Video Device Buffer

The following code block shows the data structure for the video device buffer structure. 
typedef struct _ST_VDO_BUF {
    STF_U32 u32Index;
    STF_INT nDmaBufFd;
    STF_U32 u32Length;
    STF_VOID *pvBuffer;
} ST_VDO_BUF, *PST_VDO_BUF;
The following table describes the fields in the above code block.
Table 1. Video Device Buffer Field Description
Field Description
u32Index Buffer index
nDmaBufFd DMA buffer file descriptor
u32Length DMA buffer size
pvBuffer Point to user space buffer