gstreamer/gst/gstevent.h
David Schleef e134f7f75b check/Makefile.am: remove GstData checks
Original commit message from CVS:
* check/Makefile.am: remove GstData checks
* check/gst-libs/gdp.c: (START_TEST): fix for API changes
* gst/Makefile.am: add miniobject, remove data
* gst/gst.h: add miniobject, remove data
* gst/gstdata.c: remove
* gst/gstdata.h: remove
* gst/gstdata_private.h: remove
* gst/gsttypes.h: remove GstEvent and GstMessage
* gst/gstelement.c: (gst_element_post_message): fix for API changes
* gst/gstmarshal.list: change BOXED -> OBJECT
Implement GstMiniObject.
* gst/gstminiobject.c:
* gst/gstminiobject.h:
Modify to be subclasses of GstMiniObject.
* gst/gstbuffer.c: (_gst_buffer_initialize), (gst_buffer_get_type),
(gst_buffer_class_init), (gst_buffer_finalize), (_gst_buffer_copy),
(gst_buffer_init), (gst_buffer_new), (gst_buffer_new_and_alloc),
(gst_subbuffer_get_type), (gst_subbuffer_init),
(gst_buffer_create_sub), (gst_buffer_is_span_fast),
(gst_buffer_span):
* gst/gstbuffer.h:
* gst/gstevent.c: (_gst_event_initialize), (gst_event_get_type),
(gst_event_class_init), (gst_event_init), (gst_event_finalize),
(_gst_event_copy), (gst_event_new):
* gst/gstevent.h:
* gst/gstmessage.c: (_gst_message_initialize),
(gst_message_get_type), (gst_message_class_init),
(gst_message_init), (gst_message_finalize), (_gst_message_copy),
(gst_message_new), (gst_message_new_error),
(gst_message_new_warning), (gst_message_new_tag),
(gst_message_new_state_changed), (gst_message_new_application):
* gst/gstmessage.h:
* gst/gstprobe.c: (gst_probe_perform),
(gst_probe_dispatcher_dispatch):
* gst/gstprobe.h:
* gst/gstquery.c: (_gst_query_initialize), (gst_query_get_type),
(gst_query_class_init), (gst_query_finalize), (gst_query_init),
(_gst_query_copy), (gst_query_new):
Update elements for GstData -> GstMiniObject changes
* gst/gstquery.h:
* gst/gstqueue.c: (gst_queue_finalize), (gst_queue_locked_flush),
(gst_queue_chain), (gst_queue_loop):
* gst/elements/gstbufferstore.c:
(gst_buffer_store_add_buffer_func),
(gst_buffer_store_cleared_func), (gst_buffer_store_get_buffer):
* gst/elements/gstfakesink.c: (gst_fakesink_class_init),
(gst_fakesink_render):
* gst/elements/gstfakesrc.c: (gst_fakesrc_class_init):
* gst/elements/gstfilesrc.c: (gst_mmap_buffer_get_type),
(gst_mmap_buffer_class_init), (gst_mmap_buffer_init),
(gst_mmap_buffer_finalize), (gst_filesrc_map_region),
(gst_filesrc_create_read):
* gst/elements/gstidentity.c: (gst_identity_class_init):
* gst/elements/gsttypefindelement.c:
(gst_type_find_element_src_event), (free_entry_buffers),
(gst_type_find_element_handle_event):
* libs/gst/dataprotocol/dataprotocol.c:
(gst_dp_header_from_buffer):
* libs/gst/dataprotocol/dataprotocol.h:
* libs/gst/dataprotocol/dp-private.h:
2005-05-16 20:21:55 +00:00

254 lines
7.6 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wim.taymans@chello.be>
*
* gstevent.h: Header for GstEvent subsystem
*
* 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_EVENT_H__
#define __GST_EVENT_H__
#include <gst/gsttypes.h>
