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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-28 15:49:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-28 15:49:58 -0700 |
| commit | 31e798fd6f0ff0acdc49c1a358b581730936a09a (patch) | |
| tree | 5c1c271ad457a8328aea35539e69c6ad9d1474b7 /Documentation/userspace-api | |
| parent | 36824f198c621cebeb22966b5e244378fa341295 (diff) | |
| parent | 61c6f04a988e420a1fc5e8e81cf9aebf142a7bd6 (diff) | |
| download | lwn-31e798fd6f0ff0acdc49c1a358b581730936a09a.tar.gz lwn-31e798fd6f0ff0acdc49c1a358b581730936a09a.zip | |
Merge tag 'media/v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- V4L2 core control API was split into separate files
- New RC maps: tango and tc-90405
- Hantro driver got support for G2/HEVC decoder
- av7710 is moving to staging, together with some legacy APIs
- several cleanups related to compat_ioctl32 code
- Move the MPEG-2 stateless control type out of staging
- Address several issues with RPM get logic on media drivers
- Lots of cleanups, bug fixes and improvements.
* tag 'media/v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (394 commits)
media: s5p-mfc: Fix display delay control creation
media: mtk-vpu: on suspend, read/write regs only if vpu is running
media: video-mux: Skip dangling endpoints
media: Fix Media Controller API config checks
media: i2c: rdacm20: Re-work ov10635 reset
media: i2c: rdacm20: Check return values
media: i2c: rdacm20: Report camera module name
media: i2c: rdacm20: Enable noise immunity
media: i2c: rdacm20: Embed 'serializer' field
media: i2c: rdacm21: Power up OV10640 before OV490
media: i2c: rdacm21: Fix OV10640 powerup
media: i2c: rdacm21: Add delay after OV490 reset
media: i2c: max9271: Introduce wake_up() function
media: i2c: max9271: Check max9271_write() return
media: i2c: max9286: Rework comments in .bound()
media: i2c: max9286: Define high channel amplitude
media: i2c: max9286: Cache channel amplitude
media: i2c: max9286: Rename reverse_channel_mv
media: i2c: max9286: Adjust parameters indent
media: hantro: add support for Rockchip RK3036
...
Diffstat (limited to 'Documentation/userspace-api')
72 files changed, 426 insertions, 3681 deletions
diff --git a/Documentation/userspace-api/media/Makefile b/Documentation/userspace-api/media/Makefile index 81a4a1a53bce..00922aa7efde 100644 --- a/Documentation/userspace-api/media/Makefile +++ b/Documentation/userspace-api/media/Makefile @@ -7,8 +7,8 @@ PARSER = $(srctree)/Documentation/sphinx/parse-headers.pl UAPI = $(srctree)/include/uapi/linux KAPI = $(srctree)/include/linux -FILES = audio.h.rst ca.h.rst dmx.h.rst frontend.h.rst net.h.rst video.h.rst \ - videodev2.h.rst media.h.rst cec.h.rst lirc.h.rst +FILES = ca.h.rst dmx.h.rst frontend.h.rst net.h.rst \ + videodev2.h.rst media.h.rst cec.h.rst lirc.h.rst TARGETS := $(addprefix $(BUILDDIR)/, $(FILES)) @@ -21,9 +21,6 @@ quiet_gen_rst = echo ' PARSE $(patsubst $(srctree)/%,%,$<)'; \ silent_gen_rst = ${gen_rst} -$(BUILDDIR)/audio.h.rst: ${UAPI}/dvb/audio.h ${PARSER} $(SRC_DIR)/audio.h.rst.exceptions - @$($(quiet)gen_rst) - $(BUILDDIR)/ca.h.rst: ${UAPI}/dvb/ca.h ${PARSER} $(SRC_DIR)/ca.h.rst.exceptions @$($(quiet)gen_rst) @@ -36,9 +33,6 @@ $(BUILDDIR)/frontend.h.rst: ${UAPI}/dvb/frontend.h ${PARSER} $(SRC_DIR)/frontend $(BUILDDIR)/net.h.rst: ${UAPI}/dvb/net.h ${PARSER} $(SRC_DIR)/net.h.rst.exceptions @$($(quiet)gen_rst) -$(BUILDDIR)/video.h.rst: ${UAPI}/dvb/video.h ${PARSER} $(SRC_DIR)/video.h.rst.exceptions - @$($(quiet)gen_rst) - $(BUILDDIR)/videodev2.h.rst: ${UAPI}/videodev2.h ${PARSER} $(SRC_DIR)/videodev2.h.rst.exceptions @$($(quiet)gen_rst) diff --git a/Documentation/userspace-api/media/audio.h.rst.exceptions b/Documentation/userspace-api/media/audio.h.rst.exceptions deleted file mode 100644 index cf6620477f73..000000000000 --- a/Documentation/userspace-api/media/audio.h.rst.exceptions +++ /dev/null @@ -1,19 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 - -# Ignore header name -ignore define _DVBAUDIO_H_ - -# Undocumented audio caps, as this is a deprecated API anyway -ignore define AUDIO_CAP_DTS -ignore define AUDIO_CAP_LPCM -ignore define AUDIO_CAP_MP1 -ignore define AUDIO_CAP_MP2 -ignore define AUDIO_CAP_MP3 -ignore define AUDIO_CAP_AAC -ignore define AUDIO_CAP_OGG -ignore define AUDIO_CAP_SDDS -ignore define AUDIO_CAP_AC3 - -# some typedefs should point to struct/enums -replace typedef audio_mixer_t :c:type:`audio_mixer` -replace typedef audio_status_t :c:type:`audio_status` diff --git a/Documentation/userspace-api/media/drivers/hantro.rst b/Documentation/userspace-api/media/drivers/hantro.rst new file mode 100644 index 000000000000..cd9754b4e005 --- /dev/null +++ b/Documentation/userspace-api/media/drivers/hantro.rst @@ -0,0 +1,19 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Hantro video decoder driver +=========================== + +The Hantro video decoder driver implements the following driver-specific controls: + +``V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP (integer)`` + Specifies to Hantro HEVC video decoder driver the number of data (in bits) to + skip in the slice segment header. + If non-IDR, the bits to be skipped go from syntax element "pic_output_flag" + to before syntax element "slice_temporal_mvp_enabled_flag". + If IDR, the skipped bits are just "pic_output_flag" + (separate_colour_plane_flag is not supported). + +.. note:: + + This control is not yet part of the public kernel API and + it is expected to change. diff --git a/Documentation/userspace-api/media/drivers/index.rst b/Documentation/userspace-api/media/drivers/index.rst index 1a9038f5f9fa..12e3c512d718 100644 --- a/Documentation/userspace-api/media/drivers/index.rst +++ b/Documentation/userspace-api/media/drivers/index.rst @@ -33,6 +33,7 @@ For more details see the file COPYING in the source distribution of Linux. ccs cx2341x-uapi + hantro imx-uapi max2175 meye-uapi diff --git a/Documentation/userspace-api/media/dvb/audio-bilingual-channel-select.rst b/Documentation/userspace-api/media/dvb/audio-bilingual-channel-select.rst deleted file mode 100644 index 33b5363317f1..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-bilingual-channel-select.rst +++ /dev/null @@ -1,58 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_BILINGUAL_CHANNEL_SELECT: - -============================== -AUDIO_BILINGUAL_CHANNEL_SELECT -============================== - -Name ----- - -AUDIO_BILINGUAL_CHANNEL_SELECT - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_BILINGUAL_CHANNEL_SELECT - -``int ioctl(int fd, AUDIO_BILINGUAL_CHANNEL_SELECT, struct audio_channel_select *select)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - audio_channel_select_t ch - - - Select the output format of the audio (mono left/right, stereo). - -Description ------------ - -This ioctl is obsolete. Do not use in new drivers. It has been replaced -by the V4L2 ``V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK`` control -for MPEG decoders controlled through V4L2. - -This ioctl call asks the Audio Device to select the requested channel -for bilingual streams if possible. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-channel-select.rst b/Documentation/userspace-api/media/dvb/audio-channel-select.rst deleted file mode 100644 index 74093df92a68..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-channel-select.rst +++ /dev/null @@ -1,57 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_CHANNEL_SELECT: - -==================== -AUDIO_CHANNEL_SELECT -==================== - -Name ----- - -AUDIO_CHANNEL_SELECT - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_CHANNEL_SELECT - -``int ioctl(int fd, AUDIO_CHANNEL_SELECT, struct audio_channel_select *select)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - audio_channel_select_t ch - - - Select the output format of the audio (mono left/right, stereo). - -Description ------------ - -This ioctl is for Digital TV devices only. To control a V4L2 decoder use the -V4L2 ``V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK`` control instead. - -This ioctl call asks the Audio Device to select the requested channel if -possible. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-clear-buffer.rst b/Documentation/userspace-api/media/dvb/audio-clear-buffer.rst deleted file mode 100644 index a0ebb0278260..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-clear-buffer.rst +++ /dev/null @@ -1,48 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_CLEAR_BUFFER: - -================== -AUDIO_CLEAR_BUFFER -================== - -Name ----- - -AUDIO_CLEAR_BUFFER - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_CLEAR_BUFFER - -``int ioctl(int fd, AUDIO_CLEAR_BUFFER)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - -Description ------------ - -This ioctl call asks the Audio Device to clear all software and hardware -buffers of the audio decoder device. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-continue.rst b/Documentation/userspace-api/media/dvb/audio-continue.rst deleted file mode 100644 index a2e9850f37f2..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-continue.rst +++ /dev/null @@ -1,48 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_CONTINUE: - -============== -AUDIO_CONTINUE -============== - -Name ----- - -AUDIO_CONTINUE - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_CONTINUE - -``int ioctl(int fd, AUDIO_CONTINUE)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - -Description ------------ - -This ioctl restarts the decoding and playing process previously paused -with AUDIO_PAUSE command. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-fclose.rst b/Documentation/userspace-api/media/dvb/audio-fclose.rst deleted file mode 100644 index 77857d578e83..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-fclose.rst +++ /dev/null @@ -1,51 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _audio_fclose: - -======================== -Digital TV audio close() -======================== - -Name ----- - -Digital TV audio close() - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:function:: int close(int fd) - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - -Description ------------ - -This system call closes a previously opened audio device. - -Return Value ------------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``EBADF`` - - - fd is not a valid open file descriptor. diff --git a/Documentation/userspace-api/media/dvb/audio-fopen.rst b/Documentation/userspace-api/media/dvb/audio-fopen.rst deleted file mode 100644 index 774daaab3bad..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-fopen.rst +++ /dev/null @@ -1,103 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _audio_fopen: - -======================= -Digital TV audio open() -======================= - -Name ----- - -Digital TV audio open() - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:function:: int open(const char *deviceName, int flags) - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - const char \*deviceName - - - Name of specific audio device. - - - .. row 2 - - - int flags - - - A bit-wise OR of the following flags: - - - .. row 3 - - - - - O_RDONLY read-only access - - - .. row 4 - - - - - O_RDWR read/write access - - - .. row 5 - - - - - O_NONBLOCK open in non-blocking mode - - - .. row 6 - - - - - (blocking mode is the default) - -Description ------------ - -This system call opens a named audio device (e.g. -/dev/dvb/adapter0/audio0) for subsequent use. When an open() call has -succeeded, the device will be ready for use. The significance of -blocking or non-blocking mode is described in the documentation for -functions where there is a difference. It does not affect the semantics -of the open() call itself. A device opened in blocking mode can later be -put into non-blocking mode (and vice versa) using the F_SETFL command -of the fcntl system call. This is a standard system call, documented in -the Linux manual page for fcntl. Only one user can open the Audio Device -in O_RDWR mode. All other attempts to open the device in this mode will -fail, and an error code will be returned. If the Audio Device is opened -in O_RDONLY mode, the only ioctl call that can be used is -AUDIO_GET_STATUS. All other call will return with an error code. - -Return Value ------------- - -.. tabularcolumns:: |p{2.5cm}|p{15.0cm}| - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``ENODEV`` - - - Device driver not loaded/available. - - - .. row 2 - - - ``EBUSY`` - - - Device or resource busy. - - - .. row 3 - - - ``EINVAL`` - - - Invalid argument. diff --git a/Documentation/userspace-api/media/dvb/audio-fwrite.rst b/Documentation/userspace-api/media/dvb/audio-fwrite.rst deleted file mode 100644 index 7b096ac2b6c4..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-fwrite.rst +++ /dev/null @@ -1,79 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _audio_fwrite: - -========================= -Digital TV audio write() -========================= - -Name ----- - -Digital TV audio write() - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:function:: size_t write(int fd, const void *buf, size_t count) - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - void \*buf - - - Pointer to the buffer containing the PES data. - - - .. row 3 - - - size_t count - - - Size of buf. - -Description ------------ - -This system call can only be used if AUDIO_SOURCE_MEMORY is selected -in the ioctl call AUDIO_SELECT_SOURCE. The data provided shall be in -PES format. If O_NONBLOCK is not specified the function will block -until buffer space is available. The amount of data to be transferred is -implied by count. - -Return Value ------------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``EPERM`` - - - Mode AUDIO_SOURCE_MEMORY not selected. - - - .. row 2 - - - ``ENOMEM`` - - - Attempted to write more data than the internal buffer can hold. - - - .. row 3 - - - ``EBADF`` - - - fd is not a valid open file descriptor. diff --git a/Documentation/userspace-api/media/dvb/audio-get-capabilities.rst b/Documentation/userspace-api/media/dvb/audio-get-capabilities.rst deleted file mode 100644 index 6d9eb71dad17..