denuvo-ref/precomp-cpp
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This commit is contained in:
Christian Schneider 2017-12-26 10:16:33 +01:00
parent 1cfd08a703
commit dd51283f2c
2 changed files with 130 additions and 130 deletions
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92
precomp.cpp
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@ -2712,13 +2712,13 @@ int inf(FILE *source, int windowbits, int& compressed_stream_size, int& decompre
unsigned char* buf_ptr;
do {
strm.avail_out = CHUNK;
if (in_memory) {
if (in_memory) {
buf_ptr = decomp_io_buf + decompressed_stream_size;
strm.next_out = buf_ptr;
}
else {
}
else {
strm.next_out = out;
}
}
ret = inflate(&strm, Z_NO_FLUSH);
switch (ret) {
@ -2742,14 +2742,14 @@ int inf(FILE *source, int windowbits, int& compressed_stream_size, int& decompre
safe_fclose(&ftempout);
return Z_ERRNO;
}
}
else {
if ((decompressed_stream_size + have + CHUNK) >= MAX_IO_BUFFER_SIZE) {
in_memory = false;
write_ftempout_if_not_present(decompressed_stream_size + have, true, true);
}
}
decompressed_stream_size += have;
}
else {
if ((decompressed_stream_size + have + CHUNK) >= MAX_IO_BUFFER_SIZE) {
in_memory = false;
write_ftempout_if_not_present(decompressed_stream_size + have, true, true);
}
}
decompressed_stream_size += have;
} while (strm.avail_out == 0);
@ -4241,12 +4241,12 @@ bool compress_file(float min_percent, float max_percent) {
if ((type == MPEG1_LAYER_III) && (frame_size > 4)) {
unsigned char header2 = in[2];
unsigned char header3 = in[3];
if (fread(in, 1, frame_size - 4, fin) != (unsigned int)(frame_size - 4)) {
// discard incomplete frame
n--;
mp3_length -= frame_size;
break;
}
if (fread(in, 1, frame_size - 4, fin) != (unsigned int)(frame_size - 4)) {
// discard incomplete frame
n--;
mp3_length -= frame_size;
break;
}
if (!is_valid_mp3_frame(in, header2, header3, protection)) {
n = 0;
break;
@ -6004,7 +6004,7 @@ int try_to_decompress(FILE* file, int windowbits, int& compressed_stream_size, b
if (file == fin) {
seek_64(file, input_file_pos);
} else {
seek_64(file, 0);
seek_64(file, 0);
}
in_memory = true;
@ -6050,12 +6050,12 @@ void try_recompress(FILE* origfile, int comp_level, int mem_level, int windowbit
printf ("Identical decompressed bytes: %i of %i\n", identical_bytes_decomp, decomp_bytes_total);
}
bool enough_identical_compressed_bytes = (identical_bytes == compressed_stream_size);
if (!enough_identical_compressed_bytes) {
if ((identical_bytes > DEF_COMPARE_CHUNK) && (identical_bytes + IDENTICAL_COMPRESSED_BYTES_TOLERANCE >= compressed_stream_size)) {
enough_identical_compressed_bytes = true;
}
}
bool enough_identical_compressed_bytes = (identical_bytes == compressed_stream_size);
if (!enough_identical_compressed_bytes) {
if ((identical_bytes > DEF_COMPARE_CHUNK) && (identical_bytes + IDENTICAL_COMPRESSED_BYTES_TOLERANCE >= compressed_stream_size)) {
enough_identical_compressed_bytes = true;
}
}
final_compression_found = (identical_bytes_decomp == decomp_bytes_total) && (enough_identical_compressed_bytes) && (penalty_bytes_len < PENALTY_BYTES_TOLERANCE);
@ -6103,14 +6103,14 @@ void try_recompress_bzip2(FILE* origfile, int level, int& compressed_stream_size
printf ("Identical decompressed bytes: %i of %i\n", identical_bytes_decomp, decomp_bytes_total);
}
bool enough_identical_compressed_bytes = (identical_bytes == compressed_stream_size);
if (!enough_identical_compressed_bytes) {
if ((identical_bytes > DEF_COMPARE_CHUNK) && (identical_bytes + IDENTICAL_COMPRESSED_BYTES_TOLERANCE >= compressed_stream_size)) {
enough_identical_compressed_bytes = true;
}
}
bool enough_identical_compressed_bytes = (identical_bytes == compressed_stream_size);
if (!enough_identical_compressed_bytes) {
if ((identical_bytes > DEF_COMPARE_CHUNK) && (identical_bytes + IDENTICAL_COMPRESSED_BYTES_TOLERANCE >= compressed_stream_size)) {
enough_identical_compressed_bytes = true;
}
}
final_compression_found = (identical_bytes_decomp == decomp_bytes_total) && (enough_identical_compressed_bytes) && (penalty_bytes_len < PENALTY_BYTES_TOLERANCE);
final_compression_found = (identical_bytes_decomp == decomp_bytes_total) && (enough_identical_compressed_bytes) && (penalty_bytes_len < PENALTY_BYTES_TOLERANCE);
}
best_identical_bytes_decomp = identical_bytes_decomp;
@ -8059,21 +8059,21 @@ bool is_valid_mp3_frame(unsigned char* frame_data, unsigned char header2, unsign
}
/* -----------------------------------------------
calculate frame crc
----------------------------------------------- */
calculate frame crc
----------------------------------------------- */
inline unsigned short mp3_calc_layer3_crc(unsigned char header2, unsigned char header3, unsigned char* sideinfo, int sidesize)
{
// crc has a start value of 0xFFFF
unsigned short crc = 0xFFFF;
// crc has a start value of 0xFFFF
unsigned short crc = 0xFFFF;
// process two last bytes from header...
crc = (crc << 8) ^ crc_table[(crc>>8) ^ header2];
crc = (crc << 8) ^ crc_table[(crc>>8) ^ header3];
// ... and all the bytes from the side information
for ( int i = 0; i < sidesize; i++ )
crc = (crc << 8) ^ crc_table[(crc>>8) ^ sideinfo[i]];
// process two last bytes from header...
crc = (crc << 8) ^ crc_table[(crc>>8) ^ header2];
crc = (crc << 8) ^ crc_table[(crc>>8) ^ header3];
// ... and all the bytes from the side information
for ( int i = 0; i < sidesize; i++ )
crc = (crc << 8) ^ crc_table[(crc>>8) ^ sideinfo[i]];
return crc;
return crc;
}
void try_decompression_zlib(int windowbits) {
@ -9522,7 +9522,7 @@ void init_compress_otf() {
}
case OTF_XZ_MT: {
uint64_t memory_usage = 0;
uint64_t block_size = 0;
uint64_t block_size = 0;
uint64_t max_memory = compression_otf_max_memory * 1024 * 1024LL;
int threads = compression_otf_thread_count;
@ -9545,8 +9545,8 @@ void init_compress_otf() {
printf("Compressing with LZMA, %i thread%s, memory usage: ", threads, plural.c_str());
print64(memory_usage / (1024 * 1024));
printf(" MiB, block size: ");
print64(block_size / (1024 * 1024));
printf(" MiB\n\n");
print64(block_size / (1024 * 1024));
printf(" MiB\n\n");
break;
}
}