G_BEGIN_DECLS
+GST_API
void gst_util_set_value_from_string (GValue *value, const gchar *value_str);
+
+GST_API
void gst_util_set_object_arg (GObject *object, const gchar *name, const gchar *value);
+
+GST_API
+gboolean gst_util_set_object_array (GObject * object, const gchar * name,
+ const GValueArray * array);
+GST_API
+gboolean gst_util_get_object_array (GObject * object, const gchar * name,
+ GValueArray ** array);
+GST_API
void gst_util_dump_mem (const guchar *mem, guint size);
+GST_API
+void gst_util_dump_buffer (GstBuffer * buf);
+
+GST_API
guint64 gst_util_gdouble_to_guint64 (gdouble value) G_GNUC_CONST;
+
+GST_API
gdouble gst_util_guint64_to_gdouble (guint64 value) G_GNUC_CONST;
/**
#define gst_guint64_to_gdouble(value) ((gdouble) (value))
#endif
+GST_API
guint64 gst_util_uint64_scale (guint64 val, guint64 num, guint64 denom);
+
+GST_API
guint64 gst_util_uint64_scale_round (guint64 val, guint64 num, guint64 denom);
+
+GST_API
guint64 gst_util_uint64_scale_ceil (guint64 val, guint64 num, guint64 denom);
+GST_API
guint64 gst_util_uint64_scale_int (guint64 val, gint num, gint denom);
+
+GST_API
guint64 gst_util_uint64_scale_int_round (guint64 val, gint num, gint denom);
+
+GST_API
guint64 gst_util_uint64_scale_int_ceil (guint64 val, gint num, gint denom);
+/**
+ * GST_SEQNUM_INVALID:
+ *
+ * A value which is guaranteed to never be returned by
+ * gst_util_seqnum_next().
+ *
+ * Can be used as a default value in variables used to store seqnum.
+ *
+ * Since: 1.14
+ */
+#define GST_SEQNUM_INVALID (0)
+
+GST_API
guint32 gst_util_seqnum_next (void);
+
+GST_API
gint32 gst_util_seqnum_compare (guint32 s1, guint32 s2);
+/**
+ * GST_GROUP_ID_INVALID:
+ *
+ * A value which is guaranteed to never be returned by
+ * gst_util_group_id_next().
+ *
+ * Can be used as a default value in variables used to store group_id.
+ *
+ * Since: 1.14
+ */
+#define GST_GROUP_ID_INVALID (0)
+
+GST_API
guint gst_util_group_id_next (void);
/**
}
# define _GST_FAST_READ(s, d) __gst_fast_read##s((const guint8 *)(d))
# define _GST_FAST_READ_SWAP(s, d) __gst_fast_read_swap##s((const guint8 *)(d))
+
+static inline void __gst_fast_write16 (guint8 *p, guint16 v) {
+ *(guint16*)(void*)(p) = v;
+}
+static inline void __gst_fast_write32 (guint8 *p, guint32 v) {
+ *(guint32*)(void*)(p) = v;
+}
+static inline void __gst_fast_write64 (guint8 *p, guint64 v) {
+ *(guint64*)(void*)(p) = v;
+}
+static inline void __gst_fast_write_swap16 (guint8 *p, guint16 v) {
+ *(guint16*)(void*)(p) = GUINT16_SWAP_LE_BE (v);
+}
+static inline void __gst_fast_write_swap32 (guint8 *p, guint32 v) {
+ *(guint32*)(void*)(p) = GUINT32_SWAP_LE_BE (v);
+}
+static inline void __gst_fast_write_swap64 (guint8 *p, guint64 v) {
+ *(guint64*)(void*)(p) = GUINT64_SWAP_LE_BE (v);
+}
+# define _GST_FAST_WRITE(s, d, v) __gst_fast_write##s((guint8 *)(d), (v))
+# define _GST_FAST_WRITE_SWAP(s, d, v) __gst_fast_write_swap##s((guint8 *)(d), (v))
#endif
#endif
/**
* GST_WRITE_UINT64_BE:
* @data: memory location
- * @num: value to store
+ * @val: value to store
*
* Store a 64 bit unsigned integer value in big endian format into the memory buffer.
