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Diffstat (limited to '')
| -rw-r--r-- | lib/libucsi/atsc/atsc_text.c | 743 |
1 files changed, 743 insertions, 0 deletions
diff --git a/lib/libucsi/atsc/atsc_text.c b/lib/libucsi/atsc/atsc_text.c new file mode 100644 index 0000000..d79c83f --- /dev/null +++ b/lib/libucsi/atsc/atsc_text.c @@ -0,0 +1,743 @@ +/* +* section and descriptor parser +* +* Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net) +* +* This library 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. +* +* This library 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 this library; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA +*/ + +#include <stdint.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include "libucsi/endianops.h" +#include "libucsi/atsc/types.h" + +#define HUFFTREE_LITERAL_MASK 0x80 +#define HUFFSTRING_END 0x00 +#define HUFFSTRING_ESCAPE 0x1b + +#define DEST_ALLOC_DELTA 20 + +struct hufftree_entry { + uint8_t left_idx; + uint8_t right_idx; +} __ucsi_packed; + +struct huffbuff { + uint8_t *buf; + uint32_t buf_len; + + uint32_t cur_byte; + uint8_t cur_bit; +}; + + +static struct hufftree_entry program_description_hufftree[][128] = { + { {0x14, 0x15}, {0x9b, 0xd6}, {0xc9, 0xcf}, {0xd7, 0xc7}, {0x01, 0xa2}, + {0xce, 0xcb}, {0x02, 0x03}, {0xc5, 0xcc}, {0xc6, 0xc8}, {0x04, 0xc4}, + {0x05, 0xc2}, {0x06, 0xc3}, {0xd2, 0x07}, {0xd3, 0x08}, {0xca, 0xd4}, + {0x09, 0xcd}, {0xd0, 0x0a}, {0xc1, 0x0b}, {0x0c, 0x0d}, {0x0e, 0x0f}, + {0x10, 0x11}, {0x12, 0x13}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x38, 0x39}, {0xad, 0xaf}, {0xb7, 0xda}, {0xa8, 0xb3}, {0xb5, 0x01}, + {0x02, 0x9b}, {0xb4, 0xf1}, {0xa2, 0xd5}, {0xd6, 0xd9}, {0x03, 0x04}, + {0x05, 0xcf}, {0x06, 0xc9}, {0xf9, 0xea}, {0xeb, 0xf5}, {0xf6, 0x07}, + {0x08, 0x09}, {0xb2, 0xc5}, {0xc6, 0xb1}, {0x0a, 0xee}, {0xcb, 0x0b}, + {0xd4, 0x0c}, {0xc4, 0xc8}, {0xd2, 0x0d}, {0x0e, 0x0f}, {0xc7, 0xca}, + {0xce, 0xd0}, {0xd7, 0x10}, {0xc2, 0x11}, {0xcc, 0xec}, {0xe5, 0xe7}, + {0x12, 0xcd}, {0x13, 0x14}, {0xc3, 0x15}, {0x16, 0x17}, {0xed, 0x18}, + {0x19, 0xf2}, {0x1a, 0xd3}, {0x1b, 0x1c}, {0xe4, 0x1d}, {0xc1, 0xe3}, + {0x1e, 0xe9}, {0xf0, 0xe2}, {0xf7, 0x1f}, {0xf3, 0xe6}, {0x20, 0x21}, + {0x22, 0xe8}, {0xef, 0x23}, {0x24, 0x25}, {0x26, 0x27}, {0x28, 0x29}, + {0x2a, 0xf4}, {0x2b, 0x2c}, {0x2d, 0x2e}, {0x2f, 0xe1}, {0x30, 0x31}, + {0x32, 0x33}, {0x34, 0x35}, {0x36, 0x37}, }, + { {0x9b, 0x9b}, }, + { {0x03, 0x04}, {0x80, 0xae}, {0xc8, 0xd4}, {0x01, 0x02}, {0x9b, 0xa0}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x02, 0xf3}, {0xa0, 0xf4}, {0x9b, 0x01}, }, + { {0x9b, 0x9b}, }, + { {0xac, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x01, 0xa0}, {0x9b, 0xa2}, }, + { {0x07, 0x08}, {0xe2, 0xe4}, {0xe5, 0xe6}, {0xa0, 0xf2}, {0xe1, 0x01}, + {0x02, 0xf3}, {0xe3, 0x03}, {0x04, 0x05}, {0x9b, 0x06}, }, + { {0x04, 0x80}, {0xca, 0xd3}, {0xa2, 0x01}, {0x9b, 0x02}, {0x03, 0xa0}, }, + { {0x9b, 0xa0}, }, + { {0x03, 0x04}, {0x9b, 0xb7}, {0xf4, 0xa0}, {0xb0, 0xf3}, {0x01, 0x02}, }, + { {0xb9, 0x02}, {0xb8, 0x9b}, {0xa0, 0x01}, }, + { {0xae, 0x02}, {0xb6, 0x9b}, {0x01, 0xa0}, }, + { {0xa0, 0x01}, {0x9b, 0xb0}, }, + { {0xae, 0x01}, {0x9b, 0xa0}, }, + { {0xae, 0x01}, {0xa0, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x01}, {0xac, 0xae}, }, + { {0x9b, 0x9b}, }, + { {0x02, 0x03}, {0x9b, 0xa0}, {0xb5, 0xb6}, {0xb8, 0x01}, }, + { {0x9b, 0xa0}, }, + { {0x9b, 0xa0}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0xa0}, }, + { {0x9b, 0x9b}, }, + { {0x08, 0x09}, {0xe6, 0xf5}, {0xf3, 0xf4}, {0x9b, 0xe4}, {0x01, 0xed}, + {0x02, 0x03}, {0x04, 0xf2}, {0x05, 0x06}, {0xec, 0xee}, {0x07, 