media/v4l/libv4l-introduction.rst

25 found in V4L2 drivers into a few common RGB and YUY formats.
27 It currently accepts the following V4L2 driver formats:
28 :ref:`V4L2_PIX_FMT_BGR24 <V4L2-PIX-FMT-BGR24>`,
29 :ref:`V4L2_PIX_FMT_NV12_16L16 <V4L2-PIX-FMT-NV12-16L16>`,
30 :ref:`V4L2_PIX_FMT_JPEG <V4L2-PIX-FMT-JPEG>`,
31 :ref:`V4L2_PIX_FMT_MJPEG <V4L2-PIX-FMT-MJPEG>`,
32 :ref:`V4L2_PIX_FMT_MR97310A <V4L2-PIX-FMT-MR97310A>`,
33 :ref:`V4L2_PIX_FMT_OV511 <V4L2-PIX-FMT-OV511>`,
34 :ref:`V4L2_PIX_FMT_OV518 <V4L2-PIX-FMT-OV518>`,
35 :ref:`V4L2_PIX_FMT_PAC207 <V4L2-PIX-FMT-PAC207>`,
36 :ref:`V4L2_PIX_FMT_PJPG <V4L2-PIX-FMT-PJPG>`,
37 :ref:`V4L2_PIX_FMT_RGB24 <V4L2-PIX-FMT-RGB24>`,
38 :ref:`V4L2_PIX_FMT_SBGGR8 <V4L2-PIX-FMT-SBGGR8>`,
39 :ref:`V4L2_PIX_FMT_SGBRG8 <V4L2-PIX-FMT-SGBRG8>`,
40 :ref:`V4L2_PIX_FMT_SGRBG8 <V4L2-PIX-FMT-SGRBG8>`,
41 :ref:`V4L2_PIX_FMT_SN9C10X <V4L2-PIX-FMT-SN9C10X>`,
42 :ref:`V4L2_PIX_FMT_SN9C20X_I420 <V4L2-PIX-FMT-SN9C20X-I420>`,
43 :ref:`V4L2_PIX_FMT_SPCA501 <V4L2-PIX-FMT-SPCA501>`,
44 :ref:`V4L2_PIX_FMT_SPCA505 <V4L2-PIX-FMT-SPCA505>`,
45 :ref:`V4L2_PIX_FMT_SPCA508 <V4L2-PIX-FMT-SPCA508>`,
46 :ref:`V4L2_PIX_FMT_SPCA561 <V4L2-PIX-FMT-SPCA561>`,
47 :ref:`V4L2_PIX_FMT_SQ905C <V4L2-PIX-FMT-SQ905C>`,
48 :ref:`V4L2_PIX_FMT_SRGGB8 <V4L2-PIX-FMT-SRGGB8>`,
49 :ref:`V4L2_PIX_FMT_UYVY <V4L2-PIX-FMT-UYVY>`,
50 :ref:`V4L2_PIX_FMT_YUV420 <V4L2-PIX-FMT-YUV420>`,
51 :ref:`V4L2_PIX_FMT_YUYV <V4L2-PIX-FMT-YUYV>`,
52 :ref:`V4L2_PIX_FMT_YVU420 <V4L2-PIX-FMT-YVU420>`, and
53 :ref:`V4L2_PIX_FMT_YVYU <V4L2-PIX-FMT-YVYU>`.
72 applications work with v4l2 devices. These functions work exactly like
74 the v4l1 api on top of v4l2 drivers, in case of v4l1 drivers it will
83 This library should be used for all modern V4L2 applications.
85 It provides handles to call V4L2 open/ioctl/close/poll methods. Instead
91 v4l2 driver, intercepting the calls to
98 :ref:`V4L2_PIX_FMT_BGR24 <V4L2-PIX-FMT-BGR24>`,
99 :ref:`V4L2_PIX_FMT_RGB24 <V4L2-PIX-FMT-RGB24>`,
100 :ref:`V4L2_PIX_FMT_YUV420 <V4L2-PIX-FMT-YUV420>`, and
101 :ref:`V4L2_PIX_FMT_YVU420 <V4L2-PIX-FMT-YVU420>`, if they aren't
114 V4L2 functions
176 ``LD_PRELOAD=/usr/lib/v4l1compat.so``. It also emulates V4L1 calls via V4L2