static void mxr_vp_fix_geometry(struct mxr_layer *layer,
enum mxr_geometry_stage stage, unsigned long flags)
{
struct mxr_geometry *geo = &layer->geo;
struct mxr_crop *src = &geo->src;
struct mxr_crop *dst = &geo->dst;
unsigned long x_center, y_center;
switch (stage) {
case MXR_GEOMETRY_SINK: /* nothing to be fixed here */
case MXR_GEOMETRY_COMPOSE:
/* remember center of the area */
x_center = dst->x_offset + dst->width / 2;
y_center = dst->y_offset + dst->height / 2;
/* ensure that compose is reachable using 16x scaling */
dst->width = clamp(dst->width, 8U, 16 * src->full_width);
dst->height = clamp(dst->height, 1U, 16 * src->full_height);
/* setup offsets */
dst->x_offset = do_center(x_center, dst->width,
dst->full_width, flags);
dst->y_offset = do_center(y_center, dst->height,
dst->full_height, flags);
flags = 0; /* remove possible MXR_NO_OFFSET flag */
/* fall through */
case MXR_GEOMETRY_CROP:
/* remember center of the area */
x_center = src->x_offset + src->width / 2;
y_center = src->y_offset + src->height / 2;
/* ensure scaling is between 0.25x .. 16x */
src->width = clamp(src->width, round_up(dst->width / 16, 4),
dst->width * 4);
src->height = clamp(src->height, round_up(dst->height / 16, 4),
dst->height * 4);
/* hardware limits */
src->width = clamp(src->width, 32U, 2047U);
src->height = clamp(src->height, 4U, 2047U);
/* setup offsets */
src->x_offset = do_center(x_center, src->width,
src->full_width, flags);
src->y_offset = do_center(y_center, src->height,
src->full_height, flags);
/* setting scaling ratio */
geo->x_ratio = (src->width << 16) / dst->width;
geo->y_ratio = (src->height << 16) / dst->height;
/* fall through */
case MXR_GEOMETRY_SOURCE:
src->full_width = clamp(src->full_width,
ALIGN(src->width + src->x_offset, 8), 8192U);
src->full_height = clamp(src->full_height,
src->height + src->y_offset, 8192U);
};
}
static void mxr_graph_fix_geometry(struct mxr_layer *layer,
enum mxr_geometry_stage stage, unsigned long flags)
{
struct mxr_geometry *geo = &layer->geo;
struct mxr_crop *src = &geo->src;
struct mxr_crop *dst = &geo->dst;
unsigned int x_center, y_center;
switch (stage) {
case MXR_GEOMETRY_SINK: /* nothing to be fixed here */
flags = 0;
/* fall through */
case MXR_GEOMETRY_COMPOSE:
/* remember center of the area */
x_center = dst->x_offset + dst->width / 2;
y_center = dst->y_offset + dst->height / 2;
/* round up/down to 2 multiple depending on flags */
if (flags & V4L2_SEL_FLAG_LE) {
dst->width = round_down(dst->width, 2);
dst->height = round_down(dst->height, 2);
} else {
dst->width = round_up(dst->width, 2);
dst->height = round_up(dst->height, 2);
}
/* assure that compose rect is inside display area */
dst->width = min(dst->width, dst->full_width);
dst->height = min(dst->height, dst->full_height);
/* ensure that compose is reachable using 2x scaling */
dst->width = min(dst->width, 2 * src->full_width);
dst->height = min(dst->height, 2 * src->full_height);
/* setup offsets */
dst->x_offset = do_center(x_center, dst->width,
dst->full_width, flags);
dst->y_offset = do_center(y_center, dst->height,
dst->full_height, flags);
flags = 0;
/* fall through */
case MXR_GEOMETRY_CROP:
/* remember center of the area */
x_center = src->x_offset + src->width / 2;
y_center = src->y_offset + src->height / 2;
/* ensure that cropping area lies inside the buffer */
if (src->full_width < dst->width)
src->width = dst->width / 2;
else
src->width = closest(src->width, dst->width / 2,
dst->width, flags);
if (src->width == dst->width)
geo->x_ratio = 0;
else
geo->x_ratio = 1;
if (src->full_height < dst->height)
src->height = dst->height / 2;
else
src->height = closest(src->height, dst->height / 2,
dst->height, flags);
if (src->height == dst->height)
geo->y_ratio = 0;
else
geo->y_ratio = 1;
/* setup offsets */
src->x_offset = do_center(x_center, src->width,
src->full_width, flags);
src->y_offset = do_center(y_center, src->height,
src->full_height, flags);
flags = 0;
/* fall through */
case MXR_GEOMETRY_SOURCE:
src->full_width = clamp_val(src->full_width,
src->width + src->x_offset, 32767);
src->full_height = clamp_val(src->full_height,
src->height + src->y_offset, 2047);
}
}
static void
parse_cmdline(int argc, char * const argv[])
{
int ch;
int index = 0;
struct option options[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
{"geometry", required_argument, NULL, 'g'},
{"resolution", required_argument, NULL, 'r'},
{"center", required_argument, NULL, 'c'},
{"width", required_argument, NULL, 'w'},
{"height", required_argument, NULL, 'H'},
{"method", required_argument, NULL, 'm'},
{"nthreads", required_argument, NULL, 'n'},
{"output", required_argument, NULL, 'o'},
};
while ((ch = getopt_long(argc, argv,
"hc:H:m:n:o:r:w:g:V", options, &index)) != -1) {
switch (ch) {
case 'h':
do_usage(argv[0], 0);
break;
case 'V':
do_version(argv[0]);
break;
case 'g':
do_geometry(argv[0], optarg);
break;
case 'r':
do_resolution(argv[0], optarg);
break;
case 'c':
do_center(argv[0], optarg);
break;
case 'w':
do_width(argv[0], optarg);
break;
case 'H':
do_height(argv[0], optarg);
break;
case 'm':
do_method(argv[0], optarg);
break;
case 'n':
do_nthreads(argv[0], optarg);
break;
case 'o':
do_output(argv[0], optarg);
break;
default:
do_usage(argv[0], 1);
}
}
if (plot == NULL)
do_method(argv[0], "generic");
if (!output) {
fprintf(stderr, "no output file.\n");
exit(1);
}
}
