592 lines
20 KiB
C++
592 lines
20 KiB
C++
/*
|
|
Copyright (C) 2004-2008 Grame
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
#include "JackDriverLoader.h"
|
|
#include "driver_interface.h"
|
|
#include "JackPortAudioDriver.h"
|
|
#include "JackEngineControl.h"
|
|
#include "JackGraphManager.h"
|
|
#include "JackError.h"
|
|
#include "JackTime.h"
|
|
#include "JackTools.h"
|
|
#include "JackCompilerDeps.h"
|
|
#include <iostream>
|
|
#include <assert.h>
|
|
|
|
#ifdef __linux__
|
|
#include "JackServerGlobals.h"
|
|
#endif
|
|
|
|
using namespace std;
|
|
|
|
namespace Jack
|
|
{
|
|
|
|
#ifdef __linux__
|
|
static volatile bool device_reservation_loop_running = false;
|
|
|
|
static void* on_device_reservation_loop(void*)
|
|
{
|
|
while (device_reservation_loop_running && JackServerGlobals::on_device_reservation_loop != NULL) {
|
|
JackServerGlobals::on_device_reservation_loop();
|
|
usleep(50*1000);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static bool name_to_num(const char* paDeviceName, char* entry)
|
|
{
|
|
if (const char* sep = strstr(paDeviceName, " (hw:"))
|
|
{
|
|
sep += 5;
|
|
while (*sep != '\0' && *sep != ',' && *sep != ')')
|
|
*entry++ = *sep++;
|
|
*entry = '\0';
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
int JackPortAudioDriver::Render(const void* inputBuffer, void* outputBuffer,
|
|
unsigned long framesPerBuffer,
|
|
const PaStreamCallbackTimeInfo* timeInfo,
|
|
PaStreamCallbackFlags statusFlags,
|
|
void* userData)
|
|
{
|
|
return static_cast<JackPortAudioDriver*>(userData)->Render(inputBuffer, outputBuffer, statusFlags);
|
|
}
|
|
|
|
int JackPortAudioDriver::Render(const void* inputBuffer, void* outputBuffer, PaStreamCallbackFlags statusFlags)
|
|
{
|
|
fInputBuffer = (jack_default_audio_sample_t**)inputBuffer;
|
|
fOutputBuffer = (jack_default_audio_sample_t**)outputBuffer;
|
|
|
|
if (statusFlags) {
|
|
if (statusFlags & paOutputUnderflow)
|
|
jack_error("JackPortAudioDriver::Render paOutputUnderflow");
|
|
if (statusFlags & paInputUnderflow)
|
|
jack_error("JackPortAudioDriver::Render paInputUnderflow");
|
|
if (statusFlags & paOutputOverflow)
|
|
jack_error("JackPortAudioDriver::Render paOutputOverflow");
|
|
if (statusFlags & paInputOverflow)
|
|
jack_error("JackPortAudioDriver::Render paInputOverflow");
|
|
if (statusFlags & paPrimingOutput)
|
|
jack_error("JackPortAudioDriver::Render paOutputUnderflow");
|
|
|
|
if (statusFlags != paPrimingOutput) {
|
|
jack_time_t cur_time = GetMicroSeconds();
|
|
NotifyXRun(cur_time, float(cur_time - fBeginDateUst)); // Better this value than nothing...