*/
-#define GST_WRITE_UINT64_BE(data, num) do { \
- gpointer __put_data = data; \
- _GST_PUT (__put_data, 0, 64, 56, num); \
- _GST_PUT (__put_data, 1, 64, 48, num); \
- _GST_PUT (__put_data, 2, 64, 40, num); \
- _GST_PUT (__put_data, 3, 64, 32, num); \
- _GST_PUT (__put_data, 4, 64, 24, num); \
- _GST_PUT (__put_data, 5, 64, 16, num); \
- _GST_PUT (__put_data, 6, 64, 8, num); \
- _GST_PUT (__put_data, 7, 64, 0, num); \
- } while (0)
-
/**
* GST_WRITE_UINT64_LE:
* @data: memory location
- * @num: value to store
+ * @val: value to store
*
* Store a 64 bit unsigned integer value in little endian format into the memory buffer.
*/
-#define GST_WRITE_UINT64_LE(data, num) do { \
+#if GST_HAVE_UNALIGNED_ACCESS
+# if (G_BYTE_ORDER == G_BIG_ENDIAN)
+# define GST_WRITE_UINT64_BE(data,val) _GST_FAST_WRITE(64,data,val)
+# define GST_WRITE_UINT64_LE(data,val) _GST_FAST_WRITE_SWAP(64,data,val)
+# else
+# define GST_WRITE_UINT64_BE(data,val) _GST_FAST_WRITE_SWAP(64,data,val)
+# define GST_WRITE_UINT64_LE(data,val) _GST_FAST_WRITE(64,data,val)
+# endif
+#else
+#define GST_WRITE_UINT64_BE(data,val) do { \
+ gpointer __put_data = data; \
+ guint64 __put_val = val; \
+ _GST_PUT (__put_data, 0, 64, 56, __put_val); \
+ _GST_PUT (__put_data, 1, 64, 48, __put_val); \
+ _GST_PUT (__put_data, 2, 64, 40, __put_val); \
+ _GST_PUT (__put_data, 3, 64, 32, __put_val); \
+ _GST_PUT (__put_data, 4, 64, 24, __put_val); \
+ _GST_PUT (__put_data, 5, 64, 16, __put_val); \
+ _GST_PUT (__put_data, 6, 64, 8, __put_val); \
+ _GST_PUT (__put_data, 7, 64, 0, __put_val); \
+ } while (0)
+
+#define GST_WRITE_UINT64_LE(data,val) do { \
gpointer __put_data = data; \
- _GST_PUT (__put_data, 0, 64, 0, num); \
- _GST_PUT (__put_data, 1, 64, 8, num); \
- _GST_PUT (__put_data, 2, 64, 16, num); \
- _GST_PUT (__put_data, 3, 64, 24, num); \
- _GST_PUT (__put_data, 4, 64, 32, num); \
- _GST_PUT (__put_data, 5, 64, 40, num); \
- _GST_PUT (__put_data, 6, 64, 48, num); \
- _GST_PUT (__put_data, 7, 64, 56, num); \
+ guint64 __put_val = val; \
+ _GST_PUT (__put_data, 0, 64, 0, __put_val); \
+ _GST_PUT (__put_data, 1, 64, 8, __put_val); \
+ _GST_PUT (__put_data, 2, 64, 16, __put_val); \
+ _GST_PUT (__put_data, 3, 64, 24, __put_val); \
+ _GST_PUT (__put_data, 4, 64, 32, __put_val); \
+ _GST_PUT (__put_data, 5, 64, 40, __put_val); \
+ _GST_PUT (__put_data, 6, 64, 48, __put_val); \
+ _GST_PUT (__put_data, 7, 64, 56, __put_val); \
} while (0)
+#endif /* !GST_HAVE_UNALIGNED_ACCESS */
/**
* GST_WRITE_UINT32_BE:
* @data: memory location
- * @num: value to store
+ * @val: value to store
*
* Store a 32 bit unsigned integer value in big endian format into the memory buffer.
