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157 lines
4.8 KiB
C
157 lines
4.8 KiB
C
/* GStreamer
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* Copyright (C) <2005,2006> Wim Taymans <wim@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/*
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* Unless otherwise indicated, Source Code is licensed under MIT license.
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* See further explanation attached in License Statement (distributed in the file
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* LICENSE).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __GST_RTSP_RANGE_H__
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#define __GST_RTSP_RANGE_H__
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#include <glib.h>
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#include <gst/gst.h>
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#include <gst/rtsp/gstrtspdefs.h>
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G_BEGIN_DECLS
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/**
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* GstRTSPRangeUnit:
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* @GST_RTSP_RANGE_SMPTE: SMPTE timecode
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* @GST_RTSP_RANGE_SMPTE_30_DROP: 29.97 frames per second
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* @GST_RTSP_RANGE_SMPTE_25: 25 frames per second
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* @GST_RTSP_RANGE_NPT: Normal play time
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* @GST_RTSP_RANGE_CLOCK: Absolute time expressed as ISO 8601 timestamps
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*
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* Different possible time range units.
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*/
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typedef enum
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{
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GST_RTSP_RANGE_SMPTE,
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GST_RTSP_RANGE_SMPTE_30_DROP,
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GST_RTSP_RANGE_SMPTE_25,
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GST_RTSP_RANGE_NPT,
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GST_RTSP_RANGE_CLOCK
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} GstRTSPRangeUnit;
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typedef struct _GstRTSPTimeRange GstRTSPTimeRange;
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typedef struct _GstRTSPTime GstRTSPTime;
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typedef struct _GstRTSPTime2 GstRTSPTime2;
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/**
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* GstRTSPTimeType:
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* @GST_RTSP_TIME_SECONDS: seconds
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* @GST_RTSP_TIME_NOW: now
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* @GST_RTSP_TIME_END: end
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* @GST_RTSP_TIME_FRAMES: frames and subframes
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* @GST_RTSP_TIME_UTC: UTC time
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*
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* Possible time types.
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*/
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typedef enum {
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GST_RTSP_TIME_SECONDS,
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GST_RTSP_TIME_NOW,
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GST_RTSP_TIME_END,
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GST_RTSP_TIME_FRAMES,
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GST_RTSP_TIME_UTC
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} GstRTSPTimeType;
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/**
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* GstRTSPTime:
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* @type: the time of the time
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* @seconds: seconds when @type is GST_RTSP_TIME_SECONDS,
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* GST_RTSP_TIME_UTC and GST_RTSP_TIME_FRAMES
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*
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* A time indication.
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*/
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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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/**
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* GstRTSPTime2:
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* @frames: frames and subframes when type in GstRTSPTime is
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* GST_RTSP_TIME_FRAMES
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* @year: year when type is GST_RTSP_TIME_UTC
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* @month: month when type is GST_RTSP_TIME_UTC
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* @day: day when type is GST_RTSP_TIME_UTC
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*
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* Extra fields for a time indication.
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*
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* Since: 1.1.1
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*/
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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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/**
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* GstRTSPTimeRange:
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* @unit: the time units used
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* @min: the minimum interval
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* @max: the maximum interval
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* @min2: extra fields in the minimum interval (Since: 1.1.1)
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* @max2: extra fields in the maximum interval (Since: 1.1.1)
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*
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* A time range.
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*/
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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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GstRTSPResult gst_rtsp_range_parse (const gchar *rangestr, GstRTSPTimeRange **range);
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gchar * gst_rtsp_range_to_string (const GstRTSPTimeRange *range);
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void gst_rtsp_range_free (GstRTSPTimeRange *range);
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gboolean gst_rtsp_range_get_times (const GstRTSPTimeRange *range,
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GstClockTime *min, GstClockTime *max);
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gboolean gst_rtsp_range_convert_units (GstRTSPTimeRange * range,
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GstRTSPRangeUnit unit);
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G_END_DECLS
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#endif /* __GST_RTSP_RANGE_H__ */
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