Searched refs:VIDIOC_DQBUF (Results 1 – 24 of 24) sorted by relevance
| /linux/Documentation/userspace-api/media/v4l/ |
| A D | vidioc-qbuf.rst | 7 ioctl VIDIOC_QBUF, VIDIOC_DQBUF
13 VIDIOC_QBUF - VIDIOC_DQBUF - Exchange a buffer with the driver
22 .. c:macro:: VIDIOC_DQBUF
24 ``int ioctl(int fd, VIDIOC_DQBUF, struct v4l2_buffer *argp)``
123 Applications call the ``VIDIOC_DQBUF`` ioctl to dequeue a filled
127 ``VIDIOC_DQBUF`` is called with a pointer to this structure the driver
143 By default ``VIDIOC_DQBUF`` blocks when no buffer is in the outgoing
145 :c:func:`open()` function, ``VIDIOC_DQBUF`` returns
170 ``VIDIOC_DQBUF`` failed due to an internal error. Can also indicate
184 ``VIDIOC_DQBUF`` returns this on an empty capture queue for mem2mem
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| A D | dmabuf.rst | 122 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. The driver can unlock the
136 more buffers can be dequeued. By default :ref:`VIDIOC_DQBUF
139 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` returns immediately with an ``EAGAIN``
159 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`, :ref:`VIDIOC_STREAMON
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| A D | userp.rst | 61 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. The driver can unlock the
80 more buffers can be dequeued. By default :ref:`VIDIOC_DQBUF
83 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` returns immediately with an ``EAGAIN``
103 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`, :ref:`VIDIOC_STREAMON <VIDIOC_STREAMON>`
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| A D | func-select.rst | 53 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. When buffers are already in
63 or ``writefds``, but subsequent :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`
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| A D | capture.c.rst | 115 if (-1 == xioctl(fd, VIDIOC_DQBUF, &buf)) {
126 errno_exit("VIDIOC_DQBUF");
144 if (-1 == xioctl(fd, VIDIOC_DQBUF, &buf)) {
155 errno_exit("VIDIOC_DQBUF");
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| A D | buffer.rst | 18 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. In the multi-planar API,
172 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`, then it is set by the
475 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl is called. Set by the
488 ``VIDIOC_DQBUF`` always cleared.
496 calling the ``VIDIOC_QBUF`` or ``VIDIOC_DQBUF`` it is always
509 normally. Drivers set this flag when the ``VIDIOC_DQBUF`` ioctl is
520 - Drivers set or clear this flag when calling the ``VIDIOC_DQBUF``
548 when the ``VIDIOC_DQBUF`` ioctl is called. Applications can set
560 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl is called.
604 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl is called. Due to
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| A D | mmap.rst | 235 :ref:`VIVIOC_QBUF <VIDIOC_QBUF>` and :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`
239 buffers can be dequeued. By default :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`
242 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` returns immediately with an ``EAGAIN``
259 <VIDIOC_QUERYBUF>`, :ref:`VIDIOC_QBUF <VIDIOC_QBUF>`, :ref:`VIDIOC_DQBUF
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| A D | func-open.rst | 36 function and the :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl will
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| A D | planar-apis.rst | 54 :ref:`VIDIOC_QBUF <VIDIOC_QBUF>`, :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`, :ref:`VIDIOC_QUERYBUF <VIDIOC_…
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| A D | v4l2grab.c.rst | 146 xioctl(fd, VIDIOC_DQBUF, &buf);
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| A D | func-poll.rst | 37 the :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. For output devices this
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| A D | dev-decoder.rst | 350 ``OUTPUT`` queue via :c:func:`VIDIOC_QBUF` and :c:func:`VIDIOC_DQBUF`. The
698 :c:func:`VIDIOC_QBUF` and :c:func:`VIDIOC_DQBUF`, following the standard
941 :c:func:`VIDIOC_DQBUF`.
1024 :c:func:`VIDIOC_DQBUF`.
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| A D | dev-encoder.rst | 451 queues via :c:func:`VIDIOC_QBUF` and :c:func:`VIDIOC_DQBUF`, following the
604 :c:func:`VIDIOC_DQBUF`.
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| A D | hist-v4l2.rst | 708 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctls did not mention the
710 also missing from examples. Also on the ``VIDIOC_DQBUF`` page the ``EIO``
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| A D | dev-sliced-vbi.rst | 194 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. Drivers set this field
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| A D | diff-v4l.rst | 555 queue with the :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. To wait
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| /linux/Documentation/userspace-api/media/mediactl/ |
| A D | request-api.rst | 175 regular :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`:
183 if (ioctl(codec_fd, VIDIOC_DQBUF, &buf))
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| /linux/drivers/media/v4l2-core/ |
| A D | v4l2-compat-ioctl32.c | 901 return VIDIOC_DQBUF; in v4l2_compat_translate_cmd()
910 return VIDIOC_DQBUF; in v4l2_compat_translate_cmd()
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| A D | v4l2-ioctl.c | 2767 IOCTL_INFO(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE),
2986 (cmd == VIDIOC_QBUF || cmd == VIDIOC_DQBUF)) in __video_do_ioctl()
3019 case VIDIOC_DQBUF: { in check_array_args()
3107 return VIDIOC_DQBUF; in video_translate_cmd()
3329 if (cmd == VIDIOC_DQBUF) in video_usercopy()
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| A D | v4l2-dev.c | 717 SET_VALID_IOCTL(ops, VIDIOC_DQBUF, vidioc_dqbuf); in determine_valid_ioctls()
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| /linux/Documentation/driver-api/media/ |
| A D | v4l2-dev.rst | 154 ioctls. That way your ``VIDIOC_DQBUF`` doesn't stall because the driver is busy
289 VIDIOC_DQBUF ioctls.
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| /linux/Documentation/translations/zh_CN/video4linux/ |
| A D | v4l2-framework.txt | 621 例如: v4l2_disable_ioctl_locking(vdev, VIDIOC_DQBUF);
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| /linux/include/uapi/linux/ |
| A D | videodev2.h | 2541 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) macro
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| /linux/Documentation/userspace-api/media/ |
| A D | videodev2.h.rst.exceptions | 561 replace ioctl VIDIOC_DQBUF vidioc_qbuf
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