0xa0}, }, + { {0x05, 0x06}, {0x9b, 0xec}, {0xf5, 0x01}, {0x02, 0xe1}, {0xef, 0xe5}, + {0xe9, 0xf2}, {0x03, 0x04}, }, + { {0x06, 0x07}, {0x9b, 0xe9}, {0xf9, 0xf2}, {0xf5, 0x01}, {0x02, 0x03}, + {0xec, 0xef}, {0xe1, 0x04}, {0xe8, 0x05}, }, + { {0x05, 0x06}, {0xf9, 0xf2}, {0xf5, 0x9b}, {0xe5, 0xef}, {0x01, 0x02}, + {0xe9, 0xe1}, {0x03, 0x04}, }, + { {0x06, 0x07}, {0xe1, 0xe9}, {0xee, 0xf6}, {0xe4, 0xec}, {0xf3, 0x01}, + {0x02, 0xf2}, {0x03, 0x04}, {0x9b, 0x05}, }, + { {0x02, 0x03}, {0xe5, 0xec}, {0x9b, 0xef}, {0x01, 0xf2}, }, + { {0x05, 0x06}, {0xf5, 0xef}, {0x9b, 0xec}, {0xe9, 0x01}, {0xe1, 0xf2}, + {0x02, 0xe5}, {0x03, 0x04}, }, + { {0x03, 0x04}, {0x9b, 0xe5}, {0xe9, 0xf5}, {0xe1, 0x01}, {0xef, 0x02}, }, + { {0x04, 0x05}, {0xa0, 0xc9}, {0xf3, 0x9b}, {0xae, 0xf2}, {0x01, 0x02}, + {0x03, 0xee}, }, + { {0xef, 0x05}, {0x9b, 0xae}, {0xe9, 0xe5}, {0x01, 0xf5}, {0x02, 0xe1}, + {0x03, 0x04}, }, + { {0xe5, 0x03}, {0xe1, 0xe9}, {0xf2, 0x9b}, {0x01, 0x02}, }, + { {0x03, 0x04}, {0x9b, 0xe9}, {0xf5, 0x01}, {0xe5, 0x02}, {0xef, 0xe1}, }, + { {0xe1, 0x05}, {0x9b, 0xe3}, {0xef, 0x01}, {0xf5, 0xe5}, {0x02, 0x03}, + {0xe9, 0x04}, }, + { {0xe5, 0x03}, {0x9b, 0xe9}, {0x01, 0xe1}, {0xef, 0x02}, }, + { {0x03, 0x04}, {0xa7, 0xee}, {0xec, 0xf2}, {0xf3, 0x01}, {0x9b, 0x02}, }, + { {0xe1, 0x06}, {0x9b, 0xe8}, {0xe9, 0x01}, {0xf2, 0xec}, {0x02, 0xef}, + {0x03, 0xe5}, {0x04, 0x05}, }, + { {0x9b, 0x9b}, }, + { {0x03, 0x04}, {0x9b, 0xae}, {0x01, 0xe9}, {0x02, 0xe1}, {0xe5, 0xef}, }, + { {0x09, 0x0a}, {0xf6, 0xf9}, {0x01, 0xae}, {0xe3, 0xe9}, {0xf5, 0x9b}, + {0xe5, 0xef}, {0x02, 0x03}, {0xe1, 0x04}, {0xe8, 0x05}, {0x06, 0xf4}, + {0x07, 0x08}, }, + { {0xe8, 0x07}, {0xe5, 0xf7}, {0xd6, 0xe1}, {0x9b, 0xe9}, {0xf2, 0x01}, + {0x02, 0x03}, {0x04, 0xef}, {0x05, 0x06}, }, + { {0xae, 0x01}, {0x9b, 0xee}, }, + { {0xe9, 0x02}, {0xe5, 0x9b}, {0xa0, 0x01}, }, + { {0x03, 0x04}, {0x9b, 0xe8}, {0xe5, 0xe1}, {0xef, 0x01}, {0xe9, 0x02}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0xef}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x18, 0x19}, {0xe8, 0xef}, {0xf8, 0x9b}, {0xa7, 0xf7}, {0xfa, 0x01}, + {0x02, 0x03}, {0x04, 0xe5}, {0xae, 0x05}, {0xe6, 0xe2}, {0x06, 0xf6}, + {0xeb, 0xf5}, {0xe9, 0x07}, {0xf0, 0xf9}, {0xe7, 0x08}, {0x09, 0xe4}, + {0x0a, 0xe3}, {0x0b, 0xed}, {0x0c, 0xf3}, {0x0d, 0x0e}, {0x0f, 0xec}, + {0x10, 0xf4}, {0x11, 0x12}, {0xf2, 0xa0}, {0x13, 0x14}, {0x15, 0xee}, + {0x16, 0x17}, }, + { {0x0b, 0x0c}, {0xe4, 0xf3}, {0x9b, 0xae}, {0xe2, 0x01}, {0x02, 0x03}, + {0xec, 0xa0}, {0x04, 0xe9}, {0xf2, 0xf5}, {0x05, 0xf9}, {0xe1, 0x06}, + {0xef, 0x07}, {0xe5, 0x08}, {0x09, 0x0a}, }, + { {0x0f, 0x10}, {0xf1, 0xae}, {0xc4, 0xf9}, {0xac, 0x01}, {0xe3, 0x02}, + {0x9b, 0xf2}, {0x03, 0x04}, {0xa0, 0xec}, {0xf5, 0x05}, {0x06, 0xe9}, + {0x07, 0xeb}, {0x08, 0xf4}, {0x09, 0xe5}, {0x0a, 0xef}, {0xe1, 0xe8}, + {0x0b, 0x0c}, {0x0d, 0x0e}, }, + { {0x13, 0x14}, {0xa7, 0xbb}, {0xe6, 0xed}, {0xf7, 0xe7}, {0xf6, 0x01}, + {0x02, 0x9b}, {0xee, 0x03}, {0x04, 0xec}, {0x05, 0xf5}, {0x06, 0xac}, + {0xe4, 0xf9}, {0xf2, 0x07}, {0x08, 0x09}, {0xae, 0x0a}, {0xef, 0x0b}, + {0xe1, 0xf3}, {0x0c, 0xe9}, {0x0d, 0x0e}, {0x0f, 0x10}, {0xe5, 0x11}, + {0x12, 0xa0}, }, + { {0x1d, 0x1e}, {0xa9, 0xe8}, {0xf5, 0x9b}, {0x01, 0xad}, {0xbb, 0xeb}, + {0xfa, 0x02}, {0xa7, 0xe6}, {0xe2, 0xe7}, {0x03, 0x04}, {0x05, 0x06}, + {0xe9, 0xf8}, {0x07, 0xac}, {0xef, 0xf0}, {0x08, 0xed}, {0xf6, 0xf9}, + {0x09, 0xf7}, {0x0a, 0x0b}, {0xae, 0x0c}, {0xe3, 0x0d}, {0xe5, 0xf4}, + {0x0e, 0x0f}, {0xe4, 0x10}, {0xec, 0x11}, {0xe1, 0x12}, {0x13, 0x14}, + {0x15, 0x16}, {0xee, 0xf3}, {0x17, 0x18}, {0xf2, 0xa0}, {0x19, 0x1a}, + {0x1b, 0x1c}, }, + { {0x09, 0x0a}, {0xae, 