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strace/tests/ioctl_v4l2.c
Dmitry V. Levin c6782f144a tests: change the license to GPL-2.0-or-later 
strace test suite is now provided under the terms of the GNU General
Public License version 2 or later, see tests/COPYING for more details.
2018-12-10 00:00:00 +00:00

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/*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2016-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <linux/types.h>
#include <linux/videodev2.h>
#define cc0(arg) ((unsigned int) (unsigned char) (arg))
#define cc1(arg) ((unsigned int) (unsigned char) ((unsigned int) (arg) >> 8))
#define cc2(arg) ((unsigned int) (unsigned char) ((unsigned int) (arg) >> 16))
#define cc3(arg) ((unsigned int) (unsigned char) ((unsigned int) (arg) >> 24))
#define fourcc(a0, a1, a2, a3) \
((unsigned int)(a0) | \
((unsigned int)(a1) << 8) | \
((unsigned int)(a2) << 16) | \
((unsigned int)(a3) << 24))
static const unsigned int magic = 0xdeadbeef;
static const unsigned int pf_magic = fourcc('S', '5', '0', '8');
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_OUTPUT
static const unsigned int sf_magic = fourcc('R', 'U', '1', '2');
#endif
static void
init_v4l2_format(struct v4l2_format *const f,
const unsigned int buf_type)
{
memset(f, -1, sizeof(*f));
f->type = buf_type;
switch (buf_type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
f->fmt.pix.width = 0x657b8160;
f->fmt.pix.height = 0x951c0047;
if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
f->fmt.pix.pixelformat = magic;
else
f->fmt.pix.pixelformat = pf_magic;
f->fmt.pix.field = V4L2_FIELD_NONE;
f->fmt.pix.bytesperline = 0xdf20d185;
f->fmt.pix.sizeimage = 0x0cf7be41;
f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
break;
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: {
unsigned int i;
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
f->fmt.pix_mp.width = 0x1f3b774b;
f->fmt.pix_mp.height = 0xab96a8d6;
if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
f->fmt.pix_mp.pixelformat = magic;
else
f->fmt.pix_mp.pixelformat = pf_magic;
f->fmt.pix_mp.field = V4L2_FIELD_NONE;
f->fmt.pix_mp.colorspace = V4L2_COLORSPACE_JPEG;
struct v4l2_plane_pix_format *cur_pix =
f->fmt.pix_mp.plane_fmt;
for (i = 0;
i < ARRAY_SIZE(f->fmt.pix_mp.plane_fmt);
i++) {
cur_pix[i].sizeimage = 0x1e3c531c | i;
cur_pix[i].bytesperline = 0xa983d721 | i;
}
break;
}
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
#endif
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
f->fmt.win.w.left = 0xe8373662;
f->fmt.win.w.top = 0x0336d283;
f->fmt.win.w.width = 0x9235fe72;
f->fmt.win.w.height = 0xbbd886c8;
f->fmt.win.field = V4L2_FIELD_ANY;
f->fmt.win.chromakey = 0xdb1f991f;
f->fmt.win.clipcount = 2;
f->fmt.win.clips =
tail_alloc(sizeof(*f->fmt.win.clips) *
f->fmt.win.clipcount);
f->fmt.win.clips[0].c.left = 0x3313d36e;
f->fmt.win.clips[0].c.top = 0xcdffe510;
f->fmt.win.clips[0].c.width = 0x2064f3a8;
f->fmt.win.clips[0].c.height = 0xd06d314a;
f->fmt.win.clips[1].c.left = 0xd8c8a83f;
f->fmt.win.clips[1].c.top = 0x336e87ba;
f->fmt.win.clips[1].c.width = 0x9e3a6fb3;
f->fmt.win.clips[1].c.height = 0x05617b76;
f->fmt.win.bitmap = (void *) -2UL;
#ifdef HAVE_STRUCT_V4L2_WINDOW_GLOBAL_ALPHA
f->fmt.win.global_alpha = 0xce;
#endif
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
case V4L2_BUF_TYPE_VBI_OUTPUT:
f->fmt.vbi.sampling_rate = 0x3d9b5b79;
f->fmt.vbi.offset = 0x055b3a09;
f->fmt.vbi.samples_per_line = 0xf176d436;
if (buf_type == V4L2_BUF_TYPE_VBI_CAPTURE)
f->fmt.vbi.sample_format = magic;
else
f->fmt.vbi.sample_format = pf_magic;
f->fmt.vbi.start[0] = 0x9858e2eb;
f->fmt.vbi.start[1] = 0x8a4dc8c1;
f->fmt.vbi.count[0] = 0x4bcf36a3;
f->fmt.vbi.count[1] = 0x97dff65f;
f->fmt.vbi.flags = V4L2_VBI_INTERLACED;
break;
#if HAVE_DECL_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: {
unsigned int i;
f->fmt.sliced.service_set = V4L2_SLICED_VPS;
f->fmt.sliced.io_size = 0xd897925a;
for (i = 0;
i < ARRAY_SIZE(f->fmt.sliced.service_lines[0]);
i++) {
