docs(genai): Update Video Samples to follow recommended practices (#13183)

Author: holtskinner

genai/text_generation/textgen_with_local_video.py

@@ -29,8 +29,8 @@ def generate_content() -> str:
     response = client.models.generate_content(
         model=model_id,
         contents=[
-            "Write a short and engaging blog post based on this video.",
             Part.from_bytes(data=video_content, mime_type="video/mp4"),
+            "Write a short and engaging blog post based on this video.",
         ],
     )
 

genai/text_generation/textgen_with_mute_video.py

@@ -22,11 +22,11 @@ def generate_content() -> str:
     response = client.models.generate_content(
         model="gemini-2.0-flash-001",
         contents=[
-            "What is in the video?",
             Part.from_uri(
                 file_uri="gs://cloud-samples-data/generative-ai/video/ad_copy_from_video.mp4",
                 mime_type="video/mp4",
             ),
+            "What is in the video?",
         ],
     )
     print(response.text)

genai/text_generation/textgen_with_video.py

@@ -27,11 +27,11 @@ def generate_content() -> str:
     response = client.models.generate_content(
         model="gemini-2.0-flash-001",
         contents=[
-            prompt,
             Part.from_uri(
                 file_uri="gs://cloud-samples-data/generative-ai/video/pixel8.mp4",
                 mime_type="video/mp4",
             ),
+            prompt,
         ],
     )
 

genai/text_generation/textgen_with_youtube_video.py

@@ -23,16 +23,13 @@ def generate_content() -> str:
     client = genai.Client(http_options=HttpOptions(api_version="v1"))
     model_id = "gemini-2.0-flash-001"
 
-    # You can include text, PDF documents, images, audio and video in your prompt requests and get text or code responses.
-    video = Part.from_uri(
-        file_uri="https://www.youtube.com/watch?v=3KtWfp0UopM",
-        mime_type="video/mp4",
-    )
-
     response = client.models.generate_content(
         model=model_id,
         contents=[
-            video,
+            Part.from_uri(
+                file_uri="https://www.youtube.com/watch?v=3KtWfp0UopM",
+                mime_type="video/mp4",
+            ),
             "Write a short and engaging blog post based on this video.",
         ],
     )