denuvo-ref/precomp-cpp
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Undo context-dependent MTF

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This commit is contained in:
Christian Schneider 2017-12-25 11:14:05 +01:00
parent 848c801f23
commit e63e4898ab
1 changed files with 21 additions and 21 deletions
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42
precomp.cpp
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@ -193,7 +193,7 @@ int old_lzma_progress_text_length = -1;
int lzma_mib_total = 0, lzma_mib_written = 0;
int comp_mem_level_count[81];
zLibMTF SWF_MTF, PNG_MTF, mPNG_MTF, PDF_MTF, ZIP_MTF[4], GZIP_MTF[4], MTF[4];
zLibMTF MTF;
bool zlib_level_was_used[81];
bool anything_was_used;
bool level_switch_used = false;
@ -3185,14 +3185,14 @@ void try_decompression_pdf(int windowbits, int pdf_header_length, int img_width,
printf("Compressed size: %i\n", compressed_stream_size);
printf ("Can be decompressed to %i bytes\n", retval);
}
for (int index = PDF_MTF.First(); index>=0; index=PDF_MTF.Next()){
for (int index = MTF.First(); index>=0; index=MTF.Next()){
if (comp_mem_level_count[index] == -1) break;
int comp_level = (index % 9) + 1;
int mem_level = (index / 9) + 1;
try_recompress(fin, comp_level, mem_level, windowbits, compressed_stream_size, retval, in_memory);
if (final_compression_found){ PDF_MTF.Update(); break; }
if (final_compression_found){ MTF.Update(); break; }
}
if ((best_identical_bytes > min_ident_size) && (best_identical_bytes < best_identical_bytes_decomp)) {
@ -3435,16 +3435,16 @@ void try_decompression_zip(int zip_header_length) {
printf("Compressed size: %i\n", compressed_stream_size);
printf ("Can be decompressed to %i bytes\n", retval);
}
int k = min(3, recursion_depth);
for (windowbits = -15; windowbits < -7; windowbits++) {
for (int index = ZIP_MTF[k].First(); index>=0; index=ZIP_MTF[k].Next()){
for (int index = MTF.First(); index>=0; index=MTF.Next()){
if (comp_mem_level_count[index] == -1) break;
int comp_level = (index % 9) + 1;
int mem_level = (index / 9) + 1;
try_recompress(fin, comp_level, mem_level, windowbits, compressed_stream_size, retval, in_memory);
if (final_compression_found){ ZIP_MTF[k].Update(); break; }
if (final_compression_found){ MTF.Update(); break; }
}
if (final_compression_found) break;
}
@ -6704,16 +6704,16 @@ void try_decompression_gzip(int gzip_header_length) {
printf("Compressed size: %i\n", compressed_stream_size);
printf ("Can be decompressed to %i bytes\n", retval);
}
int k = min(3, recursion_depth);
for (windowbits = -15; windowbits < -7; windowbits++) {
for (int index = GZIP_MTF[k].First(); index>=0; index=GZIP_MTF[k].Next()){
for (int index = MTF.First(); index>=0; index=MTF.Next()){
if (comp_mem_level_count[index] == -1) break;
int comp_level = (index % 9) + 1;
int mem_level = (index / 9) + 1;
try_recompress(fin, comp_level, mem_level, windowbits, compressed_stream_size, retval, in_memory);
if (final_compression_found){ GZIP_MTF[k].Update(); break; }
if (final_compression_found){ MTF.Update(); break; }
}
if (final_compression_found) break;
}
@ -6839,14 +6839,14 @@ void try_decompression_png (int windowbits) {
printf ("Can be decompressed to %i bytes\n", retval);
}
for (int index = PNG_MTF.First(); index>=0; index=PNG_MTF.Next()){
for (int index = MTF.First(); index>=0; index=MTF.Next()){
if (comp_mem_level_count[index] == -1) break;
int comp_level = (index % 9) + 1;
int mem_level = (index / 9) + 1;
try_recompress(fin, comp_level, mem_level, windowbits, compressed_stream_size, retval, in_memory);
if (final_compression_found){ PNG_MTF.Update(); break; }
if (final_compression_found){ MTF.Update(); break; }
}
if ((best_identical_bytes > min_ident_size) && (best_identical_bytes < best_identical_bytes_decomp)) {
@ -6954,14 +6954,14 @@ void try_decompression_png_multi(int windowbits) {
printf ("Can be decompressed to %i bytes\n", retval);
}
for (int index = mPNG_MTF.First(); index>=0; index=mPNG_MTF.Next()){
for (int index = MTF.First(); index>=0; index=MTF.Next()){
if (comp_mem_level_count[index] == -1) break;
int comp_level = (index % 9) + 1;
int mem_level = (index / 9) + 1;
try_recompress(fin, comp_level, mem_level, windowbits, compressed_stream_size, retval, in_memory);
if (final_compression_found){ mPNG_MTF.Update(); break; }
if (final_compression_found){ MTF.Update(); break; }
}
if ((best_identical_bytes > min_ident_size) && (best_identical_bytes < best_identical_bytes_decomp)) {
@ -8097,15 +8097,15 @@ void try_decompression_zlib(int windowbits) {
printf("Compressed size: %i\n", compressed_stream_size);
printf ("Can be decompressed to %i bytes\n", retval);
}
int k = min(3, recursion_depth);
for (int index = MTF[k].First(); index>=0; index=MTF[k].Next()){
for (int index = MTF.First(); index>=0; index=MTF.Next()){
if (comp_mem_level_count[index] == -1) break;
int comp_level = (index % 9) + 1;
int mem_level = (index / 9) + 1;
try_recompress(fin, comp_level, mem_level, windowbits, compressed_stream_size, retval, in_memory);
if (final_compression_found){ MTF[k].Update(); break; }
if (final_compression_found){ MTF.Update(); break; }
}
if ((best_identical_bytes > min_ident_size_intense_brute_mode) && (best_identical_bytes < best_identical_bytes_decomp)) {
@ -8229,16 +8229,16 @@ void try_decompression_brute() {
printf("Compressed size: %i\n", compressed_stream_size);
printf ("Can be decompressed to %i bytes\n", retval);
}
int k = min(3, recursion_depth);
for (windowbits = -15; windowbits < -7; windowbits++) {
for (int index = MTF[k].First(); index>=0; index=MTF[k].Next()){
for (int index = MTF.First(); index>=0; index=MTF.Next()){
if (comp_mem_level_count[index] == -1) break;
int comp_level = (index % 9) + 1;
int mem_level = (index / 9) + 1;
try_recompress(fin, comp_level, mem_level, windowbits, compressed_stream_size, retval, in_memory);
if (final_compression_found){ MTF[k].Update(); break; }
if (final_compression_found){ MTF.Update(); break; }
}
if (final_compression_found) break;
}
@ -8355,14 +8355,14 @@ void try_decompression_swf(int windowbits) {
printf ("Can be decompressed to %i bytes\n", retval);
}
for (int index = SWF_MTF.First(); index>=0; index=SWF_MTF.Next()){
for (int index = MTF.First(); index>=0; index=MTF.Next()){
if (comp_mem_level_count[index] == -1) break;
int comp_level = (index % 9) + 1;
int mem_level = (index / 9) + 1;
try_recompress(fin, comp_level, mem_level, windowbits, compressed_stream_size, retval, in_memory);
if (final_compression_found){ SWF_MTF.Update(); break; }
if (final_compression_found){ MTF.Update(); break; }
}
if ((best_identical_bytes > min_ident_size) && (best_identical_bytes < best_identical_bytes_decomp)) {