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Diffstat (limited to 'drivers/rtaudio/audio_driver_rtaudio.cpp')
-rw-r--r--drivers/rtaudio/audio_driver_rtaudio.cpp126
1 files changed, 60 insertions, 66 deletions
diff --git a/drivers/rtaudio/audio_driver_rtaudio.cpp b/drivers/rtaudio/audio_driver_rtaudio.cpp
index 09b81dca4..a7f92d79f 100644
--- a/drivers/rtaudio/audio_driver_rtaudio.cpp
+++ b/drivers/rtaudio/audio_driver_rtaudio.cpp
@@ -33,7 +33,7 @@
#ifdef RTAUDIO_ENABLED
-const char* AudioDriverRtAudio::get_name() const {
+const char *AudioDriverRtAudio::get_name() const {
#ifdef OSX_ENABLED
return "RtAudio-OSX";
@@ -44,10 +44,9 @@ const char* AudioDriverRtAudio::get_name() const {
#else
return "RtAudio-None";
#endif
-
}
-int AudioDriverRtAudio::callback( void *outputBuffer, void *inputBuffer, unsigned int nBufferFrames, double streamTime, RtAudioStreamStatus status, void *userData ) {
+int AudioDriverRtAudio::callback(void *outputBuffer, void *inputBuffer, unsigned int nBufferFrames, double streamTime, RtAudioStreamStatus status, void *userData) {
if (status) {
if (status & RTAUDIO_INPUT_OVERFLOW) {
@@ -57,19 +56,19 @@ int AudioDriverRtAudio::callback( void *outputBuffer, void *inputBuffer, unsigne
WARN_PRINT("RtAudio output underflow!");
}
}
- int32_t *buffer = (int32_t *) outputBuffer;
+ int32_t *buffer = (int32_t *)outputBuffer;
- AudioDriverRtAudio *self = (AudioDriverRtAudio*)userData;
+ AudioDriverRtAudio *self = (AudioDriverRtAudio *)userData;
- if (self->mutex->try_lock()!=OK) {
+ if (self->mutex->try_lock() != OK) {
// what should i do..
- for(unsigned int i=0;i<nBufferFrames;i++)
- buffer[i]=0;
+ for (unsigned int i = 0; i < nBufferFrames; i++)
+ buffer[i] = 0;
return 0;
}
- self->audio_server_process(nBufferFrames,buffer);
+ self->audio_server_process(nBufferFrames, buffer);
self->mutex->unlock();
@@ -78,23 +77,23 @@ int AudioDriverRtAudio::callback( void *outputBuffer, void *inputBuffer, unsigne
Error AudioDriverRtAudio::init() {
- active=false;
- mutex=NULL;
- dac = memnew( RtAudio );
+ active = false;
+ mutex = NULL;
+ dac = memnew(RtAudio);
ERR_EXPLAIN("Cannot initialize RtAudio audio driver: No devices present.")
- ERR_FAIL_COND_V( dac->getDeviceCount() < 1, ERR_UNAVAILABLE );
+ ERR_FAIL_COND_V(dac->getDeviceCount() < 1, ERR_UNAVAILABLE);
- String channels = GLOBAL_DEF("audio/output","stereo");
+ String channels = GLOBAL_DEF("audio/output", "stereo");
- if (channels=="5.1")
- output_format=OUTPUT_5_1;
- else if (channels=="quad")
- output_format=OUTPUT_QUAD;
- else if (channels=="mono")
- output_format=OUTPUT_MONO;
+ if (channels == "5.1")
+ output_format = OUTPUT_5_1;
+ else if (channels == "quad")
+ output_format = OUTPUT_QUAD;
+ else if (channels == "mono")
+ output_format = OUTPUT_MONO;
else
- output_format=OUTPUT_STEREO;
+ output_format = OUTPUT_STEREO;
RtAudio::StreamParameters parameters;
parameters.deviceId = dac->getDefaultOutputDevice();
@@ -104,28 +103,28 @@ Error AudioDriverRtAudio::init() {
unsigned int target_number_of_buffers = 4;
options.numberOfBuffers = target_number_of_buffers;
-// options.
-// RtAudioStreamFlags flags; /*!< A bit-mask of stream flags (RTAUDIO_NONINTERLEAVED, RTAUDIO_MINIMIZE_LATENCY, RTAUDIO_HOG_DEVICE). *///
-// unsigned int numberOfBuffers; /*!< Number of stream buffers. */
-// std::string streamName; /*!< A stream name (currently used only in Jack). */
-// int priority; /*!< Scheduling priority of callback thread (only used with flag RTAUDIO_SCHEDULE_REALTIME). */
+ // options.
