gstreamer/subprojects/gst-plugins-good/gst/multifile/gstsplitmuxsrc.h
Jan Schmidt 3121eeeb08 splitmuxsrc: Allow adding fragments during playback
Trigger measurement / inclusion of new fragments into
the playback timeline if they are added after the
element is already running.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7053>
2024-08-02 15:30:12 +10:00

127 lines
3.5 KiB
C

/* GStreamer Split Muxed File Source
* Copyright (C) 2014 Jan Schmidt <jan@centricular.com>
*
* 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 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; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_SPLITMUX_SRC_H__
#define __GST_SPLITMUX_SRC_H__
#include <gst/gst.h>
#include "gstsplitmuxpartreader.h"
G_BEGIN_DECLS
#define GST_TYPE_SPLITMUX_SRC \
(gst_splitmux_src_get_type())
#define GST_SPLITMUX_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPLITMUX_SRC,GstSplitMuxSrc))
#define GST_SPLITMUX_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPLITMUX_SRC,GstSplitMuxSrcClass))
#define GST_IS_SPLITMUX_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPLITMUX_SRC))
#define GST_IS_SPLITMUX_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPLITMUX_SRC))
typedef struct _GstSplitMuxSrc GstSplitMuxSrc;
typedef struct _GstSplitMuxSrcClass GstSplitMuxSrcClass;
struct _GstSplitMuxSrc
{
GstBin parent;
GMutex lock;
GMutex msg_lock;
gboolean running;
gboolean did_initial_measuring;
gchar *location; /* OBJECT_LOCK */
GstSplitMuxPartReader **parts;
guint num_parts;
guint num_parts_alloced;
guint num_measured_parts;
guint cur_part;
gboolean async_pending;
gboolean pads_complete;
GRWLock pads_rwlock;
GList *pads; /* pads_lock */
guint n_pads;
guint n_notlinked;
GstClockTime total_duration;
GstClockTime end_offset;
GstSegment play_segment;
guint32 segment_seqnum;
guint target_max_readers; /* Maximum number of readers we try to keep open */
GQueue *active_parts;
};
struct _GstSplitMuxSrcClass
{
GstBinClass parent_class;
};
GType splitmux_src_pad_get_type (void);
#define SPLITMUX_TYPE_SRC_PAD splitmux_src_pad_get_type()
#define SPLITMUX_SRC_PAD_CAST(p) ((SplitMuxSrcPad *)(p))
#define SPLITMUX_SRC_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),SPLITMUX_TYPE_SRC_PAD,SplitMuxSrcPad))
struct _SplitMuxSrcPad
{
GstPad parent;
guint cur_part;
GstSplitMuxPartReader *reader;
GstPad *part_pad;
GstSegment segment;
gboolean set_next_discont;
gboolean clear_next_discont;
gboolean sent_stream_start;
gboolean sent_caps;
gboolean sent_segment;
};
struct _SplitMuxSrcPadClass
{
GstPadClass parent;
};
GType gst_splitmux_src_get_type (void);
#define SPLITMUX_SRC_LOCK(s) g_mutex_lock(&(s)->lock)
#define SPLITMUX_SRC_UNLOCK(s) g_mutex_unlock(&(s)->lock)
#define SPLITMUX_SRC_MSG_LOCK(s) g_mutex_lock(&(s)->msg_lock)
#define SPLITMUX_SRC_MSG_UNLOCK(s) g_mutex_unlock(&(s)->msg_lock)
#define SPLITMUX_SRC_PADS_WLOCK(s) g_rw_lock_writer_lock(&(s)->pads_rwlock)
#define SPLITMUX_SRC_PADS_WUNLOCK(s) g_rw_lock_writer_unlock(&(s)->pads_rwlock)
#define SPLITMUX_SRC_PADS_RLOCK(s) g_rw_lock_reader_lock(&(s)->pads_rwlock)
#define SPLITMUX_SRC_PADS_RUNLOCK(s) g_rw_lock_reader_unlock(&(s)->pads_rwlock)
GST_ELEMENT_REGISTER_DECLARE (splitmuxsrc);
G_END_DECLS
#endif /* __GST_SPLITMUX_SRC_H__ */