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-get-capabilities.rst +++ /dev/null @@ -1,54 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_GET_CAPABILITIES: - -====================== -AUDIO_GET_CAPABILITIES -====================== - -Name ----- - -AUDIO_GET_CAPABILITIES - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_GET_CAPABILITIES - -``int ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - unsigned int \*cap - - - Returns a bit array of supported sound formats. - -Description ------------ - -This ioctl call asks the Audio Device to tell us about the decoding -capabilities of the audio hardware. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-get-status.rst b/Documentation/userspace-api/media/dvb/audio-get-status.rst deleted file mode 100644 index 7ae8db2e65e9..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-get-status.rst +++ /dev/null @@ -1,54 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_GET_STATUS: - -================ -AUDIO_GET_STATUS -================ - -Name ----- - -AUDIO_GET_STATUS - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_GET_STATUS - -``int ioctl(int fd, AUDIO_GET_STATUS, struct audio_status *status)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - struct audio_status \*status - - - Returns the current state of Audio Device. - -Description ------------ - -This ioctl call asks the Audio Device to return the current state of the -Audio Device. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-pause.rst b/Documentation/userspace-api/media/dvb/audio-pause.rst deleted file mode 100644 index d37d1ddce4df..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-pause.rst +++ /dev/null @@ -1,49 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_PAUSE: - -=========== -AUDIO_PAUSE -=========== - -Name ----- - -AUDIO_PAUSE - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_PAUSE - -``int ioctl(int fd, AUDIO_PAUSE)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - -Description ------------ - -This ioctl call suspends the audio stream being played. Decoding and -playing are paused. It is then possible to restart again decoding and -playing process of the audio stream using AUDIO_CONTINUE command. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-play.rst b/Documentation/userspace-api/media/dvb/audio-play.rst deleted file mode 100644 index e591930b6ca7..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-play.rst +++ /dev/null @@ -1,48 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_PLAY: - -========== -AUDIO_PLAY -========== - -Name ----- - -AUDIO_PLAY - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_PLAY - -``int ioctl(int fd, AUDIO_PLAY)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - -Description ------------ - -This ioctl call asks the Audio Device to start playing an audio stream -from the selected source. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-select-source.rst b/Documentation/userspace-api/media/dvb/audio-select-source.rst deleted file mode 100644 index 6a0c0f365eb1..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-select-source.rst +++ /dev/null @@ -1,56 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_SELECT_SOURCE: - -=================== -AUDIO_SELECT_SOURCE -=================== - -Name ----- - -AUDIO_SELECT_SOURCE - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_SELECT_SOURCE - -``int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - audio_stream_source_t source - - - Indicates the source that shall be used for the Audio stream. - -Description ------------ - -This ioctl call informs the audio device which source shall be used for -the input data. The possible sources are demux or memory. If -AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device -through the write command. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-set-av-sync.rst b/Documentation/userspace-api/media/dvb/audio-set-av-sync.rst deleted file mode 100644 index 85a8016bf025..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-set-av-sync.rst +++ /dev/null @@ -1,58 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_SET_AV_SYNC: - -================= -AUDIO_SET_AV_SYNC -================= - -Name ----- - -AUDIO_SET_AV_SYNC - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_SET_AV_SYNC - -``int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - boolean state - - - Tells the Digital TV subsystem if A/V synchronization shall be ON or OFF. - - TRUE: AV-sync ON - - FALSE: AV-sync OFF - -Description ------------ - -This ioctl call asks the Audio Device to turn ON or OFF A/V -synchronization. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-set-bypass-mode.rst b/Documentation/userspace-api/media/dvb/audio-set-bypass-mode.rst deleted file mode 100644 index ecac02f1b2fc..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-set-bypass-mode.rst +++ /dev/null @@ -1,62 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_SET_BYPASS_MODE: - -===================== -AUDIO_SET_BYPASS_MODE -===================== - -Name ----- - -AUDIO_SET_BYPASS_MODE - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_SET_BYPASS_MODE - -``int ioctl(int fd, AUDIO_SET_BYPASS_MODE, boolean mode)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - boolean mode - - - Enables or disables the decoding of the current Audio stream in - the Digital TV subsystem. - - TRUE: Bypass is disabled - - FALSE: Bypass is enabled - -Description ------------ - -This ioctl call asks the Audio Device to bypass the Audio decoder and -forward the stream without decoding. This mode shall be used if streams -that can’t be handled by the Digital TV system shall be decoded. Dolby -DigitalTM streams are automatically forwarded by the Digital TV subsystem if -the hardware can handle it. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-set-id.rst b/Documentation/userspace-api/media/dvb/audio-set-id.rst deleted file mode 100644 index 39ad846d412d..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-set-id.rst +++ /dev/null @@ -1,59 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_SET_ID: - -============ -AUDIO_SET_ID -============ - -Name ----- - -AUDIO_SET_ID - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_SET_ID - -``int ioctl(int fd, AUDIO_SET_ID, int id)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - int id - - - audio sub-stream id - -Description ------------ - -This ioctl selects which sub-stream is to be decoded if a program or -system stream is sent to the video device. If no audio stream type is -set the id has to be in [0xC0,0xDF] for MPEG sound, in [0x80,0x87] for -AC3 and in [0xA0,0xA7] for LPCM. More specifications may follow for -other stream types. If the stream type is set the id just specifies the -substream id of the audio stream and only the first 5 bits are -recognized. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-set-mixer.rst b/Documentation/userspace-api/media/dvb/audio-set-mixer.rst deleted file mode 100644 index 45dbdf4801e0..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-set-mixer.rst +++ /dev/null @@ -1,53 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_SET_MIXER: - -=============== -AUDIO_SET_MIXER -=============== - -Name ----- - -AUDIO_SET_MIXER - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_SET_MIXER - -``int ioctl(int fd, AUDIO_SET_MIXER, struct audio_mixer *mix)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - audio_mixer_t \*mix - - - mixer settings. - -Description ------------ - -This ioctl lets you adjust the mixer settings of the audio decoder. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-set-mute.rst b/Documentation/userspace-api/media/dvb/audio-set-mute.rst deleted file mode 100644 index 987751f92967..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-set-mute.rst +++ /dev/null @@ -1,62 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_SET_MUTE: - -============== -AUDIO_SET_MUTE -============== - -Name ----- - -AUDIO_SET_MUTE - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_SET_MUTE - -``int ioctl(int fd, AUDIO_SET_MUTE, boolean state)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - boolean state - - - Indicates if audio device shall mute or not. - - TRUE: Audio Mute - - FALSE: Audio Un-mute - -Description ------------ - -This ioctl is for Digital TV devices only. To control a V4L2 decoder use the -V4L2 :ref:`VIDIOC_DECODER_CMD` with the -``V4L2_DEC_CMD_START_MUTE_AUDIO`` flag instead. - -This ioctl call asks the audio device to mute the stream that is -currently being played. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio-set-streamtype.rst b/Documentation/userspace-api/media/dvb/audio-set-streamtype.rst deleted file mode 100644 index 77d73c74882f..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-set-streamtype.rst +++ /dev/null @@ -1,66 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_SET_STREAMTYPE: - -==================== -AUDIO_SET_STREAMTYPE -==================== - -Name ----- - -AUDIO_SET_STREAMTYPE - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_SET_STREAMTYPE - -``int ioctl(fd, AUDIO_SET_STREAMTYPE, int type)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - - - - int fd - - - File descriptor returned by a previous call to open(). - - - - - - int type - - - stream type - -Description ------------ - -This ioctl tells the driver which kind of audio stream to expect. This -is useful if the stream offers several audio sub-streams like LPCM and -AC3. - -Return Value ------------- - -On 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 <gen-errors>` chapter. - - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``EINVAL`` - - - type is not a valid or supported stream type. diff --git a/Documentation/userspace-api/media/dvb/audio-stop.rst b/Documentation/userspace-api/media/dvb/audio-stop.rst deleted file mode 100644 index d77f786fd797..000000000000 --- a/Documentation/userspace-api/media/dvb/audio-stop.rst +++ /dev/null @@ -1,48 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.audio - -.. _AUDIO_STOP: - -========== -AUDIO_STOP -========== - -Name ----- - -AUDIO_STOP - -.. attention:: This ioctl is deprecated - -Synopsis --------- - -.. c:macro:: AUDIO_STOP - -``int ioctl(int fd, AUDIO_STOP)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - -Description ------------ - -This ioctl call asks the Audio Device to stop playing the current -stream. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/audio.rst b/Documentation/userspace-api/media/dvb/audio.rst deleted file mode 100644 index eaae5675a47d..000000000000 --- a/Documentation/userspace-api/media/dvb/audio.rst +++ /dev/null @@ -1,27 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later - -.. _dvb_audio: - -####################### -Digital TV Audio Device -####################### - -The Digital TV audio device controls the MPEG2 audio decoder of the Digital -TV hardware. It can be accessed through ``/dev/dvb/adapter?/audio?``. Data -types and ioctl definitions can be accessed by including -``linux/dvb/audio.h`` in your application. - -Please note that some Digital TV cards don’t have their own MPEG decoder, which -results in the omission of the audio and video device. - -These ioctls were also used by V4L2 to control MPEG decoders implemented -in V4L2. The use of these ioctls for that purpose has been made obsolete -and proper V4L2 ioctls or controls have been created to replace that -functionality. - - -.. toctree:: - :maxdepth: 1 - - audio_data_types - audio_function_calls diff --git a/Documentation/userspace-api/media/dvb/audio_data_types.rst b/Documentation/userspace-api/media/dvb/audio_data_types.rst deleted file mode 100644 index 4744529136a8..000000000000 --- a/Documentation/userspace-api/media/dvb/audio_data_types.rst +++ /dev/null @@ -1,116 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later - -.. _audio_data_types: - -**************** -Audio Data Types -**************** - -This section describes the structures, data types and defines used when -talking to the audio device. - -.. c:type:: audio_stream_source - -The audio stream source is set through the AUDIO_SELECT_SOURCE call -and can take the following values, depending on whether we are replaying -from an internal (demux) or external (user write) source. - - -.. code-block:: c - - typedef enum { - AUDIO_SOURCE_DEMUX, - AUDIO_SOURCE_MEMORY - } audio_stream_source_t; - -AUDIO_SOURCE_DEMUX selects the demultiplexer (fed either by the -frontend or the DVR device) as the source of the video stream. If -AUDIO_SOURCE_MEMORY is selected the stream comes from the application -through the ``write()`` system call. - - -.. c:type:: audio_play_state - -The following values can be returned by the AUDIO_GET_STATUS call -representing the state of audio playback. - - -.. code-block:: c - - typedef enum { - AUDIO_STOPPED, - AUDIO_PLAYING, - AUDIO_PAUSED - } audio_play_state_t; - - -.. c:type:: audio_channel_select - -The audio channel selected via AUDIO_CHANNEL_SELECT is determined by -the following values. - - -.. code-block:: c - - typedef enum { - AUDIO_STEREO, - AUDIO_MONO_LEFT, - AUDIO_MONO_RIGHT, - AUDIO_MONO, - AUDIO_STEREO_SWAPPED - } audio_channel_select_t; - - -.. c:type:: audio_status - -The AUDIO_GET_STATUS call returns the following structure informing -about various states of the playback operation. - - -.. code-block:: c - - typedef struct audio_status { - boolean AV_sync_state; - boolean mute_state; - audio_play_state_t play_state; - audio_stream_source_t stream_source; - audio_channel_select_t channel_select; - boolean bypass_mode; - audio_mixer_t mixer_state; - } audio_status_t; - - -.. c:type:: audio_mixer - -The following structure is used by the AUDIO_SET_MIXER call to set the -audio volume. - - -.. code-block:: c - - typedef struct audio_mixer { - unsigned int volume_left; - unsigned int volume_right; - } audio_mixer_t; - - -.. _audio_encodings: - -audio encodings -=============== - -A call to AUDIO_GET_CAPABILITIES returns an unsigned integer with the -following bits set according to the hardwares capabilities. - - -.. code-block:: c - - #define AUDIO_CAP_DTS 1 - #define AUDIO_CAP_LPCM 2 - #define AUDIO_CAP_MP1 4 - #define AUDIO_CAP_MP2 8 - #define AUDIO_CAP_MP3 16 - #define AUDIO_CAP_AAC 32 - #define AUDIO_CAP_OGG 64 - #define AUDIO_CAP_SDDS 128 - #define AUDIO_CAP_AC3 256 diff --git