gdImage *fx_scale(gdImage *src, char *options)
{
int w, h;
gdImage *im;
w = argtol(options, "x ", 0, 0, 10);
h = argtol(options, "x ", 1, 0, 10);
if(w < 0 || h < 0)
{
WARN("Invalid resolution: %s", options);
return(src);
}
MSG("Scaling image from %ix%i -> %ix%i.",
gdImageSX(src), gdImageSY(src), w, h);
im = gdImageCreateTrueColor(w, h);
if(!im)
{
WARN("Out of memory.");
return(src);
}
gdImageCopyResampled(im, src, 0, 0, 0, 0,
w, h, gdImageSX(src), gdImageSY(src));
gdImageDestroy(src);
return(im);
}
int fswc_getopts(fswebcam_config_t *config, int argc, char *argv[])
{
int c;
fswc_getopt_t s;
static struct option long_opts[] =
{
{"help", no_argument, 0, '?'},
{"config", required_argument, 0, 'c'},
{"quiet", no_argument, 0, 'q'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, OPT_VERSION},
{"loop", required_argument, 0, 'l'},
{"offset", required_argument, 0, OPT_OFFSET},
{"background", no_argument, 0, 'b'},
{"pid", required_argument, 0, OPT_PID},
{"log", required_argument, 0, 'L'},
{"device", required_argument, 0, 'd'},
{"input", required_argument, 0, 'i'},
{"list-inputs", no_argument, 0, OPT_LIST_INPUTS},
{"tuner", required_argument, 0, 't'},
{"list-tuners", no_argument, 0, OPT_LIST_TUNERS},
{"frequency", required_argument, 0, 'f'},
{"delay", required_argument, 0, 'D'},
{"resolution", required_argument, 0, 'r'},
{"fps", required_argument, 0, OPT_FPS},
{"list-framesizes", no_argument, 0, OPT_LIST_FRAMESIZES},
{"list-framerates", no_argument, 0, OPT_LIST_FRAMERATES},
{"frames", required_argument, 0, 'F'},
{"skip", required_argument, 0, 'S'},
{"palette", required_argument, 0, 'p'},
{"dumpframe", required_argument, 0, OPT_DUMPFRAME},
{"read", no_argument, 0, 'R'},
{"list-formats", no_argument, 0, OPT_LIST_FORMATS},
{"set", required_argument, 0, 's'},
{"list-controls", no_argument, 0, OPT_LIST_CONTROLS},
{"revert", no_argument, 0, OPT_REVERT},
{"flip", required_argument, 0, OPT_FLIP},
{"crop", required_argument, 0, OPT_CROP},
{"scale", required_argument, 0, OPT_SCALE},
{"rotate", required_argument, 0, OPT_ROTATE},
{"deinterlace", no_argument, 0, OPT_DEINTERLACE},
{"invert", no_argument, 0, OPT_INVERT},
{"greyscale", no_argument, 0, OPT_GREYSCALE},
{"swapchannels", required_argument, 0, OPT_SWAPCHANNELS},
{"no-banner", no_argument, 0, OPT_NO_BANNER},
{"top-banner", no_argument, 0, OPT_TOP_BANNER},
{"bottom-banner", no_argument, 0, OPT_BOTTOM_BANNER},
{"banner-colour", required_argument, 0, OPT_BG_COLOUR},
{"line-colour", required_argument, 0, OPT_BL_COLOUR},
{"text-colour", required_argument, 0, OPT_FG_COLOUR},
{"font", required_argument, 0, OPT_FONT},
{"no-shadow", no_argument, 0, OPT_NO_SHADOW},
{"shadow", no_argument, 0, OPT_SHADOW},
{"title", required_argument, 0, OPT_TITLE},
{"no-title", no_argument, 0, OPT_NO_TITLE},
{"subtitle", required_argument, 0, OPT_SUBTITLE},
{"no-subtitle", no_argument, 0, OPT_NO_SUBTITLE},
{"timestamp", required_argument, 0, OPT_TIMESTAMP},
{"no-timestamp", no_argument, 0, OPT_NO_TIMESTAMP},
{"gmt", no_argument, 0, OPT_GMT},
{"info", required_argument, 0, OPT_INFO},
{"no-info", no_argument, 0, OPT_NO_INFO},
{"underlay", required_argument, 0, OPT_UNDERLAY},
{"no-underlay", no_argument, 0, OPT_NO_UNDERLAY},
{"overlay", required_argument, 0, OPT_OVERLAY},
{"no-overlay", no_argument, 0, OPT_NO_OVERLAY},
{"jpeg", required_argument, 0, OPT_JPEG},
{"png", required_argument, 0, OPT_PNG},
{"save", required_argument, 0, OPT_SAVE},
{"exec", required_argument, 0, OPT_EXEC},
{0, 0, 0, 0}
};
char *opts = "-qc:vl:bL:d:i:t:f:D:r:F:s:S:p:R";
s.opts = opts;
s.long_opts = long_opts;
s.opt_index = 0;
s.filename = NULL;
s.f = NULL;
s.line = 0;
/* Set the defaults. */
config->loop = 0;
