mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 01:41:39 +00:00
[media] doc-rst: add media.h header to media contrller
Adding the header file is interesting for several reasons: 1) It makes MC documentation consistend with other parts; 2) The header file can be used as a quick index to all API elements; 3) The cross-reference check helps to identify symbols that aren't documented. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
parent
fb6fc6c9ac
commit
d2c6815031
10 changed files with 170 additions and 12 deletions
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@ -5,7 +5,7 @@ UAPI = $(srctree)/include/uapi/linux
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SRC_DIR=$(srctree)/Documentation/media
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FILES = audio.h.rst ca.h.rst dmx.h.rst frontend.h.rst net.h.rst video.h.rst \
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videodev2.h.rst
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videodev2.h.rst media.h.rst
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TARGETS := $(addprefix $(BUILDDIR)/, $(FILES))
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@ -46,5 +46,8 @@ $(BUILDDIR)/video.h.rst: ${UAPI}/dvb/video.h ${PARSER} $(SRC_DIR)/video.h.rst.ex
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$(BUILDDIR)/videodev2.h.rst: ${UAPI}/videodev2.h ${PARSER} $(SRC_DIR)/videodev2.h.rst.exceptions
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@$($(quiet)gen_rst)
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$(BUILDDIR)/media.h.rst: ${UAPI}/media.h ${PARSER} $(SRC_DIR)/media.h.rst.exceptions
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@$($(quiet)gen_rst)
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cleandocs:
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-rm ${TARGETS}
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30
Documentation/media/media.h.rst.exceptions
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30
Documentation/media/media.h.rst.exceptions
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@ -0,0 +1,30 @@
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# Ignore header name
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ignore define __LINUX_MEDIA_H
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# Ignore macros
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ignore define MEDIA_API_VERSION
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ignore define MEDIA_ENT_F_BASE
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ignore define MEDIA_ENT_F_OLD_BASE
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ignore define MEDIA_ENT_F_OLD_SUBDEV_BASE
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ignore define MEDIA_INTF_T_DVB_BASE
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ignore define MEDIA_INTF_T_V4L_BASE
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ignore define MEDIA_INTF_T_ALSA_BASE
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#ignore legacy entity type macros
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ignore define MEDIA_ENT_TYPE_SHIFT
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ignore define MEDIA_ENT_TYPE_MASK
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ignore define MEDIA_ENT_SUBTYPE_MASK
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ignore define MEDIA_ENT_T_DEVNODE_UNKNOWN
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ignore define MEDIA_ENT_T_DEVNODE
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ignore define MEDIA_ENT_T_DEVNODE_V4L
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ignore define MEDIA_ENT_T_DEVNODE_FB
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ignore define MEDIA_ENT_T_DEVNODE_ALSA
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ignore define MEDIA_ENT_T_DEVNODE_DVB
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ignore define MEDIA_ENT_T_UNKNOWN
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ignore define MEDIA_ENT_T_V4L2_VIDEO
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ignore define MEDIA_ENT_T_V4L2_SUBDEV
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ignore define MEDIA_ENT_T_V4L2_SUBDEV_SENSOR
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ignore define MEDIA_ENT_T_V4L2_SUBDEV_FLASH
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ignore define MEDIA_ENT_T_V4L2_SUBDEV_LENS
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ignore define MEDIA_ENT_T_V4L2_SUBDEV_DECODER
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ignore define MEDIA_ENT_T_V4L2_SUBDEV_TUNER
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@ -22,7 +22,7 @@ Media Controller
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media-controller-intro
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media-controller-model
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media-types
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media-header
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.. _media-user-func:
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10
Documentation/media/uapi/mediactl/media-header.rst
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10
Documentation/media/uapi/mediactl/media-header.rst
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@ -0,0 +1,10 @@
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.. -*- coding: utf-8; mode: rst -*-
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.. _media_header:
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****************************
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Media Controller Header File
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****************************
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.. kernel-include:: $BUILDDIR/media.h.rst
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@ -1,6 +1,6 @@
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.. -*- coding: utf-8; mode: rst -*-
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.. _media-ioc-device-info:
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.. _media_ioc_device_info:
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***************************
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ioctl MEDIA_IOC_DEVICE_INFO
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@ -1,6 +1,6 @@
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.. -*- coding: utf-8; mode: rst -*-
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.. _media-ioc-enum-entities:
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.. _media_ioc_enum_entities:
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*****************************
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ioctl MEDIA_IOC_ENUM_ENTITIES
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structure. The driver fills the rest of the structure or returns an
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EINVAL error code when the id is invalid.
