Lines Matching +full:linux +full:- +full:event +full:- +full:codes
1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later OR GPL-2.0
17 ``linux/dvb/video.h`` in your application.
40 --------------
45 .. code-block:: c
56 .. flat-table::
57 :header-rows: 0
58 :stub-columns: 0
60 - ..
62 - ``VIDEO_FORMAT_4_3``
64 - Select 4:3 format.
66 - ..
68 - ``VIDEO_FORMAT_16_9``
70 - Select 16:9 format.
72 - ..
74 - ``VIDEO_FORMAT_221_1``
76 - Select 2.21:1 format.
89 -----
93 ---------------------
98 .. code-block:: c
109 .. flat-table::
110 :header-rows: 0
111 :stub-columns: 0
113 - ..
115 - ``VIDEO_PAN_SCAN``
117 - Use pan and scan format.
119 - ..
121 - ``VIDEO_LETTER_BOX``
123 - Use letterbox format.
125 - ..
127 - ``VIDEO_CENTER_CUT_OUT``
129 - Use center cut out format.
140 -----
144 ------------
149 .. code-block:: c
160 .. flat-table::
161 :header-rows: 0
162 :stub-columns: 0
164 - ..
166 - ``int w``
168 - Video width in pixels.
170 - ..
172 - ``int h``
174 - Video height in pixels.
176 - ..
178 - `video_format_t`_ ``aspect_ratio``
180 - Aspect ratio.
189 -----
193 ---------------------
198 .. code-block:: c
208 .. flat-table::
209 :header-rows: 0
210 :stub-columns: 0
212 - ..
214 - ``VIDEO_SOURCE_DEMUX``
216 - :cspan:`1` Select the demux as the main source.
218 - ..
220 - ``VIDEO_SOURCE_MEMORY``
222 - If this source is selected, the stream
238 -----
242 ------------------
247 .. code-block:: c
258 .. flat-table::
259 :header-rows: 0
260 :stub-columns: 0
262 - ..
264 - ``VIDEO_STOPPED``
266 - Video is stopped.
268 - ..
270 - ``VIDEO_PLAYING``
272 - Video is currently playing.
274 - ..
276 - ``VIDEO_FREEZED``
278 - Video is frozen.
287 -----
291 --------------------
296 .. code-block:: c
321 .. flat-table::
322 :header-rows: 0
323 :stub-columns: 0
325 - ..
327 - ``__u32 cmd``
329 - `Decoder command`_
331 - ..
333 - ``__u32 flags``
335 - Flags for the `Decoder command`_.
337 - ..
339 - ``struct stop``
341 - ``__u64 pts``
343 - MPEG PTS
345 - ..
347 - :rspan:`5` ``stuct play``
349 - :rspan:`4` ``__s32 speed``
351 - 0 or 1000 specifies normal speed,
353 - ..
355 - 1: specifies forward single stepping,
357 - ..
359 - -1: specifies backward single stepping,
361 - ..
363 - >1: playback at speed / 1000 of the normal speed
365 - ..
367 - <-1: reverse playback at ( -speed / 1000 ) of the normal speed.
369 - ..
371 - ``__u32 format``
373 - `Play input formats`_
375 - ..
377 - ``__u32 data[16]``
379 - Reserved
388 -----
392 -------------------------------------
397 .. code-block:: c
420 .. flat-table::
421 :header-rows: 0
422 :stub-columns: 0
424 - ..
426 - :rspan:`3` _`Decoder command`
428 - ``VIDEO_CMD_PLAY``
430 - Start playback.
432 - ..
434 - ``VIDEO_CMD_STOP``
436 - Stop playback.
438 - ..
440 - ``VIDEO_CMD_FREEZE``
442 - Freeze playback.
444 - ..
446 - ``VIDEO_CMD_CONTINUE``
448 - Continue playback after freeze.
450 - ..
452 - Flags for ``VIDEO_CMD_FREEZE``
454 - ``VIDEO_CMD_FREEZE_TO_BLACK``
456 - Show black picture on freeze.
