sphinx.addnodesdocument)}( rawsourcechildren]( translations LanguagesNode)}(hhh](h pending_xref)}(hhh]docutils.nodesTextChinese (Simplified)}parenthsba attributes}(ids]classes]names]dupnames]backrefs] refdomainstdreftypedoc reftarget>/translations/zh_CN/userspace-api/media/v4l/vidioc-decoder-cmdmodnameN classnameN refexplicitutagnamehhh ubh)}(hhh]hChinese (Traditional)}hh2sbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget>/translations/zh_TW/userspace-api/media/v4l/vidioc-decoder-cmdmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hItalian}hhFsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget>/translations/it_IT/userspace-api/media/v4l/vidioc-decoder-cmdmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hJapanese}hhZsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget>/translations/ja_JP/userspace-api/media/v4l/vidioc-decoder-cmdmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hKorean}hhnsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget>/translations/ko_KR/userspace-api/media/v4l/vidioc-decoder-cmdmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hSpanish}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget>/translations/sp_SP/userspace-api/media/v4l/vidioc-decoder-cmdmodnameN classnameN refexplicituh1hhh ubeh}(h]h ]h"]h$]h&]current_languageEnglishuh1h hh _documenthsourceNlineNubhcomment)}(h8SPDX-License-Identifier: GFDL-1.1-no-invariants-or-laterh]h8SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later}hhsbah}(h]h ]h"]h$]h&] xml:spacepreserveuh1hhhhhhX/var/lib/git/docbuild/linux/Documentation/userspace-api/media/v4l/vidioc-decoder-cmd.rsthKubhtarget)}(h.. _VIDIOC_DECODER_CMD:h]h}(h]h ]h"]h$]h&]refidvidioc-decoder-cmduh1hhKhhhhhhubhsection)}(hhh](htitle)}(h0ioctl VIDIOC_DECODER_CMD, VIDIOC_TRY_DECODER_CMDh]h0ioctl VIDIOC_DECODER_CMD, VIDIOC_TRY_DECODER_CMD}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(hNameh]hName}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhhhhK ubh paragraph)}(hHVIDIOC_DECODER_CMD - VIDIOC_TRY_DECODER_CMD - Execute an decoder commandh]hHVIDIOC_DECODER_CMD - VIDIOC_TRY_DECODER_CMD - Execute an decoder command}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hhhhubeh}(h]nameah ]h"]nameah$]h&]uh1hhhhhhhhK ubh)}(hhh](h)}(hSynopsish]hSynopsis}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubhindex)}(hhh]h}(h]h ]h"]h$]h&]entries](single V4L.VIDIOC_DECODER_CMD (C macro)c.V4L.VIDIOC_DECODER_CMDhNtauh1jhjhhhNhNubhdesc)}(hhh](hdesc_signature)}(hVIDIOC_DECODER_CMDh]hdesc_signature_line)}(hVIDIOC_DECODER_CMDh]h desc_name)}(hVIDIOC_DECODER_CMDh]h desc_sig_name)}(hj+h]hVIDIOC_DECODER_CMD}(hj;hhhNhNubah}(h]h ]nah"]h$]h&]uh1j9hj5ubah}(h]h ](sig-namedescnameeh"]h$]h&]hhuh1j3hj/hhhhhKubah}(h]h ]h"]h$]h&]hh add_permalinkuh1j-sphinx_line_type declaratorhj)hhhhhKubah}(h]j ah ](sig sig-objecteh"]h$]h&] is_multiline _toc_parts) _toc_namehuh1j'hhhKhj$hhubh desc_content)}(hhh]h}(h]h ]h"]h$]h&]uh1jehj$hhhhhKubeh}(h]h ](cmacroeh"]h$]h&]domainjsobjtypejtdesctypejtnoindex noindexentrynocontentsentryuh1j"hhhjhNhNubh)}(hH``int ioctl(int fd, VIDIOC_DECODER_CMD, struct v4l2_decoder_cmd *argp)``h]hliteral)}(hjh]hDint ioctl(int fd, VIDIOC_DECODER_CMD, struct v4l2_decoder_cmd *argp)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhj~ubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubj)}(hhh]h}(h]h ]h"]h$]h&]entries](j$V4L.VIDIOC_TRY_DECODER_CMD (C macro)c.V4L.VIDIOC_TRY_DECODER_CMDhNtauh1jhjhhhNhNubj#)}(hhh](j()}(hVIDIOC_TRY_DECODER_CMDh]j.)}(hVIDIOC_TRY_DECODER_CMDh]j4)}(hVIDIOC_TRY_DECODER_CMDh]j:)}(hjh]hVIDIOC_TRY_DECODER_CMD}(hjhhhNhNubah}(h]h ]jEah"]h$]h&]uh1j9hjubah}(h]h ](jLjMeh"]h$]h&]hhuh1j3hjhhhhhKubah}(h]h ]h"]h$]h&]hhjWuh1j-jXjYhjhhhhhKubah}(h]jah ](j]j^eh"]h$]h&]jbjc)jdhuh1j'hhhKhjhhubjf)}(hhh]h}(h]h ]h"]h$]h&]uh1jehjhhhhhKubeh}(h]h ](jsmacroeh"]h$]h&]jxjsjyjjzjj{j|j}uh1j"hhhjhNhNubh)}(hL``int ioctl(int fd, VIDIOC_TRY_DECODER_CMD, struct v4l2_decoder_cmd *argp)``h]j)}(hjh]hHint ioctl(int fd, VIDIOC_TRY_DECODER_CMD, struct v4l2_decoder_cmd *argp)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubeh}(h]synopsisah ]h"]synopsisah$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(h Argumentsh]h Arguments}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubhdefinition_list)}(hhh](hdefinition_list_item)}(h5``fd`` File descriptor returned by :c:func:`open()`. h](hterm)}(h``fd``h]j)}(hj"h]hfd}(hj$hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jhhhKhjubh definition)}(hhh]h)}(h-File descriptor returned by :c:func:`open()`.h](hFile descriptor returned by }(hj<hhhNhNubh)}(h:c:func:`open()`h]j)}(hjFh]hopen()}(hjHhhhNhNubah}(h]h ](xrefjsc-funceh"]h$]h&]uh1jhjDubah}(h]h ]h"]h$]h&]refdoc*userspace-api/media/v4l/vidioc-decoder-cmd refdomainjsreftypefunc refexplicitrefwarn c:parent_keysphinx.domains.c LookupKey)}data]je ASTIdentifier)} identifierV4LsbNasb reftargetopenuh1hhhhKhj<ubh.