obs-websocket/src/eventhandler/EventHandler_Inputs.cpp
2022-11-12 16:00:28 -08:00

401 lines
12 KiB
C++

/*
obs-websocket
Copyright (C) 2016-2021 Stephane Lepin <stephane.lepin@gmail.com>
Copyright (C) 2020-2021 Kyle Manning <tt2468@gmail.com>
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, see <https://www.gnu.org/licenses/>
*/
#include "EventHandler.h"
/**
* An input has been created.
*
* @dataField inputName | String | Name of the input
* @dataField inputKind | String | The kind of the input
* @dataField unversionedInputKind | String | The unversioned kind of input (aka no `_v2` stuff)
* @dataField inputSettings | Object | The settings configured to the input when it was created
* @dataField defaultInputSettings | Object | The default settings for the input
*
* @eventType InputCreated
* @eventSubscription Inputs
* @complexity 2
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputCreated(obs_source_t *source)
{
std::string inputKind = obs_source_get_id(source);
OBSDataAutoRelease inputSettings = obs_source_get_settings(source);
OBSDataAutoRelease defaultInputSettings = obs_get_source_defaults(inputKind.c_str());
json eventData;
eventData["inputName"] = obs_source_get_name(source);
eventData["inputKind"] = inputKind;
eventData["unversionedInputKind"] = obs_source_get_unversioned_id(source);
eventData["inputSettings"] = Utils::Json::ObsDataToJson(inputSettings);
eventData["defaultInputSettings"] = Utils::Json::ObsDataToJson(defaultInputSettings, true);
BroadcastEvent(EventSubscription::Inputs, "InputCreated", eventData);
}
/**
* An input has been removed.
*
* @dataField inputName | String | Name of the input
*
* @eventType InputRemoved
* @eventSubscription Inputs
* @complexity 2
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputRemoved(obs_source_t *source)
{
json eventData;
eventData["inputName"] = obs_source_get_name(source);
BroadcastEvent(EventSubscription::Inputs, "InputRemoved", eventData);
}
/**
* The name of an input has changed.
*
* @dataField oldInputName | String | Old name of the input
* @dataField inputName | String | New name of the input
*
* @eventType InputNameChanged
* @eventSubscription Inputs
* @complexity 2
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputNameChanged(obs_source_t *, std::string oldInputName, std::string inputName)
{
json eventData;
eventData["oldInputName"] = oldInputName;
eventData["inputName"] = inputName;
BroadcastEvent(EventSubscription::Inputs, "InputNameChanged", eventData);
}
/**
* An input's active state has changed.
*
* When an input is active, it means it's being shown by the program feed.
*
* @dataField inputName | String | Name of the input
* @dataField videoActive | Boolean | Whether the input is active
*
* @eventType InputActiveStateChanged
* @eventSubscription InputActiveStateChanged
* @complexity 3
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputActiveStateChanged(void *param, calldata_t *data)
{
auto eventHandler = static_cast<EventHandler *>(param);
if (!eventHandler->_inputActiveStateChangedRef.load())
return;
obs_source_t *source = GetCalldataPointer<obs_source_t>(data, "source");
if (!source)
return;
if (obs_source_get_type(source) != OBS_SOURCE_TYPE_INPUT)
return;
json eventData;
eventData["inputName"] = obs_source_get_name(source);
eventData["videoActive"] = obs_source_active(source);
eventHandler->BroadcastEvent(EventSubscription::InputActiveStateChanged, "InputActiveStateChanged", eventData);
}
/**
* An input's show state has changed.
*
* When an input is showing, it means it's being shown by the preview or a dialog.
*
* @dataField inputName | String | Name of the input
* @dataField videoShowing | Boolean | Whether the input is showing
*
* @eventType InputShowStateChanged
* @eventSubscription InputShowStateChanged
* @complexity 3
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputShowStateChanged(void *param, calldata_t *data)
{
auto eventHandler = static_cast<EventHandler *>(param);
if (!eventHandler->_inputShowStateChangedRef.load())
return;
obs_source_t *source = GetCalldataPointer<obs_source_t>(data, "source");
if (!source)
return;
if (obs_source_get_type(source) != OBS_SOURCE_TYPE_INPUT)
return;
json eventData;
eventData["inputName"] = obs_source_get_name(source);
eventData["videoShowing"] = obs_source_showing(source);
eventHandler->BroadcastEvent(EventSubscription::InputShowStateChanged, "InputShowStateChanged", eventData);
}
/**
* An input's mute state has changed.
*
* @dataField inputName | String | Name of the input
* @dataField inputMuted | Boolean | Whether the input is muted
*
* @eventType InputMuteStateChanged
* @eventSubscription Inputs
* @complexity 2
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputMuteStateChanged(void *param, calldata_t *data)
{
auto eventHandler = static_cast<EventHandler *>(param);
obs_source_t *source = GetCalldataPointer<obs_source_t>(data, "source");
if (!source)
return;
if (obs_source_get_type(source) != OBS_SOURCE_TYPE_INPUT)
return;
json eventData;
eventData["inputName"] = obs_source_get_name(source);
eventData["inputMuted"] = obs_source_muted(source);
eventHandler->BroadcastEvent(EventSubscription::Inputs, "InputMuteStateChanged", eventData);
}
/**
* An input's volume level has changed.
