gstreamer/gst/playback/gstplaybasebin.h
Wim Taymans 50e2f24b44 Raw and crude port of decodebin.
Original commit message from CVS:
* gst/playback/README:
* gst/playback/gstdecodebin.c: (gst_decode_bin_class_init),
(compare_ranks), (print_feature), (gst_decode_bin_init),
(dynamic_create), (dynamic_free), (find_compatibles),
(mimetype_is_raw), (close_pad_link), (got_redirect),
(try_to_link_1), (get_our_ghost_pad), (remove_element_chain),
(new_pad), (no_more_pads), (unlinked), (close_link), (type_found),
(gst_decode_bin_change_state):
* gst/playback/gstplaybasebin.c: (gst_play_base_bin_class_init),
(gst_play_base_bin_init), (group_destroy), (group_commit),
(check_queue), (queue_overrun), (queue_threshold_reached),
(queue_out_of_data), (gen_preroll_element), (unknown_type),
(new_decoded_pad), (setup_subtitle), (gen_source_element),
(got_redirect), (setup_source), (play_base_eos),
(gst_play_base_bin_change_state), (gst_play_base_bin_add_element),
(gst_play_base_bin_remove_element):
* gst/playback/gstplaybasebin.h:
* gst/playback/gstplaybin.c: (gst_play_bin_class_init),
(gst_play_bin_init), (gst_play_bin_dispose),
(gst_play_bin_set_property), (gen_video_element),
(gen_text_element), (gen_audio_element), (remove_sinks),
(gst_play_bin_send_event):
* gst/playback/gststreaminfo.c: (gst_stream_info_dispose),
(stream_info_change_state), (gst_stream_info_set_mute):
* gst/playback/gststreamselector.c: (gst_stream_selector_init),
(gst_stream_selector_get_caps), (gst_stream_selector_setcaps),
(gst_stream_selector_request_new_pad), (gst_stream_selector_event),
(gst_stream_selector_chain):
* gst/playback/test.c: (gen_video_element), (gen_audio_element),
(main):
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_getcaps),
(gst_xvimagesink_setcaps), (gst_xvimagesink_get_times),
(gst_xvimagesink_show_frame), (gst_xvimagesink_chain),
(gst_xvimagesink_buffer_alloc), (gst_xvimagesink_class_init):
Raw and crude port of decodebin.
Make playbin compile.
2005-04-12 10:48:58 +00:00

136 lines
4.4 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))
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;
struct {
gint npads;
GstBin *bin;
GstElement *preroll;
GstElement *selector;
gboolean done;
#define NUM_TYPES 3
} type[NUM_TYPES]; /* AUDIO, VIDEO, TEXT */
} GstPlayBaseGroup;
struct _GstPlayBaseBin {
GstBin bin;
/* properties */
gboolean threaded;
guint64 queue_size;
guint queue_threshold;
gint current[NUM_TYPES];
/* internal thread */
GstElement *thread;
gchar *uri, *suburi;
gboolean is_stream;
GstElement *source;
GstElement *decoder;
GstElement *subtitle; /* additional filesrc ! subparse bin */
gboolean need_rebuild;
/* group management */
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 */
/* list of usable factories */
GList *factories;
};
struct _GstPlayBaseBinClass {
GstBinClass parent_class;
/* signals */
void (*setup_output_pads) (GstPlayBaseBin *play_base_bin);
void (*removed_output_pad) (GstPlayBaseBin *play_base_bin,
GstStreamInfo *info);
/* 0: buf=empty (underrun) - will re-cache,
* 100: buf=full (overrun) - will flush head of cache (latency) */
void (*buffering) (GstPlayBaseBin *play_base_bin,
gint percentage);
void (*group_switch) (GstPlayBaseBin *play_base_bin);
/* Called on redirect */
void (*got_redirect) (GstPlayBaseBin *play_base_bin,
const gchar *new_location);
/* action signals */
gboolean (*link_stream) (GstPlayBaseBin *play_base_bin,
GstStreamInfo *info,
GstPad *pad);
void (*unlink_stream) (GstPlayBaseBin *play_base_bin,
GstStreamInfo *info);
};
GType gst_play_base_bin_get_type (void);
gint gst_play_base_bin_get_nstreams (GstPlayBaseBin *play_base_bin);
const GList* gst_play_base_bin_get_streaminfo (GstPlayBaseBin *play_base_bin);
gint gst_play_base_bin_get_nstreams_of_type (GstPlayBaseBin *play_base_bin,
GstStreamType type);
gboolean gst_play_base_bin_link_stream (GstPlayBaseBin *play_base_bin,
GstStreamInfo *info,
GstPad *pad);
void gst_play_base_bin_unlink_stream (GstPlayBaseBin *play_base_bin,
GstStreamInfo *info);
G_END_DECLS
#endif /* __GST_PLAYBASEBIN_H__ */