h264_levels.h 1.8 KB

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  1. /*
  2. * This file is part of FFmpeg.
  3. *
  4. * FFmpeg is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU Lesser General Public
  6. * License as published by the Free Software Foundation; either
  7. * version 2.1 of the License, or (at your option) any later version.
  8. *
  9. * FFmpeg is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * Lesser General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU Lesser General Public
  15. * License along with FFmpeg; if not, write to the Free Software
  16. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17. */
  18. #ifndef AVCODEC_H264_LEVELS_H
  19. #define AVCODEC_H264_LEVELS_H
  20. #include <stdint.h>
  21. typedef struct H264LevelDescriptor {
  22. const char *name;
  23. uint8_t level_idc;
  24. uint8_t constraint_set3_flag;
  25. uint32_t max_mbps;
  26. uint32_t max_fs;
  27. uint32_t max_dpb_mbs;
  28. uint32_t max_br;
  29. uint32_t max_cpb;
  30. uint16_t max_v_mv_r;
  31. uint8_t min_cr;
  32. uint8_t max_mvs_per_2mb;
  33. } H264LevelDescriptor;
  34. const H264LevelDescriptor *ff_h264_get_level(int level_idc,
  35. int constraint_set3_flag);
  36. /**
  37. * Guess the level of a stream from some parameters.
  38. *
  39. * Unknown parameters may be zero, in which case they are ignored.
  40. */
  41. const H264LevelDescriptor *ff_h264_guess_level(int profile_idc,
  42. int64_t bitrate,
  43. int framerate,
  44. int width, int height,
  45. int max_dec_frame_buffering);
  46. #endif /* AVCODEC_H264_LEVELS_H */