mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-11 19:06:33 +00:00
548bbc3147
Instead of returning a "const gchar" or a "gchar" that should not be freed, always return a duplicated string as those functions were used together with g_strdup anyway. This is needed to prepare support for returning modified strings in next commit. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1147>
174 lines
6.5 KiB
C
174 lines
6.5 KiB
C
/*
|
|
* DASH MPD parsing library
|
|
*
|
|
* gstmpdparser.h
|
|
*
|
|
* Copyright (C) 2012 STMicroelectronics
|
|
*
|
|
* Authors:
|
|
* Gianluca Gennari <gennarone@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library (COPYING); if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_MPDPARSER_H__
|
|
#define __GST_MPDPARSER_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstadapter.h>
|
|
|
|
#include "gstadaptivedemux.h"
|
|
|
|
#include "gstmpd-prelude.h"
|
|
#include "gstmpdhelper.h"
|
|
#include "gstxmlhelper.h"
|
|
#include "gstmpdrootnode.h"
|
|
#include "gstmpdbaseurlnode.h"
|
|
#include "gstmpdutctimingnode.h"
|
|
#include "gstmpdmetricsnode.h"
|
|
#include "gstmpdmetricsrangenode.h"
|
|
#include "gstmpdsnode.h"
|
|
#include "gstmpdsegmenttimelinenode.h"
|
|
#include "gstmpdsegmenttemplatenode.h"
|
|
#include "gstmpdsegmenturlnode.h"
|
|
#include "gstmpdsegmentlistnode.h"
|
|
#include "gstmpdsegmentbasenode.h"
|
|
#include "gstmpdperiodnode.h"
|
|
#include "gstmpdrepresentationnode.h"
|
|
#include "gstmpdsubrepresentationnode.h"
|
|
#include "gstmpdcontentcomponentnode.h"
|
|
#include "gstmpdadaptationsetnode.h"
|
|
#include "gstmpdsubsetnode.h"
|
|
#include "gstmpdprograminformationnode.h"
|
|
#include "gstmpdlocationnode.h"
|
|
#include "gstmpdreportingnode.h"
|
|
#include "gstmpdurltypenode.h"
|
|
#include "gstmpddescriptortypenode.h"
|
|
#include "gstmpdrepresentationbasenode.h"
|
|
#include "gstmpdmultsegmentbasenode.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstActiveStream GstActiveStream;
|
|
typedef struct _GstStreamPeriod GstStreamPeriod;
|
|
typedef struct _GstMediaFragmentInfo GstMediaFragmentInfo;
|
|
typedef struct _GstMediaSegment GstMediaSegment;
|
|
|
|
|
|
#define GST_MPD_DURATION_NONE ((guint64)-1)
|
|
|
|
typedef enum
|
|
{
|
|
GST_STREAM_UNKNOWN,
|
|
GST_STREAM_VIDEO, /* video stream (the main one) */
|
|
GST_STREAM_AUDIO, /* audio stream (optional) */
|
|
GST_STREAM_APPLICATION /* application stream (optional): for timed text/subtitles */
|
|
} GstStreamMimeType;
|
|
|
|
/**
|
|
* GstStreamPeriod:
|
|
*
|
|
* Stream period data structure
|
|
*/
|
|
struct _GstStreamPeriod
|
|
{
|
|
GstMPDPeriodNode *period; /* Stream period */
|
|
guint number; /* Period number */
|
|
GstClockTime start; /* Period start time */
|
|
GstClockTime duration; /* Period duration */
|
|
};
|
|
|
|
/**
|
|
* GstMediaSegment:
|
|
*
|
|
* Media segment data structure
|
|
*/
|
|
struct _GstMediaSegment
|
|
{
|
|
GstMPDSegmentURLNode *SegmentURL; /* this is NULL when using a SegmentTemplate */
|
|
guint number; /* segment number */
|
|
gint repeat; /* number of extra repetitions (0 = played only once) */
|
|
guint64 scale_start; /* start time in timescale units */