config->offset = 0;
config->background = 0;
config->pidfile = NULL;
config->logfile = NULL;
config->gmt = 0;
config->start = 0;
config->device = strdup("/dev/video0");
config->input = NULL;
config->tuner = 0;
config->frequency = 0;
config->delay = 0;
config->use_read = 0;
config->list = 0;
config->width = 384;
config->height = 288;
config->fps = 0;
config->frames = 1;
config->skipframes = 0;
config->palette = SRC_PAL_ANY;
config->option = NULL;
config->dumpframe = NULL;
config->jobs = 0;
config->job = NULL;
/* Don't report errors. */
opterr = 0;
/* Reset getopt to ensure parsing begins at the first argument. */
optind = 0;
/* Parse the command line and any config files. */
while((c = fswc_getopt(&s, argc, argv)) != -1)
{
switch(c)
{
case '?': fswc_usage(); /* Command line error. */
case '!': return(-1); /* Conf file error. */
case 'c':
INFO("Reading configuration from '%s'...", optarg);
s.f = fopen(optarg, "rt");
if(!s.f)
{
ERROR("fopen: %s", strerror(errno));
return(-1);
}
s.line = 0;
free(s.filename);
s.filename = strdup(optarg);
break;
case OPT_VERSION:
fprintf(stderr, "fswebcam %s\n", PACKAGE_VERSION);
return(-1);
case 'q':
log_quiet(-1);
log_verbose(0);
break;
case 'v':
log_quiet(0);
log_verbose(-1);
break;
case 'l':
config->loop = atol(optarg);
break;
case OPT_OFFSET:
config->offset = atol(optarg);
break;
case 'b':
config->background = -1;
break;
case OPT_PID:
if(config->pidfile) free(config->pidfile);
config->pidfile = strdup(optarg);
break;
case 'L':
if(config->logfile) free(config->logfile);
config->logfile = strdup(optarg);
break;
case 'd':
if(config->device) free(config->device);
config->device = strdup(optarg);
break;
case 'i':
if(config->input) free(config->input);
config->input = strdup(optarg);
break;
case OPT_LIST_INPUTS:
config->list |= SRC_LIST_INPUTS;
break;
case 't':
config->tuner = atoi(optarg);
break;
case OPT_LIST_TUNERS:
config->list |= SRC_LIST_TUNERS;
break;
case 'f':
config->frequency = atof(optarg) * 1000;
break;
case 'D':
config->delay = atoi(optarg);
break;
case 'r':
config->width = argtol(optarg, "x ", 0, 0, 10);
config->height = argtol(optarg, "x ", 1, 0, 10);
break;
case OPT_FPS:
config->fps = atoi(optarg);
break;
case 'F':
config->frames = atoi(optarg);
break;
case 'S':
config->skipframes = atoi(optarg);
break;
case 's':
fswc_set_option(config, optarg);
break;
case OPT_LIST_CONTROLS:
config->list |= SRC_LIST_CONTROLS;
break;
case 'p':
config->palette = fswc_find_palette(optarg);
if(config->palette == -1) return(-1);
break;
case 'R':
config->use_read = -1;
break;
case OPT_LIST_FORMATS:
config->list |= SRC_LIST_FORMATS;
break;
case OPT_GMT:
config->gmt = -1;
break;
case OPT_DUMPFRAME:
free(config->dumpframe);
config->dumpframe = strdup(optarg);
break;
default:
/* All other options are added to the job queue. */
fswc_add_job(config, c, optarg);
break;
}
}
/* Do a sanity check on the options. */
if(config->frequency < 0) config->frequency = 0;
if(config->width < 1) config->width = 1;
if(config->height < 1) config->height = 1;
if(config->frames < 1) config->frames = 1;
if(config->frames > MAX_FRAMES)
{
WARN("Requested %u frames, maximum is %u. Using that.",
config->frames, MAX_FRAMES);
config->frames = MAX_FRAMES;
}
/* Correct offset if negative or out of range. */
if(config->offset && (config->offset %= (signed long) config->loop) < 0)
config->offset += config->loop;
/* Free the config filename if set. */
free(s.filename);
return(0);
}
gdImage *fx_crop(gdImage *src, char *options)
{
char arg[32];
int w, h, x, y;
gdImage *im;
if(argncpy(arg, 32, options, ", \t", 0, 0))
{
WARN("Invalid area to crop: %s", arg);
return(src);
}
w = argtol(arg, "x ", 0, 0, 10);
