nest-open-source / manifest_repos / ffmpeg / 62cf23d89db2251203d6207e2261ddc5498167c6 / . / libavcodec / proresdata.c

/* | |

* Apple ProRes compatible decoder | |

* | |

* Copyright (c) 2010-2011 Maxim Poliakovski | |

* | |

* 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 "proresdata.h" | |

const uint8_t ff_prores_progressive_scan[64] = { | |

0, 1, 8, 9, 2, 3, 10, 11, | |

16, 17, 24, 25, 18, 19, 26, 27, | |

4, 5, 12, 20, 13, 6, 7, 14, | |

21, 28, 29, 22, 15, 23, 30, 31, | |

32, 33, 40, 48, 41, 34, 35, 42, | |

49, 56, 57, 50, 43, 36, 37, 44, | |

51, 58, 59, 52, 45, 38, 39, 46, | |

53, 60, 61, 54, 47, 55, 62, 63 | |

}; | |

const uint8_t ff_prores_interlaced_scan[64] = { | |

0, 8, 1, 9, 16, 24, 17, 25, | |

2, 10, 3, 11, 18, 26, 19, 27, | |

32, 40, 33, 34, 41, 48, 56, 49, | |

42, 35, 43, 50, 57, 58, 51, 59, | |

4, 12, 5, 6, 13, 20, 28, 21, | |

14, 7, 15, 22, 29, 36, 44, 37, | |

30, 23, 31, 38, 45, 52, 60, 53, | |

46, 39, 47, 54, 61, 62, 55, 63 | |

}; | |

const uint8_t ff_prores_dc_codebook[4] = { | |

0x04, // rice_order = 0, exp_golomb_order = 1, switch_bits = 0 | |

0x28, // rice_order = 1, exp_golomb_order = 2, switch_bits = 0 | |

0x4D, // rice_order = 2, exp_golomb_order = 3, switch_bits = 1 | |

0x70 // rice_order = 3, exp_golomb_order = 4, switch_bits = 0 | |

}; | |

const uint8_t ff_prores_ac_codebook[7] = { | |

0x04, // rice_order = 0, exp_golomb_order = 1, switch_bits = 0 | |

0x28, // rice_order = 1, exp_golomb_order = 2, switch_bits = 0 | |

0x4C, // rice_order = 2, exp_golomb_order = 3, switch_bits = 0 | |

0x05, // rice_order = 0, exp_golomb_order = 1, switch_bits = 1 | |

0x29, // rice_order = 1, exp_golomb_order = 2, switch_bits = 1 | |

0x06, // rice_order = 0, exp_golomb_order = 1, switch_bits = 2 | |

0x0A, // rice_order = 0, exp_golomb_order = 2, switch_bits = 2 | |

}; | |

/** | |

* Lookup tables for adaptive switching between codebooks | |

* according with previous run/level value. | |

*/ | |

const uint8_t ff_prores_run_to_cb_index[16] = | |

{ 5, 5, 3, 3, 0, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 2 }; | |

const uint8_t ff_prores_lev_to_cb_index[10] = { 0, 6, 3, 5, 0, 1, 1, 1, 1, 2 }; |