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464d6ed98d
This way the encoder may pass on the following values to the muxer: 1) Additional root "tt" element attributes, such as the subtitle canvas reference size. 2) Anything before the body element of the document, such as regions in the head element, which can configure styles. Signed-off-by: Jan Ekström <jan.ekstrom@24i.com>
34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/*
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* TTML subtitle encoder shared functionality
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* Copyright (c) 2020 24i
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*
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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_TTMLENC_H
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#define AVCODEC_TTMLENC_H
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#define TTMLENC_EXTRADATA_SIGNATURE "lavc-ttmlenc"
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#define TTMLENC_EXTRADATA_SIGNATURE_SIZE (sizeof(TTMLENC_EXTRADATA_SIGNATURE) - 1)
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static const char ttml_default_namespacing[] =
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" xmlns=\"http://www.w3.org/ns/ttml\"\n"
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" xmlns:ttm=\"http://www.w3.org/ns/ttml#metadata\"\n"
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" xmlns:tts=\"http://www.w3.org/ns/ttml#styling\"\n";
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#endif /* AVCODEC_TTMLENC_H */
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