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100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/* GStreamer
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* Copyright (C) 2010 Marc-Andre Lureau <marcandre.lureau@gmail.com>
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* Copyright (C) 2010 Andoni Morales Alastruey <ylatuya@gmail.com>
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*
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* gsthlsdemux.h:
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_HLS_DEMUX_H__
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#define __GST_HLS_DEMUX_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include "m3u8.h"
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G_BEGIN_DECLS
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#define GST_TYPE_HLS_DEMUX \
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(gst_hls_demux_get_type())
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#define GST_HLS_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_HLS_DEMUX,GstHLSDemux))
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#define GST_HLS_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_HLS_DEMUX,GstHLSDemuxClass))
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#define GST_IS_HLS_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_HLS_DEMUX))
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#define GST_IS_HLS_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_HLS_DEMUX))
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typedef struct _GstHLSDemux GstHLSDemux;
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typedef struct _GstHLSDemuxClass GstHLSDemuxClass;
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/**
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* GstHLSDemux:
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*
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* Opaque #GstHLSDemux data structure.
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*/
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struct _GstHLSDemux
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{
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GstElement parent;
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GstTask *task;
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GStaticRecMutex task_lock;
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GstPad *srcpad;
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GstPad *sinkpad;
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GstBuffer *playlist;
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GstCaps *input_caps;
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GstM3U8Client *client; /* M3U8 client */
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GQueue *queue; /* Queue storing the fetched fragments */
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gboolean need_cache; /* Wheter we need to cache some fragments before starting to push data */
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gboolean end_of_playlist;
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/* Properties */
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guint fragments_cache; /* number of fragments needed to be cached to start playing */
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gfloat bitrate_switch_tol; /* tolerance with respect to the fragment duration to switch the bitarate*/
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/* Updates thread */
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GThread *updates_thread; /* Thread handling the playlist and fragments updates */
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GMutex *thread_lock; /* Thread lock */
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GCond *thread_cond; /* Signals the thread to quit */
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gboolean thread_return; /* Instructs the thread to return after the thread_quit condition is meet */
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GTimeVal next_update; /* Time of the next update */
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gint64 accumulated_delay; /* Delay accumulated fetching fragments, used to decide a playlist switch */
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/* Fragments fetcher */
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GstElement *fetcher;
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GstBus *fetcher_bus;
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GstPad *fetcherpad;
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GMutex *fetcher_lock;
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GCond *fetcher_cond;
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GTimeVal *timeout;
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gboolean fetcher_error;
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gboolean stopping_fetcher;
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gboolean cancelled;
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GstAdapter *download;
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};
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struct _GstHLSDemuxClass
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{
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GstElementClass parent_class;
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};
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GType gst_hls_demux_get_type (void);
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G_END_DECLS
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#endif /* __GST_HLS_DEMUX_H__ */
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