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Rename functions
Originally committed as revision 13597 to svn://svn.ffmpeg.org/ffmpeg/trunk
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d981252c27
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@ -73,9 +73,9 @@ static int t_sqrt(unsigned int x)
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/**
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* Evaluate the LPC filter coefficients from the reflection coefficients.
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* Does the inverse of the eq() function.
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* Does the inverse of the eval_refl() function.
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*/
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static void do_voice(const int *refl, int *coefs)
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static void eval_coefs(const int *refl, int *coefs)
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{
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int buffer[10];
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int *b1 = buffer;
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@ -251,12 +251,12 @@ static int dec1(int16_t *decsp, const int *data, const int *inp, int f)
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/**
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* Evaluate the reflection coefficients from the filter coefficients.
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* Does the inverse of the do_voice() function.
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* Does the inverse of the eval_coefs() function.
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*
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* @return 1 if one of the reflection coefficients is of magnitude greater than
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* 4095, 0 if not.
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*/
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static int eq(const int16_t *coefs, int *refl)
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static int eval_refl(const int16_t *coefs, int *refl)
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{
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int retval = 0;
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int b, c, i;
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@ -312,7 +312,7 @@ static int dec2(RA144Context *ractx, int16_t *decsp, int block_num,
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for (x=0; x<30; x++)
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decsp[x] = (a * ractx->lpc_coef[x] + b * ractx->lpc_coef_old[x])>> 2;
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if (eq(decsp, work)) {
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if (eval_refl(decsp, work)) {
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// The interpolated coefficients are unstable, copy either new or old
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// coefficients
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if (copynew)
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@ -350,7 +350,7 @@ static int ra144_decode_frame(AVCodecContext * avctx,
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// "<< 1"? Doesn't this make one value out of two of the table useless?
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ractx->lpc_refl[i] = decodetable[i][get_bits(&gb, sizes[i]) << 1];
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do_voice(ractx->lpc_refl, ractx->lpc_coef);
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eval_coefs(ractx->lpc_refl, ractx->lpc_coef);
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energy = decodeval[get_bits(&gb, 5) << 1]; // Useless table entries?
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