/* format properties */
-GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc);
+GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc) G_GNUC_CONST;
-guint32 gst_video_format_to_fourcc (GstVideoFormat format);
+guint32 gst_video_format_to_fourcc (GstVideoFormat format) G_GNUC_CONST;
-gboolean gst_video_format_is_rgb (GstVideoFormat format);
+gboolean gst_video_format_is_rgb (GstVideoFormat format) G_GNUC_CONST;
-gboolean gst_video_format_is_yuv (GstVideoFormat format);
+gboolean gst_video_format_is_yuv (GstVideoFormat format) G_GNUC_CONST;
-gboolean gst_video_format_is_gray (GstVideoFormat format);
+gboolean gst_video_format_is_gray (GstVideoFormat format) G_GNUC_CONST;
-gboolean gst_video_format_has_alpha (GstVideoFormat format);
+gboolean gst_video_format_has_alpha (GstVideoFormat format) G_GNUC_CONST;
int gst_video_format_get_component_depth (GstVideoFormat format,
- int component);
+ int component) G_GNUC_CONST;
int gst_video_format_get_row_stride (GstVideoFormat format,
int component,
- int width);
+ int width) G_GNUC_CONST;
int gst_video_format_get_pixel_stride (GstVideoFormat format,
- int component);
+ int component) G_GNUC_CONST;
int gst_video_format_get_component_width (GstVideoFormat format,
int component,
- int width);
+ int width) G_GNUC_CONST;
int gst_video_format_get_component_height (GstVideoFormat format,
int component,
- int height);
+ int height) G_GNUC_CONST;
int gst_video_format_get_component_offset (GstVideoFormat format,
int component,
int width,
- int height);
+ int height) G_GNUC_CONST;
int gst_video_format_get_size (GstVideoFormat format,
int width,
- int height);
+ int height) G_GNUC_CONST;
gboolean gst_video_get_size_from_caps (const GstCaps * caps, gint * size);