+ // RtAudioStreamFlags flags; /*!< A bit-mask of stream flags (RTAUDIO_NONINTERLEAVED, RTAUDIO_MINIMIZE_LATENCY, RTAUDIO_HOG_DEVICE). *///
+ // unsigned int numberOfBuffers; /*!< Number of stream buffers. */
+ // std::string streamName; /*!< A stream name (currently used only in Jack). */
+ // int priority; /*!< Scheduling priority of callback thread (only used with flag RTAUDIO_SCHEDULE_REALTIME). */
parameters.firstChannel = 0;
- mix_rate = GLOBAL_DEF("audio/mix_rate",44100);
+ mix_rate = GLOBAL_DEF("audio/mix_rate", 44100);
- int latency = GLOBAL_DEF("audio/output_latency",25);
+ int latency = GLOBAL_DEF("audio/output_latency", 25);
// calculate desired buffer_size, taking the desired numberOfBuffers into account (latency depends on numberOfBuffers*buffer_size)
- unsigned int buffer_size = nearest_power_of_2( latency * mix_rate / 1000 / target_number_of_buffers);
+ unsigned int buffer_size = nearest_power_of_2(latency * mix_rate / 1000 / target_number_of_buffers);
if (OS::get_singleton()->is_stdout_verbose()) {
- print_line("audio buffer size: "+itos(buffer_size));
+ print_line("audio buffer size: " + itos(buffer_size));
}
short int tries = 2;
- while(true) {
- while( true) {
- switch(output_format) {
+ while (true) {
+ while (true) {
+ switch (output_format) {
case OUTPUT_MONO: parameters.nChannels = 1; break;
case OUTPUT_STEREO: parameters.nChannels = 2; break;
case OUTPUT_QUAD: parameters.nChannels = 4; break;
@@ -133,40 +132,43 @@ Error AudioDriverRtAudio::init() {
};
try {
- dac->openStream( &parameters, NULL, RTAUDIO_SINT32, mix_rate, &buffer_size, &callback, this,&options );
+ dac->openStream(&parameters, NULL, RTAUDIO_SINT32, mix_rate, &buffer_size, &callback, this, &options);
mutex = Mutex::create(true);
- active=true;
+ active = true;
break;
- } catch ( RtAudioError& e ) {
+ } catch (RtAudioError &e) {
// try with less channels
ERR_PRINT("Unable to open audio, retrying with fewer channels..");
- switch(output_format) {
- case OUTPUT_MONO: ERR_EXPLAIN("Unable to open audio."); ERR_FAIL_V( ERR_UNAVAILABLE ); break;
- case OUTPUT_STEREO: output_format=OUTPUT_MONO; break;
- case OUTPUT_QUAD: output_format=OUTPUT_STEREO; break;
- case OUTPUT_5_1: output_format=OUTPUT_QUAD; break;
+ switch (output_format) {
+ case OUTPUT_MONO:
+ ERR_EXPLAIN("Unable to open audio.");
+ ERR_FAIL_V(ERR_UNAVAILABLE);
+ break;
+ case OUTPUT_STEREO: output_format = OUTPUT_MONO; break;
+ case OUTPUT_QUAD: output_format = OUTPUT_STEREO; break;
+ case OUTPUT_5_1: output_format = OUTPUT_QUAD; break;
};
}
}
// compare actual numberOfBuffers with the desired one. If not equal, close and reopen the stream with adjusted buffer size, so the desired output_latency is still correct
- if(target_number_of_buffers != options.numberOfBuffers) {
- if(tries <= 0) {
+ if (target_number_of_buffers != options.numberOfBuffers) {
+ if (tries <= 0) {
ERR_EXPLAIN("RtAudio: Unable to set correct number of buffers.");
- ERR_FAIL_V( ERR_UNAVAILABLE );
+ ERR_FAIL_V(ERR_UNAVAILABLE);
break;
}
-
+
try {
dac->closeStream();
- } catch ( RtAudioError& e ) {
+ } catch (RtAudioError &e) {
ERR_PRINT(e.what());
- ERR_FAIL_V( ERR_UNAVAILABLE );
+ ERR_FAIL_V(ERR_UNAVAILABLE);
break;
}
- if (OS::get_singleton()->is_stdout_verbose())
+ if (OS::get_singleton()->is_stdout_verbose())
print_line("RtAudio: Desired number of buffers (" + itos(target_number_of_buffers) + ") not available. Using " + itos(options.numberOfBuffers) + " instead. Reopening stream with adjusted buffer_size.");
// new buffer size dependent on the ratio between set and actual numberOfBuffers
@@ -176,14 +178,11 @@ Error AudioDriverRtAudio::init() {
} else {
break;
}
-
-
}
return OK;
}
-
int AudioDriverRtAudio::get_mix_rate() const {
return mix_rate;
@@ -214,24 +213,19 @@ void AudioDriverRtAudio::unlock() {
void AudioDriverRtAudio::finish() {
- if ( active && dac->isStreamOpen() )
- dac->closeStream();
- if (mutex)
- memdelete(mutex);
- if (dac)
- memdelete(dac);
+ if (active && dac->isStreamOpen())
+ dac->closeStream();
+ if (mutex)
+ memdelete(mutex);
+ if (dac)
+ memdelete(dac);
}
+AudioDriverRtAudio::AudioDriverRtAudio() {
-
-AudioDriverRtAudio::AudioDriverRtAudio()
-{
-
- mutex=NULL;
- mix_rate=44100;
- output_format=OUTPUT_STEREO;
+ mutex = NULL;
+ mix_rate = 44100;
+ output_format = OUTPUT_STEREO;
}
-
-
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.52.0) at 2026-01-14 21:28:18 +0000