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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_DECODER_H_
#define _GST_BASE_VIDEO_DECODER_H_
#include <gst/video/gstbasevideocodec.h>
G_BEGIN_DECLS
#define GST_TYPE_BASE_VIDEO_DECODER \
(gst_base_video_decoder_get_type())
#define GST_BASE_VIDEO_DECODER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoder))
#define GST_BASE_VIDEO_DECODER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass))
#define GST_BASE_VIDEO_DECODER_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass))
#define GST_IS_BASE_VIDEO_DECODER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_DECODER))
#define GST_IS_BASE_VIDEO_DECODER_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_DECODER))
/**
* GST_BASE_VIDEO_DECODER_SINK_NAME:
*
* The name of the templates for the sink pad.
*/
#define GST_BASE_VIDEO_DECODER_SINK_NAME "sink"
/**
* GST_BASE_VIDEO_DECODER_SRC_NAME:
*
* The name of the templates for the source pad.
*/
#define GST_BASE_VIDEO_DECODER_SRC_NAME "src"
/**
* GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA:
*
* Custom GstFlowReturn value indicating that more data is needed.
*/
#define GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
typedef struct _GstBaseVideoDecoder GstBaseVideoDecoder;
typedef struct _GstBaseVideoDecoderClass GstBaseVideoDecoderClass;
struct _GstBaseVideoDecoder
{
GstBaseVideoCodec base_video_codec;
/*< private >*/
GstAdapter *input_adapter;
GstAdapter *output_adapter;
GList *frames;
gboolean have_sync;
gboolean discont;
gboolean started;
GstVideoState state;
gboolean sink_clipping;
guint64 presentation_frame_number;
guint64 system_frame_number;
GstCaps *caps;
gboolean have_src_caps;
GstVideoFrame *current_frame;
int distance_from_sync;
int reorder_depth;
GstClockTime buffer_timestamp;
GstClockTime timestamp_offset;
gdouble proportion;
GstClockTime earliest_time;
GstBuffer *codec_data;
guint64 offset;
GstClockTime last_timestamp;
GstClockTime last_sink_timestamp;
GstClockTime last_sink_offset_end;
guint64 base_picture_number;
int field_index;
};
struct _GstBaseVideoDecoderClass
{
GstBaseVideoCodecClass base_video_codec_class;
gboolean (*set_format) (GstBaseVideoDecoder *coder, GstVideoFormat,
int width, int height, int fps_n, int fps_d,
int par_n, int par_d);
gboolean (*start) (GstBaseVideoDecoder *coder);
gboolean (*stop) (GstBaseVideoDecoder *coder);
gboolean (*reset) (GstBaseVideoDecoder *coder);
int (*scan_for_sync) (GstBaseVideoDecoder *decoder, gboolean at_eos,
int offset, int n);
GstFlowReturn (*parse_data) (GstBaseVideoDecoder *decoder, gboolean at_eos);
gboolean (*finish) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
GstFlowReturn (*handle_frame) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
GstFlowReturn (*shape_output) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
GstCaps *(*get_caps) (GstBaseVideoDecoder *coder);
};
GType gst_base_video_decoder_get_type (void);
int gst_base_video_decoder_get_width (GstBaseVideoDecoder *coder);
int gst_base_video_decoder_get_height (GstBaseVideoDecoder *coder);
guint64 gst_base_video_decoder_get_timestamp_offset (GstBaseVideoDecoder *coder);
GstVideoFrame *gst_base_video_decoder_get_frame (GstBaseVideoDecoder *coder,
int frame_number);
void gst_base_video_decoder_add_to_frame (GstBaseVideoDecoder *base_video_decoder,
int n_bytes);
GstFlowReturn gst_base_video_decoder_finish_frame (GstBaseVideoDecoder *base_video_decoder,
GstVideoFrame *frame);
GstFlowReturn gst_base_video_decoder_end_of_stream (GstBaseVideoDecoder *base_video_decoder,
GstBuffer *buffer);
GstFlowReturn
gst_base_video_decoder_have_frame (GstBaseVideoDecoder *base_video_decoder);
GstVideoState * gst_base_video_decoder_get_state (GstBaseVideoDecoder *base_video_decoder);
void gst_base_video_decoder_set_state (GstBaseVideoDecoder *base_video_decoder,
GstVideoState *state);
void gst_base_video_decoder_lost_sync (GstBaseVideoDecoder *base_video_decoder);
void gst_base_video_decoder_set_sync_point (GstBaseVideoDecoder *base_video_decoder);
void gst_base_video_decoder_set_src_caps (GstBaseVideoDecoder *base_video_decoder);
G_END_DECLS
#endif
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