Home
last modified time | relevance | path

Searched refs:capture (Results 1 – 25 of 668) sorted by relevance

12345678910>>...27

/Linux-v5.4/scripts/
Dbpf_helpers_doc.py46 capture = proto_re.match(self.proto)
47 res['ret_type'] = capture.group(1)
48 res['ret_star'] = capture.group(2)
49 res['name'] = capture.group(3)
52 args = capture.group(4).split(', ')
54 capture = arg_re.match(a)
56 'type' : capture.group(1),
57 'star' : capture.group(5),
58 'name' : capture.group(6)
91 capture = p.match(self.line)
[all …]
/Linux-v5.4/drivers/staging/vc04_services/bcm2835-camera/
Dbcm2835-camera.c208 if (!dev->capture.port) { in queue_setup()
217 sizes[0] < dev->capture.port->current_buffer.size) { in queue_setup()
221 dev->capture.port->current_buffer.size, in queue_setup()
230 size = dev->capture.port->current_buffer.size; in queue_setup()
237 if (*nbuffers < dev->capture.port->minimum_buffer.num) in queue_setup()
238 *nbuffers = dev->capture.port->minimum_buffer.num; in queue_setup()
240 dev->capture.port->current_buffer.num = *nbuffers; in queue_setup()
279 if (!dev->capture.port || !dev->capture.fmt) in buffer_prepare()
282 size = dev->capture.stride * dev->capture.height; in buffer_prepare()
306 return dev->capture.camera_port == in is_capturing()
[all …]
/Linux-v5.4/Documentation/admin-guide/kdump/
Dkdump.rst11 Kdump uses kexec to quickly boot to a dump-capture kernel whenever a
14 the reboot and is accessible to the dump-capture kernel.
24 the dump-capture kernel. This ensures that ongoing Direct Memory Access
25 (DMA) from the system kernel does not corrupt the dump-capture kernel.
26 The kexec -p command loads the dump-capture kernel into this reserved
31 region just before rebooting into the dump-capture kernel.
45 passed to the dump-capture kernel through the elfcorehdr= boot
50 With the dump-capture kernel, you can access the memory image through
104 Build the system and dump-capture kernels
108 1) Build a separate custom dump-capture kernel for capturing the
[all …]
/Linux-v5.4/Documentation/devicetree/bindings/sound/
Dmt8173-rt5650.txt10 - codec-capture : the subnode of rt5650 codec capture
11 Required codec-capture subnode properties:
12 - sound-dai: audio codec dai name on capture path
13 <&rt5650 0> : Default setting. Connect rt5650 I2S1 for capture. (dai_name = rt5645-aif1)
14 <&rt5650 1> : Connect rt5650 I2S2 for capture. (dai_name = rt5645-aif2)
27 codec-capture {
Dfsl,ssi.txt51 playback and capture to use different sample sizes and
60 - fsl,capture-dma: Phandle to a node for the DMA channel to use for
61 capture (recording) of audio. This is typically dictated
72 Notes on fsl,playback-dma and fsl,capture-dma:
75 and capture. On the MPC8610, for example, SSI1 must use DMA channel 0 for
76 playback and DMA channel 1 for capture. SSI2 must use DMA channel 2 for
77 playback and DMA channel 3 for capture. The developer can choose which
82 "fsl,playback-dma" and "fsl,capture-dma" must be marked as compatible with
Dxlnx,i2s.txt3 The IP supports I2S based playback/capture audio
7 "xlnx,i2s-receiver-1.0" for capture
9 Required property common to both I2S playback and capture:
/Linux-v5.4/sound/soc/fsl/
Dmpc5200_dma.c43 if (psc_dma->capture.active && (isr & MPC52xx_PSC_IMR_ORERR)) in psc_dma_status_irq()
183 if (psc_dma->capture.active) in psc_dma_trigger()
224 s = &psc_dma->capture; in psc_dma_open()
250 s = &psc_dma->capture; in psc_dma_close()
255 !psc_dma->capture.active) { in psc_dma_close()
274 s = &psc_dma->capture; in psc_dma_pointer()
414 psc_dma->capture.psc_dma = psc_dma; in mpc5200_audio_dma_create()
420 psc_dma->capture.bcom_task = in mpc5200_audio_dma_create()
424 if (!psc_dma->capture.bcom_task || in mpc5200_audio_dma_create()
458 psc_dma->capture.irq = in mpc5200_audio_dma_create()
[all …]
/Linux-v5.4/Documentation/ABI/testing/
Dconfigfs-usb-gadget-uac17 c_chmask - capture channel mask
8 c_srate - capture sampling rate
9 c_ssize - capture sample size (bytes)
14 for both capture and playback
Dconfigfs-usb-gadget-uac27 c_chmask - capture channel mask
8 c_srate - capture sampling rate
9 c_ssize - capture sample size (bytes)
/Linux-v5.4/drivers/media/platform/davinci/
DKconfig19 tristate "TI DaVinci VPIF video capture driver"
