hi_tde_begin_job

Description

Creates a TDE job and obtains the job handle. The TDE manages TDE commands as job. A TDE job corresponds to a set of one or more TDE commands. The commands in a TDE job are executed in sequence, as shown in the following figure. After a TDE job is created and a TDE command is added, you can submit the job by calling hi_tde_end_job.

Restrictions

• This API can be called only after the TDE device is opened by calling hi_tde_open.

• The TDE can execute a maximum of 200 jobs or commands at the same time.
• hi_tde_begin_job must be used with hi_tde_end_job.
• This API does not support multiple processes.

Prototype

hi_s32 hi_tde_begin_job(hi_void)

Parameters

None

Returns

• Positive number: obtained job handles.
• Negative number: failure. For details, see Return Codes for TDE Graphics Drawing.