getTrackInfoByIndex static method

AVPTrackInfo? getTrackInfoByIndex(
  1. List<AVPTrackInfo>? trackInfos,
  2. int? trackIndex
)

根据索引获取视频轨信息

Implementation

static AVPTrackInfo? getTrackInfoByIndex(
  List<AVPTrackInfo>? trackInfos,
  int? trackIndex,
) {
  if (trackInfos == null || trackInfos.isEmpty) {
    return null;
  }
  for (var trackInfo in trackInfos) {
    if (trackInfo.trackIndex == trackIndex) {
      return trackInfo;
    }
  }
  return null;
}