cregit-Linux how code gets into the kernel

Release 4.11 drivers/media/platform/vivid/vivid-vid-common.c

/*
 * vivid-vid-common.c - common video support functions.
 *
 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
 *
 * This program is free software; you may redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/videodev2.h>
#include <linux/v4l2-dv-timings.h>
#include <media/v4l2-common.h>
#include <media/v4l2-event.h>
#include <media/v4l2-dv-timings.h>

#include "vivid-core.h"
#include "vivid-vid-common.h"


const struct v4l2_dv_timings_cap vivid_dv_timings_cap = {
	.type = V4L2_DV_BT_656_1120,
	/* keep this initialization for compatibility with GCC < 4.4.6 */
	.reserved = { 0 },
	V4L2_INIT_BT_TIMINGS(0, MAX_WIDTH, 0, MAX_HEIGHT, 14000000, 775000000,
		V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
                V4L2_DV_BT_STD_CVT | V4L2_DV_BT_STD_GTF,
		V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_INTERLACED)
};

/* ------------------------------------------------------------------
        Basic structures
   ------------------------------------------------------------------*/


struct vivid_fmt vivid_formats[] = {
	{
		.fourcc   = V4L2_PIX_FMT_YUYV,
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 1,
		.buffers = 1,
		.data_offset = { PLANE0_DATA_OFFSET },
        },
	{
		.fourcc   = V4L2_PIX_FMT_UYVY,
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YVYU,
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_VYUY,
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YUV422P,
		.vdownsampling = { 1, 1, 1 },
		.bit_depth = { 8, 4, 4 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 3,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YUV420,
		.vdownsampling = { 1, 2, 2 },
		.bit_depth = { 8, 4, 4 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 3,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YVU420,
		.vdownsampling = { 1, 2, 2 },
		.bit_depth = { 8, 4, 4 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 3,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_NV12,
		.vdownsampling = { 1, 2 },
		.bit_depth = { 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_NV21,
		.vdownsampling = { 1, 2 },
		.bit_depth = { 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_NV16,
		.vdownsampling = { 1, 1 },
		.bit_depth = { 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_NV61,
		.vdownsampling = { 1, 1 },
		.bit_depth = { 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_NV24,
		.vdownsampling = { 1, 1 },
		.bit_depth = { 8, 16 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_NV42,
		.vdownsampling = { 1, 1 },
		.bit_depth = { 8, 16 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YUV555, /* uuuvvvvv ayyyyyuu */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
		.alpha_mask = 0x8000,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YUV565, /* uuuvvvvv yyyyyuuu */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YUV444, /* uuuuvvvv aaaayyyy */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
		.alpha_mask = 0xf000,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YUV32, /* ayuv */
		.vdownsampling = { 1 },
		.bit_depth = { 32 },
		.planes   = 1,
		.buffers = 1,
		.alpha_mask = 0x000000ff,
        },
	{
		.fourcc   = V4L2_PIX_FMT_GREY,
		.vdownsampling = { 1 },
		.bit_depth = { 8 },
		.color_enc = TGP_COLOR_ENC_LUMA,
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_Y16,
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.color_enc = TGP_COLOR_ENC_LUMA,
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_Y16_BE,
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.color_enc = TGP_COLOR_ENC_LUMA,
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_RGB332, /* rrrgggbb */
		.vdownsampling = { 1 },
		.bit_depth = { 8 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
		.can_do_overlay = true,
        },
	{
