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55219a78c7
* commit '7ca3e5203f133eb41a0b5c3a1d753a7427ba72e7': Hap decoder and encoder Conflicts: Changelog configure doc/general.texi libavcodec/allcodecs.c libavcodec/version.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
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* Vidvox Hap
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* Copyright (C) 2015 Vittorio Giovara <vittorio.giovara@gmail.com>
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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_HAP_H
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#define AVCODEC_HAP_H
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#include <stdint.h>
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#include "libavutil/opt.h"
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#include "bytestream.h"
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#include "texturedsp.h"
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typedef struct HapContext {
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AVClass *class;
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TextureDSPContext dxtc;
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GetByteContext gbc;
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PutByteContext pbc;
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int section_type; /* Header type */
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int tex_rat; /* Compression ratio */
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const uint8_t *tex_data; /* Compressed texture */
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uint8_t *tex_buf; /* Uncompressed texture */
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size_t tex_size; /* Size of the compressed texture */
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uint8_t *snappied; /* Buffer interacting with snappy */
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size_t max_snappy; /* Maximum compressed size for snappy buffer */
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/* Pointer to the selected compress or decompress function */
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int (*tex_fun)(uint8_t *dst, ptrdiff_t stride, const uint8_t *block);
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} HapContext;
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enum {
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HAP_FMT_RGBDXT1 = 0x0B,
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HAP_FMT_RGBADXT5 = 0x0E,
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HAP_FMT_YCOCGDXT5 = 0x0F,
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};
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enum {
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HAP_COMP_NONE = 0xA0,
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HAP_COMP_SNAPPY = 0xB0,
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HAP_COMP_COMPLEX = 0xC0,
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};
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#endif /* AVCODEC_HAP_H */
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