Lines Matching +full:work +full:- +full:around
1 .. SPDX-License-Identifier: GPL-2.0
13 Each input can be a webcam, TV capture device, S-Video capture device or an HDMI
14 capture device. Each output can be an S-Video output device or an HDMI output
23 - Support for read()/write(), MMAP, USERPTR and DMABUF streaming I/O.
24 - A large list of test patterns and variations thereof
25 - Working brightness, contrast, saturation and hue controls
26 - Support for the alpha color component
27 - Full colorspace support, including limited/full RGB range
28 - All possible control types are present
29 - Support for various pixel aspect ratios and video aspect ratios
30 - Error injection to test what happens if errors occur
31 - Supports crop/compose/scale in any combination for both input and output
32 - Can emulate up to 4K resolutions
33 - All Field settings are supported for testing interlaced capturing
34 - Supports all standard YUV and RGB formats, including two multiplanar YUV formats
35 - Raw and Sliced VBI capture and output support
36 - Radio receiver and transmitter support, including RDS support
37 - Software defined radio (SDR) support
38 - Capture and output overlay support
39 - Metadata capture and output support
40 - Touch capture support
45 ----------------------
48 device with webcam, TV, S-Video and HDMI inputs, a video output device with
49 S-Video and HDMI outputs, one vbi capture device, one vbi output device, one
55 - n_devs:
60 - node_types:
66 - bit 0: Video Capture node
67 - bit 2-3: VBI Capture node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both
68 - bit 4: Radio Receiver node
69 - bit 5: Software Defined Radio Receiver node
70 - bit 8: Video Output node
71 - bit 10-11: VBI Output node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both
72 - bit 12: Radio Transmitter node
73 - bit 16: Framebuffer for testing overlays
74 - bit 17: Metadata Capture node
75 - bit 18: Metadata Output node
76 - bit 19: Touch Capture node
82 .. code-block:: none
86 - num_inputs:
92 - input_types:
97 pair gives the type and bits 0-1 map to input 0, bits 2-3 map to input 1,
98 30-31 map to input 15. Each pair of bits has the following meaning:
100 - 00: this is a webcam input
101 - 01: this is a TV tuner input
102 - 10: this is an S-Video input
103 - 11: this is an HDMI input
106 tuner, inputs 1-3 are S-Video inputs and inputs 4-7 are HDMI inputs you
109 .. code-block:: none
113 - num_outputs:
119 - output_types:
127 - 0: this is an S-Video output
128 - 1: this is an HDMI output
130 So to create a video output device with 8 outputs where outputs 0-3 are
131 S-Video outputs and outputs 4-7 are HDMI outputs you would use the
134 .. code-block:: none
138 - vid_cap_nr:
141 The default is -1 which will just take the first free number. This allows
144 .. code-block:: none
153 - vid_out_nr:
156 The default is -1 which will just take the first free number.
158 - vbi_cap_nr:
161 The default is -1 which will just take the first free number.
163 - vbi_out_nr:
166 The default is -1 which will just take the first free number.
168 - radio_rx_nr:
171 The default is -1 which will just take the first free number.
173 - radio_tx_nr:
176 device. The default is -1 which will just take the first free number.
178 - sdr_cap_nr:
181 The default is -1 which will just take the first free number.
183 - meta_cap_nr:
186 The default is -1 which will just take the first free number.
188 - meta_out_nr:
191 The default is -1 which will just take the first free number.
193 - touch_cap_nr:
195 give the desired v4l-touchX start number for each touch capture device.
196 The default is -1 which will just take the first free number.
198 - ccs_cap_mode:
206 The value is either -1 (controlled by the user) or a set of three bits,
209 - bit 0:
213 - bit 1:
218 - bit 2:
223 very simple and low-quality. Simplicity and speed were
230 - ccs_out_mode:
238 The value is either -1 (controlled by the user) or a set of three bits,
241 - bit 0:
246 - bit 1:
251 - bit 2:
256 very simple and low-quality. Simplicity and speed were
259 - multiplanar:
261 select whether each device instance supports multi-planar formats,
262 and thus the V4L2 multi-planar API. By default device instances are
263 single-planar.