		.fourcc   = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
		.can_do_overlay = true,
        },
	{
		.fourcc   = V4L2_PIX_FMT_RGB444, /* xxxxrrrr ggggbbbb */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_XRGB444, /* xxxxrrrr ggggbbbb */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_ARGB444, /* aaaarrrr ggggbbbb */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
		.alpha_mask = 0x00f0,
        },
	{
		.fourcc   = V4L2_PIX_FMT_RGB555, /* gggbbbbb xrrrrrgg */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
		.can_do_overlay = true,
        },
	{
		.fourcc   = V4L2_PIX_FMT_XRGB555, /* gggbbbbb xrrrrrgg */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
		.can_do_overlay = true,
        },
	{
		.fourcc   = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
		.can_do_overlay = true,
		.alpha_mask = 0x8000,
        },
	{
		.fourcc   = V4L2_PIX_FMT_RGB555X, /* xrrrrrgg gggbbbbb */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_XRGB555X, /* xrrrrrgg gggbbbbb */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_ARGB555X, /* arrrrrgg gggbbbbb */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
		.alpha_mask = 0x0080,
        },
	{
		.fourcc   = V4L2_PIX_FMT_RGB24, /* rgb */
		.vdownsampling = { 1 },
		.bit_depth = { 24 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_BGR24, /* bgr */
		.vdownsampling = { 1 },
		.bit_depth = { 24 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_BGR666, /* bbbbbbgg ggggrrrr rrxxxxxx */
		.vdownsampling = { 1 },
		.bit_depth = { 32 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_RGB32, /* xrgb */
		.vdownsampling = { 1 },
		.bit_depth = { 32 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_BGR32, /* bgrx */
		.vdownsampling = { 1 },
		.bit_depth = { 32 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_XRGB32, /* xrgb */
		.vdownsampling = { 1 },
		.bit_depth = { 32 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_XBGR32, /* bgrx */
		.vdownsampling = { 1 },
		.bit_depth = { 32 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_ARGB32, /* argb */
		.vdownsampling = { 1 },
		.bit_depth = { 32 },
		.planes   = 1,
		.buffers = 1,
		.alpha_mask = 0x000000ff,
        },
	{
		.fourcc   = V4L2_PIX_FMT_ABGR32, /* bgra */
		.vdownsampling = { 1 },
		.bit_depth = { 32 },
		.planes   = 1,
		.buffers = 1,
		.alpha_mask = 0xff000000,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SBGGR8, /* Bayer BG/GR */
		.vdownsampling = { 1 },
		.bit_depth = { 8 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SGBRG8, /* Bayer GB/RG */
		.vdownsampling = { 1 },
		.bit_depth = { 8 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SGRBG8, /* Bayer GR/BG */
		.vdownsampling = { 1 },
		.bit_depth = { 8 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SRGGB8, /* Bayer RG/GB */
		.vdownsampling = { 1 },
		.bit_depth = { 8 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SBGGR10, /* Bayer BG/GR */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SGBRG10, /* Bayer GB/RG */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SGRBG10, /* Bayer GR/BG */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SRGGB10, /* Bayer RG/GB */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SBGGR12, /* Bayer BG/GR */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SGBRG12, /* Bayer GB/RG */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SGRBG12, /* Bayer GR/BG */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_SRGGB12, /* Bayer RG/GB */
		.vdownsampling = { 1 },
		.bit_depth = { 16 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_HSV24, /* HSV 24bits */
		.color_enc = TGP_COLOR_ENC_HSV,
		.vdownsampling = { 1 },
		.bit_depth = { 24 },
		.planes   = 1,
		.buffers = 1,
        },
	{
		.fourcc   = V4L2_PIX_FMT_HSV32, /* HSV 32bits */
		.color_enc = TGP_COLOR_ENC_HSV,
		.vdownsampling = { 1 },
		.bit_depth = { 32 },
		.planes   = 1,
		.buffers = 1,
        },

