mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-19 10:30:30 +00:00
7330225ac8
GstDataQueue has proper locking and provides functions to limit the size of the queue. Also has blocking calls that are useful to our multithread scenario in Dash.
126 lines
3.5 KiB
C
126 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>
|
|
*
|
|
* 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 "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 _GstDashDemuxStream GstDashDemuxStream;
|
|
typedef struct _GstDashDemux GstDashDemux;
|
|
typedef struct _GstDashDemuxClass GstDashDemuxClass;
|
|
|
|
struct _GstDashDemuxStream
|
|
{
|
|
GstPad *pad;
|
|
|
|
gint index;
|
|
|
|
GstCaps *output_caps;
|
|
GstCaps *input_caps;
|
|
|
|
GstDataQueue *queue;
|
|
};
|
|
|
|
/**
|
|
* GstDashDemux:
|
|
*
|
|
* Opaque #GstDashDemux data structure.
|
|
*/
|
|
struct _GstDashDemux
|
|
{
|
|
GstElement parent;
|
|
GstPad *sinkpad;
|
|
|
|
GSList *streams;
|
|
|
|
GstBuffer *manifest;
|
|
GstUriDownloader *downloader;
|
|
GstMpdClient *client; /* MPD client */
|
|
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;
|
|
|
|
/* 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;
|
|
GstClockTime last_position_shift;
|
|
gboolean need_header;
|
|
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__ */
|
|
|