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39 lines
1.2 KiB
39 lines
1.2 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_DVAUDIO_H |
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#define AVCODEC_DVAUDIO_H |
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#include <stdint.h> |
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static inline int dv_get_audio_sample_count(const uint8_t *buffer, int dsf) |
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{ |
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int samples = buffer[0] & 0x3f; /* samples in this frame - min samples */ |
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switch ((buffer[3] >> 3) & 0x07) { |
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case 0: |
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return samples + (dsf ? 1896 : 1580); |
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case 1: |
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return samples + (dsf ? 1742 : 1452); |
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case 2: |
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default: |
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return samples + (dsf ? 1264 : 1053); |
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} |
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} |
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#endif /* AVCODEC_DVAUDIO_H */
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