gstreamer/ext/kate/gstkateutil.h
2011-10-08 14:22:58 +02:00

103 lines
3.3 KiB
C

/* -*- c-basic-offset: 2 -*-
* GStreamer
* Copyright (C) <2008> Vincent Penquerc'h <ogg.k.ogg.k at googlemail dot 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_KATE_UTIL_H__
#define __GST_KATE_UTIL_H__
#include <kate/kate.h>
#include <gst/gst.h>
G_BEGIN_DECLS enum
{
ARG_DEC_BASE_0,
ARG_DEC_BASE_LANGUAGE,
ARG_DEC_BASE_CATEGORY,
ARG_DEC_BASE_ORIGINAL_CANVAS_WIDTH,
ARG_DEC_BASE_ORIGINAL_CANVAS_HEIGHT,
DECODER_BASE_ARG_COUNT
};
typedef struct
{
GstEvent * event;
gboolean (*handler)(GstPad *, GstEvent *);
GstPad *pad;
} GstKateDecoderBaseQueuedEvent;
typedef struct
{
GstElement element;
kate_state k;
gboolean initialized;
GstTagList *tags;
gchar *language;
gchar *category;
gint original_canvas_width;
gint original_canvas_height;
GstSegment kate_segment;
gboolean kate_flushing;
gboolean delay_events;
GQueue *event_queue;
} GstKateDecoderBase;
extern GstCaps *gst_kate_util_set_header_on_caps (GstElement * element,
GstCaps * caps, GList * headers);
extern void gst_kate_util_decode_base_init (GstKateDecoderBase * decoder,
gboolean delay_events);
extern void gst_kate_util_install_decoder_base_properties (GObjectClass *
gobject_class);
extern gboolean gst_kate_util_decoder_base_get_property (GstKateDecoderBase *
decoder, GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec);
extern GstFlowReturn
gst_kate_util_decoder_base_chain_kate_packet (GstKateDecoderBase * decoder,
GstElement * element, GstPad * pad, GstBuffer * buffer, GstPad * srcpad,
GstPad * tagpad, GstCaps **src_caps, const kate_event ** ev);
extern void
gst_kate_util_decoder_base_set_flushing (GstKateDecoderBase * decoder,
gboolean flushing);
extern void
gst_kate_util_decoder_base_segment_event (GstKateDecoderBase * decoder,
GstEvent * event);
extern gboolean
gst_kate_util_decoder_base_update_segment (GstKateDecoderBase * decoder,
GstElement * element, GstBuffer * buf);
extern GstStateChangeReturn
gst_kate_decoder_base_change_state (GstKateDecoderBase * decoder,
GstElement * element, GstElementClass * parent_class,
GstStateChange transition);
extern gboolean gst_kate_decoder_base_convert (GstKateDecoderBase * decoder,
GstElement * element, GstPad * pad, GstFormat src_fmt, gint64 src_val,
GstFormat * dest_fmt, gint64 * dest_val);
extern gboolean gst_kate_decoder_base_sink_query (GstKateDecoderBase * decoder,
GstElement * element, GstPad * pad, GstQuery * query);
extern gboolean
gst_kate_util_decoder_base_queue_event (GstKateDecoderBase * decoder, GstEvent * event, gboolean (*handler)(GstPad *, GstEvent *), GstPad * pad);
G_END_DECLS
#endif /* __GST_KATE_UTIL_H__ */