458 - ..
460 - :rspan:`1` Flags for ``VIDEO_CMD_STOP``
462 - ``VIDEO_CMD_STOP_TO_BLACK``
464 - Show black picture on stop.
466 - ..
468 - ``VIDEO_CMD_STOP_IMMEDIATELY``
470 - Stop immediately, without emptying buffers.
472 - ..
474 - :rspan:`1` _`Play input formats`
476 - ``VIDEO_PLAY_FMT_NONE``
478 - The decoder has no special format requirements
480 - ..
482 - ``VIDEO_PLAY_FMT_GOP``
484 - The decoder requires full GOPs
486 - ..
488 - :rspan:`3` Field order
490 - ``VIDEO_VSYNC_FIELD_UNKNOWN``
492 - FIELD_UNKNOWN can be used if the hardware does not know
494 (i.e. non-interlaced) field.
496 - ..
498 - ``VIDEO_VSYNC_FIELD_ODD``
500 - Vsync is for an odd field.
502 - ..
504 - ``VIDEO_VSYNC_FIELD_EVEN``
506 - Vsync is for an even field.
508 - ..
510 - ``VIDEO_VSYNC_FIELD_PROGRESSIVE``
512 - progressive (i.e. non-interlaced)
515 -----
519 -----------
524 .. code-block:: c
543 .. flat-table::
544 :header-rows: 0
545 :stub-columns: 0
547 - ..
549 - :rspan:`4` ``__s32 type``
551 - :cspan:`1` Event type.
553 - ..
555 - ``VIDEO_EVENT_SIZE_CHANGED``
557 - Size changed.
559 - ..
561 - ``VIDEO_EVENT_FRAME_RATE_CHANGED``
563 - Framerate changed.
565 - ..
567 - ``VIDEO_EVENT_DECODER_STOPPED``
569 - Decoder stopped.
571 - ..
573 - ``VIDEO_EVENT_VSYNC``
575 - Vsync occurred.
577 - ..
579 - ``long timestamp``
581 - :cspan:`1` MPEG PTS at occurrence.
583 - ..
585 - :rspan:`2` ``union u``
587 - `video_size_t`_ size
589 - Resolution and aspect ratio of the video.
591 - ..
593 - ``unsigned int frame_rate``
595 - in frames per 1000sec
597 - ..
599 - ``unsigned char vsync_field``
601 - | unknown / odd / even / progressive
607 This is the structure of a video event as it is returned by the
611 -----
615 ------------
623 .. code-block:: c
636 .. flat-table::
637 :header-rows: 0
638 :stub-columns: 0
640 - ..
642 - :rspan:`2` ``int video_blank``
644 - :cspan:`1` Show blank video on freeze?
646 - ..
648 - TRUE ( != 0 )
650 - Blank screen when freeze.
652 - ..
654 - FALSE ( == 0 )
656 - Show last decoded frame.
658 - ..
660 - `video_play_state_t`_ ``play_state``
662 - Current state of playback.
664 - ..
666 - `video_stream_source_t`_ ``stream_source``
668 - Current source (demux/memory).
670 - ..
672 - `video_format_t`_ ``video_format``
674 - Current aspect ratio of stream.
676 - ..
678 - `video_displayformat_t`_ ``display_format``
680 - Applied cropping mode.
697 -----
701 -------------------
706 .. code-block:: c
716 .. flat-table::
717 :header-rows: 0
718 :stub-columns: 0
720 - ..
722 - ``char *iFrame``
724 - Pointer to a single iframe in memory.
726 - ..
728 - ``int32_t size``
730 - Size of the iframe.
736 An I-frame displayed via the `VIDEO_STILLPICTURE`_ call is passed on
740 -----
744 ------------------
749 .. code-block:: c
760 .. flat-table::
761 :header-rows: 0
762 :stub-columns: 0
764 - ..
