3.2.7. DMX_START¶
3.2.7.1. Name¶
DMX_START
3.2.7.3. Arguments¶
fd- File descriptor returned by
open().
3.2.7.4. Description¶
This ioctl call is used to start the actual filtering operation defined via the ioctl calls DMX_SET_FILTER or DMX_SET_PES_FILTER.
3.2.7.5. Return Value¶
On success 0 is returned.
On error -1 is returned, and the errno variable is set
appropriately.
EINVAL |
Invalid argument, i.e. no filtering parameters provided via the DMX_SET_FILTER or DMX_SET_PES_FILTER ioctls. |
EBUSY |
This error code indicates that there are conflicting requests. There are active filters filtering data from another input source. Make sure that these filters are stopped before starting this filter. |
The generic error codes are described at the Generic Error Codes chapter.