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ffmpeg / libavutil / fifo.h @ f5a478f6

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1 f5a478f6 Roman Shaposhnik
#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 */