Issue #1964 - Update libtremor.

Also removed mozilla patches that are already applied upstream.

media/libtremor/README_MCP

@@ -0,0 +1,7 @@
+The source from this directory was copied from the libtremor
+git repository using the update.sh script. The only changes
+made were those applied by update.sh and the addition/update of
+Makefile.in files for the UXP build system.
+
+The upstream release used was https://gitlab.xiph.org/xiph/tremor
+The git revision used was 7c30a66346199f3f09017a09567c6c8a3a0eedc8.

media/libtremor/README_MOZILLA

@@ -1,7 +0,0 @@
-The source from this directory was copied from the libtremor
-subversion repository using the update.sh script. The only changes
-made were those applied by update.sh and the addition/upate of
-Makefile.in files for the Mozilla build system.
-
-The upstream release used was http://svn.xiph.org/trunk/Tremor/
-The subversion revision used was r17547.

media/libtremor/bug1117571-r19420.patch

@@ -1,18 +0,0 @@
-diff -r 55f3224d7513 media/libtremor/lib/tremor_synthesis.c
---- a/media/libtremor/lib/tremor_synthesis.c	Sat Jan 03 20:02:33 2015 -0800
-+++ b/media/libtremor/lib/tremor_synthesis.c	Sun Jan 04 11:17:29 2015 -0800
-@@ -119,13 +119,13 @@ long vorbis_packet_blocksize(vorbis_info
-     while(v>1){
-       modebits++;
-       v>>=1;
-     }
- 
-     /* read our mode and pre/post windowsize */
-     mode=oggpack_read(&opb,modebits);
-   }
--  if(mode==-1)return(OV_EBADPACKET);
-+  if(mode==-1 || !ci->mode_param[mode])return(OV_EBADPACKET);
-   return(ci->blocksizes[ci->mode_param[mode]->blockflag]);
- }
- 
- 

media/libtremor/bug719612.patch

@@ -1,21 +0,0 @@
-diff --git a/media/libtremor/lib/tremor_floor1.c b/media/libtremor/lib/tremor_floor1.c
---- a/media/libtremor/lib/tremor_floor1.c
-+++ b/media/libtremor/lib/tremor_floor1.c
-@@ -103,16 +103,17 @@ static vorbis_info_floor *floor1_unpack 
- 
-   /* read the post list */
-   info->mult=oggpack_read(opb,2)+1;     /* only 1,2,3,4 legal now */ 
-   rangebits=oggpack_read(opb,4);
-   if(rangebits<0)goto err_out;
- 
-   for(j=0,k=0;j<info->partitions;j++){
-     count+=info->class_dim[info->partitionclass[j]]; 
-+    if(count>VIF_POSIT)goto err_out;
-     for(;k<count;k++){
-       int t=info->postlist[k+2]=oggpack_read(opb,rangebits);
-       if(t<0 || t>=(1<<rangebits))
- 	goto err_out;
-     }
-   }
-   info->postlist[0]=0;
-   info->postlist[1]=1<<rangebits;

media/libtremor/lib/misc.h

@@ -49,7 +49,9 @@ union magic {
   } halves;
   ogg_int64_t whole;
 };
-#elif BYTE_ORDER==BIG_ENDIAN
+#endif 
+
+#if BYTE_ORDER==BIG_ENDIAN
 union magic {
   struct {
     ogg_int32_t hi;

media/libtremor/lib/moz.build

@@ -1,4 +1,5 @@
 # -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
@@ -23,7 +24,7 @@ FINAL_LIBRARY = 'gkmedias'
 if CONFIG['OS_ARCH'] == 'AIX':
     DEFINES['alloca'] = '__alloca'
 
-if CONFIG['TARGET_CPU'] == 'arm' and CONFIG['GNU_CC'] and not CONFIG['MOZ_THUMB2']:
+if CONFIG['CPU_ARCH'] == 'arm' and CONFIG['CC_TYPE'] in ('clang', 'gcc') and not CONFIG['MOZ_THUMB2']:
     DEFINES['_ARM_ASSEM_'] = True
 