	/* Multiplanar formats */

	{
		.fourcc   = V4L2_PIX_FMT_NV16M,
		.vdownsampling = { 1, 1 },
		.bit_depth = { 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 2,
		.data_offset = { PLANE0_DATA_OFFSET, 0 },
        },
	{
		.fourcc   = V4L2_PIX_FMT_NV61M,
		.vdownsampling = { 1, 1 },
		.bit_depth = { 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 2,
		.data_offset = { 0, PLANE0_DATA_OFFSET },
        },
	{
		.fourcc   = V4L2_PIX_FMT_YUV420M,
		.vdownsampling = { 1, 2, 2 },
		.bit_depth = { 8, 4, 4 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 3,
		.buffers = 3,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YVU420M,
		.vdownsampling = { 1, 2, 2 },
		.bit_depth = { 8, 4, 4 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 3,
		.buffers = 3,
        },
	{
		.fourcc   = V4L2_PIX_FMT_NV12M,
		.vdownsampling = { 1, 2 },
		.bit_depth = { 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 2,
        },
	{
		.fourcc   = V4L2_PIX_FMT_NV21M,
		.vdownsampling = { 1, 2 },
		.bit_depth = { 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 2,
		.buffers = 2,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YUV422M,
		.vdownsampling = { 1, 1, 1 },
		.bit_depth = { 8, 4, 4 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 3,
		.buffers = 3,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YVU422M,
		.vdownsampling = { 1, 1, 1 },
		.bit_depth = { 8, 4, 4 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 3,
		.buffers = 3,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YUV444M,
		.vdownsampling = { 1, 1, 1 },
		.bit_depth = { 8, 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 3,
		.buffers = 3,
        },
	{
		.fourcc   = V4L2_PIX_FMT_YVU444M,
		.vdownsampling = { 1, 1, 1 },
		.bit_depth = { 8, 8, 8 },
		.color_enc = TGP_COLOR_ENC_YCBCR,
		.planes   = 3,
		.buffers = 3,
        },
};

/* There are this many multiplanar formats in the list */

#define VIVID_MPLANAR_FORMATS 10


const struct vivid_fmt *vivid_get_format(struct vivid_dev *dev, u32 pixelformat) { const struct vivid_fmt *fmt; unsigned k; for (k = 0; k < ARRAY_SIZE(vivid_formats); k++) { fmt = &vivid_formats[k]; if (fmt->fourcc == pixelformat) if (fmt->buffers == 1 || dev->multiplanar) return fmt; } return NULL; }

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bool vivid_vid_can_loop(struct vivid_dev *dev) { if (dev->src_rect.width != dev->sink_rect.width || dev->src_rect.height != dev->sink_rect.height) return false; if (dev->fmt_cap->fourcc != dev->fmt_out->fourcc) return false; if (dev->field_cap != dev->field_out) return false; /* * While this can be supported, it is just too much work * to actually implement. */ if (dev->field_cap == V4L2_FIELD_SEQ_TB || dev->field_cap == V4L2_FIELD_SEQ_BT) return false; if (vivid_is_svid_cap(dev) && vivid_is_svid_out(dev)) { if (!(dev->std_cap & V4L2_STD_525_60) != !(dev->std_out & V4L2_STD_525_60)) return false; return true; } if (vivid_is_hdmi_cap(dev) && vivid_is_hdmi_out(dev)) return true; return false; }

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void vivid_send_source_change(struct vivid_dev *dev, unsigned type) { struct v4l2_event ev = { .type = V4L2_EVENT_SOURCE_CHANGE, .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, }; unsigned i; for (i = 0; i < dev->num_inputs; i++) { ev.id = i; if (dev->input_type[i] == type) { if (video_is_registered(&dev->vid_cap_dev) && dev->has_vid_cap) v4l2_event_queue(&dev->vid_cap_dev, &ev); if (video_is_registered(&dev->vbi_cap_dev) && dev->has_vbi_cap) v4l2_event_queue(&dev->vbi_cap_dev, &ev); } } }

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/* * Conversion function that converts a single-planar format to a * single-plane multiplanar format. */
void fmt_sp2mp(const struct v4l2_format *sp_fmt, struct v4l2_format *mp_fmt) { struct v4l2_pix_format_mplane *mp = &mp_fmt->fmt.pix_mp; struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0]; const struct v4l2_pix_format *pix = &sp_fmt->fmt.pix; bool is_out = sp_fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT; memset(mp->reserved, 0, sizeof(mp->reserved)); mp_fmt->type = is_out ? V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE : V4L2_CAP_VIDEO_CAPTURE_MPLANE; mp->width = pix->width; mp->height = pix->height; mp->pixelformat = pix->pixelformat; mp->field = pix->field; mp->colorspace = pix->colorspace; mp->xfer_func = pix->xfer_func; /* Also copies hsv_enc */ mp->ycbcr_enc = pix->ycbcr_enc; mp->quantization = pix->quantization; mp->num_planes = 1; mp->flags = pix->flags; ppix->sizeimage = pix->sizeimage; ppix->bytesperline = pix->bytesperline; memset(ppix->reserved, 0, sizeof(ppix->reserved)); }