a/Documentation/userspace-api/media/dvb/audio_function_calls.rst b/Documentation/userspace-api/media/dvb/audio_function_calls.rst deleted file mode 100644 index fa5ba9539caf..000000000000 --- a/Documentation/userspace-api/media/dvb/audio_function_calls.rst +++ /dev/null @@ -1,30 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later - -.. _audio_function_calls: - -******************** -Audio Function Calls -******************** - -.. toctree:: - :maxdepth: 1 - - audio-fopen - audio-fclose - audio-fwrite - audio-stop - audio-play - audio-pause - audio-continue - audio-select-source - audio-set-mute - audio-set-av-sync - audio-set-bypass-mode - audio-channel-select - audio-bilingual-channel-select - audio-get-status - audio-get-capabilities - audio-clear-buffer - audio-set-id - audio-set-mixer - audio-set-streamtype diff --git a/Documentation/userspace-api/media/dvb/dmx-fopen.rst b/Documentation/userspace-api/media/dvb/dmx-fopen.rst index 8f0a2b831d4a..50b36eb4371e 100644 --- a/Documentation/userspace-api/media/dvb/dmx-fopen.rst +++ b/Documentation/userspace-api/media/dvb/dmx-fopen.rst @@ -82,7 +82,7 @@ appropriately. :widths: 1 16 - - ``EMFILE`` - - “Too many open files”, i.e. no more filters available. + - "Too many open files", i.e. no more filters available. The generic error codes are described at the :ref:`Generic Error Codes <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/dmx-fread.rst b/Documentation/userspace-api/media/dvb/dmx-fread.rst index 78e9daef595a..88c4cddf7c30 100644 --- a/Documentation/userspace-api/media/dvb/dmx-fread.rst +++ b/Documentation/userspace-api/media/dvb/dmx-fread.rst @@ -34,7 +34,7 @@ Description This system call returns filtered data, which might be section or Packetized Elementary Stream (PES) data. The filtered data is transferred from -the driver’s internal circular buffer to ``buf``. The maximum amount of data +the driver's internal circular buffer to ``buf``. The maximum amount of data to be transferred is implied by count. .. note:: diff --git a/Documentation/userspace-api/media/dvb/dmx-set-filter.rst b/Documentation/userspace-api/media/dvb/dmx-set-filter.rst index f43455b7adae..1b8c8071b14f 100644 --- a/Documentation/userspace-api/media/dvb/dmx-set-filter.rst +++ b/Documentation/userspace-api/media/dvb/dmx-set-filter.rst @@ -37,7 +37,7 @@ parameters provided. A timeout may be defined stating number of seconds to wait for a section to be loaded. A value of 0 means that no timeout should be applied. Finally there is a flag field where it is possible to state whether a section should be CRC-checked, whether the filter should -be a ”one-shot” filter, i.e. if the filtering operation should be +be a "one-shot" filter, i.e. if the filtering operation should be stopped after the first section is received, and whether the filtering operation should be started immediately (without waiting for a :ref:`DMX_START` ioctl call). If a filter was previously set-up, this diff --git a/Documentation/userspace-api/media/dvb/headers.rst b/Documentation/userspace-api/media/dvb/headers.rst index 9743ffc35096..88c3eb33a89e 100644 --- a/Documentation/userspace-api/media/dvb/headers.rst +++ b/Documentation/userspace-api/media/dvb/headers.rst @@ -14,10 +14,3 @@ Digital TV uAPI headers .. kernel-include:: $BUILDDIR/ca.h.rst .. kernel-include:: $BUILDDIR/net.h.rst - -Legacy uAPI -*********** - -.. kernel-include:: $BUILDDIR/audio.h.rst - -.. kernel-include:: $BUILDDIR/video.h.rst diff --git a/Documentation/userspace-api/media/dvb/intro.rst b/Documentation/userspace-api/media/dvb/intro.rst index a935f3914e56..6784ae79657c 100644 --- a/Documentation/userspace-api/media/dvb/intro.rst +++ b/Documentation/userspace-api/media/dvb/intro.rst @@ -107,7 +107,7 @@ Audio and video decoder a Systems on a Chip (SoC) integrated circuit. It may also not be needed for certain usages (e.g. for data-only - uses like “internet over satellite”). + uses like "internet over satellite"). :ref:`stb_components` shows a crude schematic of the control and data flow between those components. @@ -148,9 +148,9 @@ individual devices are called: - ``/dev/dvb/adapterN/caM``, -where ``N`` enumerates the Digital TV cards in a system starting from 0, and +where ``N`` enumerates the Digital TV cards in a system starting from 0, and ``M`` enumerates the devices of each type within each adapter, starting -from 0, too. We will omit the “``/dev/dvb/adapterN/``\ ” in the further +from 0, too. We will omit the "``/dev/dvb/adapterN/``\ " in the further discussion of these devices. More details about the data structures and function calls of all the diff --git a/Documentation/userspace-api/media/dvb/legacy_dvb_apis.rst b/Documentation/userspace-api/media/dvb/legacy_dvb_apis.rst index 6104879d728a..b97d56ee543c 100644 --- a/Documentation/userspace-api/media/dvb/legacy_dvb_apis.rst +++ b/Documentation/userspace-api/media/dvb/legacy_dvb_apis.rst @@ -11,11 +11,6 @@ The APIs described here **should not** be used on new drivers or applications. The DVBv3 frontend API has issues with new delivery systems, including DVB-S2, DVB-T2, ISDB, etc. -There's just one driver for a very legacy hardware using the Digital TV -audio and video APIs. No modern drivers should use it. Instead, audio and -video should be using the V4L2 and ALSA APIs, and the pipelines should -be set via the Media Controller API. - .. attention:: The APIs described here doesn't necessarily reflect the current @@ -28,5 +23,3 @@ be set via the Media Controller API. :maxdepth: 1 frontend_legacy_dvbv3_api - video - audio diff --git a/Documentation/userspace-api/media/dvb/video-clear-buffer.rst b/Documentation/userspace-api/media/dvb/video-clear-buffer.rst deleted file mode 100644 index a7730559bbb2..000000000000 --- a/Documentation/userspace-api/media/dvb/video-clear-buffer.rst +++ /dev/null @@ -1,54 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_CLEAR_BUFFER: - -================== -VIDEO_CLEAR_BUFFER -================== - -Name ----- - -VIDEO_CLEAR_BUFFER - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_CLEAR_BUFFER - -``int ioctl(fd, VIDEO_CLEAR_BUFFER)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_CLEAR_BUFFER for this command. - -Description ------------ - -This ioctl call clears all video buffers in the driver and in the -decoder hardware. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-command.rst b/Documentation/userspace-api/media/dvb/video-command.rst deleted file mode 100644 index cae9445eb3af..000000000000 --- a/Documentation/userspace-api/media/dvb/video-command.rst +++ /dev/null @@ -1,96 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_COMMAND: - -============= -VIDEO_COMMAND -============= - -Name ----- - -VIDEO_COMMAND - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_COMMAND - -``int ioctl(int fd, VIDEO_COMMAND, struct video_command *cmd)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_COMMAND for this command. - - - .. row 3 - - - struct video_command \*cmd - - - Commands the decoder. - -Description ------------ - -This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders -this ioctl has been replaced by the -:ref:`VIDIOC_DECODER_CMD` ioctl. - -This ioctl commands the decoder. The ``video_command`` struct is a -subset of the ``v4l2_decoder_cmd`` struct, so refer to the -:ref:`VIDIOC_DECODER_CMD` documentation for -more information. - -.. c:type:: video_command - -.. code-block:: c - - /* The structure must be zeroed before use by the application - This ensures it can be extended safely in the future. */ - struct video_command { - __u32 cmd; - __u32 flags; - union { - struct { - __u64 pts; - } stop; - - struct { - /* 0 or 1000 specifies normal speed, - 1 specifies forward single stepping, - -1 specifies backward single stepping, - >1: playback at speed/1000 of the normal speed, - <-1: reverse playback at (-speed/1000) of the normal speed. */ - __s32 speed; - __u32 format; - } play; - - struct { - __u32 data[16]; - } raw; - }; - }; - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-continue.rst b/Documentation/userspace-api/media/dvb/video-continue.rst deleted file mode 100644 index bc34bf3989e4..000000000000 --- a/Documentation/userspace-api/media/dvb/video-continue.rst +++ /dev/null @@ -1,57 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_CONTINUE: - -============== -VIDEO_CONTINUE -============== - -Name ----- - -VIDEO_CONTINUE - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_CONTINUE - -``int ioctl(fd, VIDEO_CONTINUE)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_CONTINUE for this command. - -Description ------------ - -This ioctl is for Digital TV devices only. To control a V4L2 decoder use the -V4L2 :ref:`VIDIOC_DECODER_CMD` instead. - -This ioctl call restarts decoding and playing processes of the video -stream which was played before a call to VIDEO_FREEZE was made. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-fast-forward.rst b/Documentation/userspace-api/media/dvb/video-fast-forward.rst deleted file mode 100644 index e71fa8d6965b..000000000000 --- a/Documentation/userspace-api/media/dvb/video-fast-forward.rst +++ /dev/null @@ -1,72 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_FAST_FORWARD: - -================== -VIDEO_FAST_FORWARD -================== - -Name ----- - -VIDEO_FAST_FORWARD - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_FAST_FORWARD - -``int ioctl(fd, VIDEO_FAST_FORWARD, int nFrames)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_FAST_FORWARD for this command. - - - .. row 3 - - - int nFrames - - - The number of frames to skip. - -Description ------------ - -This ioctl call asks the Video Device to skip decoding of N number of -I-frames. This call can only be used if VIDEO_SOURCE_MEMORY is -selected. - -Return Value ------------- - -On 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 <gen-errors>` chapter. - - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``EPERM`` - - - Mode VIDEO_SOURCE_MEMORY not selected. diff --git a/Documentation/userspace-api/media/dvb/video-fclose.rst b/Documentation/userspace-api/media/dvb/video-fclose.rst deleted file mode 100644 index 01d24d548439..000000000000 --- a/Documentation/userspace-api/media/dvb/video-fclose.rst +++ /dev/null @@ -1,51 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _video_fclose: - -================= -dvb video close() -================= - -Name ----- - -dvb video close() - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:function:: int close(int fd) - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - -Description ------------ - -This system call closes a previously opened video device. - -Return Value ------------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``EBADF`` - - - fd is not a valid open file descriptor. diff --git a/Documentation/userspace-api/media/dvb/video-fopen.rst b/Documentation/userspace-api/media/dvb/video-fopen.rst deleted file mode 100644 index 1371b083e4e8..000000000000 --- a/Documentation/userspace-api/media/dvb/video-fopen.rst +++ /dev/null @@ -1,111 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _video_fopen: - -================ -dvb video open() -================ - -Name ----- - -dvb video open() - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:function:: int open(const char *deviceName, int flags) - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - const char \*deviceName - - - Name of specific video device. - - - .. row 2 - - - int flags - - - A bit-wise OR of the following flags: - - - .. row 3 - - - - - O_RDONLY read-only access - - - .. row 4 - - - - - O_RDWR read/write access - - - .. row 5 - - - - - O_NONBLOCK open in non-blocking mode - - - .. row 6 - - - - - (blocking mode is the default) - -Description ------------ - -This system call opens a named video device (e.g. -/dev/dvb/adapter0/video0) for subsequent use. - -When an open() call has succeeded, the device will be ready for use. The -significance of blocking or non-blocking mode is described in the -documentation for functions where there is a difference. It does not -affect the semantics of the open() call itself. A device opened in -blocking mode can later be put into non-blocking mode (and vice versa) -using the F_SETFL command of the fcntl system call. This is a standard -system call, documented in the Linux manual page for fcntl. Only one -user can open the Video Device in O_RDWR mode. All other attempts to -open the device in this mode will fail, and an error-code will be -returned. If the Video Device is opened in O_RDONLY mode, the only -ioctl call that can be used is VIDEO_GET_STATUS. All other call will -return an error code. - -Return Value ------------- - -.. tabularcolumns:: |p{2.5cm}|p{15.0cm}| - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``ENODEV`` - - - Device driver not loaded/available. - - - .. row 2 - - - ``EINTERNAL`` - - - Internal error. - - - .. row 3 - - - ``EBUSY`` - - - Device or resource busy. - - - .. row 4 - - - ``EINVAL`` - - - Invalid argument. diff --git a/Documentation/userspace-api/media/dvb/video-freeze.rst b/Documentation/userspace-api/media/dvb/video-freeze.rst deleted file mode 100644 index 4321f257cb70..000000000000 --- a/Documentation/userspace-api/media/dvb/video-freeze.rst +++ /dev/null @@ -1,61 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_FREEZE: - -============ -VIDEO_FREEZE -============ - -Name ----- - -VIDEO_FREEZE - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_FREEZE - -``int ioctl(fd, VIDEO_FREEZE)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_FREEZE for this command. - -Description ------------ - -This ioctl is for Digital TV devices only. To control a V4L2 decoder use the -V4L2 :ref:`VIDIOC_DECODER_CMD` instead. - -This ioctl call suspends the live video stream being played. Decoding -and playing are frozen. It is then possible to restart the decoding and -playing process of the video stream using the VIDEO_CONTINUE command. -If VIDEO_SOURCE_MEMORY is selected in the ioctl call -VIDEO_SELECT_SOURCE, the Digital TV subsystem will not decode any more data -until the ioctl call VIDEO_CONTINUE or VIDEO_PLAY is performed. