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Video Manipulation
Steve Nolen edited this page May 1, 2015
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All of the media objects (i.e. image, audio, video, document) have the same access rules, but the data returned will vary from API to API.
| Operation | Participant | Author | Analyst | Supervisor |
|---|---|---|---|---|
| Read Their Own Private or Shared Media Objects | anytime | N/A | N/A | N/A |
| Read Someone Else's Shared Media Objects | never | anytime | if the campaign is shared | anytime |
| Read Someone Else's Private Media Objects | never | never | never | anytime |
DEPRECATION NOTICE: Please instead use the media/read api.
Allows users to read video data that are part of the survey response. This can be made with a HTTP GET or POST call.
video/read
- (r) auth_token = A valid authentication token from user/auth_token. May also be set using the Set-Cookie header.
- (r) user = A username of the user attempting to login
- (r) password = A hashed password for the above user.
- (r) client = A short description of the software client performing the upload.
- (r) video_id = The uuid of the video being requested.
POST /app/video/read HTTP/1.1
Host: dev.ohmage.org
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7
Content-Length: byte-length-of-content
Content-Type: application/x-www-form-urlencoded
auth_token=0ec4dac0-5293-11e1-a8e1-c82a142568c4
&client=curl
&video_id=1c99b4cc-5293-11e1-a501-c82a142568c4
curl -v "http://localhost:8080/app/audio/read?client=curl&video_id=bea5a419-8a23-4f8a-a501-07b5dc863a69&auth_token=22283b32-f2af-442b-808e-17a830cca00c" > kitty.mpg
The requested video file is returned in the HTTP stream.
See the error page for a description of error codes and their associated descriptions.