public unsafe static void Save(Song song, string filename, int sampleRate, int loopCount, int duration, int channelMask, bool separateFiles, bool separateIntro, Action <short[], string> function)
{
var project = song.Project;
var introDuration = separateIntro ? GetIntroDuration(song, sampleRate) : 0;
if (separateFiles)
{
for (int channelIdx = 0; channelIdx < song.Channels.Length; channelIdx++)
{
var channelBit = 1 << channelIdx;
if ((channelBit & channelMask) != 0)
{
var player = new WavPlayer(sampleRate, loopCount, channelBit);
var samples = player.GetSongSamples(song, project.PalMode, duration);
if (introDuration > 0)
{
var loopSamples = new short[samples.Length - introDuration];
Array.Copy(samples, introDuration, loopSamples, 0, loopSamples.Length);
Array.Resize(ref samples, introDuration);
var channelIntroFileName = Utils.AddFileSuffix(filename, "_" + song.Channels[channelIdx].ShortName + "_Intro");
var channelLoopFileName = Utils.AddFileSuffix(filename, "_" + song.Channels[channelIdx].ShortName);
function(samples, channelIntroFileName);
function(loopSamples, channelLoopFileName);
}
else
{
var channelFileName = Utils.AddFileSuffix(filename, "_" + song.Channels[channelIdx].ShortName);
function(samples, channelFileName);
}
}
}
}
else
{
var player = new WavPlayer(sampleRate, loopCount, channelMask);
var samples = player.GetSongSamples(song, project.PalMode, duration);
if (introDuration > 0)
{
var loopSamples = new short[samples.Length - introDuration];
Array.Copy(samples, introDuration, loopSamples, 0, loopSamples.Length);
Array.Resize(ref samples, introDuration);
var introFileName = Utils.AddFileSuffix(filename, "_Intro");
var loopFileName = filename;
function(samples, introFileName);
function(loopSamples, loopFileName);
}
else
{
function(samples, filename);
}
}
}
private void ExportWavMp3()
{
var props = dialog.GetPropertyPage((int)ExportFormat.WavMp3);
var format = props.GetPropertyValue <string>(1);
var filename = "";
if (format == "MP3")
{
filename = lastExportFilename != null ? lastExportFilename : PlatformUtils.ShowSaveFileDialog("Export MP3 File", "MP3 Audio File (*.mp3)|*.mp3", ref Settings.LastExportFolder);
}
else
{
filename = lastExportFilename != null ? lastExportFilename : PlatformUtils.ShowSaveFileDialog("Export Wave File", "Wave Audio File (*.wav)|*.wav", ref Settings.LastExportFolder);
}
if (filename != null)
{
var songName = props.GetPropertyValue <string>(0);
var sampleRate = Convert.ToInt32(props.GetPropertyValue <string>(2), CultureInfo.InvariantCulture);
var bitRate = Convert.ToInt32(props.GetPropertyValue <string>(3), CultureInfo.InvariantCulture);
var loopCount = props.GetPropertyValue <string>(4) != "Duration" ? props.GetPropertyValue <int>(5) : -1;
var duration = props.GetPropertyValue <string>(4) == "Duration" ? props.GetPropertyValue <int>(6) : -1;
var separateFiles = props.GetPropertyValue <bool>(7);
var selectedChannels = props.GetPropertyValue <bool[]>(8);
var song = project.GetSong(songName);
if (separateFiles)
{
for (int i = 0; i < selectedChannels.Length; i++)
{
if (selectedChannels[i])
{
var channelFilename = Utils.AddFileSuffix(filename, "_" + song.Channels[i].ShortName);
if (format == "MP3")
{
Mp3File.Save(song, channelFilename, sampleRate, bitRate, loopCount, duration, 1 << i);
}
else
{
WaveFile.Save(song, channelFilename, sampleRate, loopCount, duration, 1 << i);
}
}
}
}
else
{
var channelMask = 0;
for (int i = 0; i < selectedChannels.Length; i++)
{
if (selectedChannels[i])
{
channelMask |= (1 << i);
}
}
if (format == "MP3")
{
Mp3File.Save(song, filename, sampleRate, bitRate, loopCount, duration, channelMask);
}
else
{
WaveFile.Save(song, filename, sampleRate, loopCount, duration, channelMask);
}
}
lastExportFilename = filename;
}
}
private void WavMp3Export(string filename, bool mp3)
{
var extension = mp3 ? "mp3" : "wav";
if (!ValidateExtension(filename, "." + extension))
{
return;
}
var songIndex = ParseOption("export-song", 0);
var sampleRate = ParseOption($"{extension}-export-rate", 44100);
var loopCount = ParseOption($"{extension}-export-loop", 1);
var duration = ParseOption($"{extension}-export-duration", 0);
