Function ProcessAudioOverlapsScaledEnd

viewer/src/audio/process/AudioTimeRange.cpp:137–164

}

void ProcessAudioOverlapsScaledEnd(int64_t originFileDuration, int64_t fileDuration,
                                   int64_t audioStartTime, int64_t audioDuration,
                                   TimeRange& scaledTimeRange, std::vector<AudioClip>& clips,
                                   std::shared_ptr<AudioSource> source) {
  auto audioEndTime = audioStartTime + audioDuration;

  if (fileDuration > scaledTimeRange.start) {
    auto minDuration = originFileDuration - scaledTimeRange.duration();
    auto offset = std::max(minDuration, fileDuration) - originFileDuration;
    auto scaledTargetEnd = scaledTimeRange.end + offset;

    if (fileDuration > minDuration) {
      auto targetStart = scaledTargetEnd - (scaledTimeRange.end - audioStartTime) *
                                               (fileDuration - minDuration) /
                                               scaledTimeRange.duration();
      auto sourceTimeRange = TimeRange{0, scaledTimeRange.end - audioStartTime};
      auto targetTimeRange = TimeRange{targetStart, scaledTargetEnd};
      auto clip = AudioClip(source, sourceTimeRange, targetTimeRange);
      clips.push_back(clip);
    }

    auto audioTargetEnd = audioEndTime + offset;
    auto sourceTimeRange = TimeRange{scaledTimeRange.end - audioStartTime, audioDuration};
    auto targetTimeRange = TimeRange{scaledTargetEnd, audioTargetEnd};
    auto clip = AudioClip(source, sourceTimeRange, targetTimeRange);
    clips.push_back(clip);
  }
}

}  // namespace pag