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some reindentation
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@ -663,9 +663,6 @@ void Envelope::Paste(double t0, const Envelope *e)
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// get values to perform framing of the insertion
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double splitval = GetValue(t0 + mOffset);
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if(len != 0) { // Not case 10: there are point/s in the envelope
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/*
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Old analysis of cases:
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(see discussions on audacity-devel around 19/8/7 - 23/8/7 and beyond, "Envelopes and 'Join'")
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@ -691,7 +688,7 @@ Old analysis of cases:
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// In pasting in a clip we choose to preserve the envelope so that the loudness of the
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// parts is unchanged.
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//
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// 1) This may introduce a discontnuity in the envelope at a boundary between the
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// 1) This may introduce a discontinuity in the envelope at a boundary between the
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// old and NEW clips. In that case we must ensure there are envelope points
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// at sample positions immediately before and immediately after the boundary.
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// 2) If the points have the same value we only need one of them.
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@ -703,7 +700,9 @@ Old analysis of cases:
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// Even simpler: we could always add two points at a boundary and then call
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// RemoveUnneededPoints() (provided that function behaves correctly).
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// See if existing points need shifting to the right, and what Case we are in
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// See if existing points need shifting to the right, and what Case we are in
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if(len != 0) {
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// Not case 10: there are point/s in the envelope
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for (i = 0; i < len; i++) {
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if (mEnv[i].GetT() > t0)
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someToShift = true;
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@ -720,57 +719,66 @@ Old analysis of cases:
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if( (mTrackLen - t0) < mTrackEpsilon )
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atEnd = true;
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if(0 > t0)
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beforeStart = true; // Case 13
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// Case 13
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beforeStart = true;
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if(mTrackLen < t0)
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afterEnd = true; // Case 12
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// Case 12
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afterEnd = true;
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// Now test for the various Cases, and try to do the right thing
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if(atStart) { // insertion at the beginning
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if(onPoint) { // first env point is at LH end
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mEnv[0].SetT(mEnv[0].GetT() + mTrackEpsilon); // Case 1: move it R slightly to avoid duplicate point
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if(atStart) {
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// insertion at the beginning
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if(onPoint) {
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// Case 1: move it R slightly to avoid duplicate point
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// first env point is at LH end
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mEnv[0].SetT(mEnv[0].GetT() + mTrackEpsilon);
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someToShift = true; // there is now, even if there wasn't before
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//wxLogDebug(wxT("Case 1"));
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}
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else {
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InsertOrReplaceRelative(t0 + mTrackEpsilon, splitval); // Case 3: insert a point to maintain the envelope
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// Case 3: insert a point to maintain the envelope
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InsertOrReplaceRelative(t0 + mTrackEpsilon, splitval);
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someToShift = true;
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//wxLogDebug(wxT("Case 3"));
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}
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}
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else {
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if(atEnd) { // insertion at the end
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if(onPoint) { // last env point is at RH end, Case 2:
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mEnv[0].SetT(mEnv[0].GetT() - mTrackEpsilon); // move it L slightly to avoid duplicate point
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if(atEnd) {
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// insertion at the end
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if(onPoint) {
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// last env point is at RH end, Case 2:
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// move it L slightly to avoid duplicate point
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mEnv[0].SetT(mEnv[0].GetT() - mTrackEpsilon);
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//wxLogDebug(wxT("Case 2"));
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}
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else { // Case 4:
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InsertOrReplaceRelative(t0 - mTrackEpsilon, splitval); // insert a point to maintain the envelope
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else {
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// Case 4:
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// insert a point to maintain the envelope
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InsertOrReplaceRelative(t0 - mTrackEpsilon, splitval);
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//wxLogDebug(wxT("Case 4"));
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}
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}
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else if(onPoint) {
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// Case 7: move the point L and insert a NEW one to the R
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mEnv[pos].SetT(mEnv[pos].GetT() - mTrackEpsilon);
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InsertOrReplaceRelative(t0 + mTrackEpsilon, splitval);
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someToShift = true;
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//wxLogDebug(wxT("Case 7"));
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}
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else if( !beforeStart && !afterEnd ) {
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// Case 5: Insert points to L and R
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InsertOrReplaceRelative(t0 - mTrackEpsilon, splitval);
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InsertOrReplaceRelative(t0 + mTrackEpsilon, splitval);
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someToShift = true;
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//wxLogDebug(wxT("Case 5"));
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}
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else if( beforeStart ) {
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// Case 13:
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//wxLogDebug(wxT("Case 13"));
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}
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else {
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if(onPoint) { // Case 7: move the point L and insert a NEW one to the R
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mEnv[pos].SetT(mEnv[pos].GetT() - mTrackEpsilon);
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InsertOrReplaceRelative(t0 + mTrackEpsilon, splitval);
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someToShift = true;
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//wxLogDebug(wxT("Case 7"));
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}
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else {
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if( !beforeStart && !afterEnd ) {// Case 5: Insert points to L and R
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InsertOrReplaceRelative(t0 - mTrackEpsilon, splitval);
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InsertOrReplaceRelative(t0 + mTrackEpsilon, splitval);
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someToShift = true;
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//wxLogDebug(wxT("Case 5"));
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}
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else {
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if( beforeStart ) { // Case 13:
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//wxLogDebug(wxT("Case 13"));
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}
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else { // Case 12:
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//wxLogDebug(wxT("Case 12"));
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}
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}
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}
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// Case 12:
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//wxLogDebug(wxT("Case 12"));
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}
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}
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@ -783,7 +791,8 @@ Old analysis of cases:
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}
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mTrackLen += deltat;
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}
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else { // Case 10:
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else {
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// Case 10:
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if( mTrackLen == 0 ) // creating a NEW envelope
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{
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mTrackLen = e->mTrackLen;
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