2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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.
10 * Based on code from the OggTheora software codec source code,
11 * Copyright (C) 2002-2010 The Xiph.Org Foundation and contributors.
13 #if !defined(_y4minput_H)
14 # define _y4minput_H (1)
16 # include "vpx/vpx_image.h"
20 typedef struct y4m_input y4m_input
;
24 /*The function used to perform chroma conversion.*/
25 typedef void (*y4m_convert_func
)(y4m_input
*_y4m
,
26 unsigned char *_dst
, unsigned char *_src
);
43 /*The size of each converted frame buffer.*/
45 /*The amount to read directly into the converted frame buffer.*/
46 size_t dst_buf_read_sz
;
47 /*The size of the auxilliary buffer.*/
49 /*The amount to read into the auxilliary buffer.*/
50 size_t aux_buf_read_sz
;
51 y4m_convert_func convert
;
52 unsigned char *dst_buf
;
53 unsigned char *aux_buf
;
54 enum vpx_img_fmt vpx_fmt
;
58 int y4m_input_open(y4m_input
*_y4m
, FILE *_fin
, char *_skip
, int _nskip
,
60 void y4m_input_close(y4m_input
*_y4m
);
61 int y4m_input_fetch_frame(y4m_input
*_y4m
, FILE *_fin
, vpx_image_t
*img
);