Implement ffmpeg building

types/ffmpeg.go

@@ -0,0 +1,53 @@
+package types
+
+type FFmpegCommand struct {
+	Args        []Arg  `json:"args"`
+	InputFiles  []File `json:"input_files"`
+	OutputFiles []File `json:"output_files"`
+}
+
+type File struct {
+	Path      string `json:"path"`
+	Arguments []Arg  `json:"args"`
+}
+
+type Arg struct {
+	Flag  string `json:"flag"`
+	Value string `json:"value"`
+}
+
+func (c *FFmpegCommand) GetArgs() []string {
+	args := []string{}
+
+	for _, a := range c.Args {
+		args = append(args, a.Flag)
+		if a.Value != "" {
+			args = append(args, a.Value)
+		}
+	}
+
+	for _, i := range c.InputFiles {
+		for _, a := range i.Arguments {
+			args = append(args, a.Flag)
+			if a.Value != "" {
+				args = append(args, a.Value)
+			}
+		}
+		args = append(args, "-i", i.Path)
+	}
+
+	for _, i := range c.OutputFiles {
+		for _, a := range i.Arguments {
+			args = append(args, a.Flag)
+			if a.Value != "" {
+				args = append(args, a.Value)
+			}
+		}
+		args = append(args, i.Path)
+	}
+
+	return args
+}
+
+// ffmpeg -loglevel error -stats
+// ffmpeg.exe -stats -v error -i "in.mp4" -f null -max_muxing_queue_size 9999 "out.mp4"