| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg 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. |
| * |
| * FFmpeg 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 FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef AVCODEC_DVAUDIO_H |
| #define AVCODEC_DVAUDIO_H |
| |
| #include <stdint.h> |
| |
| static inline int dv_get_audio_sample_count(const uint8_t *buffer, int dsf) |
| { |
| int samples = buffer[0] & 0x3f; /* samples in this frame - min samples */ |
| |
| switch ((buffer[3] >> 3) & 0x07) { |
| case 0: |
| return samples + (dsf ? 1896 : 1580); |
| case 1: |
| return samples + (dsf ? 1742 : 1452); |
| case 2: |
| default: |
| return samples + (dsf ? 1264 : 1053); |
| } |
| } |
| |
| #endif /* AVCODEC_DVAUDIO_H */ |