f->fmt.sliced.service_lines[0][i] = 0xc38e | i;
f->fmt.sliced.service_lines[1][i] = 0x3abb | i;
}
break;
}
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_OUTPUT
case V4L2_BUF_TYPE_SDR_OUTPUT:
f->fmt.sdr.pixelformat = sf_magic;
# ifdef HAVE_STRUCT_V4L2_SDR_FORMAT_BUFFERSIZE
f->fmt.sdr.buffersize = 0x25afabfb;
# endif
break;
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_CAPTURE
case V4L2_BUF_TYPE_SDR_CAPTURE:
f->fmt.sdr.pixelformat = magic;
# ifdef HAVE_STRUCT_V4L2_SDR_FORMAT_BUFFERSIZE
f->fmt.sdr.buffersize = 0x25afabfb;
# endif
break;
#endif
}
}
static void
dprint_ioctl_v4l2(struct v4l2_format *const f,
const char *request, const unsigned int buf_type,
const char *buf_type_string)
{
int saved_errno;
switch (buf_type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
saved_errno = errno;
printf("ioctl(-1, %s, {type=%s"
", fmt.pix={width=%u, height=%u, pixelformat=",
request,
buf_type_string,
f->fmt.pix.width, f->fmt.pix.height);
if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
printf("v4l2_fourcc('\\x%x', '\\x%x', '\\x%x', '\\x%x')",
cc0(magic), cc1(magic), cc2(magic), cc3(magic));
else
printf("v4l2_fourcc('%c', '%c', '%c', '%c') "
"/* V4L2_PIX_FMT_SPCA508 */",
cc0(pf_magic), cc1(pf_magic), cc2(pf_magic),
cc3(pf_magic));
errno = saved_errno;
printf(", field=V4L2_FIELD_NONE, bytesperline=%u, sizeimage=%u"
", colorspace=V4L2_COLORSPACE_JPEG}}) = -1 EBADF (%m)\n",
f->fmt.pix.bytesperline,
f->fmt.pix.sizeimage);
break;
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: {
unsigned int i;
saved_errno = errno;
printf("ioctl(-1, %s"
", {type=%s"
", fmt.pix_mp={width=%u, height=%u, pixelformat=",
request,
buf_type_string,
f->fmt.pix_mp.width, f->fmt.pix_mp.height);
if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
printf("v4l2_fourcc('\\x%x', '\\x%x', '\\x%x', '\\x%x')",
cc0(magic), cc1(magic), cc2(magic), cc3(magic));
else
printf("v4l2_fourcc('%c', '%c', '%c', '%c') "
"/* V4L2_PIX_FMT_SPCA508 */",
cc0(pf_magic), cc1(pf_magic), cc2(pf_magic),
cc3(pf_magic));
printf(", field=V4L2_FIELD_NONE, colorspace="
"V4L2_COLORSPACE_JPEG, plane_fmt=[");
for (i = 0;
i < ARRAY_SIZE(f->fmt.pix_mp.plane_fmt);
++i) {
if (i)
printf(", ");
printf("{sizeimage=%u, bytesperline=%u}",
f->fmt.pix_mp.plane_fmt[i].sizeimage,
f->fmt.pix_mp.plane_fmt[i].bytesperline);
}
errno = saved_errno;
printf("], num_planes=%u}}) = -1 EBADF (%m)\n",
f->fmt.pix_mp.num_planes);
break;
}
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
#endif
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
printf("ioctl(-1, %s, {type=%s"
", fmt.win={left=%d, top=%d, width=%u, height=%u"
", field=V4L2_FIELD_ANY, chromakey=%#x, clips="
"[{left=%d, top=%d, width=%u, height=%u}, "
"{left=%d, top=%d, width=%u, height=%u}]"
", clipcount=%u, bitmap=%p"
#ifdef HAVE_STRUCT_V4L2_WINDOW_GLOBAL_ALPHA
", global_alpha=%#x"
#endif
"}}) = -1 EBADF (%m)\n",
request,
buf_type_string,
f->fmt.win.w.left, f->fmt.win.w.top,
f->fmt.win.w.width, f->fmt.win.w.height,
f->fmt.win.chromakey,
f->fmt.win.clips[0].c.left,
f->fmt.win.clips[0].c.top,
f->fmt.win.clips[0].c.width,
f->fmt.win.clips[0].c.height,
f->fmt.win.clips[1].c.left,
f->fmt.win.clips[1].c.top,
f->fmt.win.clips[1].c.width,
f->fmt.win.clips[1].c.height,
f->fmt.win.clipcount, f->fmt.win.bitmap
#ifdef HAVE_STRUCT_V4L2_WINDOW_GLOBAL_ALPHA
, f->fmt.win.global_alpha
#endif
);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
case V4L2_BUF_TYPE_VBI_OUTPUT:
saved_errno = errno;
printf("ioctl(-1, %s, {type=%s"
", fmt.vbi={sampling_rate=%u, offset=%u"
", samples_per_line=%u, sample_format=",
request,
buf_type_string,
f->fmt.vbi.sampling_rate, f->fmt.vbi.offset,
f->fmt.vbi.samples_per_line);
if (buf_type == V4L2_BUF_TYPE_VBI_CAPTURE)
printf("v4l2_fourcc('\\x%x', '\\x%x', '\\x%x', '\\x%x')",
cc0(magic), cc1(magic), cc2(magic), cc3(magic));
else
printf("v4l2_fourcc('%c', '%c', '%c', '%c') "
"/* V4L2_PIX_FMT_SPCA508 */",
cc0(pf_magic), cc1(pf_magic), cc2(pf_magic),
cc3(pf_magic));
errno = saved_errno;
printf(", start=[%u, %u], count=[%u, %u]"
", flags=V4L2_VBI_INTERLACED}})"