h = argtol(arg, "x ", 1, 0, 10);
if(w < 0 || h < 0)
{
WARN("Invalid area to crop: %s", arg);
return(src);
}
/* Make sure crop area resolution is smaller than the source image. */
if(w > gdImageSX(src) ||
h > gdImageSY(src))
{
WARN("Crop area is larger than the image!");
return(src);
}
/* Get the offset. */
x = -1;
y = -1;
if(!argncpy(arg, 32, options, ", \t", 1, 0))
{
x = argtol(arg, "x ", 0, 0, 10);
y = argtol(arg, "x ", 1, 0, 10);
}
if(x < 0 || y < 0)
{
/* By default crop the center of the image. */
x = (gdImageSX(src) - w) / 2;
y = (gdImageSY(src) - h) / 2;
}
MSG("Cropping image from %ix%i [offset: %ix%i] -> %ix%i.",
gdImageSX(src), gdImageSY(src), x, y, w, h);
im = gdImageCreateTrueColor(w, h);
if(!im)
{
WARN("Out of memory.");
return(src);
}
gdImageCopy(im, src, 0, 0, x, y, w, h);
gdImageDestroy(src);
return(im);
}
static NTSTATUS SvcStart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
{
#define argtos(v) if (arge > ++argp) v = *argp; else goto usage
#define argtol(v) if (arge > ++argp) v = wcstol_deflt(*argp, v); else goto usage
wchar_t **argp, **arge;
PWSTR DebugLogFile = 0;
ULONG DebugFlags = 0;
PWSTR VolumePrefix = 0;
PWSTR PassThrough = 0;
PWSTR MountPoint = 0;
HANDLE DebugLogHandle = INVALID_HANDLE_VALUE;
WCHAR PassThroughBuf[MAX_PATH];
PTFS *Ptfs = 0;
NTSTATUS Result;
for (argp = argv + 1, arge = argv + argc; arge > argp; argp++)
{
if (L'-' != argp[0][0])
break;
switch (argp[0][1])
{
case L'?':
goto usage;
case L'd':
argtol(DebugFlags);
break;
case L'D':
argtos(DebugLogFile);
break;
case L'm':
argtos(MountPoint);
break;
case L'p':
argtos(PassThrough);
break;
case L'u':
argtos(VolumePrefix);
break;
default:
goto usage;
}
}
if (arge > argp)
goto usage;
if (0 == PassThrough && 0 != VolumePrefix)
{
PWSTR P;
P = wcschr(VolumePrefix, L'\\');
if (0 != P && L'\\' != P[1])
{
P = wcschr(P + 1, L'\\');
if (0 != P &&
(
(L'A' <= P[1] && P[1] <= L'Z') ||
(L'a' <= P[1] && P[1] <= L'z')
) &&
L'$' == P[2])
{
StringCbPrintf(PassThroughBuf, sizeof PassThroughBuf, L"%c:%s", P[1], P + 3);
PassThrough = PassThroughBuf;
}
}
}
if (0 == PassThrough || 0 == MountPoint)
goto usage;
EnableBackupRestorePrivileges();
if (0 != DebugLogFile)
{
if (0 == wcscmp(L"-", DebugLogFile))
DebugLogHandle = GetStdHandle(STD_ERROR_HANDLE);
else
DebugLogHandle = CreateFileW(
DebugLogFile,
FILE_APPEND_DATA,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0,
OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
0);
if (INVALID_HANDLE_VALUE == DebugLogHandle)
{
fail(L"cannot open debug log file");
goto usage;
}
FspDebugLogSetHandle(DebugLogHandle);
}
Result = PtfsCreate(PassThrough, VolumePrefix, MountPoint, DebugFlags, &Ptfs);
if (!NT_SUCCESS(Result))
{
fail(L"cannot create file system");
goto exit;
}
Result = FspFileSystemStartDispatcher(Ptfs->FileSystem, 0);
if (!NT_SUCCESS(Result))
{
fail(L"cannot start file system");
goto exit;
}
MountPoint = FspFileSystemMountPoint(Ptfs->FileSystem);
info(L"%s%s%s -p %s -m %s",
L"" PROGNAME,
0 != VolumePrefix && L'\0' != VolumePrefix[0] ? L" -u " : L"",
0 != VolumePrefix && L'\0' != VolumePrefix[0] ? VolumePrefix : L"",
PassThrough,
MountPoint);
Service->UserContext = Ptfs;
Result = STATUS_SUCCESS;
exit:
if (!NT_SUCCESS(Result) && 0 != Ptfs)
PtfsDelete(Ptfs);
return Result;
usage:
static wchar_t usage[] = L""
"usage: %s OPTIONS\n"
"\n"
"options:\n"
" -d DebugFlags [-1: enable all debug logs]\n"
" -D DebugLogFile [file path; use - for stderr]\n"
" -u \\Server\\Share [UNC prefix (single backslash)]\n"
" -p Directory [directory to expose as pass through file system]\n"
" -m MountPoint [X:|*|directory]\n";
fail(usage, L"" PROGNAME);
return STATUS_UNSUCCESSFUL;
#undef argtos
#undef argtol
}