mpv/audio/audio.h

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/*
* 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/>.
*/
#ifndef MP_AUDIO_H
#define MP_AUDIO_H
#include "format.h"
#include "chmap.h"
// Audio data chunk
struct mp_audio {
void *audio; // data buffer
int len; // buffer length (in bytes)
int rate; // sample rate
struct mp_chmap channels; // channel layout, use mp_audio_set_*() to set
int format; // format (AF_FORMAT_...), use mp_audio_set_format() to set
// Redundant fields, for convenience
int nch; // number of channels (redundant with chmap)
int bps; // bytes per sample (redundant with format)
};
void mp_audio_set_format(struct mp_audio *mpa, int format);
void mp_audio_set_num_channels(struct mp_audio *mpa, int num_channels);
void mp_audio_set_channels_old(struct mp_audio *mpa, int num_channels);
void mp_audio_set_channels(struct mp_audio *mpa, const struct mp_chmap *chmap);
void mp_audio_copy_config(struct mp_audio *dst, const struct mp_audio *src);
bool mp_audio_config_equals(const struct mp_audio *a, const struct mp_audio *b);
char *mp_audio_fmt_to_str(int srate, const struct mp_chmap *chmap, int format);
char *mp_audio_config_to_str(struct mp_audio *mpa);
#endif