cec: added VolumeUp()/cec_volume_up(), VolumeDown()/cec_volume_down(), MuteAudio...

[deb_libcec.git] / src / lib / devices / CECAudioSystem.cpp

diff --git a/src/lib/devices/CECAudioSystem.cpp b/src/lib/devices/CECAudioSystem.cpp
index 11965440f037dbf581ced33b692f07545d4d809e..4a4f11fbe2434a898df529176772f57749f5c0f3 100644 (file)
--- a/src/lib/devices/CECAudioSystem.cpp
+++ b/src/lib/devices/CECAudioSystem.cpp
@@ -108,3 +108,36 @@ bool CCECAudioSystem::TransmitSystemAudioModeStatus(cec_logical_address dest)
 
   return m_processor->Transmit(command);
 }
+
+uint8_t CCECAudioSystem::VolumeUp(void)
+{
+  return SendKey(CEC_USER_CONTROL_CODE_VOLUME_UP);
+}
+
+uint8_t CCECAudioSystem::VolumeDown(void)
+{
+  return SendKey(CEC_USER_CONTROL_CODE_VOLUME_DOWN);
+}
+
+uint8_t CCECAudioSystem::MuteAudio(void)
+{
+  return SendKey(CEC_USER_CONTROL_CODE_MUTE);
+}
+
+uint8_t CCECAudioSystem::SendKey(cec_user_control_code key)
+{
+  {
+    CLockObject lock(&m_transmitMutex);
+    cec_command command;
+    cec_command::Format(command, m_processor->GetLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_USER_CONTROL_PRESSED);
+    command.parameters.PushBack(key);
+    m_processor->Transmit(command);
+
+    cec_command::Format(command, m_processor->GetLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_USER_CONTROL_RELEASE);
+    if (m_processor->Transmit(command))
+      m_condition.Wait(&m_transmitMutex, 1000);
+  }
+
+  CLockObject lock(&m_mutex);
+  return m_audioStatus;
+}