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lavu/fifo: add const to arguments
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -51,12 +51,12 @@ void av_fifo_reset(AVFifoBuffer *f)
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f->wndx = f->rndx = 0;
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}
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int av_fifo_size(AVFifoBuffer *f)
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int av_fifo_size(const AVFifoBuffer *f)
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{
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return (uint32_t)(f->wndx - f->rndx);
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}
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int av_fifo_space(AVFifoBuffer *f)
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int av_fifo_space(const AVFifoBuffer *f)
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{
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return f->end - f->buffer - av_fifo_size(f);
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}
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@ -59,7 +59,7 @@ void av_fifo_reset(AVFifoBuffer *f);
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* @param f AVFifoBuffer to read from
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* @return size
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*/
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int av_fifo_size(AVFifoBuffer *f);
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int av_fifo_size(const AVFifoBuffer *f);
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/**
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* Return the amount of space in bytes in the AVFifoBuffer, that is the
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@ -67,7 +67,7 @@ int av_fifo_size(AVFifoBuffer *f);
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* @param f AVFifoBuffer to write into
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* @return size
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*/
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int av_fifo_space(AVFifoBuffer *f);
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int av_fifo_space(const AVFifoBuffer *f);
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/**
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* Feed data from an AVFifoBuffer to a user-supplied callback.
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