Add HTTP upload example

Author: paulgrammer

examples/http_upload/main.go

@@ -0,0 +1,74 @@
+// Refer to the Shaka Packager HTTP upload tutorial for more details:
+// https://shaka-project.github.io/shaka-packager/html/tutorials/http_upload.html
+// This implementation follows the HTTP upload process, ensuring media segments
+// and MPD files are uploaded correctly to the specified server.
+package main
+
+import (
+	"fmt"
+	"log"
+	"path"
+
+	packlit "github.com/m4urici0gm/packlit/pkg"
+)
+
+func buildFlags(uploadURL string) *packlit.ShakaFlags {
+	return packlit.NewFlags(
+		packlit.WithUserAgentFlag("Packlit-client/1.0"),
+		packlit.WithCaFileFlag("/etc/ssl/certs/ca-certificates.crt"),
+		packlit.WithClientCertFileFlag("/etc/ssl/certs/client-cert.pem"),
+		packlit.WithClientCertPrivateKeyFileFlag("/etc/ssl/private/client-key.pem"),
+		packlit.WithClientCertPrivateKeyPasswordFlag("supersecurepassword"),
+		packlit.WithDisablePeerVerificationFlag(),
+		packlit.WithIgnoreHttpOutputFailuresFlag(),
+		packlit.WithStaticLiveMpd(),
+		packlit.WithSegmentDuration("4"),
+		packlit.WithMpdOutput(path.Join(uploadURL, "h264.mpd")),
+	)
+}
+
+type stream struct {
+	streamType packlit.StreamType
+	input      string
+}
+
+func main() {
+	uploadURL := "http://localhost:6767/vod"
+
+	streams := []stream{
+		{streamType: "audio", input: "audio.mp4"},
+		{streamType: "video", input: "video.mp4"},
+	}
+
+	builder := packlit.NewBuilder()
+	flags := buildFlags(uploadURL)
+
+	for _, stream := range streams {
+		initSegment := path.Join(uploadURL, fmt.Sprintf("%v-init.mp4", stream.streamType))
+		segmentTemplate := path.Join(uploadURL, fmt.Sprintf("%v-$Time$.m4s", stream.streamType))
+
+		builder.WithStream(
+			packlit.NewStreamBuilder().
+				WithInput(stream.input).
+				WithStream(stream.streamType).
+				AddOption(packlit.WithInitSegment(initSegment)).
+				AddOption(packlit.WithSegmentTemplate(segmentTemplate)).
+				Build(),
+		)
+	}
+
+	packager := builder.WithFlag(flags).Build()
+
+	cmd, err := packager.PreviewCommand()
+	if err != nil {
+		log.Fatalf("error: when previewing command %v", err)
+	}
+
+	// Print command
+	log.Println(cmd)
+
+	packagerExecutor := packlit.NewExecutor(packager)
+	if err := packagerExecutor.Run(); err != nil {
+		log.Fatalf("error when running shaka-packager: %v", err)
+	}
+}