void SegmentManager::adapt(unsigned int* n, int speed, int stream_type, DASH_Context* dash_context)
{
    unsigned int i = 0;
    unsigned int reservoir = 12;
    unsigned int cushion = 24;
    unsigned int upper_reservoir = 12;
    unsigned int up_limit;
    unsigned int down_limit;
    if(stream_type == STREAM_TYPE_VIDEO)
    {
        m_numberOfVideoSegmentsCurrRep++;
        if(m_numberOfVideoSegmentsCurrRep < MINIMUM_REQUIRED_NUMBER_OF_SEGMENTS)
        {
            return;
        }
    }
    if(stream_type == STREAM_TYPE_AUDIO)
    {
        m_numberOfAudioSegmentsCurrRep++;
        if(m_numberOfAudioSegmentsCurrRep < MINIMUM_REQUIRED_NUMBER_OF_SEGMENTS)
        {
            return;
        }
    }
    if(stream_type == STREAM_TYPE_SUBTITLE)
    {
        m_numberOfSubtitleSegmentsCurrRep++;
        if(m_numberOfSubtitleSegmentsCurrRep < MINIMUM_REQUIRED_NUMBER_OF_SEGMENTS)
        {
            return;
        }
    }
    if(*n >= (dash_context->bandsVideo.size()- 1))
    {
        up_limit = dash_context->bandsVideo.size()- 1;
    }
    else
    {
        up_limit = *n + 1;
    }
    if(*n == 0)
    {
        down_limit = 0;
    }
    else
    {
        down_limit = *n-1;
    }
    int map_buffer_to_rate = ((dash_context->videoBufferFullness - reservoir) * ((double)(dash_context->bandsVideo.size() - 1)/cushion));
    if(dash_context->videoBufferFullness <= reservoir)
    {
        *n = 0;
    }
    else if(dash_context->videoBufferFullness >= (reservoir + cushion))
    {
        *n = dash_context->bandsVideo.size()-1;
    }
    else if(map_buffer_to_rate >= up_limit)
    {
        *n = map_buffer_to_rate - 1;
    }
    else if(map_buffer_to_rate <= down_limit)
    {
        *n = map_buffer_to_rate + 1;
    }
    else
    {
        DBG_VERBOSE("quality same as previous\n");
    }
    DBG_VERBOSE("BUFFER = %lf\n", dash_context->videoBufferFullness);
    DBG_VERBOSE("SPEED = %d\n", speed * 8);
    DBG_VERBOSE("QUALITY = %d\n", *n);
    if(dash_context->videoBufferFullness >= (reservoir + cushion))
    {
        usleep(1000 * 1000 * (dash_context->videoBufferFullness - (reservoir + cushion)));
    }

}