# Golang 实现 MP4 视频文件服务器 生命不止,继续 go go go !!! 有点忙,有点懈怠,继续。 关于golang实现的静态文件服务器之前有写过: [Go实战–golang实现静态文件服务器(文件查看,文件上传,文件下载)](http://blog.csdn.net/wangshubo1989/article/details/77319537?locationNum=10&fps=1) 正好,最近在做视频方面的东西,那么先来个简单的,实现一个提供mp4视频文件的服务器吧,并且通过浏览器访问播放。 ## MP4 文件服务器 ```go package main import ( "log" "net/http" "os" "time" ) func ServeHTTP(w http.ResponseWriter, r *http.Request) { video, err := os.Open("./test.mp4") if err != nil { log.Fatal(err) } defer video.Close() http.ServeContent(w, r, "test.mp4", time.Now(), video) } func main() { http.HandleFunc("/", ServeHTTP) http.ListenAndServe(":8080", nil) } ``` ```go package main import "io/ioutil" import "log" import "net/http" import "strings" type viewHandler struct{} func (vh *viewHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { path := r.URL.Path[1:] data, err := ioutil.ReadFile(string(path)) if err != nil { log.Printf("Error with path %s: %v", path, err) w.WriteHeader(404) w.Write([]byte("404")) } if strings.HasSuffix(path, ".html") { w.Header().Add("Content-Type", "text/html") } else if strings.HasSuffix(path, ".mp4") { w.Header().Add("Content-Type", "video/mp4") } w.Write(data) } func main() { http.Handle("/", new(viewHandler)) http.ListenAndServe(":8080", nil) } ``` ## nareix/joy4 Golang audio/video library and streaming server 我们先浅尝辄止,简单使用一下: ```go package main import ( "fmt" "github.com/nareix/joy4/av" "github.com/nareix/joy4/av/avutil" "github.com/nareix/joy4/format" ) func init() { format.RegisterAll() } func main() { file, _ := avutil.Open("test.mp4") streams, _ := file.Streams() for _, stream := range streams { if stream.Type().IsAudio() { astream := stream.(av.AudioCodecData) fmt.Println(astream.Type(), astream.SampleRate(), astream.SampleFormat(), astream.ChannelLayout()) } else if stream.Type().IsVideo() { vstream := stream.(av.VideoCodecData) fmt.Println(vstream.Type(), vstream.Width(), vstream.Height()) } } file.Close() } ``` 以上程序输出: ```bash AAC 48000 FLTP 1ch H264 960 720 ```