setPointMap method

void setPointMap({ List<double>? videoRoi, List<double>? viewRoi, int count = 2, })

Set region-of-interest mapping for video display https://github.com/wang-bin/mdk-sdk/wiki/Player-APIs#void-setpointmapconst-float-videoroi-const-float-viewroi--nullptr-int-count--2-void-vo_opaque--nullptr

Implementation

void setPointMap({
  List<double>? videoRoi,
  List<double>? viewRoi,
  int count = 2,
}) {
  final cv = (videoRoi != null)
      ? () {
          final p = calloc<Float>(count * 2);
          for (int i = 0; i < videoRoi.length; ++i) {
            p[i] = videoRoi[i];
          }
          return p;
        }()
      : nullptr;
  final cw = (viewRoi != null)
      ? () {
          final p = calloc<Float>(count * 2);
          for (int i = 0; i < viewRoi.length; ++i) {
            p[i] = viewRoi[i];
          }
          return p;
        }()
      : nullptr;
  _player.ref.setPointMap
      .asFunction<
        void Function(
          Pointer<mdkPlayer>,
          Pointer<Float>,
          Pointer<Float>,
          int,
          Pointer<Void>,
        )
      >()(_player.ref.object, cv.cast(), cw.cast(), count, _getVid());
  if (cv != nullptr) {
    calloc.free(cv);
  }
  if (cw != nullptr) {
    calloc.free(cw);
  }
}