Std.Video

15 public declarations

• add&Std.Video.Timestamp -> &Std.Video.Timestamp -> Result[Std.Video.Timestamp, Std.Video.VideoError]

  Two timestamps added exactly, reduced.

  fn
• appended&Std.Video.Track -> Std.Video.Picture -> Result[Std.Video.Track, Std.Video.VideoError]

  A track with a picture appended.

  fn
• audioFrameAt&Std.Video.Timestamp -> &Std.Audio.Format -> Result[Int, Std.Video.VideoError]

  The audio frame that plays at a video timestamp, so sound and picture are

  fn
• compare&Std.Video.Timestamp -> &Std.Video.Timestamp -> Int

  Whether the first timestamp is earlier (-1), equal (0), or later (1).

  fn
• frameAt&Std.Video.Rate -> &Std.Video.Timestamp -> Result[Int, Std.Video.VideoError]

  The frame being shown at a time: the last frame beginning at or before it.

  fn
• Picture

  One picture and the span of time it is shown for.

  type
• pictureAt&Std.Video.Track -> &Std.Video.Timestamp -> Option[Int]

  The position of the picture on screen at a time, or nothing in a gap,

  fn
• rateInt -> Int -> Result[Std.Video.Rate, Std.Video.VideoError]

  A rate of `frames` per `seconds`, reduced, with both parts positive.

  fn
• Rate

  A frame rate as an exact fraction of frames per second.

  type
• timeOfFrame&Std.Video.Rate -> Int -> Result[Std.Video.Timestamp, Std.Video.VideoError]

  The time a frame begins, reduced to its smallest exact scale.

  fn
• timestampInt -> Int -> Result[Std.Video.Timestamp, Std.Video.VideoError]

  A timestamp of `ticks` at `scale` ticks per second, not before zero.

  fn
• Timestamp

  A point on a media timeline: `ticks` counted at `scale` ticks per second.

  type
• trackStd.Video.Rate -> Std.Video.Track

  An empty track at a rate.

  fn
• Track

  Pictures in presentation order that never overlap.

  type
• VideoError

  Why a rate, a time, or a track could not be admitted.

  type