Method convertWithLowerQuality

gif/gif.ts:303–317

(inputFile: string, outputFile: string)

    }
  }

  private async convertWithLowerQuality(inputFile: string, outputFile: string): Promise<void> {
    const lowerQuality = Math.min(31, this.config.quality + 10);
    await execFileAsync("ffmpeg", [
      "-i", inputFile,
      "-t", this.config.maxDuration.toString(),
      "-vf", "scale=320:320:force_original_aspect_ratio=decrease",
      "-c:v", "libvpx-vp9",
      "-crf", lowerQuality.toString(),
      "-b:v", "0",
      "-an",
      "-f", "webm",
      "-y",
      outputFile
    ]);
  }

  private async sendAsSticker(originalMsg: Api.Message, stickerFile: string): Promise<void> {