0x9b}, {0xec, 0x01}, {0xf5, 0x02}, {0xf4, 0xe6}, + {0x03, 0xe1}, {0xe5, 0xe9}, {0x04, 0xf2}, {0xef, 0x05}, {0x06, 0x07}, + {0xa0, 0x08}, }, + { {0x0e, 0x0f}, {0xad, 0xe7}, {0x9b, 0xa7}, {0xf9, 0x01}, {0xec, 0x02}, + {0xac, 0xf2}, {0x03, 0xae}, {0xf3, 0xf5}, {0x04, 0x05}, {0xef, 0x06}, + {0x07, 0xe9}, {0xe1, 0x08}, {0x09, 0xe8}, {0x0a, 0x0b}, {0xe5, 0x0c}, + {0xa0, 0x0d}, }, + { {0x0d, 0x0e}, {0xa7, 0xac}, {0xf3, 0xad}, {0x01, 0x02}, {0x9b, 0xf9}, + {0xf5, 0xae}, {0x03, 0xee}, {0x04, 0xf2}, {0x05, 0x06}, {0xf4, 0x07}, + {0x08, 0x09}, {0xef, 0xe1}, {0xa0, 0x0a}, {0xe9, 0x0b}, {0x0c, 0xe5}, }, + { {0x14, 0x15}, {0xac, 0xe2}, {0xf8, 0x9b}, {0xae, 0xfa}, {0x01, 0xeb}, + {0x02, 0xa0}, {0x03, 0x04}, {0xf0, 0x05}, {0x06, 0xe6}, {0xf6, 0x07}, + {0xe4, 0xed}, {0xe7, 0x08}, {0xe1, 0xef}, {0xf2, 0x09}, {0x0a, 0x0b}, + {0xec, 0x0c}, {0xe5, 0xe3}, {0x0d, 0xf4}, {0x0e, 0xf3}, {0x0f, 0x10}, + {0x11, 0xee}, {0x12, 0x13}, }, + { {0x03, 0xef}, {0x9b, 0xe1}, {0xe5, 0xf5}, {0x01, 0x02}, }, + { {0x08, 0x09}, {0xec, 0xf9}, {0xa7, 0xee}, {0x01, 0xac}, {0x9b, 0xae}, + {0x02, 0x03}, {0x04, 0xf3}, {0x05, 0xe9}, {0x06, 0xa0}, {0x07, 0xe5}, }, + { {0x16, 0x17}, {0xa7, 0xad}, {0xee, 0xe3}, {0xeb, 0xf2}, {0x9b, 0xe2}, + {0x01, 0x02}, {0xf5, 0x03}, {0xf4, 0xac}, {0x04, 0x05}, {0xe6, 0xed}, + {0xf6, 0x06}, {0xae, 0xf0}, {0x07, 0x08}, {0xf3, 0x09}, {0x0a, 0xe4}, + {0x0b, 0x0c}, {0xf9, 0x0d}, {0xef, 0x0e}, {0xe1, 0x0f}, {0x10, 0xe9}, + {0xec, 0x11}, {0xa0, 0xe5}, {0x12, 0x13}, {0x14, 0x15}, }, + { {0x0c, 0x0d}, {0xa7, 0xbb}, {0x9b, 0x01}, {0xf9, 0xae}, {0xe2, 0x02}, + {0xed, 0xf3}, {0x03, 0xf5}, {0xef, 0xf0}, {0x04, 0x05}, {0xe9, 0x06}, + {0x07, 0x08}, {0x09, 0xa0}, {0xe1, 0xe5}, {0x0a, 0x0b}, }, + { {0x19, 0x1a}, {0xad, 0xbb}, {0xe2, 0xea}, {0xed, 0xf2}, {0xfa, 0xe6}, + {0xec, 0x01}, {0x02, 0x03}, {0x9b, 0xf5}, {0x04, 0xa7}, {0xf6, 0xf9}, + {0x05, 0x06}, {0xeb, 0xef}, {0x07, 0x08}, {0x09, 0x0a}, {0xac, 0x0b}, + {0x0c, 0xe3}, {0xae, 0x0d}, {0xee, 0xe9}, {0x0e, 0xe1}, {0x0f, 0xf3}, + {0x10, 0x11}, {0xf4, 0x12}, {0xe7, 0xe5}, {0x13, 0x14}, {0xe4, 0x15}, + {0x16, 0x17}, {0xa0, 0x18}, }, + { {0x1a, 0x1b}, {0xc2, 0x9b}, {0xad, 0xac}, {0xf8, 0x01}, {0xae, 0x02}, + {0x03, 0xe5}, {0xe7, 0xe8}, {0xf9, 0xe9}, {0xeb, 0x04}, {0xe3, 0xe1}, + {0x05, 0xf6}, {0x06, 0xe4}, {0x07, 0xe2}, {0xf0, 0x08}, {0x09, 0xf3}, + {0xf4, 0xf7}, {0xef, 0x0a}, {0x0b, 0x0c}, {0x0d, 0xec}, {0x0e, 0x0f}, + {0x10, 0xf5}, {0xed, 0x11}, {0xe6, 0xa0}, {0x12, 0xf2}, {0x13, 0x14}, + {0x15, 0xee}, {0x16, 0x17}, {0x18, 0x19}, }, + { {0x0e, 0x0f}, {0xad, 0xed}, {0xf9, 0x9b}, {0xae, 0x01}, {0xf3, 0x02}, + {0x03, 0xf5}, {0xf4, 0xf0}, {0x04, 0xef}, {0x05, 0xe9}, {0x06, 0xe8}, + {0xa0, 0xe1}, {0xec, 0x07}, {0xf2, 0x08}, {0xe5, 0x09}, {0x0a, 0x0b}, + {0x0c, 0x0d}, }, + { {0x9b, 0xf5}, }, + { {0x19, 0x1a}, {0xa9, 0xbb}, {0xf6, 0xe6}, {0x01, 0x9b}, {0xad, 0xe2}, + {0xf0, 0x02}, {0xa7, 0x03}, {0x04, 0x05}, {0xf5, 0xe3}, {0xac, 0xe7}, + {0xf2, 0x06}, {0xeb, 0x07}, {0xec, 0xed}, {0xee, 0xf9}, {0x08, 0xae}, + {0x09, 0x0a}, {0xe4, 0x0b}, {0x0c, 0xf4}, {0x0d, 0xf3}, {0x0e, 0x0f}, + {0x10, 0xe1}, {0xef, 0x11}, {0xe9, 0x12}, {0x13, 0xe5}, {0x14, 0xa0}, + {0x15, 0x16}, {0x17, 0x18}, }, + { {0xa0, 0x16}, {0xa2, 0xa7}, {0xe2, 0xeb}, {0xed, 0xee}, {0x9b, 0xf7}, + {0x01, 0x02}, {0x03, 0xbb}, {0xf9, 0xf0}, {0x04, 0x05}, {0xec, 0x06}, + {0x07, 0x08}, {0xf5, 0xe1}, {0x09, 0xac}, {0xe3, 0x0a}, {0xe8, 0x0b}, + {0xe9, 0x0c}, {0xef, 0xf3}, {0xae, 0x0d}, {0x0e, 0xe5}, {0x0f, 0x10}, + {0x11, 0xf4}, {0x12, 0x13}, {0x14, 0x15}, }, + { {0x14, 0x15}, {0xbb, 0xe2}, {0xad, 0xed}, {0x01, 0x9b}, {0xa7, 0xe3}, + {0xac, 0xec}, {0xee, 0x02}, {0xf7, 0x03}, {0x04, 0xf9}, {0x05, 0x06}, + {0x07, 