*
* @dataField inputName | String | Name of the input
* @dataField inputVolumeMul | Number | New volume level multiplier
* @dataField inputVolumeDb | Number | New volume level in dB
*
* @eventType InputVolumeChanged
* @eventSubscription Inputs
* @complexity 3
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputVolumeChanged(void *param, calldata_t *data)
{
auto eventHandler = static_cast<EventHandler *>(param);
obs_source_t *source = GetCalldataPointer<obs_source_t>(data, "source");
if (!source)
return;
if (obs_source_get_type(source) != OBS_SOURCE_TYPE_INPUT)
return;
// Volume must be grabbed from the calldata. Running obs_source_get_volume() will return the previous value.
double inputVolumeMul = calldata_float(data, "volume");
double inputVolumeDb = obs_mul_to_db((float)inputVolumeMul);
if (inputVolumeDb == -INFINITY)
inputVolumeDb = -100;
json eventData;
eventData["inputName"] = obs_source_get_name(source);
eventData["inputVolumeMul"] = inputVolumeMul;
eventData["inputVolumeDb"] = inputVolumeDb;
eventHandler->BroadcastEvent(EventSubscription::Inputs, "InputVolumeChanged", eventData);
}
/**
* The audio balance value of an input has changed.
*
* @dataField inputName | String | Name of the affected input
* @dataField inputAudioBalance | Number | New audio balance value of the input
*
* @eventType InputAudioBalanceChanged
* @eventSubscription Inputs
* @complexity 2
* @rpcVersion -1
* @initialVersion 5.0.0
* @category inputs
* @api events
*/
void EventHandler::HandleInputAudioBalanceChanged(void *param, calldata_t *data)
{
auto eventHandler = static_cast<EventHandler *>(param);
obs_source_t *source = GetCalldataPointer<obs_source_t>(data, "source");
if (!source)
return;
if (obs_source_get_type(source) != OBS_SOURCE_TYPE_INPUT)
return;
float inputAudioBalance = (float)calldata_float(data, "balance");
json eventData;
eventData["inputName"] = obs_source_get_name(source);
eventData["inputAudioBalance"] = inputAudioBalance;
eventHandler->BroadcastEvent(EventSubscription::Inputs, "InputAudioBalanceChanged", eventData);
}
/**
* The sync offset of an input has changed.
*
* @dataField inputName | String | Name of the input
* @dataField inputAudioSyncOffset | Number | New sync offset in milliseconds
*
* @eventType InputAudioSyncOffsetChanged
* @eventSubscription Inputs
* @complexity 3
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputAudioSyncOffsetChanged(void *param, calldata_t *data)
{
auto eventHandler = static_cast<EventHandler *>(param);
obs_source_t *source = GetCalldataPointer<obs_source_t>(data, "source");
if (!source)
return;
if (obs_source_get_type(source) != OBS_SOURCE_TYPE_INPUT)
return;
long long inputAudioSyncOffset = calldata_int(data, "offset");
json eventData;
eventData["inputName"] = obs_source_get_name(source);
eventData["inputAudioSyncOffset"] = inputAudioSyncOffset / 1000000;
eventHandler->BroadcastEvent(EventSubscription::Inputs, "InputAudioSyncOffsetChanged", eventData);
}
/**
* The audio tracks of an input have changed.
*
* @dataField inputName | String | Name of the input
* @dataField inputAudioTracks | Object | Object of audio tracks along with their associated enable states
*
* @eventType InputAudioTracksChanged
* @eventSubscription Inputs
* @complexity 3
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputAudioTracksChanged(void *param, calldata_t *data)
{
auto eventHandler = static_cast<EventHandler *>(param);
obs_source_t *source = GetCalldataPointer<obs_source_t>(data, "source");
if (!source)
return;
if (obs_source_get_type(source) != OBS_SOURCE_TYPE_INPUT)
return;
long long tracks = calldata_int(data, "mixers");
json inputAudioTracks;
for (long long i = 0; i < MAX_AUDIO_MIXES; i++) {
inputAudioTracks[std::to_string(i + 1)] = (bool)((tracks >> i) & 1);
}
json eventData;
eventData["inputName"] = obs_source_get_name(source);
eventData["inputAudioTracks"] = inputAudioTracks;
eventHandler->BroadcastEvent(EventSubscription::Inputs, "InputAudioTracksChanged", eventData);
}
/**
* The monitor type of an input has changed.
*
* Available types are:
*
* - `OBS_MONITORING_TYPE_NONE`
* - `OBS_MONITORING_TYPE_MONITOR_ONLY`
* - `OBS_MONITORING_TYPE_MONITOR_AND_OUTPUT`
*
* @dataField inputName | String | Name of the input
* @dataField monitorType | String | New monitor type of the input
*
* @eventType InputAudioMonitorTypeChanged
* @eventSubscription Inputs
* @complexity 2
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputAudioMonitorTypeChanged(void *param, calldata_t *data)
{
auto eventHandler = static_cast<EventHandler *>(param);
obs_source_t *source = GetCalldataPointer<obs_source_t>(data, "source");
if (!source)
return;
if (obs_source_get_type(source) != OBS_SOURCE_TYPE_INPUT)
return;
enum obs_monitoring_type monitorType = (obs_monitoring_type)calldata_int(data, "type");
json eventData;
eventData["inputName"] = obs_source_get_name(source);
eventData["monitorType"] = monitorType;
eventHandler->BroadcastEvent(EventSubscription::Inputs, "InputAudioMonitorTypeChanged", eventData);
}
/**
* A high-volume event providing volume levels of all active inputs every 50 milliseconds.
*
* @dataField inputs | Array<Object> | Array of active inputs with their associated volume levels
*
* @eventType InputVolumeMeters
* @eventSubscription InputVolumeMeters
* @complexity 4
* @rpcVersion -1
* @initialVersion 5.0.0
* @api events
* @category inputs
*/
void EventHandler::HandleInputVolumeMeters(std::vector<json> inputs)
{
json eventData;
eventData["inputs"] = inputs;
BroadcastEvent(EventSubscription::InputVolumeMeters, "InputVolumeMeters", eventData);
}