/* Audio API.

 *

 * Copyright (C) 2016 Reece H. Dunn

 *

 * This file is part of pcaudiolib.

 *

 * pcaudiolib 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 3 of the License, or

 * (at your option) any later version.

 *

 * pcaudiolib 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 pcaudiolib.  If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef PCAUDIOLIB_AUDIO_H

#define PCAUDIOLIB_AUDIO_H

#include <stdint.h>

#include <stdlib.h>

#ifdef __cplusplus

extern "C"

{

#endif

enum audio_object_format

{

	AUDIO_OBJECT_FORMAT_S8,

	AUDIO_OBJECT_FORMAT_U8,

	AUDIO_OBJECT_FORMAT_S16LE,

	AUDIO_OBJECT_FORMAT_S16BE,

	AUDIO_OBJECT_FORMAT_U16LE,

	AUDIO_OBJECT_FORMAT_U16BE,

	AUDIO_OBJECT_FORMAT_S18LE,

	AUDIO_OBJECT_FORMAT_S18BE,

	AUDIO_OBJECT_FORMAT_U18LE,

	AUDIO_OBJECT_FORMAT_U18BE,

	AUDIO_OBJECT_FORMAT_S20LE,

	AUDIO_OBJECT_FORMAT_S20BE,

	AUDIO_OBJECT_FORMAT_U20LE,

	AUDIO_OBJECT_FORMAT_U20BE,

	AUDIO_OBJECT_FORMAT_S24LE,

	AUDIO_OBJECT_FORMAT_S24BE,

	AUDIO_OBJECT_FORMAT_U24LE,

	AUDIO_OBJECT_FORMAT_U24BE,

	AUDIO_OBJECT_FORMAT_S24_32LE,

	AUDIO_OBJECT_FORMAT_S24_32BE,

	AUDIO_OBJECT_FORMAT_U24_32LE,

	AUDIO_OBJECT_FORMAT_U24_32BE,

	AUDIO_OBJECT_FORMAT_S32LE,

	AUDIO_OBJECT_FORMAT_S32BE,

	AUDIO_OBJECT_FORMAT_U32LE,

	AUDIO_OBJECT_FORMAT_U32BE,

	AUDIO_OBJECT_FORMAT_FLOAT32LE,

	AUDIO_OBJECT_FORMAT_FLOAT32BE,

	AUDIO_OBJECT_FORMAT_FLOAT64LE,

	AUDIO_OBJECT_FORMAT_FLOAT64BE,

	AUDIO_OBJECT_FORMAT_IEC958LE,

	AUDIO_OBJECT_FORMAT_IEC958BE,

	AUDIO_OBJECT_FORMAT_ALAW,

	AUDIO_OBJECT_FORMAT_ULAW,

	AUDIO_OBJECT_FORMAT_ADPCM,

	AUDIO_OBJECT_FORMAT_MPEG,

	AUDIO_OBJECT_FORMAT_GSM,

	AUDIO_OBJECT_FORMAT_AC3,

};

struct audio_object;

int

audio_object_open(struct audio_object *object,

                  enum audio_object_format format,

                  uint32_t rate,

                  uint8_t channels);

void

audio_object_close(struct audio_object *object);

void

audio_object_destroy(struct audio_object *object);

int

audio_object_write(struct audio_object *object,

                   const void *data,

                   size_t bytes);

int

audio_object_drain(struct audio_object *object);

int

audio_object_flush(struct audio_object *object);

const char *

audio_object_strerror(struct audio_object *object,

                      int error);

struct audio_object *

create_audio_device_object(const char *device,

                           const char *application_name,

                           const char *description);

#ifdef __cplusplus

}

#endif

#endif