mirror of https://github.com/mpv-player/mpv
113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/*
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* Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
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* Copyright (c) 2013 Stefano Pigozzi <stefano.pigozzi@gmail.com>
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*
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* Based on Michael Niedermayer's lavcresample.
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*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <math.h>
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#include <assert.h>
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#include "common/common.h"
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#include "config.h"
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#include "common/av_common.h"
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#include "common/msg.h"
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#include "filters/f_swresample.h"
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#include "filters/filter_internal.h"
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#include "filters/user_filters.h"
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#include "options/m_config.h"
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#include "options/m_option.h"
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#include "options/options.h"
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struct af_resample {
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int allow_detach;
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struct mp_resample_opts opts;
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int global_normalize;
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};
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static void set_defaults(struct mpv_global *global, void *p)
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{
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struct af_resample *s = p;
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struct mp_resample_opts *opts = &s->opts;
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struct mp_resample_opts *src_opts =
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mp_get_config_group(s, global, &resample_conf);
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s->global_normalize = src_opts->normalize;
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assert(!opts->avopts); // we don't set a default value, so it must be NULL
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*opts = *src_opts;
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opts->avopts = NULL;
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struct m_option dummy = {.type = &m_option_type_keyvalue_list};
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m_option_copy(&dummy, &opts->avopts, &src_opts->avopts);
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}
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#define OPT_BASE_STRUCT struct af_resample
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static struct mp_filter *af_lavrresample_create(struct mp_filter *parent,
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void *options)
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{
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struct af_resample *s = options;
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if (s->opts.normalize < 0)
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s->opts.normalize = s->global_normalize;
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struct mp_swresample *swr = mp_swresample_create(parent, &s->opts);
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if (!swr)
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abort();
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MP_WARN(swr->f, "This filter is deprecated! Use the --audio-resample- options"
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" to customize resampling, or the --af=aresample filter.\n");
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talloc_free(s);
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return swr->f;
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}
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const struct mp_user_filter_entry af_lavrresample = {
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.desc = {
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.description = "Sample frequency conversion using libavresample",
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.name = "lavrresample",
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.priv_size = sizeof(struct af_resample),
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.priv_defaults = &(const struct af_resample) {
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.opts = MP_RESAMPLE_OPTS_DEF,
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.allow_detach = 1,
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},
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.options = (const struct m_option[]) {
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OPT_INTRANGE("filter-size", opts.filter_size, 0, 0, 32),
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OPT_INTRANGE("phase-shift", opts.phase_shift, 0, 0, 30),
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OPT_FLAG("linear", opts.linear, 0),
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OPT_DOUBLE("cutoff", opts.cutoff, M_OPT_RANGE, .min = 0, .max = 1),
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OPT_FLAG("detach", allow_detach, 0), // does nothing
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OPT_CHOICE("normalize", opts.normalize, 0,
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({"no", 0}, {"yes", 1}, {"auto", -1})),
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OPT_KEYVALUELIST("o", opts.avopts, 0),
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{0}
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},
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.set_defaults = set_defaults,
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},
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.create = af_lavrresample_create,
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};
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