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59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* Copyright (c) 2023 Intel Corporation
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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_AV1_LEVELS_H
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#define AVCODEC_AV1_LEVELS_H
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#include <stdint.h>
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typedef struct AV1LevelDescriptor {
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char name[4];
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uint8_t level_idx;
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uint32_t max_pic_size;
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uint32_t max_h_size;
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uint32_t max_v_size;
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uint64_t max_display_rate;
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uint64_t max_decode_rate;
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uint32_t max_header_rate;
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float main_mbps;
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float high_mbps;
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uint32_t main_cr;
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uint32_t high_cr;
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uint32_t max_tiles;
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uint32_t max_tile_cols;
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} AV1LevelDescriptor;
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/**
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* Guess the level of a stream from some parameters.
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*
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* Unknown parameters may be zero, in which case they will be ignored.
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*/
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const AV1LevelDescriptor *ff_av1_guess_level(int64_t bitrate,
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int tier,
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int width,
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int height,
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int tile_rows,
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int tile_cols,
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float fps);
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#endif /* AVCODEC_AV1_LEVELS_H */
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