6 = 261,
MUMBLE_KC_F7 = 262,
MUMBLE_KC_F8 = 263,
MUMBLE_KC_F9 = 264,
MUMBLE_KC_F10 = 265,
MUMBLE_KC_F11 = 266,
MUMBLE_KC_F12 = 267,
MUMBLE_KC_F13 = 268,
MUMBLE_KC_F14 = 269,
MUMBLE_KC_F15 = 270,
MUMBLE_KC_F16 = 271,
MUMBLE_KC_F17 = 272,
MUMBLE_KC_F18 = 273,
MUMBLE_KC_F19 = 274,
};
/// A struct for representing a version of the form major.minor.patch
struct MumbleVersion {
int32_t major;
int32_t minor;
int32_t patch;
#ifdef __cplusplus
bool operator<(const MumbleVersion &other) const {
if (this->major != other.major) {
return this->major < other.major;
}
if (this->minor != other.minor) {
return this->minor < other.minor;
}
// Major and Minor are equal
return this->patch < other.patch;
}
bool operator>(const MumbleVersion &other) const {
if (this->major != other.major) {
return this->major > other.major;
}
if (this->minor != other.minor) {
return this->minor > other.minor;
}
// Major and Minor are equal
return this->patch > other.patch;
}
bool operator>=(const MumbleVersion &other) const {
if (this->major != other.major) {
return this->major > other.major;
}
if (this->minor != other.minor) {
return this->minor > other.minor;
}
// Major and Minor are equal
return this->patch >= other.patch;
}
bool operator<=(const MumbleVersion &other) const {
if (this->major != other.major) {
return this->major < other.major;
}
if (this->minor != other.minor) {
return this->minor < other.minor;
}
// Major and Minor are equal
return this->patch <= other.patch;
}
bool operator==(const MumbleVersion &other) const {
return this->major == other.major && this->minor == other.minor && this->patch == other.patch;
}
bool operator!=(const MumbleVersion &other) const {
return this->major != other.major || this->minor != other.minor || this->patch != other.patch;
}
operator std::string() const {
return std::string("v") + std::to_string(this->major) + std::string(".") + std::to_string(this->minor)
+ std::string(".") + std::to_string(this->patch);
}
# if defined(QT_CORE_LIB) || defined(QT_VERSION)
operator QString() const {
return QString::fromLatin1("v%0.%1.%2").arg(this->major).arg(this->minor).arg(this->patch);
}
# endif
#endif
};
/// Obtains a String representation for the given numeric error code.
/// Note that the exact String representation corresponding to an error code may change and is thus
/// not part of the plugin API as such. This function acts merely as a convenience helper for printing
/// errors in a meaningful way.
///
/// @param errorCode The error code to get the String representation for
/// @returns The error message coresponding to the given error code. The message
/// is encoded as a C-string and is static, meaning that it is safe to use the
/// returned pointer in your code.
inline const char *mumble_errorMessage(int16_t errorCode) {
switch (errorCode) {
case MUMBLE_EC_GENERIC_ERROR:
return "Generic error";
case MUMBLE_EC_OK:
return "Ok - this is not an error";
case MUMBLE_EC_POINTER_NOT_FOUND:
return "Can't find the passed pointer";
case MUMBLE_EC_NO_ACTIVE_CONNECTION:
return "There is currently no active connection to a server";
case MUMBLE_EC_USER_NOT_FOUND:
return "Can't find the requested user";
case MUMBLE_EC_CHANNEL_NOT_FOUND:
return "Can't find the requested channel";
case MUMBLE_EC_CONNECTION_NOT_FOUND:
return "Can't identify the requested connection";
case MUMBLE_EC_UNKNOWN_TRANSMISSION_MODE:
return "Unknown transmission mode encountered";
case MUMBLE_EC_AUDIO_NOT_AVAILABLE:
return "There is currently no audio output available";
case MUMBLE_EC_INVALID_SAMPLE:
return "Attempted to use invalid sample (can't play it)";
case MUMBLE_EC_INVALID_PLUGIN_ID:
return "Used an invalid plugin ID";
case MUMBLE_EC_INVALID_MUTE_TARGET:
return "Used an invalid mute-target";
case MUMBLE_EC_CONNECTION_UNSYNCHRONIZED:
return "The requested server connection has not yet finished synchronizing";
case MUMBLE_EC_INVALID_API_VERSION:
return "The used API version is invalid or not supported";
case MUMBLE_EC_UNSYNCHRONIZED_BLOB:
return "The requested blob (content) has not yet been synchronized between the client and the server";
case MUMBLE_EC_UNKNOWN_SETTINGS_KEY:
return "The used settings-key does not match any key known to Mumble";
case MUMBLE_EC_WRONG_SETTINGS_TYPE:
return "The referenced setting has a different type than requested";
case MUMBLE_EC_SETTING_WAS_REMOVED:
return "The referenced setting got removed from Mumble and is no longer used";
case MUMBLE_EC_DATA_TOO_BIG:
return "The given data is too large (exceeds limit)";
case MUMBLE_EC_DATA_ID_TOO_LONG:
return "The given data ID is too long (exceeds limit)";
case MUMBLE_EC_API_REQUEST_TIMEOUT:
return "A blocking API call took too long and was thus aborted (probably preventing a deadlock)";
case MUMBLE_EC_OPERATION_UNSUPPORTED_BY_SERVER:
return "The requested API operation depends on server-side functionality, not supported by the server "
"you're connected to";
default:
return "Unknown error code";
}
}
/// This struct is used to return Strings from a plugin to Mumble. It is needed in order to
/// work around the limitation of std::string not being part of C (it holds important information
/// about the String's lifetime management requirements).
struct MumbleStringWrapper {
/// The pointer to the actual String data
const char *data;
/// The size of the pointed String data
size_t size;
/// Whether the wrapped String needs to be released
/// after its usage. Instances for which this would be
/// false: Static Strings, String literals
bool needsReleasing;
};
/// Typedef for the type of a talking state
typedef enum Mumble_TalkingState mumble_talking_state_t;
/// Typedef for the type of a transmission mode
typedef enum Mumble_TransmissionMode mumble_transmission_mode_t;
/// Typedef for the type of a version
typedef struct MumbleVersion mumble_version_t;
/// Typedef for the type of a connection
typedef int32_t mumble_connection_t;
/// Typedef for the type of a user
typedef uint32_t mumble_userid_t;
/// Typedef for the type of a channel
typedef int32_t mumble_channelid_t;
/// Typedef for the type of an error (code)
typedef enum Mumble_ErrorCode mumble_error_t;
/// Typedef for the type of a plugin ID
typedef uint32_t mumble_plugin_id_t;
/// Typedef for the type of a key to a setting in Mumble
typedef enum Mumble_SettingsKey mumble_settings_key_t;
/// Typedef for the type of a key-code
typedef enum Mumble_KeyCode mumble_keycode_t;
/// A constant holding the exit status of a successful operation
static const mumble_error_t MUMBLE_STATUS_OK = MUMBLE_EC_OK;
/// A constant holding the version object that is considered to correspond to an unknown version
static const mumble_version_t MUMBLE_VERSION_UNKNOWN = { 0, 0, 0 };
#endif // EXTERNAL_MUMBLE_PLUGINCOMPONENT_H_