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libvlc: add helper delay function #384

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libvlc: add helper delay function #384

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7 changes: 7 additions & 0 deletions src/LibVLCSharp/Shared/LibVLC.cs
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Expand Up @@ -776,6 +776,13 @@ static void GetLogContext(IntPtr logContext, out string? module, out string? fil
/// </summary>
public long Clock => Native.LibVLCClock();

/// <summary>
/// Return the delay (in microseconds) until a certain timestamp.
/// </summary>
/// <param name="pts">timestamp in microsecond</param>
/// <returns>negative if timestamp is in the past, positive if it is in the future</returns>
public long Delay(long pts) => pts - Clock;

#region Exit

static readonly InternalExitCallback ExitCallbackHandle = ExitCallback;
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2 changes: 1 addition & 1 deletion src/LibVLCSharp/Shared/MediaPlayer.cs
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Expand Up @@ -2039,7 +2039,7 @@ public delegate uint LibVLCVideoFormatCb(ref IntPtr opaque, IntPtr chroma, ref u
/// <param name="data">data pointer as passed to libvlc_audio_set_callbacks() [IN]</param>
/// <param name="samples">pointer to a table of audio samples to play back [IN]</param>
/// <param name="count">number of audio samples to play back</param>
/// <param name="pts">expected play time stamp (see libvlc_delay())</param>
/// <param name="pts">expected play time stamp (see <see cref="LibVLC.Delay(long)"/>)</param>
/// <remarks>
/// <para>The LibVLC media player decodes and post-processes the audio signal</para>
/// <para>asynchronously (in an internal thread). Whenever audio samples are ready</para>
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