mirror of
https://github.com/xenia-project/FFmpeg.git
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44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/*
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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 FIFO_H
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#define FIFO_H
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typedef struct AVFifoBuffer {
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uint8_t *buffer;
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uint8_t *rptr, *wptr, *end;
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} AVFifoBuffer;
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int av_fifo_init(AVFifoBuffer *f, int size);
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void av_fifo_free(AVFifoBuffer *f);
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int av_fifo_size(AVFifoBuffer *f);
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int av_fifo_read(AVFifoBuffer *f, uint8_t *buf, int buf_size);
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int av_fifo_generic_read(AVFifoBuffer *f, int buf_size, void (*func)(void*, void*, int), void* dest);
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void av_fifo_write(AVFifoBuffer *f, const uint8_t *buf, int size);
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void av_fifo_realloc(AVFifoBuffer *f, unsigned int size);
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void av_fifo_drain(AVFifoBuffer *f, int size);
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static inline uint8_t av_fifo_peek(AVFifoBuffer *f, int offs)
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{
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uint8_t *ptr = f->rptr + offs;
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if (ptr >= f->end)
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ptr -= f->end - f->buffer;
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return *ptr;
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}
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#endif /* FIFO_H */
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