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-rw-r--r--sound/mixer.cpp83
1 files changed, 43 insertions, 40 deletions
diff --git a/sound/mixer.cpp b/sound/mixer.cpp
index fc5b21cf32..27e031f108 100644
--- a/sound/mixer.cpp
+++ b/sound/mixer.cpp
@@ -27,7 +27,7 @@
#include "common/util.h"
#include "common/system.h"
-#include "sound/mixer.h"
+#include "sound/mixer_intern.h"
#include "sound/rate.h"
#include "sound/audiostream.h"
@@ -103,32 +103,38 @@ public:
#pragma mark -
-Mixer::Mixer() {
- _syst = g_system;
+MixerImpl::MixerImpl(OSystem *system)
+ : _syst(system), _sampleRate(0), _mixerReady(false), _handleSeed(0) {
- _handleSeed = 0;
-
- int i = 0;
+ int i;
for (i = 0; i < ARRAYSIZE(_volumeForSoundType); i++)
_volumeForSoundType[i] = kMaxMixerVolume;
for (i = 0; i != NUM_CHANNELS; i++)
_channels[i] = 0;
-
- _mixerReady = false;
}
-Mixer::~Mixer() {
+MixerImpl::~MixerImpl() {
for (int i = 0; i != NUM_CHANNELS; i++)
delete _channels[i];
}
-uint Mixer::getOutputRate() const {
- return (uint)_syst->getOutputSampleRate();
+void MixerImpl::setReady(bool ready) {
+ _mixerReady = ready;
+}
+
+uint MixerImpl::getOutputRate() const {
+ return _sampleRate;
+}
+
+void MixerImpl::setOutputRate(uint sampleRate) {
+ if (_sampleRate != 0 && _sampleRate != sampleRate)
+ error("Changing the Audio::Mixer output sample rate is not supported");
+ _sampleRate = sampleRate;
}
-void Mixer::insertChannel(SoundHandle *handle, Channel *chan) {
+void MixerImpl::insertChannel(SoundHandle *handle, Channel *chan) {
int index = -1;
for (int i = 0; i != NUM_CHANNELS; i++) {
@@ -138,7 +144,7 @@ void Mixer::insertChannel(SoundHandle *handle, Channel *chan) {
}
}
if (index == -1) {
- warning("Mixer::out of mixer slots");
+ warning("MixerImpl::out of mixer slots");
delete chan;
return;
}
@@ -151,7 +157,7 @@ void Mixer::insertChannel(SoundHandle *handle, Channel *chan) {
}
}
-void Mixer::playRaw(
+void MixerImpl::playRaw(
SoundType type,
SoundHandle *handle,
void *sound,
@@ -166,7 +172,7 @@ void Mixer::playRaw(
playInputStream(type, handle, input, id, volume, balance, true, false, ((flags & Mixer::FLAG_REVERSE_STEREO) != 0));
}
-void Mixer::playInputStream(
+void MixerImpl::playInputStream(
SoundType type,
SoundHandle *handle,
AudioStream *input,
@@ -198,8 +204,13 @@ void Mixer::playInputStream(
insertChannel(handle, chan);
}
-void Mixer::mix(int16 *buf, uint len) {
+void MixerImpl::mixCallback(byte *samples, uint len) {
+ assert(samples);
+
Common::StackLock lock(_mutex);
+
+ int16 *buf = (int16 *)samples;
+ len >>= 2;
// Since the mixer callback has been called, the mixer must be ready...
_mixerReady = true;
@@ -218,15 +229,7 @@ void Mixer::mix(int16 *buf, uint len) {
}
}
-void Mixer::mixCallback(void *s, byte *samples, int len) {
- assert(s);
- assert(samples);
- // Len is the number of bytes in the buffer; we divide it by
- // four to get the number of samples (stereo 16 bit).
