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lpc: Document the use_lpc parameter to ff_lpc_calc_coefs().
Patch by Patrik Kullman (patrik A yes D nu). Originally committed as revision 17216 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -94,6 +94,11 @@ static int estimate_best_order(double *ref, int min_order, int max_order)
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/**
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* Calculate LPC coefficients for multiple orders
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*
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* @param use_lpc LPC method for determining coefficients
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* 0 = LPC with fixed pre-defined coeffs
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* 1 = LPC with coeffs determined by Levinson-Durbin recursion
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* 2+ = LPC with coeffs determined by Cholesky factorization using (use_lpc-1) passes.
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*/
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int ff_lpc_calc_coefs(DSPContext *s,
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const int32_t *samples, int blocksize, int min_order,
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