*/
-#define GST_WRITE_UINT32_BE(data, num) do { \
- gpointer __put_data = data; \
- _GST_PUT (__put_data, 0, 32, 24, num); \
- _GST_PUT (__put_data, 1, 32, 16, num); \
- _GST_PUT (__put_data, 2, 32, 8, num); \
- _GST_PUT (__put_data, 3, 32, 0, num); \
- } while (0)
-
/**
* GST_WRITE_UINT32_LE:
* @data: memory location
- * @num: value to store
+ * @val: value to store
*
* Store a 32 bit unsigned integer value in little endian format into the memory buffer.
*/
-#define GST_WRITE_UINT32_LE(data, num) do { \
+#if GST_HAVE_UNALIGNED_ACCESS
+# if (G_BYTE_ORDER == G_BIG_ENDIAN)
+# define GST_WRITE_UINT32_BE(data,val) _GST_FAST_WRITE(32,data,val)
+# define GST_WRITE_UINT32_LE(data,val) _GST_FAST_WRITE_SWAP(32,data,val)
+# else
+# define GST_WRITE_UINT32_BE(data,val) _GST_FAST_WRITE_SWAP(32,data,val)
+# define GST_WRITE_UINT32_LE(data,val) _GST_FAST_WRITE(32,data,val)
+# endif
+#else
+#define GST_WRITE_UINT32_BE(data,val) do { \
+ gpointer __put_data = data; \
+ guint32 __put_val = val; \
+ _GST_PUT (__put_data, 0, 32, 24, __put_val); \
+ _GST_PUT (__put_data, 1, 32, 16, __put_val); \
+ _GST_PUT (__put_data, 2, 32, 8, __put_val); \
+ _GST_PUT (__put_data, 3, 32, 0, __put_val); \
+ } while (0)
+
+#define GST_WRITE_UINT32_LE(data,val) do { \
gpointer __put_data = data; \
- _GST_PUT (__put_data, 0, 32, 0, num); \
- _GST_PUT (__put_data, 1, 32, 8, num); \
- _GST_PUT (__put_data, 2, 32, 16, num); \
- _GST_PUT (__put_data, 3, 32, 24, num); \
+ guint32 __put_val = val; \
+ _GST_PUT (__put_data, 0, 32, 0, __put_val); \
+ _GST_PUT (__put_data, 1, 32, 8, __put_val); \
+ _GST_PUT (__put_data, 2, 32, 16, __put_val); \
+ _GST_PUT (__put_data, 3, 32, 24, __put_val); \
} while (0)
+#endif /* !GST_HAVE_UNALIGNED_ACCESS */
/**
* GST_WRITE_UINT24_BE:
*/
#define GST_WRITE_UINT24_BE(data, num) do { \
gpointer __put_data = data; \
- _GST_PUT (__put_data, 0, 32, 16, num); \
- _GST_PUT (__put_data, 1, 32, 8, num); \
- _GST_PUT (__put_data, 2, 32, 0, num); \
+ guint32 __put_val = num; \
+ _GST_PUT (__put_data, 0, 32, 16, __put_val); \
+ _GST_PUT (__put_data, 1, 32, 8, __put_val); \
+ _GST_PUT (__put_data, 2, 32, 0, __put_val); \
} while (0)
/**
*/
#define GST_WRITE_UINT24_LE(data, num) do { \
gpointer __put_data = data; \
- _GST_PUT (__put_data, 0, 32, 0, num); \
- _GST_PUT (__put_data, 1, 32, 8, num); \
- _GST_PUT (__put_data, 2, 32, 16, num); \
+ guint32 __put_val = num; \
+ _GST_PUT (__put_data, 0, 32, 0, __put_val); \
+ _GST_PUT (__put_data, 1, 32, 8, __put_val); \
+ _GST_PUT (__put_data, 2, 32, 16, __put_val); \
} while (0)
/**
* GST_WRITE_UINT16_BE:
* @data: memory location
- * @num: value to store
+ * @val: value to store
*
* Store a 16 bit unsigned integer value in big endian format into the memory buffer.