26 Enables Davinci VPIF module used for capture devices.
27 This module is used for capture on TI DM6467/DA850/OMAPL138
34 tristate "TI DM6446 CCDC video capture driver"
44 video frame capture from slave decoders.
50 tristate "TI DM355 CCDC video capture driver"
60 video frame capture from a slave decoders
66 tristate "TI DM365 ISIF video capture driver"
73 configuring ISIF in VPFE to capture Raw Bayer RGB data from
/Linux-v5.4/Documentation/media/uapi/v4l/
Ddev-capture.rst16 Video capture devices sample an analog video signal and store the
17 digitized images in memory. Today nearly all devices can capture at full
19 capture process and move images from the driver into user space.
21 Conventionally V4L2 video capture devices are accessed through character
33 Devices supporting the video capture interface set the
39 (``V4L2_CAP_VIDEO_OVERLAY``) and the :ref:`raw VBI capture <raw-vbi>`
48 Video capture devices shall support :ref:`audio input <audio>`,
53 capture devices.
59 The result of a capture operation is determined by cropping and image
61 capture, the latter how images are stored in memory, i. e. in RGB or YUV
[all …]
Dvidioc-g-fmt.rst52 type. For example video capture devices use
56 the respective member of the ``fmt`` union. In case of video capture
114 capture and output devices.
119 capture and output devices that support the
129 - Raw VBI capture or output parameters. This is discussed in more
130 detail in :ref:`raw-vbi`. Used by raw VBI capture and output
135 - Sliced VBI capture or output parameters. See :ref:`sliced` for
136 details. Used by sliced VBI capture and output devices.
141 capture and output devices.
146 metadata capture devices.
/Linux-v5.4/drivers/media/usb/stk1160/
DKconfig3 tristate "STK1160 USB video capture support"
7 This is a video4linux driver for STK1160 based video capture devices.
12 This driver only provides support for video capture. For audio
13 capture, you need to select the snd-usb-audio driver (i.e.
/Linux-v5.4/Documentation/media/v4l-drivers/
Dimx.rst10 handles the flow of image frames to and from capture devices and
13 For image capture, the IPU contains the following internal subunits:
23 memory. Various dedicated DMA channels exist for both video capture and
31 The CSI is the backend capture unit that interfaces directly with
64 outside the IPU that are also involved in video capture on i.MX:
81 that correspond to the hardware video capture pipelines supported in
87 video capture interfaces using independent entities.
175 source pad is routed to a capture device node, with a node name of the
176 format "ipuX_csiY capture".
181 order, the capture device linked to the IDMAC source pad can capture
[all …]
Dimx7.rst11 manipulation of the capture frames are less feature rich.
13 For image capture the i.MX7 has three units:
61 routed to a capture device node.
67 that access controls only from video device nodes, the capture device interfaces
69 can be accessed either directly from the subdev or from the active capture
71 sensor subdevs or from the active capture device.