0x08}, {0xf4, 0xae}, {0xf5, 0x09}, {0x0a, 0xf2}, {0xe1, 0xf3}, + {0x0b, 0x0c}, {0x0d, 0xe9}, {0x0e, 0x0f}, {0xef, 0xe5}, {0x10, 0xa0}, + {0xe8, 0x11}, {0x12, 0x13}, }, + { {0x11, 0x12}, {0xef, 0xf6}, {0x9b, 0xeb}, {0xf9, 0x01}, {0xa0, 0xe2}, + {0x02, 0xe1}, {0x03, 0xed}, {0x04, 0xe3}, {0xe9, 0x05}, {0xe4, 0xe5}, + {0xe7, 0x06}, {0xec, 0xf0}, {0x07, 0x08}, {0x09, 0x0a}, {0x0b, 0xf3}, + {0x0c, 0xf4}, {0xee, 0x0d}, {0xf2, 0x0e}, {0x0f, 0x10}, }, + { {0x05, 0xe5}, {0xf3, 0xf9}, {0x9b, 0x01}, {0xef, 0x02}, {0x03, 0xe1}, + {0x04, 0xe9}, }, + { {0x0a, 0x0b}, {0xae, 0x9b}, {0xec, 0xed}, {0x01, 0x02}, {0xf3, 0xee}, + {0xf2, 0x03}, {0xe5, 0x04}, {0xe8, 0xa0}, {0xe1, 0x05}, {0xef, 0x06}, + {0x07, 0x08}, {0xe9, 0x09}, }, + { {0x05, 0x06}, {0xa0, 0xac}, {0xad, 0xf4}, {0xe9, 0x01}, {0x02, 0xe1}, + {0xe5, 0x03}, {0x9b, 0x04}, }, + { {0x11, 0xa0}, {0xbf, 0xe1}, {0xe2, 0xe6}, {0xed, 0xe4}, {0xe9, 0xf7}, + {0xa7, 0x01}, {0x02, 0xbb}, {0x03, 0x04}, {0xec, 0x05}, {0x9b, 0xee}, + {0x06, 0xef}, {0x07, 0xac}, {0xe5, 0xf3}, {0x08, 0x09}, {0x0a, 0xae}, + {0x0b, 0x0c}, {0x0d, 0x0e}, {0x0f, 0x10}, }, + { {0x06, 0x07}, {0xa0, 0xae}, {0xe1, 0xe5}, {0xec, 0xfa}, {0x9b, 0xef}, + {0xe9, 0x01}, {0x02, 0x03}, {0x04, 0x05}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, +}; + +static struct hufftree_entry program_title_hufftree[][128] = { + { {0x1b, 0x1c}, {0xb4, 0xa4}, {0xb2, 0xb7}, {0xda, 0x01}, {0xd1, 0x02}, + {0x03, 0x9b}, {0x04, 0xd5}, {0xd9, 0x05}, {0xcb, 0xd6}, {0x06, 0xcf}, + {0x07, 0x08}, {0xca, 0x09}, {0xc9, 0xc5}, {0xc6, 0x0a}, {0xd2, 0xc4}, + {0xc7, 0xcc}, {0xd0, 0xc8}, {0xd7, 0xce}, {0x0b, 0xc1}, {0x0c, 0xc2}, + {0xcd, 0xc3}, {0x0d, 0x0e}, {0x0f, 0x10}, {0xd3, 0x11}, {0xd4, 0x12}, + {0x13, 0x14}, {0x15, 0x16}, {0x17, 0x18}, {0x19, 0x1a}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x29, 0x2a}, {0xd8, 0xe5}, {0xb9, 0x01}, {0xa7, 0xb1}, {0xec, 0xd1}, + {0x02, 0xad}, {0xb2, 0xda}, {0xe3, 0xb3}, {0x03, 0xe4}, {0xe6, 0x04}, + {0x9b, 0xe2}, {0x05, 0x06}, {0x07, 0x08}, {0x09, 0xd5}, {0x0a, 0xd6}, + {0x0b, 0xd9}, {0x0c, 0xa6}, {0xe9, 0xcb}, {0xc5, 0xcf}, {0x0d, 0x0e}, + {0xca, 0xc9}, {0x0f, 0xc7}, {0x10, 0x11}, {0xe1, 0x12}, {0x13, 0xc6}, + {0xd2, 0xc8}, {0xce, 0xc1}, {0xc4, 0xd0}, {0xcc, 0x14}, {0x15, 0xef}, + {0xc2, 0xd7}, {0x16, 0xcd}, {0x17, 0xf4}, {0xd4, 0x18}, {0x19, 0x1a}, + {0xc3, 0xd3}, {0x1b, 0x1c}, {0x1d, 0x1e}, {0x1f, 0x20}, {0x21, 0x22}, + {0x23, 0x24}, {0x25, 0x26}, {0x27, 0x28}, }, + { {0x01, 0x80}, {0xa0, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0xb1, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0xa0}, }, + { {0x04, 0xf3}, {0xe4, 0xb9}, {0x01, 0xf4}, {0xa0, 0x9b}, {0x02, 0x03}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x01, 0x02}, {0x9b, 0xc1}, {0xc8, 0xd3}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0xa0}, }, + { {0x07, 0x08}, {0xb1, 0xd2}, {0xd3, 0xd4}, {0xd5, 0xad}, {0xcd, 0xc1}, + {0x01, 0x02}, {0x03, 0xa0}, {0x04, 0x9b}, {0x05, 0x06}, }, + { {0xa0, 0x05}, {0xc9, 0xd7}, {0xd3, 0x01}, {0x02, 0x9b}, {0xae, 0x80}, + {0x03, 0x04}, }, + { {0x9b, 0x9b}, }, + { {0x02, 0x03}, {0xad, 0x9b}, {0x01, 0x80}, {0xa0, 0xb0}, }, + { {0x04, 0x05}, {0x80, 0x9b}, {0xb1, 0xb2}, {0xa0, 0xb0}, {0xb9, 0x01}, + {0x02, 0x03}, }, + { {0x02, 0x03}, {0xb1, 0xba}, {0x01, 0xb0}, {0x9b, 0x80}, }, + { {0x80, 0x01}, {0xb0, 0x9b}, }, + { {0x9b, 0xb8}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0xb0}, }, + { {0x9b, 0xa0}, }, + { {0x02, 0x03}, {0xb1, 0xb3}, {0xb9, 0xb0}, {0x01, 0x9b}, }, + { {0x9b, 0xa0}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x80}, }, + { {0x9b, 0x9b}, }, + { {0x13, 0x14}, {0xaa, 0xad}, {0xae, 0xf6}, {0xe7, 0xf4}, {0xe2, 0xe9}, + {0x01, 