public void TestFlushAfterShift()
{
short[] buffer1 = { 1, 2, 3, 4, 5 };
short[] buffer2 = { 6, 7, 8 };
short[] tmp = new short[10];
CombinedBuffer buffer = new CombinedBuffer(buffer1, 5, buffer2, 3);
buffer.Shift(6);
for (int i = 0; i < 10; i++)
{
Assert.AreEqual(0, tmp[i]);
}
buffer.Flush(tmp);
Assert.AreEqual(6, buffer.Offset);
for (int i = 0; i < 2; i++)
{
Assert.AreEqual(7 + i, tmp[i]);
}
for (int i = 2; i < 10; i++)
{
Assert.AreEqual(0, tmp[i]);
}
}
public void Consume(short[] input, int length)
{
// Special case, just pre-filling the buffer
if (m_buffer_offset + length < m_frame_size)
{
Array.Copy(input, 0, m_buffer, m_buffer_offset, length);
m_buffer_offset += length;
return;
}
// Apply FFT on the available data
CombinedBuffer combined_buffer = new CombinedBuffer(m_buffer, m_buffer_offset, input, length);
while (combined_buffer.Size >= m_frame_size)
{
combined_buffer.Read(m_input, 0, m_frame_size);
m_lib.ComputeFrame(m_input, m_frame.Data);
m_consumer.Consume(m_frame);
combined_buffer.Shift(m_increment);
}
// Copy the remaining input data to the internal buffer
combined_buffer.Flush(m_buffer);
m_buffer_offset = combined_buffer.Size;
}
public void Consume(short[] input, int length)
{
// Special case, just pre-filling the buffer
if (m_buffer_offset + length < m_frame_size)
{
Array.Copy(input, 0, m_buffer, m_buffer_offset, length);
m_buffer_offset += length;
return;
}
// Apply FFT on the available data
CombinedBuffer combined_buffer = new CombinedBuffer(m_buffer, m_buffer_offset, input, length);
while (combined_buffer.Size >= m_frame_size)
{
combined_buffer.Read(m_input, 0, m_frame_size);
m_lib.ComputeFrame(m_input, m_frame.Data);
m_consumer.Consume(m_frame);
combined_buffer.Shift(m_increment);
}
// Copy the remaining input data to the internal buffer
combined_buffer.Flush(m_buffer);
m_buffer_offset = combined_buffer.Size;
}
public void TestSize()
{
short[] buffer1 = { 1, 2, 3, 4, 5 };
short[] buffer2 = { 6, 7, 8 };
CombinedBuffer buffer = new CombinedBuffer(buffer1, 5, buffer2, 3);
Assert.AreEqual(8, buffer.Size);
buffer.Shift(1);
Assert.AreEqual(7, buffer.Size);
}
public void TestAccessElements()
{
short[] buffer1 = { 1, 2, 3, 4, 5 };
short[] buffer2 = { 6, 7, 8 };
CombinedBuffer buffer = new CombinedBuffer(buffer1, 5, buffer2, 3);
for (int i = 0; i < 8; i++)
{
Assert.AreEqual(1 + i, buffer[i]);
}
buffer.Shift(1);
Assert.AreEqual(1, buffer.Offset);
for (int i = 0; i < 7; i++)
{
Assert.AreEqual(2 + i, buffer[i]);
}
buffer.Shift(5);
Assert.AreEqual(6, buffer.Offset);
for (int i = 0; i < 2; i++)
{
Assert.AreEqual(7 + i, buffer[i]);
}
}
public void TestReadAfterShift()
{
short[] buffer1 = { 1, 2, 3, 4, 5 };
short[] buffer2 = { 6, 7, 8 };
short[] tmp = new short[10];
CombinedBuffer buffer = new CombinedBuffer(buffer1, 5, buffer2, 3);
// Offset 2
buffer.Shift(2);
int size = buffer.Read(tmp, 0, 4);
Assert.AreEqual(2, buffer.Offset);
Assert.AreEqual(4, size);
for (int i = 0; i < size; i++)
{
Assert.AreEqual(3 + i, tmp[i]);
}
// Offset 4
buffer.Shift(2);
size = buffer.Read(tmp, 0, 4);
Assert.AreEqual(4, buffer.Offset);
Assert.AreEqual(4, size);
for (int i = 0; i < size; i++)
{
Assert.AreEqual(5 + i, tmp[i]);
}
// Offset 6
buffer.Shift(2);
size = buffer.Read(tmp, 0, 4);
Assert.AreEqual(6, buffer.Offset);
Assert.AreEqual(2, size);
for (int i = 0; i < size; i++)
{
Assert.AreEqual(7 + i, tmp[i]);
}
}
