From b715cc76cfd8d972663bd2dd15c461f0e6ed5fc3 Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@ipe.fzk.de>
Date: Mon, 28 Feb 2011 15:11:51 +0100
Subject: Complete frame grabber abstraction

---
 src/uca.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 96 insertions(+), 11 deletions(-)

(limited to 'src/uca.c')

diff --git a/src/uca.c b/src/uca.c
index 1d0a515..7733411 100644
--- a/src/uca.c
+++ b/src/uca.c
@@ -25,13 +25,47 @@
 #include "cameras/photron.h"
 #endif
 
+static struct uca_property_t property_map[UCA_PROP_LAST+1] = {
+    { "name",           uca_na,     uca_string }, 
+    { "width",          uca_pixel,  uca_uint32t }, 
+    { "width.min",      uca_pixel,  uca_uint32t }, 
+    { "width.max",      uca_pixel,  uca_uint32t }, 
+    { "height",         uca_pixel,  uca_uint32t }, 
+    { "height.min",     uca_pixel,  uca_uint32t }, 
+    { "height.max",     uca_pixel,  uca_uint32t }, 
+    { "offset.x",       uca_pixel,  uca_uint32t }, 
+    { "offset.y",       uca_pixel,  uca_uint32t }, 
+    { "bitdepth",       uca_bits,   uca_uint8t }, 
+    { "exposure",       uca_us,     uca_uint32t }, 
+    { "exposure.min",   uca_ns,     uca_uint32t }, 
+    { "exposure.max",   uca_ms,     uca_uint32t }, 
+    { "delay",          uca_us,     uca_uint32t }, 
+    { "delay.min",      uca_ns,     uca_uint32t }, 
+    { "delay.max",      uca_ms,     uca_uint32t }, 
+    { "framerate",      uca_na,     uca_uint32t }, 
+    { "triggermode",    uca_na,     uca_uint32t }, 
+    { "timestampmode",  uca_na,     uca_uint32t }, 
+    { "scan-mode",      uca_na,     uca_uint32t }, 
+    { "interlace.samplerate", uca_na, uca_uint32t }, 
+    { "interlace.threshold.pixel", uca_na, uca_uint32t }, 
+    { "interlace.threshold.row", uca_na, uca_uint32t }, 
+    { "correctionmode", uca_na, uca_uint32t }, 
+    { NULL, 0, 0 }
+};
 
 struct uca_t *uca_init()
 {
     struct uca_t *uca = (struct uca_t *) malloc(sizeof(struct uca_t));
     uca->cameras = NULL;
 
-    uca_cam_init inits[] = {
+    uca_grabber_init grabber_inits[] = {
+#ifdef HAVE_ME4
+        uca_me4_init,
+#endif
+        NULL
+    };
+
+    uca_cam_init cam_inits[] = {
 #ifdef HAVE_PCO_EDGE
         uca_pco_init,
 #endif
@@ -44,15 +78,33 @@ struct uca_t *uca_init()
 #ifdef HAVE_PH
         uca_photron_init,
 #endif
-    NULL };
+        NULL
+    };
 
     int i = 0;
-    struct uca_camera_t* current = NULL;
+    struct uca_camera_t *current = NULL;
+
+    /* Probe each frame grabber that is configured */
+    struct uca_grabber_t *grabber = NULL;
+    while (grabber_inits[i] != NULL) {
+        uca_grabber_init init = grabber_inits[i];
+        /* FIXME: we don't only want to take the first one */
+        if (init(&grabber) != UCA_ERR_INIT_NOT_FOUND)
+            break;
+    }
+
+    if (grabber == NULL) {
+        free(uca);
+        return NULL;
+    }
+    grabber->next = NULL;
 
-    while (inits[i] != NULL) {
+    /* Probe each camera that is configured */
+    i = 0;
+    while (cam_inits[i] != NULL) {
         struct uca_camera_t *cam = NULL;
-        uca_cam_init init = inits[i];
-        if (init(&cam) != UCA_ERR_INIT_NOT_FOUND) {
+        uca_cam_init init = cam_inits[i];
+        if (init(&cam, grabber) != UCA_ERR_INIT_NOT_FOUND) {
             if (current == NULL) 
                 uca->cameras = current = cam;
             else {
@@ -74,14 +126,47 @@ struct uca_t *uca_init()
 void uca_destroy(struct uca_t *uca)
 {
     if (uca != NULL) {
-        struct uca_camera_t *current = uca->cameras, *tmp;
-        while (current != NULL) {
-            tmp = current;
-            current->destroy(current);
-            current = current->next;
+        struct uca_camera_t *cam = uca->cameras, *tmp;
+        while (cam != NULL) {
+            tmp = cam;
+            cam->destroy(cam);
+            cam = cam->next;
             free(tmp);
         }
+
+        struct uca_grabber_t *grabber = uca->grabbers, *tmpg;
+        while (grabber != NULL) {
+            tmpg = grabber;
+            grabber->destroy(grabber);
+            grabber = grabber->next;
+            free(grabber);
+        }
+
         free(uca);
     }
 }
 
+enum uca_property_ids uca_get_property_id(const char *property_name)
+{
+    char *name;
+    int i = 0;
+    while (property_map[i].name != NULL) {
+        if (!strcmp(property_map[i].name, property_name))
+            return i;
+        i++;
+    }
+    return UCA_ERR_PROP_INVALID;
+}
+
+struct uca_property_t *uca_get_full_property(enum uca_property_ids property_id)
+{
+    if ((property_id >= 0) && (property_id < UCA_PROP_LAST))
+        return &property_map[property_id];
+    return NULL;
+}
+
+const char* uca_get_property_name(enum uca_property_ids property_id)
+{
+    if ((property_id >= 0) && (property_id < UCA_PROP_LAST))
+        return property_map[property_id].name;
+}
-- 
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