0x02}, {0xc2, 0xf0}, {0x9b, 0xf3}, {0xe3, 0xe6}, {0xf7, 0x03}, + {0xf5, 0x04}, {0x05, 0x06}, {0xf2, 0x07}, {0x08, 0x09}, {0x0a, 0x0b}, + {0x0c, 0xe4}, {0xa0, 0x0d}, {0xec, 0xee}, {0x0e, 0xed}, {0x0f, 0x10}, + {0x11, 0x12}, }, + { {0x08, 0x09}, {0xc1, 0xd3}, {0x9b, 0x01}, {0xc3, 0x02}, {0xe9, 0xec}, + {0x03, 0xf2}, {0xf5, 0x04}, {0xef, 0xe1}, {0x05, 0xe5}, {0x06, 0x07}, }, + { {0x0b, 0x0c}, {0xc1, 0xf9}, {0x01, 0xc2}, {0xcf, 0xe5}, {0xf5, 0x9b}, + {0xe9, 0x02}, {0xa0, 0x03}, {0x04, 0x05}, {0xf2, 0x06}, {0xec, 0x07}, + {0xe1, 0x08}, {0x09, 0xe8}, {0x0a, 0xef}, }, + { {0x05, 0x06}, {0xf9, 0x9b}, {0x01, 0xf5}, {0x02, 0xf2}, {0xe9, 0xe5}, + {0xef, 0x03}, {0xe1, 0x04}, }, + { {0x0a, 0x0b}, {0xf1, 0xf5}, {0xf3, 0x01}, {0xed, 0xf9}, {0xc3, 0x02}, + {0xec, 0xee}, {0xe4, 0xf8}, {0x03, 0x9b}, {0xf6, 0x04}, {0x05, 0xe1}, + {0x06, 0x07}, {0x08, 0x09}, }, + { {0x07, 0x08}, {0xa0, 0x9b}, {0xcc, 0x01}, {0xe5, 0x02}, {0xec, 0xf5}, + {0xef, 0x03}, {0xe9, 0xf2}, {0x04, 0x05}, {0xe1, 0x06}, }, + { {0x09, 0x0a}, {0xae, 0xec}, {0xf9, 0xc1}, {0xe8, 0x01}, {0x9b, 0x02}, + {0x03, 0x04}, {0xe1, 0xf5}, {0xe9, 0x05}, {0xe5, 0x06}, {0xf2, 0xef}, + {0x07, 0x08}, }, + { {0xef, 0x05}, {0x80, 0x9b}, {0xf5, 0x01}, {0x02, 0xe9}, {0xe1, 0x03}, + {0xe5, 0x04}, }, + { {0xee, 0x0b}, {0xba, 0xd4}, {0xae, 0xf2}, {0xe3, 0x01}, {0xa0, 0x02}, + {0x80, 0x9b}, {0xed, 0x03}, {0xc9, 0xf3}, {0xf4, 0x04}, {0x05, 0x06}, + {0x07, 0x08}, {0x09, 0x0a}, }, + { {0x02, 0x03}, {0x9b, 0xf5}, {0x01, 0xe1}, {0xef, 0xe5}, }, + { {0x05, 0xe9}, {0xe1, 0xef}, {0xf5, 0xee}, {0x9b, 0xe5}, {0x01, 0x02}, + {0x03, 0x04}, }, + { {0x04, 0x05}, {0xa0, 0x9b}, {0x01, 0xf5}, {0x02, 0xe5}, {0xef, 0x03}, + {0xe1, 0xe9}, }, + { {0x08, 0x09}, {0xaa, 0xd4}, {0x01, 0x9b}, {0xe3, 0x02}, {0xf2, 0x03}, + {0xe5, 0x04}, {0xf5, 0xf9}, {0xe9, 0x05}, {0xef, 0x06}, {0x07, 0xe1}, }, + { {0xe5, 0x08}, {0xce, 0xa0}, {0xc6, 0xf5}, {0x01, 0x02}, {0x9b, 0xc2}, + {0x03, 0xe1}, {0x04, 0xef}, {0x05, 0xe9}, {0x06, 0x07}, }, + { {0x09, 0x0a}, {0xe4, 0xf3}, {0xe6, 0xf6}, {0xf7, 0xf0}, {0xf2, 0x01}, + {0xec, 0x02}, {0x03, 0xa0}, {0x9b, 0x04}, {0x05, 0xf5}, {0x06, 0x07}, + {0xee, 0x08}, }, + { {0x0b, 0x0c}, {0xa0, 0xf3}, {0xf9, 0xae}, {0xd2, 0xc7}, {0x01, 0x9b}, + {0x02, 0xf5}, {0x03, 0x04}, {0x05, 0xe9}, {0xec, 0x06}, {0xe5, 0x07}, + {0xef, 0x08}, {0xe1, 0x09}, {0xf2, 0x0a}, }, + { {0x01, 0xf5}, {0x9b, 0xd6}, }, + { {0x04, 0x05}, {0xe8, 0x9b}, {0x01, 0xf5}, {0x02, 0xe1}, {0xe9, 0xef}, + {0x03, 0xe5}, }, + { {0x10, 0x11}, {0xaa, 0xec}, {0xf1, 0xae}, {0xa0, 0xf7}, {0xed, 0xee}, + {0x01, 0x02}, {0x9b, 0xeb}, {0x03, 0x04}, {0x05, 0x06}, {0xe3, 0x07}, + {0xef, 0x08}, {0xe9, 0xf5}, {0x09, 0xe1}, {0xe5, 0xf0}, {0xe8, 0x0a}, + {0x0b, 0x0c}, {0x0d, 0xf4}, {0x0e, 0x0f}, }, + { {0xe8, 0x0a}, {0xad, 0xce}, {0x9b, 0x01}, {0xd6, 0x02}, {0xf5, 0xf7}, + {0x03, 0x04}, {0xe1, 0xe5}, {0xe9, 0x05}, {0xf2, 0x06}, {0xef, 0x07}, + {0x08, 0x09}, }, + { {0xee, 0x03}, {0xec, 0xae}, {0x01, 0x9b}, {0x02, 0xf0}, }, + { {0x06, 0xe9}, {0xa0, 0xc3}, {0xef, 0x9b}, {0xe5, 0x01}, {0x80, 0x02}, + {0x03, 0xe1}, {0x04, 0x05}, }, + { {0x06, 0x07}, {0xc6, 0xd7}, {0x01, 0x9b}, {0xf2, 0x02}, {0x03, 0xe8}, + {0xe5, 0xe1}, {0x04, 0xe9}, {0xef, 0x05}, }, + { {0x9b, 0x9b}, }, + { {0x02, 0xef}, {0xe1, 0x9b}, {0x01, 0xe5}, }, + { {0x01, 0xef}, {0x9b, 0xe1}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x19, 0x1a}, {0x9b, 0xba}, {0xe5, 0xea}, {0xf8, 0x01}, {0x02, 0xe6}, + {0xa7, 0x03}, {0xfa, 0xe8}, {0x04, 0xf7}, {0x05, 0xf5}, {0xe2, 0x06}, + {0xeb, 0x07}, {0xf0, 0x08}, {0x80, 0xf6}, {0xe7, 0x09}, {0xe4, 0x0a}, + {0xa0, 0xe9}, {0x0b, 0xe3}, {0xf9, 0x0c}, {0x0d, 0xed}, {0x0e, 0x0f}, + {0xf3, 0x10}, {0x11, 0xec}, {0x12, 