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298 lines
10 KiB
C
298 lines
10 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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#include "libavutil/common.h"
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#include "libavcodec/h265_profile_level.h"
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static const struct {
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int width;
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int height;
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int level_idc;
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} test_sizes[] = {
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// First level usable at standard sizes, from H.265 table A.9.
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{ 176, 144, 30 }, // QCIF
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{ 352, 288, 60 }, // CIF
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{ 640, 480, 90 }, // VGA
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{ 720, 480, 90 }, // NTSC
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{ 720, 576, 90 }, // PAL
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{ 1024, 768, 93 }, // XGA
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{ 1280, 720, 93 }, // 720p
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{ 1280, 1024, 120 }, // SXGA
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{ 1920, 1080, 120 }, // 1080p
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{ 2048, 1080, 120 }, // 2Kx1080
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{ 2048, 1536, 150 }, // 4XGA
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{ 3840, 2160, 150 }, // 4K
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{ 7680, 4320, 180 }, // 8K
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// Overly wide or tall sizes.
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{ 1, 512, 30 },
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{ 1, 1024, 63 },
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{ 1, 2048, 90 },
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{ 1, 4096, 120 },
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{ 1, 8192, 150 },
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{ 1, 16384, 180 },
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{ 1, 32768, 0 },
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{ 512, 1, 30 },
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{ 1024, 1, 63 },
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{ 2048, 1, 90 },
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{ 4096, 1, 120 },
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{ 8192, 1, 150 },
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{ 16384, 1, 180 },
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{ 32768, 1, 0 },
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{ 2800, 256, 93 },
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{ 2816, 128, 120 },
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{ 256, 4208, 120 },
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{ 128, 4224, 150 },
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{ 8432, 256, 150 },
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{ 8448, 128, 180 },
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{ 256, 16880, 180 },
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{ 128, 16896, 0 },
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};
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static const struct {
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int width;
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int height;
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int dpb_size;
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int level_idc;
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} test_dpb[] = {
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// First level usable for some DPB sizes.
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// L1: 176 * 144 = 25344 <= 36864 * 3/4 = 27648
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// L2: <= 122880 * 1/4 = 30720
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{ 176, 144, 8, 30 },
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{ 176, 144, 9, 60 },
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// L2: 352 * 288 = 101376 <= 122880
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// L2.1: <= 245760 * 1/2 = 122880
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// L3: <= 552960 * 1/4 = 138240
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{ 352, 288, 6, 60 },
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{ 352, 288, 7, 63 },
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{ 352, 288, 13, 90 },
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// L3.1: 1280 * 720 = 921600 <= 983040
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// L4: <= 2228224 * 1/2 = 1114112
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// L5: <= 8912896 * 1/4 = 2228224
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{ 1280, 720, 6, 93 },
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{ 1280, 720, 12, 120 },
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{ 1280, 720, 16, 150 },
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// L5: 3840 * 2160 = 8294400 <= 8912896
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// L6: <= 35651584 * 1/4 = 8912896
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{ 3840, 2160, 6, 150 },
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{ 3840, 2160, 7, 180 },
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{ 3840, 2160, 16, 180 },
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};
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static const H265RawProfileTierLevel profile_main = {
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// CpbNalFactor = 1100
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.general_profile_space = 0,
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.general_profile_idc = 1,
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.general_tier_flag = 0,
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.general_profile_compatibility_flag[1] = 1,
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};
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static const H265RawProfileTierLevel profile_main_12 = {
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// CpbNalFactor = 1650
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.general_profile_space = 0,
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.general_profile_idc = 4,
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.general_tier_flag = 0,
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.general_profile_compatibility_flag[4] = 1,
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.general_max_12bit_constraint_flag = 1,
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.general_max_10bit_constraint_flag = 0,
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.general_max_8bit_constraint_flag = 0,
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.general_max_422chroma_constraint_flag = 1,
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.general_max_420chroma_constraint_flag = 1,
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.general_max_monochrome_constraint_flag = 0,
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.general_intra_constraint_flag = 0,
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.general_one_picture_only_constraint_flag = 0,
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.general_lower_bit_rate_constraint_flag = 1,
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};
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static const H265RawProfileTierLevel profile_main_422_12_intra = {
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// CpbNalFactor = 2200
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.general_profile_space = 0,
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.general_profile_idc = 4,
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.general_tier_flag = 0,
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.general_profile_compatibility_flag[4] = 1,
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.general_max_12bit_constraint_flag = 1,
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.general_max_10bit_constraint_flag = 0,
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.general_max_8bit_constraint_flag = 0,
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.general_max_422chroma_constraint_flag = 1,
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.general_max_420chroma_constraint_flag = 0,
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.general_max_monochrome_constraint_flag = 0,
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.general_intra_constraint_flag = 1,
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.general_one_picture_only_constraint_flag = 0,
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};
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static const H265RawProfileTierLevel profile_ht_444_14 = {
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// CpbNalFactor = 3850
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.general_profile_space = 0,
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.general_profile_idc = 5,
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.general_tier_flag = 0,
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.general_profile_compatibility_flag[5] = 1,
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.general_max_14bit_constraint_flag = 1,
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.general_max_12bit_constraint_flag = 0,
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.general_max_10bit_constraint_flag = 0,
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.general_max_8bit_constraint_flag = 0,
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.general_max_422chroma_constraint_flag = 0,
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.general_max_420chroma_constraint_flag = 0,
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.general_max_monochrome_constraint_flag = 0,
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.general_intra_constraint_flag = 0,
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.general_one_picture_only_constraint_flag = 0,
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.general_lower_bit_rate_constraint_flag = 1,
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};
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static const H265RawProfileTierLevel profile_main_high_tier = {
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// CpbNalFactor = 1100
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.general_profile_space = 0,
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.general_profile_idc = 1,
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.general_tier_flag = 1,
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.general_profile_compatibility_flag[1] = 1,
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};
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static const struct {
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int64_t bitrate;
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const H265RawProfileTierLevel *ptl;
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int level_idc;
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} test_bitrate[] = {
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// First level usable for some bitrates and profiles.
