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use range of lpc orders in ORDER_METHOD_EST
Originally committed as revision 14796 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -117,12 +117,12 @@ static void quantize_lpc_coefs(double *lpc_in, int order, int precision,
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*shift = sh;
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}
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static int estimate_best_order(double *ref, int max_order)
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static int estimate_best_order(double *ref, int min_order, int max_order)
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{
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int i, est;
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est = 1;
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for(i=max_order-1; i>=0; i--) {
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est = min_order;
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for(i=max_order-1; i>=min_order-1; i--) {
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if(ref[i] > 0.10) {
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est = i+1;
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break;
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@ -192,7 +192,7 @@ int ff_lpc_calc_coefs(DSPContext *s,
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opt_order = max_order;
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if(omethod == ORDER_METHOD_EST) {
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opt_order = estimate_best_order(ref, max_order);
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opt_order = estimate_best_order(ref, min_order, max_order);
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i = opt_order-1;
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quantize_lpc_coefs(lpc[i], i+1, precision, coefs[i], &shift[i], max_shift, zero_shift);
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} else {
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