private bool UploadSound(byte[] soundBuffer)
{
int chunkHeaderLen = 0;
byte[] chunkHeader = Zd2911Utils.CreateChunkHeader(soundBuffer, dataChunk);
int len = BitConverter.ToInt32(chunkHeader, 4);
int downSize = len + 4;
byte[] downData = new byte[downSize];
Array.Copy(chunkHeader, 4, downData, 0, 4);
Array.Copy(soundBuffer, dataChunk + chunkHeaderLen, downData, 4, len);
int unit = 1024 * 60, i;
bool result = false;
int n = (int)downSize / unit;
object extraProperty = new object();
object extraData = new object();
for (i = 0; i < n; i++)
{
byte[] dataBytes = new byte[unit];
Array.Copy(downData, i * unit, dataBytes, 0, unit);
List <int> soundParam = new List <int>();
soundParam.Add(cbo_SoundType.SelectedIndex + 8);
soundParam.Add(i * unit);
extraProperty = soundParam;
extraData = dataBytes;
result = deviceConnection.SetProperty(DeviceProperty.UploadSound, extraProperty, device, extraData);
if (false == result)
{
return(false);
}
}
n = downSize % unit;
if (n > 0)
{
byte[] dataBytes = new byte[n];
Array.Copy(downData, i * unit, dataBytes, 0, n);
List <int> soundParam = new List <int>();
soundParam.Add(cbo_SoundType.SelectedIndex + 8);
soundParam.Add(i * unit);
extraProperty = soundParam;
extraData = dataBytes;
result = deviceConnection.SetProperty(DeviceProperty.UploadSound, extraProperty, device, extraData);
if (false == result)
{
return(false);
}
}
return(result);
}
private bool CheckWaveFormat(byte[] buffer, ref int offSet)
{
offSet = 0;
string riff = Encoding.ASCII.GetString(buffer, 0, 4);
string wave = Encoding.ASCII.GetString(buffer, 8, 4);
string fmt = Encoding.ASCII.GetString(buffer, 12, 4);
if (false == riff.Equals("RIFF") || false == wave.Equals("WAVE") || false == fmt.Equals("fmt "))
{
MessageBox.Show("Incorrect Wave Format", "Pormpt", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
int waveFormatSize = BitConverter.ToInt32(buffer, 16);
byte[] waveBytes = new byte[18];
Array.Copy(buffer, 20, waveBytes, 0, waveBytes.Length);
UInt16 formatTag = BitConverter.ToUInt16(waveBytes, 0);
if (1 != formatTag)
{
MessageBox.Show("Audio Format is not PCM", "Pormpt", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
UInt16 channels = BitConverter.ToUInt16(waveBytes, 2);
if (1 != channels)
{
MessageBox.Show("Channels is not Stereo", "Pormpt", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
UInt32 samplesPerSec = BitConverter.ToUInt32(waveBytes, 4);
if (22050 != samplesPerSec)
{
MessageBox.Show("Audio sample rate is not 22.05KHZ", "Pormpt", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
UInt16 bitsPerSample = BitConverter.ToUInt16(waveBytes, 14);
if (16 != bitsPerSample)
{
MessageBox.Show("Audio sample size is not 8bit", "Pormpt", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
int chunkHeaderLen = 0;
int tmpOffSet = 20 + waveFormatSize;
byte[] chunkHeader = Zd2911Utils.CreateChunkHeader(buffer, tmpOffSet);
string fact = Encoding.ASCII.GetString(chunkHeader, 0, 4);
int len = BitConverter.ToInt32(chunkHeader, 4);
if (fact.Equals("fact"))
{
offSet = offSet + chunkHeaderLen + len;
}
offSet = tmpOffSet;
chunkHeader = Zd2911Utils.CreateChunkHeader(buffer, offSet);
string data = Encoding.ASCII.GetString(chunkHeader, 0, 4);
len = BitConverter.ToInt32(chunkHeader, 4);
if (false == data.Equals("data"))
{
MessageBox.Show("Incorrect Wave Format", "Pormpt", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
if (1024 * 75 < len)
{
MessageBox.Show("Data size is too big. Must be less than 75K byte", "Pormpt", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
return(true);
}