From 71e45c737362a152fbdce54091c56cf0f7d27cd2 Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
Date: Fri, 12 Jun 2015 09:36:55 +0200
Subject: grab: allow setting the exposure time

---
 bin/tools/grab.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'bin')

diff --git a/bin/tools/grab.c b/bin/tools/grab.c
index f355fcb..c6a0d71 100644
--- a/bin/tools/grab.c
+++ b/bin/tools/grab.c
@@ -33,6 +33,7 @@
 typedef struct {
     gint n_frames;
     gdouble duration;
+    gdouble exposure_time;
     gchar *filename;
 #ifdef HAVE_LIBTIFF
     gboolean write_tiff;
@@ -219,6 +220,7 @@ main (int argc, char *argv[])
     static Options opts = {
         .n_frames = -1,
         .duration = -1.0,
+        .exposure_time = 0.001,
         .filename = NULL,
 #ifdef HAVE_LIBTIFF
         .write_tiff = FALSE,
@@ -228,6 +230,7 @@ main (int argc, char *argv[])
     static GOptionEntry entries[] = {
         { "num-frames", 'n', 0, G_OPTION_ARG_INT, &opts.n_frames, "Number of frames to acquire", "N" },
         { "duration", 'd', 0, G_OPTION_ARG_DOUBLE, &opts.duration, "Duration in seconds", NULL },
+        { "exposure-time", 'e', 0, G_OPTION_ARG_DOUBLE, &opts.exposure_time, "Exposure time in seconds", NULL },
         { "output", 'o', 0, G_OPTION_ARG_STRING, &opts.filename, "Output file name", "FILE" },
 #ifdef HAVE_LIBTIFF
         { "write-tiff", 't', 0, G_OPTION_ARG_NONE, &opts.write_tiff, "Write as TIFF", NULL },
@@ -265,6 +268,7 @@ main (int argc, char *argv[])
         goto cleanup_camera;
     }
 
+    g_object_set (camera, "exposure-time", opts.exposure_time, NULL);
     error = record_frames (camera, &opts);
 
     if (error != NULL)
-- 
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