|
|
}
|
|
}
|
|
|
|
// Setup threaded based log function
|
|
set_threaded_log_function();
|
|
CycleTakeBeginTime();
|
|
return (Process() == 0) ? paContinue : paAbort;
|
|
}
|
|
|
|
int JackPortAudioDriver::Read()
|
|
{
|
|
for (int i = 0; i < fCaptureChannels; i++) {
|
|
memcpy(GetInputBuffer(i), fInputBuffer[i], sizeof(jack_default_audio_sample_t) * fEngineControl->fBufferSize);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int JackPortAudioDriver::Write()
|
|
{
|
|
for (int i = 0; i < fPlaybackChannels; i++) {
|
|
memcpy(fOutputBuffer[i], GetOutputBuffer(i), sizeof(jack_default_audio_sample_t) * fEngineControl->fBufferSize);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
PaError JackPortAudioDriver::OpenStream(jack_nframes_t buffer_size)
|
|
{
|
|
PaStreamParameters inputParameters;
|
|
PaStreamParameters outputParameters;
|
|
|
|
jack_log("JackPortAudioDriver::OpenStream buffer_size = %d", buffer_size);
|
|
|
|
// Update parameters
|
|
inputParameters.device = fInputDevice;
|
|
inputParameters.channelCount = fCaptureChannels;
|
|
inputParameters.sampleFormat = paFloat32 | paNonInterleaved; // 32 bit floating point input
|
|
inputParameters.suggestedLatency = (fInputDevice != paNoDevice) // TODO: check how to setup this on ASIO
|
|
? ((fPaDevices->GetHostFromDevice(fInputDevice) == "ASIO") ? 0 : Pa_GetDeviceInfo(inputParameters.device)->defaultLowInputLatency)
|
|
: 0;
|
|
inputParameters.hostApiSpecificStreamInfo = NULL;
|
|
|
|
outputParameters.device = fOutputDevice;
|
|
outputParameters.channelCount = fPlaybackChannels;
|
|
outputParameters.sampleFormat = paFloat32 | paNonInterleaved; // 32 bit floating point output
|
|
outputParameters.suggestedLatency = (fOutputDevice != paNoDevice) // TODO: check how to setup this on ASIO
|
|
? ((fPaDevices->GetHostFromDevice(fOutputDevice) == "ASIO") ? 0 : Pa_GetDeviceInfo(outputParameters.device)->defaultLowOutputLatency)
|
|
: 0;
|
|
outputParameters.hostApiSpecificStreamInfo = NULL;
|
|
|
|
return Pa_OpenStream(&fStream,
|
|
(fInputDevice == paNoDevice) ? 0 : &inputParameters,
|
|
(fOutputDevice == paNoDevice) ? 0 : &outputParameters,
|
|
fEngineControl->fSampleRate,
|
|
buffer_size,
|
|
paNoFlag, // Clipping is on...
|
|
Render,
|
|
this);
|
|
}
|
|
|
|
void JackPortAudioDriver::UpdateLatencies()
|
|
{
|
|
jack_latency_range_t input_range;
|
|
jack_latency_range_t output_range;
|
|
jack_latency_range_t monitor_range;
|
|
|
|
const PaStreamInfo* info = Pa_GetStreamInfo(fStream);
|
|
assert(info);
|
|
|
|
for (int i = 0; i < fCaptureChannels; i++) {
|
|
input_range.max = input_range.min = fEngineControl->fBufferSize + (info->inputLatency * fEngineControl->fSampleRate) + fCaptureLatency;
|
|
fGraphManager->GetPort(fCapturePortList[i])->SetLatencyRange(JackCaptureLatency, &input_range);
|
|
}
|
|
|
|
for (int i = 0; i < fPlaybackChannels; i++) {
|
|
output_range.max = output_range.min = (info->outputLatency * fEngineControl->fSampleRate) + fPlaybackLatency;
|
|
if (fEngineControl->fSyncMode) {
|
|
output_range.max = output_range.min += fEngineControl->fBufferSize;
|
|
} else {
|
|
output_range.max = output_range.min += fEngineControl->fBufferSize * 2;
|
|
}
|
|
fGraphManager->GetPort(fPlaybackPortList[i])->SetLatencyRange(JackPlaybackLatency, &output_range);
|
|
