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-rw-r--r--audio/mixer.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/audio/mixer.c b/audio/mixer.c
deleted file mode 100644
index 795edfa628..0000000000
--- a/audio/mixer.c
+++ /dev/null
@@ -1,147 +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 <string.h>
-#include <stdio.h>
-#include <math.h>
-#include <assert.h>
-
-#include <libavutil/common.h>
-
-#include "config.h"
-#include "audio/filter/af.h"
-#include "common/global.h"
-#include "common/msg.h"
-#include "mpv_talloc.h"
-#include "mixer.h"
-
-struct mixer {
- struct mp_log *log;
- struct MPOpts *opts;
- struct af_stream *af;
- // Other stuff
- float balance;
-};
-
-struct mixer *mixer_init(void *talloc_ctx, struct mpv_global *global)
-{
- struct mixer *mixer = talloc_ptrtype(talloc_ctx, mixer);
- *mixer = (struct mixer) {
- .log = mp_log_new(mixer, global->log, "mixer"),
- .opts = global->opts,
- };
- return mixer;
-}
-
-bool mixer_audio_initialized(struct mixer *mixer)
-{
- return !!mixer->af;
-}
-
-// Called when opts->softvol_volume or opts->softvol_mute were changed.
-void mixer_update_volume(struct mixer *mixer)
-{
- if (!mixer->af)
- return;
-
- float gain = MPMAX(mixer->opts->softvol_volume / 100.0, 0);
- if (mixer->opts->softvol_mute == 1)
- gain = 0.0;
-
- if (!af_control_any_rev(mixer->af, AF_CONTROL_SET_VOLUME, &gain)) {
- if (gain == 1.0)
- return;
- MP_VERBOSE(mixer, "Inserting volume filter.\n");
- if (!(af_add(mixer->af, "volume", "softvol", NULL)
- && af_control_any_rev(mixer->af, AF_CONTROL_SET_VOLUME, &gain)))
- MP_ERR(mixer, "No volume control available.\n");
- }
-}
-
-void mixer_getbalance(struct mixer *mixer, float *val)
-{
- if (mixer->af)
- af_control_any_rev(mixer->af, AF_CONTROL_GET_PAN_BALANCE, &mixer->balance);
- *val = mixer->balance;
-}
-
-/* NOTE: Currently the balance code is seriously buggy: it always changes
- * the af_pan mapping between the first two input channels and first two
- * output channels to particular values. These values make sense for an
- * af_pan instance that was automatically inserted for balance control
- * only and is otherwise an identity transform, but if the filter was
- * there for another reason, then ignoring and overriding the original
- * values is completely wrong.
- */
-
-void mixer_setbalance(struct mixer *mixer, float val)
-{
- struct af_instance *af_pan_balance;
-
- mixer->balance = val;
-
- if (!mixer->af)
- return;
-
- if (af_control_any_rev(mixer->af, AF_CONTROL_SET_PAN_BALANCE, &val))
- return;
-
- if (val == 0)
- return;
-
- if (!(af_pan_balance = af_add(mixer->af, "pan", "autopan", NULL))) {
- MP_ERR(mixer, "No balance control available.\n");
- return;
- }
-
- /* make all other channels pass through since by default pan blocks all */
- for (int i = 2; i < AF_NCH; i++) {
- float level[AF_NCH] = {0};
- level[i] = 1.f;
- af_control_ext_t arg_ext = { .ch = i, .arg = level };
- af_pan_balance->control(af_pan_balance, AF_CONTROL_SET_PAN_LEVEL,
- &arg_ext);
- }
-
- af_pan_balance->control(af_pan_balance, AF_CONTROL_SET_PAN_BALANCE, &val);
-}
-
-// Called after the audio filter chain is built or rebuilt.
-// (Can be called multiple times, even without mixer_uninit() in-between.)
-void mixer_reinit_audio(struct mixer *mixer, struct af_stream *af)
-{
- mixer->af = af;
- if (!af)
- return;
-
- if (mixer->opts->softvol == SOFTVOL_NO)
- MP_ERR(mixer, "--softvol=no is not supported anymore.\n");
-
- mixer_update_volume(mixer);
-
- if (mixer->balance != 0)
- mixer_setbalance(mixer, mixer->balance);
-}
-
-/* Called before uninitializing the audio filter chain. The main purpose is to
- * turn off mute, in case it's a global/persistent setting which might
- * otherwise be left enabled even after this player instance exits.
- */
-void mixer_uninit_audio(struct mixer *mixer)
-{
- mixer->af = NULL;
-}