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multimodalvideoaudio.go
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multimodalvideoaudio.go
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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// multimodalvideoaudio shows an example of understanding as multimodal input a video having audio
package multimodalvideoaudio
// [START generativeaionvertexai_gemini_video_with_audio]
import (
"context"
"errors"
"fmt"
"io"
"mime"
"path/filepath"
"cloud.google.com/go/vertexai/genai"
)
// generateMultimodalContent shows how to send video and text prompts to a model, writing the response to
// the provided io.Writer.
// video is a Google Cloud Storage path starting with "gs://"
func generateMultimodalContent(w io.Writer, prompt, video, projectID, location, modelName string) error {
// prompt := `
// Provide a description of the video.
// The description should also contain anything important which people say in the video.
// `
// video := "gs://cloud-samples-data/generative-ai/video/pixel8.mp4"
// location := "us-central1"
// modelName := "gemini-1.5-pro-preview-0409"
ctx := context.Background()
client, err := genai.NewClient(ctx, projectID, location)
if err != nil {
return fmt.Errorf("unable to create client: %w", err)
}
defer client.Close()
model := client.GenerativeModel(modelName)
// Given a video file URL, prepare video file as genai.Part
part := genai.FileData{
MIMEType: mime.TypeByExtension(filepath.Ext(video)),
FileURI: video,
}
res, err := model.GenerateContent(ctx, part, genai.Text(prompt))
if err != nil {
return fmt.Errorf("unable to generate contents: %w", err)
}
if len(res.Candidates) == 0 ||
len(res.Candidates[0].Content.Parts) == 0 {
return errors.New("empty response from model")
}
fmt.Fprintf(w, "generated response: %s\n", res.Candidates[0].Content.Parts[0])
return nil
}
// [END generativeaionvertexai_gemini_video_with_audio]