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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /media/libtheora/lib/fragment.c
parentInitial commit. (diff)
downloadfirefox-esr-37a0381f8351b370577b65028ba1f6563ae23fdf.tar.xz
firefox-esr-37a0381f8351b370577b65028ba1f6563ae23fdf.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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
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+++ 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: $Id$
+
+ ********************************************************************/
+#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){}