static void write_sampled_instrument_to_bytearray(SampledInstrument sampled_instrument, List <byte> arr)
{
arr.AddRange(BitConverter.GetBytes(sampled_instrument.data_1));
arr.AddRange(BitConverter.GetBytes(sampled_instrument.data_2));
arr.AddRange(BitConverter.GetBytes(sampled_instrument.data_3));
arr.AddRange(BitConverter.GetBytes(sampled_instrument.sample_size));
arr.AddRange(sampled_instrument.sample_pcm_data);
}
static SampledInstrument extract_sampled_instrument(byte[] file_contents, int sampled_instrument_address)
{
SampledInstrument sampled_instrument = new SampledInstrument();
sampled_instrument.data_1 = read_32_bit_from_file_at_offset(file_contents, sampled_instrument_address);
sampled_instrument.invalid = (read_8_bit_from_file_at_offset(file_contents, sampled_instrument_address) +
read_8_bit_from_file_at_offset(file_contents, sampled_instrument_address + 1) +
read_8_bit_from_file_at_offset(file_contents, sampled_instrument_address + 2)) != 0;
sampled_instrument_address += 4;
sampled_instrument.data_2 = read_32_bit_from_file_at_offset(file_contents, sampled_instrument_address);
sampled_instrument_address += 4;
sampled_instrument.data_3 = read_32_bit_from_file_at_offset(file_contents, sampled_instrument_address);
sampled_instrument_address += 4;
sampled_instrument.sample_size = read_32_bit_from_file_at_offset(file_contents, sampled_instrument_address);
sampled_instrument_address += 4;
sampled_instrument.sample_pcm_data = new List <byte>();
if (sampled_instrument.invalid)
{
System.Console.WriteLine("Invalid Sampled Instrument!");
sampled_instrument.sample_size = 0;
return(sampled_instrument);
}
System.Console.WriteLine("Sample size: " + sampled_instrument.sample_size.ToString("X"));
if (sampled_instrument.sample_size > SAMPLE_SIZE_LIMIT)
{
System.Console.WriteLine("-------------------------------------------------------------------------------------------------------");
System.Console.WriteLine("Sample size too large, capping it to " + SAMPLE_SIZE_LIMIT.ToString("X"));
System.Console.WriteLine("-------------------------------------------------------------------------------------------------------");
sampled_instrument.sample_size = SAMPLE_SIZE_LIMIT;
}
for (int idx = 0; idx < sampled_instrument.sample_size; ++idx)
{
sampled_instrument.sample_pcm_data.Add(read_8_bit_from_file_at_offset(file_contents, sampled_instrument_address));
sampled_instrument_address += 1;
}
return(sampled_instrument);
}