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-fwrite.rst b/Documentation/userspace-api/media/dvb/video-fwrite.rst deleted file mode 100644 index a07fd7d7a40e..000000000000 --- a/Documentation/userspace-api/media/dvb/video-fwrite.rst +++ /dev/null @@ -1,79 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _video_fwrite: - -================= -dvb video write() -================= - -Name ----- - -dvb video write() - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:function:: size_t write(int fd, const void *buf, size_t count) - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - void \*buf - - - Pointer to the buffer containing the PES data. - - - .. row 3 - - - size_t count - - - Size of buf. - -Description ------------ - -This system call can only be used if VIDEO_SOURCE_MEMORY is selected -in the ioctl call VIDEO_SELECT_SOURCE. The data provided shall be in -PES format, unless the capability allows other formats. If O_NONBLOCK -is not specified the function will block until buffer space is -available. The amount of data to be transferred is implied by count. - -Return Value ------------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``EPERM`` - - - Mode VIDEO_SOURCE_MEMORY not selected. - - - .. row 2 - - - ``ENOMEM`` - - - Attempted to write more data than the internal buffer can hold. - - - .. row 3 - - - ``EBADF`` - - - fd is not a valid open file descriptor. diff --git a/Documentation/userspace-api/media/dvb/video-get-capabilities.rst b/Documentation/userspace-api/media/dvb/video-get-capabilities.rst deleted file mode 100644 index 01e09f56656c..000000000000 --- a/Documentation/userspace-api/media/dvb/video-get-capabilities.rst +++ /dev/null @@ -1,61 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_GET_CAPABILITIES: - -====================== -VIDEO_GET_CAPABILITIES -====================== - -Name ----- - -VIDEO_GET_CAPABILITIES - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_GET_CAPABILITIES - -``int ioctl(fd, VIDEO_GET_CAPABILITIES, unsigned int *cap)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_GET_CAPABILITIES for this command. - - - .. row 3 - - - unsigned int \*cap - - - Pointer to a location where to store the capability information. - -Description ------------ - -This ioctl call asks the video device about its decoding capabilities. -On success it returns and integer which has bits set according to the -defines in section ??. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-get-event.rst b/Documentation/userspace-api/media/dvb/video-get-event.rst deleted file mode 100644 index 90382bc36cfe..000000000000 --- a/Documentation/userspace-api/media/dvb/video-get-event.rst +++ /dev/null @@ -1,105 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_GET_EVENT: - -=============== -VIDEO_GET_EVENT -=============== - -Name ----- - -VIDEO_GET_EVENT - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_GET_EVENT - -``int ioctl(fd, VIDEO_GET_EVENT, struct video_event *ev)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_GET_EVENT for this command. - - - .. row 3 - - - struct video_event \*ev - - - Points to the location where the event, if any, is to be stored. - -Description ------------ - -This ioctl is for Digital TV devices only. To get events from a V4L2 decoder -use the V4L2 :ref:`VIDIOC_DQEVENT` ioctl instead. - -This ioctl call returns an event of type video_event if available. If -an event is not available, the behavior depends on whether the device is -in blocking or non-blocking mode. In the latter case, the call fails -immediately with errno set to ``EWOULDBLOCK``. In the former case, the call -blocks until an event becomes available. The standard Linux poll() -and/or select() system calls can be used with the device file descriptor -to watch for new events. For select(), the file descriptor should be -included in the exceptfds argument, and for poll(), POLLPRI should be -specified as the wake-up condition. Read-only permissions are sufficient -for this ioctl call. - -.. c:type:: video_event - -.. code-block:: c - - struct video_event { - __s32 type; - #define VIDEO_EVENT_SIZE_CHANGED 1 - #define VIDEO_EVENT_FRAME_RATE_CHANGED 2 - #define VIDEO_EVENT_DECODER_STOPPED 3 - #define VIDEO_EVENT_VSYNC 4 - long timestamp; - union { - video_size_t size; - unsigned int frame_rate; /* in frames per 1000sec */ - unsigned char vsync_field; /* unknown/odd/even/progressive */ - } u; - }; - -Return Value ------------- - -On 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 <gen-errors>` chapter. - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``EWOULDBLOCK`` - - - There is no event pending, and the device is in non-blocking mode. - - - .. row 2 - - - ``EOVERFLOW`` - - - Overflow in event queue - one or more events were lost. diff --git a/Documentation/userspace-api/media/dvb/video-get-frame-count.rst b/Documentation/userspace-api/media/dvb/video-get-frame-count.rst deleted file mode 100644 index b48ac8c58a41..000000000000 --- a/Documentation/userspace-api/media/dvb/video-get-frame-count.rst +++ /dev/null @@ -1,65 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_GET_FRAME_COUNT: - -===================== -VIDEO_GET_FRAME_COUNT -===================== - -Name ----- - -VIDEO_GET_FRAME_COUNT - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_GET_FRAME_COUNT - -``int ioctl(int fd, VIDEO_GET_FRAME_COUNT, __u64 *pts)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_GET_FRAME_COUNT for this command. - - - .. row 3 - - - __u64 \*pts - - - Returns the number of frames displayed since the decoder was - started. - -Description ------------ - -This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders -this ioctl has been replaced by the ``V4L2_CID_MPEG_VIDEO_DEC_FRAME`` -control. - -This ioctl call asks the Video Device to return the number of displayed -frames since the decoder was started. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-get-pts.rst b/Documentation/userspace-api/media/dvb/video-get-pts.rst deleted file mode 100644 index fedaff41be0b..000000000000 --- a/Documentation/userspace-api/media/dvb/video-get-pts.rst +++ /dev/null @@ -1,69 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_GET_PTS: - -============= -VIDEO_GET_PTS -============= - -Name ----- - -VIDEO_GET_PTS - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_GET_PTS - -``int ioctl(int fd, VIDEO_GET_PTS, __u64 *pts)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_GET_PTS for this command. - - - .. row 3 - - - __u64 \*pts - - - Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / - ISO/IEC 13818-1. - - The PTS should belong to the currently played frame if possible, - but may also be a value close to it like the PTS of the last - decoded frame or the last PTS extracted by the PES parser. - -Description ------------ - -This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders -this ioctl has been replaced by the ``V4L2_CID_MPEG_VIDEO_DEC_PTS`` -control. - -This ioctl call asks the Video Device to return the current PTS -timestamp. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-get-size.rst b/Documentation/userspace-api/media/dvb/video-get-size.rst deleted file mode 100644 index de34331c5bd1..000000000000 --- a/Documentation/userspace-api/media/dvb/video-get-size.rst +++ /dev/null @@ -1,69 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_GET_SIZE: - -============== -VIDEO_GET_SIZE -============== - -Name ----- - -VIDEO_GET_SIZE - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_GET_SIZE - -``int ioctl(int fd, VIDEO_GET_SIZE, video_size_t *size)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_GET_SIZE for this command. - - - .. row 3 - - - video_size_t \*size - - - Returns the size and aspect ratio. - -Description ------------ - -This ioctl returns the size and aspect ratio. - -.. c:type:: video_size_t - -.. code-block::c - - typedef struct { - int w; - int h; - video_format_t aspect_ratio; - } video_size_t; - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-get-status.rst b/Documentation/userspace-api/media/dvb/video-get-status.rst deleted file mode 100644 index 9b86fbf411d4..000000000000 --- a/Documentation/userspace-api/media/dvb/video-get-status.rst +++ /dev/null @@ -1,72 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_GET_STATUS: - -================ -VIDEO_GET_STATUS -================ - -Name ----- - -VIDEO_GET_STATUS - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_GET_STATUS - -``int ioctl(fd, VIDEO_GET_STATUS, struct video_status *status)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_GET_STATUS for this command. - - - .. row 3 - - - struct video_status \*status - - - Returns the current status of the Video Device. - -Description ------------ - -This ioctl call asks the Video Device to return the current status of -the device. - -.. c:type:: video_status - -.. code-block:: c - - struct video_status { - int video_blank; /* blank video on freeze? */ - video_play_state_t play_state; /* current state of playback */ - video_stream_source_t stream_source; /* current source (demux/memory) */ - video_format_t video_format; /* current aspect ratio of stream*/ - video_displayformat_t display_format;/* selected cropping mode */ - }; - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-play.rst b/Documentation/userspace-api/media/dvb/video-play.rst deleted file mode 100644 index 35ac8b98fdbf..000000000000 --- a/Documentation/userspace-api/media/dvb/video-play.rst +++ /dev/null @@ -1,57 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_PLAY: - -========== -VIDEO_PLAY -========== - -Name ----- - -VIDEO_PLAY - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_PLAY - -``int ioctl(fd, VIDEO_PLAY)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_PLAY for this command. - -Description ------------ - -This ioctl is for Digital TV devices only. To control a V4L2 decoder use the -V4L2 :ref:`VIDIOC_DECODER_CMD` instead. - -This ioctl call asks the Video Device to start playing a video stream -from the selected source. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-select-source.rst b/Documentation/userspace-api/media/dvb/video-select-source.rst deleted file mode 100644 index 929a20985d53..000000000000 --- a/Documentation/userspace-api/media/dvb/video-select-source.rst +++ /dev/null @@ -1,76 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_SELECT_SOURCE: - -=================== -VIDEO_SELECT_SOURCE -=================== - -Name ----- - -VIDEO_SELECT_SOURCE - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_SELECT_SOURCE - -``int ioctl(fd, VIDEO_SELECT_SOURCE, video_stream_source_t source)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_SELECT_SOURCE for this command. - - - .. row 3 - - - video_stream_source_t source - - - Indicates which source shall be used for the Video stream. - -Description ------------ - -This ioctl is for Digital TV devices only. This ioctl was also supported by the -V4L2 ivtv driver, but that has been replaced by the ivtv-specific -``IVTV_IOC_PASSTHROUGH_MODE`` ioctl. - -This ioctl call informs the video device which source shall be used for -the input data. The possible sources are demux or memory. If memory is -selected, the data is fed to the video device through the write command. - -.. c:type:: video_stream_source_t - -.. code-block:: c - - typedef enum { - VIDEO_SOURCE_DEMUX, /* Select the demux as the main source */ - VIDEO_SOURCE_MEMORY /* If this source is selected, the stream - comes from the user through the write - system call */ - } video_stream_source_t; - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-set-blank.rst b/Documentation/userspace-api/media/dvb/video-set-blank.rst deleted file mode 100644 index 70249a6ba125..000000000000 --- a/Documentation/userspace-api/media/dvb/video-set-blank.rst +++ /dev/null @@ -1,64 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_SET_BLANK: - -=============== -VIDEO_SET_BLANK -=============== - -Name ----- - -VIDEO_SET_BLANK - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_SET_BLANK - -``int ioctl(fd, VIDEO_SET_BLANK, boolean mode)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_SET_BLANK for this command. - - - .. row 3 - - - boolean mode - - - TRUE: Blank screen when stop. - - - .. row 4 - - - - - FALSE: Show last decoded frame. - -Description ------------ - -This ioctl call asks the Video Device to blank out the picture. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-set-display-format.rst b/Documentation/userspace-api/media/dvb/video-set-display-format.rst deleted file mode 100644 index 1de4f40ae732..000000000000 --- a/Documentation/userspace-api/media/dvb/video-set-display-format.rst +++ /dev/null @@ -1,60 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_SET_DISPLAY_FORMAT: - -======================== -VIDEO_SET_DISPLAY_FORMAT -======================== - -Name ----- - -VIDEO_SET_DISPLAY_FORMAT - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_SET_DISPLAY_FORMAT - -``int ioctl(fd, VIDEO_SET_DISPLAY_FORMAT)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_SET_DISPLAY_FORMAT for this command. - - - .. row 3 - - - video_display_format_t format - - - Selects the video format to be used. - -Description ------------ - -This ioctl call asks the Video Device to select the video format to be -applied by the MPEG chip on the video. