private void txtHours_TextChanged(object sender, EventArgs e)
{
try
{
Double duration = 0.0;
Double audioSize = 0.0;
Double audioBitrate = 0.0;
AudioValueType audioValueType = AudioValueType.AudioBitrate;
Double audioValue = 0.0;
Double videoSize = 0.0;
duration = brCalc.GetSecondsFromTime(Int32.Parse(txtHours.Text), Int32.Parse(txtMinutes.Text), Int32.Parse(txtSeconds.Text));
txtCalculatedDuration.Text = duration.ToString("#.00");
if (radioUseAudioBitrate.Checked)
{
audioSize = brCalc.BitrateToSize(AcHelper.DoubleParse(txtAudioBitrate.Text), duration) / 1024.0 / 1024.0;
txtAudioSize.Text = (audioSize).ToString("#.00");
audioValueType = AudioValueType.AudioBitrate;
audioValue = AcHelper.DoubleParse(txtAudioBitrate.Text);
}
else if (radioUseAudioSize.Checked)
{
audioBitrate = brCalc.SizeToBitrate(AcHelper.DoubleParse(txtAudioSize.Text) * 1024.0 * 1024.0, duration);
txtAudioBitrate.Text = audioBitrate.ToString("#.00");
audioValueType = AudioValueType.AudioFileSize;
audioValue = AcHelper.DoubleParse(txtAudioSize.Text) * 1024.0 * 1024.0;
audioSize = audioValue;
}
if (radioUseVideoBitrate.Checked)
{
videoSize = brCalc.BitrateToSize(AcHelper.DoubleParse(txtTargetVideoBitrate.Text), duration);
txtTargetVideoFileSize.Text = (videoSize / 1024.0 / 1024.0).ToString("#.00");
txtTargetTotalFileSize.Text = ((videoSize + audioSize) / 1024.0 / 1024.0).ToString("#.00");// (brCalc.CalculateTarget(duration, audioValueType, audioValue, Video_Value_Type.Video_Bitrate, AcHelper.DoubleParse(txtTargetVideoBitrate.Text)) / 1024.0 / 1024.0).ToString("#.00");
}
else if (radioUseTotalFileSize.Checked)
{
txtTargetVideoBitrate.Text = brCalc.CalculateTarget(duration, audioValueType, audioValue, VideoValueType.TotalFileSize, AcHelper.DoubleParse(txtTargetTotalFileSize.Text) * 1024.0 * 1024.0).ToString("#.00");
videoSize = brCalc.BitrateToSize(AcHelper.DoubleParse(txtTargetVideoBitrate.Text), duration);
txtTargetVideoFileSize.Text = (videoSize / 1024.0 / 1024.0).ToString("#.00");
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
/// <summary>
///
/// </summary>
/// <param name="duration">in seconds</param>
/// <param name="audioValueType"></param>
/// <param name="audioValue">in kbps for bitrate, in bytes for size</param>
/// <param name="videoValueType"></param>
/// <param name="videoValue">in kbps for bitrate, in bytes for size</param>
/// <returns></returns>
public Double CalculateTarget(Double duration, AudioValueType audioValueType, Double audioValue,
VideoValueType videoValueType, Double videoValue)
{
Double targetValue = 0.0;
Double audioSize = 0.0;
Double videoSize = 0.0;
switch (audioValueType)
{
case AudioValueType.AudioBitrate:
audioSize = BitrateToSize(audioValue, duration);
break;
case AudioValueType.AudioFileSize:
audioSize = audioValue;
break;
}
switch (videoValueType)
{
case VideoValueType.TotalFileSize:
//Target Value is video bitrate
targetValue = SizeToBitrate(videoValue - audioSize, duration);
break;
case VideoValueType.VideoFileSize:
//Target Value is video bitrate
targetValue = SizeToBitrate(videoValue, duration);
break;
case VideoValueType.VideoBitrate:
//Target Value is total filesize
videoSize = BitrateToSize(videoValue, duration);
targetValue = audioSize + videoSize;
break;
default:
break;
}
return(targetValue);
}