if (fWithMonitorPorts) {
|
|
monitor_range.min = monitor_range.max = fEngineControl->fBufferSize;
|
|
fGraphManager->GetPort(fMonitorPortList[i])->SetLatencyRange(JackCaptureLatency, &monitor_range);
|
|
}
|
|
}
|
|
}
|
|
|
|
int JackPortAudioDriver::Open(jack_nframes_t buffer_size,
|
|
jack_nframes_t samplerate,
|
|
bool capturing,
|
|
bool playing,
|
|
int inchannels,
|
|
int outchannels,
|
|
bool monitor,
|
|
const char* capture_driver_uid,
|
|
const char* playback_driver_uid,
|
|
jack_nframes_t capture_latency,
|
|
jack_nframes_t playback_latency)
|
|
{
|
|
int in_max = 0;
|
|
int out_max = 0;
|
|
PaError err = paNoError;
|
|
|
|
if (!fPaDevices) {
|
|
fPaDevices = new PortAudioDevices();
|
|
}
|
|
|
|
fCaptureLatency = capture_latency;
|
|
fPlaybackLatency = playback_latency;
|
|
|
|
jack_log("JackPortAudioDriver::Open nframes = %ld in = %ld out = %ld capture name = %s playback name = %s samplerate = %ld",
|
|
buffer_size, inchannels, outchannels, capture_driver_uid, playback_driver_uid, samplerate);
|
|
|
|
// Get devices
|
|
if (capturing) {
|
|
if (fPaDevices->GetInputDeviceFromName(capture_driver_uid, fInputDevice, in_max) < 0) {
|
|
goto error;
|
|
}
|
|
}
|
|
if (playing) {
|
|
if (fPaDevices->GetOutputDeviceFromName(playback_driver_uid, fOutputDevice, out_max) < 0) {
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
// If ASIO, request for preferred size (assuming fInputDevice and fOutputDevice are the same)
|
|
if (buffer_size == 0) {
|
|
buffer_size = fPaDevices->GetPreferredBufferSize(fInputDevice);
|
|
jack_log("JackPortAudioDriver::Open preferred buffer_size = %d", buffer_size);
|
|
}
|
|
|
|
// Generic JackAudioDriver Open
|
|
char capture_driver_name[JACK_CLIENT_NAME_SIZE];
|
|
char playback_driver_name[JACK_CLIENT_NAME_SIZE];
|
|
snprintf(capture_driver_name, sizeof(capture_driver_name), "%s", capture_driver_uid);
|
|
snprintf(playback_driver_name, sizeof(playback_driver_name), "%s", playback_driver_uid);
|
|
if (JackAudioDriver::Open(buffer_size, samplerate, capturing, playing, inchannels, outchannels, monitor,
|
|
capture_driver_name, playback_driver_name, capture_latency, playback_latency) != 0) {
|
|
return -1;
|
|
}
|
|
|
|
jack_log("JackPortAudioDriver::Open fInputDevice = %d, fOutputDevice %d", fInputDevice, fOutputDevice);
|
|
|
|
// Default channels number required
|
|
if (inchannels == 0) {
|
|
jack_log("JackPortAudioDriver::Open setup max in channels = %ld", in_max);
|
|
inchannels = in_max;
|
|
}
|
|
if (outchannels == 0) {
|
|
jack_log("JackPortAudioDriver::Open setup max out channels = %ld", out_max);
|
|
outchannels = out_max;
|
|
}
|
|
|
|
// Too many channels required, take max available
|
|
if (inchannels > in_max) {
|
|
jack_error("This device has only %d available input channels.", in_max);
|
|
inchannels = in_max;
|
|
}
|
|
if (outchannels > out_max) {
|
|
jack_error("This device has only %d available output channels.", out_max);
|
|
outchannels = out_max;
|
|
}
|
|
|
|
// Core driver may have changed the in/out values
|
|
fCaptureChannels = inchannels;
|
|
fPlaybackChannels = outchannels;
|
|
|
|
#ifdef __linux__
|
|
if (JackServerGlobals::on_device_acquire != NULL) {
|
|
char audio_name[32];
|
|
snprintf(audio_name, sizeof(audio_name), "Audio");
|
|
|
|