}(hj<hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj9ubah}(h]h ]h"]h$]h&]uh1j7hjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(h7``argp`` pointer to struct :c:type:`v4l2_decoder_cmd`. h](j)}(h``argp``h]j)}(hjh]hargp}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhhhK!hjubj8)}(hhh]h)}(h-pointer to struct :c:type:`v4l2_decoder_cmd`.h](hpointer to struct }(hjhhhNhNubh)}(h:c:type:`v4l2_decoder_cmd`h]j)}(hjh]hv4l2_decoder_cmd}(hjhhhNhNubah}(h]h ](jRjsc-typeeh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj^ refdomainjsreftypetype refexplicitrefwarnjdjhjsv4l2_decoder_cmduh1hhhhK!hjubh.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK!hjubah}(h]h ]h"]h$]h&]uh1j7hjubeh}(h]h ]h"]h$]h&]uh1jhhhK!hjhhubeh}(h]h ]h"]h$]h&]uh1jhjhhhhhNubeh}(h] argumentsah ]h"] argumentsah$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(h Descriptionh]h Description}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhK$ubh)}(hXThese ioctls control an audio/video (usually MPEG-) decoder. ``VIDIOC_DECODER_CMD`` sends a command to the decoder, ``VIDIOC_TRY_DECODER_CMD`` can be used to try a command without actually executing it. To send a command applications must initialize all fields of a struct :c:type:`v4l2_decoder_cmd` and call ``VIDIOC_DECODER_CMD`` or ``VIDIOC_TRY_DECODER_CMD`` with a pointer to this structure.h](h=These ioctls control an audio/video (usually MPEG-) decoder. }(hjhhhNhNubj)}(h``VIDIOC_DECODER_CMD``h]hVIDIOC_DECODER_CMD}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh! sends a command to the decoder, }(hjhhhNhNubj)}(h``VIDIOC_TRY_DECODER_CMD``h]hVIDIOC_TRY_DECODER_CMD}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh can be used to try a command without actually executing it. To send a command applications must initialize all fields of a struct }(hjhhhNhNubh)}(h:c:type:`v4l2_decoder_cmd`h]j)}(hj3h]hv4l2_decoder_cmd}(hj5hhhNhNubah}(h]h ](jRjsc-typeeh"]h$]h&]uh1jhj1ubah}(h]h ]h"]h$]h&]refdocj^ refdomainjsreftypetype refexplicitrefwarnjdjhjsv4l2_decoder_cmduh1hhhhK&hjubh and call }(hjhhhNhNubj)}(h``VIDIOC_DECODER_CMD``h]hVIDIOC_DECODER_CMD}(hjThhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh or }(hjhhhNhNubj)}(h``VIDIOC_TRY_DECODER_CMD``h]hVIDIOC_TRY_DECODER_CMD}(hjfhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh" with a pointer to this structure.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK&hjhhubh)}(hrThe ``cmd`` field must contain the command code. Some commands use the ``flags`` field for additional information.h](hThe }(hj~hhhNhNubj)}(h``cmd``h]hcmd}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhj~ubh< field must contain the command code. Some commands use the }(hj~hhhNhNubj)}(h ``flags``h]hflags}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhj~ubh" field for additional information.}(hj~hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK.hjhhubh)}(hA :c:func:`write()` or :ref:`VIDIOC_STREAMON` call sends an implicit START command to the decoder if it has not been started yet. Applies to both queues of mem2mem decoders.h](hA }(hjhhhNhNubh)}(h:c:func:`write()`h]j)}(hjh]hwrite()}(hjhhhNhNubah}(h]h ](jRjsc-funceh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj^ refdomainjsreftypefunc refexplicitrefwarnjdjhjswriteuh1hhhhK1hjubh or }(hjhhhNhNubh)}(h:ref:`VIDIOC_STREAMON`h]hinline)}(hjh]hVIDIOC_STREAMON}(hjhhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj^ refdomainjreftyperef refexplicitrefwarnjsvidioc_streamonuh1hhhhK1hjubh call sends an implicit START command to the decoder if it has not been started yet. Applies to both queues of mem2mem decoders.