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42b0dd8c41
Move the stream object to a separate file to split the demux level behaviour from the stream behaviour better. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3883>
163 lines
5.3 KiB
C
163 lines
5.3 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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* Copyright (C) 2015 Tim-Philipp Müller <tim@centricular.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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, 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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#include "gstisoff.h"
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#include "gstadaptivedemux.h"
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G_BEGIN_DECLS
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#define GST_TYPE_HLS_DEMUX2 \
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(gst_hls_demux2_get_type())
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#define GST_HLS_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_HLS_DEMUX2,GstHLSDemux))
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#define GST_HLS_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_HLS_DEMUX2,GstHLSDemuxClass))
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#define GST_IS_HLS_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_HLS_DEMUX2))
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#define GST_IS_HLS_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_HLS_DEMUX2))
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#define GST_HLS_DEMUX_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_HLS_DEMUX2,GstHLSDemuxClass))
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#define GST_HLS_DEMUX_CAST(obj) \
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((GstHLSDemux *)obj)
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typedef struct _GstHLSDemux2 GstHLSDemux;
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typedef struct _GstHLSDemux2Class GstHLSDemuxClass;
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typedef struct _GstHLSDemuxStream GstHLSDemuxStream;
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typedef enum {
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/* More data is needed to parse the fragment */
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GST_HLS_PARSER_RESULT_NEED_MORE_DATA,
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/* An error happened, discard the fragment */
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GST_HLS_PARSER_RESULT_ERROR,
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/* Parsing suceeded, it no longer needs to be called for the fragment */
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GST_HLS_PARSER_RESULT_DONE,
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/* The fragment wasn't the expected one. Current data must be dropped and
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* GST_ADAPTIVE_DEMUX_FLOW_RESTART_FRAGMENT returned to the parent class */
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GST_HLS_PARSER_RESULT_RESYNC
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} GstHLSParserResult;
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typedef struct {
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guint8 data[16];
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} GstHLSKey;
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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 _GstHLSDemux2
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{
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GstAdaptiveDemux parent;
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/* Initial bitrate to use before any bandwidth measurement */
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guint start_bitrate;
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/* Whether LL-HLS (Low Latency HLS) features are enabled */
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gboolean llhls_enabled;
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/* Decryption key cache: url => GstHLSKey */
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GHashTable *keys;
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GMutex keys_lock;
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/* FIXME: check locking, protected automatically by manifest_lock already? */
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/* The master playlist with the available variant streams */
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GstHLSMasterPlaylist *master;
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GstHLSVariantStream *current_variant;
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/* The variant to switch to */
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GstHLSVariantStream *pending_variant;
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GstHLSDemuxStream *main_stream;
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/* Time Mappings (GstHLSTimeMap) */
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GList *mappings;
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};
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struct _GstHLSDemux2Class
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{
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GstAdaptiveDemuxClass parent_class;
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};
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GstAdaptiveDemuxTrack *
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gst_hls_demux_new_track_for_rendition (GstHLSDemux * demux,
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GstHLSRenditionStream * rendition,
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GstCaps * caps, GstStreamFlags flags, GstTagList * tags);
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void gst_hls_demux_start_rendition_streams (GstHLSDemux * hlsdemux);
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void gst_hls_demux_reset_for_lost_sync (GstHLSDemux * hlsdemux);
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const GstHLSKey *gst_hls_demux_get_key (GstHLSDemux * demux,
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const gchar * key_url, const gchar * referer, gboolean allow_cache);
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void
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gst_hls_demux_setup_initial_playlist (GstHLSDemux * demux,
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GstHLSMediaPlaylist * playlist);
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gboolean gst_hls_demux_change_variant_playlist (GstHLSDemux * demux,
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guint max_bitrate, gboolean * changed);
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void gst_hls_demux_add_time_mapping (GstHLSDemux * demux, gint64 dsn,
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GstClockTimeDiff stream_time, GDateTime * pdt);
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void gst_hls_update_time_mappings (GstHLSDemux * demux,
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GstHLSMediaPlaylist * playlist);
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gchar *gst_hls_buf_to_utf8_text (GstBuffer * buf);
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/* Private */
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GstHLSParserResult gst_hlsdemux_handle_content_mpegts (GstHLSDemux *demux,
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GstHLSDemuxStream *hls_stream,
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gboolean draining,
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GstBuffer **buffer);
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GstHLSParserResult gst_hlsdemux_handle_content_id3 (GstHLSDemux *demux,
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GstHLSDemuxStream *hls_stream,
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gboolean draining,
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GstBuffer **buffer);
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GstHLSParserResult gst_hlsdemux_handle_content_isobmff (GstHLSDemux *demux,
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GstHLSDemuxStream *hls_stream,
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gboolean draining,
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GstBuffer **buffer);
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GstHLSParserResult gst_hlsdemux_handle_content_webvtt (GstHLSDemux *demux,
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GstHLSDemuxStream *hls_stream,
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gboolean draining,
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GstBuffer **buffer);
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GstClockTimeDiff gst_hls_internal_to_stream_time (GstHLSTimeMap *map,
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GstClockTime internal_time);
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GstHLSTimeMap *gst_hls_demux_find_time_map (GstHLSDemux * demux, gint64 dsn);
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GType gst_hls_demux2_get_type (void);
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GType gst_hls_demux_stream_get_type (void);
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G_END_DECLS
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#endif /* __GST_HLS_DEMUX_H__ */
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