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/* GStreamer
* Copyright (C) 2008 David Schleef <ds@schleef.org>
*
* 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_BASE_VIDEO_CODEC_H_
#define _GST_BASE_VIDEO_CODEC_H_
#include <gst/gst.h>
#include <gst/video/gstbasevideoutils.h>
G_BEGIN_DECLS
#define GST_TYPE_BASE_VIDEO_CODEC \
(gst_base_video_codec_get_type())
#define GST_BASE_VIDEO_CODEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodec))
#define GST_BASE_VIDEO_CODEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
#define GST_BASE_VIDEO_CODEC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
#define GST_IS_BASE_VIDEO_CODEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_CODEC))
#define GST_IS_BASE_VIDEO_CODEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_CODEC))
/**
* GST_BASE_VIDEO_CODEC_SINK_NAME:
*
* The name of the templates for the sink pad.
*/
#define GST_BASE_VIDEO_CODEC_SINK_NAME "sink"
/**
* GST_BASE_VIDEO_CODEC_SRC_NAME:
*
* The name of the templates for the source pad.
*/
#define GST_BASE_VIDEO_CODEC_SRC_NAME "src"
/**
* GST_BASE_VIDEO_CODEC_SRC_PAD:
* @obj: base video codec instance
*
* Gives the pointer to the source #GstPad object of the element.
*/
#define GST_BASE_VIDEO_CODEC_SRC_PAD(obj) (((GstBaseVideoCodec *) (obj))->srcpad)
/**
* GST_BASE_VIDEO_CODEC_SINK_PAD:
* @obj: base video codec instance
*
* Gives the pointer to the sink #GstPad object of the element.
*/
#define GST_BASE_VIDEO_CODEC_SINK_PAD(obj) (((GstBaseVideoCodec *) (obj))->sinkpad)
/**
* GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA:
*
*/
#define GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
typedef struct _GstBaseVideoCodec GstBaseVideoCodec;
typedef struct _GstBaseVideoCodecClass GstBaseVideoCodecClass;
struct _GstBaseVideoCodec
{
GstElement element;
/*< private >*/
GstPad *sinkpad;
GstPad *srcpad;
GstAdapter *input_adapter;
GstAdapter *output_adapter;
#if 0
/* FIXME need to move from subclasses */
GstVideoState state;
#endif
//int reorder_depth;
//gboolean have_sync;
//gboolean discont;
//gboolean started;
//GstVideoFrame *current_frame;
//int distance_from_sync;
//gboolean sink_clipping;
//guint64 presentation_frame_number;
guint64 system_frame_number;
//GstCaps *caps;
//gboolean set_output_caps;
//GstClockTime buffer_timestamp;
GstClockTime timestamp_offset;
};
struct _GstBaseVideoCodecClass
{
GstElementClass element_class;
gboolean (*start) (GstBaseVideoCodec *codec);
gboolean (*stop) (GstBaseVideoCodec *codec);
gboolean (*reset) (GstBaseVideoCodec *codec);
GstFlowReturn (*parse_data) (GstBaseVideoCodec *codec, gboolean at_eos);
int (*scan_for_sync) (GstAdapter *adapter, gboolean at_eos,
int offset, int n);
GstFlowReturn (*shape_output) (GstBaseVideoCodec *codec, GstVideoFrame *frame);
GstCaps *(*get_caps) (GstBaseVideoCodec *codec);
};
GType gst_base_video_codec_get_type (void);
#if 0
guint64 gst_base_video_codec_get_timestamp (GstBaseVideoCodec *codec,
int picture_number);
#endif
GstVideoFrame * gst_base_video_codec_new_frame (GstBaseVideoCodec *base_video_codec);
void gst_base_video_codec_free_frame (GstVideoFrame *frame);
G_END_DECLS
#endif
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