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK1hjhhubh)}(hA :c:func:`close()` or :ref:`VIDIOC_STREAMOFF ` call of a streaming file descriptor sends an implicit immediate STOP command to the decoder, and all buffered data is discarded. Applies to both queues of mem2mem decoders.h](hA }(hjhhhNhNubh)}(h:c:func:`close()`h]j)}(hjh]hclose()}(hjhhhNhNubah}(h]h ](jRjsc-funceh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj^ refdomainjsreftypefunc refexplicitrefwarnjdjhjscloseuh1hhhhK5hjubh or }(hjhhhNhNubh)}(h):ref:`VIDIOC_STREAMOFF `h]j)}(hj4h]hVIDIOC_STREAMOFF}(hj6hhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhj2ubah}(h]h ]h"]h$]h&]refdocj^ refdomainj@reftyperef refexplicitrefwarnjsvidioc_streamonuh1hhhhK5hjubh call of a streaming file descriptor sends an implicit immediate STOP command to the decoder, and all buffered data is discarded. Applies to both queues of mem2mem decoders.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK5hjhhubh)}(hIn principle, these ioctls are optional, not all drivers may support them. They were introduced in Linux 3.3. They are, however, mandatory for stateful mem2mem decoders (as further documented in :ref:`decoder`).h](hIn principle, these ioctls are optional, not all drivers may support them. They were introduced in Linux 3.3. They are, however, mandatory for stateful mem2mem decoders (as further documented in }(hj\hhhNhNubh)}(h:ref:`decoder`h]j)}(hjfh]hdecoder}(hjhhhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhjdubah}(h]h ]h"]h$]h&]refdocj^ refdomainjrreftyperef refexplicitrefwarnjsdecoderuh1hhhhK:hj\ubh).}(hj\hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK:hjhhubhtabular_col_spec)}(hhh]h}(h]h ]h"]h$]h&]spec&|p{2.0cm}|p{1.1cm}|p{2.2cm}|p{11.8cm}|uh1jhhhK>hjhhubj)}(hhh]h}(h]h ]h"]h$]h&]entries](jV4L.v4l2_decoder_cmd (C type)c.V4L.v4l2_decoder_cmdhNtauh1jhjhhhNhNubj#)}(hhh](j()}(hv4l2_decoder_cmdh]j.)}(htype v4l2_decoder_cmdh](hdesc_sig_keyword)}(htypeh]htype}(hjhhhNhNubah}(h]h ]kah"]h$]h&]uh1jhjhhhhhK@ubhdesc_sig_space)}(h h]h }(hjhhhNhNubah}(h]h ]wah"]h$]h&]uh1jhjhhhhhK@ubj4)}(hv4l2_decoder_cmdh]j:)}(hjh]hv4l2_decoder_cmd}(hjhhhNhNubah}(h]h ]jEah"]h$]h&]uh1j9hjubah}(h]h ](jLjMeh"]h$]h&]hhuh1j3hjhhhhhK@ubeh}(h]h ]h"]h$]h&]hhjWuh1j-jXjYhjhhhhhK@ubah}(h]jah ](j]j^eh"]h$]h&]jbjc)jdhuh1j'hhhK@hjhhubjf)}(hhh]h}(h]h ]h"]h$]h&]uh1jehjhhhhhK@ubeh}(h]h ](jstypeeh"]h$]h&]jxjsjyjjzjj{j|j}uh1j"hhhjhNhNubhtable)}(hhh](h)}(hstruct v4l2_decoder_cmdh]hstruct v4l2_decoder_cmd}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKDhj ubhtgroup)}(hhh](hcolspec)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1j!hjubj")}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1j!hjubj")}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1j!hjubj")}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1j!hjubhtbody)}(hhh](hrow)}(hhh](hentry)}(hhh]h)}(h__u32h]h__u32}(hjZhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKIhjWubah}(h]h ]h"]h$]h&]uh1jUhjRubjV)}(hhh]h)}(h``cmd``h]j)}(hjsh]hcmd}(hjuhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjqubah}(h]h ]h"]h$]h&]uh1hhhhKJhjnubah}(h]h ]h"]h$]h&]uh1jUhjRubjV)}(hhh]h}(h]h ]h"]h$]h&]uh1jUhjRubjV)}(hhh]h)}(h-The decoder command, see :ref:`decoder-cmds`.h](hThe decoder command, see }(hjhhhNhNubh)}(h:ref:`decoder-cmds`h]j)}(hjh]h decoder-cmds}(hjhhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj^ refdomainjreftyperef refexplicitrefwarnjs decoder-cmdsuh1hhhhKLhjubh.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKLhjubah}(h]h ]h"]h$]h&]uh1jUhjRubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h)}(h__u32h]h__u32}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKMhjubah}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h)}(h ``flags``h]j)}(hjh]hflags}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKNhjubah}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h)}(h}Flags to go with the command. If no flags are defined for this command, drivers and applications must set this field to zero.h]h}Flags to go with the command. If no flags are defined for this command, drivers and applications must set this field to zero.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKPhjubah}(h]h ]h"]h$]h&]uh1jUhjubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h)}(hunion {h]hunion {}(hj>hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKRhj;ubah}(h]h ]h"]h$]h&]uh1jUhj8ubjV)}(hhh]h)}(h (anonymous)h]h (anonymous)}(hjUhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKShjRubah}(h]h ]h"]h$]h&]morecolsKuh1jUhj8ubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h)}(hstructh]hstruct}(hjvhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKThjsubah}(h]h ]h"]h$]h&]uh1jUhjpubjV)}(hhh]h)}(h ``start``h]j)}(hjh]hstart}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKUhjubah}(h]h ]h"]h$]h&]uh1jUhjpubjV)}(hhh]h}(h]h ]h"]h$]h&]uh1jUhjpubjV)}(hhh]h)}(hLStructure containing additional data for the ``V4L2_DEC_CMD_START`` command.h](h-Structure containing additional data for the }(hjhhhNhNubj)}(h``V4L2_DEC_CMD_START``h]hV4L2_DEC_CMD_START}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh command.