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-set-format.rst b/Documentation/userspace-api/media/dvb/video-set-format.rst deleted file mode 100644 index bb64e37ae081..000000000000 --- a/Documentation/userspace-api/media/dvb/video-set-format.rst +++ /dev/null @@ -1,82 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_SET_FORMAT: - -================ -VIDEO_SET_FORMAT -================ - -Name ----- - -VIDEO_SET_FORMAT - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_SET_FORMAT - -``int ioctl(fd, VIDEO_SET_FORMAT, video_format_t format)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_SET_FORMAT for this command. - - - .. row 3 - - - video_format_t format - - - video format of TV as defined in section ??. - -Description ------------ - -This ioctl sets the screen format (aspect ratio) of the connected output -device (TV) so that the output of the decoder can be adjusted -accordingly. - -.. c:type:: video_format_t - -.. code-block:: c - - typedef enum { - VIDEO_FORMAT_4_3, /* Select 4:3 format */ - VIDEO_FORMAT_16_9, /* Select 16:9 format. */ - VIDEO_FORMAT_221_1 /* 2.21:1 */ - } video_format_t; - -Return Value ------------- - -On 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 <gen-errors>` chapter. - - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``EINVAL`` - - - format is not a valid video format. diff --git a/Documentation/userspace-api/media/dvb/video-set-streamtype.rst b/Documentation/userspace-api/media/dvb/video-set-streamtype.rst deleted file mode 100644 index 1f31c048bdbc..000000000000 --- a/Documentation/userspace-api/media/dvb/video-set-streamtype.rst +++ /dev/null @@ -1,61 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_SET_STREAMTYPE: - -==================== -VIDEO_SET_STREAMTYPE -==================== - -Name ----- - -VIDEO_SET_STREAMTYPE - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_SET_STREAMTYPE - -``int ioctl(fd, VIDEO_SET_STREAMTYPE, int type)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_SET_STREAMTYPE for this command. - - - .. row 3 - - - int type - - - stream type - -Description ------------ - -This ioctl tells the driver which kind of stream to expect being written -to it. If this call is not used the default of video PES is used. Some -drivers might not support this call and always expect PES. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-slowmotion.rst b/Documentation/userspace-api/media/dvb/video-slowmotion.rst deleted file mode 100644 index 1478fcc30cb8..000000000000 --- a/Documentation/userspace-api/media/dvb/video-slowmotion.rst +++ /dev/null @@ -1,72 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_SLOWMOTION: - -================ -VIDEO_SLOWMOTION -================ - -Name ----- - -VIDEO_SLOWMOTION - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_SLOWMOTION - -``int ioctl(fd, VIDEO_SLOWMOTION, int nFrames)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_SLOWMOTION for this command. - - - .. row 3 - - - int nFrames - - - The number of times to repeat each frame. - -Description ------------ - -This ioctl call asks the video device to repeat decoding frames N number -of times. This call can only be used if VIDEO_SOURCE_MEMORY is -selected. - -Return Value ------------- - -On 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 <gen-errors>` chapter. - - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - ``EPERM`` - - - Mode VIDEO_SOURCE_MEMORY not selected. diff --git a/Documentation/userspace-api/media/dvb/video-stillpicture.rst b/Documentation/userspace-api/media/dvb/video-stillpicture.rst deleted file mode 100644 index d25384222a20..000000000000 --- a/Documentation/userspace-api/media/dvb/video-stillpicture.rst +++ /dev/null @@ -1,61 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_STILLPICTURE: - -================== -VIDEO_STILLPICTURE -================== - -Name ----- - -VIDEO_STILLPICTURE - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_STILLPICTURE - -``int ioctl(fd, VIDEO_STILLPICTURE, struct video_still_picture *sp)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_STILLPICTURE for this command. - - - .. row 3 - - - struct video_still_picture \*sp - - - Pointer to a location where an I-frame and size is stored. - -Description ------------ - -This ioctl call asks the Video Device to display a still picture -(I-frame). The input data shall contain an I-frame. If the pointer is -NULL, then the current displayed still picture is blanked. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-stop.rst b/Documentation/userspace-api/media/dvb/video-stop.rst deleted file mode 100644 index 96f61c5b48a2..000000000000 --- a/Documentation/userspace-api/media/dvb/video-stop.rst +++ /dev/null @@ -1,74 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_STOP: - -========== -VIDEO_STOP -========== - -Name ----- - -VIDEO_STOP - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_STOP - -``int ioctl(fd, VIDEO_STOP, boolean mode)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_STOP for this command. - - - .. row 3 - - - Boolean mode - - - Indicates how the screen shall be handled. - - - .. row 4 - - - - - TRUE: Blank screen when stop. - - - .. row 5 - - - - - FALSE: Show last decoded frame. - -Description ------------ - -This ioctl is for Digital TV devices only. To control a V4L2 decoder use the -V4L2 :ref:`VIDIOC_DECODER_CMD` instead. - -This ioctl call asks the Video Device to stop playing the current -stream. Depending on the input parameter, the screen can be blanked out -or displaying the last decoded frame. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video-try-command.rst b/Documentation/userspace-api/media/dvb/video-try-command.rst deleted file mode 100644 index 79bf3dfb8a32..000000000000 --- a/Documentation/userspace-api/media/dvb/video-try-command.rst +++ /dev/null @@ -1,66 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later -.. c:namespace:: DTV.video - -.. _VIDEO_TRY_COMMAND: - -================= -VIDEO_TRY_COMMAND -================= - -Name ----- - -VIDEO_TRY_COMMAND - -.. attention:: This ioctl is deprecated. - -Synopsis --------- - -.. c:macro:: VIDEO_TRY_COMMAND - -``int ioctl(int fd, VIDEO_TRY_COMMAND, struct video_command *cmd)`` - -Arguments ---------- - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - - - .. row 1 - - - int fd - - - File descriptor returned by a previous call to open(). - - - .. row 2 - - - int request - - - Equals VIDEO_TRY_COMMAND for this command. - - - .. row 3 - - - struct video_command \*cmd - - - Try a decoder command. - -Description ------------ - -This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders -this ioctl has been replaced by the -:ref:`VIDIOC_TRY_DECODER_CMD <VIDIOC_DECODER_CMD>` ioctl. - -This ioctl tries a decoder command. The ``video_command`` struct is a -subset of the ``v4l2_decoder_cmd`` struct, so refer to the -:ref:`VIDIOC_TRY_DECODER_CMD <VIDIOC_DECODER_CMD>` documentation -for more information. - -Return Value ------------- - -On 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 <gen-errors>` chapter. diff --git a/Documentation/userspace-api/media/dvb/video.rst b/Documentation/userspace-api/media/dvb/video.rst deleted file mode 100644 index 38a8d39a1d25..000000000000 --- a/Documentation/userspace-api/media/dvb/video.rst +++ /dev/null @@ -1,36 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later - -.. _dvb_video: - -####################### -Digital TV Video Device -####################### - -The Digital TV video device controls the MPEG2 video decoder of the Digital -TV hardware. It can be accessed through **/dev/dvb/adapter0/video0**. Data -types and ioctl definitions can be accessed by including -**linux/dvb/video.h** in your application. - -Note that the Digital TV video device only controls decoding of the MPEG video -stream, not its presentation on the TV or computer screen. On PCs this -is typically handled by an associated video4linux device, e.g. -**/dev/video**, which allows scaling and defining output windows. - -Some Digital TV cards don’t have their own MPEG decoder, which results in the -omission of the audio and video device as well as the video4linux -device. - -The ioctls that deal with SPUs (sub picture units) and navigation -packets are only supported on some MPEG decoders made for DVD playback. - -These ioctls were also used by V4L2 to control MPEG decoders implemented -in V4L2. The use of these ioctls for that purpose has been made obsolete -and proper V4L2 ioctls or controls have been created to replace that -functionality. - - -.. toctree:: - :maxdepth: 1 - - video_types - video_function_calls diff --git a/Documentation/userspace-api/media/dvb/video_function_calls.rst b/Documentation/userspace-api/media/dvb/video_function_calls.rst deleted file mode 100644 index 20a897be5dca..000000000000 --- a/Documentation/userspace-api/media/dvb/video_function_calls.rst +++ /dev/null @@ -1,35 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later - -.. _video_function_calls: - -******************** -Video Function Calls -******************** - -.. toctree:: - :maxdepth: 1 - - video-fopen - video-fclose - video-fwrite - video-stop - video-play - video-freeze - video-continue - video-select-source - video-set-blank - video-get-status - video-get-frame-count - video-get-pts - video-get-event - video-command - video-try-command - video-get-size - video-set-display-format - video-stillpicture - video-fast-forward - video-slowmotion - video-get-capabilities - video-clear-buffer - video-set-streamtype - video-set-format diff --git a/Documentation/userspace-api/media/dvb/video_types.rst b/Documentation/userspace-api/media/dvb/video_types.rst deleted file mode 100644 index c4557d328b7a..000000000000 --- a/Documentation/userspace-api/media/dvb/video_types.rst +++ /dev/null @@ -1,248 +0,0 @@ -.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later - -.. _video_types: - -**************** -Video Data Types -**************** - - -.. _video-format-t: - -video_format_t -============== - -The ``video_format_t`` data type defined by - - -.. code-block:: c - - typedef enum { - VIDEO_FORMAT_4_3, /* Select 4:3 format */ - VIDEO_FORMAT_16_9, /* Select 16:9 format. */ - VIDEO_FORMAT_221_1 /* 2.21:1 */ - } video_format_t; - -is used in the VIDEO_SET_FORMAT function (??) to tell the driver which -aspect ratio the output hardware (e.g. TV) has. It is also used in the -data structures video_status (??) returned by VIDEO_GET_STATUS (??) -and video_event (??) returned by VIDEO_GET_EVENT (??) which report -about the display format of the current video stream. - - -.. _video-displayformat-t: - -video_displayformat_t -===================== - -In case the display format of the video stream and of the display -hardware differ the application has to specify how to handle the -cropping of the picture. This can be done using the -VIDEO_SET_DISPLAY_FORMAT call (??) which accepts - - -.. code-block:: c - - typedef enum { - VIDEO_PAN_SCAN, /* use pan and scan format */ - VIDEO_LETTER_BOX, /* use letterbox format */ - VIDEO_CENTER_CUT_OUT /* use center cut out format */ - } video_displayformat_t; - -as argument. - - -.. _video-stream-source-t: - -video_stream_source_t -===================== - -The video stream source is set through the VIDEO_SELECT_SOURCE call -and can take the following values, depending on whether we are replaying -from an internal (demuxer) or external (user write) source. - - -.. code-block:: c - - typedef enum { - VIDEO_SOURCE_DEMUX, /* Select the demux as the main source */ - VIDEO_SOURCE_MEMORY /* If this source is selected, the stream - comes from the user through the write - system call */ - } video_stream_source_t; - -VIDEO_SOURCE_DEMUX selects the demultiplexer (fed either by the -frontend or the DVR device) as the source of the video stream. If -VIDEO_SOURCE_MEMORY is selected the stream comes from the application -through the **write()** system call. - - -.. _video-play-state-t: - -video_play_state_t -================== - -The following values can be returned by the VIDEO_GET_STATUS call -representing the state of video playback. - - -.. code-block:: c - - typedef enum { - VIDEO_STOPPED, /* Video is stopped */ - VIDEO_PLAYING, /* Video is currently playing */ - VIDEO_FREEZED /* Video is freezed */ - } video_play_state_t; - - -.. c:type:: video_command - -struct video_command -==================== - -The structure must be zeroed before use by the application This ensures -it can be extended safely in the future. - - -.. code-block:: c - - struct video_command { - __u32 cmd; - __u32 flags; - union { - struct { - __u64 pts; - } stop; - - struct { - /* 0 or 1000 specifies normal speed, - 1 specifies forward single stepping, - -1 specifies backward single stepping, - >>1: playback at speed/1000 of the normal speed, - <-1: reverse playback at (-speed/1000) of the normal speed. */ - __s32 speed; - __u32 format; - } play; - - struct { - __u32 data[16]; - } raw; - }; - }; - - -.. _video-size-t: - -video_size_t -============ - - -.. code-block:: c - - typedef struct { - int w; - int h; - video_format_t aspect_ratio; - } video_size_t; - - -.. c:type:: video_event - -struct video_event -================== - -The following is the structure of a video event as it is returned by the -VIDEO_GET_EVENT call. - - -.. code-block:: c - - struct video_event { - __s32 type; - #define VIDEO_EVENT_SIZE_CHANGED 1 - #define VIDEO_EVENT_FRAME_RATE_CHANGED 2 - #define VIDEO_EVENT_DECODER_STOPPED 3 - #define VIDEO_EVENT_VSYNC 4 - long timestamp; - union { - video_size_t size; - unsigned int frame_rate; /* in frames per 1000sec */ - unsigned char vsync_field; /* unknown/odd/even/progressive */ - } u; - }; - - -.. c:type:: video_status - -struct video_status -=================== - -The VIDEO_GET_STATUS call returns the following structure informing -about various states of the playback operation. - - -.. code-block:: c - - struct video_status { - int video_blank; /* blank video on freeze? */ - video_play_state_t play_state; /* current state of playback */ - video_stream_source_t stream_source; /* current source (demux/memory) */ - video_format_t video_format; /* current aspect ratio of stream */ - video_displayformat_t display_format;/* selected cropping mode */ - }; - -If video_blank is set video will be blanked out if the channel is -changed or if playback is stopped. Otherwise, the last picture will be -displayed. play_state indicates if the video is currently frozen, -stopped, or being played back. The stream_source corresponds to the -selected source for the video stream. It can come either from the -demultiplexer or from memory. The video_format indicates the aspect -ratio (one of 4:3 or 16:9) of the currently played video stream. -Finally, display_format corresponds to the selected cropping mode in -case the source video format is not the same as the format of the output -device. - - -.. c:type:: video_still_picture - -struct video_still_picture -========================== - -An I-frame displayed via the VIDEO_STILLPICTURE call is passed on -within the following structure. - - -.. code-block:: c - - /* pointer to and size of a single iframe in memory */ - struct video_still_picture { - char *iFrame; /* pointer to a single iframe in memory */ - int32_t size; - }; - - -.. _video_caps: - -video capabilities -================== - -A call to VIDEO_GET_CAPABILITIES