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Fix tts videosync with non zero start distance (#3739)

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ericchristoffersen
2020-12-29 15:41:16 -08:00
committed by GitHub
parent d881a2b3be
commit f251e982ae
1 changed files with 6 additions and 8 deletions
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14
src/FileIO/TTSReader.cpp
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@@ -1190,7 +1190,6 @@ void TTSReader::programData(int version, ByteArray &data) {
double distance = 0;
int pointCount = (int)data.size() / 6;
double bias = 0;
for (int i = 0; i < pointCount; i++) {
int slope = getUShort(data, i * 6);
@@ -1205,6 +1204,7 @@ void TTSReader::programData(int version, ByteArray &data) {
ProgramPoint p;
p.slope = (double)slope / 100;
p.distance = distance;
if (i == 0) {
// first time thru'
@@ -1220,16 +1220,14 @@ void TTSReader::programData(int version, ByteArray &data) {
maxSlope = p.slope;
}
// If first point isn't zero distance then bias
// it and all subseequent points by this distance.
// This might be rubbish but appears to help every
// tts I've tried.
// If first point isn't zero distance then create fake
// first point. This matters for a few early tts rides
// including NO_OCEAN from lunicus and IT_Mortirolo from
// tacx.
if (i == 0 && distance != 0.) {
bias = -distance;
programList.push_back({0, 0});
}
p.distance = distance + bias;
programList.push_back(p);
}
}