FFmpeg/libavcodec/gsm.h
Kostya Shishkov a16577d985 MSN Audio support
This is essentially a MS GSM decoder extension that supports more
sampling rates and lower bitrates.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
2013-11-26 08:31:10 +01:00

46 lines
1.2 KiB
C

/*
* GSM common header
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_GSM_H
#define AVCODEC_GSM_H
/* bytes per block */
#define GSM_BLOCK_SIZE 33
#define GSM_MS_BLOCK_SIZE 65
#define MSN_MIN_BLOCK_SIZE 41
/* samples per block */
#define GSM_FRAME_SIZE 160
enum GSMModes {
GSM_13000 = 0,
MSN_12400,
MSN_11800,
MSN_11200,
MSN_10600,
MSN_10000,
MSN_9400,
MSN_8800,
MSN_8200,
NUM_GSM_MODES
};
#endif /* AVCODEC_GSM_H */