311 lines
10 KiB
C++
311 lines
10 KiB
C++
#pragma once
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#include "adapters/alsa.hpp"
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#include "components/config.hpp"
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#include "config.hpp"
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#include "drawtypes/label.hpp"
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#include "drawtypes/progressbar.hpp"
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#include "drawtypes/ramp.hpp"
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#include "modules/meta.hpp"
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LEMONBUDDY_NS
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namespace modules {
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enum class mixer { NONE = 0, MASTER, SPEAKER, HEADPHONE };
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enum class control { NONE = 0, HEADPHONE };
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using mixer_t = shared_ptr<alsa_mixer>;
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using control_t = shared_ptr<alsa_ctl_interface>;
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class volume_module : public event_module<volume_module> {
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public:
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using event_module::event_module;
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void setup() {
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// Load configuration values {{{
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auto master_mixer = m_conf.get<string>(name(), "master-mixer", "Master");
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auto speaker_mixer = m_conf.get<string>(name(), "speaker-mixer", "");
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auto headphone_mixer = m_conf.get<string>(name(), "headphone-mixer", "");
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GET_CONFIG_VALUE(name(), m_headphoneid, "headphone-id");
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if (!headphone_mixer.empty() && m_headphoneid == -1)
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throw module_error(
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"volume_module: Missing required property value for \"headphone-id\"...");
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else if (headphone_mixer.empty() && m_headphoneid != -1)
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throw module_error(
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"volume_module: Missing required property value for \"headphone-mixer\"...");
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if (string_util::lower(speaker_mixer) == "master")
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throw module_error(
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"volume_module: The \"Master\" mixer is already processed internally. Specify another "
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"mixer or comment out the \"speaker-mixer\" parameter...");
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if (string_util::lower(headphone_mixer) == "master")
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throw module_error(
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"volume_module: The \"Master\" mixer is already processed internally. Specify another "
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"mixer or comment out the \"headphone-mixer\" parameter...");
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// }}}
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// Setup mixers {{{
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auto create_mixer = [this](string mixer_name) {
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try {
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return mixer_t{new mixer_t::element_type{mixer_name}};
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} catch (const alsa_mixer_error& e) {
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m_log.err("%s: Failed to open '%s' mixer => %s", name(), mixer_name, e.what());
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return mixer_t{};
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}
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};
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m_mixers[mixer::MASTER] = create_mixer(master_mixer);
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if (!speaker_mixer.empty())
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m_mixers[mixer::SPEAKER] = create_mixer(speaker_mixer);
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if (!headphone_mixer.empty())
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m_mixers[mixer::HEADPHONE] = create_mixer(headphone_mixer);
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if (m_mixers.empty()) {
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m_log.err("%s: No configured mixers, stopping module...", name());
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stop();
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return;
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}
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if (m_mixers[mixer::HEADPHONE] && m_headphoneid > -1) {
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try {
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m_controls[control::HEADPHONE] = control_t{new control_t::element_type{m_headphoneid}};
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} catch (const alsa_ctl_interface_error& e) {
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m_log.err("%s: Failed to open headphone control interface => %s", name(), e.what());
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m_controls[control::HEADPHONE].reset();
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}
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}
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// }}}
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// Add formats and elements {{{
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m_formatter->add(
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FORMAT_VOLUME, TAG_LABEL_VOLUME, {TAG_RAMP_VOLUME, TAG_LABEL_VOLUME, TAG_BAR_VOLUME});
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m_formatter->add(
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FORMAT_MUTED, TAG_LABEL_MUTED, {TAG_RAMP_VOLUME, TAG_LABEL_MUTED, TAG_BAR_VOLUME});
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if (m_formatter->has(TAG_BAR_VOLUME)) {
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m_bar_volume = get_config_bar(m_bar, m_conf, name(), TAG_BAR_VOLUME);
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}
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if (m_formatter->has(TAG_RAMP_VOLUME)) {
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m_ramp_volume = get_config_ramp(m_conf, name(), TAG_RAMP_VOLUME);
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m_ramp_headphones = get_config_ramp(m_conf, name(), TAG_RAMP_HEADPHONES, false);
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}
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if (m_formatter->has(TAG_LABEL_VOLUME, FORMAT_VOLUME)) {
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m_label_volume =
