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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* Copyright 2013 Blender Foundation
*
* This file is part of AudaSpace.
*
* Audaspace 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.
*
* AudaSpace 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 Audaspace; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file audaspace/jack/AUD_JackLibrary.cpp
* \ingroup audjack
*/
#define AUD_JACK_LIBRARY_IMPL
#include "AUD_JackLibrary.h"
#ifdef WITH_JACK_DYNLOAD
# include <dlfcn.h>
# include <stdio.h>
#endif
#ifdef WITH_JACK_DYNLOAD
static void *jack_handle = NULL;
#endif
static bool jack_supported = false;
void AUD_jack_init(void)
{
#ifdef WITH_JACK_DYNLOAD
const char *names[] = {"libjack.so",
"libjack.so.0",
"libjack.so.1",
"libjack.so.2",
NULL};
int index = 0;
while (names[index] != NULL) {
jack_handle = dlopen(names[index], RTLD_LAZY);
if (jack_handle != NULL) {
// Found existing library.
break;
}
++index;
}
if (!jack_handle) {
return;
}
# define JACK_SYMBOL(sym) \
{ \
char *error; \
*(void **) (&(AUD_##sym)) = dlsym(jack_handle, #sym); \
if ((error = dlerror()) != NULL) { \
fprintf(stderr, "%s\n", error); \
return; \
} \
} (void)0
dlerror(); /* Clear any existing error */
#else // WITH_JACK_DYNLOAD
# define JACK_SYMBOL(sym) AUD_##sym = sym
#endif // WITH_JACK_DYNLOAD
JACK_SYMBOL(jack_transport_query);
JACK_SYMBOL(jack_transport_locate);
JACK_SYMBOL(jack_transport_start);
JACK_SYMBOL(jack_transport_stop);
JACK_SYMBOL(jack_ringbuffer_reset);
JACK_SYMBOL(jack_ringbuffer_write);
JACK_SYMBOL(jack_ringbuffer_write_space);
JACK_SYMBOL(jack_ringbuffer_write_advance);
JACK_SYMBOL(jack_ringbuffer_read);
JACK_SYMBOL(jack_ringbuffer_create);
JACK_SYMBOL(jack_ringbuffer_free);
JACK_SYMBOL(jack_ringbuffer_read_space);
JACK_SYMBOL(jack_set_sync_callback);
JACK_SYMBOL(jack_port_get_buffer);
JACK_SYMBOL(jack_client_open);
JACK_SYMBOL(jack_set_process_callback);
JACK_SYMBOL(jack_on_shutdown);
JACK_SYMBOL(jack_port_register);
JACK_SYMBOL(jack_client_close);
JACK_SYMBOL(jack_get_sample_rate);
JACK_SYMBOL(jack_activate);
JACK_SYMBOL(jack_get_ports);
JACK_SYMBOL(jack_port_name);
JACK_SYMBOL(jack_connect);
jack_supported = true;
#undef JACK_SYMBOL
}
void AUD_jack_exit(void)
{
#ifdef WITH_JACK_DYNLOAD
if (jack_handle) {
dlclose(jack_handle);
}
#endif
jack_supported = false;
}
bool AUD_jack_supported(void)
{
return jack_supported;
}
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