1.. -*- coding: utf-8; mode: rst -*- 2 3.. _VIDEO_GET_FRAME_RATE: 4 5==================== 6VIDEO_GET_FRAME_RATE 7==================== 8 9Name 10---- 11 12VIDEO_GET_FRAME_RATE 13 14.. attention:: This ioctl is deprecated. 15 16Synopsis 17-------- 18 19.. c:function:: int ioctl(int fd, VIDEO_GET_FRAME_RATE, unsigned int *rate) 20 :name: VIDEO_GET_FRAME_RATE 21 22 23Arguments 24--------- 25 26.. flat-table:: 27 :header-rows: 0 28 :stub-columns: 0 29 30 31 - .. row 1 32 33 - int fd 34 35 - File descriptor returned by a previous call to open(). 36 37 - .. row 2 38 39 - int request 40 41 - Equals VIDEO_GET_FRAME_RATE for this command. 42 43 - .. row 3 44 45 - unsigned int \*rate 46 47 - Returns the framerate in number of frames per 1000 seconds. 48 49 50Description 51----------- 52 53This ioctl call asks the Video Device to return the current framerate. 54 55 56Return Value 57------------ 58 59On success 0 is returned, on error -1 and the ``errno`` variable is set 60appropriately. The generic error codes are described at the 61:ref:`Generic Error Codes <gen-errors>` chapter. 62