func TextGenMultimodalVideoPromptStreaming()

in go/text_generation.go [392:448]
48 lines of code
8 McCabe index (conditional complexity)

func TextGenMultimodalVideoPromptStreaming() error {
	// [START text_gen_multimodal_video_prompt_streaming]
	ctx := context.Background()
	client, err := genai.NewClient(ctx, &genai.ClientConfig{
		APIKey:  os.Getenv("GEMINI_API_KEY"),
		Backend: genai.BackendGeminiAPI,
	})
	if err != nil {
		log.Fatal(err)
	}

	file, err := client.Files.UploadFromPath(
		ctx, 
		filepath.Join(getMedia(), "Big_Buck_Bunny.mp4"), 
		&genai.UploadFileConfig{
			MIMEType : "video/mp4",
		},
	)
	if err != nil {
		log.Fatal(err)
	}

	// Poll until the video file is completely processed (state becomes ACTIVE).
	for file.State == genai.FileStateUnspecified || file.State != genai.FileStateActive {
		fmt.Println("Processing video...")
		fmt.Println("File state:", file.State)
		time.Sleep(5 * time.Second)

		file, err = client.Files.Get(ctx, file.Name, nil)
		if err != nil {
			log.Fatal(err)
		}
	}

	parts := []*genai.Part{
		genai.NewPartFromText("Describe this video clip"),
		genai.NewPartFromURI(file.URI, file.MIMEType),
	}

	contents := []*genai.Content{
		genai.NewContentFromParts(parts, genai.RoleUser),
	}

	for result, err := range client.Models.GenerateContentStream(
		ctx,
		"gemini-2.0-flash",
		contents,
		nil,
	) {
		if err != nil {
			log.Fatal(err)
		}
		fmt.Print(result.Candidates[0].Content.Parts[0].Text)
	}
	// [END text_gen_multimodal_video_prompt_streaming]
	return err
}