69 строки
1.8 KiB
C
69 строки
1.8 KiB
C
/*
|
|
* 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_
|