0xf4}, {0xf2, 0x13}, {0xee, 0x14}, + {0x15, 0x16}, {0x17, 0x18}, }, + { {0x0a, 0x0b}, {0xf3, 0x9b}, {0xf5, 0xe2}, {0x01, 0x80}, {0xa0, 0x02}, + {0xe5, 0xf2}, {0xe9, 0x03}, {0xec, 0x04}, {0xf9, 0x05}, {0xef, 0x06}, + {0xe1, 0x07}, {0x08, 0x09}, }, + { {0x10, 0x11}, {0xc3, 0xcc}, {0xc7, 0x9b}, {0xe3, 0x01}, {0x80, 0xec}, + {0xf9, 0x02}, {0xf3, 0x03}, {0xf5, 0x04}, {0x05, 0xf2}, {0x06, 0xe9}, + {0xa0, 0x07}, {0x08, 0xef}, {0xf4, 0x09}, {0x0a, 0xe1}, {0x0b, 0xe8}, + {0xeb, 0xe5}, {0x0c, 0x0d}, {0x0e, 0x0f}, }, + { {0x0e, 0x0f}, {0xae, 0xf5}, {0xf7, 0x01}, {0xec, 0x02}, {0xe4, 0xe7}, + {0xf2, 0x03}, {0x9b, 0xef}, {0x04, 0xf6}, {0x05, 0x06}, {0xf9, 0xf3}, + {0x07, 0xe9}, {0xe1, 0x08}, {0x09, 0x80}, {0x0a, 0x0b}, {0xe5, 0x0c}, + {0x0d, 0xa0}, }, + { {0x1e, 0x1f}, {0x9b, 0xa1}, {0xad, 0xe8}, {0xea, 0xf1}, {0xf5, 0xfa}, + {0x01, 0x02}, {0x03, 0x04}, {0xba, 0xf8}, {0xa7, 0xe2}, {0xe9, 0x05}, + {0x06, 0x07}, {0xe6, 0xed}, {0xe7, 0xeb}, {0x08, 0x09}, {0xf6, 0xf0}, + {0x0a, 0xef}, {0x0b, 0xe3}, {0x0c, 0x0d}, {0x0e, 0xf9}, {0x0f, 0xe4}, + {0xec, 0x10}, {0xe5, 0x11}, {0xf4, 0xf7}, {0x12, 0x13}, {0xe1, 0x14}, + {0x15, 0x16}, {0xee, 0xf3}, {0x17, 0x80}, {0x18, 0x19}, {0xf2, 0x1a}, + {0x1b, 0xa0}, {0x1c, 0x1d}, }, + { {0xa0, 0x0b}, {0xf5, 0x9b}, {0x01, 0xec}, {0xf3, 0xf2}, {0x80, 0xe1}, + {0x02, 0x03}, {0xf4, 0xe9}, {0xef, 0xe6}, {0x04, 0x05}, {0x06, 0x07}, + {0xe5, 0x08}, {0x09, 0x0a}, }, + { {0x0f, 0x10}, {0xba, 0xf9}, {0xa7, 0xf4}, {0x9b, 0x01}, {0xe7, 0xec}, + {0x02, 0xee}, {0x03, 0xef}, {0xf5, 0x04}, {0xf2, 0x05}, {0x06, 0xe9}, + {0x07, 0xf3}, {0xe1, 0x08}, {0x09, 0x0a}, {0x0b, 0xe5}, {0x80, 0x0c}, + {0xe8, 0xa0}, {0x0d, 0x0e}, }, + { {0xe5, 0x0d}, {0xe2, 0xf5}, {0xf7, 0x9b}, {0xec, 0x01}, {0xf9, 0xee}, + {0x02, 0x03}, {0x04, 0xf2}, {0x05, 0x80}, {0x06, 0xa0}, {0xe1, 0xef}, + {0x07, 0xf4}, {0xe9, 0x08}, {0x09, 0x0a}, {0x0b, 0x0c}, }, + { {0x15, 0x16}, {0xa1, 0xf8}, {0xe9, 0xeb}, {0x01, 0x80}, {0x9b, 0xfa}, + {0xe2, 0x02}, {0x03, 0x04}, {0xa0, 0xf0}, {0x05, 0x06}, {0x07, 0xe1}, + {0x08, 0xe6}, {0xf2, 0xed}, {0xf6, 0x09}, {0xe4, 0x0a}, {0xef, 0xf4}, + {0xec, 0xf3}, {0xe7, 0xe5}, {0x0b, 0xe3}, {0x0c, 0x0d}, {0x0e, 0x0f}, + {0x10, 0x11}, {0x12, 0x13}, {0xee, 0x14}, }, + { {0xef, 0x01}, {0x9b, 0xe1}, }, + { {0x0b, 0x0c}, {0xd4, 0xef}, {0xe6, 0xec}, {0xf7, 0xe1}, {0x01, 0xba}, + {0x02, 0x9b}, {0xf9, 0x03}, {0x04, 0x05}, {0xf3, 0x06}, {0x07, 0x08}, + {0xe9, 0xa0}, {0x09, 0x80}, {0xe5, 0x0a}, }, + { {0x15, 0x16}, {0xa7, 0xba}, {0xe3, 0xf7}, {0xf2, 0xad}, {0xe2, 0x01}, + {0x02, 0x9b}, {0xe6, 0x03}, {0xed, 0xf6}, {0x04, 0xeb}, {0x05, 0xf4}, + {0x06, 0x07}, {0x08, 0xf3}, {0x09, 0xf5}, {0x0a, 0xef}, {0x0b, 0x0c}, + {0x80, 0xf9}, {0xe1, 0x0d}, {0xe4, 0xe9}, {0xa0, 0x0e}, {0x0f, 0xec}, + {0xe5, 0x10}, {0x11, 0x12}, {0x13, 0x14}, }, + { {0x0a, 0x0b}, {0xf9, 0x9b}, {0xf5, 0xf3}, {0x01, 0x02}, {0xe2, 0xed}, + {0x80, 0x03}, {0xf0, 0xef}, {0x04, 0xa0}, {0x05, 0xe9}, {0x06, 0xe1}, + {0x07, 0x08}, {0x09, 0xe5}, }, + { {0x18, 0x19}, {0xe2, 0xea}, {0xf2, 0xe8}, {0xec, 0xed}, {0xfa, 0x9b}, + {0x01, 0xf5}, {0x02, 0x03}, {0xf6, 0x04}, {0xba, 0xe6}, {0x05, 0x06}, + {0xeb, 0xef}, {0x07, 0xa7}, {0xf9, 0x08}, {0x09, 0x0a}, {0x0b, 0xe3}, + {0x0c, 0xee}, {0xe1, 0x0d}, {0xf3, 0x0e}, {0xe9, 0x0f}, {0x10, 0xf4}, + {0x80, 0xe4}, {0xe5, 0x11}, {0x12, 0xe7}, {0xa0, 0x13}, {0x14, 0x15}, + {0x16, 0x17}, }, + { {0x1b, 0x1c}, {0xae, 0xfa}, {0xbf, 0x01}, {0xa7, 0x9b}, {0x02, 0xe9}, + {0xf8, 0xf9}, {0x03, 0xe5}, {0xe8, 0x04}, {0xe1, 0xeb}, {0x05, 0xe2}, + {0x06, 0x07}, {0xe3, 0x08}, {0xe7, 0xf4}, {0x09, 0x80}, {0xf6, 0xf0}, + {0x0a, 0xe4}, {0x0b, 0xf3}, {0xf7, 0x0c}, {0x0d, 0xef}, {0xec, 0xa0}, + {0x0e, 0x0f}, {0xed, 0xe6}, {0x10, 