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[Linux] Dynamically find device sink name (#108)

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* [Linux] Dynamically find device sink name

* Logging

* WIP

* List cards instead
This commit is contained in:
Tim Gromeyer
2025-04-25 19:49:36 +02:00
committed by GitHub
parent 1571c6d300
commit 96e7a81e46
2 changed files with 52 additions and 6 deletions
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56
linux/mediacontroller.cpp
View File

@@ -184,8 +184,8 @@ void MediaController::handleConversationalAwareness(const QByteArray &data) {
}
void MediaController::activateA2dpProfile() {
if (connectedDeviceMacAddress.isEmpty()) {
LOG_WARN("Connected device MAC address is empty, cannot activate A2DP profile");
if (connectedDeviceMacAddress.isEmpty() || m_deviceOutputName.isEmpty()) {
LOG_WARN("Connected device MAC address or output name is empty, cannot activate A2DP profile");
return;
}
@@ -193,15 +193,15 @@ void MediaController::activateA2dpProfile() {
int result = QProcess::execute(
"pactl", QStringList()
<< "set-card-profile"
<< "bluez_card." + connectedDeviceMacAddress << "a2dp-sink");
<< m_deviceOutputName << "a2dp-sink");
if (result != 0) {
LOG_ERROR("Failed to activate A2DP profile");
}
}
void MediaController::removeAudioOutputDevice() {
if (connectedDeviceMacAddress.isEmpty()) {
LOG_WARN("Connected device MAC address is empty, cannot remove audio output device");
if (connectedDeviceMacAddress.isEmpty() || m_deviceOutputName.isEmpty()) {
LOG_WARN("Connected device MAC address or output name is empty, cannot remove audio output device");
return;
}
@@ -209,7 +209,7 @@ void MediaController::removeAudioOutputDevice() {
int result = QProcess::execute(
"pactl", QStringList()
<< "set-card-profile"
<< "bluez_card." + connectedDeviceMacAddress << "off");
<< m_deviceOutputName << "off");
if (result != 0) {
LOG_ERROR("Failed to remove AirPods as audio output device");
}
@@ -217,6 +217,8 @@ void MediaController::removeAudioOutputDevice() {
void MediaController::setConnectedDeviceMacAddress(const QString &macAddress) {
connectedDeviceMacAddress = macAddress;
m_deviceOutputName = getAudioDeviceName();
LOG_INFO("Device output name set to: " << m_deviceOutputName);
}
MediaController::MediaState MediaController::mediaStateFromPlayerctlOutput(
@@ -252,4 +254,46 @@ MediaController::~MediaController() {
playerctlProcess->waitForFinished(1000);
}
}
}
QString MediaController::getAudioDeviceName()
{
if (connectedDeviceMacAddress.isEmpty()) { return QString(); }
// Set up QProcess to run pactl directly
QProcess process;
process.start("pactl", QStringList() << "list" << "cards" << "short");
if (!process.waitForFinished(3000)) // Timeout after 3 seconds
{
LOG_ERROR("pactl command failed or timed out: " << process.errorString());
return QString();
}
// Check for execution errors
if (process.exitCode() != 0)
{
LOG_ERROR("pactl exited with error code: " << process.exitCode());
return QString();
}
// Read and parse the command output
QString output = process.readAllStandardOutput();
QStringList lines = output.split("\n", Qt::SkipEmptyParts);
// Iterate through each line to find a matching Bluetooth sink
for (const QString &line : lines)
{
QStringList fields = line.split("\t", Qt::SkipEmptyParts);
if (fields.size() < 2) { continue; }
QString sinkName = fields[1].trimmed();
if (sinkName.startsWith("bluez") && sinkName.contains(connectedDeviceMacAddress))
{
return sinkName;
}
}
// No matching sink found
LOG_ERROR("No matching Bluetooth sink found for MAC address: " << connectedDeviceMacAddress);
return QString();
}

2
linux/mediacontroller.h
View File

@@ -47,6 +47,7 @@ Q_SIGNALS:
private:
MediaState mediaStateFromPlayerctlOutput(const QString &output);
QString getAudioDeviceName();
QDBusInterface *mprisInterface = nullptr;
QProcess *playerctlProcess = nullptr;
@@ -54,6 +55,7 @@ private:
int initialVolume = -1;
QString connectedDeviceMacAddress;
EarDetectionBehavior earDetectionBehavior = PauseWhenOneRemoved;
QString m_deviceOutputName;
};
#endif // MEDIACONTROLLER_H