private void SetMPEG4Configuration(
Media.VideoEncoderConfiguration config,
Media.Mpeg4Options options,
Media.VideoResolution resolution,
int?framerate,
int?bitrate)
{
config.Encoding = Media.VideoEncoding.MPEG4;
config.MPEG4 = new Media.Mpeg4Configuration();
config.MPEG4.GovLength = options.GovLengthRange.Max < 30 ? options.GovLengthRange.Max : 30;
if (config.MPEG4.GovLength < options.GovLengthRange.Min)
{
config.MPEG4.GovLength = options.GovLengthRange.Min;
}
if (options.Mpeg4ProfilesSupported.Length > 0)
{
config.MPEG4.Mpeg4Profile = options.Mpeg4ProfilesSupported[0];
}
if ((config.RateControl == null) && (framerate.HasValue || bitrate.HasValue))
{
config.RateControl = new Media.VideoRateControl();
}
if (config.RateControl != null)
{
config.RateControl.FrameRateLimit = framerate.HasValue ? framerate.Value : options.FrameRateRange.Max;
config.RateControl.EncodingInterval = options.EncodingIntervalRange.Min;
if (bitrate.HasValue)
{
config.RateControl.BitrateLimit = bitrate.Value;
}
}
config.Resolution = resolution;
}
public void ShowVideo(Media.MediaUri uri, Media.VideoEncoderConfiguration encoder)
{
try
{
_videoWindow = new VideoContainer();
DeviceEnvironment environment = ContextController.GetDeviceEnvironment();
int messageTimeout = environment.Timeouts.Message;
VideoUtils.AdjustVideo(
_videoWindow,
environment.Credentials.UserName,
environment.Credentials.Password,
messageTimeout,
Media.TransportProtocol.UDP,
Media.StreamType.RTPUnicast,
uri,
encoder);
_videoWindow.KEEPALIVE = true;
_videoWindow.OpenWindow(false);
Invoke(new Action(() => { btnVideo.Text = "Stop Video"; }));
}
catch
{
_videoWindow = null;
throw;
}
}
/// <summary>
/// Get stream uri with specified configurations
/// </summary>
/// <param name="profile"></param>
/// <param name="videoSourceConfig">Video source configuration</param>
/// <param name="videoEncoderConfig">Video encoder configuration</param>
/// <param name="audioSourceConfig">Audio source configuration</param>
/// <param name="audioEncoderConfig">Audio encoder configuration</param>
/// <param name="protocol"></param>
public void GetMediaUri(
Media.Profile profile,
Media.VideoSourceConfiguration videoSourceConfig,
Media.VideoEncoderConfiguration videoEncoderConfig,
Media.AudioSourceConfiguration audioSourceConfig,
Media.AudioEncoderConfiguration audioEncoderConfig,
Media.TransportProtocol protocol)
{
if ((videoEncoderConfig == null) || (videoSourceConfig == null))
{
throw new ArgumentNullException();
}
string address = View.MediaAddress;
_mediaClientWorking = true;
InitializeMediaClient(address);
_mediaClient.GetMediaUri(profile, videoSourceConfig, videoEncoderConfig, audioSourceConfig, audioEncoderConfig, protocol);
}
private void SetJPEGConfiguration(
Media.VideoEncoderConfiguration config,
Media.JpegOptions options,
Media.VideoResolution resolution,
int?framerate,
int?bitrate)
{
config.Encoding = Media.VideoEncoding.JPEG;
if ((config.RateControl == null) && (framerate.HasValue || bitrate.HasValue))
{
config.RateControl = new Media.VideoRateControl();
}
if (config.RateControl != null)
{
config.RateControl.FrameRateLimit = framerate.HasValue ? framerate.Value : options.FrameRateRange.Max;
config.RateControl.EncodingInterval = options.EncodingIntervalRange.Min;
if (bitrate.HasValue)
{
config.RateControl.BitrateLimit = bitrate.Value;
}
}
config.Resolution = resolution;
}
/// <summary>
/// Handles media uri received event
/// </summary>
protected void OnMediaUriReceived(Media.MediaUri uri, Media.VideoEncoderConfiguration encoder, Media.AudioEncoderConfiguration audio)
{
View.ShowVideo(uri, encoder, audio);
}