*/
-#define GST_WRITE_UINT16_BE(data, num) do { \
- gpointer __put_data = data; \
- _GST_PUT (__put_data, 0, 16, 8, num); \
- _GST_PUT (__put_data, 1, 16, 0, num); \
- } while (0)
-
/**
* GST_WRITE_UINT16_LE:
* @data: memory location
- * @num: value to store
+ * @val: value to store
*
* Store a 16 bit unsigned integer value in little endian format into the memory buffer.
*/
-#define GST_WRITE_UINT16_LE(data, num) do { \
+#if GST_HAVE_UNALIGNED_ACCESS
+# if (G_BYTE_ORDER == G_BIG_ENDIAN)
+# define GST_WRITE_UINT16_BE(data,val) _GST_FAST_WRITE(16,data,val)
+# define GST_WRITE_UINT16_LE(data,val) _GST_FAST_WRITE_SWAP(16,data,val)
+# else
+# define GST_WRITE_UINT16_BE(data,val) _GST_FAST_WRITE_SWAP(16,data,val)
+# define GST_WRITE_UINT16_LE(data,val) _GST_FAST_WRITE(16,data,val)
+# endif
+#else
+#define GST_WRITE_UINT16_BE(data,val) do { \
gpointer __put_data = data; \
- _GST_PUT (__put_data, 0, 16, 0, num); \
- _GST_PUT (__put_data, 1, 16, 8, num); \
+ guint16 __put_val = val; \
+ _GST_PUT (__put_data, 0, 16, 8, __put_val); \
+ _GST_PUT (__put_data, 1, 16, 0, __put_val); \
} while (0)
+#define GST_WRITE_UINT16_LE(data,val) do { \
+ gpointer __put_data = data; \
+ guint16 __put_val = val; \
+ _GST_PUT (__put_data, 0, 16, 0, __put_val); \
+ _GST_PUT (__put_data, 1, 16, 8, __put_val); \
+ } while (0)
+#endif /* !GST_HAVE_UNALIGNED_ACCESS */
+
/**
* GST_WRITE_UINT8:
* @data: memory location
*
* Returns: @in byte-swapped.
*/
-inline static gfloat
+static inline gfloat
GFLOAT_SWAP_LE_BE(gfloat in)
{
union
*
* Returns: @in byte-swapped.
*/
-inline static gdouble
+static inline gdouble
GDOUBLE_SWAP_LE_BE(gdouble in)
{
union
*
* Returns: The floating point value read from @data
*/
-inline static gfloat
+static inline gfloat
GST_READ_FLOAT_LE(const guint8 *data)
{
union
*
* Returns: The floating point value read from @data
*/
-inline static gfloat
+static inline gfloat
GST_READ_FLOAT_BE(const guint8 *data)
{
union
*
* Returns: The double-precision floating point value read from @data
*/
-inline static gdouble
+static inline gdouble
GST_READ_DOUBLE_LE(const guint8 *data)
{
union
*
* Returns: The double-precision floating point value read from @data
*/
-inline static gdouble
+static inline gdouble
GST_READ_DOUBLE_BE(const guint8 *data)
{
union
*
* Store a 32 bit float value in little endian format into the memory buffer.
*/
-inline static void
+static inline void
GST_WRITE_FLOAT_LE(guint8 *data, gfloat num)
{
union
*
* Store a 32 bit float value in big endian format into the memory buffer.
*/
-inline static void
+static inline void
GST_WRITE_FLOAT_BE(guint8 *data, gfloat num)
{
union
*
* Store a 64 bit double value in little endian format into the memory buffer.
*/
-inline static void
+static inline void
GST_WRITE_DOUBLE_LE(guint8 *data, gdouble num)
{
union
*
* Store a 64 bit double value in big endian format into the memory buffer.
