G_BEGIN_DECLS
-GST_EXPORT GType _gst_buffer_type;
+GST_API GType _gst_buffer_type;
typedef struct _GstBuffer GstBuffer;
typedef struct _GstBufferPool GstBufferPool;
guint64 offset_end;
};
-GST_EXPORT
+GST_API
GType gst_buffer_get_type (void);
-GST_EXPORT
+GST_API
guint gst_buffer_get_max_memory (void);
/* allocation */
-GST_EXPORT
+GST_API
GstBuffer * gst_buffer_new (void);
-GST_EXPORT
+GST_API
GstBuffer * gst_buffer_new_allocate (GstAllocator * allocator, gsize size,
GstAllocationParams * params);
-GST_EXPORT
+GST_API
GstBuffer * gst_buffer_new_wrapped_full (GstMemoryFlags flags, gpointer data, gsize maxsize,
gsize offset, gsize size, gpointer user_data,
GDestroyNotify notify);
-GST_EXPORT
+GST_API
GstBuffer * gst_buffer_new_wrapped (gpointer data, gsize size);
+GST_API
+GstBuffer * gst_buffer_new_wrapped_bytes (GBytes * bytes);
/* memory blocks */
-GST_EXPORT
+GST_API
guint gst_buffer_n_memory (GstBuffer *buffer);
-GST_EXPORT
+GST_API
void gst_buffer_insert_memory (GstBuffer *buffer, gint idx, GstMemory *mem);
-GST_EXPORT
+GST_API
void gst_buffer_replace_memory_range (GstBuffer *buffer, guint idx, gint length, GstMemory *mem);
-GST_EXPORT
+GST_API
GstMemory * gst_buffer_peek_memory (GstBuffer *buffer, guint idx);
-GST_EXPORT
+GST_API
GstMemory * gst_buffer_get_memory_range (GstBuffer *buffer, guint idx, gint length);
-GST_EXPORT
+GST_API
void gst_buffer_remove_memory_range (GstBuffer *buffer, guint idx, gint length);
-GST_EXPORT
+GST_API
void gst_buffer_prepend_memory (GstBuffer *buffer, GstMemory *mem);
-GST_EXPORT
+GST_API
void gst_buffer_append_memory (GstBuffer *buffer, GstMemory *mem);
-GST_EXPORT
+GST_API
void gst_buffer_replace_memory (GstBuffer *buffer, guint idx, GstMemory *mem);
-GST_EXPORT
+GST_API
void gst_buffer_replace_all_memory (GstBuffer *buffer, GstMemory *mem);
-GST_EXPORT
+GST_API
GstMemory * gst_buffer_get_memory (GstBuffer *buffer, guint idx);
-GST_EXPORT
+GST_API
GstMemory * gst_buffer_get_all_memory (GstBuffer *buffer);
-GST_EXPORT
+GST_API
void gst_buffer_remove_memory (GstBuffer *buffer, guint idx);
-GST_EXPORT
+GST_API
void gst_buffer_remove_all_memory (GstBuffer *buffer);
-GST_EXPORT
+GST_API
gboolean gst_buffer_find_memory (GstBuffer *buffer, gsize offset, gsize size,
guint *idx, guint *length, gsize *skip);
-GST_EXPORT
+GST_API
gboolean gst_buffer_is_memory_range_writable (GstBuffer *buffer, guint idx, gint length);
-GST_EXPORT
+GST_API
gboolean gst_buffer_is_all_memory_writable (GstBuffer *buffer);
-GST_EXPORT
+GST_API
gsize gst_buffer_fill (GstBuffer *buffer, gsize offset,
gconstpointer src, gsize size);
-GST_EXPORT
+GST_API
gsize gst_buffer_extract (GstBuffer *buffer, gsize offset,
gpointer dest, gsize size);
-GST_EXPORT
+GST_API
gint gst_buffer_memcmp (GstBuffer *buffer, gsize offset,
gconstpointer mem, gsize size);
-GST_EXPORT
+GST_API
gsize gst_buffer_memset (GstBuffer *buffer, gsize offset,
guint8 val, gsize size);
-GST_EXPORT
+GST_API
gsize gst_buffer_get_sizes_range (GstBuffer *buffer, guint idx, gint length,
gsize *offset, gsize *maxsize);
-GST_EXPORT
+GST_API
gboolean gst_buffer_resize_range (GstBuffer *buffer, guint idx, gint length,
gssize offset, gssize size);
-GST_EXPORT
+GST_API
gsize gst_buffer_get_sizes (GstBuffer *buffer, gsize *offset, gsize *maxsize);
-GST_EXPORT
+GST_API
gsize gst_buffer_get_size (GstBuffer *buffer);
-GST_EXPORT
+GST_API
void gst_buffer_resize (GstBuffer *buffer, gssize offset, gssize size);
-GST_EXPORT
+GST_API
void gst_buffer_set_size (GstBuffer *buffer, gssize size);
-GST_EXPORT
+GST_API
gboolean gst_buffer_map_range (GstBuffer *buffer, guint idx, gint length,
GstMapInfo *info, GstMapFlags flags);
-GST_EXPORT
+GST_API
gboolean gst_buffer_map (GstBuffer *buffer, GstMapInfo *info, GstMapFlags flags);
-GST_EXPORT
+GST_API
void gst_buffer_unmap (GstBuffer *buffer, GstMapInfo *info);
-GST_EXPORT
+GST_API
void gst_buffer_extract_dup (GstBuffer *buffer, gsize offset,
gsize size, gpointer *dest,
gsize *dest_size);
-GST_EXPORT
+GST_API
GstBufferFlags gst_buffer_get_flags (GstBuffer * buffer);
-GST_EXPORT
+GST_API
gboolean gst_buffer_has_flags (GstBuffer * buffer, GstBufferFlags flags);
-GST_EXPORT
+GST_API
gboolean gst_buffer_set_flags (GstBuffer * buffer, GstBufferFlags flags);
-GST_EXPORT
+GST_API
gboolean gst_buffer_unset_flags (GstBuffer * buffer, GstBufferFlags flags);
gst_mini_object_unref (GST_MINI_OBJECT_CAST (buf));
}
+/**
+ * gst_clear_buffer: (skip)
+ * @buf_ptr: a pointer to a #GstBuffer reference
+ *
+ * Clears a reference to a #GstBuffer.
