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Searched refs:VIDIOC_REQBUFS (Results 1 – 25 of 40) sorted by relevance

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/OK3568_Linux_fs/kernel/Documentation/userspace-api/media/v4l/
H A Ddmabuf.rst26 determined by calling the :ref:`VIDIOC_REQBUFS <VIDIOC_REQBUFS>`
38 :ref:`VIDIOC_REQBUFS <VIDIOC_REQBUFS>` with the desired buffer type.
52 if (ioctl(fd, VIDIOC_REQBUFS, &reqbuf) == -1) {
56 perror("VIDIOC_REQBUFS");
126 :ref:`VIDIOC_REQBUFS <VIDIOC_REQBUFS>`, or when the device is closed.
158 :ref:`VIDIOC_REQBUFS <VIDIOC_REQBUFS>`, :ref:`VIDIOC_QBUF <VIDIOC_QBUF>`,
H A Dvidioc-reqbufs.rst7 ioctl VIDIOC_REQBUFS
13 VIDIOC_REQBUFS - Initiate Memory Mapping, User Pointer I/O or DMA buffer I/O
18 .. c:macro:: VIDIOC_REQBUFS
20 ``int ioctl(int fd, VIDIOC_REQBUFS, struct v4l2_requestbuffers *argp)``
61 Applications can call :ref:`VIDIOC_REQBUFS` again to change the number of
63 then :ref:`VIDIOC_REQBUFS` can only succeed if the
65 :ref:`VIDIOC_REQBUFS` will return the ``EBUSY`` error code.
144 - The kernel allows calling :ref:`VIDIOC_REQBUFS` while buffers are still
H A Duserp.rst15 must be determined by calling the :ref:`VIDIOC_REQBUFS` ioctl
25 :ref:`VIDIOC_REQBUFS` with the desired buffer type.
41 if (ioctl (fd, VIDIOC_REQBUFS, &reqbuf) == -1) {
45 perror ("VIDIOC_REQBUFS");
65 :ref:`VIDIOC_REQBUFS`, or when the device is closed.
102 :ref:`VIDIOC_REQBUFS <VIDIOC_REQBUFS>`, :ref:`VIDIOC_QBUF <VIDIOC_QBUF>`,
H A Dmmap.rst15 supported applications must call the :ref:`VIDIOC_REQBUFS` ioctl
33 :ref:`VIDIOC_REQBUFS` ioctl with the desired number
73 if (-1 == ioctl (fd, VIDIOC_REQBUFS, &reqbuf)) {
77 perror("VIDIOC_REQBUFS");
146 if (ioctl(fd, VIDIOC_REQBUFS, &reqbuf) < 0) {
150 perror("VIDIOC_REQBUFS");
258 :ref:`VIDIOC_REQBUFS <VIDIOC_REQBUFS>`, :ref:`VIDIOC_QUERYBUF
H A Dio.rst20 :ref:`VIDIOC_REQBUFS` ioctl. The asynchronous I/O
35 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` and :ref:`VIDIOC_REQBUFS` would permit this to some
H A Dvidioc-expbuf.rst38 :ref:`VIDIOC_REQBUFS` ioctl.
46 :ref:`VIDIOC_REQBUFS` (struct
133 :ref:`VIDIOC_REQBUFS` and/or
H A Dplanar-apis.rst60 :ref:`VIDIOC_REQBUFS <VIDIOC_REQBUFS>`
H A Dvidioc-querybuf.rst36 been allocated with the :ref:`VIDIOC_REQBUFS` ioctl.
44 :ref:`VIDIOC_REQBUFS` (struct
H A Dvidioc-qbuf.rst48 :ref:`VIDIOC_REQBUFS` (struct
82 :ref:`VIDIOC_REQBUFS` ioctl is called, or until the
98 :ref:`VIDIOC_REQBUFS` ioctl is called, or until the
116 :ref:`VIDIOC_STREAMOFF <VIDIOC_STREAMON>` or calling :ref:`VIDIOC_REQBUFS`
H A Dvidioc-streamon.rst61 :ref:`VIDIOC_REQBUFS` and can be restarted
68 calling :ref:`VIDIOC_REQBUFS` and can be restarted
H A Dcapture.c.rst333 if (-1 == xioctl(fd, VIDIOC_REQBUFS, &req)) {
339 errno_exit("VIDIOC_REQBUFS");
391 if (-1 == xioctl(fd, VIDIOC_REQBUFS, &req)) {
397 errno_exit("VIDIOC_REQBUFS");
H A Dfunc-mmap.rst108 allocated with the :ref:`VIDIOC_REQBUFS` ioctl
133 :ref:`VIDIOC_REQBUFS` ioctl.