*/
-inline static void
+static inline void
GST_WRITE_DOUBLE_BE(guint8 *data, gdouble num)
{
union
#define GST_ROUND_DOWN_N(num,align) (((num) & ~((align) - 1)))
+GST_API
void gst_object_default_error (GstObject * source,
const GError * error,
const gchar * debug);
/* element functions */
+
+GST_API
void gst_element_create_all_pads (GstElement *element);
+
+GST_API
GstPad* gst_element_get_compatible_pad (GstElement *element, GstPad *pad,
GstCaps *caps);
-
+GST_API
GstPadTemplate* gst_element_get_compatible_pad_template (GstElement *element, GstPadTemplate *compattempl);
+GST_API
const gchar* gst_element_state_get_name (GstState state);
+
+GST_API
const gchar * gst_element_state_change_return_get_name (GstStateChangeReturn state_ret);
+GST_API
+const gchar * gst_state_change_get_name (GstStateChange transition);
+
+GST_API
gboolean gst_element_link (GstElement *src, GstElement *dest);
+
+GST_API
gboolean gst_element_link_many (GstElement *element_1,
GstElement *element_2, ...) G_GNUC_NULL_TERMINATED;
+GST_API
gboolean gst_element_link_filtered (GstElement * src,
GstElement * dest,
GstCaps *filter);
+GST_API
void gst_element_unlink (GstElement *src, GstElement *dest);
+
+GST_API
void gst_element_unlink_many (GstElement *element_1,
GstElement *element_2, ...) G_GNUC_NULL_TERMINATED;
-
+GST_API
gboolean gst_element_link_pads (GstElement *src, const gchar *srcpadname,
GstElement *dest, const gchar *destpadname);
+GST_API
gboolean gst_element_link_pads_full (GstElement *src, const gchar *srcpadname,
GstElement *dest, const gchar *destpadname,
GstPadLinkCheck flags);
+GST_API
void gst_element_unlink_pads (GstElement *src, const gchar *srcpadname,
GstElement *dest, const gchar *destpadname);
-
+GST_API
gboolean gst_element_link_pads_filtered (GstElement * src, const gchar * srcpadname,
GstElement * dest, const gchar * destpadname,
GstCaps *filter);
-
+GST_API
gboolean gst_element_seek_simple (GstElement *element,
GstFormat format,
GstSeekFlags seek_flags,
gint64 seek_pos);
/* util elementfactory functions */
+
+GST_API
gboolean gst_element_factory_can_sink_all_caps (GstElementFactory *factory, const GstCaps *caps);
+
+GST_API
gboolean gst_element_factory_can_src_all_caps (GstElementFactory *factory, const GstCaps *caps);
+
+GST_API
gboolean gst_element_factory_can_sink_any_caps (GstElementFactory *factory, const GstCaps *caps);
+
+GST_API
gboolean gst_element_factory_can_src_any_caps (GstElementFactory *factory, const GstCaps *caps);
/* util query functions */
+
+GST_API
gboolean gst_element_query_position (GstElement *element, GstFormat format, gint64 *cur);
+
+GST_API
gboolean gst_element_query_duration (GstElement *element, GstFormat format, gint64 *duration);
+
+GST_API
gboolean gst_element_query_convert (GstElement *element, GstFormat src_format, gint64 src_val,
GstFormat dest_format, gint64 *dest_val);
/* pad functions */
+
+GST_API
void gst_pad_use_fixed_caps (GstPad *pad);
+
+GST_API
GstElement* gst_pad_get_parent_element (GstPad *pad);
/* util query functions */
+
+GST_API
gboolean gst_pad_proxy_query_accept_caps (GstPad *pad, GstQuery *query);
+
+GST_API
gboolean gst_pad_proxy_query_caps (GstPad *pad, GstQuery *query);
+GST_API
gboolean gst_pad_query_position (GstPad *pad, GstFormat format, gint64 *cur);
+
+GST_API
gboolean gst_pad_query_duration (GstPad *pad, GstFormat format, gint64 *duration);
+
+GST_API
gboolean gst_pad_query_convert (GstPad *pad, GstFormat src_format, gint64 src_val,