" = -1 EBADF (%m)\n",
f->fmt.vbi.start[0], f->fmt.vbi.start[1],
f->fmt.vbi.count[0], f->fmt.vbi.count[1]);
break;
#if HAVE_DECL_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: {
unsigned int i, j;
printf("ioctl(-1, %s, {type=%s"
", fmt.sliced={service_set=V4L2_SLICED_VPS"
", io_size=%u, service_lines=[",
request,
buf_type_string,
f->fmt.sliced.io_size);
for (i = 0;
i < ARRAY_SIZE(f->fmt.sliced.service_lines);
i++) {
if (i > 0)
printf(", ");
printf("[");
for (j = 0;
j < ARRAY_SIZE(f->fmt.sliced.service_lines[0]);
j++) {
if (j > 0)
printf(", ");
printf("%#x",
f->fmt.sliced.service_lines[i][j]);
}
printf("]");
}
printf("]}}) = -1 EBADF (%m)\n");
break;
}
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_OUTPUT
case V4L2_BUF_TYPE_SDR_OUTPUT:
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_CAPTURE
case V4L2_BUF_TYPE_SDR_CAPTURE:
saved_errno = errno;
printf("ioctl(-1, %s, {type=%s"
", fmt.sdr={pixelformat=",
request,
buf_type_string);
if (buf_type == V4L2_BUF_TYPE_SDR_CAPTURE)
printf("v4l2_fourcc('\\x%x', '\\x%x', '\\x%x', '\\x%x')",
cc0(magic), cc1(magic), cc2(magic), cc3(magic));
# if HAVE_DECL_V4L2_BUF_TYPE_SDR_OUTPUT
else
printf("v4l2_fourcc('%c', '%c', '%c', '%c') "
"/* V4L2_SDR_FMT_RU12LE */",
cc0(sf_magic), cc1(sf_magic), cc2(sf_magic),
cc3(sf_magic));
# endif
errno = saved_errno;
printf(
#ifdef HAVE_STRUCT_V4L2_SDR_FORMAT_BUFFERSIZE
", buffersize=%u"
#endif
"}}) = -1 EBADF (%m)\n"
#ifdef HAVE_STRUCT_V4L2_SDR_FORMAT_BUFFERSIZE
, f->fmt.sdr.buffersize
#endif
);
break;
#endif
}
}
#define print_ioctl_v4l2(v4l2_format, request, buf_type) \
dprint_ioctl_v4l2((v4l2_format), (request), (buf_type), #buf_type)
int
main(void)
{
const unsigned int size = get_page_size();
void *const page = tail_alloc(size);
void *const page_end = page + size;
fill_memory(page, size);
unsigned char cc[sizeof(int)] = { 'A', '\'', '\\', '\xfa' };
/* VIDIOC_QUERYCAP */
ioctl(-1, VIDIOC_QUERYCAP, 0);
printf("ioctl(-1, VIDIOC_QUERYCAP, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_QUERYCAP, page);
printf("ioctl(-1, VIDIOC_QUERYCAP, %p) = -1 EBADF (%m)\n", page);
/* VIDIOC_ENUM_FMT */
ioctl(-1, VIDIOC_ENUM_FMT, 0);
printf("ioctl(-1, VIDIOC_ENUM_FMT, NULL) = -1 EBADF (%m)\n");
TAIL_ALLOC_OBJECT_CONST_PTR(struct v4l2_fmtdesc, p_fmtdesc);
p_fmtdesc->index = magic;
p_fmtdesc->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
ioctl(-1, VIDIOC_ENUM_FMT, p_fmtdesc);
printf("ioctl(-1, VIDIOC_ENUM_FMT, {index=%u"
", type=V4L2_BUF_TYPE_VIDEO_CAPTURE}) = -1 EBADF (%m)\n",
p_fmtdesc->index);
/* VIDIOC_G_FMT */
ioctl(-1, VIDIOC_G_FMT, 0);
printf("ioctl(-1, VIDIOC_G_FMT, NULL) = -1 EBADF (%m)\n");
TAIL_ALLOC_OBJECT_CONST_PTR(struct v4l2_format, p_format);
p_format->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
ioctl(-1, VIDIOC_G_FMT, p_format);
printf("ioctl(-1, VIDIOC_G_FMT"
", {type=V4L2_BUF_TYPE_VIDEO_CAPTURE}) = -1 EBADF (%m)\n");
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE
p_format->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
ioctl(-1, VIDIOC_G_FMT, p_format);
printf("ioctl(-1, VIDIOC_G_FMT"
", {type=V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE}) ="
" -1 EBADF (%m)\n");
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
p_format->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY;
ioctl(-1, VIDIOC_G_FMT, p_format);
printf("ioctl(-1, VIDIOC_G_FMT"
", {type=V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY}) ="
" -1 EBADF (%m)\n");
#endif
p_format->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
ioctl(-1, VIDIOC_G_FMT, p_format);
printf("ioctl(-1, VIDIOC_G_FMT"
", {type=V4L2_BUF_TYPE_VIDEO_OVERLAY}) ="
" -1 EBADF (%m)\n");
p_format->type = V4L2_BUF_TYPE_VBI_CAPTURE;
ioctl(-1, VIDIOC_G_FMT, p_format);
printf("ioctl(-1, VIDIOC_G_FMT"
", {type=V4L2_BUF_TYPE_VBI_CAPTURE}) = -1 EBADF (%m)\n");
#if HAVE_DECL_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
p_format->type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
ioctl(-1, VIDIOC_G_FMT, p_format);
printf("ioctl(-1, VIDIOC_G_FMT"
", {type=V4L2_BUF_TYPE_SLICED_VBI_CAPTURE}) = -1 EBADF (%m)\n");
