Lines Matching +full:queue +full:- +full:sizes

1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_CREATE_BUFS - Create buffers for Memory Mapped or User Pointer or DMA Buffer I/O
39 create buffers of different sizes.
53 ``type`` field the requested buffer size (for single-planar) or plane
54 sizes (for multi-planar formats) will be used for the allocated buffers.
63 it is larger, then the value will be used as-is. In other words, the
77 .. flat-table:: struct v4l2_create_buffers
78     :header-rows:  0
79     :stub-columns: 0
82     * - __u32
83       - ``index``
84       - The starting buffer index, returned by the driver.
85     * - __u32
86       - ``count``
87       - The number of buffers requested or granted. If count == 0, then
90 	``format.type``. If those are invalid -1 is returned and errno is
94     * - __u32
95       - ``memory``
96       - Applications set this field to ``V4L2_MEMORY_MMAP``,
99     * - struct :c:type:`v4l2_format`
100       - ``format``
101       - Filled in by the application, preserved by the driver.
102     * - __u32
103       - ``capabilities``
104       - Set by the driver. If 0, then the driver doesn't support
108 	capabilities. See :ref:`here <v4l2-buf-capabilities>` for a list of the
115     * - __u32
116       - ``flags``
117       - Specifies additional buffer management attributes.
118 	See :ref:`memory-flags`.
119     * - __u32
120       - ``max_num_buffers``
121       - If the V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
123         for this queue.
124     * - __u32
125       - ``reserved``\ [5]
126       - A place holder for future extensions. Drivers and applications
132 On success 0 is returned, on error -1 and the ``errno`` variable is set
134 :ref:`Generic Error Codes <gen-errors>` chapter.