From b172726b7646f284560da670fe19ad28d88aaa15 Mon Sep 17 00:00:00 2001 From: Matthias Vogelgesang Date: Tue, 26 Apr 2011 16:00:13 +0200 Subject: Remove UCA_CAM_ERROR and handle correct recording states --- src/cameras/pco.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'src/cameras/pco.c') diff --git a/src/cameras/pco.c b/src/cameras/pco.c index 6c4f93f..f6efd81 100644 --- a/src/cameras/pco.c +++ b/src/cameras/pco.c @@ -228,20 +228,25 @@ static uint32_t uca_pco_get_property(struct uca_camera *cam, enum uca_property_i static uint32_t uca_pco_start_recording(struct uca_camera *cam) { uint32_t err = UCA_ERR_CAMERA | UCA_ERR_INIT; + if (cam->state == UCA_CAM_RECORDING) + return err | UCA_ERR_IS_RECORDING; + struct pco_edge *pco = GET_PCO(cam); if (pco_arm_camera(pco) != PCO_NOERROR) return err | UCA_ERR_UNCLASSIFIED; if (pco_set_rec_state(pco, 1) != PCO_NOERROR) return err | UCA_ERR_UNCLASSIFIED; + cam->state = UCA_CAM_RECORDING; return cam->grabber->acquire(cam->grabber, -1); } static uint32_t uca_pco_stop_recording(struct uca_camera *cam) { - if (pco_set_rec_state(GET_PCO(cam), 0) != PCO_NOERROR) + if ((cam->state == UCA_CAM_RECORDING) && (pco_set_rec_state(GET_PCO(cam), 0) != PCO_NOERROR)) return UCA_ERR_CAMERA | UCA_ERR_INIT | UCA_ERR_UNCLASSIFIED; - cam->state = UCA_CAM_ARMED; + + cam->state = UCA_CAM_CONFIGURABLE; return UCA_NO_ERROR; } @@ -255,6 +260,9 @@ static uint32_t uca_pco_trigger(struct uca_camera *cam) static uint32_t uca_pco_grab(struct uca_camera *cam, char *buffer, void *meta_data) { + if (cam->state != UCA_CAM_RECORDING) + return UCA_ERR_CAMERA | UCA_ERR_NOT_RECORDING; + uint16_t *frame; uint32_t err = cam->grabber->grab(cam->grabber, (void **) &frame, &cam->current_frame); if (err != UCA_NO_ERROR) -- cgit v1.2.3