* Copyright (c) 2014 Philippe De Muyter <phdm@macqel.be>
* Copyright (c) 2014 William Manley <will@williammanley.net>
* Copyright (c) 2011 Peter Zotov <whitequark@whitequark.org>
- * Copyright (c) 2014-2017 The strace developers.
+ * Copyright (c) 2014-2018 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "defs.h"
+#include <stdint.h>
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include <linux/videodev2.h>
+
#include DEF_MPERS_TYPE(struct_v4l2_buffer)
#include DEF_MPERS_TYPE(struct_v4l2_clip)
-#include DEF_MPERS_TYPE(struct_v4l2_create_buffers)
+#ifdef VIDIOC_CREATE_BUFS
+# include DEF_MPERS_TYPE(struct_v4l2_create_buffers)
+#endif
#include DEF_MPERS_TYPE(struct_v4l2_ext_control)
#include DEF_MPERS_TYPE(struct_v4l2_ext_controls)
#include DEF_MPERS_TYPE(struct_v4l2_format)
#include DEF_MPERS_TYPE(struct_v4l2_input)
#include DEF_MPERS_TYPE(struct_v4l2_standard)
-#include <stdint.h>
-#include <linux/ioctl.h>
-#include <linux/types.h>
-#include <linux/videodev2.h>
-
typedef struct v4l2_buffer struct_v4l2_buffer;
typedef struct v4l2_clip struct_v4l2_clip;
+#ifdef VIDIOC_CREATE_BUFS
typedef struct v4l2_create_buffers struct_v4l2_create_buffers;
+#endif
typedef struct v4l2_ext_control struct_v4l2_ext_control;
typedef struct v4l2_ext_controls struct_v4l2_ext_controls;
typedef struct v4l2_format struct_v4l2_format;
#include "print_fields.h"
#include "xstring.h"
-/* some historical constants */
-#ifndef V4L2_CID_HCENTER
-#define V4L2_CID_HCENTER (V4L2_CID_BASE+22)
-#endif
-#ifndef V4L2_CID_VCENTER
-#define V4L2_CID_VCENTER (V4L2_CID_BASE+23)
-#endif
-#ifndef V4L2_CID_BAND_STOP_FILTER
-#define V4L2_CID_BAND_STOP_FILTER (V4L2_CID_BASE+33)
+/* v4l2_fourcc_be was added by Linux commit v3.18-rc1~101^2^2~127 */
+#ifndef v4l2_fourcc_be
+# define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
#endif
#define FMT_FRACT "%u/%u"
#define FMT_RECT "{left=%d, top=%d, width=%u, height=%u}"
#define ARGS_RECT(x) (x).left, (x).top, (x).width, (x).height
+#include "xlat/v4l2_pix_fmts.h"
+#include "xlat/v4l2_sdr_fmts.h"
+
static void
-print_pixelformat(uint32_t fourcc)
+print_pixelformat(uint32_t fourcc, const struct xlat *xlat)
{
- const union {
- uint32_t pixelformat;
- unsigned char cc[sizeof(uint32_t)];
- } u = {
-#if WORDS_BIGENDIAN
- .cc = {
- (unsigned char) (fourcc >> 24),
- (unsigned char) (fourcc >> 16),
- (unsigned char) (fourcc >> 8),
- (unsigned char) fourcc
- }
-#else
- .pixelformat = fourcc
-#endif
+ unsigned char a[] = {
+ (unsigned char) fourcc,
+ (unsigned char) (fourcc >> 8),
+ (unsigned char) (fourcc >> 16),
+ (unsigned char) (fourcc >> 24),
};
unsigned int i;
tprints("v4l2_fourcc(");
- for (i = 0; i < sizeof(u.cc); ++i) {
- unsigned char c = u.cc[i];
+ for (i = 0; i < ARRAY_SIZE(a); ++i) {
+ unsigned char c = a[i];
if (i)
tprints(", ");
}
}
tprints(")");
+
+ if (xlat) {
+ const char *pixfmt_name = xlookup(xlat, fourcc);
+
+ if (pixfmt_name)
+ tprints_comment(pixfmt_name);
+ }
}
#include "xlat/v4l2_device_capabilities_flags.h"
"V4L2_FMT_FLAG_???");
PRINT_FIELD_CSTRING(", ", f, description);
tprints(", pixelformat=");
- print_pixelformat(f.pixelformat);
+ print_pixelformat(f.pixelformat, v4l2_pix_fmts);
}
tprints("}");
return RVAL_IOCTL_DECODED;
tprints(prefix);
tprintf("fmt.pix={width=%u, height=%u, pixelformat=",
f->fmt.pix.width, f->fmt.pix.height);
- print_pixelformat(f->fmt.pix.pixelformat);
+ print_pixelformat(f->fmt.pix.pixelformat, v4l2_pix_fmts);
tprints(", field=");
