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AutoDJ: don't use removed Intro end and outro start makers, use transition time instead #11830

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merged 5 commits into from
Dec 19, 2023
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AutoDJ: don't use removed Intro end and outro start makers, use transition time instead #11830

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Auto-DJ: Don't adopt last sound as outro end, when user has explicit …
daschuer Aug 13, 2023
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Auto-DJ: Don't adopt first sound as intro start, when user has explic…
daschuer Aug 13, 2023
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daschuer Oct 5, 2023
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daschuer Dec 18, 2023
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Allow to place an automatic set transition into the prerole
daschuer Dec 18, 2023
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34 changes: 31 additions & 3 deletions src/library/autodj/autodjprocessor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1093,8 +1093,18 @@ void AutoDJProcessor::playerOutroEndChanged(DeckAttributes* pAttributes, double
double AutoDJProcessor::getIntroStartSecond(DeckAttributes* pDeck) {
const mixxx::audio::FramePos trackEndPosition = pDeck->trackEndPosition();
const mixxx::audio::FramePos introStartPosition = pDeck->introStartPosition();
const mixxx::audio::FramePos introEndPosition = pDeck->introEndPosition();
if (!introStartPosition.isValid() || introStartPosition > trackEndPosition) {
return getFirstSoundSecond(pDeck);
double firstSoundSecond = getFirstSoundSecond(pDeck);
if (!introEndPosition.isValid() || introEndPosition > trackEndPosition) {
// No intro start and intro end set, use First Sound.
return firstSoundSecond;
}
double introEndSecond = framePositionToSeconds(introEndPosition, pDeck);
if (m_transitionTime >= 0) {
return introEndSecond - m_transitionTime;
}
return introEndSecond;
}
return framePositionToSeconds(introStartPosition, pDeck);
}
Expand Down Expand Up @@ -1127,12 +1137,30 @@ double AutoDJProcessor::getOutroStartSecond(DeckAttributes* pDeck) {

double AutoDJProcessor::getOutroEndSecond(DeckAttributes* pDeck) {
const mixxx::audio::FramePos trackEndPosition = pDeck->trackEndPosition();
const mixxx::audio::FramePos outroStartPosition = pDeck->outroStartPosition();
const mixxx::audio::FramePos outroEndPosition = pDeck->outroEndPosition();
if (!outroEndPosition.isValid() || outroEndPosition > trackEndPosition) {
return getLastSoundSecond(pDeck);
double lastSoundSecond = getLastSoundSecond(pDeck);
DEBUG_ASSERT(lastSoundSecond <= framePositionToSeconds(trackEndPosition, pDeck));
if (!outroStartPosition.isValid() || outroStartPosition > trackEndPosition) {
// No outro start and outro end set, use Last Sound.
return lastSoundSecond;
Comment on lines +1146 to +1147
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wasn't this dependent on transition mode?

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Here we calculate a reliable OutroEnd position, as an input to the transition mode dependent code.
The change here takes place in case we have an OutroStart. Than we try to use the transition time to calulate a better OutroEnd than just the lastSoundSecond as the last resort.

}
// Try to find a better Outro End using Outro Start and transition time
double outroStartSecond = framePositionToSeconds(outroStartPosition, pDeck);
if (m_transitionTime >= 0 && lastSoundSecond > outroStartSecond) {
double outroEndFromTime = outroStartSecond + m_transitionTime;
if (outroEndFromTime < lastSoundSecond) {
Comment on lines +1152 to +1153
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you'll also need to check for outroEndFromTime < trackEndPosition IIUC.

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lastSoundSecond has been clamped to be <= trackEndPosition
I will add a note.

// The outroEnd is automatically placed by AnalyzerSilence at the last sound
// Here the user has removed it, but has placed a outro start.
// Use the transition time instead of the dismissed last sound position.
return outroEndFromTime;
}
return lastSoundSecond;
}
return outroStartSecond;
}
return framePositionToSeconds(outroEndPosition, pDeck);
;
}

double AutoDJProcessor::getFirstSoundSecond(DeckAttributes* pDeck) {
Expand Down
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