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Diffstat (limited to 'media/libtheora/lib/decapiwrapper.c')
-rw-r--r--media/libtheora/lib/decapiwrapper.c193
1 files changed, 0 insertions, 193 deletions
diff --git a/media/libtheora/lib/decapiwrapper.c b/media/libtheora/lib/decapiwrapper.c
deleted file mode 100644
index 12ea475d17..0000000000
--- a/media/libtheora/lib/decapiwrapper.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/********************************************************************
- * *
- * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
- * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
- * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
- * *
- * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
- * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
- * *
- ********************************************************************
-
- function:
- last mod: $Id: decapiwrapper.c 13596 2007-08-23 20:05:38Z tterribe $
-
- ********************************************************************/
-
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include "apiwrapper.h"
-#include "decint.h"
-#include "theora/theoradec.h"
-
-static void th_dec_api_clear(th_api_wrapper *_api){
- if(_api->setup)th_setup_free(_api->setup);
- if(_api->decode)th_decode_free(_api->decode);
- memset(_api,0,sizeof(*_api));
-}
-
-static void theora_decode_clear(theora_state *_td){
- if(_td->i!=NULL)theora_info_clear(_td->i);
- memset(_td,0,sizeof(*_td));
-}
-
-static int theora_decode_control(theora_state *_td,int _req,
- void *_buf,size_t _buf_sz){
- return th_decode_ctl(((th_api_wrapper *)_td->i->codec_setup)->decode,
- _req,_buf,_buf_sz);
-}
-
-static ogg_int64_t theora_decode_granule_frame(theora_state *_td,
- ogg_int64_t _gp){
- return th_granule_frame(((th_api_wrapper *)_td->i->codec_setup)->decode,_gp);
-}
-
-static double theora_decode_granule_time(theora_state *_td,ogg_int64_t _gp){
- return th_granule_time(((th_api_wrapper *)_td->i->codec_setup)->decode,_gp);
-}
-
-static const oc_state_dispatch_vtable OC_DEC_DISPATCH_VTBL={
- (oc_state_clear_func)theora_decode_clear,
- (oc_state_control_func)theora_decode_control,
- (oc_state_granule_frame_func)theora_decode_granule_frame,
- (oc_state_granule_time_func)theora_decode_granule_time,
-};
-
-static void th_info2theora_info(theora_info *_ci,const th_info *_info){
- _ci->version_major=_info->version_major;
- _ci->version_minor=_info->version_minor;
- _ci->version_subminor=_info->version_subminor;
- _ci->width=_info->frame_width;
- _ci->height=_info->frame_height;
- _ci->frame_width=_info->pic_width;
- _ci->frame_height=_info->pic_height;
- _ci->offset_x=_info->pic_x;
- _ci->offset_y=_info->pic_y;
- _ci->fps_numerator=_info->fps_numerator;
- _ci->fps_denominator=_info->fps_denominator;
- _ci->aspect_numerator=_info->aspect_numerator;
- _ci->aspect_denominator=_info->aspect_denominator;
- switch(_info->colorspace){
- case TH_CS_ITU_REC_470M:_ci->colorspace=OC_CS_ITU_REC_470M;break;
- case TH_CS_ITU_REC_470BG:_ci->colorspace=OC_CS_ITU_REC_470BG;break;
- default:_ci->colorspace=OC_CS_UNSPECIFIED;break;
- }
- switch(_info->pixel_fmt){
- case TH_PF_420:_ci->pixelformat=OC_PF_420;break;
- case TH_PF_422:_ci->pixelformat=OC_PF_422;break;
- case TH_PF_444:_ci->pixelformat=OC_PF_444;break;
- default:_ci->pixelformat=OC_PF_RSVD;
- }
- _ci->target_bitrate=_info->target_bitrate;
- _ci->quality=_info->quality;
- _ci->keyframe_frequency_force=1<<_info->keyframe_granule_shift;
-}
-
-int theora_decode_init(theora_state *_td,theora_info *_ci){
- th_api_info *apiinfo;
- th_api_wrapper *api;
- th_info info;
- api=(th_api_wrapper *)_ci->codec_setup;
- /*Allocate our own combined API wrapper/theora_info struct.
- We put them both in one malloc'd block so that when the API wrapper is
- freed, the info struct goes with it.
