flutter_ali_camera/lib/camera_option.dart

class CameraRecordOption {
  int videoWidth;
  int videoHeight;
  int fps;
  VideoCodecs videoCodecs;
  int crf; // only use in android
  int encoderFps; // only use in android
  VideoQuality quality;
  int videoBitrate;
  int gop;

  CameraRecordOption(
      {this.videoWidth,
      this.videoHeight,
      this.fps,
      this.videoCodecs,
      this.crf,
      this.encoderFps,
      this.quality,
      this.videoBitrate,
      this.gop});

  Map toMap() {
    Map data = {
      "videoWidth": videoWidth,
      "videoHeight": videoHeight,
      "fps": fps,
      "videoCodecs": videoCodecs?.index,
      "crf": crf,
      "encoderFps": encoderFps,
      "quality": quality?.index,
      "videoBitrate": videoBitrate,
      "gop": gop,
    };
    data.removeWhere((key, value) => value == null);
    return data;
  }
}

class CameraComposeOption {
  int outputWidth;
  int outputHeight;
  int frameRate;
  int crf; // only use in android
  int gop;
  int bitrate;
  double scaleRate;
  VideoCodecs videoCodecs;
  VideoQuality quality;
  VideoDisplayMode scaleMode;

  CameraComposeOption(
      {this.outputWidth,
      this.outputHeight,
      this.frameRate,
      this.crf,
      this.gop,
      this.bitrate,
      this.scaleRate,
      this.videoCodecs,
      this.quality,
      this.scaleMode});

  Map toMap() {
    Map data = {
      "outputWidth": outputWidth,
      "outputHeight": outputHeight,
      "frameRate": frameRate,
      "crf": crf,
      "gop": gop,
      "bitrate": bitrate,
      "scaleRate": scaleRate,
      "videoCodecs": videoCodecs?.index,
      "quality": quality?.index,
      "scaleMode": scaleMode?.index,
    };
    data.removeWhere((key, value) => value == null);
    return data;
  }
}

enum VideoCodecs { H264_HARDWARE, H264_SOFT_OPENH264, H264_SOFT_FFMPEG }

enum VideoQuality { SSD, HD, SD, LD, PD, EPD }

enum VideoDisplayMode { SCALE, FILL }