766 - ``VIDEO_CAP_MPEG1``
768 - :cspan:`1` The hardware can decode MPEG1.
770 - ..
772 - ``VIDEO_CAP_MPEG2``
774 - The hardware can decode MPEG2.
776 - ..
778 - ``VIDEO_CAP_SYS``
780 - The video device accepts system stream.
785 - ..
787 - ``VIDEO_CAP_PROG``
789 - The video device accepts program stream.
801 -----
809 ----------
816 .. code-block:: c
823 .. flat-table::
824 :header-rows: 0
825 :stub-columns: 0
827 - ..
829 - ``int fd``
831 - :cspan:`1` File descriptor returned by a previous call
834 - ..
836 - ``int request``
838 - :cspan:`1` Equals ``VIDEO_STOP`` for this command.
840 - ..
842 - :rspan:`2` ``int mode``
844 - :cspan:`1` Indicates how the screen shall be handled.
846 - ..
848 - TRUE ( != 0 )
850 - Blank screen when stop.
852 - ..
854 - FALSE ( == 0 )
856 - Show last decoded frame.
874 On success 0 is returned, on error -1 and the ``errno`` variable is set
875 appropriately. The generic error codes are described at the
876 :ref:`Generic Error Codes <gen-errors>` chapter.
879 -----
883 ----------
890 .. code-block:: c
897 .. flat-table::
898 :header-rows: 0
899 :stub-columns: 0
901 - ..
903 - ``int fd``
905 - :cspan:`1` File descriptor returned by a previous call
908 - ..
910 - ``int request``
912 - Equals ``VIDEO_PLAY`` for this command.
929 On success 0 is returned, on error -1 and the ``errno`` variable is set
930 appropriately. The generic error codes are described at the
931 :ref:`Generic Error Codes <gen-errors>` chapter.
934 -----
938 ------------
945 .. code-block:: c
952 .. flat-table::
953 :header-rows: 0
954 :stub-columns: 0
956 - ..
958 - ``int fd``
960 - :cspan:`1` File descriptor returned by a previous call
963 - ..
965 - ``int request``
967 - Equals ``VIDEO_FREEZE`` for this command.
989 On success 0 is returned, on error -1 and the ``errno`` variable is set
990 appropriately. The generic error codes are described at the
991 :ref:`Generic Error Codes <gen-errors>` chapter.
994 -----
998 --------------
1005 .. code-block:: c
1012 .. flat-table::
1013 :header-rows: 0
1014 :stub-columns: 0
1016 - ..
1018 - ``int fd``
1020 - :cspan:`1` File descriptor returned by a previous call
1023 - ..
1025 - ``int request``
1027 - Equals ``VIDEO_CONTINUE`` for this command.
1044 On success 0 is returned, on error -1 and the ``errno`` variable is set
1045 appropriately. The generic error codes are described at the
1046 :ref:`Generic Error Codes <gen-errors>` chapter.
1049 -----
1053 -------------------
1060 .. code-block:: c
1067 .. flat-table::
1068 :header-rows: 0
1069 :stub-columns: 0
1071 - ..
1073 - ``int fd``
1075 - :cspan:`1` File descriptor returned by a previous call
1078 - ..
1080 - ``int request``
1082 - Equals ``VIDEO_SELECT_SOURCE`` for this command.
1084 - ..
1086 - `video_stream_source_t`_ ``source``
1088 - Indicates which source shall be used for the Video stream.
1097 by the V4L2 ivtv driver, but that has been replaced by the ivtv-specific
1104 is directly transferred from the onboard demux-device to the decoder.
1106 The data fed to the decoder is also controlled by the PID-filter.
1113 On success 0 is returned, on error -1 and the ``errno`` variable is set
1114 appropriately. The generic error codes are described at the
1115 :ref:`Generic Error Codes <gen-errors>` chapter.
1118 -----
1122 ---------------
1129 .. code-block:: c
1136 .. flat-table::
1137 :header-rows: 0
1138 :stub-columns: 0
1140 - ..
