学步园

status_t AwesomePlayer::play_l()
{
...

...
}


status_t AudioPlayer::start(...)
{
mSource->read(&mFirstBuffer);

if (mAudioSink.get()
!=
NULL)
{
mAudioSink->open(...,
&AudioPlayer::AudioSinkCallback,
...);
mAudioSink->start();
}
else
{
mAudioTrack =
new AudioTrack(...,
&AudioPlayer::AudioCallback,
...);
mAudioTrack->start();
}
}


size_t AudioPlayer::AudioSinkCallback(audioSink,
buffer, size,
...)
{
return fillBuffer(buffer, size);
}
void AudioPlayer::AudioCallback(...,
info)
{
buffer = info;
fillBuffer(buffer->raw, buffer->size);
}
size_t AudioPlayer::fillBuffer(data, size)
{
mSource->read(&mInputBuffer,
...);
memcpy(data, mInputBuffer->data(),
...);
}