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_CAPTURE
p_format->type = V4L2_BUF_TYPE_SDR_CAPTURE;
ioctl(-1, VIDIOC_G_FMT, p_format);
printf("ioctl(-1, VIDIOC_G_FMT"
", {type=V4L2_BUF_TYPE_SDR_CAPTURE}) = -1 EBADF (%m)\n");
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_OUTPUT
p_format->type = V4L2_BUF_TYPE_SDR_OUTPUT;
ioctl(-1, VIDIOC_G_FMT, p_format);
printf("ioctl(-1, VIDIOC_G_FMT"
", {type=V4L2_BUF_TYPE_SDR_OUTPUT}) = -1 EBADF (%m)\n");
#endif
/* VIDIOC_S_FMT */
ioctl(-1, VIDIOC_S_FMT, 0);
printf("ioctl(-1, VIDIOC_S_FMT, NULL) = -1 EBADF (%m)\n");
init_v4l2_format(p_format, V4L2_BUF_TYPE_VIDEO_OUTPUT);
ioctl(-1, VIDIOC_S_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_S_FMT", V4L2_BUF_TYPE_VIDEO_OUTPUT);
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE
init_v4l2_format(p_format, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
ioctl(-1, VIDIOC_S_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_S_FMT",
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
init_v4l2_format(p_format, V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY);
ioctl(-1, VIDIOC_S_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_S_FMT",
V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY);
#endif
init_v4l2_format(p_format, V4L2_BUF_TYPE_VIDEO_OVERLAY);
ioctl(-1, VIDIOC_S_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_S_FMT",
V4L2_BUF_TYPE_VIDEO_OVERLAY);
init_v4l2_format(p_format, V4L2_BUF_TYPE_VBI_CAPTURE);
ioctl(-1, VIDIOC_S_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_S_FMT", V4L2_BUF_TYPE_VBI_CAPTURE);
#if HAVE_DECL_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
init_v4l2_format(p_format, V4L2_BUF_TYPE_SLICED_VBI_CAPTURE);
ioctl(-1, VIDIOC_S_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_S_FMT",
V4L2_BUF_TYPE_SLICED_VBI_CAPTURE);
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_CAPTURE
init_v4l2_format(p_format, V4L2_BUF_TYPE_SDR_CAPTURE);
ioctl(-1, VIDIOC_S_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_S_FMT", V4L2_BUF_TYPE_SDR_CAPTURE);
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_OUTPUT
init_v4l2_format(p_format, V4L2_BUF_TYPE_SDR_OUTPUT);
ioctl(-1, VIDIOC_S_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_S_FMT", V4L2_BUF_TYPE_SDR_OUTPUT);
#endif
/* VIDIOC_TRY_FMT */
ioctl(-1, VIDIOC_TRY_FMT, 0);
printf("ioctl(-1, VIDIOC_TRY_FMT, NULL) = -1 EBADF (%m)\n");
init_v4l2_format(p_format, V4L2_BUF_TYPE_VIDEO_OUTPUT);
ioctl(-1, VIDIOC_TRY_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_TRY_FMT",
V4L2_BUF_TYPE_VIDEO_OUTPUT);
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE
init_v4l2_format(p_format, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
ioctl(-1, VIDIOC_TRY_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_TRY_FMT",
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
init_v4l2_format(p_format, V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY);
ioctl(-1, VIDIOC_TRY_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_TRY_FMT",
V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY);
#endif
init_v4l2_format(p_format, V4L2_BUF_TYPE_VIDEO_OVERLAY);
ioctl(-1, VIDIOC_TRY_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_TRY_FMT",
V4L2_BUF_TYPE_VIDEO_OVERLAY);
init_v4l2_format(p_format, V4L2_BUF_TYPE_VBI_CAPTURE);
ioctl(-1, VIDIOC_TRY_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_TRY_FMT", V4L2_BUF_TYPE_VBI_CAPTURE);
#if HAVE_DECL_V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
init_v4l2_format(p_format, V4L2_BUF_TYPE_SLICED_VBI_CAPTURE);
ioctl(-1, VIDIOC_TRY_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_TRY_FMT",
V4L2_BUF_TYPE_SLICED_VBI_CAPTURE);
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_CAPTURE
init_v4l2_format(p_format, V4L2_BUF_TYPE_SDR_CAPTURE);
ioctl(-1, VIDIOC_TRY_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_TRY_FMT", V4L2_BUF_TYPE_SDR_CAPTURE);
#endif
#if HAVE_DECL_V4L2_BUF_TYPE_SDR_OUTPUT
init_v4l2_format(p_format, V4L2_BUF_TYPE_SDR_OUTPUT);
ioctl(-1, VIDIOC_TRY_FMT, p_format);
