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43 lines
1.5 KiB
43 lines
1.5 KiB
/* |
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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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