diff options
| author | Edgard Lima <edgard.lima@indt.org.br> | 2006-03-11 22:50:03 +0000 |
|---|---|---|
| committer | Edgard Lima <edgard.lima@indt.org.br> | 2006-03-11 22:50:03 +0000 |
| commit | 2dd80106185bf2d5f2d6ec4d7bda679be4a8f704 (patch) | |
| tree | 1a858c1f07a19f7cfd7074a75395c764e21743a4 /sys/v4l2/v4l2_calls.h | |
| parent | 5a72b167bb63996375b840a3bd989cfa6c43671b (diff) | |
V4L2 ported to 0.10.
Original commit message from CVS:
V4L2 ported to 0.10.
Diffstat (limited to 'sys/v4l2/v4l2_calls.h')
| -rw-r--r-- | sys/v4l2/v4l2_calls.h | 110 |
1 files changed, 56 insertions, 54 deletions
diff --git a/sys/v4l2/v4l2_calls.h b/sys/v4l2/v4l2_calls.h index 5325eadf..fcacf354 100644 --- a/sys/v4l2/v4l2_calls.h +++ b/sys/v4l2/v4l2_calls.h @@ -26,96 +26,98 @@ /* simple check whether the device is open */ #define GST_V4L2_IS_OPEN(element) \ - (element->video_fd > 0) + (GST_V4L2ELEMENT(element)->video_fd > 0) /* check whether the device is 'active' */ #define GST_V4L2_IS_ACTIVE(element) \ - (element->buffer != NULL) + (GST_V4L2ELEMENT(element)->buffer != NULL) #define GST_V4L2_IS_OVERLAY(element) \ - (element->vcap.capabilities & V4L2_CAP_VIDEO_OVERLAY) + (GST_V4L2ELEMENT(element)->vcap.capabilities & V4L2_CAP_VIDEO_OVERLAY) /* checks whether the current v4lelement has already been open()'ed or not */ -#define GST_V4L2_CHECK_OPEN(element) \ - if (!GST_V4L2_IS_OPEN(element)) \ - { \ - GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ +#define GST_V4L2_CHECK_OPEN(element) \ + if (!GST_V4L2_IS_OPEN(element)) \ + { \ + GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ (_("Device is not open.")), (NULL)); \ - return FALSE; \ + return FALSE; \ } /* checks whether the current v4lelement is close()'ed or whether it is still open */ -#define GST_V4L2_CHECK_NOT_OPEN(element) \ - if (GST_V4L2_IS_OPEN(element)) \ - { \ - GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ +#define GST_V4L2_CHECK_NOT_OPEN(element) \ + if (GST_V4L2_IS_OPEN(element)) \ + { \ + GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ (_("Device is open.")), (NULL)); \ - return FALSE; \ + return FALSE; \ } /* checks whether the current v4lelement does video overlay */ -#define GST_V4L2_CHECK_OVERLAY(element) \ - if (!GST_V4L2_IS_OVERLAY(element)) \ - { \ +#define GST_V4L2_CHECK_OVERLAY(element) \ + if (!GST_V4L2_IS_OVERLAY(element)) \ + { \ GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ (NULL), ("Device cannot handle overlay")); \ - return FALSE; \ + return FALSE; \ } /* checks whether we're in capture mode or not */ -#define GST_V4L2_CHECK_ACTIVE(element) \ - if (!GST_V4L2_IS_ACTIVE(element)) \ - { \ +#define GST_V4L2_CHECK_ACTIVE(element) \ + if (!GST_V4L2_IS_ACTIVE(element)) \ + { \ GST_ELEMENT_ERROR (element, RESOURCE, SETTINGS, \ (NULL), ("Device is not in streaming mode")); \ - return FALSE; \ + return FALSE; \ } /* checks whether we're out of capture mode or not */ -#define GST_V4L2_CHECK_NOT_ACTIVE(element) \ - if (GST_V4L2_IS_ACTIVE(element)) \ - { \ +#define GST_V4L2_CHECK_NOT_ACTIVE(element) \ + if (GST_V4L2_IS_ACTIVE(element)) \ + { \ GST_ELEMENT_ERROR (element, RESOURCE, SETTINGS, \ (NULL), ("Device is in streaming mode")); \ - return FALSE; \ + return FALSE; \ } /* open/close the device */ -gboolean gst_v4l2_open (GstV4l2Element *v4l2element); -gboolean gst_v4l2_close (GstV4l2Element *v4l2element); +gboolean gst_v4l2_open (GstV4l2Element *v4l2element); +gboolean gst_v4l2_close (GstV4l2Element *v4l2element); /* norm/input/output */ -gboolean gst_v4l2_get_norm (GstV4l2Element *v4l2element, - v4l2_std_id *norm); -gboolean gst_v4l2_set_norm (GstV4l2Element *v4l2element, - v4l2_std_id norm); -gboolean gst_v4l2_get_input (GstV4l2Element *v4l2element, - gint *input); -gboolean gst_v4l2_set_input (GstV4l2Element *v4l2element, - gint input); -gboolean gst_v4l2_get_output (GstV4l2Element *v4l2element, - gint *output); -gboolean gst_v4l2_set_output (GstV4l2Element *v4l2element, - gint output); +gboolean gst_v4l2_get_norm (GstV4l2Element *v4l2element, + v4l2_std_id *norm); +gboolean gst_v4l2_set_norm (GstV4l2Element *v4l2element, + v4l2_std_id norm); +gboolean gst_v4l2_get_input (GstV4l2Element *v4l2element, + gint *input); +gboolean gst_v4l2_set_input (GstV4l2Element *v4l2element, + gint input); +gboolean gst_v4l2_get_output (GstV4l2Element *v4l2element, + gint *output); +gboolean gst_v4l2_set_output (GstV4l2Element *v4l2element, + gint output); /* frequency control */ -gboolean gst_v4l2_get_frequency (GstV4l2Element *v4l2element, - gint tunernum, - gulong *frequency); -gboolean gst_v4l2_set_frequency (GstV4l2Element *v4l2element, - gint tunernum, - gulong frequency); -gboolean gst_v4l2_signal_strength (GstV4l2Element *v4l2element, - gint tunernum, - gulong *signal); +gboolean gst_v4l2_get_frequency (GstV4l2Element *v4l2element, + gint tunernum, + gulong *frequency); +gboolean gst_v4l2_set_frequency (GstV4l2Element *v4l2element, + gint tunernum, + gulong frequency); +gboolean gst_v4l2_signal_strength (GstV4l2Element *v4l2element, + gint tunernum, + gulong *signal); /* attribute control */ -gboolean gst_v4l2_get_attribute (GstV4l2Element *v4l2element, - int attribute, - int *value); -gboolean gst_v4l2_set_attribute (GstV4l2Element *v4l2element, - int attribute, - const int value); +gboolean gst_v4l2_get_attribute (GstV4l2Element *v4l2element, + int attribute, + int *value); +gboolean gst_v4l2_set_attribute (GstV4l2Element *v4l2element, + int attribute, + const int value); + +gboolean gst_v4l2_get_capabilities (GstV4l2Element * v4l2element); #endif /* __V4L2_CALLS_H__ */ |