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70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
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/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*
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* Based on code from the OggTheora software codec source code,
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* Copyright (C) 2002-2010 The Xiph.Org Foundation and contributors.
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*/
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#ifndef Y4MINPUT_H_
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#define Y4MINPUT_H_
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#include <stdio.h>
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#include "aom/aom_image.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct y4m_input y4m_input;
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/*The function used to perform chroma conversion.*/
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typedef void (*y4m_convert_func)(y4m_input *_y4m, unsigned char *_dst,
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unsigned char *_src);
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struct y4m_input {
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int pic_w;
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int pic_h;
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int fps_n;
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int fps_d;
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int par_n;
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int par_d;
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char interlace;
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int src_c_dec_h;
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int src_c_dec_v;
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int dst_c_dec_h;
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int dst_c_dec_v;
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char chroma_type[16];
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/*The size of each converted frame buffer.*/
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size_t dst_buf_sz;
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/*The amount to read directly into the converted frame buffer.*/
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size_t dst_buf_read_sz;
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/*The size of the auxilliary buffer.*/
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size_t aux_buf_sz;
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/*The amount to read into the auxilliary buffer.*/
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size_t aux_buf_read_sz;
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y4m_convert_func convert;
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unsigned char *dst_buf;
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unsigned char *aux_buf;
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enum aom_img_fmt aom_fmt;
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int bps;
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unsigned int bit_depth;
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};
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int y4m_input_open(y4m_input *_y4m, FILE *_fin, char *_skip, int _nskip,
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int only_420);
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void y4m_input_close(y4m_input *_y4m);
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int y4m_input_fetch_frame(y4m_input *_y4m, FILE *_fin, aom_image_t *img);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // Y4MINPUT_H_
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