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ffmpeg / libavcodec / bytestream.h @ 849f1035

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/*
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 * Bytestream functions
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 * copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
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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 FFMPEG_BYTESTREAM_H
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#define FFMPEG_BYTESTREAM_H
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static av_always_inline unsigned int bytestream_get_le32(uint8_t **b)
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{
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    (*b) += 4;
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    return LE_32(*b - 4);
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}
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static av_always_inline unsigned int bytestream_get_le16(uint8_t **b)
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{
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    (*b) += 2;
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    return LE_16(*b - 2);
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}
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static av_always_inline unsigned int bytestream_get_byte(uint8_t **b)
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{
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    (*b)++;
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    return (*b)[-1];
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}
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static av_always_inline unsigned int bytestream_get_buffer(uint8_t **b, uint8_t *dst, unsigned int size)
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{
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    memcpy(dst, *b, size);
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    (*b) += size;
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    return size;
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}
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static av_always_inline void bytestream_put_be32(uint8_t **b, const unsigned int value)
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{
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    *(*b)++ = value >> 24;
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    *(*b)++ = value >> 16;
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    *(*b)++ = value >> 8;
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    *(*b)++ = value;
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};
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static av_always_inline void bytestream_put_be16(uint8_t **b, const unsigned int value)
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{
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    *(*b)++ = value >> 8;
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    *(*b)++ = value;
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}
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static av_always_inline void bytestream_put_le32(uint8_t **b, const unsigned int value)
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{
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    *(*b)++ = value;
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    *(*b)++ = value >> 8;
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    *(*b)++ = value >> 16;
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    *(*b)++ = value >> 24;
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}
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static av_always_inline void bytestream_put_le16(uint8_t **b, const unsigned int value)
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{
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    *(*b)++ = value;
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    *(*b)++ = value >> 8;
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}
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static av_always_inline void bytestream_put_byte(uint8_t **b, const unsigned int value)
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{
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    *(*b)++ = value;
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}
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static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)
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{
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    memcpy(*b, src, size);
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    (*b) += size;
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}
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#endif /* FFMPEG_BYTESTREAM_H */