if (name_to_num(capture_driver_name, audio_name+5)) {
|
|
if (!JackServerGlobals::on_device_acquire(audio_name)) {
|
|
jack_error("Audio device %s cannot be acquired...", capture_driver_name);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (strcmp(capture_driver_name, playback_driver_name) && name_to_num(playback_driver_name, audio_name+5)) {
|
|
if (!JackServerGlobals::on_device_acquire(audio_name)) {
|
|
jack_error("Audio device %s cannot be acquired...", playback_driver_name);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
err = OpenStream(buffer_size);
|
|
if (err != paNoError) {
|
|
jack_error("Pa_OpenStream error = %s", Pa_GetErrorText(err));
|
|
goto error;
|
|
}
|
|
|
|
#ifdef __APPLE__
|
|
fEngineControl->fPeriod = fEngineControl->fPeriodUsecs * 1000;
|
|
fEngineControl->fComputation = JackTools::ComputationMicroSec(fEngineControl->fBufferSize) * 1000;
|
|
fEngineControl->fConstraint = fEngineControl->fPeriodUsecs * 1000;
|
|
#endif
|
|
|
|
#ifdef __linux__
|
|
if (JackServerGlobals::on_device_reservation_loop != NULL) {
|
|
device_reservation_loop_running = true;
|
|
if (JackPosixThread::StartImp(&fReservationLoopThread, 0, 0, on_device_reservation_loop, NULL) != 0) {
|
|
device_reservation_loop_running = false;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
|
|
error:
|
|
JackAudioDriver::Close();
|
|
jack_error("Can't open default PortAudio device");
|
|
return -1;
|
|
}
|
|
|
|
int JackPortAudioDriver::Close()
|
|
{
|
|
// Generic audio driver close
|
|
jack_log("JackPortAudioDriver::Close");
|
|
JackAudioDriver::Close();
|
|
PaError err = Pa_CloseStream(fStream);
|
|
if (err != paNoError) {
|
|
jack_error("Pa_CloseStream error = %s", Pa_GetErrorText(err));
|
|
}
|
|
|
|
#ifdef __linux__
|
|
if (device_reservation_loop_running) {
|
|
device_reservation_loop_running = false;
|
|
JackPosixThread::StopImp(fReservationLoopThread);
|
|
}
|
|
|
|
if (JackServerGlobals::on_device_release != NULL)
|
|
{
|
|
char audio_name[32];
|
|
snprintf(audio_name, sizeof(audio_name), "Audio");
|
|
|
|
if (name_to_num(fCaptureDriverName, audio_name+5)) {
|
|
JackServerGlobals::on_device_release(audio_name);
|
|
}
|
|
|
|
if (strcmp(fCaptureDriverName, fPlaybackDriverName) && name_to_num(fPlaybackDriverName, audio_name+5)) {
|
|
JackServerGlobals::on_device_release(audio_name);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
delete fPaDevices;
|
|
fPaDevices = NULL;
|
|
return (err != paNoError) ? -1 : 0;
|
|
}
|
|
|
|
int JackPortAudioDriver::Attach()
|
|
{
|
|
if (JackAudioDriver::Attach() == 0) {
|
|
|
|
#if defined(HAVE_ASIO)
|
|
const char* alias;
|
|
|
|
if (fInputDevice != paNoDevice && fPaDevices->GetHostFromDevice(fInputDevice) == "ASIO") {
|
|
for (int i = 0; i < fCaptureChannels; i++) {
|
|
if (PaAsio_GetInputChannelName(fInputDevice, i, &alias) == paNoError) {
|
|
JackPort* port = fGraphManager->GetPort(fCapturePortList[i]);
|
|
port->SetAlias(alias);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (fOutputDevice != paNoDevice && fPaDevices->GetHostFromDevice(fOutputDevice) == "ASIO") {
|
|
for (int i = 0; i < fPlaybackChannels; i++) {
|
|
if (PaAsio_GetOutputChannelName(fOutputDevice, i, &alias) == paNoError) {
|
|
JackPort* port = fGraphManager->GetPort(fPlaybackPortList[i]);
|
|