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKWhjubah}(h]h ]h"]h$]h&]uh1jUhjpubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h)}(h__s32h]h__s32}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKZhjubah}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h)}(h ``speed``h]j)}(hj h]hspeed}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhK[hjubah}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h)}(hXPlayback speed and direction. The playback speed is defined as ``speed``/1000 of the normal speed. So 1000 is normal playback. Negative numbers denote reverse playback, so -1000 does reverse playback at normal speed. Speeds -1, 0 and 1 have special meanings: speed 0 is shorthand for 1000 (normal playback). A speed of 1 steps just one frame forward, a speed of -1 steps just one frame back.h](h?Playback speed and direction. The playback speed is defined as }(hj(hhhNhNubj)}(h ``speed``h]hspeed}(hj0hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj(ubhX?/1000 of the normal speed. So 1000 is normal playback. Negative numbers denote reverse playback, so -1000 does reverse playback at normal speed. Speeds -1, 0 and 1 have special meanings: speed 0 is shorthand for 1000 (normal playback). A speed of 1 steps just one frame forward, a speed of -1 steps just one frame back.}(hj(hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK\hj%ubah}(h]h ]h"]h$]h&]uh1jUhjubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h}(h]h ]h"]h$]h&]uh1jUhjTubjV)}(hhh]h)}(h__u32h]h__u32}(hjchhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKdhj`ubah}(h]h ]h"]h$]h&]uh1jUhjTubjV)}(hhh]h)}(h ``format``h]j)}(hj|h]hformat}(hj~hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjzubah}(h]h ]h"]h$]h&]uh1hhhhKehjwubah}(h]h ]h"]h$]h&]uh1jUhjTubjV)}(hhh]h)}(hXFormat restrictions. This field is set by the driver, not the application. Possible values are ``V4L2_DEC_START_FMT_NONE`` if there are no format restrictions or ``V4L2_DEC_START_FMT_GOP`` if the decoder operates on full GOPs (*Group Of Pictures*). This is usually the case for reverse playback: the decoder needs full GOPs, which it can then play in reverse order. So to implement reverse playback the application must feed the decoder the last GOP in the video file, then the GOP before that, etc. etc.h](h_Format restrictions. This field is set by the driver, not the application. Possible values are }(hjhhhNhNubj)}(h``V4L2_DEC_START_FMT_NONE``h]hV4L2_DEC_START_FMT_NONE}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh( if there are no format restrictions or }(hjhhhNhNubj)}(h``V4L2_DEC_START_FMT_GOP``h]hV4L2_DEC_START_FMT_GOP}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh' if the decoder operates on full GOPs (}(hjhhhNhNubhemphasis)}(h*Group Of Pictures*h]hGroup Of Pictures}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubhX). This is usually the case for reverse playback: the decoder needs full GOPs, which it can then play in reverse order. So to implement reverse playback the application must feed the decoder the last GOP in the video file, then the GOP before that, etc. etc.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKfhjubah}(h]h ]h"]h$]h&]uh1jUhjTubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h)}(hstructh]hstruct}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKnhjubah}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h)}(h``stop``h]j)}(hj h]hstop}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKohjubah}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h)}(hKStructure containing additional data for the ``V4L2_DEC_CMD_STOP`` command.h](h-Structure containing additional data for the }(hj2hhhNhNubj)}(h``V4L2_DEC_CMD_STOP``h]hV4L2_DEC_CMD_STOP}(hj:hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj2ubh command.