/// <summary>
/// Create and return new video codec applicable for byte buffer data
/// </summary>
/// <param name="data">Byte buffer data.</param>
/// <returns>Video codec.</returns>
public IVideoStreamCodec GetVideoCodec(ByteBuffer data)
{
IVideoStreamCodec result = null;
//get the codec identifying byte
int codecId = data.Get() & 0x0f;
switch (codecId)
{
case 2: //sorenson
result = new SorensonVideo();
break;
case 3: //screen video
result = new ScreenVideo();
break;
case 7: //avc/h.264 video
result = new AVCVideo();
break;
}
data.Rewind();
if (result == null)
{
IVideoStreamCodec codec;
foreach (IVideoStreamCodec storedCodec in _codecs)
{
// XXX: this is a bit of a hack to create new instances of the
// configured video codec for each stream
try
{
codec = Activator.CreateInstance(storedCodec.GetType()) as IVideoStreamCodec;
}
catch (Exception ex)
{
log.Error("Could not create video codec instance.", ex);
continue;
}
log.Info("Trying codec " + codec);
if (codec.CanHandleData(data))
{
result = codec;
break;
}
}
}
return(result);
}
/// <summary>
/// Create and return new video codec applicable for byte buffer data
/// </summary>
/// <param name="data">Byte buffer data.</param>
/// <returns>Video codec.</returns>
public IVideoStreamCodec GetVideoCodec(ByteBuffer data) {
IVideoStreamCodec result = null;
//get the codec identifying byte
int codecId = data.Get() & 0x0f;
switch (codecId) {
case 2: //sorenson
result = new SorensonVideo();
break;
case 3: //screen video
result = new ScreenVideo();
break;
case 7: //avc/h.264 video
result = new AVCVideo();
break;
}
data.Rewind();
if (result == null) {
IVideoStreamCodec codec;
foreach (IVideoStreamCodec storedCodec in _codecs) {
// XXX: this is a bit of a hack to create new instances of the
// configured video codec for each stream
try {
codec = Activator.CreateInstance(storedCodec.GetType()) as IVideoStreamCodec;
} catch (Exception ex) {
log.Error("Could not create video codec instance.", ex);
continue;
}
log.Info("Trying codec " + codec);
if (codec.CanHandleData(data)) {
result = codec;
break;
}
}
}
return result;
}
