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<title>GstRTSPTimeRange: GStreamer Base Plugins 1.0 Library Reference Manual</title>
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Top  | 
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                  Description  | 
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                  Object Hierarchy
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Home
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GstRTSPTimeRange
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GstRTSPTimeRange — dealing with time ranges
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Functions
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GstRTSPResult
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gst_rtsp_range_parse ()
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gboolean
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gst_rtsp_range_get_times ()
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gchar *
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gst_rtsp_range_to_string ()
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gboolean
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gst_rtsp_range_convert_units ()
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void
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gst_rtsp_range_free ()
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Types and Values
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enum
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GstRTSPRangeUnit
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struct
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GstRTSPTimeRange
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struct
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GstRTSPTime
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struct
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GstRTSPTime2
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enum
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GstRTSPTimeType
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Object Hierarchy
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    GEnum
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    ├── GstRTSPRangeUnit
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    ╰── GstRTSPTimeType
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Includes
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#include <gst/rtsp/rtsp.h>
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Description
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Provides helper functions to deal with time ranges.
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Functions
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gst_rtsp_range_parse ()
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GstRTSPResult
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gst_rtsp_range_parse (const gchar *rangestr,
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                      GstRTSPTimeRange **range);
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Parse rangestr
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 to a GstRTSPTimeRange.
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Parameters
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rangestr
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a range string to parse
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range
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location to hold the GstRTSPTimeRange result.
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[out]
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Returns
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 GST_RTSP_OK on success.
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gst_rtsp_range_get_times ()
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gboolean
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gst_rtsp_range_get_times (const GstRTSPTimeRange *range,
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                          GstClockTime *min,
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                          GstClockTime *max);
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Retrieve the minimum and maximum values from range
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 converted to
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GstClockTime in min
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 and max
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.
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A value of GST_CLOCK_TIME_NONE will be used to signal GST_RTSP_TIME_NOW
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and GST_RTSP_TIME_END for min
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 and max
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 respectively.
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UTC times will be converted to nanoseconds since 1900.
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Parameters
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range
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a GstRTSPTimeRange
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min
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result minimum GstClockTime.
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[out]
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max
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result maximum GstClockTime.
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[out]
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Returns
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 TRUE on success.
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Since: 1.2
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gst_rtsp_range_to_string ()
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gchar *
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gst_rtsp_range_to_string (const GstRTSPTimeRange *range);
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Convert range
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 into a string representation.
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Parameters
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range
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a GstRTSPTimeRange
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Returns
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 The string representation of range
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. g_free() after usage.
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gst_rtsp_range_convert_units ()
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gboolean
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gst_rtsp_range_convert_units (GstRTSPTimeRange *range,
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                              GstRTSPRangeUnit unit);
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Converts the range in-place between different types of units.
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Ranges containing the special value GST_RTSP_TIME_NOW can not be
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converted as these are only valid for GST_RTSP_RANGE_NPT.
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Parameters
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range
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a GstRTSPTimeRange
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unit
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the unit to convert the range into
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Returns
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 TRUE if the range could be converted
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gst_rtsp_range_free ()
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void
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gst_rtsp_range_free (GstRTSPTimeRange *range);
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Free the memory allocated by range
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.
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Parameters
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range
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a GstRTSPTimeRange
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Types and Values
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enum GstRTSPRangeUnit
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Different possible time range units.
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Members
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GST_RTSP_RANGE_SMPTE
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SMPTE timecode
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GST_RTSP_RANGE_SMPTE_30_DROP
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29.97 frames per second
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GST_RTSP_RANGE_SMPTE_25
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25 frames per second
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GST_RTSP_RANGE_NPT
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Normal play time
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GST_RTSP_RANGE_CLOCK
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Absolute time expressed as ISO 8601 timestamps
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struct GstRTSPTimeRange
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struct GstRTSPTimeRange {
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  GstRTSPRangeUnit unit;
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  GstRTSPTime  min;
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  GstRTSPTime  max;
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  GstRTSPTime2 min2;
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  GstRTSPTime2 max2;
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};
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A time range.
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Members
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GstRTSPRangeUnit unit;
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the time units used
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GstRTSPTime min;
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the minimum interval
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GstRTSPTime max;
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the maximum interval
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GstRTSPTime2 min2;
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extra fields in the minimum interval (Since: 1.2)
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GstRTSPTime2 max2;
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extra fields in the maximum interval (Since: 1.2)
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struct GstRTSPTime
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struct GstRTSPTime {
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  GstRTSPTimeType type;
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  gdouble         seconds;
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};
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A time indication.
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Members
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GstRTSPTimeType type;
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the time of the time
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gdouble seconds;
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seconds when type
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is GST_RTSP_TIME_SECONDS,
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GST_RTSP_TIME_UTC and GST_RTSP_TIME_FRAMES
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struct GstRTSPTime2
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struct GstRTSPTime2 {
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  gdouble         frames;
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  guint           year;
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  guint           month;
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  guint           day;
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};
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Extra fields for a time indication.
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Members
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gdouble frames;
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frames and subframes when type in GstRTSPTime is
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GST_RTSP_TIME_FRAMES
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guint year;
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year when type is GST_RTSP_TIME_UTC
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guint month;
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month when type is GST_RTSP_TIME_UTC
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guint day;
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day when type is GST_RTSP_TIME_UTC
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Since: 1.2
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enum GstRTSPTimeType
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Possible time types.
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Members
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GST_RTSP_TIME_SECONDS
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seconds
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GST_RTSP_TIME_NOW
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now
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GST_RTSP_TIME_END
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end
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GST_RTSP_TIME_FRAMES
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frames and subframes
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GST_RTSP_TIME_UTC
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UTC time
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