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/*
* Copyright (C) 2008 Julian Scheel
*
* This file is part of xine, a free video player.
*
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* xine 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* dpb.h: Decoded Picture Buffer
*/
#ifndef DPB_H_
#define DPB_H_
#define MAX_DPB_COUNT 16
#include "nal.h"
#include "cpb.h"
#include <xine/video_out.h>
#include <xine/list.h>
#define USED_FOR_REF (top_is_reference || bottom_is_reference)
/**
* ----------------------------------------------------------------------------
* decoded picture
* ----------------------------------------------------------------------------
*/
struct decoded_picture {
vo_frame_t *img; /* this is the image we block, to make sure
* the surface is not double-used */
/**
* a decoded picture always contains a whole frame,
* respective a field pair, so it can contain up to
* 2 coded pics
*/
struct coded_picture *coded_pic[2];
int32_t frame_num_wrap;
uint8_t top_is_reference;
uint8_t bottom_is_reference;
uint32_t lock_counter;
};
struct decoded_picture* init_decoded_picture(struct coded_picture *cpic,
vo_frame_t *img);
void release_decoded_picture(struct decoded_picture *pic);
void lock_decoded_picture(struct decoded_picture *pic);
void decoded_pic_check_reference(struct decoded_picture *pic);
void decoded_pic_add_field(struct decoded_picture *pic,
struct coded_picture *cpic);
/**
* ----------------------------------------------------------------------------
* dpb code starting here
* ----------------------------------------------------------------------------
*/
/* Decoded Picture Buffer */
struct dpb {
xine_list_t *reference_list;
xine_list_t *output_list;
int max_reorder_frames;
int max_dpb_frames;
};
struct dpb* create_dpb(void);
void release_dpb(struct dpb *dpb);
/**
* calculates the total number of frames in the dpb
* when frames are used for reference and are not drawn
* yet the result would be less then reference_list-size+
* output_list-size
*/
int dpb_total_frames(struct dpb *dpb);
struct decoded_picture* dpb_get_next_out_picture(struct dpb *dpb, int do_flush);
struct decoded_picture* dpb_get_picture(struct dpb *dpb, uint32_t picnum);
struct decoded_picture* dpb_get_picture_by_ltpn(struct dpb *dpb, uint32_t longterm_picnum);
struct decoded_picture* dpb_get_picture_by_ltidx(struct dpb *dpb, uint32_t longterm_idx);
int dpb_set_unused_ref_picture_byltpn(struct dpb *dpb, uint32_t longterm_picnum);
int dpb_set_unused_ref_picture_bylidx(struct dpb *dpb, uint32_t longterm_idx);
int dpb_set_unused_ref_picture_lidx_gt(struct dpb *dpb, int32_t longterm_idx);
int dpb_unmark_picture_delayed(struct dpb *dpb, struct decoded_picture *pic);
int dpb_unmark_reference_picture(struct dpb *dpb, struct decoded_picture *pic);
int dpb_add_picture(struct dpb *dpb, struct decoded_picture *pic, uint32_t num_ref_frames);
int dpb_flush(struct dpb *dpb);
void dpb_free_all(struct dpb *dpb);
void dpb_clear_all_pts(struct dpb *dpb);
int fill_vdpau_reference_list(struct dpb *dpb, VdpReferenceFrameH264 *reflist);
int dp_top_field_first(struct decoded_picture *decoded_pic);
#endif /* DPB_H_ */
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