gstreamer/ext/dash/gstdashdemux.h
Thiago Santos f09dd7e7a5 dashdemux: handle error messages from the sources
Set up a message handling function to be able to catch errors
from the source element and signal the cond to allow the download
loop to retry the download.
2014-05-07 01:00:49 -03:00

144 lines
3.7 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>
*
* Copyright (C) 2013 Smart TV Alliance
* Author: Thiago Sousa Santos <thiago.sousa.santos@collabora.com>, Collabora Ltd.
*
* 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/base/gstdataqueue.h>
#include "gstmpdparser.h"
#include <gst/uridownloader/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))
#define GST_DASH_DEMUX_CAST(obj) \
((GstDashDemux *)obj)
typedef struct _GstDashDemuxStream GstDashDemuxStream;
typedef struct _GstDashDemux GstDashDemux;
typedef struct _GstDashDemuxClass GstDashDemuxClass;
struct _GstDashDemuxStream
{
GstPad *pad;
GstDashDemux *demux;
gint index;
GstActiveStream *active_stream;
GstCaps *input_caps;
GstFlowReturn last_ret;
GstClockTime position;
gboolean restart_download;
GstEvent *pending_segment;
gboolean stream_eos;
gboolean need_header;
/* Download task */
GMutex download_mutex;
GCond download_cond;
GstTask *download_task;
GRecMutex download_task_lock;
GstUriDownloader *downloader;
/* download tooling */
GstElement *src;
GstPad *src_srcpad;
GMutex fragment_download_lock;
GCond fragment_download_cond;
GstMediaFragmentInfo current_fragment;
gboolean starting_fragment;
gint64 download_start_time;
gint64 download_total_time;
gint64 download_total_bytes;
gint current_download_rate;
};
/**
* GstDashDemux:
*
* Opaque #GstDashDemux data structure.
*/
struct _GstDashDemux
{
GstBin parent;
GstPad *sinkpad;
gboolean have_group_id;
guint group_id;
GSList *streams;
GSList *next_periods;
GstSegment segment;
GstClockTime timestamp_offset;
GstBuffer *manifest;
GstUriDownloader *downloader;
GstMpdClient *client; /* MPD client */
GMutex client_lock;
gboolean end_of_period;
gboolean end_of_manifest;
/* Properties */
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 */
gboolean cancelled;
/* Manifest update */
GstClockTime last_manifest_update;
};
struct _GstDashDemuxClass
{
GstBinClass parent_class;
};
GType gst_dash_demux_get_type (void);
G_END_DECLS
#endif /* __GST_DASH_DEMUX_H__ */