/// <summary>
/// Initializes a new instance of the <see cref="MediaEngine" /> class.
/// </summary>
/// <param name="parent">The associated parent object.</param>
/// <param name="connector">The parent implementing connector methods.</param>
/// <exception cref="InvalidOperationException">Thrown when the static Initialize method has not been called.</exception>
public MediaEngine(object parent, IMediaConnector connector)
{
// Associate the parent as the media connector that implements the callbacks
Parent = parent;
Connector = connector;
Commands = new CommandManager(this);
State = new MediaEngineState(this);
Timing = new TimingController(this);
// Don't start up timers or any other stuff if we are in design-time
if (Platform.IsInDesignTime)
{
return;
}
// Check initialization has taken place
lock (InitLock)
{
if (IsInitialized == false)
{
throw new InvalidOperationException(
$"{nameof(MediaEngine)} not initialized. Call the static method {nameof(Initialize)}");
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderingAudioEventArgs" /> class.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="length">The length.</param>
/// <param name="engineState">The engine.</param>
/// <param name="stream">The stream.</param>
/// <param name="startTime">The start time.</param>
/// <param name="duration">The duration.</param>
/// <param name="clock">The clock.</param>
internal RenderingAudioEventArgs(
byte[] buffer, int length, MediaEngineState engineState, StreamInfo stream, TimeSpan startTime, TimeSpan duration, TimeSpan clock)
: base(engineState, stream, startTime, duration, clock)
{
Buffer = buffer;
BufferLength = length;
SampleRate = Constants.Audio.SampleRate;
ChannelCount = Constants.Audio.ChannelCount;
BitsPerSample = Constants.Audio.BitsPerSample;
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderingSubtitlesEventArgs" /> class.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="originalText">The original text.</param>
/// <param name="format">The format.</param>
/// <param name="engineState">The engine.</param>
/// <param name="stream">The stream.</param>
/// <param name="startTime">The start time.</param>
/// <param name="duration">The duration.</param>
/// <param name="clock">The clock.</param>
internal RenderingSubtitlesEventArgs(
List <string> text,
List <string> originalText,
AVSubtitleType format,
MediaEngineState engineState,
StreamInfo stream,
TimeSpan startTime,
TimeSpan duration,
TimeSpan clock)
: base(engineState, stream, startTime, duration, clock)
{
Text = text;
Format = format;
OriginalText = originalText;
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderingVideoEventArgs" /> class.
/// </summary>
/// <param name="bitmap">The bitmap.</param>
/// <param name="closedCaptions">The closed captions.</param>
/// <param name="smtpeTimeCode">The smtpe time code.</param>
/// <param name="pictureNumber">The picture number.</param>
/// <param name="engineState">The engine.</param>
/// <param name="stream">The stream.</param>
/// <param name="startTime">The start time.</param>
/// <param name="duration">The duration.</param>
/// <param name="clock">The clock.</param>
internal RenderingVideoEventArgs(
BitmapDataBuffer bitmap,
ReadOnlyCollection <ClosedCaptionPacket> closedCaptions,
string smtpeTimeCode,
long pictureNumber,
MediaEngineState engineState,
StreamInfo stream,
TimeSpan startTime,
TimeSpan duration,
TimeSpan clock)
: base(engineState, stream, startTime, duration, clock)
{
PictureNumber = pictureNumber;
Bitmap = bitmap;
SmtpeTimeCode = smtpeTimeCode;
ClosedCaptions = closedCaptions;
}