77 CSI-2 receiver. The following example configures a video capture pipeline with
86 media-ctl -l "'csi':1 -> 'csi capture':0[1]"
121 -> "csi capture":0 [ENABLED]
123 - entity 4: csi capture (1 pad, 1 link)
Dfimc.rst27 - camera parallel interface capture (ITU-R.BT601/565);
28 - camera serial interface capture (MIPI-CSI2);
47 - camera capture video device driver
48 drivers/media/platform/exynos4-is/fimc-capture.c
76 viewfinder and still capture setup).
86 capture video node operation on same FIMC instance is not allowed. The driver
96 At the capture and mem-to-mem video nodes only the multi-planar API is
99 Camera capture subdevs
113 In typical use case there could be a following capture pipeline configuration:
121 The sysfs entry allows to instruct the capture node driver not to configure
[all …]
Divtv.rst25 Open Source driver implementation for video capture cards based on the
31 * Hardware mpeg2 capture of broadcast video (and sound) via the tuner or
33 * Hardware mpeg2 capture of FM radio where hardware support exists
96 /dev/video0 is listed as the 'base' encoding capture device so we have:
98 - /dev/video0 is the encoding capture device for the first card (card 0)
99 - /dev/video1 is the encoding capture device for the second card (card 1)
100 - /dev/video2 is the encoding capture device for the third card (card 2)
104 the card number to the base device number'. If you have other capture
113 The encoding capture device(s).
142 The raw audio capture device(s).
[all …]
Dpxa_camera.rst26 capture. The new buffers are "appended" at the tail of the DMA chain, and
43 | STOP | | Wait for capture start |
50 |capture list empty / | Q | | DQ | | QCI Irq EOF |
59 | | capture list / running | DMA Irq End | not |
91 - first buffer queued for capture
92 Once a first buffer is queued for capture, the QCI is started, but data
95 - capture of one videobuffer
170 - Videobuffer3 capture is not scheduled on DMA chain (as it stopped !!!)
185 pcdev->capture list. If that's the case, the capture will be restarted,
Dmeye.rst57 gbuffers: number of capture buffers, default is 2 (32 max)
59 gbufsize: size of each capture buffer, default is 614400
81 for display and uncompressed video capture:
98 agc, video framerate), the shapshot and the MJPEG capture facilities.
112 Queue a buffer for capture (the buffers must have been
115 buffer number to queue (or -1 to end capture). The first
116 call to MEYEIOC_QBUF_CAPT starts the streaming capture.
/Linux-v5.4/drivers/pwm/
Dpwm-stm32.c29 u32 capture[4] ____cacheline_aligned; /* DMA'able buffer */ member
130 ret = stm32_timers_dma_burst_read(parent, priv->capture, dma_id, ccr, 2, in stm32_pwm_raw_capture()
136 if (priv->capture[0] <= priv->capture[2]) in stm32_pwm_raw_capture()
137 *raw_prd = priv->capture[2] - priv->capture[0]; in stm32_pwm_raw_capture()
139 *raw_prd = priv->max_arr - priv->capture[0] + priv->capture[2]; in stm32_pwm_raw_capture()
144 else if (priv->capture[0] <= priv->capture[3]) in stm32_pwm_raw_capture()
145 *raw_dty = priv->capture[3] - priv->capture[0]; in stm32_pwm_raw_capture()
147 *raw_dty = priv->max_arr - priv->capture[0] + priv->capture[3]; in stm32_pwm_raw_capture()
487 .capture = IS_ENABLED(CONFIG_DMA_ENGINE) ? stm32_pwm_capture : NULL,
/Linux-v5.4/sound/soc/sh/rcar/