1142 - ``int fd``
1144 - :cspan:`1` File descriptor returned by a previous call
1147 - ..
1149 - ``int request``
1151 - :cspan:`1` Equals ``VIDEO_SET_BLANK`` for this command.
1153 - ..
1155 - :rspan:`2` ``int mode``
1157 - :cspan:`1` Indicates if the screen shall be blanked.
1159 - ..
1161 - TRUE ( != 0 )
1163 - Blank screen when stop.
1165 - ..
1167 - FALSE ( == 0 )
1169 - Show last decoded frame.
1182 On success 0 is returned, on error -1 and the ``errno`` variable is set
1183 appropriately. The generic error codes are described at the
1184 :ref:`Generic Error Codes <gen-errors>` chapter.
1187 -----
1191 ----------------
1198 .. code-block:: c
1206 .. flat-table::
1207 :header-rows: 0
1208 :stub-columns: 0
1210 - ..
1212 - ``int fd``
1214 - :cspan:`1` File descriptor returned by a previous call
1217 - ..
1219 - ``int request``
1221 - Equals ``VIDEO_GET_STATUS`` for this command.
1223 - ..
1225 - ``struct`` `video_status`_ ``*status``
1227 - Returns the current status of the Video Device.
1241 On success 0 is returned, on error -1 and the ``errno`` variable is set
1242 appropriately. The generic error codes are described at the
1243 :ref:`Generic Error Codes <gen-errors>` chapter.
1246 -----
1250 ---------------
1257 .. code-block:: c
1265 .. flat-table::
1266 :header-rows: 0
1267 :stub-columns: 0
1269 - ..
1271 - ``int fd``
1273 - :cspan:`1` File descriptor returned by a previous call
1276 - ..
1278 - ``int request``
1280 - Equals ``VIDEO_GET_EVENT`` for this command.
1282 - ..
1284 - ``struct`` `video_event`_ ``*ev``
1286 - Points to the location where the event, if any, is to be stored.
1297 This ioctl call returns an event of type `video_event`_ if available. A
1300 an event is not available, the behavior depends on whether the device is
1301 in blocking or non-blocking mode. In the latter case, the call fails
1303 call blocks until an event becomes available. The standard Linux poll()
1307 specified as the wake-up condition. Read-only permissions are sufficient
1313 On success 0 is returned, on error -1 and the ``errno`` variable is set
1314 appropriately. The generic error codes are described at the
1315 :ref:`Generic Error Codes <gen-errors>` chapter.
1317 .. flat-table::
1318 :header-rows: 0
1319 :stub-columns: 0
1321 - ..
1323 - ``EWOULDBLOCK``
1325 - :cspan:`1` There is no event pending, and the device is in
1326 non-blocking mode.
1328 - ..
1330 - ``EOVERFLOW``
1332 - Overflow in event queue - one or more events were lost.
1335 -----
1339 ------------------------
1346 .. code-block:: c
1354 .. flat-table::
1355 :header-rows: 0
1356 :stub-columns: 0
1358 - ..
1360 - ``int fd``
1362 - :cspan:`1` File descriptor returned by a previous call
1365 - ..
1367 - ``int request``
1369 - Equals ``VIDEO_SET_DISPLAY_FORMAT`` for this command.
1371 - ..
1373 - `video_displayformat_t`_ ``format``
1375 - Selects the video format to be used.
1389 On success 0 is returned, on error -1 and the ``errno`` variable is set
1390 appropriately. The generic error codes are described at the
1391 :ref:`Generic Error Codes <gen-errors>` chapter.
1394 -----
1398 ------------------
1405 .. code-block:: c
1413 .. flat-table::
1414 :header-rows: 0
1415 :stub-columns: 0
1417 - ..
1419 - ``int fd``
1421 - :cspan:`1` File descriptor returned by a previous call
1424 - ..
1426 - ``int request``
1428 - Equals ``VIDEO_STILLPICTURE`` for this command.
1430 - ..