print_ioctl_v4l2(p_format, "VIDIOC_TRY_FMT", V4L2_BUF_TYPE_SDR_OUTPUT);
#endif
struct v4l2_format *const p_v4l2_format =
page_end - sizeof(*p_v4l2_format);
ioctl(-1, VIDIOC_TRY_FMT, p_v4l2_format);
printf("ioctl(-1, VIDIOC_TRY_FMT, {type=%#x /* V4L2_BUF_TYPE_??? */})"
" = -1 EBADF (%m)\n", p_v4l2_format->type);
/* VIDIOC_REQBUFS */
ioctl(-1, VIDIOC_REQBUFS, 0);
printf("ioctl(-1, VIDIOC_REQBUFS, NULL) = -1 EBADF (%m)\n");
struct v4l2_requestbuffers *const p_v4l2_requestbuffers =
page_end - sizeof(*p_v4l2_requestbuffers);
ioctl(-1, VIDIOC_REQBUFS, p_v4l2_requestbuffers);
printf("ioctl(-1, VIDIOC_REQBUFS, {type=%#x /* V4L2_BUF_TYPE_??? */, "
"memory=%#x /* V4L2_MEMORY_??? */, count=%u})"
" = -1 EBADF (%m)\n",
p_v4l2_requestbuffers->type,
p_v4l2_requestbuffers->memory,
p_v4l2_requestbuffers->count);
/* VIDIOC_QUERYBUF */
ioctl(-1, VIDIOC_QUERYBUF, 0);
printf("ioctl(-1, VIDIOC_QUERYBUF, NULL) = -1 EBADF (%m)\n");
struct v4l2_buffer *const p_v4l2_buffer =
page_end - sizeof(*p_v4l2_buffer);
ioctl(-1, VIDIOC_QUERYBUF, p_v4l2_buffer);
printf("ioctl(-1, VIDIOC_QUERYBUF, {type=%#x /* V4L2_BUF_TYPE_??? */"
", index=%u}) = -1 EBADF (%m)\n",
p_v4l2_buffer->type, p_v4l2_buffer->index);
/* VIDIOC_QBUF */
ioctl(-1, VIDIOC_QBUF, 0);
printf("ioctl(-1, VIDIOC_QBUF, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_QBUF, p_v4l2_buffer);
printf("ioctl(-1, VIDIOC_QBUF, {type=%#x /* V4L2_BUF_TYPE_??? */"
", index=%u}) = -1 EBADF (%m)\n",
p_v4l2_buffer->type, p_v4l2_buffer->index);
/* VIDIOC_DQBUF */
ioctl(-1, VIDIOC_DQBUF, 0);
printf("ioctl(-1, VIDIOC_DQBUF, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_DQBUF, p_v4l2_buffer);
printf("ioctl(-1, VIDIOC_DQBUF, {type=%#x"
" /* V4L2_BUF_TYPE_??? */}) = -1 EBADF (%m)\n",
p_v4l2_buffer->type);
/* VIDIOC_G_FBUF */
ioctl(-1, VIDIOC_G_FBUF, 0);
printf("ioctl(-1, VIDIOC_G_FBUF, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_G_FBUF, page);
printf("ioctl(-1, VIDIOC_G_FBUF, %p) = -1 EBADF (%m)\n", page);
/* VIDIOC_S_FBUF */
ioctl(-1, VIDIOC_S_FBUF, 0);
printf("ioctl(-1, VIDIOC_S_FBUF, NULL) = -1 EBADF (%m)\n");
struct v4l2_framebuffer *const p_v4l2_framebuffer =
page_end - sizeof(*p_v4l2_framebuffer);
ioctl(-1, VIDIOC_S_FBUF, p_v4l2_framebuffer);
printf("ioctl(-1, VIDIOC_S_FBUF, {capability=%#x"
", flags=%#x, base=%p}) = -1 EBADF (%m)\n",
p_v4l2_framebuffer->capability,
p_v4l2_framebuffer->flags,
p_v4l2_framebuffer->base);
/* VIDIOC_STREAMON */
ioctl(-1, VIDIOC_STREAMON, 0);
printf("ioctl(-1, VIDIOC_STREAMON, NULL) = -1 EBADF (%m)\n");
int *const p_int = page_end - sizeof(int);
ioctl(-1, VIDIOC_STREAMON, p_int);
printf("ioctl(-1, VIDIOC_STREAMON, [%#x /* V4L2_BUF_TYPE_??? */])"
" = -1 EBADF (%m)\n", *p_int);
/* VIDIOC_STREAMOFF */
ioctl(-1, VIDIOC_STREAMOFF, 0);
printf("ioctl(-1, VIDIOC_STREAMOFF, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_STREAMOFF, p_int);
printf("ioctl(-1, VIDIOC_STREAMOFF, [%#x /* V4L2_BUF_TYPE_??? */])"
" = -1 EBADF (%m)\n", *p_int);
/* VIDIOC_G_PARM */
ioctl(-1, VIDIOC_G_PARM, 0);
printf("ioctl(-1, VIDIOC_G_PARM, NULL) = -1 EBADF (%m)\n");
struct v4l2_streamparm *const p_v4l2_streamparm =
page_end - sizeof(*p_v4l2_streamparm);
ioctl(-1, VIDIOC_G_PARM, p_v4l2_streamparm);
printf("ioctl(-1, VIDIOC_G_PARM, {type=%#x /* V4L2_BUF_TYPE_??? */})"
" = -1 EBADF (%m)\n", p_v4l2_streamparm->type);
/* VIDIOC_S_PARM */
ioctl(-1, VIDIOC_S_PARM, 0);
printf("ioctl(-1, VIDIOC_S_PARM, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_S_PARM, p_v4l2_streamparm);
printf("ioctl(-1, VIDIOC_S_PARM, {type=%#x /* V4L2_BUF_TYPE_??? */})"
" = -1 EBADF (%m)\n", p_v4l2_streamparm->type);
TAIL_ALLOC_OBJECT_CONST_PTR(struct v4l2_streamparm, p_streamparm);
p_streamparm->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
p_streamparm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
p_streamparm->parm.capture.capturemode = V4L2_MODE_HIGHQUALITY;
p_streamparm->parm.capture.timeperframe.numerator = 0xdeadbeef;
p_streamparm->parm.capture.timeperframe.denominator = 0xbadc0ded;
ioctl(-1, VIDIOC_S_PARM, p_streamparm);
