/* * 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/adaptivedemux/gstadaptivedemux.h> #include <gst/base/gstadapter.h> #include <gst/base/gstdataqueue.h> #include "gstmpdclient.h" #include <gst/isoff/gstisoff.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 _GstDashDemuxClockDrift GstDashDemuxClockDrift; typedef struct _GstDashDemuxStream GstDashDemuxStream; typedef struct _GstDashDemux GstDashDemux; typedef struct _GstDashDemuxClass GstDashDemuxClass; struct _GstDashDemuxStream { GstAdaptiveDemuxStream parent; gint index; GstActiveStream *active_stream; GstMediaFragmentInfo current_fragment; /* index parsing */ GstSidxParser sidx_parser; GstClockTime sidx_position; gint64 sidx_base_offset; gboolean allow_sidx; GstClockTime pending_seek_ts; GstAdapter *adapter; /* current offset of the first byte in the adapter / last byte we pushed or * dropped*/ guint64 current_offset; /* index = 1, header = 2, data = 3 */ guint current_index_header_or_data; /* ISOBMFF box parsing */ gboolean is_isobmff; struct { /* index = 1, header = 2, data = 3 */ guint32 current_fourcc; guint64 current_start_offset; guint64 current_size; } isobmff_parser; GstMoofBox *moof; guint64 moof_offset, moof_size; GArray *moof_sync_samples; guint current_sync_sample; guint64 moof_average_size; guint64 keyframe_average_size; guint64 keyframe_average_distance; gboolean first_sync_sample_after_moof, first_sync_sample_always_after_moof; /* Internal position value, at the keyframe/entry level */ GstClockTime actual_position; /* Timestamp of the beginning of the current fragment */ GstClockTime current_fragment_timestamp; GstClockTime current_fragment_duration; GstClockTime current_fragment_keyframe_distance; /* Average keyframe download time (only in trickmode-key-units) */ GstClockTime average_download_time; /* Cached target time (only in trickmode-key-units) */ GstClockTime target_time; /* Average skip-ahead time (only in trickmode-key-units) */ GstClockTime average_skip_size; }; /** * GstDashDemux: * * Opaque #GstDashDemux data structure. */ struct _GstDashDemux { GstAdaptiveDemux parent; GSList *next_periods; GstMPDClient *client; /* MPD client */ GMutex client_lock; GstDashDemuxClockDrift *clock_drift; gboolean end_of_period; gboolean end_of_manifest; /* Properties */ GstClockTime max_buffering_time; /* Maximum buffering time accumulated during playback */ guint max_bitrate; /* max of bitrate supported by target decoder */ gint max_video_width, max_video_height; gint max_video_framerate_n, max_video_framerate_d; gchar* default_presentation_delay; /* presentation time delay if MPD@suggestedPresentationDelay is not present */ gint n_audio_streams; gint n_video_streams; gint n_subtitle_streams; gboolean trickmode_no_audio; gboolean allow_trickmode_key_units; }; struct _GstDashDemuxClass { GstAdaptiveDemuxClass parent_class; }; GType gst_dash_demux_get_type (void); G_END_DECLS #endif /* __GST_DASH_DEMUX_H__ */