From: Fei Wang <fei.w.w...@intel.com> Signed-off-by: Fei Wang <fei.w.w...@intel.com> --- update: 1. Rename libavcodec/av1_levels*. 2. Use array instead of handle for AV1LevelDescriptor.name. 3. Compile libavcodec/av1_levels* only when enable vaapi av1 encoder.
libavcodec/Makefile | 1 + libavcodec/av1_levels.c | 92 +++++++++++++++++++++++++ libavcodec/av1_levels.h | 58 ++++++++++++++++ libavcodec/tests/.gitignore | 1 + libavcodec/tests/av1_levels.c | 124 ++++++++++++++++++++++++++++++++++ tests/fate/libavcodec.mak | 5 ++ 6 files changed, 281 insertions(+) create mode 100644 libavcodec/av1_levels.c create mode 100644 libavcodec/av1_levels.h create mode 100644 libavcodec/tests/av1_levels.c diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 3c16b51462..a6b2ecbb22 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -1319,6 +1319,7 @@ TESTPROGS = avcodec \ jpeg2000dwt \ mathops \ +TESTPROGS-$(CONFIG_AV1_VAAPI_ENCODER) += av1_levels TESTPROGS-$(CONFIG_CABAC) += cabac TESTPROGS-$(CONFIG_DCT) += avfft TESTPROGS-$(CONFIG_FFT) += fft fft-fixed32 diff --git a/libavcodec/av1_levels.c b/libavcodec/av1_levels.c new file mode 100644 index 0000000000..19b6ee1736 --- /dev/null +++ b/libavcodec/av1_levels.c @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2023 Intel Corporation + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stddef.h> +#include "libavutil/macros.h" +#include "av1_levels.h" + +/** ignore entries which named in spec but no details. Like level 2.2 and 7.0. */ +static const AV1LevelDescriptor av1_levels[] = { + // Name MaxVSize MainMbps MaxTiles + // | level_idx | MaxDisplayRate | HighMbps | MaxTileCols + // | | MaxPicSize | | MaxDecodeRate | | MainCR | | + // | | | MaxHSize | | | MaxHeaderRate | | | HighCR| | + // | | | | | | | | | | | | | | + { "2.0", 0, 147456, 2048, 1152, 4423680, 5529600, 150, 1.5, 0, 2, 0, 8, 4 }, + { "2.1", 1, 278784, 2816, 1584, 8363520, 10454400, 150, 3.0, 0, 2, 0, 8, 4 }, + { "3.0", 4, 665856, 4352, 2448, 19975680, 24969600, 150, 6.0, 0, 2, 0, 16, 6 }, + { "3.1", 5, 1065024, 5504, 3096, 31950720, 39938400, 150, 10.0, 0, 2, 0, 16, 6 }, + { "4.0", 8, 2359296, 6144, 3456, 70778880, 77856768, 300, 12.0, 30.0, 4, 4, 32, 8 }, + { "4.1", 9, 2359296, 6144, 3456, 141557760, 155713536, 300, 20.0, 50.0, 4, 4, 32, 8 }, + { "5.0", 12, 8912896, 8192, 4352, 267386880, 273715200, 300, 30.0, 100.0, 6, 4, 64, 8 }, + { "5.1", 13, 8912896, 8192, 4352, 534773760, 547430400, 300, 40.0, 160.0, 8, 4, 64, 8 }, + { "5.2", 14, 8912896, 8192, 4352, 1069547520, 1094860800, 300, 60.0, 240.0, 8, 4, 64, 8 }, + { "5.3", 15, 8912896, 8192, 4352, 1069547520, 1176502272, 300, 60.0, 240.0, 8, 4, 64, 8 }, + { "6.0", 16, 35651584, 16384, 8704, 1069547520, 1176502272, 300, 60.0, 240.0, 8, 4, 128, 16 }, + { "6.1", 17, 35651584, 16384, 8704, 2139095040, 2189721600, 300, 100.0, 480.0, 8, 4, 128, 16 }, + { "6.2", 18, 35651584, 16384, 8704, 4278190080, 4379443200, 300, 160.0, 800.0, 8, 4, 128, 16 }, + { "6.3", 19, 35651584, 16384, 8704, 4278190080, 4706009088, 300, 160.0, 800.0, 8, 4, 128, 16 }, +}; + +const AV1LevelDescriptor *ff_av1_guess_level(int64_t bitrate, + int tier, + int width, + int height, + int tiles, + int tile_cols, + float fps) +{ + int pic_size; + uint64_t display_rate; + float max_br; + + pic_size = width * height; + display_rate = (uint64_t)pic_size * fps; + + for (int i = 0; i < FF_ARRAY_ELEMS(av1_levels); i++) { + const AV1LevelDescriptor *level = &av1_levels[i]; + // Limitation: decode rate, header rate, compress rate, etc. are not considered. + if (pic_size > level->max_pic_size) + continue; + if (width > level->max_h_size) + continue; + if (height > level->max_v_size) + continue; + if (display_rate > level->max_display_rate) + continue; + + if (tier) + max_br = level->high_mbps; + else + max_br = level->main_mbps; + if (!max_br) + continue; + if (bitrate > (int64_t)(1000000.0 * max_br)) + continue; + + if (tiles > level->max_tiles) + continue; + if (tile_cols > level->max_tile_cols) + continue; + return level; + } + + return NULL; +} diff --git a/libavcodec/av1_levels.h b/libavcodec/av1_levels.h new file mode 100644 index 0000000000..164cb876ba --- /dev/null +++ b/libavcodec/av1_levels.