0xf5}, {0x11, 0x12}, {0x13, 0x14}, + {0x15, 0xf2}, {0x16, 0xee}, {0x17, 0x18}, {0x19, 0x1a}, }, + { {0x0e, 0x0f}, {0xed, 0xa7}, {0x9b, 0xe4}, {0x01, 0xf9}, {0xf3, 0xf2}, + {0xf4, 0x02}, {0xe8, 0x03}, {0xec, 0xf0}, {0x04, 0xe1}, {0xe9, 0x05}, + {0x06, 0x80}, {0xa0, 0x07}, {0x08, 0x09}, {0x0a, 0xe5}, {0xef, 0x0b}, + {0x0c, 0x0d}, }, + { {0x9b, 0xf5}, }, + { {0x18, 0x19}, {0xba, 0xac}, {0xf6, 0x9b}, {0xf0, 0xe2}, {0x01, 0xe6}, + {0x02, 0xa7}, {0xae, 0xe7}, {0x03, 0xe3}, {0xf5, 0x04}, {0xed, 0x05}, + {0x06, 0x07}, {0xeb, 0x08}, {0x09, 0xee}, {0xf2, 0x0a}, {0xe4, 0x0b}, + {0xf9, 0xec}, {0x0c, 0x0d}, {0xf4, 0x80}, {0x0e, 0xef}, {0xf3, 0xa0}, + {0xe1, 0x0f}, {0xe9, 0x10}, {0x11, 0xe5}, {0x12, 0x13}, {0x14, 0x15}, + {0x16, 0x17}, }, + { {0x19, 0x1a}, {0xa7, 0xac}, {0xbf, 0xc3}, {0xc8, 0xe4}, {0xe6, 0xed}, + {0xf2, 0xae}, {0xec, 0xee}, {0xf9, 0x01}, {0x02, 0x03}, {0x04, 0xba}, + {0x05, 0x9b}, {0xf5, 0x06}, {0x07, 0x08}, {0x09, 0xeb}, {0xf0, 0x0a}, + {0x0b, 0x0c}, {0xe1, 0xe3}, {0x0d, 0xe8}, {0x0e, 0x0f}, {0xef, 0x10}, + {0x11, 0xf3}, {0x12, 0xe9}, {0x13, 0xe5}, {0x14, 0x15}, {0xf4, 0x16}, + {0x17, 0xa0}, {0x18, 0x80}, }, + { {0x14, 0x15}, {0xba, 0xbf}, {0xe4, 0xf7}, {0x9b, 0xa7}, {0x01, 0xee}, + {0x02, 0x03}, {0x04, 0xe3}, {0xe2, 0xed}, {0x05, 0xf9}, {0x06, 0xf4}, + {0x07, 0xec}, {0x08, 0xf5}, {0xf2, 0x09}, {0xe1, 0xf3}, {0x0a, 0xef}, + {0x0b, 0x0c}, {0x0d, 0xe9}, {0x80, 0xe5}, {0x0e, 0xa0}, {0x0f, 0xe8}, + {0x10, 0x11}, {0x12, 0x13}, }, + { {0x11, 0x12}, {0xeb, 0xfa}, {0x80, 0xe6}, {0x9b, 0x01}, {0xa0, 0x02}, + {0x03, 0xe9}, {0xe1, 0x04}, {0xe4, 0xf0}, {0xed, 0xe2}, {0xe3, 0xe7}, + {0xec, 0x05}, {0xe5, 0x06}, {0x07, 0x08}, {0x09, 0xf4}, {0x0a, 0x0b}, + {0x0c, 0xf3}, {0xee, 0x0d}, {0x0e, 0xf2}, {0x0f, 0x10}, }, + { {0x04, 0xe5}, {0xf3, 0xef}, {0x9b, 0x01}, {0xe1, 0x02}, {0x03, 0xe9}, }, + { {0x0b, 0x0c}, {0xa7, 0xe2}, {0xec, 0xe3}, {0xf2, 0x01}, {0x9b, 0x02}, + {0x03, 0x04}, {0xe9, 0xef}, {0xee, 0xe5}, {0xe1, 0x80}, {0x05, 0xa0}, + {0x06, 0x07}, {0x08, 0x09}, {0xf3, 0x0a}, }, + { {0x05, 0x06}, {0x9b, 0xa0}, {0xe1, 0xe5}, {0xe9, 0x01}, {0x80, 0xf0}, + {0x02, 0xf4}, {0x03, 0x04}, }, + { {0xa0, 0x13}, {0xe3, 0xad}, {0xe4, 0xe9}, {0xee, 0xef}, {0xf0, 0xf4}, + {0xf6, 0xa1}, {0xe1, 0xed}, {0x01, 0xe2}, {0x02, 0x03}, {0x04, 0xa7}, + {0x05, 0x06}, {0xf7, 0x07}, {0x9b, 0xec}, {0x08, 0xe5}, {0x09, 0x0a}, + {0x0b, 0x0c}, {0x0d, 0x0e}, {0xf3, 0x0f}, {0x10, 0x11}, {0x80, 0x12}, }, + { {0x05, 0x06}, {0xe5, 0xfa}, {0xa0, 0xf9}, {0x9b, 0x01}, {0x80, 0xe9}, + {0x02, 0xe1}, {0x03, 0x04}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, + { {0x9b, 0x9b}, }, +}; + + + +static inline void huffbuff_init(struct huffbuff *hbuf, uint8_t *buf, uint32_t buf_len) +{ + memset(hbuf, 0, sizeof(struct huffbuff)); + hbuf->buf = buf; + hbuf->buf_len = buf_len; +} + +static inline int huffbuff_bits(struct huffbuff *hbuf, uint8_t nbits) +{ + uint8_t result = 0; + + if (nbits > 8) + return -1; + + while(nbits--) { + if (hbuf->cur_byte >= hbuf->buf_len) { + return -1; + } + + result <<= 1; + if (hbuf->buf[hbuf->cur_byte] & (0x80 >> hbuf->cur_bit)) + result |= 1; + + if (++hbuf->cur_bit > 7) { + hbuf->cur_byte++; + hbuf->cur_bit = 0; + } + } + + return result; +} + +static inline int append_unicode_char(uint8_t **destbuf, size_t *destbuflen, size_t *destbufpos, + uint32_t c) +{ + uint8_t tmp[3]; + int tmplen = 0; + + // encode the unicode character first of all + if (c < 0x80) { + tmp[0] = c; + tmplen = 1; + } else if (c < 0x800) { + tmp[0] = 0xc0 | ((c >> 6) & 0x1f); + tmp[1] = 0x80 | (c & 0x3f); + tmplen = 2; + } else if (c < 0x10000) { + tmp[0] = 0xe0 | ((c >> 12) & 0x0f); + tmp[1] = 0x80 | ((c >> 6) & 0x3f); + tmp[2] = 