1 files changed, 0 insertions, 132 deletions
diff --git a/audio/filter/af_extrastereo.c b/audio/filter/af_extrastereo.c
deleted file mode 100644
index 49222ebfdc..0000000000
--- a/audio/filter/af_extrastereo.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright (C) 2004 Alex Beregszaszi & Pierre Lombard
- *
- * 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 <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <inttypes.h>
-#include <math.h>
-#include <limits.h>
-
-#include "common/common.h"
-#include "af.h"
-
-// Data for specific instances of this filter
-typedef struct af_extrastereo_s
-{
-    float mul;
-}af_extrastereo_t;
-
-// Initialization and runtime control
-static int control(struct af_instance* af, int cmd, void* arg)
-{
-  switch(cmd){
-  case AF_CONTROL_REINIT:{
-    // Sanity check
-    if(!arg) return AF_ERROR;
-
-    mp_audio_copy_config(af->data, (struct mp_audio*)arg);
-    mp_audio_force_interleaved_format(af->data);
-    mp_audio_set_num_channels(af->data, 2);
-    if (af->data->format != AF_FORMAT_FLOAT)
-        mp_audio_set_format(af->data, AF_FORMAT_S16);
-
-    return af_test_output(af,(struct mp_audio*)arg);
-  }
-  }
-  return AF_UNKNOWN;
-}
-
-// Filter data through filter
-static void play_s16(af_extrastereo_t *s, struct mp_audio* data)
-{
-  register int i = 0;
-  int16_t *a = (int16_t*)data->planes[0];       // Audio data
-  int len = data->samples*data->nch;            // Number of samples
-  int avg, l, r;
-
-  for (i = 0; i < len; i+=2)
-  {
-    avg = (a[i] + a[i + 1]) / 2;
-
-    l = avg + (int)(s->mul * (a[i] - avg));
-    r = avg + (int)(s->mul * (a[i + 1] - avg));
-
-    a[i] = MPCLAMP(l, SHRT_MIN, SHRT_MAX);
-    a[i + 1] = MPCLAMP(r, SHRT_MIN, SHRT_MAX);
-  }
-}
-
-static void play_float(af_extrastereo_t *s, struct mp_audio* data)
-{
-  register int i = 0;
-  float *a = (float*)data->planes[0];   // Audio data
-  int len = data->samples * data->nch;  // Number of samples
-  float avg, l, r;
-
-  for (i = 0; i < len; i+=2)
-  {
-    avg = (a[i] + a[i + 1]) / 2;
-
-    l = avg + (s->mul * (a[i] - avg));
-    r = avg + (s->mul * (a[i + 1] - avg));
-
-    a[i] = af_softclip(l);
-    a[i + 1] = af_softclip(r);
-  }
-}
-
-static int filter_frame(struct af_instance *af, struct mp_audio *data)
-{
-    if (!data)
-        return 0;
-    if (af_make_writeable(af, data) < 0) {
-        talloc_free(data);
-        return -1;
-    }
-    if (data->format == AF_FORMAT_FLOAT) {
-        play_float(af->priv, data);
-    } else {
-        play_s16(af->priv, data);
-    }
-    af_add_output_frame(af, data);
-    return 0;
-}
-
-// Allocate memory and set function pointers
-static int af_open(struct af_instance* af){
-  af->control=control;
-  af->filter_frame = filter_frame;
-
-  return AF_OK;
-}
-
-#define OPT_BASE_STRUCT af_extrastereo_t
-const struct af_info af_info_extrastereo = {
-    .info = "Increase difference between audio channels",
-    .name = "extrastereo",
-    .flags = AF_FLAGS_NOT_REENTRANT,
-    .open = af_open,
-    .priv_size = sizeof(af_extrastereo_t),
-    .options = (const struct m_option[]) {
-        OPT_FLOAT("mul", mul, 0, OPTDEF_FLOAT(2.5)),
-        {0}
-    },
-};