The type of a GST_MESSAGE_PROGRESS. The progress messages inform the
application of the status of assynchronous tasks.
GST_PROGRESS_TYPE_START
A new task started.
GST_PROGRESS_TYPE_CONTINUE
A task completed and a new one continues.
GST_PROGRESS_TYPE_COMPLETE
A task completed.
GST_PROGRESS_TYPE_CANCELED
A task was canceled.
GST_PROGRESS_TYPE_ERROR
A task caused an error. An error message is also
posted on the bus.
The type of a GST_MESSAGE_PROGRESS. The progress messages inform the application of the status of assynchronous tasks. GST_PROGRESS_TYPE_START A new task started. GST_PROGRESS_TYPE_CONTINUE A task completed and a new one continues. GST_PROGRESS_TYPE_COMPLETE A task completed. GST_PROGRESS_TYPE_CANCELED A task was canceled. GST_PROGRESS_TYPE_ERROR A task caused an error. An error message is also posted on the bus.