0x80 | (c & 0x3f); + tmplen = 3; + } else { + return -1; + } + + // do we have enough buffer space? + if ((*destbufpos + tmplen) >= *destbuflen) { + uint8_t *new_dest = realloc(*destbuf, *destbuflen + DEST_ALLOC_DELTA); + if (new_dest == NULL) + return -ENOMEM; + *destbuf = new_dest; + *destbuflen += DEST_ALLOC_DELTA; + } + + // copy it into position + memcpy(*destbuf + *destbufpos, tmp, tmplen); + *destbufpos += tmplen; + + return 0; +} + +static inline int unicode_decode(uint8_t *srcbuf, size_t srcbuflen, int mode, + uint8_t **destbuf, size_t *destbuflen, size_t *destbufpos) +{ + size_t i; + uint32_t msb = mode << 8; + + for(i=0; i< srcbuflen; i++) { + if (append_unicode_char(destbuf, destbuflen, destbufpos, msb + srcbuf[i])) + return -1; + } + + return *destbufpos; +} + +static int huffman_decode_uncompressed(struct huffbuff *hbuf, + uint8_t **destbuf, size_t *destbuflen, size_t *destbufpos) +{ + int c; + + while(hbuf->cur_byte < hbuf->buf_len) { + // get next byte + if ((c = huffbuff_bits(hbuf, 8)) < 0) + return -1; + + switch(c) { + case HUFFSTRING_END: + return 0; + + case HUFFSTRING_ESCAPE: + return HUFFSTRING_ESCAPE; + + default: + if (append_unicode_char(destbuf, destbuflen, destbufpos, c)) + return -1; + + // if it is 7 bit, we swap back to the compressed context + if ((c & 0x80) == 0) + return c; + + // characters following an 8 bit uncompressed char are uncompressed as well + break; + } + } + + // ran out of string; pretend we saw an end of string char + return HUFFSTRING_END; +} + +static int huffman_decode(uint8_t *src, size_t srclen, + uint8_t **destbuf, size_t *destbuflen, size_t *destbufpos, + struct hufftree_entry hufftree[][128]) +{ + struct huffbuff hbuf; + int bit; + struct hufftree_entry *tree = hufftree[0]; + uint8_t treeidx = 0; + uint8_t treeval; + int tmp; + + huffbuff_init(&hbuf, src, srclen); + + while(hbuf.cur_byte < hbuf.buf_len) { + // get the next bit + if ((bit = huffbuff_bits(&hbuf, 1)) < 0) + return *destbufpos; + + if (!bit) { + treeval = tree[treeidx].left_idx; + } else { + treeval = tree[treeidx].right_idx; + } + + if (treeval & HUFFTREE_LITERAL_MASK) { + switch(treeval & ~HUFFTREE_LITERAL_MASK) { + case HUFFSTRING_END: + return 0; + + case HUFFSTRING_ESCAPE: + if ((tmp = + huffman_decode_uncompressed(&hbuf, + destbuf, destbuflen, destbufpos)) < 0) + return tmp; + if (tmp == 0) + return *destbufpos; + + tree = hufftree[tmp]; + treeidx = 0; + break; + + default: + // stash it + if (append_unicode_char(destbuf, destbuflen, destbufpos, + treeval & ~HUFFTREE_LITERAL_MASK)) + return -1; + tree = hufftree[treeval & ~HUFFTREE_LITERAL_MASK]; + treeidx = 0; + break; + } + } else { + treeidx = treeval; + } + } + + return *destbufpos; +} + +int atsc_text_segment_decode(struct atsc_text_string_segment *segment, + uint8_t **destbuf, size_t *destbufsize, size_t *destbufpos) +{ + if (segment->mode > ATSC_TEXT_SEGMENT_MODE_UNICODE_RANGE_MAX) + return -1; + + // mode==0 MUST be used for compressed text + if ((segment->mode) && (segment->compression_type)) + return -1; + + uint8_t *buf = atsc_text_string_segment_bytes(segment); + + switch(segment->compression_type) { + case ATSC_TEXT_COMPRESS_NONE: + return unicode_decode(buf, segment->number_bytes, segment->mode, + destbuf, destbufsize, destbufpos); + + case ATSC_TEXT_COMPRESS_PROGRAM_TITLE: + return huffman_decode(buf, segment->number_bytes, + destbuf, destbufsize, destbufpos, + program_title_hufftree); + + case ATSC_TEXT_COMPRESS_PROGRAM_DESCRIPTION: + return huffman_decode(buf, segment->number_bytes, + destbuf, destbufsize, destbufpos, + program_description_hufftree); + } + + return -1; +} |