The Tor Browser / file comparison
comparison: media/libtheora/lib/apiwrapper.c
media/libtheora/lib/apiwrapper.c
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:be82dd99a46a |
|---|---|
| 1 /******************************************************************** | |
| 2 * * | |
| 3 * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. * | |
| 4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * | |
| 5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * | |
| 6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * | |
| 7 * * | |
| 8 * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 * | |
| 9 * by the Xiph.Org Foundation and contributors http://www.xiph.org/ * | |
| 10 * * | |
| 11 ******************************************************************** | |
| 12 | |
| 13 function: | |
| 14 last mod: $Id: apiwrapper.c 16503 2009-08-22 18:14:02Z giles $ | |
| 15 | |
| 16 ********************************************************************/ | |
| 17 | |
| 18 #include <stdlib.h> | |
| 19 #include <string.h> | |
| 20 #include <limits.h> | |
| 21 #include "apiwrapper.h" | |
| 22 | |
| 23 | |
| 24 | |
| 25 const char *theora_version_string(void){ | |
| 26 return th_version_string(); | |
| 27 } | |
| 28 | |
| 29 ogg_uint32_t theora_version_number(void){ | |
| 30 return th_version_number(); | |
| 31 } | |
| 32 | |
| 33 void theora_info_init(theora_info *_ci){ | |
| 34 memset(_ci,0,sizeof(*_ci)); | |
| 35 } | |
| 36 | |
| 37 void theora_info_clear(theora_info *_ci){ | |
| 38 th_api_wrapper *api; | |
| 39 api=(th_api_wrapper *)_ci->codec_setup; | |
| 40 memset(_ci,0,sizeof(*_ci)); | |
| 41 if(api!=NULL){ | |
| 42 if(api->clear!=NULL)(*api->clear)(api); | |
| 43 _ogg_free(api); | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 void theora_clear(theora_state *_th){ | |
| 48 /*Provide compatibility with mixed encoder and decoder shared lib versions.*/ | |
| 49 if(_th->internal_decode!=NULL){ | |
| 50 (*((oc_state_dispatch_vtable *)_th->internal_decode)->clear)(_th); | |
| 51 } | |
| 52 if(_th->internal_encode!=NULL){ | |
| 53 (*((oc_state_dispatch_vtable *)_th->internal_encode)->clear)(_th); | |
| 54 } | |
| 55 if(_th->i!=NULL)theora_info_clear(_th->i); | |
| 56 memset(_th,0,sizeof(*_th)); | |
| 57 } | |
| 58 | |
| 59 int theora_control(theora_state *_th,int _req,void *_buf,size_t _buf_sz){ | |
| 60 /*Provide compatibility with mixed encoder and decoder shared lib versions.*/ | |
| 61 if(_th->internal_decode!=NULL){ | |
| 62 return (*((oc_state_dispatch_vtable *)_th->internal_decode)->control)(_th, | |
| 63 _req,_buf,_buf_sz); | |
| 64 } | |
| 65 else if(_th->internal_encode!=NULL){ | |
| 66 return (*((oc_state_dispatch_vtable *)_th->internal_encode)->control)(_th, | |
| 67 _req,_buf,_buf_sz); | |
| 68 } | |
| 69 else return TH_EINVAL; | |
| 70 } | |
| 71 | |
| 72 ogg_int64_t theora_granule_frame(theora_state *_th,ogg_int64_t _gp){ | |
| 73 /*Provide compatibility with mixed encoder and decoder shared lib versions.*/ | |
| 74 if(_th->internal_decode!=NULL){ | |
| 75 return (*((oc_state_dispatch_vtable *)_th->internal_decode)->granule_frame)( | |
| 76 _th,_gp); | |
| 77 } | |
| 78 else if(_th->internal_encode!=NULL){ | |
| 79 return (*((oc_state_dispatch_vtable *)_th->internal_encode)->granule_frame)( | |
| 80 _th,_gp); | |
| 81 } | |
| 82 else return -1; | |
| 83 } | |
| 84 | |
| 85 double theora_granule_time(theora_state *_th, ogg_int64_t _gp){ | |
