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00012 #ifdef WITH_ALLEGRO
00013
00014 #include "../stdafx.h"
00015 #include "../debug.h"
00016 #include "allegro_m.h"
00017 #include <allegro.h>
00018
00019 static FMusicDriver_Allegro iFMusicDriver_Allegro;
00020 static MIDI *_midi = NULL;
00021
00026 extern int _allegro_instance_count;
00027
00028 const char *MusicDriver_Allegro::Start(const char * const *param)
00029 {
00030 if (_allegro_instance_count == 0 && install_allegro(SYSTEM_AUTODETECT, &errno, NULL)) {
00031 DEBUG(driver, 0, "allegro: install_allegro failed '%s'", allegro_error);
00032 return "Failed to set up Allegro";
00033 }
00034 _allegro_instance_count++;
00035
00036
00037 if (install_sound(DIGI_AUTODETECT, MIDI_AUTODETECT, NULL) != 0) {
00038 DEBUG(driver, 0, "allegro: install_sound failed '%s'", allegro_error);
00039 return "Failed to set up Allegro sound";
00040 }
00041
00042
00043 if (midi_card == MIDI_NONE) {
00044 DEBUG(driver, 0, "allegro: no midi card found");
00045 return "No sound card found";
00046 }
00047
00048 return NULL;
00049 }
00050
00051 void MusicDriver_Allegro::Stop()
00052 {
00053 if (_midi != NULL) destroy_midi(_midi);
00054 _midi = NULL;
00055
00056 if (--_allegro_instance_count == 0) allegro_exit();
00057 }
00058
00059 void MusicDriver_Allegro::PlaySong(const char *filename)
00060 {
00061 if (_midi != NULL) destroy_midi(_midi);
00062 _midi = load_midi(filename);
00063 play_midi(_midi, false);
00064 }
00065
00066 void MusicDriver_Allegro::StopSong()
00067 {
00068 stop_midi();
00069 }
00070
00071 bool MusicDriver_Allegro::IsSongPlaying()
00072 {
00073 return midi_pos >= 0;
00074 }
00075
00076 void MusicDriver_Allegro::SetVolume(byte vol)
00077 {
00078 set_volume(-1, vol);
00079 }
00080
00081 #endif