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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 | ||
28 | int 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 | } |