1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libtheora/lib/apiwrapper.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,166 @@
1.4 +/********************************************************************
1.5 + * *
1.6 + * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
1.7 + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
1.8 + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
1.9 + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
1.10 + * *
1.11 + * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
1.12 + * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
1.13 + * *
1.14 + ********************************************************************
1.15 +
1.16 + function:
1.17 + last mod: $Id: apiwrapper.c 16503 2009-08-22 18:14:02Z giles $
1.18 +
1.19 + ********************************************************************/
1.20 +
1.21 +#include <stdlib.h>
1.22 +#include <string.h>
1.23 +#include <limits.h>
1.24 +#include "apiwrapper.h"
1.25 +
1.26 +
1.27 +
1.28 +const char *theora_version_string(void){
1.29 + return th_version_string();
1.30 +}
1.31 +
1.32 +ogg_uint32_t theora_version_number(void){
1.33 + return th_version_number();
1.34 +}
1.35 +
1.36 +void theora_info_init(theora_info *_ci){
1.37 + memset(_ci,0,sizeof(*_ci));
1.38 +}
1.39 +
1.40 +void theora_info_clear(theora_info *_ci){
1.41 + th_api_wrapper *api;
1.42 + api=(th_api_wrapper *)_ci->codec_setup;
1.43 + memset(_ci,0,sizeof(*_ci));
1.44 + if(api!=NULL){
1.45 + if(api->clear!=NULL)(*api->clear)(api);
1.46 + _ogg_free(api);
1.47 + }
1.48 +}
1.49 +
1.50 +void theora_clear(theora_state *_th){
1.51 + /*Provide compatibility with mixed encoder and decoder shared lib versions.*/
1.52 + if(_th->internal_decode!=NULL){
1.53 + (*((oc_state_dispatch_vtable *)_th->internal_decode)->clear)(_th);
1.54 + }
1.55 + if(_th->internal_encode!=NULL){
1.56 + (*((oc_state_dispatch_vtable *)_th->internal_encode)->clear)(_th);
1.57 + }
1.58 + if(_th->i!=NULL)theora_info_clear(_th->i);
1.59 + memset(_th,0,sizeof(*_th));
1.60 +}
1.61 +
1.62 +int theora_control(theora_state *_th,int _req,void *_buf,size_t _buf_sz){
1.63 + /*Provide compatibility with mixed encoder and decoder shared lib versions.*/
1.64 + if(_th->internal_decode!=NULL){
1.65 + return (*((oc_state_dispatch_vtable *)_th->internal_decode)->control)(_th,
1.66 + _req,_buf,_buf_sz);
1.67 + }
1.68 + else if(_th->internal_encode!=NULL){
1.69 + return (*((oc_state_dispatch_vtable *)_th->internal_encode)->control)(_th,
1.70 + _req,_buf,_buf_sz);
1.71 + }
1.72 + else return TH_EINVAL;
1.73 +}
1.74 +
1.75 +ogg_int64_t theora_granule_frame(theora_state *_th,ogg_int64_t _gp){
1.76 + /*Provide compatibility with mixed encoder and decoder shared lib versions.*/
1.77 + if(_th->internal_decode!=NULL){
1.78 + return (*((oc_state_dispatch_vtable *)_th->internal_decode)->granule_frame)(
1.79 + _th,_gp);
1.80 + }
1.81 + else if(_th->internal_encode!=NULL){
1.82 + return (*((oc_state_dispatch_vtable *)_th->internal_encode)->granule_frame)(
1.83 + _th,_gp);
1.84 + }
1.85 + else return -1;
1.86 +}
1.87 +
1.88 +double theora_granule_time(theora_state *_th, ogg_int64_t _gp){
1.89 + /*Provide compatibility with mixed encoder and decoder shared lib versions.*/