Dcore.c242 io = &rdai->capture; in rsnd_mod_interrupt()
698 return &rdai->capture; in rsnd_rdai_to_io()
1000 is_play ? &rdai->playback : &rdai->capture, in rsnd_soc_dai_startup()
1004 is_play ? &rdai->playback : &rdai->capture, in rsnd_soc_dai_startup()
1121 struct device_node *capture) in rsnd_parse_connect_common() argument
1136 if (np == capture) in rsnd_parse_connect_common()
1137 rsnd_dai_connect(mod, &rdai->capture, mod->type); in rsnd_parse_connect_common()
1222 ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); in rsnd_pcm_new()
1231 ret = rsnd_preallocate_pages(rtd, &rdai->capture, in rsnd_pcm_new()
1243 struct device_node *playback, *capture; in __rsnd_dai_probe() local
[all …]
/Linux-v5.4/sound/soc/xilinx/
Dxlnx_i2s.c146 dai_drv->capture.stream_name = "Capture"; in xlnx_i2s_probe()
147 dai_drv->capture.formats = format; in xlnx_i2s_probe()
148 dai_drv->capture.channels_min = ch; in xlnx_i2s_probe()
149 dai_drv->capture.channels_max = ch; in xlnx_i2s_probe()
150 dai_drv->capture.rates = SNDRV_PCM_RATE_8000_192000; in xlnx_i2s_probe()
/Linux-v5.4/sound/drivers/vx/
Dvx_mixer.c204 static int vx_adjust_audio_level(struct vx_core *chip, int audio, int capture, in vx_adjust_audio_level() argument
213 if (capture) in vx_adjust_audio_level()
243 static int vx_read_audio_level(struct vx_core *chip, int audio, int capture,
251 if (capture)
302 static int vx_set_audio_gain(struct vx_core *chip, int audio, int capture, int level) in vx_set_audio_gain() argument
309 chip->audio_gain[capture][audio] = level; in vx_set_audio_gain()
310 return vx_adjust_audio_level(chip, audio, capture, &info); in vx_set_audio_gain()
362 static int vx_get_audio_vu_meter(struct vx_core *chip, int audio, int capture, struct vx_vu_meter *… in vx_get_audio_vu_meter() argument
372 if (capture) in vx_get_audio_vu_meter()
572 int capture = (kcontrol->private_value >> 8) & 1; in vx_audio_gain_get() local
[all …]
/Linux-v5.4/sound/soc/sh/
Dsiu_dai.c58 struct format_flag capture; member
71 .capture = {
85 .capture = {
134 siu_write32(base + SIU_SBDVCB, port_info->capture.volume); in siu_dai_start()
370 vol = port_info->capture.volume; in siu_dai_get_volume()
414 cur_vol = port_info->capture.volume; in siu_dai_put_volume()
416 port_info->capture.volume = new_vol; in siu_dai_put_volume()
463 (*port_info)->capture.volume = DFLT_VOLUME_LEVEL; in siu_init_port()
532 if (WARN_ON(port_info->playback.rw_flg || port_info->capture.rw_flg)) in siu_dai_shutdown()
558 siu_stream = &port_info->capture; in siu_dai_prepare()
[all …]
Dsiu_pcm.c155 struct siu_stream *siu_stream = &port_info->capture; in siu_pcm_rd_set()
243 struct siu_stream *siu_stream = &port_info->capture; in siu_pcm_stmread_start()
265 struct siu_stream *siu_stream = &port_info->capture; in siu_pcm_stmread_stop()
310 siu_stream = &port_info->capture; in siu_pcm_hw_free()
352 siu_stream = &port_info->capture; in siu_pcm_open()
382 siu_stream = &port_info->capture; in siu_pcm_close()
404 siu_stream = &port_info->capture; in siu_pcm_prepare()
493 siu_stream = &port_info->capture; in siu_pcm_pointer_dma()
553 tasklet_init(&(*port_info)->capture.tasklet, siu_io_tasklet, in siu_pcm_new()
554 (unsigned long)&(*port_info)->capture); in siu_pcm_new()
[all …]

12345678910>>...27