vCloud/ConvertTool/ConvertService.cs

using System;
using System.IO;
using System.Threading;
using vCloud.Server.Utilities;
using Vinno.vCloud.Common.Vid2;

namespace ConvertTool
{
    public class ConvertService
    {
        public bool ConvertProcess(string vidFile, string destPath,string rootPath)
        {
            try
            {
                Console.WriteLine($"vidFile:{vidFile},destPath:{destPath}");
                var destFile = Path.Combine(destPath, Path.GetFileName(vidFile).Replace(".vid", ".jpeg"));
                Directory.CreateDirectory(destPath);
                try
                {
                    using (var vinnoImageData = new VinnoImageData(vidFile, OperationMode.Open))
                    {
                        if (vinnoImageData.ImageCount > 0)
                        {
                            if (!ConvertToMP4(vidFile, destPath, destFile, vinnoImageData, rootPath))
                            {
                                ConvertToJPEG(vidFile, destFile, vinnoImageData);
                            }
                        }
                        else
                        {
                            RenameConvert(vidFile, destFile);
                        }
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine($"{ex}");
                    //转换出问题尝试改名
                    RenameConvert(vidFile, destFile);
                }
                return true;
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Convert fail!{ex}");
                return false;
            }
        }

        public bool SayHi() 
        {
            Console.WriteLine("Hi");
            return true;
        }

        /// <summary>
        /// 直接改后缀
        /// </summary>
        /// <param name="vidFile"></param>
        /// <param name="destFile"></param>
        /// <returns></returns>
        private static bool RenameConvert(string vidFile, string destFile)
        {
            File.Copy(vidFile, destFile, true);
            if (File.Exists(destFile))
            {
                File.Delete(vidFile);
                Console.WriteLine($"Convert success!");
                return true;
            }
            Console.WriteLine($"Convert fail!");
            return false;
        }

        /// <summary>
        /// 转换为JPEG
        /// </summary>
        /// <param name="vidFile"></param>
        /// <param name="destFile"></param>
        /// <param name="vinnoImageData"></param>
        private static bool ConvertToJPEG(string vidFile, string destFile, VinnoImageData vinnoImageData)
        {
            if (File.Exists(destFile))
            {
                File.Delete(destFile);
            }
            File.WriteAllBytes(destFile, vinnoImageData.GetImage(0)?.ImageData);
            Thread.Sleep(10);
            if (File.Exists(destFile))
            {
                vinnoImageData.Close();
                vinnoImageData.Dispose();
                File.Delete(vidFile);
                Console.WriteLine($"Convert to jpeg success!");
                return true;
            }
            Console.WriteLine($"Convert to jpeg fail!");
            return false;
        }

        /// <summary>
        /// 转换为mp4
        /// </summary>
        /// <param name="vidFile"></param>
        /// <param name="destPath"></param>
        /// <param name="destFile"></param>
        /// <param name="vinnoImageData"></param>
        /// <returns></returns>
        private static bool ConvertToMP4(string vidFile, string destPath, string destFile, VinnoImageData vinnoImageData,string rootPath)
        {
            Console.WriteLine($"ConvertToMP4:{vidFile},destPath:{destPath}");
            if (vinnoImageData.ImageCount > 1)
            {
                destFile = Path.Combine(destPath, Path.GetFileName(vidFile).Replace(".vid", ".mp4"));
                if (File.Exists(destFile))
                {
                    File.Delete(destFile);
                }
                Console.WriteLine("before ConvertVidToMpeg4");
                Mpeg4Converter.ConvertVidToMpeg4(vinnoImageData, destFile, rootPath);
                Console.WriteLine("after ConvertVidToMpeg4");
                Thread.Sleep(10);
                if (File.Exists(destFile))
                {
                    vinnoImageData.Close();
                    vinnoImageData.Dispose();
                    File.Delete(vidFile);
                    Console.WriteLine($"Convert to mpeg4 success!");
                    return true;
                }
                Console.WriteLine($"Convert to mpeg4 fail!");
            }
            return false;
        }
    }
}