returns an unsigned integer with the -following bits set according to the hardwares capabilities. - - -.. code-block:: c - - /* bit definitions for capabilities: */ - /* can the hardware decode MPEG1 and/or MPEG2? */ - #define VIDEO_CAP_MPEG1 1 - #define VIDEO_CAP_MPEG2 2 - /* can you send a system and/or program stream to video device? - (you still have to open the video and the audio device but only - send the stream to the video device) */ - #define VIDEO_CAP_SYS 4 - #define VIDEO_CAP_PROG 8 - /* can the driver also handle SPU, NAVI and CSS encoded data? - (CSS API is not present yet) */ - #define VIDEO_CAP_SPU 16 - #define VIDEO_CAP_NAVI 32 - #define VIDEO_CAP_CSS 64 diff --git a/Documentation/userspace-api/media/fdl-appendix.rst b/Documentation/userspace-api/media/fdl-appendix.rst index 683ebed87017..b1bc725b4ec7 100644 --- a/Documentation/userspace-api/media/fdl-appendix.rst +++ b/Documentation/userspace-api/media/fdl-appendix.rst @@ -13,14 +13,14 @@ GNU Free Documentation License =========== The purpose of this License is to make a manual, textbook, or other -written document “free” in the sense of freedom: to assure everyone the +written document "free" in the sense of freedom: to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or noncommercially. Secondarily, this License preserves for the author and publisher a way to get credit for their work, while not being considered responsible for modifications made by others. -This License is a kind of “copyleft”, which means that derivative works +This License is a kind of "copyleft", which means that derivative works of the document must themselves be free in the same sense. It complements the GNU General Public License, which is a copyleft license designed for free software. @@ -44,21 +44,21 @@ works whose purpose is instruction or reference. This License applies to any manual or other work that contains a notice placed by the copyright holder saying it can be distributed under the -terms of this License. The “Document”, below, refers to any such manual +terms of this License. The "Document", below, refers to any such manual or work. Any member of the public is a licensee, and is addressed as -“you”. +"you". .. _fdl-modified: -A “Modified Version” of the Document means any work containing the +A "Modified Version" of the Document means any work containing the Document or a portion of it, either copied verbatim, or with modifications and/or translated into another language. .. _fdl-secondary: -A “Secondary Section” is a named appendix or a front-matter section of +A "Secondary Section" is a named appendix or a front-matter section of the :ref:`Document <fdl-document>` that deals exclusively with the relationship of the publishers or authors of the Document to the Document's overall subject (or to related matters) and contains nothing @@ -72,7 +72,7 @@ regarding them. .. _fdl-invariant: -The “Invariant Sections” are certain +The "Invariant Sections" are certain :ref:`Secondary Sections <fdl-secondary>` whose titles are designated, as being those of Invariant Sections, in the notice that says that the :ref:`Document <fdl-document>` is released under this License. @@ -80,14 +80,14 @@ as being those of Invariant Sections, in the notice that says that the .. _fdl-cover-texts: -The “Cover Texts” are certain short passages of text that are listed, as +The "Cover Texts" are certain short passages of text that are listed, as Front-Cover Texts or Back-Cover Texts, in the notice that says that the :ref:`Document <fdl-document>` is released under this License. .. _fdl-transparent: -A “Transparent” copy of the :ref:`Document <fdl-document>` means a +A "Transparent" copy of the :ref:`Document <fdl-document>` means a machine-readable copy, represented in a format whose specification is available to the general public, whose contents can be viewed and edited directly and straightforwardly with generic text editors or (for images @@ -97,7 +97,7 @@ formatters or for automatic translation to a variety of formats suitable for input to text formatters. A copy made in an otherwise Transparent file format whose markup has been designed to thwart or discourage subsequent modification by readers is not Transparent. A copy that is -not “Transparent” is called “Opaque”. +not "Transparent" is called "Opaque". Examples of suitable formats for Transparent copies include plain ASCII without markup, Texinfo input format, LaTeX input format, SGML or XML @@ -111,10 +111,10 @@ word processors for output purposes only. .. _fdl-title-page: -The “Title Page” means, for a printed book, the title page itself, plus +The "Title Page" means, for a printed book, the title page itself, plus such following pages as are needed to hold, legibly, the material this License requires to appear in the title page. For works in formats which -do not have any title page as such, “Title Page” means the text near the +do not have any title page as such, "Title Page" means the text near the most prominent appearance of the work's title, preceding the beginning of the body of the text. @@ -242,11 +242,11 @@ Modified Version: Include an unaltered copy of this License. - **I.** - Preserve the section entitled “History”, and its title, and add to it + Preserve the section entitled "History", and its title, and add to it an item stating at least the title, year, new authors, and publisher of the :ref:`Modified Version <fdl-modified>` as given on the :ref:`Title Page <fdl-title-page>`. If there is no section entitled - “History” in the :ref:`Document <fdl-document>`, create one stating + "History" in the :ref:`Document <fdl-document>`, create one stating the title, year, authors, and publisher of the Document as given on its Title Page, then add an item describing the Modified Version as stated in the previous sentence. @@ -256,13 +256,13 @@ Modified Version: :ref:`Document <fdl-document>` for public access to a :ref:`Transparent <fdl-transparent>` copy of the Document, and likewise the network locations given in the Document for previous - versions it was based on. These may be placed in the “History” + versions it was based on. These may be placed in the "History" section. You may omit a network location for a work that was published at least four years before the Document itself, or if the original publisher of the version it refers to gives permission. - **K.** - In any section entitled “Acknowledgements” or “Dedications”, preserve + In any section entitled "Acknowledgements" or "Dedications", preserve the section's title, and preserve in the section all the substance and tone of each of the contributor acknowledgements and/or dedications given therein. @@ -274,11 +274,11 @@ Modified Version: part of the section titles. - **M.** - Delete any section entitled “Endorsements”. Such a section may not be + Delete any section entitled "Endorsements". Such a section may not be included in the :ref:`Modified Version <fdl-modified>`. - **N.** - Do not retitle any existing section as “Endorsements” or to conflict + Do not retitle any existing section as "Endorsements" or to conflict in title with any :ref:`Invariant Section <fdl-invariant>`. If the :ref:`Modified Version <fdl-modified>` includes new @@ -290,7 +290,7 @@ of :ref:`Invariant Sections <fdl-invariant>` in the Modified Version's license notice. These titles must be distinct from any other section titles. -You may add a section entitled “Endorsements”, provided it contains +You may add a section entitled "Endorsements", provided it contains nothing but endorsements of your :ref:`Modified Version <fdl-modified>` by various parties--for example, statements of peer review or that the text has been approved by @@ -337,11 +337,11 @@ the original author or publisher of that section if known, or else a unique number. Make the same adjustment to the section titles in the list of Invariant Sections in the license notice of the combined work. -In the combination, you must combine any sections entitled “History” in -the various original documents, forming one section entitled “History”; -likewise combine any sections entitled “Acknowledgements”, and any -sections entitled “Dedications”. You must delete all sections entitled -“Endorsements.” +In the combination, you must combine any sections entitled "History" in +the various original documents, forming one section entitled "History"; +likewise combine any sections entitled "Acknowledgements", and any +sections entitled "Dedications". You must delete all sections entitled +"Endorsements." .. _fdl-section6: @@ -372,7 +372,7 @@ with other separate and independent documents or works, in or on a volume of a storage or distribution medium, does not as a whole count as a :ref:`Modified Version <fdl-modified>` of the Document, provided no compilation copyright is claimed for the compilation. Such a compilation -is called an “aggregate”, and this License does not apply to the other +is called an "aggregate", and this License does not apply to the other self-contained works thus compiled with the Document , on account of their being thus compiled, if they are not themselves derivative works of the Document. If the :ref:`Cover Text <fdl-cover-texts>` @@ -429,7 +429,7 @@ concerns. See Each version of the License is given a distinguishing version number. If the :ref:`Document <fdl-document>` specifies that a particular -numbered version of this License “or any later version” applies to it, +numbered version of this License "or any later version" applies to it, you have the option of following the terms and conditions either of that specified version or of any later version that has been published (not as a draft) by the Free Software Foundation. If the Document does not @@ -455,13 +455,13 @@ notices just after the title page: being LIST THEIR TITLES, with the :ref:`Front-Cover Texts <fdl-cover-texts>` being LIST, and with the :ref:`Back-Cover Texts <fdl-cover-texts>` being LIST. A copy - of the license is included in the section entitled “GNU Free - Documentation License”. + of the license is included in the section entitled "GNU Free + Documentation License". -If you have no :ref:`Invariant Sections <fdl-invariant>`, write “with -no Invariant Sections” instead of saying which ones are invariant. If -you have no :ref:`Front-Cover Texts <fdl-cover-texts>`, write “no -Front-Cover Texts” instead of “Front-Cover Texts being LIST”; likewise +If you have no :ref:`Invariant Sections <fdl-invariant>`, write "with +no Invariant Sections" instead of saying which ones are invariant. If +you have no :ref:`Front-Cover Texts <fdl-cover-texts>`, write "no +Front-Cover Texts" instead of "Front-Cover Texts being LIST"; likewise for :ref:`Back-Cover Texts <fdl-cover-texts>`. If your document contains nontrivial examples of program code, we diff --git a/Documentation/userspace-api/media/glossary.rst b/Documentation/userspace-api/media/glossary.rst index cb165d7176b7..96a360edbf3b 100644 --- a/Documentation/userspace-api/media/glossary.rst +++ b/Documentation/userspace-api/media/glossary.rst @@ -116,7 +116,7 @@ Glossary - :term:`RC API`; and - :term:`V4L2 API`. - See :doc:`index`. + See Documentation/userspace-api/media/index.rst. MC API **Media Controller API** diff --git a/Documentation/userspace-api/media/index.rst b/Documentation/userspace-api/media/index.rst index 7f42f83b9f59..d839904be085 100644 --- a/Documentation/userspace-api/media/index.rst +++ b/Documentation/userspace-api/media/index.rst @@ -11,12 +11,14 @@ used by media devices. Please see: -- :doc:`/admin-guide/media/index` - for usage information about media subsystem and supported drivers; +Documentation/admin-guide/media/index.rst -- :doc:`/driver-api/media/index` - for driver development information and Kernel APIs used by - media devices; + - for usage information about media subsystem and supported drivers; + +Documentation/driver-api/media/index.rst + + - for driver development information and Kernel APIs used by + media devices; .. only:: html diff --git a/Documentation/userspace-api/media/v4l/biblio.rst b/Documentation/userspace-api/media/v4l/biblio.rst index 64d241daf63c..7b8e6738ff9e 100644 --- a/Documentation/userspace-api/media/v4l/biblio.rst +++ b/Documentation/userspace-api/media/v4l/biblio.rst @@ -51,7 +51,7 @@ ISO 13818-1 =========== -:title: ITU-T Rec. H.222.0 | ISO/IEC 13818-1 "Information technology — Generic coding of moving pictures and associated audio information: Systems" +:title: ITU-T Rec. H.222.0 | ISO/IEC 13818-1 "Information technology --- Generic coding of moving pictures and associated audio information: Systems" :author: International Telecommunication Union (http://www.itu.ch), International Organisation for Standardisation (http://www.iso.ch) @@ -61,7 +61,7 @@ ISO 13818-2 =========== -:title: ITU-T Rec. H.262 | ISO/IEC 13818-2 "Information technology — Generic coding of moving pictures and associated audio information: Video" +:title: ITU-T Rec. H.262 | ISO/IEC 13818-2 "Information technology --- Generic coding of moving pictures and associated audio information: Video" :author: International Telecommunication Union (http://www.itu.ch), International Organisation for Standardisation (http://www.iso.ch) @@ -150,7 +150,7 @@ ITU-T.81 ======== -:title: ITU-T Recommendation T.81 "Information Technology — Digital Compression and Coding of Continous-Tone Still Images — Requirements and Guidelines" +:title: ITU-T Recommendation T.81 "Information Technology --- Digital Compression and Coding of Continous-Tone Still Images --- Requirements and Guidelines" :author: International Telecommunication Union (http://www.itu.int) @@ -310,7 +310,7 @@ ISO 12232:2006 ============== -:title: Photography — Digital still cameras — Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index +:title: Photography --- Digital still cameras --- Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index :author: International Organization for Standardization (http://www.iso.org) diff --git a/Documentation/userspace-api/media/v4l/dev-decoder.rst b/Documentation/userspace-api/media/v4l/dev-decoder.rst index 3d4138a4ba69..5b9b83feeceb 100644 --- a/Documentation/userspace-api/media/v4l/dev-decoder.rst +++ b/Documentation/userspace-api/media/v4l/dev-decoder.rst @@ -38,7 +38,7 @@ Conventions and Notations Used in This Document 6. i = [a..b]: sequence of integers from a to b, inclusive, i.e. i = [0..2]: i = 0, 1, 2. -7. Given an ``OUTPUT`` buffer A, then A’ represents a buffer on the ``CAPTURE`` +7. Given an ``OUTPUT`` buffer A, then A' represents a buffer on the ``CAPTURE`` queue containing data that resulted from processing buffer A. .. _decoder-glossary: @@ -288,7 +288,7 @@ Initialization Changing the ``OUTPUT`` format may change the currently set ``CAPTURE`` format. How the new ``CAPTURE`` format is determined is up to the decoder - and the client must ensure it matches its needs afterwards. + and the client must ensure it matches its needs afterwards. 