267 - 1: this is a single-planar instance.
268 - 2: this is a multi-planar instance.
270 - vivid_debug:
274 - no_error_inj:
277 needed in order to run a tool like v4l2-compliance. Tools like that
280 all tests that v4l2-compliance is doing will fail afterwards.
288 - allocators:
293 - 0: vmalloc
294 - 1: dma-contig
296 - cache_hints:
298 specifies if the device should set queues' user-space cache and memory
302 - 0: forbid hints
303 - 1: allow hints
305 - supports_requests:
310 - 0: no request
311 - 1: supports requests
312 - 2: requires requests
321 -------------
326 but by default four inputs are configured: a webcam, a TV tuner, an S-Video
331 available. The jitter will be around 1 jiffy (that depends on the HZ
333 but the long-term behavior is exactly following the framerate. So a
352 TV and S-Video Inputs
355 The only difference between the TV and S-Video input is that the TV has a
358 These inputs support audio inputs as well: one TV and one Line-In. They
378 The initially selected colorspace when you switch to the TV or S-Video input
379 will be SMPTE-170M.
387 The TV 'tuner' supports a frequency range of 44-958 MHz. Channels are available
389 will be in color for the +/- 0.25 MHz around it, and in grayscale for
390 +/- 1 MHz around the channel. Beyond that it is just noise. The VIDIOC_G_TUNER
391 ioctl will return 100% signal strength for +/- 0.25 MHz and 50% for +/- 1 MHz.
395 The audio subchannels that are returned are MONO for the +/- 1 MHz range around
396 a valid channel frequency. When the frequency is within +/- 0.25 MHz of the
411 The HDMI inputs supports all CEA-861 and DMT timings, both progressive and
419 less than or equal to 720x576 the colorspace is set to SMPTE-170M, for
420 others it is set to REC-709 (CEA-861 timings) or sRGB (VESA DMT timings).
443 ------------
448 an S-Video and an HDMI input, one output for each output type. Those are
454 S-Video Output
457 This output supports audio outputs as well: "Line-Out 1" and "Line-Out 2".
458 The S-Video output supports all TV standards.
462 The initially selected colorspace when you switch to the TV or S-Video input
463 will be SMPTE-170M.
469 The HDMI output supports all CEA-861 and DMT timings, both progressive and
475 less than or equal to 720x576 the colorspace is set to SMPTE-170M, for
476 others it is set to REC-709 (CEA-861 timings) or sRGB (VESA DMT timings).
