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audiofx: more adjustment to changed semantics of audiofilter _setup method

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This commit is contained in:
Mark Nauwelaerts 2012-03-28 11:05:43 +02:00
parent 2ed647a900
commit 8742a0a89b
2 changed files with 8 additions and 11 deletions
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7
gst/audiofx/audiochebband.c
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@ -209,12 +209,11 @@ gst_audio_cheb_band_init (GstAudioChebBand * filter)
static void
generate_biquad_coefficients (GstAudioChebBand * filter,
gint p, gdouble * b0, gdouble * b1, gdouble * b2, gdouble * b3,
gint p, gint rate, gdouble * b0, gdouble * b1, gdouble * b2, gdouble * b3,
gdouble * b4, gdouble * a1, gdouble * a2, gdouble * a3, gdouble * a4)
{
gint np = filter->poles / 2;
gdouble ripple = filter->ripple;
gint rate = GST_AUDIO_FILTER_RATE (filter);
/* pole location in s-plane */
gdouble rp, ip;
@ -452,8 +451,8 @@ generate_coefficients (GstAudioChebBand * filter, const GstAudioInfo * info)
gdouble *ta = g_new0 (gdouble, np + 5);
gdouble *tb = g_new0 (gdouble, np + 5);
generate_biquad_coefficients (filter, p, &b0, &b1, &b2, &b3, &b4, &a1,
&a2, &a3, &a4);
generate_biquad_coefficients (filter, p, rate,
&b0, &b1, &b2, &b3, &b4, &a1, &a2, &a3, &a4);
memcpy (ta, a, sizeof (gdouble) * (np + 5));
memcpy (tb, b, sizeof (gdouble) * (np + 5));

12
gst/audiofx/audiocheblimit.c
View file

@ -201,7 +201,7 @@ gst_audio_cheb_limit_init (GstAudioChebLimit * filter)
static void
generate_biquad_coefficients (GstAudioChebLimit * filter,
gint p, gdouble * b0, gdouble * b1, gdouble * b2,
gint p, gint rate, gdouble * b0, gdouble * b1, gdouble * b2,
gdouble * a1, gdouble * a2)
{
gint np = filter->poles;
@ -320,8 +320,7 @@ generate_biquad_coefficients (GstAudioChebLimit * filter,
*/
{
gdouble k, d;
gdouble omega =
2.0 * G_PI * (filter->cutoff / GST_AUDIO_FILTER_RATE (filter));
gdouble omega = 2.0 * G_PI * (filter->cutoff / rate);
if (filter->mode == MODE_LOW_PASS)
k = sin ((1.0 - omega) / 2.0) / sin ((1.0 + omega) / 2.0);
@ -408,7 +407,7 @@ generate_coefficients (GstAudioChebLimit * filter, const GstAudioInfo * info)
gdouble *ta = g_new0 (gdouble, np + 3);
gdouble *tb = g_new0 (gdouble, np + 3);
generate_biquad_coefficients (filter, p, &b0, &b1, &b2, &a1, &a2);
generate_biquad_coefficients (filter, p, rate, &b0, &b1, &b2, &a1, &a2);
memcpy (ta, a, sizeof (gdouble) * (np + 3));
memcpy (tb, b, sizeof (gdouble) * (np + 3));
@ -466,8 +465,7 @@ generate_coefficients (GstAudioChebLimit * filter, const GstAudioInfo * info)
#ifndef GST_DISABLE_GST_DEBUG
{
gdouble wc =
2.0 * G_PI * (filter->cutoff / GST_AUDIO_FILTER_RATE (filter));
gdouble wc = 2.0 * G_PI * (filter->cutoff / rate);
gdouble zr = cos (wc), zi = sin (wc);
GST_LOG_OBJECT (filter, "%.2f dB gain @ %d Hz",
@ -478,7 +476,7 @@ generate_coefficients (GstAudioChebLimit * filter, const GstAudioInfo * info)
GST_LOG_OBJECT (filter, "%.2f dB gain @ %d Hz",
20.0 * log10 (gst_audio_fx_base_iir_filter_calculate_gain (a, np + 1, b,
np + 1, -1.0, 0.0)), GST_AUDIO_FILTER_RATE (filter) / 2);
np + 1, -1.0, 0.0)), rate);
}
}