}(hj2hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKqhj/ubah}(h]h ]h"]h$]h&]uh1jUhjubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h}(h]h ]h"]h$]h&]uh1jUhj^ubjV)}(hhh]h)}(h__u64h]h__u64}(hjmhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKthjjubah}(h]h ]h"]h$]h&]uh1jUhj^ubjV)}(hhh]h)}(h``pts``h]j)}(hjh]hpts}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKuhjubah}(h]h ]h"]h$]h&]uh1jUhj^ubjV)}(hhh]h)}(hStop playback at this ``pts`` or immediately if the playback is already past that timestamp. Leave to 0 if you want to stop after the last frame was decoded.h](hStop playback at this }(hjhhhNhNubj)}(h``pts``h]hpts}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh or immediately if the playback is already past that timestamp. Leave to 0 if you want to stop after the last frame was decoded.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKvhjubah}(h]h ]h"]h$]h&]uh1jUhj^ubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h)}(hstructh]hstruct}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKyhjubah}(h]h ]h"]h$]h&]uh1jUhjubjV)}(hhh]h)}(h``raw``h]j)}(hjh]hraw}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKzhjubah}(h]h ]h"]h$]h&]morecolsKuh1jUhjubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(h__u32h]h__u32}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK|hj ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(h``data``\ [16]h](j)}(h``data``h]hdata}(hj; hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj7 ubh [16]}(hj7 hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK}hj4 ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(hTReserved for future extensions. Drivers and applications must set the array to zero.h]hTReserved for future extensions. Drivers and applications must set the array to zero.}(hj\ hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK~hjY ubah}(h]h ]h"]h$]h&]uh1jUhj ubeh}(h]h ]h"]h$]h&]uh1jPhjMubjQ)}(hhh](jV)}(hhh]h)}(h}h]h}}(hj| hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjy ubah}(h]h ]h"]h$]h&]uh1jUhjv ubjV)}(hhh]h}(h]h ]h"]h$]h&]morecolsKuh1jUhjv ubeh}(h]h ]h"]h$]h&]uh1jPhjMubeh}(h]h ]h"]h$]h&]uh1jKhjubeh}(h]h ]h"]h$]h&]colsKuh1jhj ubeh}(h]id1ah ] longtableah"]h$]h&]uh1j hjhhhNhNubj)}(hhh]h}(h]h ]h"]h$]h&]j|p{5.6cm}|p{0.6cm}|p{11.1cm}|uh1jhhhKhjhhubh)}(h.. _decoder-cmds:h]h}(h]h ]h"]h$]h&]h decoder-cmdsuh1hhKhjhhhhubj )}(hhh](h)}(hDecoder Commandsh]hDecoder Commands}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubj)}(hhh](j")}(hhh]h}(h]h ]h"]h$]h&]colwidthK8uh1j!hj ubj")}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1j!hj ubj")}(hhh]h}(h]h ]h"]h$]h&]colwidthKquh1j!hj ubjL)}(hhh](jQ)}(hhh](jV)}(hhh]h)}(h``V4L2_DEC_CMD_START``h]j)}(hj h]hV4L2_DEC_CMD_START}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(h0h]h0}(hj% hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj" ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh](h)}(hXStart the decoder. When the decoder is already running or paused, this command will just change the playback speed. That means that calling ``V4L2_DEC_CMD_START`` when the decoder was paused will *not* resume the decoder. You have to explicitly call ``V4L2_DEC_CMD_RESUME`` for that. This command has one flag: ``V4L2_DEC_CMD_START_MUTE_AUDIO``. If set, then audio will be muted when playing back at a non-standard speed.h](hStart the decoder. When the decoder is already running or paused, this command will just change the playback speed. That means that calling }(hj< hhhNhNubj)}(h``V4L2_DEC_CMD_START``h]hV4L2_DEC_CMD_START}(hjD hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj< ubh" when the decoder was paused will }(hj< hhhNhNubj)}(h*not*h]hnot}(hjV hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj< ubh1 resume the decoder. You have to explicitly call }(hj< hhhNhNubj)}(h``V4L2_DEC_CMD_RESUME``h]hV4L2_DEC_CMD_RESUME}(hjh hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj< ubh& for that. This command has one flag: }(hj< hhhNhNubj)}(h!``V4L2_DEC_CMD_START_MUTE_AUDIO``h]hV4L2_DEC_CMD_START_MUTE_AUDIO}(hjz hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj< ubhM. If set, then audio will be muted when playing back at a non-standard speed.