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Add base implementation of configurable audio ports extension #64

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merged 5 commits into from
Jun 18, 2024
Merged

Add base implementation of configurable audio ports extension #64

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726b664
Add base implementation of configurable audio ports extension
Schroedingers-Cat May 6, 2024
3233704
Remove ensureClapAudioPortConfigurationRequestIsValid
Schroedingers-Cat Jun 17, 2024
8507079
Use correct name
Schroedingers-Cat Jun 17, 2024
fe1d73c
Add ensureIsActive
Schroedingers-Cat Jun 17, 2024
cccc104
Rewrite applyConfiguration check
Schroedingers-Cat Jun 17, 2024
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28 changes: 28 additions & 0 deletions include/clap/helpers/plugin.hh
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,19 @@ namespace clap { namespace helpers {
return false;
}

//--------------------------------------//
// clap_plugin_configurable_audio_ports //
//--------------------------------------//
virtual bool implementsConfigurableAudioPorts() const noexcept { return false; }
virtual bool configurableAudioPortsCanApplyConfiguration(const clap_audio_port_configuration_request *requests,
uint32_t request_count) const noexcept {
return false;
}
virtual bool configurableAudioPortsApplyConfiguration(const clap_audio_port_configuration_request *requests,
uint32_t request_count) noexcept {
return false;
}

//--------------------//
// clap_plugin_params //
//--------------------//
Expand Down Expand Up @@ -315,6 +328,12 @@ namespace clap { namespace helpers {
void ensureAudioThread(const char *method) const noexcept;
void ensureParamThread(const char *method) const noexcept;

////////////////////
// General Checks //
////////////////////
void ensureIsInactive(const char *methodName) const noexcept;
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void ensureIsActive(const char *methodName) const noexcept;

///////////////
// Utilities //
///////////////
Expand Down Expand Up @@ -427,6 +446,14 @@ namespace clap { namespace helpers {
bool is_active,
uint32_t sample_size) noexcept;

// clap_plugin_configurable_audio_ports
static bool clapConfigurableAudioPortsCanApplyConfiguration(const clap_plugin_t *plugin,
const clap_audio_port_configuration_request *requests,
uint32_t request_count) noexcept;
static bool clapConfigurableAudioPortsApplyConfiguration(const clap_plugin_t *plugin,
const clap_audio_port_configuration_request *requests,
uint32_t request_count) noexcept;

// clap_plugin_params
static uint32_t clapParamsCount(const clap_plugin *plugin) noexcept;
static bool clapParamsInfo(const clap_plugin *plugin,
Expand Down Expand Up @@ -552,6 +579,7 @@ namespace clap { namespace helpers {
static const clap_plugin_audio_ports _pluginAudioPorts;
static const clap_plugin_audio_ports_config _pluginAudioPortsConfig;
static const clap_plugin_audio_ports_activation _pluginAudioPortsActivation;
static const clap_plugin_configurable_audio_ports _pluginConfigurableAudioPorts;
static const clap_plugin_gui _pluginGui;
static const clap_plugin_latency _pluginLatency;
static const clap_plugin_note_name _pluginNoteName;
Expand Down
84 changes: 84 additions & 0 deletions include/clap/helpers/plugin.hxx
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,13 @@ namespace clap { namespace helpers {
clapAudioPortsActivationSetActive,
};

template <MisbehaviourHandler h, CheckingLevel l>
const clap_plugin_configurable_audio_ports Plugin<h, l>::_pluginConfigurableAudioPorts = {
clapConfigurableAudioPortsCanApplyConfiguration,
clapConfigurableAudioPortsApplyConfiguration,
};


template <MisbehaviourHandler h, CheckingLevel l>
const clap_plugin_params Plugin<h, l>::_pluginParams = {
clapParamsCount,
Expand Down Expand Up @@ -472,6 +479,8 @@ namespace clap { namespace helpers {
return &_pluginAudioPortsActivation;
if (!strcmp(id, CLAP_EXT_AUDIO_PORTS_CONFIG) && self.implementsAudioPortsConfig())
return &_pluginAudioPortsConfig;
if (!strcmp(id, CLAP_EXT_CONFIGURABLE_AUDIO_PORTS) && self.implementsConfigurableAudioPorts())
return &_pluginConfigurableAudioPorts;
if (!strcmp(id, CLAP_EXT_PARAMS) && self.implementsParams())
return &_pluginParams;
if ((!strcmp(id, CLAP_EXT_PARAM_INDICATION) ||
Expand Down Expand Up @@ -791,6 +800,52 @@ namespace clap { namespace helpers {
return self.paramsCount();
}

//--------------------------------------//
// clap_plugin_configurable_audio_ports //
//--------------------------------------//

template <MisbehaviourHandler h, CheckingLevel l>
bool Plugin<h, l>::clapConfigurableAudioPortsCanApplyConfiguration(
const clap_plugin_t *plugin,
const clap_audio_port_configuration_request *requests,
uint32_t request_count) noexcept {
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auto &self = from(plugin);
auto methodName = "clap_plugin_configurable_audio_ports.can_apply_configuration";
self.ensureMainThread(methodName);
self.ensureIsInactive(methodName);

return self.configurableAudioPortsCanApplyConfiguration(requests, request_count);
}

template <MisbehaviourHandler h, CheckingLevel l>
bool Plugin<h, l>::clapConfigurableAudioPortsApplyConfiguration(
const clap_plugin_t *plugin,
const clap_audio_port_configuration_request *requests,
uint32_t request_count) noexcept {
auto &self = from(plugin);
auto methodName = "clap_plugin_configurable_audio_ports.apply_configuration";
self.ensureMainThread(methodName);
self.ensureIsInactive(methodName);

bool canApplyConfiguration;
if (l >= CheckingLevel::Minimal) {
canApplyConfiguration =
self.configurableAudioPortsCanApplyConfiguration(requests, request_count);
}

bool applyConfigurationSuccess =
self.configurableAudioPortsApplyConfiguration(requests, request_count);

if (l >= CheckingLevel::Minimal && canApplyConfiguration != applyConfigurationSuccess) {
self._host.pluginMisbehaving(
"Plugin's functions clap_plugin_configurable_audio_ports.can_apply_configuration and "
"clap_plugin_configurable_audio_ports.apply_configuration returned different values "
"for the same configuration.");
}

return applyConfigurationSuccess;
}

//--------------------//
// clap_plugin_params //
//--------------------//
Expand Down Expand Up @@ -1793,6 +1848,35 @@ namespace clap { namespace helpers {
hostMisbehaving(msg.str());
}

////////////////////
// General Checks //
////////////////////
template <MisbehaviourHandler h, CheckingLevel l>
void Plugin<h, l>::ensureIsInactive(const char *methodName) const noexcept {
if (l == CheckingLevel::None)
return;

if (!isActive())
return;

std::ostringstream msg;
msg << "it is illegal to call " << methodName << "() while the plugin is active!";
hostMisbehaving(msg.str());
}

template <MisbehaviourHandler h, CheckingLevel l>
void Plugin<h, l>::ensureIsActive(const char *methodName) const noexcept {
if (l == CheckingLevel::None)
return;

if (isActive())
return;

std::ostringstream msg;
msg << "it is illegal to call " << methodName << "() while the plugin is not active!";
hostMisbehaving(msg.str());
}

///////////////
// Utilities //
///////////////
Expand Down
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