+ *
+ * @buf_ptr must not be %NULL.
+ *
+ * If the reference is %NULL then this function does nothing. Otherwise, the
+ * reference count of the buffer is decreased and the pointer is set to %NULL.
+ *
+ * Since: 1.16
+ */
+static inline void
+gst_clear_buffer (GstBuffer ** buf_ptr)
+{
+ gst_clear_mini_object ((GstMiniObject **) buf_ptr);
+}
+
/* copy buffer */
/**
* gst_buffer_copy:
return GST_BUFFER (gst_mini_object_copy (GST_MINI_OBJECT_CONST_CAST (buf)));
}
-GST_EXPORT
+GST_API
GstBuffer * gst_buffer_copy_deep (const GstBuffer * buf);
/**
/* copies memory or metadata into newly allocated buffer */
-GST_EXPORT
+GST_API
gboolean gst_buffer_copy_into (GstBuffer *dest, GstBuffer *src,
GstBufferCopyFlags flags,
gsize offset, gsize size);
/* creating a region */
-GST_EXPORT
+GST_API
GstBuffer* gst_buffer_copy_region (GstBuffer *parent, GstBufferCopyFlags flags,
gsize offset, gsize size);
/* append two buffers */
-GST_EXPORT
+GST_API
GstBuffer* gst_buffer_append_region (GstBuffer *buf1, GstBuffer *buf2,
gssize offset, gssize size);
-GST_EXPORT
+GST_API
GstBuffer* gst_buffer_append (GstBuffer *buf1, GstBuffer *buf2);
/* metadata */
typedef gboolean (*GstBufferForeachMetaFunc) (GstBuffer *buffer, GstMeta **meta,
gpointer user_data);
-GST_EXPORT
+GST_API
GstMeta * gst_buffer_get_meta (GstBuffer *buffer, GType api);
-GST_EXPORT
+GST_API
guint gst_buffer_get_n_meta (GstBuffer *buffer, GType api_type);
-GST_EXPORT
+GST_API
GstMeta * gst_buffer_add_meta (GstBuffer *buffer, const GstMetaInfo *info,
gpointer params);
-GST_EXPORT
+GST_API
gboolean gst_buffer_remove_meta (GstBuffer *buffer, GstMeta *meta);
-GST_EXPORT
+GST_API
GstMeta * gst_buffer_iterate_meta (GstBuffer *buffer, gpointer *state);
-GST_EXPORT
+GST_API
GstMeta * gst_buffer_iterate_meta_filtered (GstBuffer * buffer,
gpointer * state,
GType meta_api_type);
-GST_EXPORT
+GST_API
gboolean gst_buffer_foreach_meta (GstBuffer *buffer,
GstBufferForeachMetaFunc func,
gpointer user_data);
GstBuffer *buffer;
};
-GST_EXPORT
+GST_API
GType gst_parent_buffer_meta_api_get_type (void);
#ifndef GST_DISABLE_DEPRECATED
#define GST_TYPE_PARENT_BUFFER_META_API_TYPE GST_PARENT_BUFFER_META_API_TYPE
#define gst_buffer_get_parent_buffer_meta(b) \
((GstParentBufferMeta*)gst_buffer_get_meta((b),GST_PARENT_BUFFER_META_API_TYPE))
-GST_EXPORT
+GST_API
const GstMetaInfo *gst_parent_buffer_meta_get_info (void);
#define GST_PARENT_BUFFER_META_INFO (gst_parent_buffer_meta_get_info())
/* implementation */
-GST_EXPORT
+GST_API
GstParentBufferMeta *gst_buffer_add_parent_buffer_meta (GstBuffer *buffer,
GstBuffer *ref);
GstClockTime timestamp, duration;
};
-GST_EXPORT
+GST_API
GType gst_reference_timestamp_meta_api_get_type (void);
#define GST_REFERENCE_TIMESTAMP_META_API_TYPE (gst_reference_timestamp_meta_api_get_type())
-GST_EXPORT
+GST_API
const GstMetaInfo *gst_reference_timestamp_meta_get_info (void);
#define GST_REFERENCE_TIMESTAMP_META_INFO (gst_reference_timestamp_meta_get_info())
/* implementation */
-GST_EXPORT
+GST_API
GstReferenceTimestampMeta * gst_buffer_add_reference_timestamp_meta (GstBuffer * buffer,
GstCaps * reference,
GstClockTime timestamp,
GstClockTime duration);
-GST_EXPORT
+GST_API
GstReferenceTimestampMeta * gst_buffer_get_reference_timestamp_meta (GstBuffer * buffer,
GstCaps * reference);