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Diffstat (limited to 'libavcodec/h265_profile_level.h')
-rw-r--r-- | libavcodec/h265_profile_level.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/libavcodec/h265_profile_level.h b/libavcodec/h265_profile_level.h new file mode 100644 index 0000000..12c00f0 --- /dev/null +++ b/libavcodec/h265_profile_level.h @@ -0,0 +1,89 @@ +/* + * 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_H265_PROFILE_LEVEL_H +#define AVCODEC_H265_PROFILE_LEVEL_H + +#include <stdint.h> + +#include "cbs_h265.h" + + +typedef struct H265LevelDescriptor { + const char *name; + uint8_t level_idc; + + // Table A.6. + uint32_t max_luma_ps; + uint32_t max_cpb_main; + uint32_t max_cpb_high; + uint16_t max_slice_segments_per_picture; + uint8_t max_tile_rows; + uint8_t max_tile_cols; + + // Table A.7. + uint32_t max_luma_sr; + uint32_t max_br_main; + uint32_t max_br_high; + uint8_t min_cr_base_main; + uint8_t min_cr_base_high; +} H265LevelDescriptor; + +typedef struct H265ProfileDescriptor { + const char *name; + uint8_t profile_idc; + uint8_t high_throughput; + + // Tables A.2, A.3 and A.5. + uint8_t max_14bit; + uint8_t max_12bit; + uint8_t max_10bit; + uint8_t max_8bit; + uint8_t max_422chroma; + uint8_t max_420chroma; + uint8_t max_monochrome; + uint8_t intra; + uint8_t one_picture_only; + uint8_t lower_bit_rate; + + // Table A.8. + uint16_t cpb_vcl_factor; + uint16_t cpb_nal_factor; + float format_capability_factor; + float min_cr_scale_factor; +} H265ProfileDescriptor; + + +const H265LevelDescriptor *ff_h265_get_level(int level_idc); + +const H265ProfileDescriptor *ff_h265_get_profile(const H265RawProfileTierLevel *ptl); + + +/** + * Guess the level of a stream from some parameters. + * + * Unknown parameters may be zero, in which case they are ignored. + */ +const H265LevelDescriptor *ff_h265_guess_level(const H265RawProfileTierLevel *ptl, + int64_t bitrate, + int width, int height, + int slice_segments, + int tile_rows, int tile_cols, + int max_dec_pic_buffering); + +#endif /* AVCODEC_H265_PROFILE_LEVEL_H */ |