2 * Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license and patent
5 * grant that can be found in the LICENSE file in the root of the source
6 * tree. All contributing project authors may be found in the AUTHORS
7 * file in the root of the source tree.
9 * Based on code from the OggTheora software codec source code,
10 * Copyright (C) 2002-2010 The Xiph.Org Foundation and contributors.
12 #if !defined(_y4minput_H)
13 # define _y4minput_H (1)
15 # include "vpx/vpx_image.h"
19 typedef struct y4m_input y4m_input;
23 /*The function used to perform chroma conversion.*/
24 typedef void (*y4m_convert_func)(y4m_input *_y4m,
25 unsigned char *_dst,unsigned char *_src);
42 /*The size of each converted frame buffer.*/
44 /*The amount to read directly into the converted frame buffer.*/
45 size_t dst_buf_read_sz;
46 /*The size of the auxilliary buffer.*/
48 /*The amount to read into the auxilliary buffer.*/
49 size_t aux_buf_read_sz;
50 y4m_convert_func convert;
51 unsigned char *dst_buf;
52 unsigned char *aux_buf;
55 int y4m_input_open(y4m_input *_y4m,FILE *_fin,char *_skip,int _nskip);
56 void y4m_input_close(y4m_input *_y4m);
57 int y4m_input_fetch_frame(y4m_input *_y4m,FILE *_fin,vpx_image_t *img);