mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-23 16:50:47 +00:00
Code Issues 1 Projects Releases Wiki Activity

videotimecode: Various documentation and annotation fixes

Browse source
This commit is contained in:
Sebastian Dröge 2018-12-14 20:58:40 +02:00 committed by Mathieu Duponchelle
parent df14532b0f
commit 17cc4beaa1
1 changed files with 36 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

62
gst-libs/gst/video/gstvideotimecode.c
View file

@ -115,10 +115,10 @@ gst_video_time_code_is_valid (const GstVideoTimeCode * tc)
/**
* gst_video_time_code_to_string:
* @tc: #GstVideoTimeCode to convert
* @tc: A valid #GstVideoTimeCode to convert
*
* Returns: the SMPTE ST 2059-1:2015 string representation of @tc. That will
* take the form hh:mm:ss:ff . The last separator (between seconds and frames)
* take the form hh:mm:ss:ff. The last separator (between seconds and frames)
* may vary:
*
* ';' for drop-frame, non-interlaced content and for drop-frame interlaced
@ -161,9 +161,11 @@ gst_video_time_code_to_string (const GstVideoTimeCode * tc)
* gst_video_time_code_to_date_time:
* @tc: A valid #GstVideoTimeCode to convert
*
* The @tc.config->latest_daily_jam is required to be non-NULL.
* The @tc.config->latest_daily_jam is required to be non-NULL and non-0/1
* framerate is required.
*
* Returns: the #GDateTime representation of @tc.
* Returns: (nullable): the #GDateTime representation of @tc or %NULL if @tc
* has no daily jam.
*
* Since: 1.10
*/
@ -222,15 +224,15 @@ gst_video_time_code_to_date_time (const GstVideoTimeCode * tc)
/**
* gst_video_time_code_init_from_date_time:
* @tc: a #GstVideoTimeCode
* @tc: an uninitialized #GstVideoTimeCode
* @fps_n: Numerator of the frame rate
* @fps_d: Denominator of the frame rate
* @dt: #GDateTime to convert
* @flags: #GstVideoTimeCodeFlags
* @field_count: Interlaced video field count
*
* The resulting config->latest_daily_jam is set to
* midnight, and timecode is set to the given time.
* The resulting config->latest_daily_jam is set to midnight, and timecode is
* set to the given time.
*
* Will assert on invalid parameters, use gst_video_time_code_init_from_date_time_full()
* for being able to handle invalid parameters.
@ -316,7 +318,8 @@ gst_video_time_code_init_from_date_time_full (GstVideoTimeCode * tc,
* gst_video_time_code_nsec_since_daily_jam:
* @tc: a valid #GstVideoTimeCode
*
* Returns: how many nsec have passed since the daily jam of @tc .
* Returns: how many nsec have passed since the daily jam of @tc or -1 if no
* framerate is known for the timecode.
*
* Since: 1.10
*/
@ -348,7 +351,9 @@ gst_video_time_code_nsec_since_daily_jam (const GstVideoTimeCode * tc)
* gst_video_time_code_frames_since_daily_jam:
* @tc: a valid #GstVideoTimeCode
*
* Returns: how many frames have passed since the daily jam of @tc .
* Returns: how many frames have passed since the daily jam of @tc, or -1 if no
* framerate is known for the timecode or an invalid drop-frame framerate is
* used.
*
* Since: 1.10
*/
@ -400,7 +405,7 @@ gst_video_time_code_frames_since_daily_jam (const GstVideoTimeCode * tc)
* gst_video_time_code_increment_frame:
* @tc: a valid #GstVideoTimeCode
*
* Adds one frame to @tc .
* Adds one frame to @tc.
*
* Since: 1.10
*/
@ -416,7 +421,7 @@ gst_video_time_code_increment_frame (GstVideoTimeCode * tc)
* @frames: How many frames to add or subtract
*
* Adds or subtracts @frames amount of frames to @tc. tc needs to
* contain valid data, as verified by #gst_video_time_code_is_valid.
* contain valid data, as verified by gst_video_time_code_is_valid().
*
* Since: 1.10
*/
@ -525,12 +530,13 @@ gst_video_time_code_add_frames (GstVideoTimeCode * tc, gint64 frames)
/**
* gst_video_time_code_compare:
* @tc1: a #GstVideoTimeCode
* @tc2: another #GstVideoTimeCode
* @tc1: a valid #GstVideoTimeCode
* @tc2: another valid #GstVideoTimeCode with non-0/1 framerate
*
