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/* HR (GSM 06.20) codec */
/*
* This file is part of gapk (GSM Audio Pocket Knife).
*
* gapk 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.
*
* gapk 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 gapk. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gapk/codecs.h>
#include "config.h"
#ifdef HAVE_LIBGSMHR
#include <gsmhr/gsmhr.h>
static void *
codec_hr_init(void)
{
return (void *)gsmhr_init();
}
static void
codec_hr_exit(void *_state)
{
struct gsmhr *state = _state;
gsmhr_exit(state);
}
static int
codec_hr_encode(void *_state, uint8_t *cod, const uint8_t *pcm)
{
struct gsmhr *state = _state;
return gsmhr_encode(state, (int16_t *)cod, (const int16_t *)pcm);
}
static int
codec_hr_decode(void *_state, uint8_t *pcm, const uint8_t *cod)
{
struct gsmhr *state = _state;
return gsmhr_decode(state, (int16_t *)pcm, (const int16_t *)cod);
}
#endif /* HAVE_LIBGSMHR */
const struct codec_desc codec_hr_desc = {
.type = CODEC_HR,
.name = "hr",
.description = "GSM 06.20 Half Rate codec",
.canon_frame_len = 14,
#ifdef HAVE_LIBGSMHR
.codec_enc_format_type = FMT_HR_REF_ENC,
.codec_dec_format_type = FMT_HR_REF_DEC,
.codec_init = codec_hr_init,
.codec_exit = codec_hr_exit,
.codec_encode = codec_hr_encode,
.codec_decode = codec_hr_decode,
#endif
};
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