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/*
* guile-ola.cpp
*
* A very thin Guile wrapper for OLA StreamingClient
*
*/
#include <iostream>
#include <ola/DmxBuffer.h>
#include <ola/Logging.h>
#include <ola/client/StreamingClient.h>
#include <libguile.h>
using ola::client::StreamingClient;
static SCM dmxbuffer_type;
static SCM streamingclient_type;
static SCM make_ola_dmx_buffer()
{
ola::DmxBuffer *buf = new ola::DmxBuffer;
buf->Blackout();
return scm_make_foreign_object_1(dmxbuffer_type, buf);
}
static void finalize_dmxbuffer(SCM obj)
{
void *vp;
scm_assert_foreign_object_type(dmxbuffer_type, obj);
vp = scm_foreign_object_ref(obj, 0);
ola::DmxBuffer *buf = static_cast<ola::DmxBuffer*>(vp);
delete buf;
}
static SCM set_ola_dmx_buffer(SCM obj1, SCM obj2, SCM obj3)
{
void *vp;
scm_assert_foreign_object_type(dmxbuffer_type, obj1);
vp = scm_foreign_object_ref(obj1, 0);
ola::DmxBuffer *buf = static_cast<ola::DmxBuffer*>(vp);
buf->SetChannel(scm_to_int(obj2), scm_to_int(obj3));
return obj3;
}
static SCM ola_dmx_buffers_equal_p(SCM obj1, SCM obj2)
{
void *vp1;
void *vp2;
scm_assert_foreign_object_type(dmxbuffer_type, obj1);
scm_assert_foreign_object_type(dmxbuffer_type, obj2);
vp1 = scm_foreign_object_ref(obj1, 0);
vp2 = scm_foreign_object_ref(obj2, 0);
ola::DmxBuffer *buf1 = static_cast<ola::DmxBuffer*>(vp1);
ola::DmxBuffer *buf2 = static_cast<ola::DmxBuffer*>(vp2);
return scm_from_bool(*buf1 == *buf2);
}
static SCM make_ola_streaming_client()
{
StreamingClient *cl;
StreamingClient::Options *opts;
ola::InitLogging(ola::OLA_LOG_WARN, ola::OLA_LOG_STDERR);
opts = new StreamingClient::Options;
cl = new StreamingClient(opts);
if ( !cl->Setup() ) {
std::cerr << "Setup failed" << std::endl;
return SCM_BOOL_F;
} else {
std::cerr << "Setup OK" << std::endl;
return scm_make_foreign_object_1(streamingclient_type, cl);
}
}
static void finalize_streamingclient(SCM obj)
{
void *vp;
scm_assert_foreign_object_type(streamingclient_type, obj);
vp = scm_foreign_object_ref(obj, 0);
StreamingClient *cl = static_cast<StreamingClient*>(vp);
delete cl;
}
static SCM send_streaming_dmx_data(SCM obj1, SCM obj2, SCM obj3)
{
void *vp1;
void *vp3;
scm_assert_foreign_object_type(streamingclient_type, obj1);
scm_assert_foreign_object_type(dmxbuffer_type, obj3);
vp1 = scm_foreign_object_ref(obj1, 0);
vp3 = scm_foreign_object_ref(obj3, 0);
StreamingClient *cl = static_cast<StreamingClient*>(vp1);
ola::DmxBuffer *buf = static_cast<ola::DmxBuffer*>(vp3);
if ( !cl->SendDmx(scm_to_int(obj2), *buf) ) {
std::cerr << "DMX send failed" << std::endl;
}
return SCM_UNSPECIFIED;
}
extern "C" void init_guile_ola()
{
SCM name, slots;
name = scm_from_utf8_symbol("OlaDmxBuffer");
slots = scm_list_1(scm_from_utf8_symbol("data"));
dmxbuffer_type = scm_make_foreign_object_type(name,
slots,
finalize_dmxbuffer);
scm_c_define_gsubr("make-ola-dmx-buffer",
0, 0, 0,
reinterpret_cast<scm_t_subr>(make_ola_dmx_buffer));
scm_c_define_gsubr("set-ola-dmx-buffer!",
3, 0, 0,
reinterpret_cast<scm_t_subr>(set_ola_dmx_buffer));
scm_c_define_gsubr("ola-dmx-buffers-equal?",
2, 0, 0,
reinterpret_cast<scm_t_subr>(ola_dmx_buffers_equal_p));
name = scm_from_utf8_symbol("OlaStreamingClient");
slots = scm_list_1(scm_from_utf8_symbol("data"));
streamingclient_type = scm_make_foreign_object_type(name,
slots,
finalize_streamingclient);
scm_c_define_gsubr("make-ola-streaming-client",
0, 0, 0,
reinterpret_cast<scm_t_subr>(make_ola_streaming_client));
scm_c_define_gsubr("send-streaming-dmx-data!",
3, 0, 0,
reinterpret_cast<scm_t_subr>(send_streaming_dmx_data));
scm_add_feature("guile-ola");
}
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