X-Git-Url: https://git.llucax.com/z.facultad/75.06/jacu.git/blobdiff_plain/fecff0df7697f3fa9351eee19c4cd30711c2b68e..eb5347f4df35aaa5266fcbd04112ae4cc1cf41b1:/src/jacu.c?ds=sidebyside

diff --git a/src/jacu.c b/src/jacu.c
index f0c3444..baf28da 100644
--- a/src/jacu.c
+++ b/src/jacu.c
@@ -1,4 +1,5 @@
 
+/* Jacu Team - GPL */
 #include "blocksorting/bs.h"
 #include "mtf/mtf.h"
 #include "zerogrouping/zerogrouping.h"
@@ -99,9 +100,9 @@ int main(int argc, char* argv[])
 		/* Comprimo */		
 		FILE *fp;
 		Uint32 i, j, total, k;
-		char *mtf;
-		char *salida, *data;
-		char *z;
+		unsigned char *mtf;
+		unsigned char *salida, *data;
+		unsigned char *z;
 		int z_len;
 		
 		/* Preparo el compresor huffman */
@@ -109,8 +110,8 @@ int main(int argc, char* argv[])
 		if (mflag == 1) shuff_loadmodel(shuff,staticmodel);
 		
 		/* Preparo el BS alocando mem para el K, el Block y su Size */
-		data = malloc(sizeof(char)*pagesize);
-		salida = malloc(sizeof(char)*pagesize+sizeof(Uint32)*2);
+		data = malloc(sizeof(unsigned char)*pagesize);
+		salida = malloc(sizeof(unsigned char)*pagesize+sizeof(Uint32)*2);
 		bs = bs_create(pagesize);
 
 		/* Abrimos el archivo a comprimir y encodeamos bloques */
@@ -130,28 +131,9 @@ int main(int argc, char* argv[])
 			/* Aplico el BlockSorting */
 			bs_solve(data, salida, bs, &k, i);
 
-			/*printf("BS k=%ld\n", *(Uint32 *)(salida+sizeof(Uint32)));
-			printf("PageSize = %ld\n", *(Uint32 *)salida);
-
-			printf("Antes de MTF = %ld [", i);
-			{
-				int ii;
-				for(ii=0; ii<(i+sizeof(Uint32)); ii++)
-					printf("(%c)", salida[ii+sizeof(Uint32)]);
-				printf("]\n");
-			}*/
-			
 			/* Le aplico el MTF, salteo el tamaño del bloque para que no se pierda. */
 			mtf = jacu_mtf(salida+sizeof(Uint32), i+sizeof(Uint32), &z, &z_len);
-/*
-			printf("MTF Z (len=%d) = [", z_len);
-			{
-				int ii;
-				for(ii=0; ii<z_len; ii++)
-					printf("(%c)", z[ii]);
-				printf("]\n");
-
-			}*/
+			
 			/* Si me lo piden, aplico ZG. */
 			if (zflag) {
 				size_t len;
@@ -195,58 +177,32 @@ int main(int argc, char* argv[])
 	if (dflag == 1) { 
 		/* Descomprimo */
 		FILE *fp_out;
-		FILE *fp_in;
+		/*FILE *fp_in;*/
 		Uint32 block_size, k;
-		char *block, *mtf, *orig;
-		char *z;
-		int z_len;
+		unsigned char *block, *mtf, *orig;
+		unsigned char *z;
+		int z_len,moredata = 0,decoded = 0;
 
-		if ((shuff = shuff_init_decoder(argv[optind],"tmp.comp")) == NULL) return 1;
-		shuff_decode_file(shuff);
-		shuff_deinit_decoder(shuff);
-		free(shuff);
-		
-		fp_in = fopen("tmp.comp", "rb");
+		/* Inicializo el descompresor */
+		if ((shuff = shuff_init_decoder(argv[optind],NULL)) == NULL) return 1;
+				
+		/* Abrimos el archivo de salida */
 		fp_out = fopen(argv[optind+1], "wb");
 
-		while (!feof(fp_in)) {
-			block_size = 0;
-			fread(&block_size, sizeof(Uint32), 1, fp_in);
+		/* Descomprimimos de a chunks segun convenga */
+		do {
+			block_size = 0;						
+			moredata = shuff_decode_chunk(shuff,(char*)&block_size,sizeof(Uint32),&decoded);
 			if (block_size > 0) {
-				fread(&z_len, sizeof(int), 1, fp_in);
-				z = malloc(sizeof(char)*z_len);
-				fread(z, z_len, sizeof(char), fp_in);
+				moredata = shuff_decode_chunk(shuff,(char*)&z_len,sizeof(int),&decoded);				
+				z = malloc(sizeof(unsigned char)*z_len);
+				moredata = shuff_decode_chunk(shuff,z,z_len,&decoded);				
 
-				/*printf("MTF Z (len=%d) = [", z_len);
-				{
-					int ii;
-					for(ii=0; ii<z_len; ii++)
-						printf("(%c)", z[ii]);
-					printf("]\n");
-	
-				}*/
-				
-				block = malloc(block_size*sizeof(char)+sizeof(Uint32));
-				orig = malloc(block_size*sizeof(char));
-				fread(block, block_size+sizeof(Uint32), sizeof(char), fp_in);
+				block = malloc(block_size*sizeof(unsigned char)+sizeof(Uint32));
+				orig = malloc(block_size*sizeof(unsigned char));
+				moredata = shuff_decode_chunk(shuff,block,block_size+sizeof(Uint32),&decoded);				
 
-				/*printf("Antes MTF_inv = [");
-				{
-					int ii;
-					for(ii=0; ii<block_size+sizeof(Uint32); ii++)
-						printf("(%c)", block[ii]);
-					printf("]\n");
-				}*/
-				/* Hago el MTF inverso */
-				mtf = jacu_mtf_inv(z, block, block_size*sizeof(char)+sizeof(Uint32));
-
-				/*printf("Luego de MTF Inv= [");
-				{
-					int ii;
-					for(ii=0; ii<block_size+sizeof(Uint32); ii++)
-						printf("(%c)", mtf[ii]);
-					printf("]\n");
-				}*/
+				mtf = jacu_mtf_inv(z, block, block_size*sizeof(unsigned char)+sizeof(Uint32));
 
 				/* Luego de hacer el MTF inverso ya puedo recuperar el k */
 				memcpy(&k, mtf, sizeof(Uint32));
@@ -254,15 +210,20 @@ int main(int argc, char* argv[])
 				/*printf("Restored : k=%ld\n", k);*/
 				bs_restore(orig, mtf+sizeof(Uint32), k, block_size);
 
-				fwrite(orig, block_size, sizeof(char), fp_out);
+				fwrite(orig, block_size, sizeof(unsigned char), fp_out);
 				free(block);
 				free(orig);
 				free(mtf);
 				free(z);
 			}
-		}
-		fclose(fp_in);
+		} while (moredata);		
+		
+		/* Close up files */
 		fclose(fp_out);
+		
+		/* Shutdown Huffman */
+		shuff_deinit_decoder(shuff);
+		free(shuff);
 	}
 
 	return 0;