Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / msgsmdec.c
CommitLineData
2ba45a60
DM
1/*
2 * gsm 06.10 decoder, Microsoft variant
3 * Copyright (c) 2010 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#define BITSTREAM_READER_LE
23#include "avcodec.h"
24#include "msgsmdec.h"
25#include "gsm.h"
26#include "gsmdec_template.c"
27
28int ff_msgsm_decode_block(AVCodecContext *avctx, int16_t *samples,
29 const uint8_t *buf, int mode)
30{
31 int res;
32 GetBitContext gb;
33 init_get_bits(&gb, buf, GSM_MS_BLOCK_SIZE * 8);
34 res = gsm_decode_block(avctx, samples, &gb, mode);
35 if (res < 0)
36 return res;
37 return gsm_decode_block(avctx, samples + GSM_FRAME_SIZE, &gb, mode);
38}