hi_mpi_vi_pipe_get_buffer
The
The
Description
Obtains internal free memory blocks for users to specify input data.
Restrictions
- This API can be called only after a VI pipe is created by calling hi_mpi_vi_create_pipe.
Prototype
hi_s32 hi_mpi_vi_pipe_get_buffer(hi_vi_pipe vi_pipe, hi_video_frame_info *frame_info)
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
vi_pipe |
Input |
Pipe ID. Value range: [0, 12) |
frame_info |
Output |
Pointer to the video information structure. |
Returns
- 0: success
- Other values: failure. For details, see VI Return Codes.
Parent topic: VI