//
// 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.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
-// $Id$
+#include <stdlib.h>
+#include <cstring>
#include "beacon.hxx"
+#include <simgear/sound/sample_openal.hxx>
+#include <simgear/structure/exception.hxx>
+#include <simgear/debug/logstream.hxx>
// constructor
-FGBeacon::FGBeacon() :
- inner(NULL),
- middle(NULL),
- outer(NULL)
+FGBeacon::FGBeacon()
{
}
// destructor
FGBeacon::~FGBeacon() {
- delete inner;
- delete middle;
- delete outer;
}
// allocate and initialize sound samples
bool FGBeacon::init() {
- int i;
- int len;
unsigned char *ptr;
+ size_t i, len;
- unsigned char inner_buf[ INNER_SIZE ] ;
- unsigned char middle_buf[ MIDDLE_SIZE ] ;
- unsigned char outer_buf[ OUTER_SIZE ] ;
+ const unsigned char* inner_buf = (const unsigned char*)malloc( INNER_SIZE );
+ const unsigned char* middle_buf = (const unsigned char*)malloc(MIDDLE_SIZE);
+ const unsigned char* outer_buf = (const unsigned char*)malloc( OUTER_SIZE );
// Make inner marker beacon sound
len= (int)(INNER_DIT_LEN / 2.0 );
make_tone( inner_dit, INNER_FREQ, len, INNER_DIT_LEN,
TRANSITION_BYTES );
- ptr = inner_buf;
+ ptr = (unsigned char*)inner_buf;
for ( i = 0; i < 6; ++i ) {
memcpy( ptr, inner_dit, INNER_DIT_LEN );
ptr += INNER_DIT_LEN;
}
- inner = new SGSoundSample( inner_buf, INNER_SIZE, BYTES_PER_SECOND, false );
- inner->set_reference_dist( 10.0 );
- inner->set_max_dist( 20.0 );
-
- // Make middle marker beacon sound
- len= (int)(MIDDLE_DIT_LEN / 2.0 );
- unsigned char middle_dit[MIDDLE_DIT_LEN];
- make_tone( middle_dit, MIDDLE_FREQ, len, MIDDLE_DIT_LEN,
- TRANSITION_BYTES );
-
- len= (int)(MIDDLE_DAH_LEN * 3 / 4.0 );
- unsigned char middle_dah[MIDDLE_DAH_LEN];
- make_tone( middle_dah, MIDDLE_FREQ, len, MIDDLE_DAH_LEN,
- TRANSITION_BYTES );
-
- ptr = middle_buf;
- memcpy( ptr, middle_dit, MIDDLE_DIT_LEN );
- ptr += MIDDLE_DIT_LEN;
- memcpy( ptr, middle_dah, MIDDLE_DAH_LEN );
-
- middle = new SGSoundSample( middle_buf, MIDDLE_SIZE, BYTES_PER_SECOND,
- false );
- middle->set_reference_dist( 10.0 );
- middle->set_max_dist( 20.0 );
+ try {
+ inner = new SGSoundSample( &inner_buf, INNER_SIZE, BYTES_PER_SECOND );
+ inner->set_reference_dist( 10.0 );
+ inner->set_max_dist( 20.0 );
+
+ // Make middle marker beacon sound
+ len= (int)(MIDDLE_DIT_LEN / 2.0 );
+ unsigned char middle_dit[MIDDLE_DIT_LEN];
+ make_tone( middle_dit, MIDDLE_FREQ, len, MIDDLE_DIT_LEN,
+ TRANSITION_BYTES );
+
+ len= (int)(MIDDLE_DAH_LEN * 3 / 4.0 );
+ unsigned char middle_dah[MIDDLE_DAH_LEN];
+ make_tone( middle_dah, MIDDLE_FREQ, len, MIDDLE_DAH_LEN,
+ TRANSITION_BYTES );
+
+ ptr = (unsigned char*)middle_buf;
+ memcpy( ptr, middle_dit, MIDDLE_DIT_LEN );
+ ptr += MIDDLE_DIT_LEN;
+ memcpy( ptr, middle_dah, MIDDLE_DAH_LEN );
+
+ middle = new SGSoundSample( &middle_buf, MIDDLE_SIZE, BYTES_PER_SECOND);
+ middle->set_reference_dist( 10.0 );
+ middle->set_max_dist( 20.0 );
+
+ // Make outer marker beacon sound
+ len= (int)(OUTER_DAH_LEN * 3.0 / 4.0 );
+ unsigned char outer_dah[OUTER_DAH_LEN];
+ make_tone( outer_dah, OUTER_FREQ, len, OUTER_DAH_LEN,
+ TRANSITION_BYTES );
+
+ ptr = (unsigned char*)outer_buf;
+ memcpy( ptr, outer_dah, OUTER_DAH_LEN );
+ ptr += OUTER_DAH_LEN;
+ memcpy( ptr, outer_dah, OUTER_DAH_LEN );
+
+ outer = new SGSoundSample( &outer_buf, OUTER_SIZE, BYTES_PER_SECOND );
+ outer->set_reference_dist( 10.0 );
+ outer->set_max_dist( 20.0 );
+ } catch ( sg_io_exception &e ) {
+ SG_LOG(SG_SOUND, SG_ALERT, e.getFormattedMessage());
+ }
- // Make outer marker beacon sound
- len= (int)(OUTER_DAH_LEN * 3.0 / 4.0 );
- unsigned char outer_dah[OUTER_DAH_LEN];
- make_tone( outer_dah, OUTER_FREQ, len, OUTER_DAH_LEN,
- TRANSITION_BYTES );
-
- ptr = outer_buf;
- memcpy( ptr, outer_dah, OUTER_DAH_LEN );
- ptr += OUTER_DAH_LEN;
- memcpy( ptr, outer_dah, OUTER_DAH_LEN );
+ return true;
+}
- outer = new SGSoundSample( outer_buf, OUTER_SIZE, BYTES_PER_SECOND, false );
- outer->set_reference_dist( 10.0 );
- outer->set_max_dist( 20.0 );
+FGBeacon * FGBeacon::_instance = NULL;
- return true;
+FGBeacon * FGBeacon::instance()
+{
+ if( _instance == NULL ) {
+ _instance = new FGBeacon();
+ _instance->init();
+ }
+ return _instance;
}