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https://github.com/FFmpeg/FFmpeg.git
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ec1e4a8baf
1. add MaxMBPS checking for level idc setting to align with AVC spec AnnexA table A-1/A-6 level limits. 2. update h264 level fate test. Signed-off-by: Decai Lin <decai.lin@intel.com> Signed-off-by: Mark Thompson <sw@jkqxz.net>
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/*
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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_H264_LEVELS_H
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#define AVCODEC_H264_LEVELS_H
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#include <stdint.h>
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typedef struct H264LevelDescriptor {
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const char *name;
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uint8_t level_idc;
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uint8_t constraint_set3_flag;
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uint32_t max_mbps;
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uint32_t max_fs;
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uint32_t max_dpb_mbs;
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uint32_t max_br;
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uint32_t max_cpb;
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uint16_t max_v_mv_r;
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uint8_t min_cr;
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uint8_t max_mvs_per_2mb;
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} H264LevelDescriptor;
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const H264LevelDescriptor *ff_h264_get_level(int level_idc,
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int constraint_set3_flag);
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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 H264LevelDescriptor *ff_h264_guess_level(int profile_idc,
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int64_t bitrate,
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int framerate,
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int width, int height,
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int max_dec_frame_buffering);
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#endif /* AVCODEC_H264_LEVELS_H */
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