| 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 | } |