48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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/*
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libltc - en+decode linear timecode
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Copyright (C) 2006-2012 Robin Gareus <robin@gareus.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library.
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If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ltc/ltc.h"
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#ifndef SAMPLE_CENTER // also defined in decoder.h
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#define SAMPLE_CENTER 128 // unsigned 8 bit.
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#endif
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struct LTCEncoder {
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double fps;
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double sample_rate;
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double filter_const;
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int flags;
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enum LTC_TV_STANDARD standard;
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ltcsnd_sample_t enc_lo, enc_hi;
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size_t offset;
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size_t bufsize;
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ltcsnd_sample_t *buf;
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char state;
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double samples_per_clock;
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double samples_per_clock_2;
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double sample_remainder;
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LTCFrame f;
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};
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int encode_byte(LTCEncoder *e, int byte, double speed);
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