printxval(v4l2_fields, f->fmt.pix.field, "V4L2_FIELD_???");
tprintf(", bytesperline=%u, sizeimage=%u, colorspace=",
tprints(prefix);
tprintf("fmt.pix_mp={width=%u, height=%u, pixelformat=",
f->fmt.pix_mp.width, f->fmt.pix_mp.height);
- print_pixelformat(f->fmt.pix_mp.pixelformat);
+ print_pixelformat(f->fmt.pix_mp.pixelformat, v4l2_pix_fmts);
tprints(", field=");
printxval(v4l2_fields, f->fmt.pix_mp.field, "V4L2_FIELD_???");
tprints(", colorspace=");
tprintf(", chromakey=%#x, clips=", f->fmt.win.chromakey);
ret = print_array(tcp, ptr_to_kulong(f->fmt.win.clips),
f->fmt.win.clipcount, &clip, sizeof(clip),
- umoven_or_printaddr, print_v4l2_clip, 0);
+ tfetch_mem, print_v4l2_clip, 0);
tprintf(", clipcount=%u, bitmap=", f->fmt.win.clipcount);
printaddr(ptr_to_kulong(f->fmt.win.bitmap));
#ifdef HAVE_STRUCT_V4L2_WINDOW_GLOBAL_ALPHA
"samples_per_line=%u, sample_format=",
f->fmt.vbi.sampling_rate, f->fmt.vbi.offset,
f->fmt.vbi.samples_per_line);
- print_pixelformat(f->fmt.vbi.sample_format);
+ print_pixelformat(f->fmt.vbi.sample_format, v4l2_pix_fmts);
tprintf(", start=[%u, %u], count=[%u, %u], ",
f->fmt.vbi.start[0], f->fmt.vbi.start[1],
f->fmt.vbi.count[0], f->fmt.vbi.count[1]);
case V4L2_BUF_TYPE_SDR_CAPTURE:
tprints(prefix);
tprints("fmt.sdr={pixelformat=");
- print_pixelformat(f->fmt.sdr.pixelformat);
+ print_pixelformat(f->fmt.sdr.pixelformat, v4l2_sdr_fmts);
#ifdef HAVE_STRUCT_V4L2_SDR_FORMAT_BUFFERSIZE
tprintf(", buffersize=%u",
f->fmt.sdr.buffersize);
return RVAL_IOCTL_DECODED;
}
+/*
+ * We include it here and not before print_v4l2_ext_controls as we need
+ * V4L2_CTRL_CLASS_* definitions for V4L2_CID_*_BASE ones.
+ */
+#include "xlat/v4l2_control_classes.h"
+#include "xlat/v4l2_control_id_bases.h"
#include "xlat/v4l2_control_ids.h"
static int
const unsigned long next = c.id & V4L2_CTRL_FLAG_NEXT_CTRL;
set_tcb_priv_ulong(tcp, next);
if (next) {
- tprints("V4L2_CTRL_FLAG_NEXT_CTRL|");
+ print_xlat(V4L2_CTRL_FLAG_NEXT_CTRL);
+ tprints("|");
c.id &= ~V4L2_CTRL_FLAG_NEXT_CTRL;
}
#endif
return true;
}
-#include "xlat/v4l2_control_classes.h"
-
static int
print_v4l2_ext_controls(struct tcb *const tcp, const kernel_ulong_t arg,
const bool is_get)
struct_v4l2_ext_control ctrl;
bool fail = !print_array(tcp, ptr_to_kulong(c.controls), c.count,
&ctrl, sizeof(ctrl),
- umoven_or_printaddr_ignore_syserror,
+ tfetch_mem_ignore_syserror,
print_v4l2_ext_control, 0);
if (exiting(tcp) && syserror(tcp))
if (umove_or_printaddr(tcp, arg, &s))
return RVAL_IOCTL_DECODED;
tprintf("{index=%u, pixel_format=", s.index);
- print_pixelformat(s.pixel_format);
+ print_pixelformat(s.pixel_format, v4l2_pix_fmts);
return 0;
}
if (umove_or_printaddr(tcp, arg, &f))
return RVAL_IOCTL_DECODED;
tprintf("{index=%u, pixel_format=", f.index);
- print_pixelformat(f.pixel_format);
+ print_pixelformat(f.pixel_format, v4l2_pix_fmts);
tprintf(", width=%u, height=%u", f.width, f.height);
return 0;
}
case VIDIOC_G_FBUF: /* R */
if (entering(tcp))
return 0;
- /* fall through */
+ ATTRIBUTE_FALLTHROUGH;
case VIDIOC_S_FBUF: /* W */
return print_v4l2_framebuffer(tcp, arg);
case VIDIOC_G_STD: /* R */
if (entering(tcp))
return 0;
- /* fall through */
+ ATTRIBUTE_FALLTHROUGH;
case VIDIOC_S_STD: /* W */
tprints(", ");
printnum_int64(tcp, arg, "%#" PRIx64);
case VIDIOC_G_INPUT: /* R */
if (entering(tcp))
return 0;
- /* fall through */
+ ATTRIBUTE_FALLTHROUGH;
case VIDIOC_S_INPUT: /* RW */
tprints(", ");
printnum_int(tcp, arg, "%u");
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