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2023 Intel Corporation + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_AV1_LEVELS_H +#define AVCODEC_AV1_LEVELS_H + +#include <stdint.h> + +typedef struct AV1LevelDescriptor { + char name[4]; + uint8_t level_idx; + + uint32_t max_pic_size; + uint32_t max_h_size; + uint32_t max_v_size; + uint64_t max_display_rate; + uint64_t max_decode_rate; + + uint32_t max_header_rate; + float main_mbps; + float high_mbps; + uint32_t main_cr; + uint32_t high_cr; + uint32_t max_tiles; + uint32_t max_tile_cols; +} AV1LevelDescriptor; + +/** + * Guess the level of a stream from some parameters. + * + * Unknown parameters may be zero, in which case they will be ignored. + */ +const AV1LevelDescriptor *ff_av1_guess_level(int64_t bitrate, + int tier, + int width, + int height, + int tile_rows, + int tile_cols, + float fps); + +#endif /* AVCODEC_AV1_LEVELS_H */ diff --git a/libavcodec/tests/.gitignore b/libavcodec/tests/.gitignore index 2acfc4e804..5e0ccc5838 100644 --- a/libavcodec/tests/.gitignore +++ b/libavcodec/tests/.gitignore @@ -1,3 +1,4 @@ +/av1_levels /avcodec /avfft /avpacket diff --git a/libavcodec/tests/av1_levels.c b/libavcodec/tests/av1_levels.c new file mode 100644 index 0000000000..738903b24b --- /dev/null +++ b/libavcodec/tests/av1_levels.c @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2023 Intel Corporation + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/common.h" +#include "libavcodec/av1_levels.h" + +static const struct { + int width; + int height; + float framerate; + int level_idx; +} test_sizes[] = { + { 426, 240, 30.0, 0 }, + { 640, 360, 30.0, 1 }, + { 854, 480, 30.0, 4 }, + { 1280, 720, 30.0, 5 }, + { 1920, 1080, 30.0, 8 }, + { 1920, 1080, 60.0, 9 }, + { 3840, 2160, 30.0, 12 }, + { 3840, 2160, 60.0, 13 }, + { 3840, 2160, 120.0, 14 }, + { 7680, 4320, 30.0, 16 }, + { 7680, 4320, 60.0, 17 }, + { 7680, 4320, 120.0, 18 }, +}; + +static const struct { + int64_t bitrate; + int tier; + int level_idx; +} test_bitrate[] = { + { 1500000, 0, 0 }, + { 3000000, 0, 1 }, + { 6000000, 0, 4 }, + { 10000000, 0, 5 }, + { 12000000, 0, 8 }, + { 30000000, 1, 8 }, + { 20000000, 0, 9 }, + { 50000000, 1, 9 }, + { 30000000, 0, 12 }, + { 100000000, 1, 12 }, + { 40000000, 0, 13 }, + { 160000000, 1, 13 }, + { 60000000, 0, 14 }, + { 240000000, 1, 14 }, + { 100000000, 0, 17 }, + { 480000000, 1, 17 }, + { 160000000, 0, 18 }, + { 800000000, 1, 18 }, +}; + +static const struct { + int tiles; + int tile_cols; + int level_idx; +} test_tiles[] = { + { 8, 4, 0 }, + { 16, 6, 4 }, + { 32, 8, 8 }, + { 64, 8, 12 }, + { 128, 16, 16 }, +}; + +int main(void) +{ + const AV1LevelDescriptor *level; + int i; + +#define CHECK(expected, format, ...) do { \ + if (level ? (level->level_idx != expected) \ + : !level) { \ + av_log(NULL, AV_LOG_ERROR, "Incorrect level for " \ + format ": expected %d, got %d.\n", __VA_ARGS__, \ + expected, level ? level->level_idx : -1); \ + return 1; \ + } \ + } while (0) + + for (i = 0; i < FF_ARRAY_ELEMS(test_sizes); i++) { + level = ff_av1_guess_level(0, 0, + test_sizes[i].width, + test_sizes[i].height, + 0, 0, test_sizes[i].framerate); + CHECK(test_sizes[i].level_idx, "size %dx%d, framerate %f", + test_sizes[i].width, test_sizes[i].height, test_sizes[i].framerate); + } + + for (i = 0; i < FF_ARRAY_ELEMS(test_bitrate); i++) { + level = ff_av1_guess_level(test_bitrate[i].bitrate, + test_bitrate[i].tier, + 0, 0, 0, 0, 0); + CHECK(test_bitrate[i].level_idx, "bitrate %"PRId64" tier %d", + test_bitrate[i].bitrate, test_bitrate[i].tier); + } + + for (i = 0; i < FF_ARRAY_ELEMS(test_tiles); i++) { + level = ff_av1_guess_level(0, 0, 0, 0, + test_tiles[i].tiles, + test_tiles[i].tile_cols, + 0); + CHECK(test_tiles[i].level_idx, "tiles %d, tile cols %d", + test_tiles[i].tiles, + test_tiles[i].tile_cols); + } + + return 0; +} diff --git a/tests/fate/libavcodec.mak b/tests/fate/libavcodec.mak index 8f56fae3a8..1a5694fa5f 100644 --- a/tests/fate/libavcodec.mak +++ b/tests/fate/libavcodec.mak @@ -1,3 +1,8 @@ +FATE_LIBAVCODEC-$(CONFIG_AV1_VAAPI_ENCODER) += fate-av1-levels +fate-av1-levels: libavcodec/tests/av1_levels$(EXESUF) +fate-av1-levels: CMD = run libavcodec/tests/av1_levels$(EXESUF) +fate-av1-levels: REF = /dev/null + FATE_LIBAVCODEC-yes += fate-avpacket fate-avpacket: libavcodec/tests/avpacket$(EXESUF) fate-avpacket: CMD = run libavcodec/tests/avpacket$(EXESUF) -- 2.25.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".