| Gloria Wang | 37fe158 | 2010-03-12 14:53:20 -0800 | [diff] [blame^] | 1 | /************************************************************************ |
| 2 | * Copyright (C) 2010, The Android Open Source Project |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are |
| 7 | * met: |
| 8 | * |
| 9 | * * Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * * Redistributions in binary form must reproduce the above |
| 12 | * copyright notice, this list of conditions and the following disclaimer |
| 13 | * in the documentation and/or other materials provided with the |
| 14 | * distribution. |
| 15 | * * Neither the name of the Android Open Source Project nor the |
| 16 | * names of its contributors may be used to endorse or promote products |
| 17 | * derived from this software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| 30 | ************************************************************************ |
| Gloria Wang | 7913073 | 2010-02-08 14:41:04 -0800 | [diff] [blame] | 31 | |
| 32 | function: libvorbis codec headers |
| 33 | |
| Gloria Wang | 37fe158 | 2010-03-12 14:53:20 -0800 | [diff] [blame^] | 34 | ************************************************************************/ |
| Gloria Wang | 7913073 | 2010-02-08 14:41:04 -0800 | [diff] [blame] | 35 | |
| 36 | #ifndef _vorbis_codec_h_ |
| 37 | #define _vorbis_codec_h_ |
| 38 | |
| 39 | #ifdef __cplusplus |
| 40 | extern "C" |
| 41 | { |
| 42 | #endif /* __cplusplus */ |
| 43 | |
| 44 | #include "ogg.h" |
| 45 | |
| 46 | struct vorbis_dsp_state; |
| 47 | typedef struct vorbis_dsp_state vorbis_dsp_state; |
| 48 | |
| 49 | typedef struct vorbis_info{ |
| 50 | int version; |
| 51 | int channels; |
| 52 | long rate; |
| 53 | |
| 54 | /* The below bitrate declarations are *hints*. |
| 55 | Combinations of the three values carry the following implications: |
| 56 | |
| 57 | all three set to the same value: |
| 58 | implies a fixed rate bitstream |
| 59 | only nominal set: |
| 60 | implies a VBR stream that averages the nominal bitrate. No hard |
| 61 | upper/lower limit |
| 62 | upper and or lower set: |
| 63 | implies a VBR bitstream that obeys the bitrate limits. nominal |
| 64 | may also be set to give a nominal rate. |
| 65 | none set: |
| 66 | the coder does not care to speculate. |
| 67 | */ |
| 68 | |
| 69 | long bitrate_upper; |
| 70 | long bitrate_nominal; |
| 71 | long bitrate_lower; |
| 72 | long bitrate_window; |
| 73 | |
| 74 | void *codec_setup; |
| 75 | } vorbis_info; |
| 76 | |
| 77 | typedef struct vorbis_comment{ |
| 78 | char **user_comments; |
| 79 | int *comment_lengths; |
| 80 | int comments; |
| 81 | char *vendor; |
| 82 | |
| 83 | } vorbis_comment; |
| 84 | |
| 85 | |
| 86 | /* Vorbis PRIMITIVES: general ***************************************/ |
| 87 | |
| 88 | extern void vorbis_info_init(vorbis_info *vi); |
| 89 | extern void vorbis_info_clear(vorbis_info *vi); |
| 90 | extern int vorbis_info_blocksize(vorbis_info *vi,int zo); |
| 91 | extern void vorbis_comment_init(vorbis_comment *vc); |
| 92 | extern void vorbis_comment_add(vorbis_comment *vc, char *comment); |
| 93 | extern void vorbis_comment_add_tag(vorbis_comment *vc, |
| 94 | char *tag, char *contents); |
| 95 | extern char *vorbis_comment_query(vorbis_comment *vc, char *tag, int count); |
| 96 | extern int vorbis_comment_query_count(vorbis_comment *vc, char *tag); |
| 97 | extern void vorbis_comment_clear(vorbis_comment *vc); |
| 98 | |
| 99 | /* Vorbis ERRORS and return codes ***********************************/ |
| 100 | |
| 101 | #define OV_FALSE -1 |
| 102 | #define OV_EOF -2 |
| 103 | #define OV_HOLE -3 |
| 104 | |
| 105 | #define OV_EREAD -128 |
| 106 | #define OV_EFAULT -129 |
| 107 | #define OV_EIMPL -130 |
| 108 | #define OV_EINVAL -131 |
| 109 | #define OV_ENOTVORBIS -132 |
| 110 | #define OV_EBADHEADER -133 |
| 111 | #define OV_EVERSION -134 |
| 112 | #define OV_ENOTAUDIO -135 |
| 113 | #define OV_EBADPACKET -136 |
| 114 | #define OV_EBADLINK -137 |
| 115 | #define OV_ENOSEEK -138 |
| 116 | |
| 117 | #ifdef __cplusplus |
| 118 | } |
| 119 | #endif /* __cplusplus */ |
| 120 | |
| 121 | #endif |
| 122 | |