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/*
* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPXSTATS_H_
#define VPXSTATS_H_
#include <stdio.h>
#include "vpx/vpx_encoder.h"
/* This structure is used to abstract the different ways of handling
* first pass statistics
*/
typedef struct {
vpx_fixed_buf_t buf;
int pass;
FILE *file;
char *buf_ptr;
size_t buf_alloc_sz;
} stats_io_t;
int stats_open_file(stats_io_t *stats, const char *fpf, int pass);
int stats_open_mem(stats_io_t *stats, int pass);
void stats_close(stats_io_t *stats, int last_pass);
void stats_write(stats_io_t *stats, const void *pkt, size_t len);
vpx_fixed_buf_t stats_get(stats_io_t *stats);
double vp8_mse2psnr(double samples, double peak, double mse);
#endif // VPXSTATS_H_
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