void update() {
ALint processed;
alGetSourceiv(src_, AL_BUFFERS_PROCESSED, &processed);
std::vector<ALuint> unqueued(processed);
alSourceUnqueueBuffers(src_, processed, &unqueued.front());
int queuing_count = 0;
for (; queuing_count < processed; ++queuing_count) {
if (not loop_play_ and loader_->is_end()) {
loader_.reset();
++queuing_count;
break;
}
if (loader_->is_end()) {
ticks_.push_back(0);
}
buf_sizes_.push_back(loader_->load_buffer(unqueued[queuing_count]));
ticks_.push_back(loader_->midi_ticks());
}
alSourceQueueBuffers(src_, queuing_count, &unqueued.front());
if (fade_milli_ != 0) {
SET_CONTEXT(ctx_);
loop_count_++;
if (fade_ended()) {
alSourceStop(src_);
} else {
alSourcef(src_, AL_GAIN, current_volume());
}
}
}
void set_buffer_loader(EASYRPG_SHARED_PTR<buffer_loader> const &l) {
SET_CONTEXT(ctx_);
alSourceStop(src_);
alSourcei(src_, AL_BUFFER, AL_NONE);
if (not l) {
loader_.reset();
return;
}
ALint unqueuing_count;
alGetSourceiv(src_, AL_BUFFERS_QUEUED, &unqueuing_count);
std::vector<ALuint> unqueued(unqueuing_count);
alSourceUnqueueBuffers(src_, unqueuing_count, &unqueued.front());
loader_ = l;
int queuing_count = 0;
BOOST_ASSERT(not l->is_end());
ticks_.push_back(0);
for (; queuing_count < BUFFER_NUMBER; ++queuing_count) {
buf_sizes_.push_back(loader_->load_buffer(buffers_[queuing_count]));
ticks_.push_back(loader_->midi_ticks());
if (loader_->is_end()) {
queuing_count++;
break;
}
}
alSourceQueueBuffers(src_, queuing_count, buffers_.data());
alSourcePlay(src_);
}
void set_buffer_loader(std::shared_ptr<buffer_loader> const &l) {
SET_CONTEXT(ctx_);
alSourceStop(src_);
alSourcei(src_, AL_BUFFER, AL_NONE);
if (!l) {
loader_.reset();
return;
}
ALint unqueuing_count;
alGetSourceiv(src_, AL_BUFFERS_QUEUED, &unqueuing_count);
std::vector<ALuint> unqueued(unqueuing_count);
alSourceUnqueueBuffers(src_, unqueuing_count, &unqueued.front());
loader_ = l;
int queuing_count = 0;
assert(!l->is_end());
ticks_[0] = 0;
for (; queuing_count < BUFFER_NUMBER; ++queuing_count) {
buf_sizes_[queuing_count] = loader_->load_buffer(buffers_[queuing_count]);
ticks_[queuing_count + 1] = loader_->midi_ticks();
if (loader_->is_end()) {
queuing_count++;
break;
}
}
alSourceQueueBuffers(src_, queuing_count, buffers_.data());
alSourcePlay(src_);
}
