diff options
Diffstat (limited to 'media-video/mplayer/files/af_equalizer.c.diff')
| -rw-r--r-- | media-video/mplayer/files/af_equalizer.c.diff | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/media-video/mplayer/files/af_equalizer.c.diff b/media-video/mplayer/files/af_equalizer.c.diff deleted file mode 100644 index 7855891..0000000 --- a/media-video/mplayer/files/af_equalizer.c.diff +++ /dev/null @@ -1,75 +0,0 @@ ---- libaf/af_equalizer.c.orig 2009-05-13 04:58:57.000000000 +0200 -+++ libaf/af_equalizer.c 2010-03-09 22:03:10.000000000 +0100 -@@ -51,7 +51,7 @@ - 8 8.000 kHz - 9 16.00 kHz - */ --#define CF {31.25,62.5,125,250,500,1000,2000,4000,8000,16000} -+#define CF {23.4375,46.875,93.75,187.5,375,750,1500,3000,6000,12000} - - // Maximum and minimum gain for the bands - #define G_MAX +12.0 -@@ -60,9 +60,9 @@ - // Data for specific instances of this filter - typedef struct af_equalizer_s - { -- float a[KM][L]; // A weights -- float b[KM][L]; // B weights -- float wq[AF_NCH][KM][L]; // Circular buffer for W data -+ double a[KM][L]; // A weights -+ double b[KM][L]; // B weights -+ double wq[AF_NCH][KM][L]; // Circular buffer for W data - float g[AF_NCH][KM]; // Gain factor for each channel and band - int K; // Number of used eq bands - int channels; // Number of channels -@@ -70,9 +70,9 @@ - } af_equalizer_t; - - // 2nd order Band-pass Filter design --static void bp2(float* a, float* b, float fc, float q){ -+static void bp2(double* a, double* b, double fc, double q){ - double th= 2.0 * M_PI * fc; -- double C = (1.0 - tan(th*q/2.0))/(1.0 + tan(th*q/2.0)); -+ double C = (1.0 - tan(th*q/4.0))/(1.0 + tan(th*q/4.0)); - - a[0] = (1.0 + C) * cos(th); - a[1] = -1 * C; -@@ -89,7 +89,7 @@ - switch(cmd){ - case AF_CONTROL_REINIT:{ - int k =0, i =0; -- float F[KM] = CF; -+ double F[KM] = CF; - - s->gain_factor=0.0; - -@@ -103,7 +103,7 @@ - - // Calculate number of active filters - s->K=KM; -- while(F[s->K-1] > (float)af->data->rate/2.2) -+ while(F[s->K-1] > (double)af->data->rate/2.2) - s->K--; - - if(s->K != KM) -@@ -112,7 +112,7 @@ - - // Generate filter taps - for(k=0;k<s->K;k++) -- bp2(s->a[k],s->b[k],F[k]/((float)af->data->rate),Q); -+ bp2(s->a[k],s->b[k],F[k]/((double)af->data->rate),Q); - - // Calculate how much this plugin adds to the overall time delay - af->delay = 2 * af->data->nch * af->data->bps; -@@ -209,9 +209,9 @@ - // Run the filters - for(;k<s->K;k++){ - // Pointer to circular buffer wq -- register float* wq = s->wq[ci][k]; -+ double* wq = s->wq[ci][k]; - // Calculate output from AR part of current filter -- register float w=yt*s->b[k][0] + wq[0]*s->a[k][0] + wq[1]*s->a[k][1]; -+ double w=yt*s->b[k][0] + wq[0]*s->a[k][0] + wq[1]*s->a[k][1]; - // Calculate output form MA part of current filter - yt+=(w + wq[1]*s->b[k][1])*g[k]; - // Update circular buffer |