File diff r24217:df2f5854f1e3 → r24218:c32caa9f014d
src/music/allegro_m.cpp
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@@ -5,49 +5,49 @@
 
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 
 */
 

	
 
/** @file allegro_m.cpp Playing music via allegro. */
 

	
 
#ifdef WITH_ALLEGRO
 

	
 
#include "../stdafx.h"
 
#include "../debug.h"
 
#include "allegro_m.h"
 
#include "midifile.hpp"
 
#include <allegro.h>
 

	
 
#include "../safeguards.h"
 

	
 
static FMusicDriver_Allegro iFMusicDriver_Allegro;
 
static MIDI *_midi = nullptr;
 

	
 
/**
 
 * There are multiple modules that might be using Allegro and
 
 * Allegro can only be initiated once.
 
 */
 
extern int _allegro_instance_count;
 

	
 
const char *MusicDriver_Allegro::Start(const char * const *param)
 
const char *MusicDriver_Allegro::Start(const StringList &param)
 
{
 
	if (_allegro_instance_count == 0 && install_allegro(SYSTEM_AUTODETECT, &errno, nullptr)) {
 
		DEBUG(driver, 0, "allegro: install_allegro failed '%s'", allegro_error);
 
		return "Failed to set up Allegro";
 
	}
 
	_allegro_instance_count++;
 

	
 
	/* Initialise the sound */
 
	if (install_sound(DIGI_AUTODETECT, MIDI_AUTODETECT, nullptr) != 0) {
 
		DEBUG(driver, 0, "allegro: install_sound failed '%s'", allegro_error);
 
		return "Failed to set up Allegro sound";
 
	}
 

	
 
	/* Okay, there's no soundcard */
 
	if (midi_card == MIDI_NONE) {
 
		DEBUG(driver, 0, "allegro: no midi card found");
 
		return "No sound card found";
 
	}
 

	
 
	return nullptr;
 
}
 

	
 
void MusicDriver_Allegro::Stop()
 
{