mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 11:19:55 +00:00
73 lines
2.6 KiB
C
73 lines
2.6 KiB
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 };
|