2. Allocate source (bytestream) buffers via :c:func:`VIDIOC_REQBUFS` on ``OUTPUT``. @@ -874,7 +874,7 @@ it may be affected as per normal decoder operation. any of the following results on the ``CAPTURE`` queue is allowed: - {A’, B’, G’, H’}, {A’, G’, H’}, {G’, H’}. + {A', B', G', H'}, {A', G', H'}, {G', H'}. To determine the CAPTURE buffer containing the first decoded frame after the seek, the client may observe the timestamps to match the CAPTURE and OUTPUT diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst index 3fc04daa9ffb..72f5e85b4f34 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst @@ -1244,3 +1244,217 @@ FWHT Flags * - __u8 - ``padding[3]`` - Applications and drivers must set this to zero. + +.. _v4l2-codec-stateless-mpeg2: + +``V4L2_CID_STATELESS_MPEG2_SEQUENCE (struct)`` + Specifies the sequence parameters (as extracted from the bitstream) for the + associated MPEG-2 slice data. This includes fields matching the syntax + elements from the sequence header and sequence extension parts of the + bitstream as specified by :ref:`mpeg2part2`. + +.. c:type:: v4l2_ctrl_mpeg2_sequence + +.. raw:: latex + + \small + +.. cssclass:: longtable + +.. tabularcolumns:: |p{1.4cm}|p{6.5cm}|p{9.4cm}| + +.. flat-table:: struct v4l2_ctrl_mpeg2_sequence + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __u16 + - ``horizontal_size`` + - The width of the displayable part of the frame's luminance component. + * - __u16 + - ``vertical_size`` + - The height of the displayable part of the frame's luminance component. + * - __u32 + - ``vbv_buffer_size`` + - Used to calculate the required size of the video buffering verifier, + defined (in bits) as: 16 * 1024 * vbv_buffer_size. + * - __u16 + - ``profile_and_level_indication`` + - The current profile and level indication as extracted from the + bitstream. + * - __u8 + - ``chroma_format`` + - The chrominance sub-sampling format (1: 4:2:0, 2: 4:2:2, 3: 4:4:4). + * - __u8 + - ``flags`` + - See :ref:`MPEG-2 Sequence Flags <mpeg2_sequence_flags>`. + +.. _mpeg2_sequence_flags: + +``MPEG-2 Sequence Flags`` + +.. cssclass:: longtable + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_MPEG2_SEQ_FLAG_PROGRESSIVE`` + - 0x01 + - Indication that all the frames for the sequence are progressive instead + of interlaced. + +.. raw:: latex + + \normalsize + +``V4L2_CID_STATELESS_MPEG2_PICTURE (struct)`` + Specifies the picture parameters (as extracted from the bitstream) for the + associated MPEG-2 slice data. This includes fields matching the syntax + elements from the picture header and picture coding extension parts of the + bitstream as specified by :ref:`mpeg2part2`. + +.. c:type:: v4l2_ctrl_mpeg2_picture + +.. raw:: latex + + \small + +.. cssclass:: longtable + +.. tabularcolumns:: |p{1.0cm}|p{5.6cm}|p{10.7cm}| + +.. flat-table:: struct v4l2_ctrl_mpeg2_picture + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __u64 + - ``backward_ref_ts`` + - Timestamp of the V4L2 capture buffer to use as backward reference, used + with B-coded and P-coded frames. The timestamp refers to the + ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the + :c:func:`v4l2_timeval_to_ns()` function to convert the struct + :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64. + * - __u64 + - ``forward_ref_ts`` + - Timestamp for the V4L2 capture buffer to use as forward reference, used + with B-coded frames. The timestamp refers to the ``timestamp`` field in + struct :c:type:`v4l2_buffer`. Use the :c:func:`v4l2_timeval_to_ns()` + function to convert the struct :c:type:`timeval` in struct + :c:type:`v4l2_buffer` to a __u64. + * - __u32 + - ``flags`` + - See :ref:`MPEG-2 Picture Flags <mpeg2_picture_flags>`. + * - __u8 + - ``f_code[2][2]`` + - Motion vector codes. + * - __u8 + - ``picture_coding_type`` + - Picture coding type for the frame covered by the current slice + (V4L2_MPEG2_PIC_CODING_TYPE_I, V4L2_MPEG2_PIC_CODING_TYPE_P or + V4L2_MPEG2_PIC_CODING_TYPE_B). + * - __u8 + - ``picture_structure`` + - Picture structure (1: interlaced top field, 2: interlaced bottom field, + 3: progressive frame). + * - __u8 + - ``intra_dc_precision`` + - Precision of Discrete Cosine transform (0: 8 bits precision, + 1: 9 bits precision, 2: 10 bits precision, 3: 11 bits precision). + * - __u8 + - ``reserved[5]`` + - Applications and drivers must set this to zero. + +.. _mpeg2_picture_flags: + +``MPEG-2 Picture Flags`` + +.. cssclass:: longtable + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_MPEG2_PIC_FLAG_TOP_FIELD_FIRST`` + - 0x00000001 + - If set and it's an interlaced stream, top field is output first. + * - ``V4L2_MPEG2_PIC_FLAG_FRAME_PRED_DCT`` + - 0x00000002 + - If set only frame-DCT and frame prediction are used. + * - ``V4L2_MPEG2_PIC_FLAG_CONCEALMENT_MV`` + - 0x00000004 + - If set motion vectors are coded for intra macroblocks. + * - ``V4L2_MPEG2_PIC_FLAG_Q_SCALE_TYPE`` + - 0x00000008 + - This flag affects the inverse quantization process. + * - ``V4L2_MPEG2_PIC_FLAG_INTRA_VLC`` + - 0x00000010 + - This flag affects the decoding of transform coefficient data. + * - ``V4L2_MPEG2_PIC_FLAG_ALT_SCAN`` + - 0x00000020 + - This flag affects the decoding of transform coefficient data. + * - ``V4L2_MPEG2_PIC_FLAG_REPEAT_FIRST`` + - 0x00000040 + - This flag affects the decoding process of progressive frames. + * - ``V4L2_MPEG2_PIC_FLAG_PROGRESSIVE`` + - 0x00000080 + - Indicates whether the current frame is progressive. + +.. raw:: latex + + \normalsize + +``V4L2_CID_STATELESS_MPEG2_QUANTISATION (struct)`` + Specifies quantisation matrices, in zigzag scanning order, for the + associated MPEG-2 slice data. This control is initialized by the kernel + to the matrices default values. If a bitstream transmits a user-defined + quantisation matrices load, applications are expected to use this control. + Applications are also expected to set the control loading the default + values, if the quantisation matrices need to be reset, for instance on a + sequence header. This process is specified by section 6.3.7. + "Quant matrix extension" of the specification. + +.. c:type:: v4l2_ctrl_mpeg2_quantisation + +.. tabularcolumns:: |p{0.8cm}|p{8.0cm}|p{8.5cm}| + +.. cssclass:: longtable + +.. raw:: latex + + \small + +.. flat-table:: struct v4l2_ctrl_mpeg2_quantisation + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __u8 + - ``intra_quantiser_matrix[64]`` + - The quantisation matrix coefficients for intra-coded frames, in zigzag + scanning order. It is relevant for both luma and chroma components, + although it can be superseded by the chroma-specific matrix for + non-4:2:0 YUV formats. + * - __u8 + - ``non_intra_quantiser_matrix[64]`` + - The quantisation matrix coefficients for non-intra-coded frames, in + zigzag scanning order. It is relevant for both luma and chroma + components, although it can be superseded by the chroma-specific matrix + for non-4:2:0 YUV formats. + * - __u8 + - ``chroma_intra_quantiser_matrix[64]`` + - The quantisation matrix coefficients for the chominance component of + intra-coded frames, in zigzag scanning order. Only relevant for + non-4:2:0 YUV formats. + * - __u8 + - ``chroma_non_intra_quantiser_matrix[64]`` + - The quantisation matrix coefficients for the chrominance component of + non-intra-coded frames, in zigzag scanning order. Only relevant for + non-4:2:0 YUV formats. + +.. raw:: latex + + \normalsize diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index b0de4e6e7ebd..8c6e2a11ed95 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -1606,223 +1606,6 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type - ``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR (integer)`` Indicates bit rate (bps) for hierarchical coding layer 6 for H264 encoder. -.. _v4l2-mpeg-mpeg2: - -``V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS (struct)`` - Specifies the slice parameters (as extracted from the bitstream) for the - associated MPEG-2 slice data. This includes the necessary parameters for - configuring a stateless hardware decoding pipeline for MPEG-2. - The bitstream parameters are defined according to :ref:`mpeg2part2`. - - .. note:: - - This compound control is not yet part of the public kernel API and - it is expected to change. - -.. c:type:: v4l2_ctrl_mpeg2_slice_params - -.. tabularcolumns:: |p{5.6cm}|p{4.6cm}|p{7.1cm}| - -.. cssclass:: longtable - -.. flat-table:: struct v4l2_ctrl_mpeg2_slice_params - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __u32 - - ``bit_size`` - - Size (in bits) of the current slice data. - * - __u32 - - ``data_bit_offset`` - - Offset (in bits) to the video data in the current slice data. - * - struct :c:type:`v4l2_mpeg2_sequence` - - ``sequence`` - - Structure with MPEG-2 sequence metadata, merging relevant fields from - the sequence header and sequence extension parts of the bitstream. - * - struct :c:type:`v4l2_mpeg2_picture` - - ``picture`` - - Structure with MPEG-2 picture metadata, merging relevant fields from - the picture header and picture coding extension parts of the bitstream. - * - __u64 - - ``backward_ref_ts`` - - Timestamp of the V4L2 capture buffer to use as backward reference, used - with B-coded and P-coded frames. The timestamp refers to the - ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the - :c:func:`v4l2_timeval_to_ns()` function to convert the struct - :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64. - * - __u64 - - ``forward_ref_ts`` - - Timestamp for the V4L2 capture buffer to use as forward reference, used - with B-coded frames. The timestamp refers to the ``timestamp`` field in - struct :c:type:`v4l2_buffer`. Use the :c:func:`v4l2_timeval_to_ns()` - function to convert the struct :c:type:`timeval` in struct - :c:type:`v4l2_buffer` to a __u64. - * - __u32 - - ``quantiser_scale_code`` - - Code used to determine the quantization scale to use for the IDCT. - -.. c:type:: v4l2_mpeg2_sequence - -.. cssclass:: longtable - -.. tabularcolumns:: |p{1.4cm}|p{6.5cm}|p{9.4cm}| - -.. flat-table:: struct v4l2_mpeg2_sequence - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __u16 - - ``horizontal_size`` - - The width of the displayable part of the frame's luminance component. - * - __u16 - - ``vertical_size`` - - The height of the displayable part of the frame's luminance component. - * - __u32 - - ``vbv_buffer_size`` - - Used to calculate the required size of the video buffering verifier, - defined (in bits) as: 16 * 1024 * vbv_buffer_size. - * - __u16 - - ``profile_and_level_indication`` - - The current profile and level indication as extracted from the - bitstream. - * - __u8 - - ``progressive_sequence`` - - Indication that all the frames for the sequence are progressive instead - of interlaced. - * - __u8 - - ``chroma_format`` - - The chrominance sub-sampling format (1: 4:2:0, 2: 4:2:2, 3: 4:4:4). - -.. c:type:: v4l2_mpeg2_picture - -.. raw:: latex - - \small - -.. cssclass:: longtable - -.. tabularcolumns:: |p{1.0cm}|p{5.6cm}|p{10.7cm}| - -.. flat-table:: struct v4l2_mpeg2_picture - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __u8 - - ``picture_coding_type`` - - Picture coding type for the frame covered by the current slice - (V4L2_MPEG2_PICTURE_CODING_TYPE_I, V4L2_MPEG2_PICTURE_CODING_TYPE_P or - V4L2_MPEG2_PICTURE_CODING_TYPE_B). - * - __u8 - - ``f_code[2][2]`` - - Motion vector codes. - * - __u8 - - ``intra_dc_precision`` - - Precision of Discrete Cosine transform (0: 8 bits precision, - 1: 9 bits precision, 2: 10 bits precision, 3: 11 bits precision). - * - __u8 - - ``picture_structure`` - - Picture structure (1: interlaced top field, 2: interlaced bottom field, - 3: progressive frame). - * - __u8 - - ``top_field_first`` - - If set to 1 and interlaced stream, top field is output first. - * - __u8 - - ``frame_pred_frame_dct`` - - If set to 1, only frame-DCT and frame prediction are used. - * - __u8 - - ``concealment_motion_vectors`` - - If set to 1, motion vectors are coded for intra macroblocks. - * - __u8 - - ``q_scale_type`` - - This flag affects the inverse quantization process. - * - __u8 - - ``intra_vlc_format`` - - This flag affects the decoding of transform coefficient data. - * - __u8 - - ``alternate_scan`` - - This flag affects the decoding of transform coefficient data. - * - __u8 - - ``repeat_first_field`` - - This flag affects the decoding process of progressive frames. - * - __u16 - - ``progressive_frame`` - - Indicates whether the current frame is progressive. - -.. raw:: latex - - \normalsize - -``V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION (struct)`` - Specifies quantization matrices (as extracted from the bitstream) for the - associated MPEG-2 slice data. - - .. note:: - - This compound control is not yet part of the public kernel API and - it is expected to change. - -.. c:type:: v4l2_ctrl_mpeg2_quantization - -.. tabularcolumns:: |p{0.8cm}|p{8.0cm}|p{8.5cm}| - -.. cssclass:: longtable - -.. raw:: latex - - \small - -.. flat-table:: struct v4l2_ctrl_mpeg2_quantization - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __u8 - - ``load_intra_quantiser_matrix`` - - One bit to indicate whether to load the ``intra_quantiser_matrix`` data. - * - __u8 - - ``load_non_intra_quantiser_matrix`` - - One bit to indicate whether to load the ``non_intra_quantiser_matrix`` - data. - * - __u8 - - ``load_chroma_intra_quantiser_matrix`` - - One bit to indicate whether to load the - ``chroma_intra_quantiser_matrix`` data, only relevant for non-4:2:0 YUV - formats. - * - __u8 - - ``load_chroma_non_intra_quantiser_matrix`` - - One