private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
{
System.GC.Collect();
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "波形文件|*.wav";
if (dlg.ShowDialog() == DialogResult.OK)
{
_wr = new WAVReader();
_wr.ReadWAVFile(dlg.FileName);
关闭文件ToolStripMenuItem.Enabled = true;
myChart.Datas = _wr.GetData();
myChart.sample_frequent = _wr.GetSamplesPerSec();
trackBar_move.Maximum = _wr.GetData().Length;
this.Text = "WaveViewer — " + dlg.SafeFileName;
AllMenuInitial(true);
myChart.Refresh();
}
}
private void button_play_Click(object sender, EventArgs e)
{
if (_wr != null && _wr.GetData() != null)
{
if (myChart.ChooseAreaMin < myChart.ChooseAreaMax)
{
_player = new PCMPlayer(_wr.GetData(),
myChart.ChooseAreaMin,
myChart.ChooseAreaMax,
_wr.GetNum_Channels(), _wr.GetSamplesPerSec(), (short)_wr.GetBitsPerSample());
}
else
{
_player = new PCMPlayer(_wr.GetData(),
0,
_wr.GetData().Length,
_wr.GetNum_Channels(), _wr.GetSamplesPerSec(), (short)_wr.GetBitsPerSample());
}
_player.Play();
}
}