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get_optional_config_label(m_conf, name(), TAG_LABEL_VOLUME, "%percentage%");
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m_label_volume_tokenized = m_label_volume->clone();
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}
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if (m_formatter->has(TAG_LABEL_MUTED, FORMAT_MUTED)) {
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m_label_muted = get_optional_config_label(m_conf, name(), TAG_LABEL_MUTED, "%percentage%");
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m_label_muted_tokenized = m_label_muted->clone();
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}
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// }}}
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}
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void stop() {
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// Deconstruct all mixers before putting the module in its stopped state {{{
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std::lock_guard<threading_util::spin_lock> lck(this->update_lock);
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m_mixers[mixer::MASTER].reset();
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m_mixers[mixer::SPEAKER].reset();
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m_mixers[mixer::HEADPHONE].reset();
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m_controls[control::HEADPHONE].reset();
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event_module::stop();
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// }}}
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}
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bool has_event() {
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// Poll for mixer and control events {{{
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try {
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bool has_event = false;
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if (m_mixers[mixer::MASTER])
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has_event |= m_mixers[mixer::MASTER]->wait(25);
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if (m_mixers[mixer::SPEAKER])
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has_event |= m_mixers[mixer::SPEAKER]->wait(25);
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if (m_mixers[mixer::HEADPHONE])
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has_event |= m_mixers[mixer::HEADPHONE]->wait(25);
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if (m_controls[control::HEADPHONE])
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has_event |= m_controls[control::HEADPHONE]->wait(25);
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return has_event;
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} catch (const alsa_exception& e) {
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m_log.err("%s: %s", name(), e.what());
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return false;
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}
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// }}}
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}
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bool update() {
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// Consume pending events {{{
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if (m_mixers[mixer::MASTER])
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m_mixers[mixer::MASTER]->process_events();
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if (m_mixers[mixer::SPEAKER])
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m_mixers[mixer::SPEAKER]->process_events();
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if (m_mixers[mixer::HEADPHONE])
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m_mixers[mixer::HEADPHONE]->process_events();
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if (m_controls[control::HEADPHONE])
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m_controls[control::HEADPHONE]->wait(0);
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// }}}
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// Get volume, mute and headphone state {{{
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m_volume = 100;
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m_muted = false;
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m_headphones = false;
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if (m_mixers[mixer::MASTER]) {
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m_volume *= m_mixers[mixer::MASTER]->get_volume() / 100.0f;
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m_muted = m_muted || m_mixers[mixer::MASTER]->is_muted();
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}
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if (m_controls[control::HEADPHONE] && m_controls[control::HEADPHONE]->test_device_plugged()) {
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m_headphones = true;
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m_volume *= m_mixers[mixer::HEADPHONE]->get_volume() / 100.0f;
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m_muted = m_muted || m_mixers[mixer::HEADPHONE]->is_muted();
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} else if (m_mixers[mixer::SPEAKER]) {
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m_volume *= m_mixers[mixer::SPEAKER]->get_volume() / 100.0f;
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m_muted = m_muted || m_mixers[mixer::SPEAKER]->is_muted();
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}
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// }}}
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// Replace label tokens {{{
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if (m_label_volume_tokenized) {
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m_label_volume_tokenized->m_text = m_label_volume->m_text;
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m_label_volume_tokenized->replace_token("%percentage%", to_string(m_volume) + "%");
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}
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if (m_label_muted_tokenized) {
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m_label_muted_tokenized->m_text = m_label_muted->m_text;
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m_label_muted_tokenized->replace_token("%percentage%", to_string(m_volume) + "%");
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}
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// }}}
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return true;
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}
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string get_format() {
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return m_muted ? FORMAT_MUTED : FORMAT_VOLUME;
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}
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string get_output() {
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m_builder->cmd(mousebtn::LEFT, EVENT_TOGGLE_MUTE);
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if (!m_muted && m_volume < 100)
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m_builder->cmd(mousebtn::SCROLL_UP, EVENT_VOLUME_UP);
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if (!m_muted && m_volume > 0)
