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/Documentation/userspace-api/media/drivers/
Daspeed-video.rst9 video compressions with a wide range of video quality and compression ratio
16 Support 2-pass (high quality) video compression scheme (Patent pending by
17 ASPEED). Provide visually lossless video compression quality or to reduce
32 Enable/Disable ASPEED's High quality mode. This is a private control
33 that can be used to enable high quality for aspeed proprietary mode.
47 Define the quality of ASPEED's High quality mode. This is a private control
48 that can be used to decide compression quality if High quality mode enabled
49 . Higher the value, better the quality and bigger the size.
/Documentation/devicetree/bindings/rng/
Dtimeriomem_rng.yaml20 quality:
25 Defaults to zero which causes the kernel's default quality to be used
26 instead. Note that the default quality is usually zero which disables
/Documentation/userspace-api/media/v4l/
Dext-ctrls-jpeg.rst64 .. _jpeg-quality-control:
67 Determines trade-off between image quality and size.
68 It provides simpler method for applications to control image quality,
77 where larger values correspond to better image quality.
Dvidioc-g-jpegcomp.rst39 :ref:`JPEG class controls <jpeg-controls>` for image quality and JPEG
67 - ``quality``
69 :ref:`V4L2_CID_JPEG_COMPRESSION_QUALITY <jpeg-quality-control>`
Dvidioc-g-parm.rst235 - High quality imaging mode. High quality mode is intended for still
237 quality that the hardware can deliver. It is not defined how the
239 the ingenuity of the driver writer. High quality mode is a
241 high quality mode:
Dstreaming-par.rst11 as well as I/O. Presently applications can request a high quality
Dext-ctrls-codec.rst578 - Constant quality
591 Constant quality level control. This control is applicable when
594 where 1 indicates lowest quality and 100 indicates highest quality.
596 bitrate to produce requested frame quality.
1274 quality to a range. Valid range: from 0 to 51. If
1280 quality to a range. Valid range: from 0 to 51. If
1286 quality to a range. Valid range: from 0 to 51. If
1292 quality to a range. Valid range: from 0 to 51. If
1298 quality to a range. Valid range: from 0 to 51. If
1304 quality to a range. Valid range: from 0 to 51. If
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/Documentation/devicetree/bindings/sound/
Dfsl,mqs.yaml7 title: NXP Medium Quality Sound (MQS)
14 Medium quality sound (MQS) is used to generate medium quality audio
/Documentation/driver-api/media/drivers/
Dvidtv.rst18 - A fake tuner driver, which will report a bad signal quality if the chosen
22 - A fake demod driver, which will constantly poll the fake signal quality
80 Probability of losing the TS lock if the signal quality is bad.
82 eventually return a status of 0 when the signal quality is not
88 return a status of 0x1f when/if the signal quality improves.
402 …Lock (0x1f) Quality= Good Signal= -34.66dBm C/N= 33.41dB UCB= 0 postBER= 0 preBER= 1.05x10^-3 PE…
403 …Lock (0x1f) Quality= Good Signal= -34.57dBm C/N= 33.46dB UCB= 0 postBER= 0 preBER= 1.05x10^-3 PE…
406 …Lock (0x1f) Quality= Good Signal= -34.42dBm C/N= 33.89dB UCB= 0 postBER= 0 preBER= 2.44x10^-3 PE…
477 report a bad signal quality.
479 A nice addition is to simulate some noise when the signal quality is bad by:
Dzoran.rst393 the quality/buffersize during capture (see 'Concerning buffer sizes, quality,
446 Concerning buffer sizes, quality, output size etc.
457 100% JPEG quality is thus 1:2 compression in practice. So for a full PAL frame
523 Conclusion: the quality of the resulting movie depends on buffer size, quality,
527 If you experience timeouts, lowering the quality/buffersize or using
538 notes given in question 3 and try lowering quality/buffersize/capturesize
/Documentation/devicetree/bindings/iio/chemical/
Dsensirion,scd4x.yaml13 Air quality sensor capable of measuring co2 concentration, temperature
Dams,ccs811.yaml13 Ultra-Low Power Digital Gas Sensor for Monitoring Indoor Air Quality.
Dsensirion,scd30.yaml13 Air quality sensor capable of measuring co2 concentration, temperature
Dsciosense,ens160.yaml13 Digital Multi-Gas Sensor for Monitoring Indoor Air Quality.
/Documentation/userspace-api/media/dvb/
Ddvb-fe-read-status.rst11 tuner lock status and provide statistics about the quality of the
/Documentation/devicetree/bindings/media/i2c/
Dtvp514x.txt3 The TVP5146/TVP5146m2/TVP5147/TVP5147m1 device is high quality, single-chip
/Documentation/devicetree/bindings/serial/
Dserial-peripheral-props.yaml25 signal quality issue or the host processor can't support higher
/Documentation/input/devices/
Dcs461x.rst19 The sensitivity and calibrate quality have not been tested; the two
/Documentation/networking/
Dtcp-thin.rst14 the service quality. Extreme latencies are caused by TCP's
/Documentation/devicetree/bindings/mfd/
Dtwl6040.txt3 The TWL6040s are 8-channel high quality low-power audio codecs providing audio,
/Documentation/trace/coresight/
Dcoresight-perf.rst128 data needed. This is about tracking quality and amount of data
130 quality of traces.
/Documentation/driver-api/
Di2c.rst9 conserving board real estate and minimizing signal quality issues. Most
/Documentation/devicetree/bindings/input/touchscreen/
Dti,am3359-tsc.yaml29 multiple reads can increase the quality. A value of 5 means, 5 reads for
/Documentation/filesystems/ext4/
Dallocators.rst7 generally a desirably quality of a filesystem. On a spinning disk,
/Documentation/devicetree/bindings/display/mediatek/
Dmediatek,color.yaml15 saturation adjustments to get better picture quality and to have one panel

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