gstreamer/gst/playback/gstplaybasebin.h
Tim-Philipp Müller f1318291ed gst/playback/gstplaybasebin.*: Protect list of elements with a subtitle-encoding property and the subtitle encoding m...
Original commit message from CVS:
* gst/playback/gstplaybasebin.c: (gst_play_base_bin_init),
(gst_play_base_bin_finalize), (decodebin_element_added_cb),
(decodebin_element_removed_cb), (gst_play_base_bin_set_property):
* gst/playback/gstplaybasebin.h:
Protect list of elements with a subtitle-encoding property and
the subtitle encoding member itself with a lock of their own
instead of using the object lock. This prevents a dead-lock in
the element-remove callback in some circumstances when shutting
down playbin.
2006-07-06 13:04:24 +00:00

110 lines
4 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_PLAYBASEBIN_H__
#define __GST_PLAYBASEBIN_H__
#include <gst/gst.h>
#include "gststreaminfo.h"
G_BEGIN_DECLS
#define GST_TYPE_PLAY_BASE_BIN (gst_play_base_bin_get_type())
#define GST_PLAY_BASE_BIN(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PLAY_BASE_BIN,GstPlayBaseBin))
#define GST_PLAY_BASE_BIN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PLAY_BASE_BIN,GstPlayBaseBinClass))
#define GST_IS_PLAY_BASE_BIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PLAY_BASE_BIN))
#define GST_IS_PLAY_BASE_BIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PLAY_BASE_BIN))
#define GST_PLAY_BASE_BIN_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PLAY_BASE_BIN, \
GstPlayBaseBinClass))
typedef struct _GstPlayBaseBin GstPlayBaseBin;
typedef struct _GstPlayBaseBinClass GstPlayBaseBinClass;
/* a GstPlayBaseGroup is a group of pads and streaminfo that together
* make up a playable stream. A new group is created from the current
* set of pads that are alive when the preroll elements are filled or
* when the no-more-pads signal is fired.
*
* We have to queue the groups as they can be created while the preroll
* queues are still playing the old group. We monitor the EOS signals
* on the preroll queues and when all the streams in the current group
* have EOSed, we switch to the next queued group.
*/
typedef struct
{
GstPlayBaseBin *bin; /* ref to the owner */
gint nstreams;
GList *streaminfo;
GValueArray *streaminfo_value_array;
/* contained decoded elementary streams */
struct {
gint npads;
GstBin *bin;
GstElement *preroll;
GstElement *selector;
gboolean done;
#define NUM_TYPES 3
} type[NUM_TYPES]; /* AUDIO, VIDEO, TEXT */
} GstPlayBaseGroup;
struct _GstPlayBaseBin {
GstPipeline pipeline;
/* properties */
guint64 queue_size;
guint queue_threshold;
/* currently loaded media */
gint current[NUM_TYPES];
gchar *uri, *suburi;
gboolean is_stream;
GstElement *source;
GstElement *decoder;
GstElement *subtitle; /* additional filesrc ! subparse bin */
gboolean subtitle_done;
gboolean need_rebuild;
GSList *subtitle_elements; /* subtitle elements that have 'subtitle-encoding' property */
gchar *subencoding; /* encoding to propagate to the above subtitle elements */
GMutex *sub_lock; /* protecting subtitle_elements and subencoding members */
/* group management - using own lock */
GMutex *group_lock; /* lock and mutex to signal availability of new group */
GCond *group_cond;
GstPlayBaseGroup *building_group; /* the group that we are constructing */
GList *queued_groups; /* the constructed groups, head is the active one */
};
struct _GstPlayBaseBinClass {
GstPipelineClass parent_class;
/* virtual fuctions */
gboolean (*setup_output_pads) (GstPlayBaseBin *play_base_bin,
GstPlayBaseGroup *group);
};
GType gst_play_base_bin_get_type (void);
G_END_DECLS
#endif /* __GST_PLAYBASEBIN_H__ */