From a92101a277aed63224e1bd2077c99826e9e35f1d Mon Sep 17 00:00:00 2001 From: Matthias Vogelgesang Date: Tue, 1 Mar 2011 09:34:21 +0100 Subject: Complete (simple) frame grabbing --- src/cameras/pco.c | 38 ++++++++++++++++++++++---------------- 1 file changed, 22 insertions(+), 16 deletions(-) (limited to 'src/cameras') diff --git a/src/cameras/pco.c b/src/cameras/pco.c index f65eb14..cfb5d6b 100644 --- a/src/cameras/pco.c +++ b/src/cameras/pco.c @@ -60,11 +60,13 @@ static uint32_t uca_pco_set_property(struct uca_camera_t *cam, enum uca_property case UCA_PROP_WIDTH: if (grabber->set_property(grabber, FG_WIDTH, (uint32_t *) data) != UCA_NO_ERROR) return UCA_ERR_PROP_VALUE_OUT_OF_RANGE; + cam->frame_width = *((uint32_t *) data); break; case UCA_PROP_HEIGHT: if (grabber->set_property(grabber, FG_HEIGHT, (uint32_t *) data) != UCA_NO_ERROR) return UCA_ERR_PROP_VALUE_OUT_OF_RANGE; + cam->frame_height = *((uint32_t *) data); break; case UCA_PROP_X_OFFSET: @@ -109,11 +111,7 @@ static uint32_t uca_pco_get_property(struct uca_camera_t *cam, enum uca_property break; case UCA_PROP_WIDTH: - { - int w, h; - if (pco_get_actual_size(pco, &w, &h) == PCO_NOERROR) - set_void(data, uint32_t, w); - } + set_void(data, uint32_t, cam->frame_width); break; case UCA_PROP_WIDTH_MIN: @@ -125,11 +123,7 @@ static uint32_t uca_pco_get_property(struct uca_camera_t *cam, enum uca_property break; case UCA_PROP_HEIGHT: - { - int w, h; - if (pco_get_actual_size(pco, &w, &h) == PCO_NOERROR) - set_void(data, uint32_t, h); - } + set_void(data, uint32_t, cam->frame_height); break; case UCA_PROP_HEIGHT_MIN: @@ -179,19 +173,28 @@ static uint32_t uca_pco_get_property(struct uca_camera_t *cam, enum uca_property uint32_t uca_pco_start_recording(struct uca_camera_t *cam) { struct pco_edge_t *pco = GET_PCO(cam); - pco_arm_camera(pco); - pco_set_rec_state(pco, 1); - cam->grabber->acquire(cam->grabber, -1, true); + if (pco_arm_camera(pco) != PCO_NOERROR) + return UCA_ERR_CAM_ARM; + if (pco_set_rec_state(pco, 1) != PCO_NOERROR) + return UCA_ERR_CAM_RECORD; + return cam->grabber->acquire(cam->grabber, -1); } uint32_t uca_pco_stop_recording(struct uca_camera_t *cam) { - pco_set_rec_state(GET_PCO(cam), 0); + if (pco_set_rec_state(GET_PCO(cam), 0) != PCO_NOERROR) + return UCA_ERR_PROP_GENERAL; } uint32_t uca_pco_grab(struct uca_camera_t *cam, char *buffer, size_t n_bytes) { - cam->grabber->grab(cam->grabber, buffer, n_bytes); + uint16_t *frame; + uint32_t err = cam->grabber->grab(cam->grabber, (void **) &frame, n_bytes); + if (err != UCA_NO_ERROR) + return err; + /* FIXME: choose according to data format */ + pco_reorder_image_5x16((uint16_t *) buffer, frame, cam->frame_width, cam->frame_height); + return UCA_NO_ERROR; } uint32_t uca_pco_init(struct uca_camera_t **cam, struct uca_grabber_t *grabber) @@ -202,7 +205,7 @@ uint32_t uca_pco_init(struct uca_camera_t **cam, struct uca_grabber_t *grabber) return UCA_ERR_INIT_NOT_FOUND; } - if ((pco->serial_ref == NULL) || !pco_active(pco)) { + if ((pco->serial_ref == NULL) || !pco_is_active(pco)) { pco_destroy(pco); return UCA_ERR_INIT_NOT_FOUND; } @@ -210,6 +213,7 @@ uint32_t uca_pco_init(struct uca_camera_t **cam, struct uca_grabber_t *grabber) struct uca_camera_t *uca = (struct uca_camera_t *) malloc(sizeof(struct uca_camera_t)); uca->user = pco; uca->grabber = grabber; + uca->grabber->asynchronous = false; /* Camera found, set function pointers... */ uca->destroy = &uca_pco_destroy; @@ -240,6 +244,8 @@ uint32_t uca_pco_init(struct uca_camera_t **cam, struct uca_grabber_t *grabber) int width, height; pco_get_actual_size(pco, &width, &height); + uca->frame_width = width; + uca->frame_height = height; /* Yes, we really have to take an image twice as large because we set the * CameraLink interface to 8-bit 10 Taps, but are actually using 5x16 bits. */ -- cgit v1.2.3