RTMP_STREAMING_EVENT
Events during the Media Push.
Enumerator
- RTMP_STREAMING_EVENT_FAILED_LOAD_IMAGE
 - 1: An error occurs when you add a background image or a watermark image in the Media Push.
 - RTMP_STREAMING_EVENT_URL_ALREADY_IN_USE
 - 2: The streaming URL is already being used for Media Push. If you want to start new streaming, use a new streaming URL.
 - RTMP_STREAMING_EVENT_ADVANCED_FEATURE_NOT_SUPPORT
 - 3: The feature is not supported.
 - RTMP_STREAMING_EVENT_REQUEST_TOO_OFTEN
 - 4: Reserved.