diff options
Diffstat (limited to 'sys/v4l2/v4l2_calls.h')
| -rw-r--r-- | sys/v4l2/v4l2_calls.h | 80 |
1 files changed, 43 insertions, 37 deletions
diff --git a/sys/v4l2/v4l2_calls.h b/sys/v4l2/v4l2_calls.h index 35d80d50..36075c6f 100644 --- a/sys/v4l2/v4l2_calls.h +++ b/sys/v4l2/v4l2_calls.h @@ -21,100 +21,106 @@ #ifndef __V4L2_CALLS_H__ #define __V4L2_CALLS_H__ -#include "gstv4l2element.h" +#include "gstv4l2object.h" #include "gst/gst-i18n-plugin.h" /* simple check whether the device is open */ -#define GST_V4L2_IS_OPEN(element) \ - (GST_V4L2ELEMENT(element)->video_fd > 0) +#define GST_V4L2_IS_OPEN(v4l2object) \ + (v4l2object->video_fd > 0) /* check whether the device is 'active' */ -#define GST_V4L2_IS_ACTIVE(element) \ - (GST_V4L2ELEMENT(element)->buffer != NULL) +#define GST_V4L2_IS_ACTIVE(v4l2object) \ + (v4l2object->buffer != NULL) -#define GST_V4L2_IS_OVERLAY(element) \ - (GST_V4L2ELEMENT(element)->vcap.capabilities & V4L2_CAP_VIDEO_OVERLAY) +#define GST_V4L2_IS_OVERLAY(v4l2object) \ + (v4l2object->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)) \ +/* checks whether the current v4lv4l2object has already been open()'ed or not */ +#define GST_V4L2_CHECK_OPEN(v4l2object) \ + if (!GST_V4L2_IS_OPEN(v4l2object)) \ { \ - GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ + GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, TOO_LAZY, \ (_("Device is not open.")), (NULL)); \ 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)) \ +/* checks whether the current v4lv4l2object is close()'ed or whether it is still open */ +#define GST_V4L2_CHECK_NOT_OPEN(v4l2object) \ + if (GST_V4L2_IS_OPEN(v4l2object)) \ { \ - GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ + GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, TOO_LAZY, \ (_("Device is open.")), (NULL)); \ return FALSE; \ } -/* checks whether the current v4lelement does video overlay */ -#define GST_V4L2_CHECK_OVERLAY(element) \ - if (!GST_V4L2_IS_OVERLAY(element)) \ +/* checks whether the current v4lv4l2object does video overlay */ +#define GST_V4L2_CHECK_OVERLAY(v4l2object) \ + if (!GST_V4L2_IS_OVERLAY(v4l2object)) \ { \ - GST_ELEMENT_ERROR (element, RESOURCE, TOO_LAZY, \ + GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, TOO_LAZY, \ (NULL), ("Device cannot handle overlay")); \ 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(v4l2object) \ + if (!GST_V4L2_IS_ACTIVE(v4l2object)) \ { \ - GST_ELEMENT_ERROR (element, RESOURCE, SETTINGS, \ + GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \ (NULL), ("Device is not in streaming mode")); \ 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(v4l2object) \ + if (GST_V4L2_IS_ACTIVE(v4l2object)) \ { \ - GST_ELEMENT_ERROR (element, RESOURCE, SETTINGS, \ + GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, \ (NULL), ("Device is in streaming mode")); \ return FALSE; \ } /* open/close the device */ -gboolean gst_v4l2_open (GstV4l2Element *v4l2element); -gboolean gst_v4l2_close (GstV4l2Element *v4l2element); +gboolean gst_v4l2_open (GstV4l2Object *v4l2object); +gboolean gst_v4l2_close (GstV4l2Object *v4l2object); /* norm/input/output */ -gboolean gst_v4l2_get_norm (GstV4l2Element *v4l2element, +gboolean gst_v4l2_get_norm (GstV4l2Object *v4l2object, v4l2_std_id *norm); -gboolean gst_v4l2_set_norm (GstV4l2Element *v4l2element, +gboolean gst_v4l2_set_norm (GstV4l2Object *v4l2object, v4l2_std_id norm); -gboolean gst_v4l2_get_output (GstV4l2Element *v4l2element, +gboolean gst_v4l2_get_input (GstV4l2Object * v4l2object, + gint * input); +gboolean gst_v4l2_set_input (GstV4l2Object * v4l2object, + gint input); +#if 0 /* output not handled by now */ +gboolean gst_v4l2_get_output (GstV4l2Object *v4l2object, gint *output); -gboolean gst_v4l2_set_output (GstV4l2Element *v4l2element, +gboolean gst_v4l2_set_output (GstV4l2Object *v4l2object, gint output); +#endif /* #if 0 - output not handled by now */ /* frequency control */ -gboolean gst_v4l2_get_frequency (GstV4l2Element *v4l2element, +gboolean gst_v4l2_get_frequency (GstV4l2Object *v4l2object, gint tunernum, gulong *frequency); -gboolean gst_v4l2_set_frequency (GstV4l2Element *v4l2element, +gboolean gst_v4l2_set_frequency (GstV4l2Object *v4l2object, gint tunernum, gulong frequency); -gboolean gst_v4l2_signal_strength (GstV4l2Element *v4l2element, +gboolean gst_v4l2_signal_strength (GstV4l2Object *v4l2object, gint tunernum, gulong *signal); /* attribute control */ -gboolean gst_v4l2_get_attribute (GstV4l2Element *v4l2element, +gboolean gst_v4l2_get_attribute (GstV4l2Object *v4l2object, int attribute, int *value); -gboolean gst_v4l2_set_attribute (GstV4l2Element *v4l2element, +gboolean gst_v4l2_set_attribute (GstV4l2Object *v4l2object, int attribute, const int value); -gboolean gst_v4l2_get_capabilities (GstV4l2Element * v4l2element); +gboolean gst_v4l2_get_capabilities (GstV4l2Object * v4l2object); #endif /* __V4L2_CALLS_H__ */ |