/// <summary>
/// Play the specified sound file.
/// </summary>
/// <param name='fileName'>
/// true if successful, false if an error occurs
/// </param>
public bool StartPlaying(string fileName)
{
if (!File.Exists(fileName))
{
return(false);
}
if (IsPlaying || IsRecording)
{
return(false);
}
_info = new SF_INFO();
_hsf = sf_open(fileName, SF_Mode.READ, ref _info);
if (_hsf == IntPtr.Zero)
{
ShowError(String.Format("Sound player cannot open {0}", fileName));
return(false);
}
_filename = fileName;
_fAsyncQuit = false;
// Create the thread object, passing in the Record method
// via a ThreadStart delegate. This does not start the thread.
_playbackThread = new Thread(new ThreadStart(Play));
// Start the thread
_playbackThread.Start();
// Wait for the started thread to become alive:
while (!_playbackThread.IsAlive)
{
;
}
return(true);
}
GetSoundFileType(string filename, ref SF_INFO soundInfo)
{
// Open file, pass it reference
// to SF_INFO structure
IntPtr errorRef = sf_open(filename,
(int)fileMode.SFM_READ, ref soundInfo);
int status = sf_error(errorRef);
int c = sf_close(errorRef);
// return success or error
return(status);
}
/// <summary>
/// Play the specified sound file.
/// </summary>
/// <param name='fileName'>
/// true if successful, false if an error occurs
/// </param>
public bool StartPlaying(string fileName)
{
if (!File.Exists(fileName))
return false;
if (IsPlaying || IsRecording)
return false;
_info = new SF_INFO();
_hsf = sf_open(fileName, SF_Mode.READ, ref _info);
if (_hsf == IntPtr.Zero)
{
ShowError(String.Format("Sound player cannot open {0}", fileName));
return false;
}
_filename = fileName;
_fAsyncQuit = false;
// Create the thread object, passing in the Record method
// via a ThreadStart delegate. This does not start the thread.
_playbackThread = new Thread(new ThreadStart(Play));
// Start the thread
_playbackThread.Start();
// Wait for the started thread to become alive:
while (!_playbackThread.IsAlive)
;
return true;
}
internal static extern IntPtr sf_open(string path, SF_Mode mode, ref SF_INFO info);
//program entry
static void Main( )
{
//declarations
SF_INFO sfinfo = new SF_INFO();
float[] buffer = new float[BUFFER_LEN];
sf_count_t rcnt;
//set the input file
string sfn = "input.wav"; //set to a file on YOUR system
//string sfn = "noexist.wav"; //test with non-existent file
//set the output file
string ofn = "output.wav";
//read in sound file to convert
IntPtr infile = sf_open(sfn, (int)lsndf_tf.SFM_READ, ref sfinfo);
//exit if error was thrown
if ((int)infile == 0)
{
Console.WriteLine("Error opening " + sfn);
Console.WriteLine("Error #" + sf_error(infile));
return;
}
//set the file type for the output file
//uncomment one and only one of the statements below to change the output
//file encoding.
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_PCM_U8);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_PCM_16);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_MS_ADPCM);
sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_IMA_ADPCM);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_GSM610);
/* Soundforge W64. */
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_PCM_U8);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_PCM_16);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_MS_ADPCM);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_IMA_ADPCM);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_GSM610);
//check that SF_INFO is valid
if (sf_format_check(ref sfinfo) == 0)
{
Console.WriteLine("sf_format_check failed. Invalid encoding");
return;
}
//open output file
IntPtr outfile = sf_open(ofn, (int)lsndf_tf.SFM_WRITE, ref sfinfo);
//exit if error was thrown
if ((int)outfile == 0)
{
Console.WriteLine("Error opening " + ofn);
Console.WriteLine("Error #" + sf_error(outfile));
return;
}
//infile -> outfile
Console.Write(sfn + " -> " + ofn);
while ((rcnt = sf_read_float(infile, buffer, BUFFER_LEN)) > 0)
{
Console.Write(".");
sf_write_float(outfile, buffer, BUFFER_LEN);
}
Console.WriteLine("done.");
//close up shop
sf_close(infile);
sf_close(outfile);
} //main()
static extern int sf_format_check(ref SF_INFO info);
public static extern IntPtr sf_open([MarshalAs(UnmanagedType.LPStr)] string path, int mode, ref SF_INFO sfinfo);
internal static extern IntPtr sf_open(string path, SF_Mode mode, ref SF_INFO info);
// Class methods hence
// Return information about sound file
public int GetSoundFileType(string filename, ref SF_INFO soundInfo)
{
// Open file, pass it reference
// to SF_INFO structure
IntPtr errorRef = sf_open (filename,
(int)fileMode.SFM_READ, ref soundInfo);
int status = sf_error(errorRef);
int c = sf_close(errorRef);
// return success or error
return status;
}
public static extern IntPtr sf_open_fd(int fd, int mode,
ref SF_INFO soundInfo, int close_desc);
public static extern IntPtr sf_open([MarshalAs(UnmanagedType.LPStr)] string path,
int mode,
ref SF_INFO soundInfo);
public static extern int sf_format_check(ref SF_INFO info);
sf_format_check(ref SF_INFO info);
sf_open_fd(int fd, int mode,
ref SF_INFO soundInfo, int close_desc);
sf_open([MarshalAs(UnmanagedType.LPStr)] string path,
int mode,
ref SF_INFO soundInfo);
//program entry
static void Main( ) {
//declarations
SF_INFO sfinfo = new SF_INFO();
float[] buffer = new float[BUFFER_LEN];
sf_count_t rcnt;
//set the input file
string sfn = "input.wav"; //set to a file on YOUR system
//string sfn = "noexist.wav"; //test with non-existent file
//set the output file
string ofn = "output.wav";
//read in sound file to convert
IntPtr infile = sf_open (sfn, (int)lsndf_tf.SFM_READ, ref sfinfo);
//exit if error was thrown
if ( (int)infile == 0 ) {
Console.WriteLine("Error opening " + sfn);
Console.WriteLine("Error #" + sf_error(infile));
return;
}
//set the file type for the output file
//uncomment one and only one of the statements below to change the output
//file encoding.
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_PCM_U8);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_PCM_16);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_MS_ADPCM);
sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_IMA_ADPCM);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_WAV | lsndf_frmts.SF_FORMAT_GSM610);
/* Soundforge W64. */
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_PCM_U8);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_PCM_16);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_MS_ADPCM);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_IMA_ADPCM);
//sfinfo.format = (int)(lsndf_frmts.SF_FORMAT_W64 | lsndf_frmts.SF_FORMAT_GSM610);
//check that SF_INFO is valid
if ( sf_format_check(ref sfinfo) == 0 ) {
Console.WriteLine("sf_format_check failed. Invalid encoding");
return;
}
//open output file
IntPtr outfile = sf_open (ofn, (int)lsndf_tf.SFM_WRITE, ref sfinfo);
//exit if error was thrown
if ( (int)outfile == 0 ) {
Console.WriteLine("Error opening " + ofn);
Console.WriteLine("Error #" + sf_error(outfile));
return;
}
//infile -> outfile
Console.Write(sfn + " -> " + ofn);
while ( (rcnt = sf_read_float (infile, buffer, BUFFER_LEN)) > 0) {
Console.Write(".");
sf_write_float (outfile, buffer, BUFFER_LEN);
}
Console.WriteLine("done.");
//close up shop
sf_close(infile);
sf_close(outfile);
} //main()