1.90 + if(_th->internal_decode!=NULL){
1.91 + return (*((oc_state_dispatch_vtable *)_th->internal_decode)->granule_time)(
1.92 + _th,_gp);
1.93 + }
1.94 + else if(_th->internal_encode!=NULL){
1.95 + return (*((oc_state_dispatch_vtable *)_th->internal_encode)->granule_time)(
1.96 + _th,_gp);
1.97 + }
1.98 + else return -1;
1.99 +}
1.100 +
1.101 +void oc_theora_info2th_info(th_info *_info,const theora_info *_ci){
1.102 + _info->version_major=_ci->version_major;
1.103 + _info->version_minor=_ci->version_minor;
1.104 + _info->version_subminor=_ci->version_subminor;
1.105 + _info->frame_width=_ci->width;
1.106 + _info->frame_height=_ci->height;
1.107 + _info->pic_width=_ci->frame_width;
1.108 + _info->pic_height=_ci->frame_height;
1.109 + _info->pic_x=_ci->offset_x;
1.110 + _info->pic_y=_ci->offset_y;
1.111 + _info->fps_numerator=_ci->fps_numerator;
1.112 + _info->fps_denominator=_ci->fps_denominator;
1.113 + _info->aspect_numerator=_ci->aspect_numerator;
1.114 + _info->aspect_denominator=_ci->aspect_denominator;
1.115 + switch(_ci->colorspace){
1.116 + case OC_CS_ITU_REC_470M:_info->colorspace=TH_CS_ITU_REC_470M;break;
1.117 + case OC_CS_ITU_REC_470BG:_info->colorspace=TH_CS_ITU_REC_470BG;break;
1.118 + default:_info->colorspace=TH_CS_UNSPECIFIED;break;
1.119 + }
1.120 + switch(_ci->pixelformat){
1.121 + case OC_PF_420:_info->pixel_fmt=TH_PF_420;break;
1.122 + case OC_PF_422:_info->pixel_fmt=TH_PF_422;break;
1.123 + case OC_PF_444:_info->pixel_fmt=TH_PF_444;break;
1.124 + default:_info->pixel_fmt=TH_PF_RSVD;
1.125 + }
1.126 + _info->target_bitrate=_ci->target_bitrate;
1.127 + _info->quality=_ci->quality;
1.128 + _info->keyframe_granule_shift=_ci->keyframe_frequency_force>0?
1.129 + OC_MINI(31,oc_ilog(_ci->keyframe_frequency_force-1)):0;
1.130 +}
1.131 +
1.132 +int theora_packet_isheader(ogg_packet *_op){
1.133 + return th_packet_isheader(_op);
1.134 +}
1.135 +
1.136 +int theora_packet_iskeyframe(ogg_packet *_op){
1.137 + return th_packet_iskeyframe(_op);
1.138 +}
1.139 +
1.140 +int theora_granule_shift(theora_info *_ci){
1.141 + /*This breaks when keyframe_frequency_force is not positive or is larger than
1.142 + 2**31 (if your int is more than 32 bits), but that's what the original
1.143 + function does.*/
1.144 + return oc_ilog(_ci->keyframe_frequency_force-1);
1.145 +}
1.146 +
1.147 +void theora_comment_init(theora_comment *_tc){
1.148 + th_comment_init((th_comment *)_tc);
1.149 +}
1.150 +
1.151 +char *theora_comment_query(theora_comment *_tc,char *_tag,int _count){
1.152 + return th_comment_query((th_comment *)_tc,_tag,_count);
1.153 +}
1.154 +
1.155 +int theora_comment_query_count(theora_comment *_tc,char *_tag){
1.156 + return th_comment_query_count((th_comment *)_tc,_tag);
1.157 +}
1.158 +
1.159 +void theora_comment_clear(theora_comment *_tc){
1.160 + th_comment_clear((th_comment *)_tc);
1.161 +}
1.162 +
1.163 +void theora_comment_add(theora_comment *_tc,char *_comment){
1.164 + th_comment_add((th_comment *)_tc,_comment);
1.165 +}
1.166 +
1.167 +void theora_comment_add_tag(theora_comment *_tc, char *_tag, char *_value){
1.168 + th_comment_add_tag((th_comment *)_tc,_tag,_value);
1.169 +}
