#define GST_VIDEO_BUFFER_PROGRESSIVE GST_BUFFER_FLAG_MEDIA4
/* functions */
-const GValue *gst_video_frame_rate (GstPad *pad);
-gboolean gst_video_get_size (GstPad *pad,
- gint *width,
- gint *height);
-
-gboolean gst_video_calculate_display_ratio (guint *dar_n, guint *dar_d,
- guint video_width, guint video_height,
- guint video_par_n, guint video_par_d,
- guint display_par_n, guint display_par_d);
-
-gboolean gst_video_format_parse_caps (GstCaps *caps, GstVideoFormat *format,
- int *width, int *height);
-gboolean gst_video_format_parse_caps_interlaced (GstCaps *caps, gboolean *interlaced);
-gboolean gst_video_parse_caps_framerate (GstCaps *caps,
- int *fps_n, int *fps_d);
-gboolean gst_video_parse_caps_pixel_aspect_ratio (GstCaps *caps,
- int *par_n, int *par_d);
-const char *gst_video_parse_caps_color_matrix (GstCaps * caps);
-const char *gst_video_parse_caps_chroma_site (GstCaps * caps);
-GstBuffer *gst_video_parse_caps_palette (GstCaps * caps);
-GstCaps * gst_video_format_new_caps (GstVideoFormat format,
- int width, int height, int framerate_n, int framerate_d,
- int par_n, int par_d);
-GstCaps * gst_video_format_new_caps_interlaced (GstVideoFormat format,
- int width, int height, int framerate_n, int framerate_d,
- int par_n, int par_d, gboolean interlaced);
-GstCaps * gst_video_format_new_template_caps (GstVideoFormat format);
-GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc);
-guint32 gst_video_format_to_fourcc (GstVideoFormat format);
-gboolean gst_video_format_is_rgb (GstVideoFormat format);
-gboolean gst_video_format_is_yuv (GstVideoFormat format);
-gboolean gst_video_format_is_gray (GstVideoFormat format);
-gboolean gst_video_format_has_alpha (GstVideoFormat format);
-int gst_video_format_get_component_depth (GstVideoFormat format, int component);
-int gst_video_format_get_row_stride (GstVideoFormat format, int component,
- int width);
-int gst_video_format_get_pixel_stride (GstVideoFormat format, int component);
-int gst_video_format_get_component_width (GstVideoFormat format, int component,
- int width);
-int gst_video_format_get_component_height (GstVideoFormat format, int component,
- int height);
-int gst_video_format_get_component_offset (GstVideoFormat format, int component,
- int width, int height);
-int gst_video_format_get_size (GstVideoFormat format, int width, int height);
-gboolean gst_video_format_convert (GstVideoFormat format, int width, int height,
- int fps_n, int fps_d,
- GstFormat src_format, gint64 src_value,
- GstFormat dest_format, gint64 * dest_value);
-
-GstEvent *gst_video_event_new_still_frame (gboolean in_still);
-gboolean gst_video_event_parse_still_frame (GstEvent *event, gboolean *in_still);
-
-GstBuffer *gst_video_convert_frame(GstBuffer *buf, const GstCaps *to_caps,
- GstClockTime timeout, GError **error);
-
-typedef void (*GstVideoConvertFrameCallback) (GstBuffer *buf, GError *error, gpointer user_data);
-void gst_video_convert_frame_async(GstBuffer *buf, const GstCaps *to_caps,
- GstClockTime timeout, GstVideoConvertFrameCallback callback,
- gpointer user_data, GDestroyNotify destroy_notify);
+
+const GValue * gst_video_frame_rate (GstPad * pad);
+
+gboolean gst_video_get_size (GstPad * pad,
+ gint * width,
+ gint * height);
+
+gboolean gst_video_calculate_display_ratio (guint * dar_n,
+ guint * dar_d,
+ guint video_width,
+ guint video_height,
+ guint video_par_n,
+ guint video_par_d,
+ guint display_par_n,
+ guint display_par_d);
+
+gboolean gst_video_format_parse_caps (const GstCaps * caps,
+ GstVideoFormat * format,
+ int * width,
+ int * height);
+
+gboolean gst_video_format_parse_caps_interlaced (GstCaps * caps,
+ gboolean * interlaced);
+
+
+gboolean gst_video_parse_caps_pixel_aspect_ratio (GstCaps * caps,
+ int * par_n,
+ int * par_d);
+
+gboolean gst_video_parse_caps_framerate (GstCaps * caps,
