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/Linux-v5.15/Documentation/userspace-api/media/v4l/
Dvidioc-g-enc-index.rst46 picture. A :ref:`VIDIOC_G_ENC_INDEX <VIDIOC_G_ENC_INDEX>` call reads up to
80 array corresponds to one picture, sorted in ascending order by
96 stream to the beginning of this picture, that is a *PES packet
97 header* as defined in :ref:`mpeg2part1` or a *picture header* as
102 - The 33 bit *Presentation Time Stamp* of this picture as defined in
106 - The length of this picture in bytes.
109 - Flags containing the coding type of this picture, see
127 - This is an Intra-coded picture.
130 - This is a Predictive-coded picture.
133 - This is a Bidirectionally predictive-coded picture.
[all …]
Dext-ctrls-codec-stateless.rst171 Specifies the picture parameter set (as extracted from the
175 to :ref:`h264`, section 7.4.2.2 "Picture Parameter Set RBSP
223 - See :ref:`Picture Parameter Set Flags <h264_pps_flags>`
231 ``Picture Parameter Set Flags``
270 must be used for this picture.
378 - Reference picture list after applying the per-slice modifications
381 - Reference picture list after applying the per-slice modifications
473 ``Picture Reference``
486 - Specifies how the picture is referenced. See :ref:`Reference Fields <h264_ref_fields>`
554 - Picture Order Count for the coded top field
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Dpixfmt-compressed.rst95 - MPEG1 Picture. Each buffer starts with a Picture header, followed
96 by other headers as needed and ending with the Picture data.
104 - MPEG2 Picture. Each buffer starts with a Picture header, followed
105 by other headers as needed and ending with the Picture data.
Dcrop.rst18 Some video capture devices can sample a subsection of the picture and
98 shall align with the center of the active picture area of the video
99 signal, and cover what the driver writer considers the complete picture.
136 assuming video will be scaled down from the "full picture" accordingly.
144 Now the application may insist on covering an area using a picture
203 /* Scale down to 1/4 size of full picture. */
Dcontrol.rst69 Picture brightness, or more precisely, the black level.
72 Picture contrast or luma gain.
75 Picture color saturation or chroma gain.
147 Mirror the picture horizontally.
150 Mirror the picture vertically.
179 disables the filters, higher values give a sharper picture.
261 and width of the picture using the
Dbiblio.rst175 :author: Society of Motion Picture and Television Engineers (http://www.smpte.org)
185 :author: Society of Motion Picture and Television Engineers (http://www.smpte.org)
195 :author: Society of Motion Picture and Television Engineers (http://www.smpte.org)
205 :author: Society of Motion Picture and Television Engineers (http://www.smpte.org)
215 :author: Society of Motion Picture and Television Engineers (http://www.smpte.org)
Dv4l2-selection-targets.rst39 - Suggested cropping rectangle that covers the "whole picture".
63 - Suggested composition rectangle that covers the "whole picture".
Dext-ctrls-codec.rst728 returned buffer as a reference picture for subsequent frames.
1326 reference picture. This V4L2 control macro is used to set horizontal
1334 picture. This V4L2 control macro is used to set vertical search
1346 The Coded Picture Buffer size in kilobytes, it is used as a
1670 returned buffer as a reference picture for subsequent frames.
1678 The number of reference pictures used for encoding a P picture.
2402 - Main still picture profile.
2446 TIER_FLAG specifies tiers information of the HEVC encoded picture. Tier
2520 - Use CRA (Clean Random Access Unit) picture encoding.
2522 - Use IDR (Instantaneous Decoding Refresh) picture encoding.
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/Linux-v5.15/include/media/
Dv4l2-h264.h18 * @refs.pic_order_count: reference picture order count
20 * @refs.pic_num: reference picture number
23 * @cur_pic_order_count: picture order count of the frame being decoded
30 * picture lists construction' of the H264 spec.