489 -----------
499 Aspect Ratio control setting and teletext pages 100-159, one page per frame.
501 The VBI device will only work for the S-Video and TV inputs, it will give
506 ----------
515 The VBI device will only work for the S-Video output, it will give
520 --------------
525 - FM: 64 MHz - 108 MHz
526 - AM: 520 kHz - 1710 kHz
527 - SW: 2300 kHz - 26.1 MHz
531 frequency until it becomes 0% at +/- 50 kHz (FM) or 5 kHz (AM/SW) from the
536 modes. In the 'Controls' mode the RDS information is stored in read-only
541 The RDS signal is 'detected' for +/- 12.5 kHz around the channel frequency,
544 blocks if you are +/- 12.5 kHz from the channel frequency. All four errors
551 The receiver supports HW frequency seek, either in Bounded mode, Wrap Around
556 -----------------
561 - FM: 64 MHz - 108 MHz
562 - AM: 520 kHz - 1710 kHz
563 - SW: 2300 kHz - 26.1 MHz
574 -------------------------------
578 - 300 kHz
579 - 900 kHz - 2800 kHz
580 - 3200 kHz
582 The RF tuner supports 50 MHz - 2000 MHz.
584 The generated data contains the In-phase and Quadrature components of a
589 ----------------
594 The Metadata device will only work for the Webcam input, it will give
599 ---------------
603 The Metadata device will only work for the Webcam output, it will give
608 -------------
616 --------
622 User Controls - Test Controls
629 Both menu controls also have a non-zero minimum control value. These features
634 User Controls - Video Capture
639 The Brightness, Contrast, Saturation and Hue controls actually work and are
660 User Controls - Audio
682 - Test Pattern:
689 - OSD Text Mode:
695 - Horizontal Movement:
700 - Vertical Movement:
704 - Show Border:
706 show a two-pixel wide border at the edge of the actual image,
709 - Show Square:
716 - Insert SAV Code in Image:
722 - Insert EAV Code in Image:
726 - Insert Video Guard Band
746 - Sensor Flipped Horizontally:
752 - Sensor Flipped Vertically:
758 - Standard Aspect Ratio:
761 S-Video input should be 4x3, 16x9 or anamorphic widescreen. This may
764 - DV Timings Aspect Ratio:
770 - Timestamp Source:
774 - Colorspace:
786 - Transfer Function:
798 - Y'CbCr Encoding:
807 - Quantization:
815 - Limited RGB Range (16-235):
823 - Apply Alpha To Red Only:
828 - Enable Capture Cropping:
831 the ccs_cap_mode module option is set to the default value of -1 and if
834 - Enable Capture Composing:
838 -1 and if the no_error_inj module option is set to 0 (the default).
840 - Enable Capture Scaler:
844 module option is set to the default value of -1 and if the no_error_inj
847 - Maximum EDID Blocks:
854 - Fill Percentage of Frame:
868 - Enable Output Cropping:
871 the ccs_out_mode module option is set to the default value of -1 and if
874 - Enable Output Composing:
878 -1 and if the no_error_inj module option is set to 0 (the default).
880 - Enable Output Scaler:
884 module option is set to the default value of -1 and if the no_error_inj
893 - Standard Signal Mode:
901 - Standard:
912 - DV Timings Signal Mode:
921 - DV Timings:
935 - Wrap Sequence Number:
938 struct v4l2_buffer around.
940 - Wrap Timestamp:
943 v4l2_buffer around.
945 - Percentage of Dropped Buffers:
950 - Disconnect:
956 - Inject V4L2_BUF_FLAG_ERROR:
962 - Inject VIDIOC_REQBUFS Error:
966 queue_setup() op will return -EINVAL.
968 - Inject VIDIOC_QBUF Error:
972 precise: the videobuf2 buf_prepare() op will return -EINVAL.
974 - Inject VIDIOC_STREAMON Error:
978 start_streaming() op will return -EINVAL.
980 - Inject Fatal Streaming Error:
991 - Interlaced VBI Format:
1000 - Rx RGB Quantization Range:
1003 input. This combines with the Vivid 'Limited RGB Range (16-235)'
1007 range and selecting the opposite in the 'Limited RGB Range (16-235)'
1011 - Tx RGB Quantization Range:
1017 - Transmit Mode:
1019 sets the transmit mode of the HDMI output to HDMI or DVI-D. This
1027 - RDS Reception:
1031 - RDS Program Type:
1034 - RDS PS Name:
1037 - RDS Radio Text:
1040 - RDS Traffic Announcement:
1043 - RDS Traffic Program:
1046 - RDS Music:
1048 these are all read-only controls. If RDS Rx I/O Mode is set to
1057 - Radio HW Seek Mode:
1059 can be one of "Bounded", "Wrap Around" or "Both". This
1061 range or wrap-around or if it is selectable by the user.
