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docs: standardize GstControlSource, GstDateTime documentation
* Don't repeat what annotations are stating with respect to ownership transfer, nullability * Misc cleanup / typo fixes / addition of links Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/759>
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3 changed files with 20 additions and 42 deletions
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@ -54,7 +54,7 @@ typedef struct _GstValueArray GstValueArray;
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* @timestamp: timestamp of the value change
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* @value: the corresponding value
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*
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* Structure for saving a timestamp and a value.
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* Structure for storing a timestamp and a value.
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*/
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struct _GstTimedValue
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{
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@ -84,7 +84,7 @@ typedef gboolean (* GstControlSourceGetValue) (GstControlSource *self,
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* @n_values: the number of values
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* @values: array to put control-values in
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*
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* Function for returning an array of values for starting at a given timestamp.
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* Function for returning an array of values starting at a given timestamp.
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*
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* Returns: %TRUE if the values were successfully calculated.
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*
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@ -94,6 +94,7 @@ typedef gboolean (* GstControlSourceGetValueArray) (GstControlSource *self,
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/**
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* GstControlSource:
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* @parent: the parent structure
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* @get_value: Function for returning a value for a given timestamp
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* @get_value_array: Function for returning a values array for a given timestamp
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*
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@ -37,9 +37,11 @@
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* Struct to store date, time and timezone information altogether.
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* #GstDateTime is refcounted and immutable.
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*
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* Date information is handled using the proleptic Gregorian calendar.
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* Date information is handled using the [proleptic Gregorian calendar].
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*
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* Provides basic creation functions and accessor functions to its fields.
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*
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* [proleptic Gregorian calendar]: https://en.wikipedia.org/wiki/Proleptic_Gregorian_calendar
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*/
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typedef enum
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@ -70,12 +72,10 @@ static void gst_date_time_free (GstDateTime * datetime);
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/**
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* gst_date_time_new_from_g_date_time:
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* @dt: (transfer full) (nullable): the #GDateTime. The new #GstDateTime takes ownership.
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* @dt: (transfer full) (nullable): the #GDateTime.
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*
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* Creates a new #GstDateTime from a #GDateTime object.
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*
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* Free-function: gst_date_time_unref
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*
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* Returns: (transfer full) (nullable): a newly created #GstDateTime,
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* or %NULL if @dt is %NULL.
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*/
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@ -103,8 +103,6 @@ gst_date_time_new_from_g_date_time (GDateTime * dt)
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*
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* Creates a new #GDateTime from a fully defined #GstDateTime object.
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*
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* Free-function: g_date_time_unref
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*
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* Returns: (transfer full) (nullable): a newly created #GDateTime, or
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* %NULL on error or if @datetime does not have a year, month, day, hour,
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* minute and second.
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@ -196,7 +194,7 @@ gst_date_time_has_second (const GstDateTime * datetime)
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* gst_date_time_get_year:
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* @datetime: a #GstDateTime
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*
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* Returns the year of this #GstDateTime
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* Returns the year of this #GstDateTime.
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* Call gst_date_time_has_year() before, to avoid warnings.
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*
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* Return value: The year of this #GstDateTime
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@ -359,8 +357,6 @@ gst_date_time_get_time_zone_offset (const GstDateTime * datetime)
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*
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* @year should be from 1 to 9999.
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*
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* Free-function: gst_date_time_unref
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*
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* Return value: (transfer full) (nullable): the newly created #GstDateTime,
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* or %NULL on error.
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*/
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@ -383,8 +379,6 @@ gst_date_time_new_y (gint year)
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* If value is -1 then all over value will be ignored. For example
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* if @month == -1, then #GstDateTime will created only for @year.
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*
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* Free-function: gst_date_time_unref
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*
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* Return value: (transfer full) (nullable): the newly created #GstDateTime,
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* or %NULL on error.
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*/
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@ -411,8 +405,6 @@ gst_date_time_new_ym (gint year, gint month)
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* @day == -1, then #GstDateTime will created for @year and @month and
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* so on.
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*
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* Free-function: gst_date_time_unref
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*
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* Return value: (transfer full) (nullable): the newly created #GstDateTime,
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* or %NULL on error.
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*/
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@ -429,8 +421,6 @@ gst_date_time_new_ymd (gint year, gint month, gint day)
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* Creates a new #GstDateTime using the time since Jan 1, 1970 specified by
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* @secs. The #GstDateTime is in the local timezone.
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*
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* Free-function: gst_date_time_unref
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*
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* Return value: (transfer full) (nullable): the newly created #GstDateTime,
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* or %NULL on error.
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*/
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@ -453,8 +443,6 @@ gst_date_time_new_from_unix_epoch_local_time (gint64 secs)
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* Creates a new #GstDateTime using the time since Jan 1, 1970 specified by
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* @secs. The #GstDateTime is in the UTC timezone.
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*
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* Free-function: gst_date_time_unref
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*
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* Return value: (transfer full) (nullable): the newly created #GstDateTime,
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* or %NULL on error.