+ int * fps_n,
+ int * fps_d);
+
+const char * gst_video_parse_caps_color_matrix (GstCaps * caps);
+
+const char * gst_video_parse_caps_chroma_site (GstCaps * caps);
+
+GstBuffer * gst_video_parse_caps_palette (GstCaps * caps);
+
+/* create caps given format and details */
+
+GstCaps * gst_video_format_new_caps (GstVideoFormat format,
+ int width, int height,
+ int framerate_n,
+ int framerate_d,
+ int par_n, int par_d);
+
+GstCaps * gst_video_format_new_caps_interlaced (GstVideoFormat format,
+ int width, int height,
+ int framerate_n,
+ int framerate_d,
+ int par_n, int par_d,
+ gboolean interlaced);
+
+GstCaps * gst_video_format_new_template_caps (GstVideoFormat format);
+
+/* format properties */
+
+GstVideoFormat gst_video_format_from_fourcc (guint32 fourcc) G_GNUC_CONST;
+
+guint32 gst_video_format_to_fourcc (GstVideoFormat format) G_GNUC_CONST;
+
+gboolean gst_video_format_is_rgb (GstVideoFormat format) G_GNUC_CONST;
+
+gboolean gst_video_format_is_yuv (GstVideoFormat format) G_GNUC_CONST;
+
+gboolean gst_video_format_is_gray (GstVideoFormat format) G_GNUC_CONST;
+
+gboolean gst_video_format_has_alpha (GstVideoFormat format) G_GNUC_CONST;
+
+
+int gst_video_format_get_component_depth (GstVideoFormat format,
+ int component) G_GNUC_CONST;
+
+int gst_video_format_get_row_stride (GstVideoFormat format,
+ int component,
+ int width) G_GNUC_CONST;
+
+int gst_video_format_get_pixel_stride (GstVideoFormat format,
+ int component) G_GNUC_CONST;
+
+int gst_video_format_get_component_width (GstVideoFormat format,
+ int component,
+ int width) G_GNUC_CONST;
+
+int gst_video_format_get_component_height (GstVideoFormat format,
+ int component,
+ int height) G_GNUC_CONST;
+
+int gst_video_format_get_component_offset (GstVideoFormat format,
+ int component,
+ int width,
+ int height) G_GNUC_CONST;
+
+int gst_video_format_get_size (GstVideoFormat format,
+ int width,
+ int height) G_GNUC_CONST;
+
+gboolean gst_video_get_size_from_caps (const GstCaps * caps, gint * size);
+
+gboolean gst_video_format_convert (GstVideoFormat format,
+ int width,
+ int height,
+ int fps_n,
+ int fps_d,
+ GstFormat src_format,
+ gint64 src_value,
+ GstFormat dest_format,
+ gint64 * dest_value);
+
+/* video still frame event creation and parsing */
+
+GstEvent * gst_video_event_new_still_frame (gboolean in_still);
+
+gboolean gst_video_event_parse_still_frame (GstEvent * event, gboolean * in_still);
+
+/* video force key unit event creation and parsing */
+
+GstEvent * gst_video_event_new_downstream_force_key_unit (GstClockTime timestamp,
+ GstClockTime streamtime,
+ GstClockTime runningtime,
+ gboolean all_headers,
+ guint count);
+
+gboolean gst_video_event_parse_downstream_force_key_unit (GstEvent * event,
+ GstClockTime * timestamp,
+ GstClockTime * streamtime,
+ GstClockTime * runningtime,
+ gboolean * all_headers,
+ guint * count);
+
+GstEvent * gst_video_event_new_upstream_force_key_unit (GstClockTime running_time,
+ gboolean all_headers,
+ guint count);
+
+gboolean gst_video_event_parse_upstream_force_key_unit (GstEvent * event,
+ GstClockTime * running_time,
+ gboolean * all_headers,
+ guint * count);
+
+gboolean gst_video_event_is_force_key_unit(GstEvent *event);
+
+/* convert/encode video frame from one format to another */
+
+typedef void (*GstVideoConvertFrameCallback) (GstBuffer * buf, GError *error, gpointer user_data);
+
+void gst_video_convert_frame_async (GstBuffer * buf,
+ const GstCaps * to_caps,
+ GstClockTime timeout,
+ GstVideoConvertFrameCallback callback,
+ gpointer user_data,
+ GDestroyNotify destroy_notify);
+
+GstBuffer * gst_video_convert_frame (GstBuffer * buf,
+ const GstCaps * to_caps,
+ GstClockTime timeout,
+ GError ** error);
G_END_DECLS
projects / framework / multimedia / gst-plugins-base0.10.git / blobdiff