}(hj< hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj9 ubh)}(hXFor a device implementing the :ref:`decoder`, once the drain sequence is initiated with the ``V4L2_DEC_CMD_STOP`` command, it must be driven to completion before this command can be invoked. Any attempt to invoke the command while the drain sequence is in progress will trigger an ``EBUSY`` error code. The command may be also used to restart the decoder in case of an implicit stop initiated by the decoder itself, without the ``V4L2_DEC_CMD_STOP`` being called explicitly. See :ref:`decoder` for more details.h](hFor a device implementing the }(hj hhhNhNubh)}(h:ref:`decoder`h]j)}(hj h]hdecoder}(hj hhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]refdocj^ refdomainj reftyperef refexplicitrefwarnjsdecoderuh1hhhhKhj ubh0, once the drain sequence is initiated with the }(hj hhhNhNubj)}(h``V4L2_DEC_CMD_STOP``h]hV4L2_DEC_CMD_STOP}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubh command, it must be driven to completion before this command can be invoked. Any attempt to invoke the command while the drain sequence is in progress will trigger an }(hj hhhNhNubj)}(h ``EBUSY``h]hEBUSY}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubh error code. The command may be also used to restart the decoder in case of an implicit stop initiated by the decoder itself, without the }(hj hhhNhNubj)}(h``V4L2_DEC_CMD_STOP``h]hV4L2_DEC_CMD_STOP}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubh being called explicitly. See }(hj hhhNhNubh)}(h:ref:`decoder`h]j)}(hj h]hdecoder}(hj hhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]refdocj^ refdomainj reftyperef refexplicitrefwarnjsdecoderuh1hhhhKhj ubh for more details.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj9 ubeh}(h]h ]h"]h$]h&]uh1jUhj ubeh}(h]h ]h"]h$]h&]uh1jPhj ubjQ)}(hhh](jV)}(hhh]h)}(h``V4L2_DEC_CMD_STOP``h]j)}(hj2 h]hV4L2_DEC_CMD_STOP}(hj4 hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj0 ubah}(h]h ]h"]h$]h&]uh1hhhhKhj- ubah}(h]h ]h"]h$]h&]uh1jUhj* ubjV)}(hhh]h)}(h1h]h1}(hjP hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjM ubah}(h]h ]h"]h$]h&]uh1jUhj* ubjV)}(hhh](h)}(hXStop the decoder. When the decoder is already stopped, this command does nothing. This command has two flags: if ``V4L2_DEC_CMD_STOP_TO_BLACK`` is set, then the decoder will set the picture to black after it stopped decoding. Otherwise the last image will repeat. If ``V4L2_DEC_CMD_STOP_IMMEDIATELY`` is set, then the decoder stops immediately (ignoring the ``pts`` value), otherwise it will keep decoding until timestamp >= pts or until the last of the pending data from its internal buffers was decoded.h](hqStop the decoder. When the decoder is already stopped, this command does nothing. This command has two flags: if }(hjg hhhNhNubj)}(h``V4L2_DEC_CMD_STOP_TO_BLACK``h]hV4L2_DEC_CMD_STOP_TO_BLACK}(hjo hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjg ubh| is set, then the decoder will set the picture to black after it stopped decoding. Otherwise the last image will repeat. If }(hjg hhhNhNubj)}(h!``V4L2_DEC_CMD_STOP_IMMEDIATELY``h]hV4L2_DEC_CMD_STOP_IMMEDIATELY}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjg ubh: is set, then the decoder stops immediately (ignoring the }(hjg hhhNhNubj)}(h``pts``h]hpts}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjg ubh value), otherwise it will keep decoding until timestamp >= pts or until the last of the pending data from its internal buffers was decoded.}(hjg hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjd ubh)}(hXFor a device implementing the :ref:`decoder`, the command will initiate the drain sequence as documented in :ref:`decoder`. No flags or other arguments are accepted in this case. Any attempt to invoke the command again before the sequence completes will trigger an ``EBUSY`` error code.h](hFor a device implementing the }(hj hhhNhNubh)}(h:ref:`decoder`h]j)}(hj h]hdecoder}(hj hhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]refdocj^ refdomainj reftyperef refexplicitrefwarnjsdecoderuh1hhhhKhj ubh@, the command will initiate the drain sequence as documented in }(hj hhhNhNubh)}(h:ref:`decoder`h]j)}(hj h]hdecoder}(hj hhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]refdocj^ refdomainj reftyperef refexplicitrefwarnjsdecoderuh1hhhhKhj ubh. No flags or other arguments are accepted in this case. Any attempt to invoke the command again before the sequence completes will trigger an }(hj hhhNhNubj)}(h ``EBUSY``h]hEBUSY}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubh error code.