port->SetAlias(alias);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
return 0;
|
|
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int JackPortAudioDriver::Start()
|
|
{
|
|
jack_log("JackPortAudioDriver::Start");
|
|
if (JackAudioDriver::Start() == 0) {
|
|
PaError err;
|
|
if ((err = Pa_StartStream(fStream)) == paNoError) {
|
|
return 0;
|
|
}
|
|
jack_error("Pa_StartStream error = %s", Pa_GetErrorText(err));
|
|
JackAudioDriver::Stop();
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int JackPortAudioDriver::Stop()
|
|
{
|
|
jack_log("JackPortAudioDriver::Stop");
|
|
PaError err;
|
|
if ((err = Pa_StopStream(fStream)) != paNoError) {
|
|
jack_error("Pa_StopStream error = %s", Pa_GetErrorText(err));
|
|
}
|
|
if (JackAudioDriver::Stop() < 0) {
|
|
return -1;
|
|
} else {
|
|
return (err == paNoError) ? 0 : -1;
|
|
}
|
|
}
|
|
|
|
int JackPortAudioDriver::SetBufferSize(jack_nframes_t buffer_size)
|
|
{
|
|
PaError err;
|
|
|
|
if (fStream && (err = Pa_CloseStream(fStream)) != paNoError) {
|
|
jack_error("Pa_CloseStream error = %s", Pa_GetErrorText(err));
|
|
goto error;
|
|
}
|
|
|
|
err = OpenStream(buffer_size);
|
|
if (err != paNoError) {
|
|
jack_error("Pa_OpenStream error = %s", Pa_GetErrorText(err));
|
|
goto error;
|
|
} else {
|
|
JackAudioDriver::SetBufferSize(buffer_size); // Generic change, never fails
|
|
return 0;
|
|
}
|
|
|
|
error:
|
|
fStream = NULL;
|
|
return -1;
|
|
}
|
|
|
|
} // end of namespace
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
#include "JackCompilerDeps.h"
|
|
|
|
SERVER_EXPORT jack_driver_desc_t* driver_get_descriptor()
|
|
{
|
|
jack_driver_desc_t * desc;
|
|
jack_driver_desc_filler_t filler;
|
|
jack_driver_param_value_t value;
|
|
|
|
desc = jack_driver_descriptor_construct("portaudio", JackDriverMaster, "PortAudio API based audio backend", &filler);
|
|
|
|
value.ui = 0;
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "channels", 'c', JackDriverParamUInt, &value, NULL, "Maximum number of channels", NULL);
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "inchannels", 'i', JackDriverParamUInt, &value, NULL, "Maximum number of input channels", NULL);
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "outchannels", 'o', JackDriverParamUInt, &value, NULL, "Maximum number of output channels", NULL);
|
|
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "capture", 'C', JackDriverParamString, &value, NULL, "Provide capture ports. Optionally set PortAudio device name", NULL);
|
|
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "playback", 'P', JackDriverParamString, &value, NULL, "Provide playback ports. Optionally set PortAudio device name", NULL);
|
|
|
|
value.i = 0;
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "monitor", 'm', JackDriverParamBool, &value, NULL, "Provide monitor ports for the output", NULL);
|
|
|
|
value.i = true;
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "duplex", 'D', JackDriverParamBool, &value, NULL, "Provide both capture and playback ports", NULL);
|
|
|
|
value.ui = 44100U;
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "rate", 'r', JackDriverParamUInt, &value, NULL, "Sample rate", NULL);
|
|
|
|
value.ui = 512U;
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "period", 'p', JackDriverParamUInt, &value, NULL, "Frames per period", "Frames per period. If 0 and ASIO driver, will take preferred value");
