gstreamer/ext/dash/gstdashdemux.h
Gianluca Gennari 7092a9c1ac dashdemux: add support for manifest file updates
- the MPD file is updated in the download loop (only if we have a "dynamic" MPD and minimumUpdatePeriod is valid);
- properly LOCK/UNLOCK the GstMpdClient;
2013-05-08 18:14:32 -03:00

113 lines
3.5 KiB
C

/*
* DASH demux plugin for GStreamer
*
* gstdashdemux.h
*
* Copyright (C) 2012 Orange
*
* Authors:
* David Corvoysier <david.corvoysier@orange.com>
* Hamid Zakari <hamid.zakari@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_DASH_DEMUX_H__
#define __GST_DASH_DEMUX_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include "gstmpdparser.h"
#include "gstfragmented.h"
#include "gsturidownloader.h"
G_BEGIN_DECLS
#define GST_TYPE_DASH_DEMUX \
(gst_dash_demux_get_type())
#define GST_DASH_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DASH_DEMUX,GstDashDemux))
#define GST_DASH_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DASH_DEMUX,GstDashDemuxClass))
#define GST_IS_DASH_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DASH_DEMUX))
#define GST_IS_DASH_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DASH_DEMUX))
//
typedef struct _GstDashDemux GstDashDemux;
typedef struct _GstDashDemuxClass GstDashDemuxClass;
#define MAX_LANGUAGES 20
/**
* GstDashDemux:
*
* Opaque #GstDashDemux data structure.
*/
struct _GstDashDemux
{
GstElement parent;
GstPad *sinkpad;
GstPad *srcpad[MAX_LANGUAGES]; /*Video/Audio/Application src pad */
GstCaps *output_caps[MAX_LANGUAGES]; /*Video/Audio/Application output buf caps */
GstCaps *input_caps[MAX_LANGUAGES]; /*Video/Audio/Application input caps */
GstBuffer *manifest;
GstUriDownloader *downloader;
GstMpdClient *client; /* MPD client */
GQueue *queue; /* Video/Audio/Application List of fragment storing the fetched fragments */
gboolean end_of_period;
gboolean end_of_manifest;
/* Properties */
GstClockTime min_buffering_time; /* Minimum buffering time accumulated before playback */
GstClockTime max_buffering_time; /* Maximum buffering time accumulated during playback */
gfloat bandwidth_usage; /* Percentage of the available bandwidth to use */
guint64 max_bitrate; /* max of bitrate supported by target decoder */
/* Streaming task */
GstTask *stream_task;
GStaticRecMutex stream_lock;
GMutex *stream_timed_lock;
GTimeVal next_push; /* Time of the next push */
/* Download task */
GstTask *download_task;
GStaticRecMutex download_lock;
gboolean cancelled;
GMutex *download_timed_lock;
GTimeVal next_download; /* Time of the next download */
/* Manifest update */
GstClockTime last_manifest_update;
/* Position in the stream */
GstClockTime position;
GstClockTime position_shift;
gboolean need_segment;
/* Download rate */
guint64 dnl_rate;
};
struct _GstDashDemuxClass
{
GstElementClass parent_class;
};
GType gst_dash_demux_get_type (void);
G_END_DECLS
#endif /* __GST_DASH_DEMUX_H__ */