mirror of https://github.com/mpv-player/mpv
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
#pragma once
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#include <stdbool.h>
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#include "audio/chmap.h"
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#include "filter.h"
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// Resampler filter, wrapping libswresample or libavresample.
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struct mp_swresample {
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struct mp_filter *f;
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// Desired output parameters. For unset parameters, passes through the
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// format.
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int out_rate;
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int out_format;
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struct mp_chmap out_channels;
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double speed;
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};
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struct mp_resample_opts {
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int filter_size;
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int phase_shift;
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int linear;
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double cutoff;
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int normalize;
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int allow_passthrough;
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double max_output_frame_size;
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char **avopts;
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};
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#define MP_RESAMPLE_OPTS_DEF { \
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.filter_size = 16, \
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.cutoff = 0.0, \
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.phase_shift = 10, \
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.normalize = 0, \
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.max_output_frame_size = 40,\
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}
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// Create the filter. If opts==NULL, use the global options as defaults.
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// Free with talloc_free(mp_swresample.f).
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struct mp_swresample *mp_swresample_create(struct mp_filter *parent,
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struct mp_resample_opts *opts);
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// Internal resampler delay. Does not include data buffered in mp_pins and such.
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double mp_swresample_get_delay(struct mp_swresample *s);
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