我是 ObjectAL 的新手。我用它来播放改变音高的 mp3。
我无法弄清楚如何在 ObjectAL 中“正确”播放加载的缓冲区。当我打电话时[source play:buffer]
,声音只有几分之一秒。为了不断“播放”缓冲区,我可以将其嵌入无限循环中,然后正确播放缓冲区。我想我错过了一些基本点,你能指出我正确的方向吗?
我的代码:
[OALSimpleAudio sharedInstance].reservedSources = 0;
ALSource *source = [ALSource source];
ALBuffer *buffer = [[OpenALManager sharedInstance] bufferFromFile:@"video.mp3" reduceToMono:YES];
source.pitch = 1;
for (;;) { // infinite loop because otherwise only a millisecond of buffer is played
[source play:buffer];
}