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// L2.1: 3000 * 1100 = 3300000
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// L3: 6000 * 1100 = 6600000
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{ 4000000, &profile_main, 90 },
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// L2: 1500 * 1650 = 2475000
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// L2.1: 3000 * 1650 = 4950000
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{ 4000000, &profile_main_12, 63 },
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// L1: 350 * 2200 * 2 = 1540000
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// L2: 1500 * 2200 * 2 = 6600000
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{ 4000000, &profile_main_422_12_intra, 60 },
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// L5.1: 40000 * 1100 = 44000000
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// L5.2: 60000 * 1100 = 66000000
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{ 50000000, &profile_main, 156 },
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// L5: 25000 * 1650 = 41250000
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// L5.1: 40000 * 1650 = 66000000
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{ 50000000, &profile_main_12, 153 },
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// L3.1: 10000 * 2200 * 2 = 44000000
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// L4: 12000 * 2200 * 2 = 52800000
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{ 50000000, &profile_main_422_12_intra, 120 },
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// L2: 1500 * 3850 * 6 = 34650000
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// L2.1: 3000 * 3850 * 6 = 69300000
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{ 50000000, &profile_ht_444_14, 63 },
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// Level changes based on tier.
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{ 1000, &profile_main, 30 },
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{ 1000, &profile_main_high_tier, 120 },
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{ 40000000, &profile_main, 153 },
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{ 40000000, &profile_main_high_tier, 123 },
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{ 200000000, &profile_main, 186 },
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{ 200000000, &profile_main_high_tier, 156 },
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// Overflowing 32-bit integers.
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// L6: 60000 * 3850 * 6 = 1386000000
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// L6.1: 120000 * 3850 * 6 = 2772000000
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// L6.2: 240000 * 3850 * 6 = 5544000000
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{ INT64_C(2700000000), &profile_ht_444_14, 183 },
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{ INT64_C(4200000000), &profile_ht_444_14, 186 },
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{ INT64_C(5600000000), &profile_ht_444_14, 0 },
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};
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static const struct {
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int slice_segments;
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int tile_rows;
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int tile_cols;
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int level_idc;
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} test_fragments[] = {
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// Slices.
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{ 4, 1, 1, 30 },
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{ 32, 1, 1, 93 },
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{ 70, 1, 1, 120 },
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{ 80, 1, 1, 150 },
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{ 201, 1, 1, 180 },
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{ 600, 1, 1, 180 },
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{ 601, 1, 1, 0 },
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// Tiles.
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{ 1, 2, 1, 90 },
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{ 1, 1, 2, 90 },
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{ 1, 3, 3, 93 },
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{ 1, 4, 2, 120 },
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{ 1, 2, 4, 120 },
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{ 1, 11, 10, 150 },
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{ 1, 10, 11, 180 },
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{ 1, 22, 20, 180 },
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{ 1, 20, 22, 0 },
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};
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int main(void)
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{
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const H265ProfileDescriptor *profile;
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const H265LevelDescriptor *level;
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int i;
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#define CHECK(expected, format, ...) do { \
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if (expected ? (!level || level->level_idc != expected) \
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: !!level) { \
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av_log(NULL, AV_LOG_ERROR, "Incorrect level for " \
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format ": expected %d, got %d.\n", __VA_ARGS__, \
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expected, level ? level->level_idc : -1); \
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return 1; \
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} \
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} while (0)
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for (i = 0; i < FF_ARRAY_ELEMS(test_sizes); i++) {
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level = ff_h265_guess_level(&profile_main, 0,
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test_sizes[i].width,
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test_sizes[i].height,
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0, 0, 0, 0);
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CHECK(test_sizes[i].level_idc, "size %dx%d",
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test_sizes[i].width, test_sizes[i].height);
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}
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for (i = 0; i < FF_ARRAY_ELEMS(test_dpb); i++) {
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level = ff_h265_guess_level(&profile_main, 0,
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test_dpb[i].width,
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test_dpb[i].height,
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0, 0, 0, test_dpb[i].dpb_size);
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CHECK(test_dpb[i].level_idc, "size %dx%d dpb %d",
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test_dpb[i].width, test_dpb[i].height,
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test_dpb[i].dpb_size);
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}
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for (i = 0; i < FF_ARRAY_ELEMS(test_bitrate); i++) {
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profile = ff_h265_get_profile(test_bitrate[i].ptl);
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level = ff_h265_guess_level(test_bitrate[i].ptl,
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test_bitrate[i].bitrate,
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0, 0, 0, 0, 0, 0);
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CHECK(test_bitrate[i].level_idc, "bitrate %"PRId64" profile %s",
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test_bitrate[i].bitrate, profile->name);
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}
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for (i = 0; i < FF_ARRAY_ELEMS(test_fragments); i++) {
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level = ff_h265_guess_level(&profile_main, 0, 0, 0,
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test_fragments[i].slice_segments,
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test_fragments[i].tile_rows,
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test_fragments[i].tile_cols, 0);
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CHECK(test_fragments[i].level_idc, "%d slices %dx%d tiles",
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test_fragments[i].slice_segments,
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test_fragments[i].tile_cols, test_fragments[i].tile_rows);
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}
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return 0;
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}
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