// 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)
}
// ServeHTTP implements http.Handler.ServeHTTP.
func (h *SimpleHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
file := getFile(w, r)
if file == nil {
return
}
width := DefaultSimpleWidth
skip := core.Opts.SkipSeconds
query := r.URL.Query()
if w, ok := query["width"]; ok {
width = atoi(w[0])
}
if s, ok := query["skip"]; ok {
skip = atoi(s[0])
}
temp := getTempFile()
ff := ffmpeg.New(file.Temp)
ff.SkipSeconds = skip
err := ff.CreateThumbnail(width, temp)
if err != nil {
numErrors++
w.WriteHeader(500)
w.Write([]byte(err.Error()))
return
}
numRequests++
w.Header().Set("Content-Disposition", "attachment; filename=thumbnail.jpg")
w.Header().Set("Content-Type", "image/jpeg")
writeFileToResponse(temp, w)
}
// 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)
}