From e123364e28bd880276f20fd1dc3941da1a4662ed Mon Sep 17 00:00:00 2001
From: huanghai <10402852@qq.com>
Date: Wed, 8 Jul 2020 15:29:31 +0800
Subject: [PATCH] 'commit'

---
 dsSupport/ConvertMovie/Convert.go          | 12 ++---
 dsSupport/Utils/ConvertUtil/ConvertUtil.go | 53 ++++++++++++++++++++--
 dsSupport/Utils/FileUtil/FileUtil.go       | 15 ++++++
 3 files changed, 67 insertions(+), 13 deletions(-)
 create mode 100644 dsSupport/Utils/FileUtil/FileUtil.go

diff --git a/dsSupport/ConvertMovie/Convert.go b/dsSupport/ConvertMovie/Convert.go
index a206dc86..21b0bbcf 100644
--- a/dsSupport/ConvertMovie/Convert.go
+++ b/dsSupport/ConvertMovie/Convert.go
@@ -2,23 +2,17 @@ package main
 
 import (
 	"dsSupport/Utils/ConvertUtil"
-	"dsSupport/Utils/ShellUtil"
-	"path/filepath"
-	"strings"
 )
 
 func main(){
 	//源文件
 	source:="B7318F5D-46B8-4AA1-8811-1A9D65528E19.wmv"
-
 	//1、对视频文件进行切片
 	ConvertUtil.Cut(source)
-
 	//2、切片完成后，尝试进行转码
-	filepathNames,_ := filepath.Glob(filepath.Join(dir+`/Target`,"*"))
-	for i := range filepathNames {
-		cmdLine=dir+`\ffmpeg\ffmpeg.exe -i  `+filepathNames[i]+` -c:v libx264 -strict -2 `+strings.Replace(filepathNames[i],".wmv",".mp4",-1)
-		ShellUtil.ExecCommand(cmdLine)
+	var childMovie=ConvertUtil.GetAllCutChild(source)
+	for i := range childMovie {
+		ConvertUtil.ConvertToH264Mp4(childMovie[i])
 	}
 }
 
diff --git a/dsSupport/Utils/ConvertUtil/ConvertUtil.go b/dsSupport/Utils/ConvertUtil/ConvertUtil.go
index 49ce27fe..55b8d07f 100644
--- a/dsSupport/Utils/ConvertUtil/ConvertUtil.go
+++ b/dsSupport/Utils/ConvertUtil/ConvertUtil.go
@@ -1,9 +1,13 @@
 package ConvertUtil
 
 import (
+	"dsSupport/Utils/FileUtil"
 	"dsSupport/Utils/ShellUtil"
+	"fmt"
 	"os"
 	"path"
+	"path/filepath"
+	"strings"
 )
 
 //运行的目录
@@ -17,15 +21,56 @@ func init() {
 功能：对指定的视频文件进行切片
 作者：黄海
 时间：2020-07-08
- */
+*/
 func Cut(source string) {
 	//1、源视频文件
-	sourcePath:=runDir+"/Source/"+source[0:2]+"/"+source
+	sourcePath := runDir + "/Source/" + source[0:2] + "/" + source
 	//2、获取文件后缀
-	extension:= path.Ext(source)
+	extension := path.Ext(source)
 	//3、输出的文件通配名称
-	targetPath:=runDir+`/Target/`+source[0:36]+`_%03d.`+extension
+	workingPath := runDir + `/Target/` + source[0:32] + "/"
+	if !FileUtil.Exists(workingPath) {
+		os.Mkdir(workingPath, os.ModePerm)
+	}
+	targetPath := workingPath + source[0:36] + `_%03d` + extension
+	//尝试删除已存在的视频
+	var i = 0
+	for {
+		var f = workingPath + source[0:36] + "_" + fmt.Sprintf("%03d", i) + extension
+		if FileUtil.Exists(f) {
+			os.Remove(f)
+		} else {
+			break
+		}
+		i++
+	}
 	//4、切片
 	cmdLine := runDir + `\ffmpeg\ffmpeg.exe -fflags +genpts -i ` + sourcePath + ` -acodec copy -vcodec copy -f segment -segment_time 300 -reset_timestamps 1 -map 0:0 -map 0:1 ` + targetPath
 	ShellUtil.ExecCommand(cmdLine)
 }
+
+/**
+功能：将指定的视频文件，在切片后，获取都生成了哪些切片
+作者：黄海
+时间：2020-07-08
+*/
+func GetAllCutChild(source string) []string {
+	filepathNames, _ := filepath.Glob(filepath.Join(runDir+`/Target/`+source[0:2]+"/"+source[0:36]+"/", "*"))
+	return filepathNames
+}
+
+/**
+功能：将视频转为H264格式的MP4
+作者: 黄海
+时间：2020-07-08
+*/
+func ConvertToH264Mp4(childMovie string) {
+	extension := path.Ext(childMovie)
+	childMovieMp4 := strings.Replace(childMovie, extension, ".mp4", -1)
+	//如果存在则删除之
+	if FileUtil.Exists(childMovieMp4) {
+		os.Remove(childMovieMp4)
+	}
+	cmdLine := runDir + `\ffmpeg\ffmpeg.exe -i  ` + childMovie + ` -c:v libx264 -strict -2 ` + childMovieMp4
+	ShellUtil.ExecCommand(cmdLine)
+}
diff --git a/dsSupport/Utils/FileUtil/FileUtil.go b/dsSupport/Utils/FileUtil/FileUtil.go
new file mode 100644
index 00000000..af6fd1a8
--- /dev/null
+++ b/dsSupport/Utils/FileUtil/FileUtil.go
@@ -0,0 +1,15 @@
+package FileUtil
+
+import "os"
+
+// 判断所给路径文件/文件夹是否存在
+func Exists(path string) bool {
+	_, err := os.Stat(path)    //os.Stat获取文件信息
+	if err != nil {
+		if os.IsExist(err) {
+			return true
+		}
+		return false
+	}
+	return true
+}