feat(llm): add video and audio media support to Gemini protocol (#31889)

Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>

packages/llm/src/protocols/gemini.ts

@@ -21,7 +21,7 @@ import { GeminiToolSchema } from "./utils/gemini-tool-schema"
 import { Lifecycle } from "./utils/lifecycle"
 
 const ADAPTER = "gemini"
-const IMAGE_MIMES = new Set<string>(ProviderShared.IMAGE_MIMES)
+const MEDIA_MIMES = new Set<string>(ProviderShared.MEDIA_MIMES)
 export const DEFAULT_BASE_URL = "https://generativelanguage.googleapis.com/v1beta"
 
 // =============================================================================
@@ -182,7 +182,7 @@ const lowerToolConfig = (toolChoice: NonNullable<LLMRequest["toolChoice"]>) =>
 
 const lowerUserPart = Effect.fn("Gemini.lowerUserPart")(function* (part: TextPart | MediaPart) {
   if (part.type === "text") return { text: part.text }
-  const media = yield* ProviderShared.validateMedia("Gemini", part, IMAGE_MIMES)
+  const media = yield* ProviderShared.validateMedia("Gemini", part, MEDIA_MIMES)
   return { inlineData: { mimeType: media.mime, data: media.base64 } }
 })
 
@@ -275,7 +275,7 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
       })
       for (const item of content) {
         if (item.type === "text") continue
-        const media = yield* ProviderShared.validateToolFile("Gemini", item, IMAGE_MIMES)
+        const media = yield* ProviderShared.validateToolFile("Gemini", item, MEDIA_MIMES)
         parts.push({ inlineData: { mimeType: media.mime, data: media.base64 } })
       }
     }

packages/llm/src/protocols/shared.ts

@@ -188,8 +188,11 @@ export const parseToolInput = (route: string, name: string, raw: string) =>
   parseJson(route, raw || "{}", `Invalid JSON input for ${route} tool call ${name}`)
 
 export const IMAGE_MIMES = ["image/png", "image/jpeg", "image/gif", "image/webp"] as const
-export const MAX_MEDIA_ENCODED_BYTES = 8 * 1024 * 1024
-export const MAX_MEDIA_DECODED_BYTES = 6 * 1024 * 1024
+export const VIDEO_MIMES = ["video/mp4", "video/webm", "video/quicktime"] as const
+export const AUDIO_MIMES = ["audio/wav", "audio/mp3", "audio/aiff", "audio/aac", "audio/ogg", "audio/flac"] as const
+export const MEDIA_MIMES = [...IMAGE_MIMES, ...VIDEO_MIMES, ...AUDIO_MIMES] as const
+export const MAX_MEDIA_ENCODED_BYTES = 28 * 1024 * 1024
+export const MAX_MEDIA_DECODED_BYTES = 20 * 1024 * 1024
 
 const base64Pattern = /^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/