bit to indicate whether to load the - ``chroma_non_intra_quantiser_matrix`` data, only relevant for non-4:2:0 - YUV formats. - * - __u8 - - ``intra_quantiser_matrix[64]`` - - The quantization matrix coefficients for intra-coded frames, in zigzag - scanning order. It is relevant for both luma and chroma components, - although it can be superseded by the chroma-specific matrix for - non-4:2:0 YUV formats. - * - __u8 - - ``non_intra_quantiser_matrix[64]`` - - The quantization matrix coefficients for non-intra-coded frames, in - zigzag scanning order. It is relevant for both luma and chroma - components, although it can be superseded by the chroma-specific matrix - for non-4:2:0 YUV formats. - * - __u8 - - ``chroma_intra_quantiser_matrix[64]`` - - The quantization matrix coefficients for the chominance component of - intra-coded frames, in zigzag scanning order. Only relevant for - non-4:2:0 YUV formats. - * - __u8 - - ``chroma_non_intra_quantiser_matrix[64]`` - - The quantization matrix coefficients for the chrominance component of - non-intra-coded frames, in zigzag scanning order. Only relevant for - non-4:2:0 YUV formats. - -.. raw:: latex - - \normalsize - ``V4L2_CID_FWHT_I_FRAME_QP (integer)`` Quantization parameter for an I frame for FWHT. Valid range: from 1 to 31. @@ -2924,6 +2707,9 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - * - __u8 - ``chroma_format_idc`` - + * - __u8 + - ``sps_max_sub_layers_minus1`` + - * - __u64 - ``flags`` - See :ref:`Sequence Parameter Set Flags <hevc_sps_flags>` @@ -3000,6 +2786,12 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - * - __u8 - ``num_extra_slice_header_bits`` - + * - __u8 + - ``num_ref_idx_l0_default_active_minus1`` + - Specifies the inferred value of num_ref_idx_l0_active_minus1 + * - __u8 + - ``num_ref_idx_l1_default_active_minus1`` + - Specifies the inferred value of num_ref_idx_l1_active_minus1 * - __s8 - ``init_qp_minus26`` - @@ -3053,7 +2845,7 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - :stub-columns: 0 :widths: 1 1 2 - * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT`` + * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED`` - 0x00000001 - * - ``V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT`` @@ -3110,6 +2902,14 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - * - ``V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT`` - 0x00040000 - + * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT`` + - 0x00080000 + - Specifies the presence of deblocking filter control syntax elements in + the PPS + * - ``V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING`` + - 0x00100000 + - Specifies that tile column boundaries and likewise tile row boundaries + are distributed uniformly across the picture .. raw:: latex @@ -3201,31 +3001,14 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - - ``pic_struct`` - * - __u8 - - ``num_active_dpb_entries`` - - The number of entries in ``dpb``. - * - __u8 - ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - The list of L0 reference elements as indices in the DPB. * - __u8 - ``ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - The list of L1 reference elements as indices in the DPB. * - __u8 - - ``num_rps_poc_st_curr_before`` - - The number of reference pictures in the short-term set that come before - the current frame. - * - __u8 - - ``num_rps_poc_st_curr_after`` - - The number of reference pictures in the short-term set that come after - the current frame. - * - __u8 - - ``num_rps_poc_lt_curr`` - - The number of reference pictures in the long-term set. - * - __u8 - - ``padding[7]`` + - ``padding`` - Applications and drivers must set this to zero. - * - struct :c:type:`v4l2_hevc_dpb_entry` - - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - The decoded picture buffer, for meta-data about reference frames. * - struct :c:type:`v4l2_hevc_pred_weight_table` - ``pred_weight_table`` - The prediction weight coefficients for inter-picture prediction. @@ -3277,6 +3060,9 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED`` - 0x00000100 - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT`` + - 0x00000200 + - .. raw:: latex @@ -3478,3 +3264,78 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - encoding the next frame queued after setting this control. This provides a bitmask which consists of bits [0, LTR_COUNT-1]. This is applicable to the H264 and HEVC encoders. + +``V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS (struct)`` + Specifies various decode parameters, especially the references picture order + count (POC) for all the lists (short, long, before, current, after) and the + number of entries for each of them. + These parameters are defined according to :ref:`hevc`. + They are described in section 8.3 "Slice decoding process" of the + specification. + +.. c:type:: v4l2_ctrl_hevc_decode_params + +.. cssclass:: longtable + +.. flat-table:: struct v4l2_ctrl_hevc_decode_params + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __s32 + - ``pic_order_cnt_val`` + - PicOrderCntVal as described in section 8.3.1 "Decoding process + for picture order count" of the specification. + * - __u8 + - ``num_active_dpb_entries`` + - The number of entries in ``dpb``. + * - struct :c:type:`v4l2_hevc_dpb_entry` + - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - The decoded picture buffer, for meta-data about reference frames. + * - __u8 + - ``num_poc_st_curr_before`` + - The number of reference pictures in the short-term set that come before + the current frame. + * - __u8 + - ``num_poc_st_curr_after`` + - The number of reference pictures in the short-term set that come after + the current frame. + * - __u8 + - ``num_poc_lt_curr`` + - The number of reference pictures in the long-term set. + * - __u8 + - ``poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - PocStCurrBefore as described in section 8.3.2 "Decoding process for reference + picture set. + * - __u8 + - ``poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - PocStCurrAfter as described in section 8.3.2 "Decoding process for reference + picture set. + * - __u8 + - ``poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - PocLtCurr as described in section 8.3.2 "Decoding process for reference + picture set. + * - __u64 + - ``flags`` + - See :ref:`Decode Parameters Flags <hevc_decode_params_flags>` + +.. _hevc_decode_params_flags: + +``Decode Parameters Flags`` + +.. cssclass:: longtable + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC`` + - 0x00000001 + - + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC`` + - 0x00000002 + - + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR`` + - 0x00000004 + - diff --git a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst index 6dba70da822b..0ede39907ee2 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst @@ -112,12 +112,13 @@ Compressed Formats - 'MG2S' - MPEG-2 parsed slice data, as extracted from the MPEG-2 bitstream. This format is adapted for stateless video decoders that implement a - MPEG-2 pipeline (using the :ref:`mem2mem` and :ref:`media-request-api`). + MPEG-2 pipeline with the :ref:`stateless_decoder`. Metadata associated with the frame to decode is required to be passed - through the ``V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS`` control and - quantization matrices can optionally be specified through the - ``V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION`` control. - See the :ref:`associated Codec Control IDs <v4l2-mpeg-mpeg2>`. + through the ``V4L2_CID_STATELESS_MPEG2_SEQUENCE`` and + ``V4L2_CID_STATELESS_MPEG2_PICTURE`` controls. + Quantisation matrices can optionally be specified through the + ``V4L2_CID_STATELESS_MPEG2_QUANTISATION`` control. + See the :ref:`associated Codec Control IDs <v4l2-codec-stateless-mpeg2>`. Exactly one output and one capture buffer must be provided for use with this pixel format. The output buffer must contain the appropriate number of macroblocks to decode a full corresponding frame to the matching diff --git a/Documentation/userspace-api/media/v4l/pixfmt-meta-intel-ipu3.rst b/Documentation/userspace-api/media/v4l/pixfmt-meta-intel-ipu3.rst index 5f33d35532ef..84d81dd7a7b5 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-meta-intel-ipu3.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-meta-intel-ipu3.rst @@ -78,4 +78,4 @@ hardware and algorithm details. Intel IPU3 ImgU uAPI data types =============================== -.. kernel-doc:: drivers/staging/media/ipu3/include/intel-ipu3.h +.. kernel-doc:: drivers/staging/media/ipu3/include/uapi/intel-ipu3.h diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst index 3ba22983d21f..2d6bc8d94380 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst @@ -221,6 +221,18 @@ still cause this situation. - ``p_vp8_frame`` - A pointer to a struct :c:type:`v4l2_ctrl_vp8_frame`. Valid if this control is of type ``V4L2_CTRL_TYPE_VP8_FRAME``. + * - struct :c:type:`v4l2_ctrl_mpeg2_sequence` * + - ``p_mpeg2_sequence`` + - A pointer to a struct :c:type:`v4l2_ctrl_mpeg2_sequence`. Valid if this control is + of type ``V4L2_CTRL_TYPE_MPEG2_SEQUENCE``. + * - struct :c:type:`v4l2_ctrl_mpeg2_picture` * + - ``p_mpeg2_picture`` + - A pointer to a struct :c:type:`v4l2_ctrl_mpeg2_picture`. Valid if this control is + of type ``V4L2_CTRL_TYPE_MPEG2_PICTURE``. + * - struct :c:type:`v4l2_ctrl_mpeg2_quantisation` * + - ``p_mpeg2_quantisation`` + - A pointer to a struct :c:type:`v4l2_ctrl_mpeg2_quantisation`. Valid if this control is + of type ``V4L2_CTRL_TYPE_MPEG2_QUANTISATION``. * - struct :c:type:`v4l2_ctrl_hdr10_cll_info` * - ``p_hdr10_cll`` - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_cll_info`. Valid if this control is diff --git a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst index 8a285daedc6a..f9ecf6276129 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst @@ -417,18 +417,24 @@ See also the examples in :ref:`control`. - any - An unsigned 32-bit valued control ranging from minimum to maximum inclusive. The step value indicates the increment between values. - * - ``V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS`` + * - ``V4L2_CTRL_TYPE_MPEG2_QUANTISATION`` - n/a - n/a - n/a - - A struct :c:type:`v4l2_ctrl_mpeg2_slice_params`, containing MPEG-2 - slice parameters for stateless video decoders. - * - ``V4L2_CTRL_TYPE_MPEG2_QUANTIZATION`` + - A struct :c:type:`v4l2_ctrl_mpeg2_quantisation`, containing MPEG-2 + quantisation matrices for stateless video decoders. + * - ``V4L2_CTRL_TYPE_MPEG2_SEQUENCE`` + - n/a + - n/a + - n/a + - A struct :c:type:`v4l2_ctrl_mpeg2_sequence`, containing MPEG-2 + sequence parameters for stateless video decoders. + * - ``V4L2_CTRL_TYPE_MPEG2_PICTURE`` - n/a - n/a - n/a - - A struct :c:type:`v4l2_ctrl_mpeg2_quantization`, containing MPEG-2 - quantization matrices for stateless video decoders. + - A struct :c:type:`v4l2_ctrl_mpeg2_picture`, containing MPEG-2 + picture parameters for stateless video decoders. * - ``V4L2_CTRL_TYPE_AREA`` - n/a - n/a @@ -495,6 +501,12 @@ See also the examples in :ref:`control`. - n/a - A struct :c:type:`v4l2_ctrl_vp8_frame`, containing VP8 frame parameters for stateless video decoders. + * - ``V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS`` + - n/a + - n/a + - n/a + - A struct :c:type:`v4l2_ctrl_hevc_decode_params`, containing HEVC + decoding parameters for stateless video decoders. .. raw:: latex diff --git a/Documentation/userspace-api/media/video.h.rst.exceptions b/Documentation/userspace-api/media/video.h.rst.exceptions deleted file mode 100644 index ea9de59ad8b7..000000000000 --- a/Documentation/userspace-api/media/video.h.rst.exceptions +++ /dev/null @@ -1,39 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 - -# Ignore header name -ignore define _UAPI_DVBVIDEO_H_ - -# This is a deprecated obscure API. Just ignore things we don't know -ignore define VIDEO_CMD_PLAY -ignore define VIDEO_CMD_STOP -ignore define VIDEO_CMD_FREEZE -ignore define VIDEO_CMD_CONTINUE -ignore define VIDEO_CMD_FREEZE_TO_BLACK -ignore define VIDEO_CMD_STOP_TO_BLACK -ignore define VIDEO_CMD_STOP_IMMEDIATELY -ignore define VIDEO_PLAY_FMT_NONE -ignore define VIDEO_PLAY_FMT_GOP -ignore define VIDEO_VSYNC_FIELD_UNKNOWN -ignore define VIDEO_VSYNC_FIELD_ODD -ignore define VIDEO_VSYNC_FIELD_EVEN -ignore define VIDEO_VSYNC_FIELD_PROGRESSIVE -ignore define VIDEO_EVENT_SIZE_CHANGED -ignore define VIDEO_EVENT_FRAME_RATE_CHANGED -ignore define VIDEO_EVENT_DECODER_STOPPED -ignore define VIDEO_EVENT_VSYNC -ignore define VIDEO_CAP_MPEG1 -ignore define VIDEO_CAP_MPEG2 -ignore define VIDEO_CAP_SYS -ignore define VIDEO_CAP_PROG -ignore define VIDEO_CAP_SPU -ignore define VIDEO_CAP_NAVI -ignore define VIDEO_CAP_CSS - -# some typedefs should point to struct/enums -replace typedef video_format_t :c:type:`video_format` -replace typedef video_system_t :c:type:`video_system` -replace typedef video_displayformat_t :c:type:`video_displayformat` -replace typedef video_size_t :c:type:`video_size` -replace typedef video_stream_source_t :c:type:`video_stream_source` -replace typedef video_play_state_t :c:type:`video_play_state` -replace typedef video_navi_pack_t :c:type:`video_navi_pack` diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions index f59940352faa..2217b56c2686 100644 --- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions +++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions @@ -134,8 +134,9 @@ replace symbol V4L2_CTRL_TYPE_STRING :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_U16 :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_U32 :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_U8 :c:type:`v4l2_ctrl_type` -replace symbol V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS :c:type:`v4l2_ctrl_type` -replace symbol V4L2_CTRL_TYPE_MPEG2_QUANTIZATION :c:type:`v4l2_ctrl_type` +replace symbol V4L2_CTRL_TYPE_MPEG2_SEQUENCE :c:type:`v4l2_ctrl_type` +replace symbol V4L2_CTRL_TYPE_MPEG2_PICTURE :c:type:`v4l2_ctrl_type` +replace symbol V4L2_CTRL_TYPE_MPEG2_QUANTISATION :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_H264_SPS :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_H264_PPS :c:type:`v4l2_ctrl_type` replace symbol V4L2_CTRL_TYPE_H264_SCALING_MATRIX :c:type:`v4l2_ctrl_type` |