|
|
guint64 scale_duration; /* duration in timescale units */
|
|
GstClockTime start; /* segment start time */
|
|
GstClockTime duration; /* segment duration */
|
|
};
|
|
|
|
struct _GstMediaFragmentInfo
|
|
{
|
|
gchar *uri;
|
|
gint64 range_start;
|
|
gint64 range_end;
|
|
|
|
gchar *index_uri;
|
|
gint64 index_range_start;
|
|
gint64 index_range_end;
|
|
|
|
gboolean discontinuity;
|
|
GstClockTime timestamp;
|
|
GstClockTime duration;
|
|
};
|
|
|
|
/**
|
|
* GstActiveStream:
|
|
*
|
|
* Active stream data structure
|
|
*/
|
|
struct _GstActiveStream
|
|
{
|
|
GstStreamMimeType mimeType; /* video/audio/application */
|
|
|
|
guint baseURL_idx; /* index of the baseURL used for last request */
|
|
gchar *baseURL; /* active baseURL used for last request */
|
|
gchar *queryURL; /* active queryURL used for last request */
|
|
guint max_bandwidth; /* max bandwidth allowed for this mimeType */
|
|
|
|
GstMPDAdaptationSetNode *cur_adapt_set; /* active adaptation set */
|
|
gint representation_idx; /* index of current representation */
|
|
GstMPDRepresentationNode *cur_representation; /* active representation */
|
|
GstMPDSegmentBaseNode *cur_segment_base; /* active segment base */
|
|
GstMPDSegmentListNode *cur_segment_list; /* active segment list */
|
|
GstMPDSegmentTemplateNode *cur_seg_template; /* active segment template */
|
|
gint segment_index; /* index of next sequence chunk */
|
|
guint segment_repeat_index; /* index of the repeat count of a segment */
|
|
GPtrArray *segments; /* array of GstMediaSegment */
|
|
GstClockTime presentationTimeOffset; /* presentation time offset of the current segment */
|
|
};
|
|
|
|
/* MPD file parsing */
|
|
gboolean gst_mpdparser_get_mpd_root_node (GstMPDRootNode ** mpd_root_node, const gchar * data, gint size);
|
|
GstMPDSegmentListNode * gst_mpdparser_get_external_segment_list (const gchar * data, gint size, GstMPDSegmentListNode * parent);
|
|
GList * gst_mpdparser_get_external_periods (const gchar * data, gint size);
|
|
GList * gst_mpdparser_get_external_adaptation_sets (const gchar * data, gint size, GstMPDPeriodNode* period);
|
|
|
|
/* navigation functions */
|
|
GstStreamMimeType gst_mpdparser_representation_get_mimetype (GstMPDAdaptationSetNode * adapt_set, GstMPDRepresentationNode * rep);
|
|
|
|
/* Memory management */
|
|
void gst_mpdparser_free_stream_period (GstStreamPeriod * stream_period);
|
|
void gst_mpdparser_free_media_segment (GstMediaSegment * media_segment);
|
|
void gst_mpdparser_free_active_stream (GstActiveStream * active_stream);
|
|
void gst_mpdparser_media_fragment_info_clear (GstMediaFragmentInfo * fragment);
|
|
/* Active stream methods*/
|
|
void gst_mpdparser_init_active_stream_segments (GstActiveStream * stream);
|
|
gchar *gst_mpdparser_get_mediaURL (GstActiveStream * stream, GstMPDSegmentURLNode * segmentURL);
|
|
gchar *gst_mpdparser_get_initializationURL (GstActiveStream * stream, GstMPDURLTypeNode * InitializationURL);
|
|
gchar *gst_mpdparser_build_URL_from_template (const gchar * url_template, const gchar * id, guint number, guint bandwidth, guint64 time);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MPDPARSER_H__ */
|
|
|