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Ricardo Ribalda Delgado10.50%125.00%
Total200100.00%4100.00%


int fmt_sp2mp_func(struct file *file, void *priv, struct v4l2_format *f, fmtfunc func) { struct v4l2_format fmt; struct v4l2_pix_format_mplane *mp = &fmt.fmt.pix_mp; struct v4l2_plane_pix_format *ppix = &mp->plane_fmt[0]; struct v4l2_pix_format *pix = &f->fmt.pix; int ret; /* Converts to a mplane format */ fmt_sp2mp(f, &fmt); /* Passes it to the generic mplane format function */ ret = func(file, priv, &fmt); /* Copies back the mplane data to the single plane format */ pix->width = mp->width; pix->height = mp->height; pix->pixelformat = mp->pixelformat; pix->field = mp->field; pix->colorspace = mp->colorspace; pix->xfer_func = mp->xfer_func; /* Also copies hsv_enc */ pix->ycbcr_enc = mp->ycbcr_enc; pix->quantization = mp->quantization; pix->sizeimage = ppix->sizeimage; pix->bytesperline = ppix->bytesperline; pix->flags = mp->flags; return ret; }

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PersonTokensPropCommitsCommitProp
Hans Verkuil18099.45%375.00%
Ricardo Ribalda Delgado10.55%125.00%
Total181100.00%4100.00%


int vivid_vid_adjust_sel(unsigned flags, struct v4l2_rect *r) { unsigned w = r->width; unsigned h = r->height; /* sanitize w and h in case someone passes ~0 as the value */ w &= 0xffff; h &= 0xffff; if (!(flags & V4L2_SEL_FLAG_LE)) { w++; h++; if (w < 2) w = 2; if (h < 2) h = 2; } if (!(flags & V4L2_SEL_FLAG_GE)) { if (w > MAX_WIDTH) w = MAX_WIDTH; if (h > MAX_HEIGHT) h = MAX_HEIGHT; } w = w & ~1; h = h & ~1; if (w < 2 || h < 2) return -ERANGE; if (w > MAX_WIDTH || h > MAX_HEIGHT) return -ERANGE; if (r->top < 0) r->top = 0; if (r->left < 0) r->left = 0; /* sanitize left and top in case someone passes ~0 as the value */ r->left &= 0xfffe; r->top &= 0xfffe; if (r->left + w > MAX_WIDTH) r->left = MAX_WIDTH - w; if (r->top + h > MAX_HEIGHT) r->top = MAX_HEIGHT - h; if ((flags & (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE)) == (V4L2_SEL_FLAG_GE | V4L2_SEL_FLAG_LE) && (r->width != w || r->height != h)) return -ERANGE; r->width = w; r->height = h; return 0; }

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PersonTokensPropCommitsCommitProp
Hans Verkuil274100.00%2100.00%
Total274100.00%2100.00%


int vivid_enum_fmt_vid(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct vivid_dev *dev = video_drvdata(file); const struct vivid_fmt *fmt; if (f->index >= ARRAY_SIZE(vivid_formats) - (dev->multiplanar ? 0 : VIVID_MPLANAR_FORMATS)) return -EINVAL; fmt = &vivid_formats[f->index]; f->pixelformat = fmt->fourcc; return 0; }

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PersonTokensPropCommitsCommitProp
Hans Verkuil81100.00%1100.00%
Total81100.00%1100.00%


int vidioc_enum_fmt_vid_mplane(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct vivid_dev *dev = video_drvdata(file); if (!dev->multiplanar) return -ENOTTY; return vivid_enum_fmt_vid(file, priv, f); }

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PersonTokensPropCommitsCommitProp
Hans Verkuil50100.00%1100.00%
Total50100.00%1100.00%


int vidioc_enum_fmt_vid(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct vivid_dev *dev = video_drvdata(file); if (dev->multiplanar) return -ENOTTY; return vivid_enum_fmt_vid(file, priv, f); }

