Пример #1
0
int main()
{
  vagg_start(vagg_display_success);
  RingBuffer<AudioBuffer, 2> buffer;


  AudioBuffer a = {0.1, 0.2, 0.3, 0.4};
  AudioBuffer b = {0.2, 1.2, 1.3, 2.4};
  AudioBuffer c = {3.1, 8.2, 3.3, 3.4};
  AudioBuffer d;

  for(int i = 0; i < 10; i++) {
    vagg_ok(! buffer.full(), "Not full.");
    vagg_ok(buffer.empty(), "Empty.");
    float raw[4] = {0.1, 0.3, 1.8, 4.2};
    vagg_ok(buffer.push_raw(raw, 4), "Add a buffer on a not full RingBuffer.");
    vagg_ok(! buffer.empty(), "Not full.");
    vagg_ok(! buffer.full(), "Not empty.");
    vagg_ok(buffer.push(b), "Add a buffer on a not full RingBuffer.");
    vagg_ok(buffer.full(), "Should be full");
    vagg_ok(! buffer.empty(), "Should not be empty");
    vagg_ok(! buffer.push(c), "Add a buffer on a full RingBuffer.");
    vagg_ok(buffer.full(), "Should be full");
    vagg_ok(! buffer.empty(), "Should not be empty");

    vagg_ok(buffer.pop(d), "Get a buffer back.");
    vagg_bufeq((void*)&a.front(), a.size(),(void*)&d.front(), d.size(), "First buffer out should be equal to first buffer in.");
    vagg_ok(! buffer.empty(), "Should not be empty");
    vagg_ok(! buffer.full(), "Should not be full");
    vagg_ok(buffer.pop(d), "Get another buffer back.");
    vagg_ok(buffer.empty(), "Should be empty.");
    vagg_ok(! buffer.full(), "Should not be full.");
    vagg_bufeq((void*)&b.front(), b.size(),(void*)&d.front(), d.size(), "Second buffer out should be equal to second buffer in.");
    vagg_ok(! buffer.pop(d), "Get a buffer back on an empty RingBuffer should not be possible.");
    vagg_ok(buffer.empty(), "Should be empty.");
    vagg_ok(! buffer.full(), "Should not be full.");
  }

  vagg_end();
  return 0;
}
Пример #2
0
size_t OpenSLLayer::audioPlaybackFillWithVoice(AudioBuffer &buffer)
{
    RingBufferPool &mainBuffer = Manager::instance().getRingBufferPool();
    size_t got = mainBuffer.getAvailableData(buffer, RingBufferPool::DEFAULT_ID);
    buffer.resize(got);
    buffer.applyGain(isPlaybackMuted_ ? 0.0 : playbackGain_);
    if (audioFormat_.sample_rate != mainBuffer.getInternalSamplingRate()) {
        DEBUG("OpenSLLayer::audioPlaybackFillWithVoice sample_rate != mainBuffer.getInternalSamplingRate() \n");
        AudioBuffer out(buffer, false);
        out.setSampleRate(audioFormat_.sample_rate);
        resampler_->resample(buffer, out);
        buffer = out;
    }
    return buffer.size();
}