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.. _media-ent-id-flag-next:
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Entities can be enumerated by or'ing the id with the
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``MEDIA_ENT_ID_FLAG_NEXT`` flag. The driver will return information
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about the entity with the smallest id strictly larger than the requested
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@ -1,6 +1,6 @@
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.. -*- coding: utf-8; mode: rst -*-
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.. _media-ioc-enum-links:
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.. _media_ioc_enum_links:
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**************************
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ioctl MEDIA_IOC_ENUM_LINKS
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If the ``pads`` field is not NULL, the driver fills the ``pads`` array
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with information about the entity's pads. The array must have enough
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room to store all the entity's pads. The number of pads can be retrieved
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with the :ref:`MEDIA_IOC_ENUM_ENTITIES <media-ioc-enum-entities>`
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ioctl.
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with :ref:`MEDIA_IOC_ENUM_ENTITIES`.
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If the ``links`` field is not NULL, the driver fills the ``links`` array
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with information about the entity's outbound links. The array must have
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enough room to store all the entity's outbound links. The number of
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outbound links can be retrieved with the
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:ref:`MEDIA_IOC_ENUM_ENTITIES <media-ioc-enum-entities>` ioctl.
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outbound links can be retrieved with :ref:`MEDIA_IOC_ENUM_ENTITIES`.
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Only forward links that originate at one of the entity's source pads are
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returned during the enumeration process.
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@ -1,6 +1,6 @@
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.. -*- coding: utf-8; mode: rst -*-
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.. _media-g-topology:
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.. _media_ioc_g_topology:
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**************************
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ioctl MEDIA_IOC_G_TOPOLOGY
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@ -1,6 +1,6 @@
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.. -*- coding: utf-8; mode: rst -*-
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.. _media-ioc-setup-link:
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.. _media_ioc_setup_link:
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**************************
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ioctl MEDIA_IOC_SETUP_LINK
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@ -15,6 +15,9 @@ Types and flags used to represent the media graph elements
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- .. row 1
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.. _MEDIA-ENT-F-UNKNOWN:
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.. _MEDIA-ENT-F-V4L2-SUBDEV-UNKNOWN:
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- ``MEDIA_ENT_F_UNKNOWN`` and ``MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN``
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- Unknown entity. That generally indicates that a driver didn't
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- .. row 2
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.. _MEDIA-ENT-F-IO-V4L:
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- ``MEDIA_ENT_F_IO_V4L``
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- Data streaming input and/or output entity.
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- .. row 3
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.. _MEDIA-ENT-F-IO-VBI:
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- ``MEDIA_ENT_F_IO_VBI``
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- V4L VBI streaming input or output entity
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- .. row 4
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.. _MEDIA-ENT-F-IO-SWRADIO:
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- ``MEDIA_ENT_F_IO_SWRADIO``
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- V4L Software Digital Radio (SDR) streaming input or output entity
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- .. row 5
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.. _MEDIA-ENT-F-IO-DTV:
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- ``MEDIA_ENT_F_IO_DTV``
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- DVB Digital TV streaming input or output entity
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- .. row 6
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.. _MEDIA-ENT-F-DTV-DEMOD:
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- ``MEDIA_ENT_F_DTV_DEMOD``
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- Digital TV demodulator entity.
