obs-studio/libobs/media-io/audio-resampler.h

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/******************************************************************************
Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#pragma once
#include "../util/c99defs.h"
#include "audio-io.h"
#ifdef __cplusplus
extern "C" {
#endif
struct audio_resampler;
typedef struct audio_resampler audio_resampler_t;
struct resample_info {
uint32_t samples_per_sec;
enum audio_format format;
enum speaker_layout speakers;
};
EXPORT audio_resampler_t *
audio_resampler_create(const struct resample_info *dst,
const struct resample_info *src);
EXPORT void audio_resampler_destroy(audio_resampler_t *resampler);
EXPORT bool audio_resampler_resample(audio_resampler_t *resampler,
uint8_t *output[], uint32_t *out_frames,
uint64_t *ts_offset,
const uint8_t *const input[],
uint32_t in_frames);
#ifdef __cplusplus
}
#endif