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m_builder->cmd(mousebtn::SCROLL_DOWN, EVENT_VOLUME_DOWN);
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m_builder->node(module::get_output());
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return m_builder->flush();
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}
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bool build(builder* builder, string tag) {
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if (tag == TAG_BAR_VOLUME)
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builder->node(m_bar_volume->output(m_volume));
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else if (tag == TAG_RAMP_VOLUME && (!m_headphones || !*m_ramp_headphones))
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builder->node(m_ramp_volume->get_by_percentage(m_volume));
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else if (tag == TAG_RAMP_VOLUME && m_headphones && *m_ramp_headphones)
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builder->node(m_ramp_headphones->get_by_percentage(m_volume));
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else if (tag == TAG_LABEL_VOLUME)
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builder->node(m_label_volume_tokenized);
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else if (tag == TAG_LABEL_MUTED)
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builder->node(m_label_muted_tokenized);
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else
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return false;
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return true;
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}
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bool handle_event(string cmd) {
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if (cmd.compare(0, 3, EVENT_PREFIX) != 0)
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return false;
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if (!m_mixers[mixer::MASTER])
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return false;
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vector<mixer_t> mixers{m_mixers[mixer::MASTER]};
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if (m_mixers[mixer::HEADPHONE] && m_headphones)
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mixers.emplace_back(m_mixers[mixer::HEADPHONE]);
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else if (m_mixers[mixer::SPEAKER])
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mixers.emplace_back(m_mixers[mixer::SPEAKER]);
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try {
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if (cmd.compare(0, strlen(EVENT_TOGGLE_MUTE), EVENT_TOGGLE_MUTE) == 0) {
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for (auto&& mixer : mixers) {
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mixer->set_mute(m_muted || mixers[0]->is_muted());
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}
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} else if (cmd.compare(0, strlen(EVENT_VOLUME_UP), EVENT_VOLUME_UP) == 0) {
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for (auto&& mixer : mixers) {
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mixer->set_volume(math_util::cap<float>(mixer->get_volume() + 5, 0, 100));
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}
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} else if (cmd.compare(0, strlen(EVENT_VOLUME_DOWN), EVENT_VOLUME_DOWN) == 0) {
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for (auto&& mixer : mixers) {
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mixer->set_volume(math_util::cap<float>(mixer->get_volume() - 5, 0, 100));
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}
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} else {
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return false;
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}
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} catch (const std::exception& err) {
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m_log.err("%s: Failed to handle command (%s)", name(), err.what());
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}
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// Update the mute flag since we won't poll the new state when
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// sending the broadcast related to this event
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m_muted = !m_muted;
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event_handled();
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return true;
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}
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bool receive_events() const {
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return true;
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}
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private:
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static constexpr auto FORMAT_VOLUME = "format-volume";
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static constexpr auto FORMAT_MUTED = "format-muted";
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static constexpr auto TAG_RAMP_VOLUME = "<ramp-volume>";
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static constexpr auto TAG_RAMP_HEADPHONES = "<ramp-headphones>";
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static constexpr auto TAG_BAR_VOLUME = "<bar-volume>";
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static constexpr auto TAG_LABEL_VOLUME = "<label-volume>";
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static constexpr auto TAG_LABEL_MUTED = "<label-muted>";
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static constexpr auto EVENT_PREFIX = "vol";
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static constexpr auto EVENT_VOLUME_UP = "volup";
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static constexpr auto EVENT_VOLUME_DOWN = "voldown";
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static constexpr auto EVENT_TOGGLE_MUTE = "volmute";
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progressbar_t m_bar_volume;
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ramp_t m_ramp_volume;
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ramp_t m_ramp_headphones;
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label_t m_label_volume;
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label_t m_label_volume_tokenized;
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label_t m_label_muted;
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label_t m_label_muted_tokenized;
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map<mixer, mixer_t> m_mixers;
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map<control, control_t> m_controls;
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int m_headphoneid = -1;
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int m_volume = 0;
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stateflag m_muted{false};
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stateflag m_headphones{false};
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};
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}
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LEMONBUDDY_NS_END
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