- ((Mixer *)s)->mix((int16 *)samples, len >> 2);
-}
-
-void Mixer::stopAll() {
+void MixerImpl::stopAll() {
Common::StackLock lock(_mutex);
for (int i = 0; i != NUM_CHANNELS; i++) {
if (_channels[i] != 0 && !_channels[i]->isPermanent()) {
@@ -236,7 +239,7 @@ void Mixer::stopAll() {
}
}
-void Mixer::stopID(int id) {
+void MixerImpl::stopID(int id) {
Common::StackLock lock(_mutex);
for (int i = 0; i != NUM_CHANNELS; i++) {
if (_channels[i] != 0 && _channels[i]->getId() == id) {
@@ -246,7 +249,7 @@ void Mixer::stopID(int id) {
}
}
-void Mixer::stopHandle(SoundHandle handle) {
+void MixerImpl::stopHandle(SoundHandle handle) {
Common::StackLock lock(_mutex);
// Simply ignore stop requests for handles of sounds that already terminated
@@ -258,7 +261,7 @@ void Mixer::stopHandle(SoundHandle handle) {
_channels[index] = 0;
}
-void Mixer::setChannelVolume(SoundHandle handle, byte volume) {
+void MixerImpl::setChannelVolume(SoundHandle handle, byte volume) {
Common::StackLock lock(_mutex);
const int index = handle._val % NUM_CHANNELS;
@@ -268,7 +271,7 @@ void Mixer::setChannelVolume(SoundHandle handle, byte volume) {
_channels[index]->setVolume(volume);
}
-void Mixer::setChannelBalance(SoundHandle handle, int8 balance) {
+void MixerImpl::setChannelBalance(SoundHandle handle, int8 balance) {
Common::StackLock lock(_mutex);
const int index = handle._val % NUM_CHANNELS;
@@ -278,7 +281,7 @@ void Mixer::setChannelBalance(SoundHandle handle, int8 balance) {
_channels[index]->setBalance(balance);
}
-uint32 Mixer::getSoundElapsedTime(SoundHandle handle) {
+uint32 MixerImpl::getSoundElapsedTime(SoundHandle handle) {
Common::StackLock lock(_mutex);
const int index = handle._val % NUM_CHANNELS;
@@ -288,7 +291,7 @@ uint32 Mixer::getSoundElapsedTime(SoundHandle handle) {
return _channels[index]->getElapsedTime();
}
-void Mixer::pauseAll(bool paused) {
+void MixerImpl::pauseAll(bool paused) {
Common::StackLock lock(_mutex);
for (int i = 0; i != NUM_CHANNELS; i++) {
if (_channels[i] != 0) {
@@ -297,7 +300,7 @@ void Mixer::pauseAll(bool paused) {
}
}
-void Mixer::pauseID(int id, bool paused) {
+void MixerImpl::pauseID(int id, bool paused) {
Common::StackLock lock(_mutex);
for (int i = 0; i != NUM_CHANNELS; i++) {
if (_channels[i] != 0 && _channels[i]->getId() == id) {
@@ -307,7 +310,7 @@ void Mixer::pauseID(int id, bool paused) {
}
}
-void Mixer::pauseHandle(SoundHandle handle, bool paused) {
+void MixerImpl::pauseHandle(SoundHandle handle, bool paused) {
Common::StackLock lock(_mutex);
// Simply ignore (un)pause requests for sounds that already terminated
@@ -318,7 +321,7 @@ void Mixer::pauseHandle(SoundHandle handle, bool paused) {
_channels[index]->pause(paused);
}
-bool Mixer::isSoundIDActive(int id) {
+bool MixerImpl::isSoundIDActive(int id) {
Common::StackLock lock(_mutex);
for (int i = 0; i != NUM_CHANNELS; i++)
if (_channels[i] && _channels[i]->getId() == id)
@@ -326,7 +329,7 @@ bool Mixer::isSoundIDActive(int id) {
return false;
}
-int Mixer::getSoundID(SoundHandle handle) {
+int MixerImpl::getSoundID(SoundHandle handle) {
Common::StackLock lock(_mutex);
const int index = handle._val % NUM_CHANNELS;
if (_channels[index] && _channels[index]->_handle._val == handle._val)
@@ -334,13 +337,13 @@ int Mixer::getSoundID(SoundHandle handle) {
return 0;
}
-bool Mixer::isSoundHandleActive(SoundHandle handle) {
+bool MixerImpl::isSoundHandleActive(SoundHandle handle) {
Common::StackLock lock(_mutex);
const int index = handle._val % NUM_CHANNELS;
return _channels[index] && _channels[index]->_handle._val == handle._val;
}
-bool Mixer::hasActiveChannelOfType(SoundType type) {
+bool MixerImpl::hasActiveChannelOfType(SoundType type) {
Common::StackLock lock(_mutex);
for (int i = 0; i != NUM_CHANNELS; i++)
if (_channels[i] && _channels[i]->_type == type)
@@ -348,7 +351,7 @@ bool Mixer::hasActiveChannelOfType(SoundType type) {
return false;
}
-void Mixer::setVolumeForSoundType(SoundType type, int volume) {
+void MixerImpl::setVolumeForSoundType(SoundType type, int volume) {
assert(0 <= type && type < ARRAYSIZE(_volumeForSoundType));
// Check range
@@ -363,7 +366,7 @@ void Mixer::setVolumeForSoundType(SoundType type, int volume) {
_volumeForSoundType[type] = volume;
}
-int Mixer::getVolumeForSoundType(SoundType type) const {
+int MixerImpl::getVolumeForSoundType(SoundType type) const {
assert(0 <= type && type < ARRAYSIZE(_volumeForSoundType));
return _volumeForSoundType[type];
@@ -443,7 +446,7 @@ uint32 Channel::getElapsedTime() {
// Convert the number of samples into a time duration. To avoid
// overflow, this has to be done in a somewhat non-obvious way.
- uint rate = _mixer->getOutputRate();
+ uint32 rate = _mixer->getOutputRate();
uint32 seconds = _samplesConsumed / rate;
uint32 milliseconds = (1000 * (_samplesConsumed % rate)) / rate;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 21:01:00 +0000