129 lines
3.0 KiB
C++
129 lines
3.0 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* Copyright 2013 Blender Foundation
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*
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* This file is part of AudaSpace.
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*
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* Audaspace is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* AudaSpace is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Audaspace; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file audaspace/jack/AUD_JackLibrary.cpp
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* \ingroup audjack
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*/
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#define AUD_JACK_LIBRARY_IMPL
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#include "AUD_JackLibrary.h"
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#ifdef WITH_JACK_DYNLOAD
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# include <dlfcn.h>
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# include <stdio.h>
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#endif
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#ifdef WITH_JACK_DYNLOAD
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static void *jack_handle = NULL;
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#endif
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static bool jack_supported = false;
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void AUD_jack_init(void)
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{
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#ifdef WITH_JACK_DYNLOAD
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const char *names[] = {"libjack.so",
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"libjack.so.0",
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"libjack.so.1",
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"libjack.so.2",
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NULL};
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int index = 0;
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while (names[index] != NULL) {
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jack_handle = dlopen(names[index], RTLD_LAZY);
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if (jack_handle != NULL) {
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// Found existing library.
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break;
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}
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++index;
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}
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if (!jack_handle) {
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return;
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}
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# define JACK_SYMBOL(sym) \
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{ \
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char *error; \
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*(void **) (&(AUD_##sym)) = dlsym(jack_handle, #sym); \
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if ((error = dlerror()) != NULL) { \
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fprintf(stderr, "%s\n", error); \
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return; \
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} \
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} (void)0
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dlerror(); /* Clear any existing error */
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#else // WITH_JACK_DYNLOAD
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# define JACK_SYMBOL(sym) AUD_##sym = sym
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#endif // WITH_JACK_DYNLOAD
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JACK_SYMBOL(jack_transport_query);
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JACK_SYMBOL(jack_transport_locate);
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JACK_SYMBOL(jack_transport_start);
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JACK_SYMBOL(jack_transport_stop);
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JACK_SYMBOL(jack_ringbuffer_reset);
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JACK_SYMBOL(jack_ringbuffer_write);
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JACK_SYMBOL(jack_ringbuffer_write_space);
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JACK_SYMBOL(jack_ringbuffer_write_advance);
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JACK_SYMBOL(jack_ringbuffer_read);
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JACK_SYMBOL(jack_ringbuffer_create);
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JACK_SYMBOL(jack_ringbuffer_free);
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JACK_SYMBOL(jack_ringbuffer_read_space);
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JACK_SYMBOL(jack_set_sync_callback);
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JACK_SYMBOL(jack_port_get_buffer);
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JACK_SYMBOL(jack_client_open);
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JACK_SYMBOL(jack_set_process_callback);
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JACK_SYMBOL(jack_on_shutdown);
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JACK_SYMBOL(jack_port_register);
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JACK_SYMBOL(jack_client_close);
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JACK_SYMBOL(jack_get_sample_rate);
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JACK_SYMBOL(jack_activate);
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JACK_SYMBOL(jack_get_ports);
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JACK_SYMBOL(jack_port_name);
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JACK_SYMBOL(jack_connect);
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jack_supported = true;
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#undef JACK_SYMBOL
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}
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void AUD_jack_exit(void)
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{
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#ifdef WITH_JACK_DYNLOAD
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if (jack_handle) {
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dlclose(jack_handle);
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}
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#endif
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jack_supported = false;
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}
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bool AUD_jack_supported(void)
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{
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return jack_supported;
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}
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