GstFormat dest_format, gint64 *dest_val);
+GST_API
GstCaps * gst_pad_query_caps (GstPad *pad, GstCaps *filter);
-gboolean gst_pad_query_accept_caps (GstPad *pad, GstCaps *caps);
+GST_API
+gboolean gst_pad_query_accept_caps (GstPad *pad, GstCaps *caps);
+GST_API
+gboolean gst_pad_link_maybe_ghosting (GstPad *src,
+ GstPad *sink);
+GST_API
+gboolean gst_pad_link_maybe_ghosting_full (GstPad *src,
+ GstPad *sink,
+ GstPadLinkCheck flags);
+GST_API
gboolean gst_pad_peer_query_position (GstPad *pad, GstFormat format, gint64 *cur);
+
+GST_API
gboolean gst_pad_peer_query_duration (GstPad *pad, GstFormat format, gint64 *duration);
+
+GST_API
gboolean gst_pad_peer_query_convert (GstPad *pad, GstFormat src_format, gint64 src_val,
GstFormat dest_format, gint64 *dest_val);
+GST_API
GstCaps * gst_pad_peer_query_caps (GstPad * pad, GstCaps *filter);
+
+GST_API
gboolean gst_pad_peer_query_accept_caps (GstPad * pad, GstCaps *caps);
+GST_API
gchar * gst_pad_create_stream_id (GstPad * pad, GstElement * parent, const gchar *stream_id) G_GNUC_MALLOC;
+
+GST_API
gchar * gst_pad_create_stream_id_printf (GstPad * pad, GstElement * parent, const gchar *stream_id, ...) G_GNUC_PRINTF (3, 4) G_GNUC_MALLOC;
+
+GST_API
gchar * gst_pad_create_stream_id_printf_valist (GstPad * pad, GstElement * parent, const gchar *stream_id, va_list var_args) G_GNUC_PRINTF (3, 0) G_GNUC_MALLOC;
+GST_API
gchar * gst_pad_get_stream_id (GstPad * pad);
+GST_API
+GstStream * gst_pad_get_stream (GstPad * pad);
+
/* bin functions */
+
+GST_API
void gst_bin_add_many (GstBin *bin, GstElement *element_1, ...) G_GNUC_NULL_TERMINATED;
+
+GST_API
void gst_bin_remove_many (GstBin *bin, GstElement *element_1, ...) G_GNUC_NULL_TERMINATED;
+
+GST_API
GstPad * gst_bin_find_unlinked_pad (GstBin *bin, GstPadDirection direction);
+GST_API
gboolean gst_bin_sync_children_states (GstBin *bin);
/* parse utility functions */
+
+GST_API
GstElement * gst_parse_bin_from_description (const gchar * bin_description,
gboolean ghost_unlinked_pads,
GError ** err);
-
+GST_API
GstElement * gst_parse_bin_from_description_full (const gchar * bin_description,
gboolean ghost_unlinked_pads,
GstParseContext * context,
GstParseFlags flags,
GError ** err);
-
+GST_API
GstClockTime gst_util_get_timestamp (void);
/**
GST_SEARCH_MODE_AFTER
} GstSearchMode;
+GST_API
gpointer gst_util_array_binary_search (gpointer array, guint num_elements,
gsize element_size, GCompareDataFunc search_func,
GstSearchMode mode, gconstpointer search_data,
gpointer user_data);
/* fraction operations */
+
+GST_API
gint gst_util_greatest_common_divisor (gint a, gint b);
+
+GST_API
gint64 gst_util_greatest_common_divisor_int64 (gint64 a, gint64 b);
+GST_API
void gst_util_fraction_to_double (gint src_n, gint src_d, gdouble *dest);
+
+GST_API
void gst_util_double_to_fraction (gdouble src, gint *dest_n, gint *dest_d);
+GST_API
gboolean gst_util_fraction_multiply (gint a_n, gint a_d, gint b_n, gint b_d,
gint *res_n, gint *res_d);
+GST_API
gboolean gst_util_fraction_add (gint a_n, gint a_d, gint b_n, gint b_d,
gint *res_n, gint *res_d);
+GST_API
gint gst_util_fraction_compare (gint a_n, gint a_d, gint b_n, gint b_d);
+GST_API
+gboolean gst_calculate_linear_regression (const GstClockTime * xy,
+ GstClockTime * temp, guint n,
+ GstClockTime * m_num, GstClockTime * m_denom,
+ GstClockTime * b, GstClockTime * xbase,
+ gdouble * r_squared);
+
G_END_DECLS
projects / platform / upstream / gstreamer.git / blobdiff