// Execute processes a command instruction.
func (c *SpriteCommand) Execute(inFile, outFile string) {
defer func() {
(*c.chanFinished) <- true
}()
f := ffmpeg.New(inFile)
f.SkipSeconds = core.Opts.SkipSeconds
len := int(f.Length())
interval := 0
if len < core.Opts.Count {
interval = len
} else {
interval = len / core.Opts.Count
}
width := 180
if core.Opts.Width != 0 {
width = core.Opts.Width
}
err := f.CreateThumbnailSprite(interval, width, outFile)
if err != nil {
(*c.chanError) <- err
return
}
core.VPrintf("Sprite thumbnail for video %q written to %q.", inFile, outFile)
}
func Go() {
router := mux.NewRouter()
router.Handle("/thumbnail/simple", handlers.NewSimple()).Methods("POST")
router.Handle("/thumbnail/sprite", handlers.NewSprite()).Methods("POST")
router.Handle("/help", handlers.NewHelp()).Methods("GET")
router.Handle("/pulse", handlers.NewPulse()).Methods("GET")
core.VPrintf("Listening for requests on %s:%d...", core.Opts.Host, core.Opts.Port)
conn := core.Opts.Host + ":" + strconv.Itoa(core.Opts.Port)
err := http.ListenAndServe(conn, router)
if err != nil {
panic(err)
}
}
// Execute processes a command instruction.
func (c *SimpleCommand) Execute(inFile, outFile string) {
defer func() {
(*c.chanFinished) <- true
}()
f := ffmpeg.New(inFile)
f.SkipSeconds = core.Opts.SkipSeconds
err := f.CreateThumbnail(core.Opts.Width, outFile)
if err != nil {
(*c.chanError) <- err
return
}
core.VPrintf("Simple thumbnail for video %q written to %q.", inFile, outFile)
}
// getFile returns the uploaded file.
func getFile(w http.ResponseWriter, r *http.Request) *Upload {
files, _ := writeUploadedFiles(r)
if len(files) > 1 {
numErrors++
w.WriteHeader(400)
w.Write([]byte("Only a single file allowed."))
return nil
} else if len(files) == 0 {
numErrors++
w.WriteHeader(400)
w.Write([]byte("No files uploaded."))
return nil
}
core.VPrintf("Got upload %#v\n", files[0])
return &files[0]
}