- This avoids having to figure out whether or not we need to free the info
- struct in either theora_info_clear() or theora_clear().*/
- apiinfo=(th_api_info *)_ogg_calloc(1,sizeof(*apiinfo));
- if(apiinfo==NULL)return OC_FAULT;
- /*Make our own copy of the info struct, since its lifetime should be
- independent of the one we were passed in.*/
- *&apiinfo->info=*_ci;
- /*Convert the info struct now instead of saving the the one we decoded with
- theora_decode_header(), since the user might have modified values (i.e.,
- color space, aspect ratio, etc. can be specified from a higher level).
- The user also might be doing something "clever" with the header packets if
- they are not using an Ogg encapsulation.*/
- oc_theora_info2th_info(&info,_ci);
- /*Don't bother to copy the setup info; th_decode_alloc() makes its own copy
- of the stuff it needs.*/
- apiinfo->api.decode=th_decode_alloc(&info,api->setup);
- if(apiinfo->api.decode==NULL){
- _ogg_free(apiinfo);
- return OC_EINVAL;
- }
- apiinfo->api.clear=(oc_setup_clear_func)th_dec_api_clear;
- _td->internal_encode=NULL;
- /*Provide entry points for ABI compatibility with old decoder shared libs.*/
- _td->internal_decode=(void *)&OC_DEC_DISPATCH_VTBL;
- _td->granulepos=0;
- _td->i=&apiinfo->info;
- _td->i->codec_setup=&apiinfo->api;
- return 0;
-}
-
-int theora_decode_header(theora_info *_ci,theora_comment *_cc,ogg_packet *_op){
- th_api_wrapper *api;
- th_info info;
- int ret;
- api=(th_api_wrapper *)_ci->codec_setup;
- /*Allocate an API wrapper struct on demand, since it will not also include a
- theora_info struct like the ones that are used in a theora_state struct.*/
- if(api==NULL){
- _ci->codec_setup=_ogg_calloc(1,sizeof(*api));
- if(_ci->codec_setup==NULL)return OC_FAULT;
- api=(th_api_wrapper *)_ci->codec_setup;
- api->clear=(oc_setup_clear_func)th_dec_api_clear;
- }
- /*Convert from the theora_info struct instead of saving our own th_info
- struct between calls.
- The user might be doing something "clever" with the header packets if they
- are not using an Ogg encapsulation, and we don't want to break this.*/
- oc_theora_info2th_info(&info,_ci);
- /*We rely on the fact that theora_comment and th_comment structures are
- actually identical.
- Take care not to change this fact unless you change the code here as
- well!*/
- ret=th_decode_headerin(&info,(th_comment *)_cc,&api->setup,_op);
- /*We also rely on the fact that the error return code values are the same,
- and that the implementations of these two functions return the same set of
- them.
- Note that theora_decode_header() really can return OC_NOTFORMAT, even
- though it is not currently documented to do so.*/
- if(ret<0)return ret;
- th_info2theora_info(_ci,&info);
- return 0;
-}
-
-int theora_decode_packetin(theora_state *_td,ogg_packet *_op){
- th_api_wrapper *api;
- ogg_int64_t gp;
- int ret;
- if(!_td||!_td->i||!_td->i->codec_setup)return OC_FAULT;
- api=(th_api_wrapper *)_td->i->codec_setup;
- ret=th_decode_packetin(api->decode,_op,&gp);
- if(ret<0)return OC_BADPACKET;
- _td->granulepos=gp;
- return 0;
-}
-
-int theora_decode_YUVout(theora_state *_td,yuv_buffer *_yuv){
- th_api_wrapper *api;
- th_dec_ctx *decode;
- th_ycbcr_buffer buf;
- int ret;
- if(!_td||!_td->i||!_td->i->codec_setup)return OC_FAULT;
- api=(th_api_wrapper *)_td->i->codec_setup;
- decode=(th_dec_ctx *)api->decode;
- if(!decode)return OC_FAULT;
- ret=th_decode_ycbcr_out(decode,buf);
- if(ret>=0){
- _yuv->y_width=buf[0].width;
- _yuv->y_height=buf[0].height;
- _yuv->y_stride=buf[0].stride;
- _yuv->uv_width=buf[1].width;
- _yuv->uv_height=buf[1].height;
- _yuv->uv_stride=buf[1].stride;
- _yuv->y=buf[0].data;
- _yuv->u=buf[1].data;
- _yuv->v=buf[2].data;
- }
- return ret;
-}
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