-
Notifications
You must be signed in to change notification settings - Fork 3
/
y4minput.h
68 lines (59 loc) · 1.8 KB
/
y4minput.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
/*
* Copyright (c) 2010 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.
*
* Based on code from the OggTheora software codec source code,
* Copyright (C) 2002-2010 The Xiph.Org Foundation and contributors.
*/
#ifndef Y4MINPUT_H_
#define Y4MINPUT_H_
#include <stdio.h>
#include "vpx/vpx_image.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct y4m_input y4m_input;
/*The function used to perform chroma conversion.*/
typedef void (*y4m_convert_func)(y4m_input *_y4m, unsigned char *_dst,
unsigned char *_src);
struct y4m_input {
int pic_w;
int pic_h;
int fps_n;
int fps_d;
int par_n;
int par_d;
char interlace;
int src_c_dec_h;
int src_c_dec_v;
int dst_c_dec_h;
int dst_c_dec_v;
char chroma_type[16];
/*The size of each converted frame buffer.*/
size_t dst_buf_sz;
/*The amount to read directly into the converted frame buffer.*/
size_t dst_buf_read_sz;
/*The size of the auxilliary buffer.*/
size_t aux_buf_sz;
/*The amount to read into the auxilliary buffer.*/
size_t aux_buf_read_sz;
y4m_convert_func convert;
unsigned char *dst_buf;
unsigned char *aux_buf;
enum vpx_img_fmt vpx_fmt;
int bps;
unsigned int bit_depth;
};
int y4m_input_open(y4m_input *_y4m, FILE *_fin, char *_skip, int _nskip,
int only_420);
void y4m_input_close(y4m_input *_y4m);
int y4m_input_fetch_frame(y4m_input *_y4m, FILE *_fin, vpx_image_t *img);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // Y4MINPUT_H_