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126 lines
4.7 KiB
C
126 lines
4.7 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* <2007> Wim Taymans <wim.taymans@gmail.com>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_PLAYBASEBIN_H__
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#define __GST_PLAYBASEBIN_H__
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#include <gst/gst.h>
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#include "gststreaminfo.h"
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G_BEGIN_DECLS
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#define GST_TYPE_PLAY_BASE_BIN (gst_play_base_bin_get_type())
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#define GST_PLAY_BASE_BIN(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PLAY_BASE_BIN,GstPlayBaseBin))
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#define GST_PLAY_BASE_BIN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PLAY_BASE_BIN,GstPlayBaseBinClass))
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#define GST_IS_PLAY_BASE_BIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PLAY_BASE_BIN))
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#define GST_IS_PLAY_BASE_BIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PLAY_BASE_BIN))
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#define GST_PLAY_BASE_BIN_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PLAY_BASE_BIN, \
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GstPlayBaseBinClass))
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typedef struct _GstPlayBaseBin GstPlayBaseBin;
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typedef struct _GstPlayBaseBinClass GstPlayBaseBinClass;
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/* a GstPlayBaseGroup is a group of pads and streaminfo that together
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* make up a playable stream. A new group is created from the current
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* set of pads that are alive when the preroll elements are filled or
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* when the no-more-pads signal is fired.
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*
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* We have to queue the groups as they can be created while the preroll
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* queues are still playing the old group. We monitor the EOS signals
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* on the preroll queues and when all the streams in the current group
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* have EOSed, we switch to the next queued group.
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*/
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typedef struct
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{
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GstPlayBaseBin *bin; /* ref to the owner */
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gint nstreams;
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GList *streaminfo;
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GValueArray *streaminfo_value_array;
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/* contained decoded elementary streams */
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struct {
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gint npads;
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GstBin *bin;
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GstElement *preroll;
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GstElement *selector;
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gboolean done;
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#define NUM_TYPES 4
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} type[NUM_TYPES]; /* AUDIO, VIDEO, TEXT, SUBPIC */
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} GstPlayBaseGroup;
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struct _GstPlayBaseBin {
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GstPipeline pipeline;
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/* properties */
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guint64 queue_size;
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guint64 queue_threshold;
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guint64 queue_min_threshold;
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/* connection speed in bits/sec (0 = unknown) */
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guint connection_speed;
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/* currently loaded media */
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gint current[NUM_TYPES];
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gchar *uri, *suburi;
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gboolean is_stream;
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GstElement *source;
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GSList *decoders;
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GstElement *subtitle; /* additional filesrc ! subparse bin */
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gboolean subtitle_done;
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gboolean need_rebuild;
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gboolean raw_decoding_mode; /* Use smaller queues when source outputs raw data */
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GSList *subtitle_elements; /* subtitle elements that have 'subtitle-encoding' property */
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gchar *subencoding; /* encoding to propagate to the above subtitle elements */
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GMutex *sub_lock; /* protecting subtitle_elements and subencoding members */
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/* group management - using own lock */
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GMutex *group_lock; /* lock and mutex to signal availability of new group */
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GCond *group_cond;
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GstPlayBaseGroup *building_group; /* the group that we are constructing */
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GList *queued_groups; /* the constructed groups, head is the active one */
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/* for dynamic sources */
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guint src_np_sig_id; /* new-pad signal id */
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guint src_nmp_sig_id; /* no-more-pads signal id */
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gint pending;
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};
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struct _GstPlayBaseBinClass {
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GstPipelineClass parent_class;
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/* virtual functions */
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gboolean (*setup_output_pads) (GstPlayBaseBin *play_base_bin,
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GstPlayBaseGroup *group);
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void (*set_subtitles_visible) (GstPlayBaseBin *play_base_bin,
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gboolean visible);
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void (*set_audio_mute) (GstPlayBaseBin *play_base_bin,
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gboolean mute);
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};
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GType gst_play_base_bin_get_type (void);
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G_END_DECLS
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#endif /* __GST_PLAYBASEBIN_H__ */
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