* Initializes a new music track. * @param volume Music volume modifier (1.0 = 100%). */
| 40 | * @param volume Music volume modifier (1.0 = 100%). |
| 41 | */ |
| 42 | AdlibMusic::AdlibMusic(float volume) : Music(), _data(0), _size(0), _volume(volume) |
| 43 | { |
| 44 | rate = Options::audioSampleRate; |
| 45 | if (!opl[0]) |
| 46 | { |
| 47 | opl[0] = OPLCreate(OPL_TYPE_YM3812, 3579545, rate); |
| 48 | } |
| 49 | if (!opl[1]) |
| 50 | { |
| 51 | opl[1] = OPLCreate(OPL_TYPE_YM3812, 3579545, rate); |
| 52 | } |
| 53 | // magic value - length of 1 tick per samplerate |
| 54 | if (delayRates.empty()) |
| 55 | { |
| 56 | delayRates[8000] = 114 * 4; |
| 57 | delayRates[11025] = 157 * 4; |
| 58 | delayRates[16000] = 228 * 4; |
| 59 | delayRates[22050] = 314 * 4; |
| 60 | delayRates[32000] = 456 * 4; |
| 61 | delayRates[44100] = 629 * 4; |
| 62 | delayRates[48000] = 685 * 4; |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Deletes the loaded music content. |