|
|
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "device", 'd', JackDriverParamString, &value, NULL, "PortAudio device name", NULL);
|
|
|
|
value.ui = 0;
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "input-latency", 'I', JackDriverParamUInt, &value, NULL, "Extra input latency", NULL);
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "output-latency", 'O', JackDriverParamUInt, &value, NULL, "Extra output latency", NULL);
|
|
|
|
value.i = true;
|
|
jack_driver_descriptor_add_parameter(desc, &filler, "list-devices", 'l', JackDriverParamBool, &value, NULL, "Display available PortAudio devices", NULL);
|
|
|
|
return desc;
|
|
}
|
|
|
|
SERVER_EXPORT Jack::JackDriverClientInterface* driver_initialize(Jack::JackLockedEngine* engine, Jack::JackSynchro* table, const JSList* params)
|
|
{
|
|
jack_nframes_t srate = 44100;
|
|
jack_nframes_t frames_per_interrupt = 512;
|
|
const char* capture_pcm_name = "";
|
|
const char* playback_pcm_name = "";
|
|
bool capture = false;
|
|
bool playback = false;
|
|
int chan_in = 0;
|
|
int chan_out = 0;
|
|
bool monitor = false;
|
|
const JSList *node;
|
|
const jack_driver_param_t *param;
|
|
jack_nframes_t systemic_input_latency = 0;
|
|
jack_nframes_t systemic_output_latency = 0;
|
|
PortAudioDevices* pa_devices = new PortAudioDevices();
|
|
|
|
for (node = params; node; node = jack_slist_next(node))
|
|
{
|
|
param = (const jack_driver_param_t *) node->data;
|
|
|
|
switch (param->character) {
|
|
|
|
case 'd':
|
|
capture_pcm_name = param->value.str;
|
|
playback_pcm_name = param->value.str;
|
|
break;
|
|
|
|
case 'D':
|
|
capture = true;
|
|
playback = true;
|
|
break;
|
|
|
|
case 'c':
|
|
chan_in = chan_out = (int)param->value.ui;
|
|
break;
|
|
|
|
case 'i':
|
|
chan_in = (int)param->value.ui;
|
|
break;
|
|
|
|
case 'o':
|
|
chan_out = (int)param->value.ui;
|
|
break;
|
|
|
|
case 'C':
|
|
capture = true;
|
|
if (strcmp(param->value.str, "none") != 0) {
|
|
capture_pcm_name = param->value.str;
|
|
}
|
|
break;
|
|
|
|
case 'P':
|
|
playback = true;
|
|
if (strcmp(param->value.str, "none") != 0) {
|
|
playback_pcm_name = param->value.str;
|
|
}
|
|
break;
|
|
|
|
case 'm':
|
|
monitor = param->value.i;
|
|
break;
|
|
|
|
case 'r':
|
|
srate = param->value.ui;
|
|
break;
|
|
|
|
case 'p':
|
|
frames_per_interrupt = (unsigned int)param->value.ui;
|
|
break;
|
|
|
|
case 'I':
|
|
systemic_input_latency = param->value.ui;
|
|
break;
|
|
|
|
case 'O':
|
|
systemic_output_latency = param->value.ui;
|
|
break;
|
|
|
|
case 'l':
|
|
pa_devices->DisplayDevicesNames();
|
|
// Stops the server in this case
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
// duplex is the default
|
|
if (!capture && !playback) {
|
|
capture = true;
|
|
playback = true;
|
|
}
|
|
|
|
Jack::JackDriverClientInterface* driver = new Jack::JackPortAudioDriver("system", "portaudio", engine, table, pa_devices);
|
|
if (driver->Open(frames_per_interrupt, srate, capture, playback,
|
|
chan_in, chan_out, monitor, capture_pcm_name,
|
|
playback_pcm_name, systemic_input_latency,
|
|
systemic_output_latency) == 0) {
|
|
return driver;
|
|
} else {
|
|
delete driver;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|