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- .. row 7
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.. _MEDIA-ENT-F-TS-DEMUX:
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- ``MEDIA_ENT_F_TS_DEMUX``
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- MPEG Transport stream demux entity. Could be implemented on
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- .. row 8
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.. _MEDIA-ENT-F-DTV-CA:
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- ``MEDIA_ENT_F_DTV_CA``
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- Digital TV Conditional Access module (CAM) entity
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- .. row 9
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.. _MEDIA-ENT-F-DTV-NET-DECAP:
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- ``MEDIA_ENT_F_DTV_NET_DECAP``
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- Digital TV network ULE/MLE desencapsulation entity. Could be
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- .. row 10
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.. _MEDIA-ENT-F-CONN-RF:
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- ``MEDIA_ENT_F_CONN_RF``
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- Connector for a Radio Frequency (RF) signal.
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- .. row 11
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.. _MEDIA-ENT-F-CONN-SVIDEO:
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- ``MEDIA_ENT_F_CONN_SVIDEO``
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- Connector for a S-Video signal.
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- .. row 12
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.. _MEDIA-ENT-F-CONN-COMPOSITE:
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- ``MEDIA_ENT_F_CONN_COMPOSITE``
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- Connector for a RGB composite signal.
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- .. row 13
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.. _MEDIA-ENT-F-CAM-SENSOR:
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- ``MEDIA_ENT_F_CAM_SENSOR``
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- Camera video sensor entity.
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- .. row 14
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.. _MEDIA-ENT-F-FLASH:
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- ``MEDIA_ENT_F_FLASH``
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- Flash controller entity.
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- .. row 15
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.. _MEDIA-ENT-F-LENS:
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- ``MEDIA_ENT_F_LENS``
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- Lens controller entity.
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- .. row 16
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.. _MEDIA-ENT-F-ATV-DECODER:
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- ``MEDIA_ENT_F_ATV_DECODER``
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- Analog video decoder, the basic function of the video decoder is
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- .. row 17
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.. _MEDIA-ENT-F-TUNER:
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- ``MEDIA_ENT_F_TUNER``
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- Digital TV, analog TV, radio and/or software radio tuner, with
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- .. row 18
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.. _MEDIA-ENT-F-IF-VID-DECODER:
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- ``MEDIA_ENT_F_IF_VID_DECODER``
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- IF-PLL video decoder. It receives the IF from a PLL and decodes
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- .. row 19
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.. _MEDIA-ENT-F-IF-AUD-DECODER:
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- ``MEDIA_ENT_F_IF_AUD_DECODER``
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- IF-PLL sound decoder. It receives the IF from a PLL and decodes
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- .. row 20
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.. _MEDIA-ENT-F-AUDIO-CAPTURE:
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- ``MEDIA_ENT_F_AUDIO_CAPTURE``
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- Audio Capture Function Entity.
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- .. row 21
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.. _MEDIA-ENT-F-AUDIO-PLAYBACK:
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- ``MEDIA_ENT_F_AUDIO_PLAYBACK``
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- Audio Playback Function Entity.
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- .. row 22
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.. _MEDIA-ENT-F-AUDIO-MIXER:
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- ``MEDIA_ENT_F_AUDIO_MIXER``
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- Audio Mixer Function Entity.