1432 - ``struct`` `video_still_picture`_ ``*sp``
1434 - Pointer to the location where the struct with the I-frame
1444 (I-frame). The input data shall be the section of an elementary video
1445 stream containing an I-frame. Typically this section is extracted from a
1450 e.g. The AV7110 supports MPEG1 and MPEG2 with the common PAL-SD
1456 On success 0 is returned, on error -1 and the ``errno`` variable is set
1457 appropriately. The generic error codes are described at the
1458 :ref:`Generic Error Codes <gen-errors>` chapter.
1461 -----
1465 ------------------
1472 .. code-block:: c
1479 .. flat-table::
1480 :header-rows: 0
1481 :stub-columns: 0
1483 - ..
1485 - ``int fd``
1487 - :cspan:`1` File descriptor returned by a previous call
1490 - ..
1492 - ``int request``
1494 - Equals ``VIDEO_FAST_FORWARD`` for this command.
1496 - ..
1498 - ``int nFrames``
1500 - The number of frames to skip.
1509 I-frames. This call can only be used if ``VIDEO_SOURCE_MEMORY`` is
1515 On success 0 is returned, on error -1 and the ``errno`` variable is set
1516 appropriately. The generic error codes are described at the
1517 :ref:`Generic Error Codes <gen-errors>` chapter.
1519 .. flat-table::
1520 :header-rows: 0
1521 :stub-columns: 0
1523 - ..
1525 - ``EPERM``
1527 - Mode ``VIDEO_SOURCE_MEMORY`` not selected.
1530 -----
1534 ----------------
1541 .. code-block:: c
1548 .. flat-table::
1549 :header-rows: 0
1550 :stub-columns: 0
1552 - ..
1554 - ``int fd``
1556 - :cspan:`1` File descriptor returned by a previous call
1559 - ..
1561 - ``int request``
1563 - Equals ``VIDEO_SLOWMOTION`` for this command.
1565 - ..
1567 - ``int nFrames``
1569 - The number of times to repeat each frame.
1584 On success 0 is returned, on error -1 and the ``errno`` variable is set
1585 appropriately. The generic error codes are described at the
1586 :ref:`Generic Error Codes <gen-errors>` chapter.
1588 .. flat-table::
1589 :header-rows: 0
1590 :stub-columns: 0
1592 - ..
1594 - ``EPERM``
1596 - Mode ``VIDEO_SOURCE_MEMORY`` not selected.
1599 -----
1603 ----------------------
1610 .. code-block:: c
1617 .. flat-table::
1618 :header-rows: 0
1619 :stub-columns: 0
1621 - ..
1623 - ``int fd``
1625 - :cspan:`1` File descriptor returned by a previous call
1628 - ..
1630 - ``int request``
1632 - Equals ``VIDEO_GET_CAPABILITIES`` for this command.
1634 - ..
1636 - ``unsigned int *cap``
1638 - Pointer to a location where to store the capability information.
1653 On success 0 is returned, on error -1 and the ``errno`` variable is set
1654 appropriately. The generic error codes are described at the
1655 :ref:`Generic Error Codes <gen-errors>` chapter.
1658 -----
1662 ------------------
1669 .. code-block:: c
1676 .. flat-table::
1677 :header-rows: 0
1678 :stub-columns: 0
1680 - ..
1682 - ``int fd``
1684 - :cspan:`1` File descriptor returned by a previous call
1687 - ..
1689 - ``int request``
1691 - Equals ``VIDEO_CLEAR_BUFFER`` for this command.
1705 On success 0 is returned, on error -1 and the ``errno`` variable is set
1706 appropriately. The generic error codes are described at the
1707 :ref:`Generic Error Codes <gen-errors>` chapter.
1710 -----
1714 --------------------
1721 .. code-block:: c
1728 .. flat-table::
1729 :header-rows: 0
1730 :stub-columns: 0
1732 - ..
1734 - ``int fd``
1736 - :cspan:`1` File descriptor returned by a previous call
1739 - ..
