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-rw-r--r--audio/mixer.cpp38
-rw-r--r--audio/mixer.h16
-rw-r--r--audio/mixer_intern.h2
3 files changed, 56 insertions, 0 deletions
diff --git a/audio/mixer.cpp b/audio/mixer.cpp
index fb4fffb8d8..128224ae85 100644
--- a/audio/mixer.cpp
+++ b/audio/mixer.cpp
@@ -94,6 +94,13 @@ public:
void setVolume(const byte volume);
/**
+ * Gets the channel's own volume.
+ *
+ * @return volume
+ */
+ byte getVolume();
+
+ /**
* Sets the channel's balance setting.
*
* @param balance new balance
@@ -101,6 +108,13 @@ public:
void setBalance(const int8 balance);
/**
+ * Gets the channel's balance setting.
+ *
+ * @return balance
+ */
+ int8 getBalance();
+
+ /**
* Notifies the channel that the global sound type
* volume settings changed.
*/
@@ -342,6 +356,14 @@ void MixerImpl::setChannelVolume(SoundHandle handle, byte volume) {
_channels[index]->setVolume(volume);
}
+byte MixerImpl::getChannelVolume(SoundHandle handle) {
+ const int index = handle._val % NUM_CHANNELS;
+ if (!_channels[index] || _channels[index]->getHandle()._val != handle._val)
+ return 0;
+
+ return _channels[index]->getVolume();
+}
+
void MixerImpl::setChannelBalance(SoundHandle handle, int8 balance) {
Common::StackLock lock(_mutex);
@@ -352,6 +374,14 @@ void MixerImpl::setChannelBalance(SoundHandle handle, int8 balance) {
_channels[index]->setBalance(balance);
}
+int8 MixerImpl::getChannelBalance(SoundHandle handle) {
+ const int index = handle._val % NUM_CHANNELS;
+ if (!_channels[index] || _channels[index]->getHandle()._val != handle._val)
+ return 0;
+
+ return _channels[index]->getBalance();
+}
+
uint32 MixerImpl::getSoundElapsedTime(SoundHandle handle) {
return getElapsedTime(handle).msecs();
}
@@ -482,11 +512,19 @@ void Channel::setVolume(const byte volume) {
updateChannelVolumes();
}
+byte Channel::getVolume() {
+ return _volume;
+}
+
void Channel::setBalance(const int8 balance) {
_balance = balance;
updateChannelVolumes();
}
+int8 Channel::getBalance() {
+ return _balance;
+}
+
void Channel::updateChannelVolumes() {
// From the channel balance/volume and the global volume, we compute
// the effective volume for the left and right channel. Note the
diff --git a/audio/mixer.h b/audio/mixer.h
index 1fbe265488..de709e13fe 100644
--- a/audio/mixer.h
+++ b/audio/mixer.h
@@ -211,6 +211,14 @@ public:
virtual void setChannelVolume(SoundHandle handle, byte volume) = 0;
/**
+ * Get the channel volume for the given handle.
+ *
+ * @param handle the sound to affect
+ * @return channel volume
+ */
+ virtual byte getChannelVolume(SoundHandle handle) = 0;
+
+ /**
* Set the channel balance for the given handle.
*
* @param handle the sound to affect
@@ -220,6 +228,14 @@ public:
virtual void setChannelBalance(SoundHandle handle, int8 balance) = 0;
/**
+ * Get the channel balance for the given handle.
+ *
+ * @param handle the sound to affect
+ * @return channel balance
+ */
+ virtual int8 getChannelBalance(SoundHandle handle) = 0;
+
+ /**
* Get approximation of for how long the channel has been playing.
*/
virtual uint32 getSoundElapsedTime(SoundHandle handle) = 0;
diff --git a/audio/mixer_intern.h b/audio/mixer_intern.h
index a04eb55c5b..dc361ce560 100644
--- a/audio/mixer_intern.h
+++ b/audio/mixer_intern.h
@@ -105,7 +105,9 @@ public:
virtual bool isSoundTypeMuted(SoundType type) const;
virtual void setChannelVolume(SoundHandle handle, byte volume);
+ virtual byte getChannelVolume(SoundHandle handle);
virtual void setChannelBalance(SoundHandle handle, int8 balance);
+ virtual int8 getChannelBalance(SoundHandle handle);
virtual uint32 getSoundElapsedTime(SoundHandle handle);
virtual Timestamp getElapsedTime(SoundHandle handle);