printf("ioctl(-1, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_CAPTURE"
", parm.capture={capability=V4L2_CAP_TIMEPERFRAME"
", capturemode=V4L2_MODE_HIGHQUALITY, timeperframe=%u/%u"
", extendedmode=%u, readbuffers=%u}}) = -1 EBADF (%m)\n",
p_streamparm->parm.capture.timeperframe.numerator,
p_streamparm->parm.capture.timeperframe.denominator, -1U, -1U);
p_streamparm->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
p_streamparm->parm.output.outputmode = 0;
ioctl(-1, VIDIOC_S_PARM, p_streamparm);
printf("ioctl(-1, VIDIOC_S_PARM, {type=V4L2_BUF_TYPE_VIDEO_OUTPUT"
", parm.output={capability=V4L2_CAP_TIMEPERFRAME"
", outputmode=0, timeperframe=%u/%u"
", extendedmode=%u, writebuffers=%u}}) = -1 EBADF (%m)\n",
p_streamparm->parm.output.timeperframe.numerator,
p_streamparm->parm.output.timeperframe.denominator, -1U, -1U);
/* VIDIOC_G_STD */
ioctl(-1, VIDIOC_G_STD, 0);
printf("ioctl(-1, VIDIOC_G_STD, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_G_STD, page);
printf("ioctl(-1, VIDIOC_G_STD, %p) = -1 EBADF (%m)\n", page);
/* VIDIOC_S_STD */
ioctl(-1, VIDIOC_S_STD, 0);
printf("ioctl(-1, VIDIOC_S_STD, NULL) = -1 EBADF (%m)\n");
long long *const p_longlong = page_end - sizeof(*p_longlong);
ioctl(-1, VIDIOC_S_STD, p_longlong);
printf("ioctl(-1, VIDIOC_S_STD, [%#llx]) = -1 EBADF (%m)\n",
*p_longlong);
/* VIDIOC_ENUMSTD */
ioctl(-1, VIDIOC_ENUMSTD, 0);
printf("ioctl(-1, VIDIOC_ENUMSTD, NULL) = -1 EBADF (%m)\n");
struct v4l2_standard *const p_v4l2_standard =
page_end - sizeof(*p_v4l2_standard);
ioctl(-1, VIDIOC_ENUMSTD, p_v4l2_standard);
printf("ioctl(-1, VIDIOC_ENUMSTD, {index=%u}) = -1 EBADF (%m)\n",
p_v4l2_standard->index);
/* VIDIOC_ENUMINPUT */
ioctl(-1, VIDIOC_ENUMINPUT, 0);
printf("ioctl(-1, VIDIOC_ENUMINPUT, NULL) = -1 EBADF (%m)\n");
struct v4l2_input *const p_v4l2_input =
page_end - sizeof(*p_v4l2_input);
ioctl(-1, VIDIOC_ENUMINPUT, p_v4l2_input);
printf("ioctl(-1, VIDIOC_ENUMINPUT, {index=%u}) = -1 EBADF (%m)\n",
p_v4l2_input->index);
/* VIDIOC_G_CTRL */
ioctl(-1, VIDIOC_G_CTRL, 0);
printf("ioctl(-1, VIDIOC_G_CTRL, NULL) = -1 EBADF (%m)\n");
struct v4l2_control *const p_v4l2_control =
page_end - sizeof(*p_v4l2_control);
ioctl(-1, VIDIOC_G_CTRL, p_v4l2_control);
printf("ioctl(-1, VIDIOC_G_CTRL, {id=%#x /* V4L2_CID_??? */})"
" = -1 EBADF (%m)\n", p_v4l2_control->id);
/* VIDIOC_S_CTRL */
ioctl(-1, VIDIOC_S_CTRL, 0);
printf("ioctl(-1, VIDIOC_S_CTRL, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_S_CTRL, p_v4l2_control);
printf("ioctl(-1, VIDIOC_S_CTRL, {id=%#x /* V4L2_CID_??? */"
", value=%d}) = -1 EBADF (%m)\n",
p_v4l2_control->id, p_v4l2_control->value);
/* VIDIOC_G_TUNER */
ioctl(-1, VIDIOC_G_TUNER, 0);
printf("ioctl(-1, VIDIOC_G_TUNER, NULL) = -1 EBADF (%m)\n");
struct v4l2_tuner *const p_v4l2_tuner =
page_end - sizeof(*p_v4l2_tuner);
ioctl(-1, VIDIOC_G_TUNER, p_v4l2_tuner);
printf("ioctl(-1, VIDIOC_G_TUNER, {index=%u})"
" = -1 EBADF (%m)\n", p_v4l2_tuner->index);
/* VIDIOC_S_TUNER */
ioctl(-1, VIDIOC_S_TUNER, 0);
printf("ioctl(-1, VIDIOC_S_TUNER, NULL) = -1 EBADF (%m)\n");
TAIL_ALLOC_OBJECT_CONST_PTR(struct v4l2_tuner, p_tuner);
p_tuner->index = 0x4fb6df39;
strcpy((char *) p_tuner->name, "cum tacent clamant");
p_tuner->type = V4L2_TUNER_RADIO;
p_tuner->capability = V4L2_TUNER_CAP_LOW;
p_tuner->rangelow = 0xa673bc29;
p_tuner->rangehigh = 0xbaf16d12;
p_tuner->rxsubchans = V4L2_TUNER_SUB_MONO;
p_tuner->audmode = V4L2_TUNER_MODE_MONO;
p_tuner->signal = 0x10bf92c8;
p_tuner->afc = 0x3bf7e18b;
ioctl(-1, VIDIOC_S_TUNER, p_tuner);
printf("ioctl(-1, VIDIOC_S_TUNER, {index=%u"
", name=\"cum tacent clamant\""
", type=V4L2_TUNER_RADIO, capability=V4L2_TUNER_CAP_LOW"
", rangelow=%u, rangehigh=%u"
", rxsubchans=V4L2_TUNER_SUB_MONO"
", audmode=V4L2_TUNER_MODE_MONO, signal=%d, afc=%d"
"}) = -1 EBADF (%m)\n",
p_tuner->index, p_tuner->rangelow,
p_tuner->rangehigh, p_tuner->signal, p_tuner->afc);
/* VIDIOC_QUERYCTRL */
ioctl(-1, VIDIOC_QUERYCTRL, 0);
printf("ioctl(-1, VIDIOC_QUERYCTRL, NULL) = -1 EBADF (%m)\n");
struct v4l2_queryctrl *const p_v4l2_queryctrl =
page_end - sizeof(*p_v4l2_queryctrl);