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- .. row 23
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.. _MEDIA-ENT-F-PROC-VIDEO-COMPOSER:
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- ``MEDIA_ENT_F_PROC_VIDEO_COMPOSER``
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- Video composer (blender). An entity capable of video
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- .. row 24
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.. _MEDIA-ENT-F-PROC-VIDEO-PIXEL-FORMATTER:
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- ``MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER``
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- Video pixel formatter. An entity capable of pixel formatting
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- .. row 25
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.. _MEDIA-ENT-F-PROC-VIDEO-PIXEL-ENC-CONV:
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- ``MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV``
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- Video pixel encoding converter. An entity capable of pixel
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- .. row 26
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.. _MEDIA-ENT-F-PROC-VIDEO-LUT:
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- ``MEDIA_ENT_F_PROC_VIDEO_LUT``
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- Video look-up table. An entity capable of video lookup table
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- .. row 27
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.. _MEDIA-ENT-F-PROC-VIDEO-SCALER:
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- ``MEDIA_ENT_F_PROC_VIDEO_SCALER``
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- Video scaler. An entity capable of video scaling must have
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- .. row 28
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.. _MEDIA-ENT-F-PROC-VIDEO-STATISTICS:
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- ``MEDIA_ENT_F_PROC_VIDEO_STATISTICS``
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- Video statistics computation (histogram, 3A, ...). An entity
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- .. row 1
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.. _MEDIA-ENT-FL-DEFAULT:
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- ``MEDIA_ENT_FL_DEFAULT``
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- Default entity for its type. Used to discover the default audio,
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- .. row 2
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.. _MEDIA-ENT-FL-CONNECTOR:
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- ``MEDIA_ENT_FL_CONNECTOR``
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- The entity represents a data conector
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- .. row 1
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.. _MEDIA-INTF-T-DVB-FE:
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- ``MEDIA_INTF_T_DVB_FE``
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- Device node interface for the Digital TV frontend
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- .. row 2
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.. _MEDIA-INTF-T-DVB-DEMUX:
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- ``MEDIA_INTF_T_DVB_DEMUX``
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- Device node interface for the Digital TV demux
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- .. row 3
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.. _MEDIA-INTF-T-DVB-DVR:
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- ``MEDIA_INTF_T_DVB_DVR``
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- Device node interface for the Digital TV DVR
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- .. row 4
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.. _MEDIA-INTF-T-DVB-CA:
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- ``MEDIA_INTF_T_DVB_CA``
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- Device node interface for the Digital TV Conditional Access
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- .. row 5
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- ``MEDIA_INTF_T_DVB_FE``
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.. _MEDIA-INTF-T-DVB-NET:
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- ``MEDIA_INTF_T_DVB_NET``
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- Device node interface for the Digital TV network control
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- .. row 6
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.. _MEDIA-INTF-T-V4L-VIDEO:
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- ``MEDIA_INTF_T_V4L_VIDEO``
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- Device node interface for video (V4L)
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- .. row 7
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.. _MEDIA-INTF-T-V4L-VBI:
