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-rw-r--r--audio/filter/tools.c72
1 files changed, 0 insertions, 72 deletions
diff --git a/audio/filter/tools.c b/audio/filter/tools.c
deleted file mode 100644
index 4ebea64d4a..0000000000
--- a/audio/filter/tools.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * This file is part of mpv.
- *
- * mpv is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * mpv is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with mpv. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <math.h>
-#include <string.h>
-
-#include "common/common.h"
-#include "af.h"
-
-/* Convert from ms to sample time */
-int af_from_ms(int n, float* in, int* out, int rate, float mi, float ma)
-{
- int i = 0;
- // Sanity check
- if(!in || !out)
- return AF_ERROR;
-
- for(i=0;i<n;i++)
- out[i]=(int)((float)rate * MPCLAMP(in[i],mi,ma)/1000.0);
-
- return AF_OK;
-}
-
-/*
- * test if output format matches
- * af: audio filter
- * out: needed format, will be overwritten by available
- * format if they do not match
- * returns: AF_FALSE if formats do not match, AF_OK if they match
- *
- * compares the format, rate and nch values of af->data with out
- * Note: logically, *out=*af->data always happens, because out contains the
- * format only, no actual audio data or memory allocations. *out always
- * contains the parameters from af->data after the function returns.
- */
-int af_test_output(struct af_instance* af, struct mp_audio* out)
-{
- if((af->data->format != out->format) ||
- (af->data->bps != out->bps) ||
- (af->data->rate != out->rate) ||
- !mp_chmap_equals(&af->data->channels, &out->channels)){
- *out = *af->data;
- return AF_FALSE;
- }
- return AF_OK;
-}
-
-/* Soft clipping, the sound of a dream, thanks to Jon Wattes
- post to Musicdsp.org */
-float af_softclip(float a)
-{
- if (a >= M_PI/2)
- return 1.0;
- else if (a <= -M_PI/2)
- return -1.0;
- else
- return sin(a);
-}