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Don't pass whole TimeTrack to Ruler or Mixer...

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... they need only the information in a (Bounded)Envelope.
This commit is contained in:
Paul Licameli
2019-06-06 09:21:01 -04:00
parent 5ae606cf53
commit 46bf5a82fc
17 changed files with 142 additions and 123 deletions
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32
src/TimeTrack.h
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@@ -83,38 +83,6 @@ class TimeTrack final : public Track {
BoundedEnvelope *GetEnvelope() { return mEnvelope.get(); }
const BoundedEnvelope *GetEnvelope() const { return mEnvelope.get(); }
//Note: The meaning of this function has changed (December 2012)
//Previously this function did something that was close to the opposite (but not entirely accurate).
/** @brief Compute the integral warp factor between two non-warped time points
*
* Calculate the relative length increase of the chosen segment from the original sound.
* So if this time track has a low value (i.e. makes the sound slower), the NEW warped
* sound will be *longer* than the original sound, so the return value of this function
* is larger.
* @param t0 The starting time to calculate from
* @param t1 The ending time to calculate to
* @return The relative length increase of the chosen segment from the original sound.
*/
double ComputeWarpFactor(double t0, double t1) const;
/** @brief Compute the duration (in seconds at playback) of the specified region of the track.
*
* Takes a region of the time track (specified by the unwarped time points in the project), and
* calculates how long it will actually take to play this region back, taking the time track's
* warping effects into account.
* @param t0 unwarped time to start calculation from
* @param t1 unwarped time to stop calculation at
* @return the warped duration in seconds
*/
double ComputeWarpedLength(double t0, double t1) const;
/** @brief Compute how much unwarped time must have elapsed if length seconds of warped time has
* elapsed
*
* @param t0 The unwarped time (seconds from project start) at which to start
* @param length How many seconds of warped time went past.
* @return The end point (in seconds from project start) as unwarped time
*/
double SolveWarpedLength(double t0, double length) const;
// Get/Set the speed-warping range, as percentage of original speed (e.g. 90%-110%)
double GetRangeLower() const;