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Diffstat (limited to 'libavcodec/h264_levels.h')
-rw-r--r-- | libavcodec/h264_levels.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libavcodec/h264_levels.h b/libavcodec/h264_levels.h new file mode 100644 index 0000000..4189fc6 --- /dev/null +++ b/libavcodec/h264_levels.h @@ -0,0 +1,53 @@ +/* + * 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_H264_LEVELS_H +#define AVCODEC_H264_LEVELS_H + + +#include <stdint.h> + +typedef struct H264LevelDescriptor { + const char *name; + uint8_t level_idc; + uint8_t constraint_set3_flag; + uint32_t max_mbps; + uint32_t max_fs; + uint32_t max_dpb_mbs; + uint32_t max_br; + uint32_t max_cpb; + uint16_t max_v_mv_r; + uint8_t min_cr; + uint8_t max_mvs_per_2mb; +} H264LevelDescriptor; + +const H264LevelDescriptor *ff_h264_get_level(int level_idc, + int constraint_set3_flag); + +/** + * Guess the level of a stream from some parameters. + * + * Unknown parameters may be zero, in which case they are ignored. + */ +const H264LevelDescriptor *ff_h264_guess_level(int profile_idc, + int64_t bitrate, + int width, int height, + int max_dec_frame_buffering); + + +#endif /* AVCODEC_H264_LEVELS_H */ |