JackAudioAdapterFactory.cpp
/*
Copyright (C) 2008-2012 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 "JackAudioAdapter.h"
#include "JackPlatformPlug.h"
#include "JackArgParser.h"
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#ifdef __APPLE__
#include "JackCoreAudioAdapter.h"
#define JackPlatformAdapter JackCoreAudioAdapter
#endif
#ifdef __linux__
#include "JackAlsaAdapter.h"
#define JackPlatformAdapter JackAlsaAdapter
#endif
#if defined(__sun__) || defined(sun)
#include "JackOSSAdapter.h"
#define JackPlatformAdapter JackOSSAdapter
#endif
#ifdef WIN32
#include "JackPortAudioAdapter.h"
#define JackPlatformAdapter JackPortAudioAdapter
#endif
#ifdef __cplusplus
extern "C"
{
#endif
using namespace Jack;
SERVER_EXPORT int jack_internal_initialize(jack_client_t* jack_client, const JSList* params)
{
jack_log("Loading audioadapter");
Jack::JackAudioAdapter* adapter;
jack_nframes_t buffer_size = jack_get_buffer_size(jack_client);
jack_nframes_t sample_rate = jack_get_sample_rate(jack_client);
try {
adapter = new Jack::JackAudioAdapter(jack_client, new Jack::JackPlatformAdapter(buffer_size, sample_rate, params), params);
assert(adapter);
if (adapter->Open() == 0) {
return 0;
} else {
delete adapter;
return 1;
}
} catch (...) {
jack_info("audioadapter allocation error");
return 1;
}
}
SERVER_EXPORT int jack_initialize(jack_client_t* jack_client, const char* load_init)
{
JSList* params = NULL;
bool parse_params = true;
int res = 1;
jack_driver_desc_t* desc = jack_get_descriptor();
Jack::JackArgParser parser(load_init);
if (parser.GetArgc() > 0) {
parse_params = parser.ParseParams(desc, &params);
}
if (parse_params) {
res = jack_internal_initialize(jack_client, params);
parser.FreeParams(params);
}
return res;
}
SERVER_EXPORT void jack_finish(void* arg)
{
Jack::JackAudioAdapter* adapter = static_cast<Jack::JackAudioAdapter*>(arg);
if (adapter) {
jack_log("Unloading audioadapter");
adapter->Close();
delete adapter;
}
}
#ifdef __cplusplus
}
#endif
Jack::JackArgParser
Definition: JackArgParser.h:37
Jack
Definition: JackAC3Encoder.cpp:30
jack_info
SERVER_EXPORT void jack_info(const char *fmt,...)
Definition: JackError.cpp:100
Jack::JackAudioAdapter
Audio adapter : Jack client side.
Definition: JackAudioAdapter.h:33
jack_get_buffer_size
LIB_EXPORT jack_nframes_t jack_get_buffer_size(jack_client_t *)
Definition: JackAPI.cpp:1275
jack_get_sample_rate
LIB_EXPORT jack_nframes_t jack_get_sample_rate(jack_client_t *)
Definition: JackAPI.cpp:1261
_JSList
Definition: linux/alsa/jslist.h:35
jack_log
SERVER_EXPORT void jack_log(const char *fmt,...)
Definition: JackError.cpp:108
jack_driver_desc_t
Definition: driver_interface.h:132