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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/libtheora/lib/fragment.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libtheora/lib/fragment.c')
-rw-r--r--media/libtheora/lib/fragment.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/media/libtheora/lib/fragment.c b/media/libtheora/lib/fragment.c
new file mode 100644
index 000000000..4ba6af1b7
--- /dev/null
+++ b/media/libtheora/lib/fragment.c
@@ -0,0 +1,82 @@
+/********************************************************************
+ * *
+ * 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: fragment.c 17410 2010-09-21 21:53:48Z tterribe $
+
+ ********************************************************************/
+#include <string.h>
+#include "internal.h"
+
+void oc_frag_copy_c(unsigned char *_dst,const unsigned char *_src,int _ystride){
+ int i;
+ for(i=8;i-->0;){
+ memcpy(_dst,_src,8*sizeof(*_dst));
+ _dst+=_ystride;
+ _src+=_ystride;
+ }
+}
+
+/*Copies the fragments specified by the lists of fragment indices from one
+ frame to another.
+ _dst_frame: The reference frame to copy to.
+ _src_frame: The reference frame to copy from.
+ _ystride: The row stride of the reference frames.
+ _fragis: A pointer to a list of fragment indices.
+ _nfragis: The number of fragment indices to copy.
+ _frag_buf_offs: The offsets of fragments in the reference frames.*/
+void oc_frag_copy_list_c(unsigned char *_dst_frame,
+ const unsigned char *_src_frame,int _ystride,
+ const ptrdiff_t *_fragis,ptrdiff_t _nfragis,const ptrdiff_t *_frag_buf_offs){
+ ptrdiff_t fragii;
+ for(fragii=0;fragii<_nfragis;fragii++){
+ ptrdiff_t frag_buf_off;
+ frag_buf_off=_frag_buf_offs[_fragis[fragii]];
+ oc_frag_copy_c(_dst_frame+frag_buf_off,
+ _src_frame+frag_buf_off,_ystride);
+ }
+}
+
+void oc_frag_recon_intra_c(unsigned char *_dst,int _ystride,
+ const ogg_int16_t _residue[64]){
+ int i;
+ for(i=0;i<8;i++){
+ int j;
+ for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+128);
+ _dst+=_ystride;
+ }
+}
+
+void oc_frag_recon_inter_c(unsigned char *_dst,
+ const unsigned char *_src,int _ystride,const ogg_int16_t _residue[64]){
+ int i;
+ for(i=0;i<8;i++){
+ int j;
+ for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+_src[j]);
+ _dst+=_ystride;
+ _src+=_ystride;
+ }
+}
+
+void oc_frag_recon_inter2_c(unsigned char *_dst,const unsigned char *_src1,
+ const unsigned char *_src2,int _ystride,const ogg_int16_t _residue[64]){
+ int i;
+ for(i=0;i<8;i++){
+ int j;
+ for(j=0;j<8;j++)_dst[j]=OC_CLAMP255(_residue[i*8+j]+(_src1[j]+_src2[j]>>1));
+ _dst+=_ystride;
+ _src1+=_ystride;
+ _src2+=_ystride;
+ }
+}
+
+void oc_restore_fpu_c(void){}