| 86 /*Provide compatibility with mixed encoder and decoder shared lib versions.*/ | |
| 87 if(_th->internal_decode!=NULL){ | |
| 88 return (*((oc_state_dispatch_vtable *)_th->internal_decode)->granule_time)( | |
| 89 _th,_gp); | |
| 90 } | |
| 91 else if(_th->internal_encode!=NULL){ | |
| 92 return (*((oc_state_dispatch_vtable *)_th->internal_encode)->granule_time)( | |
| 93 _th,_gp); | |
| 94 } | |
| 95 else return -1; | |
| 96 } | |
| 97 | |
| 98 void oc_theora_info2th_info(th_info *_info,const theora_info *_ci){ | |
| 99 _info->version_major=_ci->version_major; | |
| 100 _info->version_minor=_ci->version_minor; | |
| 101 _info->version_subminor=_ci->version_subminor; | |
| 102 _info->frame_width=_ci->width; | |
| 103 _info->frame_height=_ci->height; | |
| 104 _info->pic_width=_ci->frame_width; | |
| 105 _info->pic_height=_ci->frame_height; | |
| 106 _info->pic_x=_ci->offset_x; | |
| 107 _info->pic_y=_ci->offset_y; | |
| 108 _info->fps_numerator=_ci->fps_numerator; | |
| 109 _info->fps_denominator=_ci->fps_denominator; | |
| 110 _info->aspect_numerator=_ci->aspect_numerator; | |
| 111 _info->aspect_denominator=_ci->aspect_denominator; | |
| 112 switch(_ci->colorspace){ | |
| 113 case OC_CS_ITU_REC_470M:_info->colorspace=TH_CS_ITU_REC_470M;break; | |
| 114 case OC_CS_ITU_REC_470BG:_info->colorspace=TH_CS_ITU_REC_470BG;break; | |
| 115 default:_info->colorspace=TH_CS_UNSPECIFIED;break; | |
| 116 } | |
| 117 switch(_ci->pixelformat){ | |
| 118 case OC_PF_420:_info->pixel_fmt=TH_PF_420;break; | |
| 119 case OC_PF_422:_info->pixel_fmt=TH_PF_422;break; | |
| 120 case OC_PF_444:_info->pixel_fmt=TH_PF_444;break; | |
| 121 default:_info->pixel_fmt=TH_PF_RSVD; | |
| 122 } | |
| 123 _info->target_bitrate=_ci->target_bitrate; | |
| 124 _info->quality=_ci->quality; | |
| 125 _info->keyframe_granule_shift=_ci->keyframe_frequency_force>0? | |
| 126 OC_MINI(31,oc_ilog(_ci->keyframe_frequency_force-1)):0; | |
| 127 } | |
| 128 | |
| 129 int theora_packet_isheader(ogg_packet *_op){ | |
| 130 return th_packet_isheader(_op); | |
| 131 } | |
| 132 | |
| 133 int theora_packet_iskeyframe(ogg_packet *_op){ | |
| 134 return th_packet_iskeyframe(_op); | |
| 135 } | |
| 136 | |
| 137 int theora_granule_shift(theora_info *_ci){ | |
| 138 /*This breaks when keyframe_frequency_force is not positive or is larger than | |
| 139 2**31 (if your int is more than 32 bits), but that's what the original | |
| 140 function does.*/ | |
| 141 return oc_ilog(_ci->keyframe_frequency_force-1); | |
| 142 } | |
| 143 | |
| 144 void theora_comment_init(theora_comment *_tc){ | |
| 145 th_comment_init((th_comment *)_tc); | |
| 146 } | |
| 147 | |
| 148 char *theora_comment_query(theora_comment *_tc,char *_tag,int _count){ | |
| 149 return th_comment_query((th_comment *)_tc,_tag,_count); | |
| 150 } | |
| 151 | |
| 152 int theora_comment_query_count(theora_comment *_tc,char *_tag){ | |
| 153 return th_comment_query_count((th_comment *)_tc,_tag); | |
| 154 } | |
| 155 | |
| 156 void theora_comment_clear(theora_comment *_tc){ | |
| 157 th_comment_clear((th_comment *)_tc); | |
| 158 } | |
| 159 | |
| 160 void theora_comment_add(theora_comment *_tc,char *_comment){ | |
| 161 th_comment_add((th_comment *)_tc,_comment); | |
| 162 } | |
| 163 | |
| 164 void theora_comment_add_tag(theora_comment *_tc, char *_tag, char *_value){ | |
| 165 th_comment_add_tag((th_comment *)_tc,_tag,_value); | |
| 166 } |