H A Dbuffer.rst84 and free all buffers with the :c:func:`VIDIOC_REQBUFS` ioctl if they are
91 #. VIDIOC_REQBUFS(0)
94 #. VIDIOC_REQBUFS(n)
98 The second :c:func:`VIDIOC_REQBUFS` call will take the new format and control
174 allocated with the :ref:`VIDIOC_REQBUFS` ioctl
284 :ref:`VIDIOC_REQBUFS` and/or
343 :ref:`VIDIOC_REQBUFS` and/or
H A Ddev-stateless-decoder.rst26 ``OUTPUT`` queue when :c:func:`VIDIOC_REQBUFS` or :c:func:`VIDIOC_CREATE_BUFS`
169 6. Allocate source (bytestream) buffers via :c:func:`VIDIOC_REQBUFS` on
193 7. Allocate destination (raw format) buffers via :c:func:`VIDIOC_REQBUFS` on the
406 4. Free all ``CAPTURE`` buffers by calling :c:func:`VIDIOC_REQBUFS` on the
H A Dv4l2grab.c.rst94 xioctl(fd, VIDIOC_REQBUFS, &req);
H A Dformat.rst55 with the :ref:`VIDIOC_REQBUFS` ioctl or implicit
H A Dvidioc-create-bufs.rst37 :ref:`VIDIOC_REQBUFS` ioctl, when a tighter control
/OK3568_Linux_fs/external/camera_engine_rkaiq/rk_stream/rkvi_demo/
H A Drkvi_demo_isp.c_part46 if (-1 == xioctl(g_ispfd, VIDIOC_REQBUFS, &req)) {
51 errno_exit("VIDIOC_REQBUFS");
/OK3568_Linux_fs/external/camera_engine_rkaiq/rkaiq/xcore/
H A Dv4l2_device.cpp785 if (io_control (VIDIOC_REQBUFS, &request_buf) < 0) { in prepare()
816 if (io_control (VIDIOC_REQBUFS, &request_buf) < 0) { in prepare()
1055 if (io_control (VIDIOC_REQBUFS, &request_buf) < 0) { in prepare()
1070 if (io_control (VIDIOC_REQBUFS, &request_buf) < 0) { in prepare()
/OK3568_Linux_fs/yocto/meta-rockchip/dynamic-layers/recipes-browser/chromium/chromium_109.0.5414/
H A D0001-media-gpu-v4l2-Support-V4L2-VDA-with-libv4l2-on-Linu.patch249 int ret = device_->Ioctl(VIDIOC_REQBUFS, &reqbufs);
259 int ret = device_->Ioctl(VIDIOC_REQBUFS, &reqbufs);
/OK3568_Linux_fs/yocto/meta-rockchip/dynamic-layers/recipes-browser/chromium/chromium_111.0.5563/
H A D0001-media-gpu-v4l2-Support-V4L2-VDA-with-libv4l2-on-Linu.patch249 int ret = device_->Ioctl(VIDIOC_REQBUFS, &reqbufs);
259 int ret = device_->Ioctl(VIDIOC_REQBUFS, &reqbufs);
/OK3568_Linux_fs/yocto/meta-rockchip/dynamic-layers/recipes-browser/chromium/chromium_105.0.5195/
H A D0001-Add-support-for-V4L2-VDA-and-VEA-on-Linux.patch241 int ret = device_->Ioctl(VIDIOC_REQBUFS, &reqbufs);
251 int ret = device_->Ioctl(VIDIOC_REQBUFS, &reqbufs);
/OK3568_Linux_fs/app/forlinx/flapp/src/plugins/imxx11/camera/
H A Dcamera.cpp220 if (-1 == xioctl(fd, VIDIOC_REQBUFS, &req)) in mmapInit()
/OK3568_Linux_fs/app/forlinx/flapp/src/plugins/imxx11/usbcamera/
H A Dcamera.cpp148 ret = ::ioctl(fd, VIDIOC_REQBUFS, &reqbuf); in camera_init()
/OK3568_Linux_fs/external/mpp/utils/
H A Dcamera_source.c189 if (-1 == camera_source_ioctl(ctx->fd, VIDIOC_REQBUFS, &req)) { in camera_source_init()

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