#include <gst/gstminiobject.h>
#include <gst/gstformat.h>
#include <gst/gstobject.h>
#include <gst/gststructure.h>
G_BEGIN_DECLS
/**
* GstEventType:
* @GST_EVENT_UNKNOWN:
* @GST_EVENT_EOS:
* @GST_EVENT_FLUSH:
* @GST_EVENT_DISCONTINUOUS:
* @GST_EVENT_QOS:
* @GST_EVENT_SEEK:
* @GST_EVENT_SIZE:
* @GST_EVENT_RATE:
* @GST_EVENT_NAVIGATION:
* @GST_EVENT_TAG:
*/
typedef enum {
GST_EVENT_UNKNOWN = 0,
GST_EVENT_EOS = 1,
GST_EVENT_FLUSH = 2,
GST_EVENT_DISCONTINUOUS = 3,
GST_EVENT_QOS = 4,
GST_EVENT_SEEK = 5,
GST_EVENT_SIZE = 8,
GST_EVENT_RATE = 9,
GST_EVENT_NAVIGATION = 10,
GST_EVENT_TAG = 11
} GstEventType;
#define GST_EVENT_ANY GST_EVENT_NAVIGATION
#define GST_EVENT_TRACE_NAME "GstEvent"
typedef struct _GstEvent GstEvent;
typedef struct _GstEventClass GstEventClass;
#define GST_TYPE_EVENT (gst_event_get_type())
#define GST_IS_EVENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_EVENT))
#define GST_IS_EVENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_EVENT))
#define GST_EVENT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_EVENT, GstEventClass))
#define GST_EVENT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_EVENT, GstEvent))
#define GST_EVENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_EVENT, GstEventClass))
#define GST_EVENT_TYPE(event) (GST_EVENT(event)->type)
#define GST_EVENT_TIMESTAMP(event) (GST_EVENT(event)->timestamp)
#define GST_EVENT_SRC(event) (GST_EVENT(event)->src)
#define GST_EVENT_IS_INTERRUPT(event) (GST_EVENT_TYPE (event) == GST_EVENT_INTERRUPT)
#define GST_SEEK_FORMAT_SHIFT 0
#define GST_SEEK_METHOD_SHIFT 16
#define GST_SEEK_FLAGS_SHIFT 20
#define GST_SEEK_FORMAT_MASK 0x0000ffff
#define GST_SEEK_METHOD_MASK 0x000f0000
#define GST_SEEK_FLAGS_MASK 0xfff00000
typedef enum {
GST_EVENT_FLAG_NONE = 0,
/* indicates negative rates are supported */
GST_RATE_FLAG_NEGATIVE = (1 << 1)
} GstEventFlag;
typedef struct
{
GstEventType type;
GstEventFlag flags;
} GstEventMask;
#ifdef G_HAVE_ISO_VARARGS
#define GST_EVENT_MASK_FUNCTION(type,functionname, ...) \
static const GstEventMask* \
functionname (type pad) \
{ \
static const GstEventMask masks[] = { \
__VA_ARGS__, \
{ 0, } \
}; \
return masks; \
}
#elif defined(G_HAVE_GNUC_VARARGS)
#define GST_EVENT_MASK_FUNCTION(type,functionname, a...) \
static const GstEventMask* \
functionname (type pad) \
{ \
static const GstEventMask masks[] = { \
a, \
{ 0, } \
}; \
return masks; \
}
#endif
/* seek events, extends GstEventFlag */
typedef enum {
/* | with some format */
/* | with one of these */
GST_SEEK_METHOD_CUR = (1 << (GST_SEEK_METHOD_SHIFT + 0)),
GST_SEEK_METHOD_SET = (1 << (GST_SEEK_METHOD_SHIFT + 1)),
GST_SEEK_METHOD_END = (1 << (GST_SEEK_METHOD_SHIFT + 2)),
/* | with optional seek flags */
/* seek flags */
GST_SEEK_FLAG_FLUSH = (1 << (GST_SEEK_FLAGS_SHIFT + 0)),
GST_SEEK_FLAG_ACCURATE = (1 << (GST_SEEK_FLAGS_SHIFT + 1)),
GST_SEEK_FLAG_KEY_UNIT = (1 << (GST_SEEK_FLAGS_SHIFT + 2)),
GST_SEEK_FLAG_SEGMENT_LOOP = (1 << (GST_SEEK_FLAGS_SHIFT + 3))
} GstSeekType;
typedef enum {
GST_SEEK_CERTAIN,
GST_SEEK_FUZZY
} GstSeekAccuracy;
typedef struct
