1 | /* |
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2 | * DreamDVD V0.9 - DVD-Player for Dreambox |
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3 | * Copyright (C) 2007 by Seddi |
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4 | * |
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5 | * This DVD Player is based upon the great work from the libdvdnav project, |
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6 | * a52dec library, ffmpeg and the knowledge from all the people who made |
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7 | * watching DVD within linux possible. |
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8 | * |
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9 | * DreamDVD is free software; you can redistribute it and/or modify |
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10 | * it under the terms of the GNU General Public License as published by |
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11 | * the Free Software Foundation; either version 2 of the License, or |
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12 | * (at your option) any later version. |
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13 | * |
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14 | * DreamDVD is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this program; if not, write to the Free Software |
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21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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22 | * |
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23 | * part of libdreamdvd |
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24 | */ |
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25 | |
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26 | #ifndef __A52DEC_H__ |
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27 | |
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28 | #define __A52DEC_H__ |
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29 | |
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30 | |
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31 | typedef int32_t sample_t; |
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32 | typedef int32_t level_t; |
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33 | |
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34 | typedef struct a52_state_s a52_state_t; |
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35 | |
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36 | #define A52_CHANNEL 0 |
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37 | #define A52_MONO 1 |
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38 | #define A52_STEREO 2 |
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39 | #define A52_3F 3 |
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40 | #define A52_2F1R 4 |
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41 | #define A52_3F1R 5 |
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42 | #define A52_2F2R 6 |
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43 | #define A52_3F2R 7 |
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44 | #define A52_CHANNEL1 8 |
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45 | #define A52_CHANNEL2 9 |
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46 | #define A52_DOLBY 10 |
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47 | #define A52_CHANNEL_MASK 15 |
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48 | |
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49 | #define A52_LFE 16 |
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50 | #define A52_ADJUST_LEVEL 32 |
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51 | |
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52 | // liba52 function defs for using dlsym |
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53 | a52_state_t * (*a52_init) (uint32_t); |
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54 | sample_t * (*a52_samples) (a52_state_t *); |
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55 | int (*a52_syncinfo) (uint8_t * , int * , int * , int * ); |
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56 | int (*a52_frame) (a52_state_t * , uint8_t * , int * , level_t * , sample_t ); |
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57 | int (*a52_block) (a52_state_t * ); |
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58 | void (*a52_free) (a52_state_t * ); |
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59 | |
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60 | void *a52_handle; |
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61 | |
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62 | a52_state_t * state; |
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63 | |
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64 | int ddvd_ac3_decode(const uint8_t *input, unsigned int len, int16_t *output); |
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65 | int ddvd_load_liba52(); |
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66 | void ddvd_close_liba52(); |
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67 | |
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68 | #endif |
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