Callback function have to notify caller about buffer

If they return a UCA_BUFFER_KEEP they have to call uca_cam_release_buffer() in
the future. If returning UCA_BUFFER_RELEASE, this is done by the caller.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/uca.c b/src/uca.c
index 4a23e69..1d07ea4 100644
--- a/src/uca.c
+++ b/src/uca.c
@@ -341,6 +341,13 @@ uint32_t uca_cam_register_callback(struct uca_camera *cam, uca_cam_grab_callback
     return priv->register_callback(priv, callback, user);
 }
 
+uint32_t uca_cam_release_buffer(struct uca_camera *cam, void *buffer)
+{
+    struct uca_camera_priv *priv = cam->priv;
+    if (priv->release_buffer != NULL)
+        return priv->release_buffer(priv, buffer);
+}
+
 uint32_t uca_cam_grab(struct uca_camera *cam, char *buffer, void *meta_data)
 {
     struct uca_camera_priv *priv = cam->priv;