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85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/**
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* @file audio/export.h
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* @author Martin Pulec <pulec@cesnet.cz>
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*/
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/*
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* Copyright (c) 2012-2021 CESNET z.s.p.o.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _AUDIO_EXPORT_H_
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#define _AUDIO_EXPORT_H_
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#ifndef __cplusplus
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#include <stdbool.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct audio_export;
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struct audio_frame;
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struct audio_export * audio_export_init(const char *filename);
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void audio_export_destroy(struct audio_export *state);
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void audio_export(struct audio_export *state, const struct audio_frame *frame);
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/**
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* Configure audio export for exporting samples directly from a sample buffer.
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* Cannot be called when export is already configured by a previous call to
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* this function, or by audio_export().
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*/
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bool audio_export_configure_raw(struct audio_export *s,
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int bps, int sample_rate, int ch_count);
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/**
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* For exporting audio directly from a sample buffer. Before using this,
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* the audio_export needs to be configured with audio_export_configure_raw()
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*
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* @param len size of data in bytes
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*/
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void audio_export_raw(struct audio_export *s, void *data, unsigned len);
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/**
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* Export audio from separate sample buffers for each channel.
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*
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* @param channels_data array of pointers to sample buffers
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* @param sample_count number of samples to export
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*/
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void audio_export_raw_ch(struct audio_export *s,
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const void **channels_data, unsigned sample_count);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _AUDIO_EXPORT_H_ */
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