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PersonTokensPropCommitsCommitProp
Hans Verkuil49100.00%1100.00%
Total49100.00%1100.00%


int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) { struct vivid_dev *dev = video_drvdata(file); struct video_device *vdev = video_devdata(file); if (vdev->vfl_dir == VFL_DIR_RX) { if (!vivid_is_sdtv_cap(dev)) return -ENODATA; *id = dev->std_cap; } else { if (!vivid_is_svid_out(dev)) return -ENODATA; *id = dev->std_out; } return 0; }

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PersonTokensPropCommitsCommitProp
Hans Verkuil92100.00%1100.00%
Total92100.00%1100.00%


int vidioc_g_dv_timings(struct file *file, void *_fh, struct v4l2_dv_timings *timings) { struct vivid_dev *dev = video_drvdata(file); struct video_device *vdev = video_devdata(file); if (vdev->vfl_dir == VFL_DIR_RX) { if (!vivid_is_hdmi_cap(dev)) return -ENODATA; *timings = dev->dv_timings_cap; } else { if (!vivid_is_hdmi_out(dev)) return -ENODATA; *timings = dev->dv_timings_out; } return 0; }

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PersonTokensPropCommitsCommitProp
Hans Verkuil93100.00%1100.00%
Total93100.00%1100.00%


int vidioc_enum_dv_timings(struct file *file, void *_fh, struct v4l2_enum_dv_timings *timings) { struct vivid_dev *dev = video_drvdata(file); struct video_device *vdev = video_devdata(file); if (vdev->vfl_dir == VFL_DIR_RX) { if (!vivid_is_hdmi_cap(dev)) return -ENODATA; } else { if (!vivid_is_hdmi_out(dev)) return -ENODATA; } return v4l2_enum_dv_timings_cap(timings, &vivid_dv_timings_cap, NULL, NULL); }

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PersonTokensPropCommitsCommitProp
Hans Verkuil89100.00%1100.00%
Total89100.00%1100.00%


int vidioc_dv_timings_cap(struct file *file, void *_fh, struct v4l2_dv_timings_cap *cap) { struct vivid_dev *dev = video_drvdata(file); struct video_device *vdev = video_devdata(file); if (vdev->vfl_dir == VFL_DIR_RX) { if (!vivid_is_hdmi_cap(dev)) return -ENODATA; } else { if (!vivid_is_hdmi_out(dev)) return -ENODATA; } *cap = vivid_dv_timings_cap; return 0; }

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PersonTokensPropCommitsCommitProp
Hans Verkuil84100.00%1100.00%
Total84100.00%1100.00%


int vidioc_g_edid(struct file *file, void *_fh, struct v4l2_edid *edid) { struct vivid_dev *dev = video_drvdata(file); struct video_device *vdev = video_devdata(file); struct cec_adapter *adap; memset(edid->reserved, 0, sizeof(edid->reserved)); if (vdev->vfl_dir == VFL_DIR_RX) { if (edid->pad >= dev->num_inputs) return -EINVAL; if (dev->input_type[edid->pad] != HDMI) return -EINVAL; adap = dev->cec_rx_adap; } else { unsigned int bus_idx; if (edid->pad >= dev->num_outputs) return -EINVAL; if (dev->output_type[edid->pad] != HDMI) return -EINVAL; bus_idx = dev->cec_output2bus_map[edid->pad]; adap = dev->cec_tx_adap[bus_idx]; } if (edid->start_block == 0 && edid->blocks == 0) { edid->blocks = dev->edid_blocks; return 0; } if (dev->edid_blocks == 0) return -ENODATA; if (edid->start_block >= dev->edid_blocks) return -EINVAL; if (edid->start_block + edid->blocks > dev->edid_blocks) edid->blocks = dev->edid_blocks - edid->start_block; memcpy(edid->edid, dev->edid, edid->blocks * 128); cec_set_edid_phys_addr(edid->edid, edid->blocks * 128, adap->phys_addr); return 0; }

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PersonTokensPropCommitsCommitProp
Hans Verkuil281100.00%2100.00%
Total281100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Hans Verkuil409995.35%1967.86%
Ricardo Ribalda Delgado1964.56%725.00%
Prashant Laddha30.07%13.57%
Mauro Carvalho Chehab10.02%13.57%
Total4299100.00%28100.00%
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