1 /* 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VPXSTATS_H_ 12 #define VPXSTATS_H_ 13 14 #include <stdio.h> 15 16 #include "vpx/vpx_encoder.h" 17 18 /* This structure is used to abstract the different ways of handling 19 * first pass statistics 20 */ 21 typedef struct { 22 vpx_fixed_buf_t buf; 23 int pass; 24 FILE *file; 25 char *buf_ptr; 26 size_t buf_alloc_sz; 27 } stats_io_t; 28 29 int stats_open_file(stats_io_t *stats, const char *fpf, int pass); 30 int stats_open_mem(stats_io_t *stats, int pass); 31 void stats_close(stats_io_t *stats, int last_pass); 32 void stats_write(stats_io_t *stats, const void *pkt, size_t len); 33 vpx_fixed_buf_t stats_get(stats_io_t *stats); 34 35 double vp8_mse2psnr(double samples, double peak, double mse); 36 37 #endif // VPXSTATS_H_ 38