91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
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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_H265_PROFILE_LEVEL_H
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#define AVCODEC_H265_PROFILE_LEVEL_H
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#include <stdint.h>
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#include "cbs_h265.h"
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typedef struct H265LevelDescriptor {
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const char *name;
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uint8_t level_idc;
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// Table A.6.
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uint32_t max_luma_ps;
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uint32_t max_cpb_main;
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uint32_t max_cpb_high;
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uint16_t max_slice_segments_per_picture;
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uint8_t max_tile_rows;
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uint8_t max_tile_cols;
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// Table A.7.
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uint32_t max_luma_sr;
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uint32_t max_br_main;
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uint32_t max_br_high;
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uint8_t min_cr_base_main;
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uint8_t min_cr_base_high;
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} H265LevelDescriptor;
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typedef struct H265ProfileDescriptor {
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const char *name;
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uint8_t profile_idc;
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uint8_t high_throughput;
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// Tables A.2, A.3 and A.5.
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uint8_t max_14bit;
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uint8_t max_12bit;
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uint8_t max_10bit;
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uint8_t max_8bit;
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uint8_t max_422chroma;
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uint8_t max_420chroma;
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uint8_t max_monochrome;
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uint8_t intra;
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uint8_t one_picture_only;
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uint8_t lower_bit_rate;
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// Table A.8.
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uint16_t cpb_vcl_factor;
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uint16_t cpb_nal_factor;
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float format_capability_factor;
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float min_cr_scale_factor;
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uint8_t max_dpb_pic_buf;
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} H265ProfileDescriptor;
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const H265LevelDescriptor *ff_h265_get_level(int level_idc);
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const H265ProfileDescriptor *ff_h265_get_profile(const H265RawProfileTierLevel *ptl);
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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 are ignored.
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*/
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const H265LevelDescriptor *ff_h265_guess_level(const H265RawProfileTierLevel *ptl,
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int64_t bitrate,
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int width, int height,
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int slice_segments,
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int tile_rows, int tile_cols,
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int max_dec_pic_buffering);
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#endif /* AVCODEC_H265_PROFILE_LEVEL_H */
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