feat(generative-ai): Add all modalities sample for Gemini 1.5 (#3664)

Co-authored-by: Patti Shin <[email protected]>

Author: gericdong

generative-ai/snippets/gemini-all-modalities.js

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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
+//
+//     https://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.
+
+// [START generativeaionvertexai_gemini_all_modalities]
+const {VertexAI} = require('@google-cloud/vertexai');
+
+/**
+ * TODO(developer): Update these variables before running the sample.
+ */
+async function analyze_all_modalities(projectId = 'PROJECT_ID') {
+  const vertexAI = new VertexAI({project: projectId, location: 'us-central1'});
+
+  const generativeModel = vertexAI.getGenerativeModel({
+    model: 'gemini-1.5-pro-preview-0409',
+  });
+
+  const videoFilePart = {
+    file_data: {
+      file_uri:
+        'gs://cloud-samples-data/generative-ai/video/behind_the_scenes_pixel.mp4',
+      mime_type: 'video/mp4',
+    },
+  };
+  const imageFilePart = {
+    file_data: {
+      file_uri:
+        'gs://cloud-samples-data/generative-ai/image/a-man-and-a-dog.png',
+      mime_type: 'image/png',
+    },
+  };
+
+  const textPart = {
+    text: `
+    Watch each frame in the video carefully and answer the questions.
+    Only base your answers strictly on what information is available in the video attached.
+    Do not make up any information that is not part of the video and do not be too
+    verbose, be to the point.
+
+    Questions:
+    - When is the moment in the image happening in the video? Provide a timestamp.
+    - What is the context of the moment and what does the narrator say about it?`,
+  };
+
+  const request = {
+    contents: [{role: 'user', parts: [videoFilePart, imageFilePart, textPart]}],
+  };
+
+  const resp = await generativeModel.generateContent(request);
+  const contentResponse = await resp.response;
+  console.log(JSON.stringify(contentResponse));
+}
+// [END generativeaionvertexai_gemini_all_modalities]
+
+analyze_all_modalities(...process.argv.slice(2)).catch(err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});

generative-ai/snippets/test/gemini-all-modalities.test.js

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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
+//
+//     https://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.
+
+'use strict';
+
+const {assert} = require('chai');
+const {describe, it} = require('mocha');
+const cp = require('child_process');
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+
+const projectId = process.env.CAIP_PROJECT_ID;
+
+describe('Process all modalities', async () => {
+  it('should process all modalities', async () => {
+    const output = execSync(`node ./gemini-all-modalities.js ${projectId}`);
+
+    assert(output.length > 0);
+  });
+});