/* VPX

 * Copyright (C) 2006 David Schleef <ds@schleef.org>

 * Copyright (C) 2008,2009,2010 Entropy Wave Inc

 * Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>

 *

 * 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., 51 Franklin St, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 *

 */

#ifndef __GST_VPX_DEC_H__

#define __GST_VPX_DEC_H__

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#if defined(HAVE_VP8_DECODER) || defined(HAVE_VP9_DECODER)

#include <gst/gst.h>

#include <gst/video/gstvideodecoder.h>

/* FIXME: Undef HAVE_CONFIG_H because vpx_codec.h uses it,

 * which causes compilation failures */

#ifdef HAVE_CONFIG_H

#undef HAVE_CONFIG_H

#endif

#include <vpx/vpx_decoder.h>

#include <vpx/vp8dx.h>

G_BEGIN_DECLS

#define GST_TYPE_VPX_DEC \

  (gst_vpx_dec_get_type())

#define GST_VPX_DEC(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VPX_DEC,GstVPXDec))

#define GST_VPX_DEC_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VPX_DEC,GstVPXDecClass))

#define GST_IS_VPX_DEC(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VPX_DEC))

#define GST_IS_VPX_DEC_CLASS(obj) \

  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VPX_DEC))

#define GST_VPX_DEC_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VPX_DEC, GstVPXDecClass))

typedef struct _GstVPXDec GstVPXDec;

typedef struct _GstVPXDecClass GstVPXDecClass;

struct _GstVPXDec

{

  GstVideoDecoder base_video_decoder;

  /* < private > */

  vpx_codec_ctx_t decoder;

  /* state */

  gboolean decoder_inited;

  /* properties */

  gboolean post_processing;

  enum vp8_postproc_level post_processing_flags;

  gint deblocking_level;

  gint noise_level;

  gint threads;

  GstVideoCodecState *input_state;

  GstVideoCodecState *output_state;

  /* allocation */

  gboolean have_video_meta;

  GstBufferPool *pool;

  gsize buf_size;

};

struct _GstVPXDecClass

{

  GstVideoDecoderClass base_video_decoder_class;

  const char* video_codec_tag;

  /*supported vpx algo*/

  vpx_codec_iface_t* codec_algo;

  /*virtual function to open_codec*/

  GstFlowReturn (*open_codec) (GstVPXDec * dec, GstVideoCodecFrame * frame);

  /*virtual function to send tags*/

  void (*send_tags) (GstVPXDec* dec);

  /*virtual function to set/correct the stream info*/

  void (*set_stream_info) (GstVPXDec *dec, vpx_codec_stream_info_t *stream_info);

  /*virtual function to set default format while opening codec*/

  void (*set_default_format) (GstVPXDec *dec, GstVideoFormat fmt, int width, int height);

  /*virtual function to negotiate format while handling frame*/

  void (*handle_resolution_change) (GstVPXDec *dec, vpx_image_t *img, GstVideoFormat fmt);

  /*virtual function to check valid format*/

  gboolean (*get_frame_format)(GstVPXDec *dec, vpx_image_t *img, GstVideoFormat* fmt);

};

GType gst_vpx_dec_get_type (void);

G_END_DECLS

#endif

#endif /* __GST_VP8_DEC_H__ */