mirror of
https://gitee.com/openharmony/third_party_ffmpeg
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55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
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* Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_BASE64_H
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#define AVUTIL_BASE64_H
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#include <stdint.h>
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/**
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* Decode the base64-encoded string in in and put the decoded
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* data in out.
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*
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* @param out_size size in bytes of the out buffer, it should be at
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* least 3/4 of the length of in
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* @return the number of bytes written, or a negative value in case of
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* error
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*/
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int av_base64_decode(uint8_t *out, const char *in, int out_size);
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/**
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* Encode in base64 the data in in and put the resulting string
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* in out.
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*
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* @param out_size size in bytes of the out string, it should be at
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* least ((in_size + 2) / 3) * 4 + 1
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* @param in_size size in bytes of the in buffer
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* @return the string containing the encoded data, or NULL in case of
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* error
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*/
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char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
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/**
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* Calculate the output size needed to base64-encode x bytes.
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*/
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#define AV_BASE64_SIZE(x) (((x)+2) / 3 * 4 + 1)
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#endif /* AVUTIL_BASE64_H */
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