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*/
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@ -577,8 +565,6 @@ gst_date_time_check_fields (gint * year, gint * month, gint * day,
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* @month and @day, and the time fields will be considered not set. In this
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* case @minute and @seconds should also be -1.
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*
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* Free-function: gst_date_time_unref
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*
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* Return value: (transfer full) (nullable): the newly created #GstDateTime,
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* or %NULL on error.
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*/
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@ -628,8 +614,6 @@ gst_date_time_new_local_time (gint year, gint month, gint day, gint hour,
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*
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* Creates a new #GstDateTime representing the current date and time.
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*
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* Free-function: gst_date_time_unref
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*
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* Return value: (transfer full) (nullable): the newly created #GstDateTime which should
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* be freed with gst_date_time_unref(), or %NULL on error.
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*/
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@ -651,8 +635,6 @@ gst_date_time_new_now_local_time (void)
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* Creates a new #GstDateTime that represents the current instant at Universal
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* coordinated time.
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*
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* Free-function: gst_date_time_unref
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*
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* Return value: (transfer full) (nullable): the newly created #GstDateTime which should
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* be freed with gst_date_time_unref(), or %NULL on error.
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*/
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@ -712,12 +694,10 @@ __gst_date_time_compare (const GstDateTime * dt1, const GstDateTime * dt2)
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* representing it in hours for most timezones.
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*
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* If value is -1 then all over value will be ignored. For example
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* if @month == -1, then #GstDateTime will created only for @year. If
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* @day == -1, then #GstDateTime will created for @year and @month and
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* if @month == -1, then #GstDateTime will be created only for @year. If
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* @day == -1, then #GstDateTime will be created for @year and @month and
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* so on.
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*
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* Free-function: gst_date_time_unref
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*
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* Return value: (transfer full) (nullable): the newly created #GstDateTime,
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* or %NULL on error.
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*/
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@ -859,16 +839,15 @@ done:
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/**
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* gst_date_time_to_iso8601_string:
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* @datetime: GstDateTime.
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* @datetime: a #GstDateTime.
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*
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* Create a minimal string compatible with ISO-8601. Possible output formats
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* are (for example): 2012, 2012-06, 2012-06-23, 2012-06-23T23:30Z,
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* 2012-06-23T23:30+0100, 2012-06-23T23:30:59Z, 2012-06-23T23:30:59+0100
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* are (for example): `2012`, `2012-06`, `2012-06-23`, `2012-06-23T23:30Z`,
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* `2012-06-23T23:30+0100`, `2012-06-23T23:30:59Z`, `2012-06-23T23:30:59+0100`
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*
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* Returns: (nullable): a newly allocated string formatted according
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* to ISO 8601 and only including the datetime fields that are
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* valid, or %NULL in case there was an error. The string should
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* be freed with g_free().
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* valid, or %NULL in case there was an error.
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*/
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gchar *
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gst_date_time_to_iso8601_string (GstDateTime * datetime)
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@ -887,15 +866,13 @@ gst_date_time_to_iso8601_string (GstDateTime * datetime)
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*
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* Tries to parse common variants of ISO-8601 datetime strings into a
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* #GstDateTime. Possible input formats are (for example):
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* 2012-06-30T22:46:43Z, 2012, 2012-06, 2012-06-30, 2012-06-30T22:46:43-0430,
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* 2012-06-30T22:46Z, 2012-06-30T22:46-0430, 2012-06-30 22:46,
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* 2012-06-30 22:46:43, 2012-06-00, 2012-00-00, 2012-00-30, 22:46:43Z, 22:46Z,
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* 22:46:43-0430, 22:46-0430, 22:46:30, 22:46
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* `2012-06-30T22:46:43Z`, `2012`, `2012-06`, `2012-06-30`, `2012-06-30T22:46:43-0430`,
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* `2012-06-30T22:46Z`, `2012-06-30T22:46-0430`, `2012-06-30 22:46`,
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* `2012-06-30 22:46:43`, `2012-06-00`, `2012-00-00`, `2012-00-30`, `22:46:43Z`, `22:46Z`,
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* `22:46:43-0430`, `22:46-0430`, `22:46:30`, `22:46`
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* If no date is provided, it is assumed to be "today" in the timezone
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* provided (if any), otherwise UTC.
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*
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* Free-function: gst_date_time_unref
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*
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* Returns: (transfer full) (nullable): a newly created #GstDateTime,
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* or %NULL on error
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*/
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@ -32,8 +32,8 @@ G_BEGIN_DECLS
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* GstDateTime:
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*
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* Opaque, immutable, refcounted struct that stores date, time and timezone
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* information. It currently supports ranges from 0001-01-01 to
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* 9999-12-31 in the Gregorian proleptic calendar.
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* information. It currently supports ranges from `0001-01-01` to
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* `9999-12-31` in the Gregorian proleptic calendar.
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*
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* Use the accessor functions to get the stored values.
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*/
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