/* * 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 */