feat(google): add media resolution option

.changeset/early-fishes-explain.md

@@ -0,0 +1,5 @@
+---
+'@ai-sdk/google': major
+---
+
+The mediaResolution option has been added and is now passed to the Google API.

packages/google/src/google-generative-ai-language-model.test.ts

@@ -1330,6 +1330,25 @@ describe('doGenerate', () => {
     });
   });
 
+  it('should pass mediaResolution in provider options', async () => {
+    prepareJsonResponse({});
+
+    await model.doGenerate({
+      prompt: TEST_PROMPT,
+      providerOptions: {
+        google: {
+          mediaResolution: 'MEDIA_RESOLUTION_LOW',
+        },
+      },
+    });
+
+    expect(await server.calls[0].requestBodyJson).toMatchObject({
+      generationConfig: {
+        mediaResolution: 'MEDIA_RESOLUTION_LOW',
+      },
+    });
+  });
+
   it('should include non-image inlineData parts', async () => {
     server.urls[TEST_URL_GEMINI_PRO].response = {
       type: 'json-value',

packages/google/src/google-generative-ai-language-model.ts

@@ -162,6 +162,9 @@ export class GoogleGenerativeAILanguageModel implements LanguageModelV2 {
           // provider options:
           responseModalities: googleOptions?.responseModalities,
           thinkingConfig: googleOptions?.thinkingConfig,
+          ...(googleOptions?.mediaResolution && {
+            mediaResolution: googleOptions.mediaResolution,
+          }),
         },
         contents,
         systemInstruction: isGemmaModel ? undefined : systemInstruction,

packages/google/src/google-generative-ai-options.ts

@@ -111,6 +111,20 @@ Optional. A list of unique safety settings for blocking unsafe content.
    * https://cloud.google.com/vertex-ai/generative-ai/docs/multimodal/add-labels-to-api-calls
    */
   labels: z.record(z.string(), z.string()).optional(),
+
+  /**
+   * Optional. If specified, the media resolution specified will be used.
+   *
+   * https://ai.google.dev/api/generate-content#MediaResolution
+   */
+  mediaResolution: z
+    .enum([
+      'MEDIA_RESOLUTION_UNSPECIFIED',
+      'MEDIA_RESOLUTION_LOW',
+      'MEDIA_RESOLUTION_MEDIUM',
+      'MEDIA_RESOLUTION_HIGH',
+    ])
+    .optional(),
 });
 
 export type GoogleGenerativeAIProviderOptions = z.infer<