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjd ubeh}(h]h ]h"]h$]h&]uh1jUhj* ubeh}(h]h ]h"]h$]h&]uh1jPhj ubjQ)}(hhh](jV)}(hhh]h)}(h``V4L2_DEC_CMD_PAUSE``h]j)}(hj' h]hV4L2_DEC_CMD_PAUSE}(hj) hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj% ubah}(h]h ]h"]h$]h&]uh1hhhhKhj" ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(h2h]h2}(hjE hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjB ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(hX$Pause the decoder. When the decoder has not been started yet, the driver will return an ``EPERM`` error code. When the decoder is already paused, this command does nothing. This command has one flag: if ``V4L2_DEC_CMD_PAUSE_TO_BLACK`` is set, then set the decoder output to black when paused.h](hXPause the decoder. When the decoder has not been started yet, the driver will return an }(hj\ hhhNhNubj)}(h ``EPERM``h]hEPERM}(hjd hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj\ ubhj error code. When the decoder is already paused, this command does nothing. This command has one flag: if }(hj\ hhhNhNubj)}(h``V4L2_DEC_CMD_PAUSE_TO_BLACK``h]hV4L2_DEC_CMD_PAUSE_TO_BLACK}(hjv hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj\ ubh: is set, then set the decoder output to black when paused.}(hj\ hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjY ubah}(h]h ]h"]h$]h&]uh1jUhj ubeh}(h]h ]h"]h$]h&]uh1jPhj ubjQ)}(hhh](jV)}(hhh]h)}(h``V4L2_DEC_CMD_RESUME``h]j)}(hj h]hV4L2_DEC_CMD_RESUME}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(h3h]h3}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(hResume decoding after a PAUSE command. When the decoder has not been started yet, the driver will return an ``EPERM`` error code. When the decoder is already running, this command does nothing. No flags are defined for this command.h](hlResume decoding after a PAUSE command. When the decoder has not been started yet, the driver will return an }(hj hhhNhNubj)}(h ``EPERM``h]hEPERM}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubhs error code. When the decoder is already running, this command does nothing. No flags are defined for this command.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jUhj ubeh}(h]h ]h"]h$]h&]uh1jPhj ubjQ)}(hhh](jV)}(hhh]h)}(h``V4L2_DEC_CMD_FLUSH``h]j)}(hj h]hV4L2_DEC_CMD_FLUSH}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(h4h]h4}(hj) hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj& ubah}(h]h ]h"]h$]h&]uh1jUhj ubjV)}(hhh]h)}(hXFlush any held capture buffers. Only valid for stateless decoders. This command is typically used when the application reached the end of the stream and the last output buffer had the ``V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF`` flag set. This would prevent dequeueing the capture buffer containing the last decoded frame. So this command can be used to explicitly flush that final decoded frame. This command does nothing if there are no held capture buffers.h](hFlush any held capture buffers. Only valid for stateless decoders. This command is typically used when the application reached the end of the stream and the last output buffer had the }(hj@ hhhNhNubj)}(h&``V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF``h]h"V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF}(hjH hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj@ ubh flag set. This would prevent dequeueing the capture buffer containing the last decoded frame. So this command can be used to explicitly flush that final decoded frame. This command does nothing if there are no held capture buffers.}(hj@ hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj= ubah}(h]h ]h"]h$]h&]uh1jUhj ubeh}(h]h ]h"]h$]h&]uh1jPhj ubeh}(h]h ]h"]h$]h&]uh1jKhj ubeh}(h]h ]h"]h$]h&]colsKuh1jhj ubeh}(h](id2j eh ] longtableah"] decoder-cmdsah$]h&]uh1j hjhhhNhNexpect_referenced_by_name}j j sexpect_referenced_by_id}j j subeh}(h] descriptionah ]h"] descriptionah$]h&]uh1hhhhhhhhK$ubh)}(hhh](h)}(h Return Valueh]h Return Value}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hhhhhKubh)}(hOn success 0 is returned, on error -1 and the ``errno`` variable is set appropriately. The generic error codes are described at the :ref:`Generic Error Codes ` chapter.h](h.On success 0 is returned, on error -1 and the }(hj hhhNhNubj)}(h ``errno``h]herrno}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubhM variable is set appropriately. The generic error codes are described at the }(hj hhhNhNubh)}(h':ref:`Generic Error Codes `h]j)}(hj h]hGeneric Error Codes}(hj hhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]refdocj^ refdomainj reftyperef refexplicitrefwarnjs gen-errorsuh1hhhhKhj ubh chapter.