From c08be4485b9e15461578527f568219459db2036c Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
Date: Wed, 17 Jun 2009 23:23:46 -0400
Subject: Implemented "raw bits"

Making it so all the information encoded directly with ec_enc_bits() gets
stored at the end of the stream, without going through the range coder. This
should be both faster and reduce the effects of bit errors.

Conflicts:

	tests/ectest.c
---
 tests/ectest.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

(limited to 'tests')

diff --git a/tests/ectest.c b/tests/ectest.c
index e861dfb..397a29e 100644
--- a/tests/ectest.c
+++ b/tests/ectest.c
@@ -11,6 +11,7 @@
 #include "entcode.h"
 #include "entenc.h"
 #include "entdec.h"
+#include <string.h>
 
 #include "../libcelt/rangeenc.c"
 #include "../libcelt/rangedec.c"
@@ -21,6 +22,8 @@
 #ifndef M_LOG2E
 # define M_LOG2E    1.4426950408889634074
 #endif
+#define DATA_SIZE 10000000
+#define DATA_SIZE2 10000
 
 int main(int _argc,char **_argv){
   ec_byte_buffer buf;
@@ -38,7 +41,7 @@ int main(int _argc,char **_argv){
   unsigned int   seed;
   ret=0;
   entropy=0;
-
+  unsigned char *ptr;
     if (_argc > 2) {
 	fprintf(stderr, "Usage: %s [<seed>]\n", _argv[0]);
 	return 1;
@@ -48,7 +51,8 @@ int main(int _argc,char **_argv){
     else
 	seed = (time(NULL) ^ (getpid()%(1<<16) << 16));
   /*Testing encoding of raw bit values.*/
-  ec_byte_writeinit(&buf);
+  ptr = malloc(DATA_SIZE);
+  ec_byte_writeinit_buffer(&buf, ptr, DATA_SIZE);
   ec_enc_init(&enc,&buf);
   for(ft=2;ft<1024;ft++){
     for(i=0;i<ft;i++){
@@ -76,7 +80,7 @@ int main(int _argc,char **_argv){
    "Encoded %0.2lf bits of entropy to %0.2lf bits (%0.3lf%% wasted).\n",
    entropy,ldexp(nbits,-4),100*(nbits-ldexp(entropy,4))/nbits);
   fprintf(stderr,"Packed to %li bytes.\n",(long)(buf.ptr-buf.buf));
-  ec_byte_readinit(&buf,ec_byte_get_buffer(&buf),ec_byte_bytes(&buf));
+  ec_byte_readinit(&buf,ptr,DATA_SIZE);
   ec_dec_init(&dec,&buf);
   for(ft=2;ft<1024;ft++){
     for(i=0;i<ft;i++){
@@ -114,7 +118,7 @@ int main(int _argc,char **_argv){
     ft=rand()/((RAND_MAX>>(rand()%11))+1)+10;
     sz=rand()/((RAND_MAX>>(rand()%9))+1);
     data=(unsigned *)malloc(sz*sizeof(*data));
-    ec_byte_writeinit(&buf);
+    ec_byte_writeinit_buffer(&buf, ptr, DATA_SIZE2);
     ec_enc_init(&enc,&buf);
     zeros = rand()%13==0;
     for(j=0;j<sz;j++){
@@ -136,7 +140,7 @@ int main(int _argc,char **_argv){
       ret=-1;
     }
     tell_bits -= 8*ec_byte_bytes(&buf);
-    ec_byte_readinit(&buf,ec_byte_get_buffer(&buf),ec_byte_bytes(&buf));
+    ec_byte_readinit(&buf,ptr,DATA_SIZE2);
     ec_dec_init(&dec,&buf);
     for(j=0;j<sz;j++){
       sym=ec_dec_uint(&dec,ft);
@@ -150,5 +154,6 @@ int main(int _argc,char **_argv){
     ec_byte_writeclear(&buf);
     free(data);
   }
+  free(ptr);
   return ret;
 }
-- 
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