60 * in section '8.2.4 Decoding process for reference picture lists construction'
76 * section '8.2.4 Decoding process for reference picture lists construction'
/Linux-v5.15/drivers/media/platform/mtk-vcodec/
Dmtk_vcodec_drv.h145 * @gop_size: group of picture size, it's used as the intra frame period
201 * struct vdec_pic_info - picture size information
202 * @pic_w: picture width
203 * @pic_h: picture height
204 * @buf_w: picture buffer width (64 aligned up from pic_w)
205 * @buf_h: picture buffer heiht (64 aligned up from pic_h)
207 * E.g. suppose picture size is 176x144,
240 * @picinfo: store picture info after header parsing
Dvdec_drv_if.h34 * GET_PARAM_PIC_INFO : get picture info, struct vdec_pic_info*
82 * picture width/height
/Linux-v5.15/drivers/media/platform/sti/delta/
Ddelta-mjpeg-fw.h13 * defines the addresses where the decoded picture/additional
158 * @picture_start_addr_p: start address of jpeg picture
159 * @picture_end_addr_p: end address of jpeg picture
160 * @decoded_buffer_addr: decoded picture buffer
161 * @display_buffer_addr: display picture buffer
/Linux-v5.15/drivers/staging/media/hantro/
Dhantro_g1_h264_dec.c119 /* Reference picture buffer control register. */ in set_params()
122 /* Reference picture buffer control register 2. */ in set_params()
139 * Set up reference frame picture numbers. in set_ref()
156 * of each forward and backward picture list. in set_ref()
171 * of forward and backward reference picture lists and first 4 entries in set_ref()
172 * of P forward picture list. in set_ref()
184 * entries of P forward picture list, starting from index 4. in set_ref()
/Linux-v5.15/drivers/staging/media/meson/vdec/
Dvdec_helpers.h76 * @width: picture width detected by the hardware
77 * @height: picture height detected by the hardware
78 * @dpb_size: Decoded Picture Buffer size (= amount of buffers for decoding)
Dvdec.h149 * @max_width: maximum picture width supported
150 * @max_height: maximum picture height supported
191 * @width: current picture width
192 * @height: current picture height
/Linux-v5.15/drivers/media/rc/keymaps/
Drc-nebula.c26 { 0x000e, KEY_CAMERA }, /* labelled 'Picture' */
59 { 0x002f, KEY_F17 }, /* picture in picture */
Drc-avermedia-cardbus.c49 { 0x29, KEY_BLUE }, /* Blue/Picture */
51 { 0x2b, KEY_VIDEO }, /* PIP (Picture-in-picture) */
/Linux-v5.15/include/drm/
Ddrm_dsc.h160 * picture. False if BP not used
277 * Picture Parameter Set
279 * The VESA DSC standard defines picture parameter set (PPS) which display
311 * pixels of the encoded picture.
323 * reconstruct the 4:2:2 picture.
327 * groups in picture
586 * struct drm_dsc_pps_infoframe - DSC infoframe carrying the Picture Parameter
589 * This structure represents the DSC PPS infoframe required to send the Picture
/Linux-v5.15/drivers/staging/media/av7110/
Dvideo-stillpicture.rst52 This ioctl call asks the Video Device to display a still picture
54 NULL, then the current displayed still picture is blanked.
/Linux-v5.15/drivers/media/platform/allegro-dvt/
Dnal-h264.h146 * struct nal_h264_pps - Picture parameter set
148 * C struct representation of the picture parameter set NAL unit as defined by
149 * Rec. ITU-T H.264 (04/2017) 7.3.2.2 Picture parameter set RBSP syntax.
/Linux-v5.15/include/uapi/linux/
Dv4l2-controls.h1340 * struct v4l2_ctrl_h264_pps - H264 picture parameter set
1342 * Except where noted, all the members on this picture parameter set
1343 * structure match the picture parameter set syntax as specified
1348 * scaling matrix applies to the picture. In this case, applications
1446 * struct v4l2_h264_reference - H264 picture reference
1448 * @fields: indicates how the picture is referenced.
1495 * @ref_pic_list0: reference picture list 0 after applying the per-slice modifications.
1496 * @ref_pic_list1: reference picture list 1 after applying the per-slice modifications.
1528 * struct v4l2_h264_dpb_entry - H264 decoded picture buffer entry
1534 * picture lists construction process.
[all …]
/Linux-v5.15/Documentation/fb/
Dapi.rst202 __u32 height; /* height of picture in mm */
203 __u32 width; /* width of picture in mm */
209 __u32 left_margin; /* time from sync to picture */
210 __u32 right_margin; /* time from picture to sync */
211 __u32 upper_margin; /* time from sync to picture */
Dframebuffer.rst202 stable picture without visible flicker, VESA recommends a vertical scanrate of
212 The following picture summarizes all timings. The horizontal retrace time is
267 - left_margin: time from sync to picture
268 - right_margin: time from picture to sync
269 - upper_margin: time from sync to picture
270 - lower_margin: time from picture to sync
/Linux-v5.15/drivers/media/platform/qcom/venus/
Dcore.h332 * @dpbbufs: a list of decoded picture buffers
366 * @dpb_buftype: decoded picture buffer type
367 * @dpb_fmt: decoded picture buffer raw format
368 * @opb_buftype: output picture buffer type
369 * @opb_fmt: output picture buffer raw format
/Linux-v5.15/drivers/gpu/drm/tidss/
Dtidss_plane.c62 * beginning of the next row. So we can only show picture with in tidss_plane_atomic_check()
64 * reaching the end of the drawn picture the drawing starts in tidss_plane_atomic_check()
66 * position of the drawn picture is (so there is no need to in tidss_plane_atomic_check()

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