ioctl(-1, VIDIOC_QUERYCTRL, p_v4l2_queryctrl);
# ifdef V4L2_CTRL_FLAG_NEXT_CTRL
printf("ioctl(-1, VIDIOC_QUERYCTRL, {id=V4L2_CTRL_FLAG_NEXT_CTRL"
"|%#x /* V4L2_CID_??? */}) = -1 EBADF (%m)\n",
p_v4l2_queryctrl->id & ~V4L2_CTRL_FLAG_NEXT_CTRL);
# else
printf("ioctl(-1, VIDIOC_QUERYCTRL, {id=%#x /* V4L2_CID_??? */})"
" = -1 EBADF (%m)\n", p_v4l2_queryctrl->id);
# endif
TAIL_ALLOC_OBJECT_CONST_PTR(struct v4l2_queryctrl, p_queryctrl);
p_queryctrl->id = V4L2_CID_SATURATION;
ioctl(-1, VIDIOC_QUERYCTRL, p_queryctrl);
printf("ioctl(-1, VIDIOC_QUERYCTRL, {id=V4L2_CID_SATURATION})"
" = -1 EBADF (%m)\n");
/* VIDIOC_G_INPUT */
ioctl(-1, VIDIOC_G_INPUT, 0);
printf("ioctl(-1, VIDIOC_G_INPUT, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_G_INPUT, page);
printf("ioctl(-1, VIDIOC_G_INPUT, %p) = -1 EBADF (%m)\n", page);
/* VIDIOC_S_INPUT */
ioctl(-1, VIDIOC_S_INPUT, 0);
printf("ioctl(-1, VIDIOC_S_INPUT, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_S_INPUT, p_int);
printf("ioctl(-1, VIDIOC_S_INPUT, [%u]) = -1 EBADF (%m)\n", *p_int);
/* VIDIOC_CROPCAP */
ioctl(-1, VIDIOC_CROPCAP, 0);
printf("ioctl(-1, VIDIOC_CROPCAP, NULL) = -1 EBADF (%m)\n");
struct v4l2_cropcap *const p_v4l2_cropcap =
page_end - sizeof(*p_v4l2_cropcap);
ioctl(-1, VIDIOC_CROPCAP, p_v4l2_cropcap);
printf("ioctl(-1, VIDIOC_CROPCAP, {type=%#x /* V4L2_BUF_TYPE_??? */})"
" = -1 EBADF (%m)\n", p_v4l2_cropcap->type);
/* VIDIOC_G_CROP */
ioctl(-1, VIDIOC_G_CROP, 0);
printf("ioctl(-1, VIDIOC_G_CROP, NULL) = -1 EBADF (%m)\n");
struct v4l2_crop *const p_v4l2_crop =
page_end - sizeof(*p_v4l2_crop);
ioctl(-1, VIDIOC_G_CROP, p_v4l2_crop);
printf("ioctl(-1, VIDIOC_G_CROP, {type=%#x /* V4L2_BUF_TYPE_??? */})"
" = -1 EBADF (%m)\n", p_v4l2_crop->type);
/* VIDIOC_S_CROP */
ioctl(-1, VIDIOC_S_CROP, 0);
printf("ioctl(-1, VIDIOC_S_CROP, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_S_CROP, p_v4l2_crop);
printf("ioctl(-1, VIDIOC_S_CROP, {type=%#x /* V4L2_BUF_TYPE_??? */"
", c={left=%d, top=%d, width=%u, height=%u}}) = -1 EBADF (%m)\n",
p_v4l2_crop->type,
p_v4l2_crop->c.left,
p_v4l2_crop->c.top,
p_v4l2_crop->c.width,
p_v4l2_crop->c.height);
#ifdef VIDIOC_S_EXT_CTRLS
/* VIDIOC_S_EXT_CTRLS */
ioctl(-1, VIDIOC_S_EXT_CTRLS, 0);
printf("ioctl(-1, VIDIOC_S_EXT_CTRLS, NULL) = -1 EBADF (%m)\n");
TAIL_ALLOC_OBJECT_CONST_PTR(struct v4l2_ext_controls, p_ext_controls);
p_ext_controls->ctrl_class = V4L2_CTRL_CLASS_USER;
p_ext_controls->count = 0;
p_ext_controls->controls = (void *) -2UL;
ioctl(-1, VIDIOC_S_EXT_CTRLS, p_ext_controls);
printf("ioctl(-1, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_USER"
", count=%u}) = -1 EBADF (%m)\n", p_ext_controls->count);
p_ext_controls->ctrl_class = 0x00a30000;
p_ext_controls->count = magic;
ioctl(-1, VIDIOC_S_EXT_CTRLS, p_ext_controls);
printf("ioctl(-1, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_DETECT"
", count=%u, controls=%p}) = -1 EBADF (%m)\n",
p_ext_controls->count, p_ext_controls->controls);
p_ext_controls->ctrl_class = 0x00a40000;
p_ext_controls->count = magic;
ioctl(-1, VIDIOC_S_EXT_CTRLS, p_ext_controls);
printf("ioctl(-1, VIDIOC_S_EXT_CTRLS"
", {ctrl_class=0xa40000 /* V4L2_CTRL_CLASS_??? */"
", count=%u, controls=%p}) = -1 EBADF (%m)\n",
p_ext_controls->count, p_ext_controls->controls);
p_ext_controls->ctrl_class = V4L2_CTRL_CLASS_MPEG;
p_ext_controls->count = magic;
ioctl(-1, VIDIOC_S_EXT_CTRLS, p_ext_controls);
printf("ioctl(-1, VIDIOC_S_EXT_CTRLS, {ctrl_class=V4L2_CTRL_CLASS_MPEG"
", count=%u, controls=%p}) = -1 EBADF (%m)\n",
p_ext_controls->count, p_ext_controls->controls);
# if HAVE_DECL_V4L2_CTRL_TYPE_STRING
p_ext_controls->count = 2;
p_ext_controls->controls =
tail_alloc(sizeof(*p_ext_controls->controls) * p_ext_controls->count);
p_ext_controls->controls[0].id = V4L2_CID_BRIGHTNESS;
p_ext_controls->controls[0].size = 0;
p_ext_controls->controls[0].value64 = 0xfacefeeddeadbeefULL;
p_ext_controls->controls[1].id = V4L2_CID_CONTRAST;
p_ext_controls->controls[1].size = 2;
p_ext_controls->controls[1].string =
tail_alloc(p_ext_controls->controls[1].size);
