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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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4431388cab
Set up a message handling function to catch errors from the internal source and store the last return code to identify error situations when returning from a fragment download. Also moves the duration increase to after the download when we know if it was successful or not
151 lines
4.6 KiB
C
151 lines
4.6 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., 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 "gstfragmented.h"
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#include <gst/uridownloader/gsturidownloader.h>
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#ifdef HAVE_NETTLE
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#include <nettle/aes.h>
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#include <nettle/cbc.h>
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#else
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#include <gcrypt.h>
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#endif
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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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#define GST_HLS_DEMUX_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_HLS_DEMUX,GstHLSDemuxClass))
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#define GST_HLS_DEMUX_CAST(obj) \
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((GstHLSDemux *)obj)
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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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GstBin parent;
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GstPad *sinkpad;
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GstPad *srcpad;
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gint srcpad_counter;
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gboolean have_group_id;
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guint group_id;
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GstBuffer *playlist;
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GstCaps *input_caps;
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GstUriDownloader *downloader;
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gchar *uri; /* Original playlist URI */
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GstM3U8Client *client; /* M3U8 client */
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gboolean do_typefind; /* Whether we need to typefind the next buffer */
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gboolean new_playlist; /* Whether a new playlist is about to start and pads should be switched */
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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_limit; /* limit of the available bitrate to use */
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guint connection_speed; /* Network connection speed in kbps (0 = unknown) */
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/* Streaming task */
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GstTask *stream_task;
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GRecMutex stream_lock;
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gboolean stop_stream_task;
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GMutex download_lock; /* Used for protecting queue and the two conds */
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GCond download_cond; /* Signalled when something is added to the queue */
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gboolean end_of_playlist;
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gint download_failed_count;
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gint64 next_download;
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/* Updates task */
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GstTask *updates_task;
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GRecMutex updates_lock;
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gint64 next_update; /* Time of the next update */
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gboolean stop_updates_task;
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GMutex updates_timed_lock;
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GCond updates_timed_cond; /* Signalled when the playlist should be updated */
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/* Position in the stream */
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GstSegment segment;
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gboolean need_segment;
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gboolean discont;
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/* Cache for the last key */
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gchar *key_url;
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GstFragment *key_fragment;
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/* Current download rate (bps) */
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gint current_download_rate;
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/* fragment download tooling */
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GstElement *src;
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GMutex fragment_download_lock;
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GCond fragment_download_cond;
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GstClockTime current_timestamp;
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GstClockTime current_duration;
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gboolean starting_fragment;
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gint64 download_start_time;
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gint64 download_total_time;
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gint64 download_total_bytes;
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GstFlowReturn last_ret;
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/* decryption tooling */
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#ifdef HAVE_NETTLE
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struct CBC_CTX (struct aes_ctx, AES_BLOCK_SIZE) aes_ctx;
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#else
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gcry_cipher_hd_t aes_ctx;
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#endif
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const gchar *current_key;
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const guint8 *current_iv;
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GstAdapter *adapter; /* used to accumulate 16 bytes multiple chunks */
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GstBuffer *pending_buffer; /* decryption scenario:
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* the last buffer can only be pushed when
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* resized, so need to store and wait for
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* EOS to know it is the last */
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};
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struct _GstHLSDemuxClass
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{
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GstBinClass 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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