ref: f642ee891b1db8087f8d09847ec464c9be89113e
dir: /y4minput.h/
/* * 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_