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- ``MEDIA_INTF_T_V4L_VBI``
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- Device node interface for VBI (V4L)
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- .. row 8
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.. _MEDIA-INTF-T-V4L-RADIO:
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- ``MEDIA_INTF_T_V4L_RADIO``
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- Device node interface for radio (V4L)
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- .. row 9
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.. _MEDIA-INTF-T-V4L-SUBDEV:
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- ``MEDIA_INTF_T_V4L_SUBDEV``
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- Device node interface for a V4L subdevice
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- .. row 10
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.. _MEDIA-INTF-T-V4L-SWRADIO:
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|
||||
- ``MEDIA_INTF_T_V4L_SWRADIO``
|
||||
|
||||
- Device node interface for Software Defined Radio (V4L)
|
||||
|
@ -348,6 +429,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 11
|
||||
|
||||
.. _MEDIA-INTF-T-ALSA-PCM-CAPTURE:
|
||||
|
||||
- ``MEDIA_INTF_T_ALSA_PCM_CAPTURE``
|
||||
|
||||
- Device node interface for ALSA PCM Capture
|
||||
|
@ -356,6 +439,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 12
|
||||
|
||||
.. _MEDIA-INTF-T-ALSA-PCM-PLAYBACK:
|
||||
|
||||
- ``MEDIA_INTF_T_ALSA_PCM_PLAYBACK``
|
||||
|
||||
- Device node interface for ALSA PCM Playback
|
||||
|
@ -364,6 +449,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 13
|
||||
|
||||
.. _MEDIA-INTF-T-ALSA-CONTROL:
|
||||
|
||||
- ``MEDIA_INTF_T_ALSA_CONTROL``
|
||||
|
||||
- Device node interface for ALSA Control
|
||||
|
@ -372,6 +459,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 14
|
||||
|
||||
.. _MEDIA-INTF-T-ALSA-COMPRESS:
|
||||
|
||||
- ``MEDIA_INTF_T_ALSA_COMPRESS``
|
||||
|
||||
- Device node interface for ALSA Compress
|
||||
|
@ -380,6 +469,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 15
|
||||
|
||||
.. _MEDIA-INTF-T-ALSA-RAWMIDI:
|
||||
|
||||
- ``MEDIA_INTF_T_ALSA_RAWMIDI``
|
||||
|
||||
- Device node interface for ALSA Raw MIDI
|
||||
|
@ -388,6 +479,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 16
|
||||
|
||||
.. _MEDIA-INTF-T-ALSA-HWDEP:
|
||||
|
||||
- ``MEDIA_INTF_T_ALSA_HWDEP``
|
||||
|
||||
- Device node interface for ALSA Hardware Dependent
|
||||
|
@ -396,6 +489,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 17
|
||||
|
||||
.. _MEDIA-INTF-T-ALSA-SEQUENCER:
|
||||
|
||||
- ``MEDIA_INTF_T_ALSA_SEQUENCER``
|
||||
|
||||
- Device node interface for ALSA Sequencer
|
||||
|
@ -404,6 +499,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 18
|
||||
|
||||
.. _MEDIA-INTF-T-ALSA-TIMER:
|
||||
|
||||
- ``MEDIA_INTF_T_ALSA_TIMER``
|
||||
|
||||
- Device node interface for ALSA Timer
|
||||
|
@ -421,6 +518,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 1
|
||||
|
||||
.. _MEDIA-PAD-FL-SINK:
|
||||
|
||||
- ``MEDIA_PAD_FL_SINK``
|
||||
|
||||
- Input pad, relative to the entity. Input pads sink data and are
|
||||
|
@ -428,6 +527,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 2
|
||||
|
||||
.. _MEDIA-PAD-FL-SOURCE:
|
||||
|
||||
- ``MEDIA_PAD_FL_SOURCE``
|
||||
|
||||
- Output pad, relative to the entity. Output pads source data and
|
||||
|
@ -435,6 +536,8 @@ Types and flags used to represent the media graph elements
|
|||
|
||||
- .. row 3
|
||||
|
||||
.. _MEDIA-PAD-FL-MUST-CONNECT:
|
||||
|
||||
- ``MEDIA_PAD_FL_MUST_CONNECT``
|
||||
|
||||
- If this flag is set and the pad is linked to any other pad, then
|
||||
|
@ -458,6 +561,8 @@ must be set for every pad.
|
|||
|
||||
- .. row 1
|
||||
|
||||
.. _MEDIA-LNK-FL-ENABLED:
|
||||
|
||||
- ``MEDIA_LNK_FL_ENABLED``
|
||||
|
||||
- The link is enabled and can be used to transfer media data. When
|
||||
|
@ -466,6 +571,8 @@ must be set for every pad.
|
|||
|
||||
- .. row 2
|
||||
|
||||
.. _MEDIA-LNK-FL-IMMUTABLE:
|
||||
|
||||
- ``MEDIA_LNK_FL_IMMUTABLE``
|
||||
|
||||
- The link enabled state can't be modified at runtime. An immutable
|
||||
|
@ -473,6 +580,8 @@ must be set for every pad.
|
|||
|
||||
- .. row 3
|
||||
|
||||
.. _MEDIA-LNK-FL-DYNAMIC:
|
||||
|
||||
- ``MEDIA_LNK_FL_DYNAMIC``
|
||||
|
||||
- The link enabled state can be modified during streaming. This flag
|
||||
|
@ -480,12 +589,18 @@ must be set for every pad.
|
|||
|
||||
- .. row 4
|
||||
|
||||
.. _MEDIA-LNK-FL-LINK-TYPE:
|
||||
|
||||
- ``MEDIA_LNK_FL_LINK_TYPE``
|
||||
|
||||
- This is a bitmask that defines the type of the link. Currently,
|
||||
two types of links are supported:
|
||||
|
||||
.. _MEDIA-LNK-FL-DATA-LINK:
|
||||
|
||||
``MEDIA_LNK_FL_DATA_LINK`` if the link is between two pads
|
||||
|
||||
.. _MEDIA-LNK-FL-INTERFACE-LINK:
|
||||
|
||||
``MEDIA_LNK_FL_INTERFACE_LINK`` if the link is between an
|
||||
interface and an entity
|
||||
|
|
Loading…
Reference in a new issue