mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-09 10:59:39 +00:00
86c131b668
Fix a deadlock around the pads list by using an RW lock to allow simultaneous readers. The pad list doesn't really changes except at startup and shutdown.
118 lines
3.3 KiB
C
118 lines
3.3 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;
|
|
gboolean running;
|
|
|
|
gchar *location; /* OBJECT_LOCK */
|
|
|
|
GstSplitMuxPartReader **parts;
|
|
guint num_parts;
|
|
guint num_prepared_parts;
|
|
guint num_created_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;
|
|
};
|
|
|
|
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);
|
|
gboolean register_splitmuxsrc (GstPlugin * plugin);
|
|
|
|
#define SPLITMUX_SRC_LOCK(s) g_mutex_lock(&(s)->lock)
|
|
#define SPLITMUX_SRC_UNLOCK(s) g_mutex_unlock(&(s)->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)
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_SPLITMUX_SRC_H__ */
|