{
GstFormat format;
gint64 start_value;
gint64 end_value;
} GstFormatValue;
#define GST_EVENT_SEEK_TYPE(event) (GST_EVENT(event)->event_data.seek.type)
#define GST_EVENT_SEEK_FORMAT(event) (GST_EVENT_SEEK_TYPE(event) & GST_SEEK_FORMAT_MASK)
#define GST_EVENT_SEEK_METHOD(event) (GST_EVENT_SEEK_TYPE(event) & GST_SEEK_METHOD_MASK)
#define GST_EVENT_SEEK_FLAGS(event) (GST_EVENT_SEEK_TYPE(event) & GST_SEEK_FLAGS_MASK)
#define GST_EVENT_SEEK_OFFSET(event) (GST_EVENT(event)->event_data.seek.offset)
#define GST_EVENT_SEEK_ENDOFFSET(event) (GST_EVENT(event)->event_data.seek.endoffset)
#define GST_EVENT_SEEK_ACCURACY(event) (GST_EVENT(event)->event_data.seek.accuracy)
#define GST_EVENT_DISCONT_RATE(event) (GST_EVENT(event)->event_data.discont.rate)
#define GST_EVENT_DISCONT_OFFSET(event,i) (GST_EVENT(event)->event_data.discont.offsets[i])
#define GST_EVENT_DISCONT_OFFSET_LEN(event) (GST_EVENT(event)->event_data.discont.noffsets)
#define GST_EVENT_FLUSH_DONE(event) (GST_EVENT(event)->event_data.flush.done)
#define GST_EVENT_SIZE_FORMAT(event) (GST_EVENT(event)->event_data.size.format)
#define GST_EVENT_SIZE_VALUE(event) (GST_EVENT(event)->event_data.size.value)
#define GST_EVENT_RATE_VALUE(event) (GST_EVENT(event)->event_data.rate.value)
struct _GstEvent {
GstMiniObject mini_object;
/*< public >*/ /* with COW */
GstEventType type;
guint64 timestamp;
GstObject *src;
union {
struct {
GstSeekType type;
gint64 offset;
gint64 endoffset;
GstSeekAccuracy accuracy;
} seek;
struct {
GstFormatValue offsets[8];
gint noffsets;
gdouble rate;
} discont;
struct {
gboolean done;
} flush;
struct {
GstFormat format;
gint64 value;
} size;
struct {
gdouble value;
} rate;
struct {
GstStructure *structure;
} structure;
} event_data;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
struct _GstEventClass {
GstMiniObjectClass mini_object_class;
};
void _gst_event_initialize (void);
GType gst_event_get_type (void);
GstEvent* gst_event_new (GstEventType type);
/* refcounting */
#define gst_event_ref(ev) GST_EVENT (gst_mini_object_ref (GST_MINI_OBJECT (ev)))
#define gst_event_unref(ev) gst_mini_object_unref (GST_MINI_OBJECT (ev))
/* copy buffer */
#define gst_event_copy(ev) GST_EVENT (gst_mini_object_copy (GST_MINI_OBJECT (ev)))
gboolean gst_event_masks_contains (const GstEventMask *masks, GstEventMask *mask);
/* seek event */
GstEvent* gst_event_new_seek (GstSeekType type, gint64 offset);
GstEvent* gst_event_new_segment_seek (GstSeekType type, gint64 start, gint64 stop);
/* size events */
GstEvent* gst_event_new_size (GstFormat format, gint64 value);
/* discontinous event */
GstEvent* gst_event_new_discontinuous (gdouble rate,
GstFormat format1, ...);
GstEvent* gst_event_new_discontinuous_valist (gdouble rate,
GstFormat format1,
va_list var_args);
gboolean gst_event_discont_get_value (GstEvent *event, GstFormat format,
gint64 *start_value, gint64 *end_value);
#define gst_event_new_filler() gst_event_new(GST_EVENT_FILLER)
/* flush events */
GstEvent* gst_event_new_flush (gboolean done);
G_END_DECLS
#endif /* __GST_EVENT_H__ */