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avcodec/vp56: Add vpX_rac_is_end() to check for the end of input
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -227,6 +227,14 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
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extern const uint8_t ff_vp56_norm_shift[256];
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int ff_vp56_init_range_decoder(VP56RangeCoder *c, const uint8_t *buf, int buf_size);
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/**
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* vp5689 returns 1 if the end of the stream has been reached, 0 otherwise.
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*/
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static av_always_inline int vpX_rac_is_end(VP56RangeCoder *c)
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{
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return c->end <= c->buffer && c->bits >= 0;
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}
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static av_always_inline unsigned int vp56_rac_renorm(VP56RangeCoder *c)
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{
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int shift = ff_vp56_norm_shift[c->high];
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