/// <summary>
/// Allocate storage for all buffers. This should be called after CreateBufferIndex,
/// after SetMediaTypes and before Start. Also create the audio mixer here.
/// </summary>
/// <returns></returns>
public bool CreateBuffers()
{
if ((audioMediaType == null) || (videoMediaType == null))
{
return(false);
}
UW.CSE.MDShow.MediaTypeWaveFormatEx wf = audioMediaType.ToMediaTypeWaveFormatEx();
audioMixer = new AudioMixer(wf.WaveFormatEx.BitsPerSample, wf.WaveFormatEx.AvgBytesPerSec, wf.WaveFormatEx.Channels);
if (videoBuffer != null)
{
if (!videoBuffer.Create(videoMediaType))
{
return(false);
}
}
else
{
return(false);
}
lock (this)
{
foreach (AudioBuffer ab in audioBuffers.Values)
{
if (!ab.Create())
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Allocate and configure one of the temp buffers. These are to be used in preparation for
/// switching sources while encoding.
/// </summary>
/// <param name="index"></param>
/// <param name="mt"></param>
public void CreateTempBuffer(int index, UW.CSE.MDShow.MediaType mt)
{
if ((tmpVideoBuffer != null) && (tmpVideoBuffer.Index == index))
{
tmpVideoMediaType = mt;
tmpVideoBuffer.Create(mt);
}
else if ((tmpAudioBuffer != null) && (tmpAudioBuffer.Index == index))
{
tmpAudioMediaType = mt;
tmpAudioBuffer.AudioMediaType = mt;
tmpAudioBuffer.Create();
}
}