1741 - ``int request``
1743 - Equals ``VIDEO_SET_STREAMTYPE`` for this command.
1745 - ..
1747 - ``int type``
1749 - Stream type.
1764 .. flat-table::
1765 :header-rows: 1
1766 :stub-columns: 0
1768 - ..
1770 - Codec
1772 - Stream type
1774 - ..
1776 - MPEG2
1778 - 0
1780 - ..
1782 - MPEG4 h.264
1784 - 1
1786 - ..
1788 - VC1
1790 - 3
1792 - ..
1794 - MPEG4 Part2
1796 - 4
1798 - ..
1800 - VC1 SM
1802 - 5
1804 - ..
1806 - MPEG1
1808 - 6
1810 - ..
1812 - HEVC h.265
1814 - | 7
1817 - ..
1819 - AVS
1821 - 16
1823 - ..
1825 - AVS2
1827 - 40
1834 On success 0 is returned, on error -1 and the ``errno`` variable is set
1835 appropriately. The generic error codes are described at the
1836 :ref:`Generic Error Codes <gen-errors>` chapter.
1839 -----
1843 ----------------
1850 .. code-block:: c
1857 .. flat-table::
1858 :header-rows: 0
1859 :stub-columns: 0
1861 - ..
1863 - ``int fd``
1865 - :cspan:`1` File descriptor returned by a previous call
1868 - ..
1870 - ``int request``
1872 - Equals ``VIDEO_SET_FORMAT`` for this command.
1874 - ..
1876 - `video_format_t`_ ``format``
1878 - Video format of TV as defined in section `video_format_t`_.
1893 On success 0 is returned, on error -1 and the ``errno`` variable is set
1894 appropriately. The generic error codes are described at the
1895 :ref:`Generic Error Codes <gen-errors>` chapter.
1898 -----
1902 --------------
1909 .. code-block:: c
1916 .. flat-table::
1917 :header-rows: 0
1918 :stub-columns: 0
1920 - ..
1922 - ``int fd``
1924 - :cspan:`1` File descriptor returned by a previous call,
1927 - ..
1929 - ``int request``
1931 - Equals ``VIDEO_GET_SIZE`` for this command.
1933 - ..
1935 - `video_size_t`_ ``*size``
1937 - Returns the size and aspect ratio.
1950 On success 0 is returned, on error -1 and the ``errno`` variable is set
1951 appropriately. The generic error codes are described at the
1952 :ref:`Generic Error Codes <gen-errors>` chapter.
1955 -----
1959 -------------
1966 .. code-block:: c
1973 .. flat-table::
1974 :header-rows: 0
1975 :stub-columns: 0
1977 - ..
1979 - ``int fd``
1981 - :cspan:`1` File descriptor returned by a previous call
1984 - ..
1986 - ``int request``
1988 - Equals ``VIDEO_GET_PTS`` for this command.
1990 - ..
1992 - ``__u64 *pts``
1994 - Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 /
1995 ISO/IEC 13818-1.
2016 On success 0 is returned, on error -1 and the ``errno`` variable is set
2017 appropriately. The generic error codes are described at the
2018 :ref:`Generic Error Codes <gen-errors>` chapter.
2021 -----
2025 ---------------------
2032 .. code-block:: c
2039 .. flat-table::
2040 :header-rows: 0
2041 :stub-columns: 0
2043 - ..
2045 - ``int fd``
2047 - :cspan:`1` File descriptor returned by a previous call
2050 - ..
2052 - ``int request``
2054 - Equals ``VIDEO_GET_FRAME_COUNT`` for this command.
2056 - ..
2058 - ``__u64 *pts``
2060 - Returns the number of frames displayed since the decoder was
2078 On success 0 is returned, on error -1 and the ``errno`` variable is set
2079 appropriately. The generic error codes are described at the
2080 :ref:`Generic Error Codes <gen-errors>` chapter.
