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Some simplification in the Repair effect

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This commit is contained in:
Paul Licameli 2016-09-02 08:59:27 -04:00
parent 2910005780
commit 9d633f4c47
1 changed files with 20 additions and 31 deletions
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51
src/effects/Repair.cpp
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@ -78,45 +78,34 @@ bool EffectRepair::Process()
WaveTrack *track = (WaveTrack *) iter.First();
int count = 0;
while (track) {
const
double trackStart = track->GetStartTime();
const double repair_t0 = std::max(mT0, trackStart);
const
double trackEnd = track->GetEndTime();
double repair_t0 = mT0;
double repair_t1 = mT1;
repair_t0 = (repair_t0 < trackStart? trackStart: repair_t0);
repair_t1 = (repair_t1 > trackEnd? trackEnd: repair_t1);
if (repair_t0 < repair_t1) { // selection is within track audio
double rate = track->GetRate();
double repair_deltat = repair_t1 - repair_t0;
double spacing = repair_deltat * 2;
if (spacing < 128. / rate)
spacing = 128. / rate;
double t0 = repair_t0 - spacing;
double t1 = repair_t1 + spacing;
t0 = t0 < trackStart? trackStart: t0;
t1 = t1 > trackEnd? trackEnd: t1;
repair_t0 = (repair_t0 < t0? t0: repair_t0);
repair_t1 = (repair_t1 > t1? t1: repair_t1);
auto s0 = track->TimeToLongSamples(t0);
auto repair0 = track->TimeToLongSamples(repair_t0);
auto repair1 = track->TimeToLongSamples(repair_t1);
auto s1 = track->TimeToLongSamples(t1);
auto repairStart = repair0 - s0;
auto repairLen = repair1 - repair0;
auto len = s1 - s0;
const double repair_t1 = std::min(mT1, trackEnd);
const
double repair_deltat = repair_t1 - repair_t0;
if (repair_deltat > 0) { // selection is within track audio
const auto repair0 = track->TimeToLongSamples(repair_t0);
const auto repair1 = track->TimeToLongSamples(repair_t1);
const auto repairLen = repair1 - repair0;
if (repairLen > 128) {
::wxMessageBox(_("The Repair effect is intended to be used on very short sections of damaged audio (up to 128 samples).\n\nZoom in and select a tiny fraction of a second to repair."));
bGoodResult = false;
break;
}
const double rate = track->GetRate();
const double spacing = std::max(repair_deltat * 2, 128. / rate);
const double t0 = std::max(repair_t0 - spacing, trackStart);
const double t1 = std::min(repair_t1 + spacing, trackEnd);
const auto s0 = track->TimeToLongSamples(t0);
const auto s1 = track->TimeToLongSamples(t1);
const auto repairStart = (repair0 - s0);
const auto len = s1 - s0;
if (s0 == repair0 && s1 == repair1) {
::wxMessageBox(_("Repair works by using audio data outside the selection region.\n\nPlease select a region that has audio touching at least one side of it.\n\nThe more surrounding audio, the better it performs."));
/// The Repair effect needs some data to go on.\n\nPlease select an area to repair with some audio on at least one side (the more the better)."));