 LOCAL_INCLUDES += [

media/libtremor/lib/tremor_floor0.c

@@ -328,6 +328,7 @@ static vorbis_info_floor *floor0_unpack (vorbis_info *vi,oggpack_buffer *opb){
     info->books[j]=oggpack_read(opb,8);
     if(info->books[j]<0 || info->books[j]>=ci->books)goto err_out;
     if(ci->book_param[info->books[j]]->maptype==0)goto err_out;
+    if(ci->book_param[info->books[j]]->dim<1)goto err_out;
   }
   return(info);
 

media/libtremor/lib/tremor_floor1.c

@@ -426,7 +426,7 @@ static int floor1_inverse2(vorbis_block *vb,vorbis_look_floor *in,void *memo,
     int hx=0;
     int lx=0;
     int ly=fit_value[0]*info->mult;
-    /* guard lookup against out-of-rage values */
+    /* guard lookup against out-of-range values */
     ly=(ly<0?0:ly>255?255:ly);
 
     for(j=1;j<look->posts;j++){
@@ -436,10 +436,9 @@ static int floor1_inverse2(vorbis_block *vb,vorbis_look_floor *in,void *memo,
 	
 	hx=info->postlist[current];
 	hy*=info->mult;
-        /* guard lookup against out-of-rage values */
+        /* guard lookup against out-of-range values */
         hy=(hy<0?0:hy>255?255:hy);
 
-
 	render_line(n,lx,hx,ly,hy,out);
 	
 	lx=hx;

media/libtremor/lib/tremor_info.c

@@ -227,7 +227,6 @@ static int _vorbis_unpack_comment(vorbis_comment *vc,oggpack_buffer *opb){
 static int _vorbis_unpack_books(vorbis_info *vi,oggpack_buffer *opb){
   codec_setup_info     *ci=(codec_setup_info *)vi->codec_setup;
   int i;
-  if(!ci)return(OV_EFAULT);
 
   /* codebooks */
   ci->books=oggpack_read(opb,8)+1;
@@ -367,6 +366,10 @@ int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op)
 	  /* um... we didn't get the initial header */
 	  return(OV_EBADHEADER);
 	}
+        if(vc->vendor!=NULL){
+          /* previously initialized comment header */
+          return(OV_EBADHEADER);
+        }
 
 	return(_vorbis_unpack_comment(vc,&opb));
 
@@ -375,6 +378,14 @@ int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op)
 	  /* um... we didn;t get the initial header or comments yet */
 	  return(OV_EBADHEADER);
 	}
+        if(vi->codec_setup==NULL){
+          /* improperly initialized vorbis_info */
+          return(OV_EFAULT);
+        }
+        if(((codec_setup_info *)vi->codec_setup)->books>0){
+          /* previously initialized setup header */
+          return(OV_EBADHEADER);
+        }
 
 	return(_vorbis_unpack_books(vi,&opb));
 

media/libtremor/lib/tremor_mdct.c

@@ -13,7 +13,7 @@
 
  function: normalized modified discrete cosine transform
            power of two length transform only [64 <= n ]
- last mod: $Id: mdct.c,v 1.9 2002/10/16 09:17:39 xiphmont Exp $
+ last mod: $Id$
 
  Original algorithm adapted long ago from _The use of multirate filter
  banks for coding of high quality digital audio_, by T. Sporer,

media/libtremor/lib/tremor_synthesis.c

@@ -67,7 +67,7 @@ static int _vorbis_synthesis1(vorbis_block *vb,ogg_packet *op,int decodep){
   
   /* more setup */
   vb->granulepos=op->granulepos;
-  vb->sequence=op->packetno-3; /* first block is third packet */
+  vb->sequence=op->packetno; /* first block is third packet */
   vb->eofflag=op->e_o_s;
 
   if(decodep){

media/libtremor/update.sh

@@ -30,5 +30,5 @@ cp $1/ivorbiscodec.h ./include/tremor/ivorbiscodec.h
 cp $1/os.h ./lib/os.h
 cp $1/COPYING ./COPYING
 cp $1/README ./README
-patch -p3 < ./bug719612.patch
-patch -p3 < ./bug1117571-r19420.patch
+
+echo "Remember to update the version details at README_MCP."