2083 -----
2087 -------------
2094 .. code-block:: c
2102 .. flat-table::
2103 :header-rows: 0
2104 :stub-columns: 0
2106 - ..
2108 - ``int fd``
2110 - :cspan:`1` File descriptor returned by a previous call
2113 - ..
2115 - ``int request``
2117 - Equals ``VIDEO_COMMAND`` for this command.
2119 - ..
2121 - `struct video_command`_ ``*cmd``
2123 - Commands the decoder.
2142 On success 0 is returned, on error -1 and the ``errno`` variable is set
2143 appropriately. The generic error codes are described at the
2144 :ref:`Generic Error Codes <gen-errors>` chapter.
2147 -----
2151 -----------------
2158 .. code-block:: c
2166 .. flat-table::
2167 :header-rows: 0
2168 :stub-columns: 0
2170 - ..
2172 - ``int fd``
2174 - :cspan:`1` File descriptor returned by a previous call
2177 - ..
2179 - ``int request``
2181 - Equals ``VIDEO_TRY_COMMAND`` for this command.
2183 - ..
2185 - `struct video_command`_ ``*cmd``
2187 - Try a decoder command.
2206 On success 0 is returned, on error -1 and the ``errno`` variable is set
2207 appropriately. The generic error codes are described at the
2208 :ref:`Generic Error Codes <gen-errors>` chapter.
2211 -----
2215 ------
2220 .. code-block:: c
2229 .. flat-table::
2230 :header-rows: 0
2231 :stub-columns: 0
2233 - ..
2235 - ``const char *deviceName``
2237 - Name of specific video device.
2239 - ..
2241 - :rspan:`3` ``int flags``
2243 - :cspan:`1` A bit-wise OR of the following flags:
2245 - ..
2247 - ``O_RDONLY``
2249 - read-only access
2251 - ..
2253 - ``O_RDWR``
2255 - read/write access
2257 - ..
2259 - ``O_NONBLOCK``
2260 - | Open in non-blocking mode
2270 significance of blocking or non-blocking mode is described in the
2273 blocking mode can later be put into non-blocking mode (and vice versa)
2275 system call, documented in the Linux manual page for fcntl. Only one
2277 open the device in this mode will fail, and an error-code will be
2285 .. flat-table::
2286 :header-rows: 0
2287 :stub-columns: 0
2289 - ..
2291 - ``ENODEV``
2293 - :cspan:`1` Device driver not loaded/available.
2295 - ..
2297 - ``EINTERNAL``
2299 - Internal error.
2301 - ..
2303 - ``EBUSY``
2305 - Device or resource busy.
2307 - ..
2309 - ``EINVAL``
2311 - Invalid argument.
2314 -----
2318 -------
2328 .. flat-table::
2329 :header-rows: 0
2330 :stub-columns: 0
2332 - ..
2334 - ``int fd``
2336 - :cspan:`1` File descriptor returned by a previous call
2347 .. flat-table::
2348 :header-rows: 0
2349 :stub-columns: 0
2351 - ..
2353 - ``EBADF``
2355 - fd is not a valid open file descriptor.
2358 -----
2362 -------
2372 .. flat-table::
2373 :header-rows: 0
2374 :stub-columns: 0
2376 - ..
2378 - ``int fd``
2380 - :cspan:`1` File descriptor returned by a previous call
2383 - ..
2385 - ``void *buf``
2387 - Pointer to the buffer containing the PES data.
2389 - ..
2391 - ``size_t count``
2393 - Size of buf.
2401 most common format for storing DVB-data, it is usually supported too.
2410 .. flat-table::
2411 :header-rows: 0
2412 :stub-columns: 0
2414 - ..
2416 - ``EPERM``
2418 - :cspan:`1` Mode ``VIDEO_SOURCE_MEMORY`` not selected.
2420 - ..
2422 - ``ENOMEM``
2424 - Attempted to write more data than the internal buffer can hold.
2426 - ..
2428 - ``EBADF``
2430 - fd is not a valid open file descriptor.