* Compares @tc1 and @tc2 . If both have latest daily jam information, it is
* Compares @tc1 and @tc2. If both have latest daily jam information, it is
* taken into account. Otherwise, it is assumed that the daily jam of both
* @tc1 and @tc2 was at the same time. Both time codes must be valid.
* @tc1 and @tc2 was at the same time. Both time codes must be valid and have
* a non-0/1 framerate.
*
* Returns: 1 if @tc1 is after @tc2, -1 if @tc1 is before @tc2, 0 otherwise.
*
@ -627,7 +633,7 @@ gst_video_time_code_compare (const GstVideoTimeCode * tc1,
*
* Returns: a new #GstVideoTimeCode with the given values.
* The values are not checked for being in a valid range. To see if your
* timecode actually has valid content, use #gst_video_time_code_is_valid.
* timecode actually has valid content, use gst_video_time_code_is_valid().
*
* Since: 1.10
*/
@ -647,7 +653,7 @@ gst_video_time_code_new (guint fps_n, guint fps_d, GDateTime * latest_daily_jam,
/**
* gst_video_time_code_new_empty:
*
* Returns: a new empty #GstVideoTimeCode
* Returns: a new empty, invalid #GstVideoTimeCode
*
* Since: 1.10
*/
@ -704,7 +710,8 @@ gst_video_time_code_deserialize (GValue * dest, const gchar * tc_str)
* gst_video_time_code_new_from_string:
* @tc_str: The string that represents the #GstVideoTimeCode
*
* Returns: a new #GstVideoTimeCode from the given string
* Returns: (nullable): a new #GstVideoTimeCode from the given string or %NULL
* if the string could not be passed.
*
* Since: 1.12
*/
@ -815,7 +822,7 @@ gst_video_time_code_new_from_date_time_full (guint fps_n, guint fps_d,
*
* Initializes @tc with the given values.
* The values are not checked for being in a valid range. To see if your
* timecode actually has valid content, use #gst_video_time_code_is_valid.
* timecode actually has valid content, use gst_video_time_code_is_valid().
*
* Since: 1.10
*/
@ -842,7 +849,8 @@ gst_video_time_code_init (GstVideoTimeCode * tc, guint fps_n, guint fps_d,
* gst_video_time_code_clear:
* @tc: a #GstVideoTimeCode
*
* Initializes @tc with empty/zero/NULL values.
* Initializes @tc with empty/zero/NULL values and frees any memory
* it might currently use.
*
* Since: 1.10
*/
@ -866,7 +874,7 @@ gst_video_time_code_clear (GstVideoTimeCode * tc)
* gst_video_time_code_copy:
* @tc: a #GstVideoTimeCode
*
* Returns: a new #GstVideoTimeCode with the same values as @tc .
* Returns: a new #GstVideoTimeCode with the same values as @tc.
*
* Since: 1.10
*/
@ -882,7 +890,7 @@ gst_video_time_code_copy (const GstVideoTimeCode * tc)
* gst_video_time_code_free:
* @tc: a #GstVideoTimeCode
*
* Frees @tc .
* Frees @tc.
*
* Since: 1.10
*/
@ -912,7 +920,8 @@ gst_video_time_code_free (GstVideoTimeCode * tc)
* adding ("00:09:00;02", "00:01:00:00") will return "00:10:00;00"
* because this time we can have an exact minute.
*
* Returns: A new #GstVideoTimeCode with @tc_inter added.
* Returns: (nullable): A new #GstVideoTimeCode with @tc_inter added or %NULL
* if the interval can't be added.
*
* Since: 1.12
*/
@ -1002,7 +1011,8 @@ gst_video_time_code_interval_new (guint hours, guint minutes, guint seconds,
*
* @tc_inter_str must only have ":" as separators.
*
* Returns: a new #GstVideoTimeCodeInterval from the given string
* Returns: (nullable): a new #GstVideoTimeCodeInterval from the given string
* or %NULL if the string could not be passed.
*
* Since: 1.12
*/
@ -1078,7 +1088,7 @@ gst_video_time_code_interval_clear (GstVideoTimeCodeInterval * tc)
* gst_video_time_code_interval_copy:
* @tc: a #GstVideoTimeCodeInterval
*
* Returns: a new #GstVideoTimeCodeInterval with the same values as @tc .
* Returns: a new #GstVideoTimeCodeInterval with the same values as @tc.
*
* Since: 1.12
*/
@ -1093,7 +1103,7 @@ gst_video_time_code_interval_copy (const GstVideoTimeCodeInterval * tc)
* gst_video_time_code_interval_free:
* @tc: a #GstVideoTimeCodeInterval
*
* Frees @tc .
* Frees @tc.
*
* Since: 1.12
*/