diff options
| -rw-r--r-- | snapshot.c | 46 |
1 files changed, 44 insertions, 2 deletions
@@ -198,10 +198,42 @@ static unsigned int parse_format(const char *name) return 0; } +static int parse_crop(const char *p, struct v4l2_rect *crop) +{ + char *end; + + if (*p++ != '(') + return -EINVAL; + + crop->left = strtoul(p, &end, 10); + if (*end != ',') + return -EINVAL; + + p = end + 1; + crop->top = strtoul(p, &end, 10); + if (*end++ != ')') + return -EINVAL; + if (*end != '/') + return -EINVAL; + + p = end + 1; + crop->width = strtoul(p, &end, 10); + if (*end != 'x') + return -EINVAL; + + p = end + 1; + crop->height = strtoul(p, &end, 10); + if (*end != '\0') + return -EINVAL; + + return 0; +} + static void usage(const char *argv0) { printf("Usage: %s [options]\n", argv0); printf("Supported options:\n"); + printf("-c, --crop (x,y)/wxh Set the snapshot capture crop\n"); printf("-f, --format fmt Snapshot format\n"); printf("-h, --help Show this help screen\n"); printf("-i, --interval n Capture a snapshot every n frames\n"); @@ -209,6 +241,7 @@ static void usage(const char *argv0) } static struct option opts[] = { + { "crop", 1, 0, 'c' }, { "format", 1, 0, 'f' }, { "help", 0, 0, 'h' }, { "interval", 1, 0, 'i' }, @@ -221,17 +254,26 @@ int main(int argc __attribute__((__unused__)), char *argv[] __attribute__((__unu enum v4l2_mbus_pixelcode snap_code = V4L2_MBUS_FMT_SGRBG10_1X10; struct v4l2_mbus_framefmt view_format; struct v4l2_mbus_framefmt snap_format; + struct v4l2_rect snap_crop; struct v4l2_buffers_pool *pool = NULL; struct omap3_isp_device *isp = NULL; struct omap3_isp_operations ops; struct timespec start, end; int exit_code = EXIT_FAILURE; + bool do_crop = false; float fps; int ret; int c; - while ((c = getopt_long(argc, argv, "f:hi:S", opts, NULL)) != -1) { + while ((c = getopt_long(argc, argv, "c:f:hi:S", opts, NULL)) != -1) { switch (c) { + case 'c': + if (parse_crop(optarg, &snap_crop)) { + printf("invalid crop rectangle %s.\n", optarg); + return 1; + } + do_crop = true; + break; case 'f': snap_code = parse_format(optarg); if (snap_code == 0) { @@ -299,7 +341,7 @@ int main(int argc __attribute__((__unused__)), char *argv[] __attribute__((__unu snap_format.width = SNAPSHOT_WIDTH; snap_format.height = SNAPSHOT_HEIGHT; - ret = omap3_isp_snapshot_setup(isp, NULL, &snap_format); + ret = omap3_isp_snapshot_setup(isp, do_crop ? &snap_crop : NULL, &snap_format); if (ret < 0) { printf("error: unable to setup pipeline\n"); goto cleanup; |