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| author | Matthias Vogelgesang <matthias.vogelgesang@kit.edu> | 2013-10-25 12:00:59 +0200 |
|---|---|---|
| committer | Matthias Vogelgesang <matthias.vogelgesang@kit.edu> | 2013-10-25 12:00:59 +0200 |
| commit | d2f35c5a47408d9b36d17c8c11072176319838dd (patch) | |
| tree | 75fe74d73b4cc6238703360d3b4e328db97bb8a3 | |
| parent | 1f1fe531c1d0da3e7172c174636819ec3ed5604d (diff) | |
| download | libuca-d2f35c5a47408d9b36d17c8c11072176319838dd.tar.gz libuca-d2f35c5a47408d9b36d17c8c11072176319838dd.tar.bz2 libuca-d2f35c5a47408d9b36d17c8c11072176319838dd.tar.xz libuca-d2f35c5a47408d9b36d17c8c11072176319838dd.zip | |
pco: simplify buffer size handling
| -rw-r--r-- | plugins/pco/uca-pco-camera.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/plugins/pco/uca-pco-camera.c b/plugins/pco/uca-pco-camera.c index bad5600..b54e4ae 100644 --- a/plugins/pco/uca-pco-camera.c +++ b/plugins/pco/uca-pco-camera.c @@ -189,7 +189,7 @@ struct _UcaPcoCameraPrivate { guint frame_width; guint frame_height; - gsize num_bytes; + gsize buffer_size; guint16 *grab_buffer; guint16 width, height; @@ -342,9 +342,9 @@ setup_fg_callback(UcaCamera *camera) ctrl.timeout = 1; if (priv->grab_buffer) - g_free(priv->grab_buffer); + g_free (priv->grab_buffer); - priv->grab_buffer = g_malloc0(priv->frame_width * priv->frame_height * sizeof(guint16)); + priv->grab_buffer = g_malloc0 (priv->buffer_size); return Fg_registerApcHandler(priv->fg, priv->fg_port, &ctrl, FG_APC_CONTROL_BASIC) == FG_OK; } @@ -425,7 +425,7 @@ uca_pco_camera_start_recording (UcaCamera *camera, GError **error) priv->frame_width = priv->roi_width; priv->frame_height = priv->roi_height; - priv->num_bytes = 2; + priv->buffer_size = 2 * priv->frame_width * priv->frame_height; Fg_setParameter(priv->fg, FG_WIDTH, &fg_width, priv->fg_port); Fg_setParameter(priv->fg, FG_HEIGHT, &priv->frame_height, priv->fg_port); @@ -434,8 +434,7 @@ uca_pco_camera_start_recording (UcaCamera *camera, GError **error) Fg_FreeMemEx(priv->fg, priv->fg_mem); const guint num_buffers = 2; - priv->fg_mem = Fg_AllocMemEx(priv->fg, - num_buffers * priv->frame_width * priv->frame_height * sizeof(uint16_t), num_buffers); + priv->fg_mem = Fg_AllocMemEx(priv->fg, num_buffers * priv->buffer_size, num_buffers); if (priv->fg_mem == NULL) { g_set_error(error, UCA_PCO_CAMERA_ERROR, UCA_PCO_CAMERA_ERROR_FG_INIT, @@ -602,7 +601,7 @@ uca_pco_camera_grab(UcaCamera *camera, gpointer data, GError **error) if (priv->description->type == CAMERATYPE_PCO_EDGE) pco_get_reorder_func(priv->pco)((guint16 *) data, frame, priv->frame_width, priv->frame_height); else - memcpy((gchar *) data, (gchar *) frame, priv->frame_width * priv->frame_height * priv->num_bytes); + memcpy((gchar *) data, (gchar *) frame, priv->buffer_size); return TRUE; } |