Add support for multiple cameras

1 files changed, 51 insertions, 38 deletions

diff --git a/src/uca.c b/src/uca.c
index 73dd79e..0e9e184 100644
--- a/src/uca.c
+++ b/src/uca.c
@@ -19,6 +19,7 @@
 struct uca_t *uca_init()
 {
     struct uca_t *uca = (struct uca_t *) malloc(sizeof(struct uca_t));
+    uca->cameras = NULL;
 
     uca_cam_init inits[] = {
 #ifdef HAVE_PCO_EDGE
@@ -32,58 +33,70 @@ struct uca_t *uca_init()
 #endif
     NULL };
 
-    /* Set all function pointers to NULL and thus make the class abstract */
-    uca->cam_set_property = NULL;
-    uca->cam_get_property = NULL;
-    uca->cam_alloc = NULL;
-    uca->cam_acquire_image = NULL;
-
     int i = 0;
+    struct uca_camera_t* current = NULL;
+
     while (inits[i] != NULL) {
+        struct uca_camera_t *cam = NULL;
         uca_cam_init init = inits[i];
-        if (init(uca) != UCA_ERR_INIT_NOT_FOUND)
-            return uca;
+        if (init(&cam) != UCA_ERR_INIT_NOT_FOUND) {
+            if (current == NULL) 
+                uca->cameras = current = cam;
+            else {
+                current->next = cam;
+                current = cam;
+            }
+            current->next = NULL;
+        }
         i++;
     }
 
-    /* No camera found then indicate error */
-    free(uca);
-    return NULL;
+    if (uca->cameras == NULL) {
+        free(uca);
+        return NULL;
+    }
+    return uca;
 }
 
 void uca_destroy(struct uca_t *uca)
 {
     if (uca != NULL) {
-        uca->cam_destroy(uca);
+        struct uca_camera_t *current = uca->cameras, *tmp;
+        while (current != NULL) {
+            tmp = current;
+            current->destroy(current);
+            current = current->next;
+            free(tmp);
+        }
         free(uca);
     }
 }
 
-static struct uca_property_t property_map[UCA_PROP_LAST] = {
-    { "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 }, 
-    { "bit-depth",  uca_pixel, 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 }, 
-    { "frame-rate", uca_na, uca_uint32t }, 
-    { "trigger-mode", uca_na, uca_uint32t }, 
-    { "timestamp-mode", uca_na, uca_uint32t }, 
-    { "scan-mode",  uca_na, uca_uint32t }, 
-    { "interlace.sample-rate", uca_na, uca_uint32t }, 
+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 }, 
-    { "correction-mode", uca_na, uca_uint32t }, 
+    { "correctionmode", uca_na, uca_uint32t }, 
     { NULL, 0, 0 }
 };
 
@@ -96,7 +109,7 @@ int32_t uca_get_property_id(const char *property_name)
             return i;
         i++;
     }
-    return UCA_PROP_INVALID;
+    return UCA_ERR_PROP_INVALID;
 }
 
 struct uca_property_t *uca_get_full_property(int32_t property_id)
@@ -108,6 +121,6 @@ struct uca_property_t *uca_get_full_property(int32_t property_id)
 
 const char* uca_get_property_name(int32_t property_id)
 {
-    /* TODO: guard that thing */
-    return property_map[property_id].name;
+    if ((property_id >= 0) && (property_id < UCA_PROP_LAST))
+        return property_map[property_id].name;
 }