Commit 2f7d6835 authored by Vitor Sessak's avatar Vitor Sessak
Browse files

Add doxy comments to eq() and do_voice()

Originally committed as revision 13581 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent fbe52e41
......@@ -71,7 +71,10 @@ static int t_sqrt(unsigned int x)
return (ff_sqrt(x << 20) << s) << 2;
}
/* do 'voice' */
/**
* Evaluate the LPC filter coefficients from the reflection coefficients.
* Does the inverse of the eq() function.
*/
static void do_voice(const int *a1, int *a2)
{
int buffer[10];
......@@ -246,6 +249,13 @@ static int dec1(int16_t *decsp, const int *data, const int *inp, int f)
return rms(data, f);
}
/**
* Evaluate the reflection coefficients from the filter coefficients.
* Does the inverse of the do_voice() function.
*
* @return 1 if one of the reflection coefficients is of magnitude greater than
* 4095, 0 if not.
*/
static int eq(const int16_t *in, int *target)
{
int retval = 0;
......
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