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj hhubj)}(hhh](j)}(hEBUSY A drain sequence of a device implementing the :ref:`decoder` is still in progress. It is not allowed to issue another decoder command until it completes. h](j)}(hEBUSYh]hEBUSY}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhj ubj8)}(hhh]h)}(hA drain sequence of a device implementing the :ref:`decoder` is still in progress. It is not allowed to issue another decoder command until it completes.h](h.A drain sequence of a device implementing the }(hj hhhNhNubh)}(h:ref:`decoder`h]j)}(hjh]hdecoder}(hjhhhNhNubah}(h]h ](jRstdstd-refeh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj^ refdomainjreftyperef refexplicitrefwarnjsdecoderuh1hhhhKhj ubh] is still in progress. It is not allowed to issue another decoder command until it completes.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1j7hj ubeh}(h]h ]h"]h$]h&]uh1jhhhKhj ubj)}(h%EINVAL The ``cmd`` field is invalid. h](j)}(hEINVALh]hEINVAL}(hj=hhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhj9ubj8)}(hhh]h)}(hThe ``cmd`` field is invalid.h](hThe }(hjNhhhNhNubj)}(h``cmd``h]hcmd}(hjVhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjNubh field is invalid.}(hjNhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjKubah}(h]h ]h"]h$]h&]uh1j7hj9ubeh}(h]h ]h"]h$]h&]uh1jhhhKhj hhubj)}(hVEPERM The application sent a PAUSE or RESUME command when the decoder was not running.h](j)}(hEPERMh]hEPERM}(hj~hhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjzubj8)}(hhh]h)}(hPThe application sent a PAUSE or RESUME command when the decoder was not running.h]hPThe application sent a PAUSE or RESUME command when the decoder was not running.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1j7hjzubeh}(h]h ]h"]h$]h&]uh1jhhhKhj hhubeh}(h]h ]h"]h$]h&]uh1jhj hhhhhNubeh}(h] return-valueah ]h"] return valueah$]h&]uh1hhhhhhhhKubeh}(h](/ioctl-vidioc-decoder-cmd-vidioc-try-decoder-cmdheh ]h"](0ioctl vidioc_decoder_cmd, vidioc_try_decoder_cmdvidioc_decoder_cmdeh$]h&]uh1hhhhhhhhKj }jhsj }hhsubeh}(h]h ]h"]h$]h&]sourcehuh1hcurrent_sourceN current_lineNsettingsdocutils.frontendValues)}(hN generatorN datestampN source_linkN source_urlN toc_backlinksjUfootnote_backlinksK sectnum_xformKstrip_commentsNstrip_elements_with_classesN strip_classesN report_levelK halt_levelKexit_status_levelKdebugNwarning_streamN tracebackinput_encoding utf-8-siginput_encoding_error_handlerstrictoutput_encodingutf-8output_encoding_error_handlerjerror_encodingutf-8error_encoding_error_handlerbackslashreplace language_codeenrecord_dependenciesNconfigN id_prefixhauto_id_prefixid dump_settingsNdump_internalsNdump_transformsNdump_pseudo_xmlNexpose_internalsNstrict_visitorN_disable_configN_sourceh _destinationN _config_files]7/var/lib/git/docbuild/linux/Documentation/docutils.confafile_insertion_enabled raw_enabledKline_length_limitM'pep_referencesN pep_base_urlhttps://peps.python.org/pep_file_url_templatepep-%04drfc_referencesN rfc_base_url&https://datatracker.ietf.org/doc/html/ tab_widthKtrim_footnote_reference_spacesyntax_highlightlong smart_quotessmartquotes_locales]character_level_inline_markupdoctitle_xform docinfo_xformKsectsubtitle_xform image_loadinglinkembed_stylesheetcloak_email_addressessection_self_linkenvNubreporterNindirect_targets]substitution_defs}substitution_names}refnames}refids}(h]haj ]j aunameids}(jhjjhhjjjjj j j j jju nametypes}(jjhjjj j juh}(hhjhhhjjj j)jjjjj jjjj j jj j j j{ j u footnote_refs} citation_refs} autofootnotes]autofootnote_refs]symbol_footnotes]symbol_footnote_refs] footnotes] citations]autofootnote_startKsymbol_footnote_startK id_counter collectionsCounter}jKsRparse_messages]hsystem_message)}(hhh]h)}(heUnexpected possible title overline or transition. Treating it as ordinary text because it's so short.h]hgUnexpected possible title overline or transition. Treating it as ordinary text because it’s so short.}(hjMhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjJubah}(h]h ]h"]h$]h&]levelKtypeINFOlineKsourcehuh1jHhjy ubatransform_messages](jI)}(hhh]h)}(hhh]h8Hyperlink target "vidioc-decoder-cmd" is not referenced.}hjksbah}(h]h ]h"]h$]h&]uh1hhjhubah}(h]h ]h"]h$]h&]levelKtypejcsourcehlineKuh1jHubjI)}(hhh]h)}(hhh]h2Hyperlink target "decoder-cmds" is not referenced.}hjsbah}(h]h ]h"]h$]h&]uh1hhjubah}(h]h ]h"]h$]h&]levelKtypejcsourcehlineKuh1jHube transformerN include_log] decorationNhhub.