/* | |
* 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 | |
*/ | |
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); | |
} | |
} | |