# Large Video Upload
-This python sample demonstrates the following process of uploading large video files asynchronously with the Twitter API.
+This Python sample demonstrates the following process of uploading large video files asynchronously with the Twitter API.
1. **INIT** media upload.
2. **APPEND** chunked data.
3. **FINALIZE** media uploaded.
4. Check **STATUS** of video processing.
-5. Tweeting with attached video.
-
-Large video files are longer than 30 second up to 140 seconds and/or a file size larger than 15 megabytes up to 512 megabytes.
+5. Tweet with attached video.
+Large video files are longer than 30 seconds up to 140 seconds, and/or a file size larger than 15 megabytes up to 512 megabytes.
+[Learn more](https://dev.twitter.com/rest/media) about the Twitter Media APIs. Pay attention to the other requirements such as encoding, frame size and video formats supported.
## Running the sample
1. Install requirements:
```
- $ pip install requirements.txt
+ $ pip install -r requirements.txt
```
-2. Fill in your consumer keys and access tokens in `async-upload.py`:
+2. Fill in your [consumer keys and access tokens](https://apps.twitter.com) in `async-upload.py`:
```
CONSUMER_KEY = 'your-consumer-key'
ACCESS_TOKEN_SECRET = 'your-access-secret'
```
-3. Run script:
+3. Edit path to your video file in `async-upload.py`:
+
+ ```
+ VIDEO_FILENAME = 'path/to/video/file'
+ ```
+
+4. Run script:
```
$ python async-upload.py
- ```
\ No newline at end of file
+ ```
+
+Questions? Check our [developer discussion forums](https://https://twittercommunity.com/c/media-apis).