var mask = ParseOption($"{extension}-export-channels", 0xff, true);
var separate = HasOption($"{extension}-export-separate-channels");
var bitrate = ParseOption($"{extension}-export-bitrate", 192);
var song = GetProjectSong(songIndex);
if (duration > 0)
{
loopCount = -1;
}
else
{
loopCount = Math.Max(1, loopCount);
}
if (song != null)
{
if (separate)
{
for (int i = 0; i < song.Channels.Length; i++)
{
if ((mask & (1 << i)) != 0)
{
var channelFilename = Utils.AddFileSuffix(filename, "_" + song.Channels[i].ExportName);
if (mp3)
{
Mp3File.Save(song, channelFilename, sampleRate, bitrate, loopCount, duration, 1 << i);
}
else
{
WaveFile.Save(song, channelFilename, sampleRate, loopCount, duration, 1 << i);
}
}
}
}
else
{
if (mp3)
{
Mp3File.Save(song, filename, sampleRate, bitrate, loopCount, duration, mask);
}
else
{
WaveFile.Save(song, filename, sampleRate, loopCount, duration, mask);
}
}
}
}
public unsafe static void Save(Song song, string filename, int sampleRate, int loopCount, int duration, int channelMask, bool separateFiles, bool separateIntro, bool stereo, float[] pan, Action <short[], int, string> function)
{
var project = song.Project;
var introDuration = separateIntro ? GetIntroDuration(song, sampleRate) : 0;
if (channelMask == 0)
{
return;
}
if (separateFiles)
{
for (int channelIdx = 0; channelIdx < song.Channels.Length; channelIdx++)
{
var channelBit = 1 << channelIdx;
if ((channelBit & channelMask) != 0)
{
var player = new WavPlayer(sampleRate, loopCount, channelBit, Settings.SeparateChannelsExportTndMode);
var samples = player.GetSongSamples(song, project.PalMode, duration);
if (introDuration > 0)
{
var loopSamples = new short[samples.Length - introDuration];
Array.Copy(samples, introDuration, loopSamples, 0, loopSamples.Length);
Array.Resize(ref samples, introDuration);
var channelIntroFileName = Utils.AddFileSuffix(filename, "_" + song.Channels[channelIdx].ShortName + "_Intro");
var channelLoopFileName = Utils.AddFileSuffix(filename, "_" + song.Channels[channelIdx].ShortName);
function(samples, 1, channelIntroFileName);
function(loopSamples, 1, channelLoopFileName);
}
else
{
var channelFileName = Utils.AddFileSuffix(filename, "_" + song.Channels[channelIdx].ShortName);
function(samples, 1, channelFileName);
}
}
}
}
else
{
var numChannels = 1;
var samples = (short[])null;
if (stereo)
{
// Get all the samples for all channels.
var channelSamples = new short[song.Channels.Length][];
var numStereoSamples = 0;
for (int channelIdx = 0; channelIdx < song.Channels.Length; channelIdx++)
{
var channelBit = 1 << channelIdx;
if ((channelBit & channelMask) != 0)
{
var player = new WavPlayer(sampleRate, loopCount, channelBit, NesApu.TND_MODE_SEPARATE);
channelSamples[channelIdx] = player.GetSongSamples(song, project.PalMode, duration);
numStereoSamples = Math.Max(numStereoSamples, channelSamples[channelIdx].Length);
}
}
// Mix and interleave samples.
samples = new short[numStereoSamples * 2];
for (int i = 0; i < numStereoSamples; i++)
{
float l = 0;
float r = 0;
for (int j = 0; j < channelSamples.Length; j++)
{
if (channelSamples[j] != null)
{
float sl = 1.0f - Utils.Clamp(2.0f * (pan[j] - 0.5f), 0.0f, 1.0f);
float sr = 1.0f - Utils.Clamp(-2.0f * (pan[j] - 0.5f), 0.0f, 1.0f);
l += channelSamples[j][i] * sl;
r += channelSamples[j][i] * sr;
}
}
samples[i * 2 + 0] = (short)Utils.Clamp((int)Math.Round(l), short.MinValue, short.MaxValue);
samples[i * 2 + 1] = (short)Utils.Clamp((int)Math.Round(r), short.MinValue, short.MaxValue);
}
numChannels = 2;
introDuration *= 2;
}
else
{
var player = new WavPlayer(sampleRate, loopCount, channelMask);
samples = player.GetSongSamples(song, project.PalMode, duration);
}
if (introDuration > 0)
{
var loopSamples = new short[samples.Length - introDuration];
Array.Copy(samples, introDuration, loopSamples, 0, loopSamples.Length);
Array.Resize(ref samples, introDuration);
var introFileName = Utils.AddFileSuffix(filename, "_Intro");
var loopFileName = filename;
function(samples, numChannels, introFileName);
function(loopSamples, numChannels, loopFileName);
}
else
{
function(samples, numChannels, filename);
}
}
}