1063 - Radio Programmable HW Seek:
1069 - Generate RBDS Instead of RDS:
1072 RDS) data instead of RDS (European-style RDS). This affects only the
1075 - RDS Rx I/O Mode:
1085 - RDS Program ID:
1088 - RDS Program Type:
1091 - RDS PS Name:
1094 - RDS Radio Text:
1097 - RDS Stereo:
1100 - RDS Artificial Head:
1103 - RDS Compressed:
1106 - RDS Dynamic PTY:
1109 - RDS Traffic Announcement:
1112 - RDS Traffic Program:
1115 - RDS Music:
1120 - RDS Tx I/O Mode:
1129 - Generate PTS
1133 - Generate SCR
1139 --------------------------------------
1143 The vivid driver supports looping of video and Sliced VBI data between an S-Video output
1144 and an S-Video input. It also supports looping of video and HDMI CEC data between an
1147 To enable looping, set the 'HDMI/S-Video XXX-N Is Connected To' control(s) to select
1150 The inputs and outputs are numbered XXX-N where XXX is the vivid instance number
1152 XXX will be 000. And N is the Nth S-Video/HDMI input or output of that instance.
1153 If vivid is loaded without module options, then you can connect the S-Video 000-0 input
1154 to the S-Video 000-0 output, or the HDMI 000-0 input to the HDMI 000-0 output.
1158 If an 'HDMI/S-Video XXX-N Is Connected To' control selected an output, then the video
1161 - the currently selected input matches the input indicated by the control name.
1163 - in the vivid instance of the output connector, the currently selected output matches
1166 - the video resolution of the video input must match that of the video output.
1167 So it is not possible to loop a 50 Hz (720x576) S-Video output to a 60 Hz
1168 (720x480) S-Video input, or a 720p60 HDMI output to a 1080p30 input.
1170 - the pixel formats must be identical on both sides. Otherwise the driver would
1173 - the field settings must be identical on both sides. Same reason as above:
1178 Alternate' for this to work. Also note that for this specific case the
1182 - field settings V4L2_FIELD_SEQ_TB/BT are not supported. While it is possible to
1183 implement this, it would mean a lot of work to get this right. Since these
1187 - on the input side the "Standard Signal Mode" for the S-Video input or the
1199 For VBI looping to work all of the above must be valid and in addition the vbi
1206 -------------------
1230 ----------------------------
1241 only applies to the TV/S-Video/HDMI inputs and outputs. The reason is that
1250 320x180 and the maximum is 5120x2880. You can play around with this using the
1264 -------
1276 the driver instances are single-planar. This can be changed by setting the
1282 will have a plane that has a non-zero data_offset of 128 bytes. It is rare for
1283 data_offset to be non-zero, so this is a useful feature for testing applications.
1289 --------------
1297 - bitmap clipping,
1298 - list clipping (up to 16 rectangles)
1299 - chromakey
1300 - source chromakey
1301 - global alpha
1302 - local alpha
1303 - local inverse alpha
1307 same for the overlay to work. Otherwise VIDIOC_OVERLAY will return an error.
1309 Output overlays only work if the driver has been configured to create a
1322 ----------------------------------
1341 ------------------------
1345 - Add a virtual alsa driver to test audio
1346 - Add virtual sub-devices
1347 - Some support for testing compressed video
1348 - Add support to loop raw VBI output to raw VBI input
1349 - Add support to loop teletext sliced VBI output to VBI input
1350 - Fix sequence/field numbering when looping of video with alternate fields
1351 - Add support for V4L2_CID_BG_COLOR for video outputs
1352 - Add ARGB888 overlay support: better testing of the alpha channel
1353 - Improve pixel aspect support in the tpg code by passing a real v4l2_fract
1354 - Use per-queue locks and/or per-device locks to improve throughput
1355 - The SDR radio should use the same 'frequencies' for stations as the normal
1358 - Make a thread for the RDS generation, that would help in particular for the
1359 "Controls" RDS Rx I/O Mode as the read-only RDS controls could be updated
1360 in real-time.
1361 - Changing the EDID doesn't wait 100 ms before setting the HPD signal.