ioctl(-1, VIDIOC_S_EXT_CTRLS, p_ext_controls);
printf("ioctl(-1, VIDIOC_S_EXT_CTRLS"
", {ctrl_class=V4L2_CTRL_CLASS_MPEG, count=%u, controls="
"[{id=V4L2_CID_BRIGHTNESS, size=0, value=%d, value64=%lld}"
", {id=V4L2_CID_CONTRAST, size=2, string=\"\\377\\377\"}"
"] => controls="
"[{id=V4L2_CID_BRIGHTNESS, size=0, value=%d, value64=%lld}"
", {id=V4L2_CID_CONTRAST, size=2, string=\"\\377\\377\"}"
"], error_idx=%u}) = -1 EBADF (%m)\n",
p_ext_controls->count,
p_ext_controls->controls[0].value,
(long long) p_ext_controls->controls[0].value64,
p_ext_controls->controls[0].value,
(long long) p_ext_controls->controls[0].value64,
p_ext_controls->error_idx);
++p_ext_controls->count;
ioctl(-1, VIDIOC_S_EXT_CTRLS, p_ext_controls);
printf("ioctl(-1, VIDIOC_S_EXT_CTRLS"
", {ctrl_class=V4L2_CTRL_CLASS_MPEG, count=%u, controls="
"[{id=V4L2_CID_BRIGHTNESS, size=0, value=%d, value64=%lld}"
", {id=V4L2_CID_CONTRAST, size=2, string=\"\\377\\377\"}"
", ... /* %p */]}) = -1 EBADF (%m)\n",
p_ext_controls->count,
p_ext_controls->controls[0].value,
(long long) p_ext_controls->controls[0].value64,
p_ext_controls->controls + 2);
# endif /* HAVE_DECL_V4L2_CTRL_TYPE_STRING */
/* VIDIOC_TRY_EXT_CTRLS */
ioctl(-1, VIDIOC_TRY_EXT_CTRLS, 0);
printf("ioctl(-1, VIDIOC_TRY_EXT_CTRLS, NULL) = -1 EBADF (%m)\n");
p_ext_controls->ctrl_class = V4L2_CTRL_CLASS_USER;
p_ext_controls->count = magic;
p_ext_controls->controls = (void *) -2UL;
ioctl(-1, VIDIOC_TRY_EXT_CTRLS, p_ext_controls);
printf("ioctl(-1, VIDIOC_TRY_EXT_CTRLS"
", {ctrl_class=V4L2_CTRL_CLASS_USER, count=%u, controls=%p})"
" = -1 EBADF (%m)\n",
p_ext_controls->count, p_ext_controls->controls);
/* VIDIOC_G_EXT_CTRLS */
ioctl(-1, VIDIOC_G_EXT_CTRLS, 0);
printf("ioctl(-1, VIDIOC_G_EXT_CTRLS, NULL) = -1 EBADF (%m)\n");
ioctl(-1, VIDIOC_G_EXT_CTRLS, p_ext_controls);
printf("ioctl(-1, VIDIOC_G_EXT_CTRLS"
", {ctrl_class=V4L2_CTRL_CLASS_USER, count=%u, controls=%p"
", error_idx=%u}) = -1 EBADF (%m)\n",
p_ext_controls->count, p_ext_controls->controls,
p_ext_controls->error_idx);
#endif /* VIDIOC_S_EXT_CTRLS */
#ifdef VIDIOC_ENUM_FRAMESIZES
ioctl(-1, VIDIOC_ENUM_FRAMESIZES, 0);
printf("ioctl(-1, VIDIOC_ENUM_FRAMESIZES, NULL) = -1 EBADF (%m)\n");
TAIL_ALLOC_OBJECT_CONST_PTR(struct v4l2_frmsizeenum, p_frmsizeenum);
p_frmsizeenum->index = magic;
p_frmsizeenum->pixel_format = fourcc(cc[0], cc[1], cc[2], cc[3]);
ioctl(-1, VIDIOC_ENUM_FRAMESIZES, p_frmsizeenum);
printf("ioctl(-1, VIDIOC_ENUM_FRAMESIZES, {index=%u"
", pixel_format=v4l2_fourcc('%c', '\\%c', '\\%c', '\\x%x')})"
" = -1 EBADF (%m)\n", p_frmsizeenum->index,
cc[0], cc[1], cc[2], cc[3]);
#endif /* VIDIOC_ENUM_FRAMESIZES */
#ifdef VIDIOC_ENUM_FRAMEINTERVALS
ioctl(-1, VIDIOC_ENUM_FRAMEINTERVALS, 0);
printf("ioctl(-1, VIDIOC_ENUM_FRAMEINTERVALS, NULL) = -1 EBADF (%m)\n");
struct v4l2_frmivalenum *const p_v4l2_frmivalenum =
page_end - sizeof(*p_v4l2_frmivalenum);
ioctl(-1, VIDIOC_ENUM_FRAMEINTERVALS, p_v4l2_frmivalenum);
printf("ioctl(-1, VIDIOC_ENUM_FRAMEINTERVALS, {index=%u"
", pixel_format=v4l2_fourcc('\\x%x', '\\x%x', '\\x%x', '\\x%x')"
", width=%u, height=%u}) = -1 EBADF (%m)\n",
p_v4l2_frmivalenum->index,
cc0(p_v4l2_frmivalenum->pixel_format),
cc1(p_v4l2_frmivalenum->pixel_format),
cc2(p_v4l2_frmivalenum->pixel_format),
cc3(p_v4l2_frmivalenum->pixel_format),
p_v4l2_frmivalenum->width,
p_v4l2_frmivalenum->height);
#endif /* VIDIOC_ENUM_FRAMEINTERVALS */
#ifdef VIDIOC_CREATE_BUFS
ioctl(-1, VIDIOC_CREATE_BUFS, 0);
printf("ioctl(-1, VIDIOC_CREATE_BUFS, NULL) = -1 EBADF (%m)\n");
struct v4l2_create_buffers *const p_v4l2_create_buffers =
page_end - sizeof(*p_v4l2_create_buffers);
ioctl(-1, VIDIOC_CREATE_BUFS, p_v4l2_create_buffers);
printf("ioctl(-1, VIDIOC_CREATE_BUFS, {count=%u, memory=%#x"
" /* V4L2_MEMORY_??? */, format={type=%#x"
" /* V4L2_BUF_TYPE_??? */}}) = -1 EBADF (%m)\n",
p_v4l2_create_buffers->count,
p_v4l2_create_buffers->memory,
p_v4l2_create_buffers->format.type);
#endif /* VIDIOC_CREATE_BUFS */
puts("+++ exited with 0 +++");
return 0;
}
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