denuvo-ref/precomp-cpp
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64 MB I/O buffer not only for JPG

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This commit is contained in:
Christian Schneider 2017-08-28 16:52:47 +02:00
parent ff138f39f7
commit 36a96bd95e
2 changed files with 4 additions and 4 deletions
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2
contrib/packjpg/precomp_jpg.h
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@ -1,5 +1,3 @@
#define JPG_MAX_MEMORY_SIZE 64 * 1024 * 1024
// Motion JPEG DHT header
// JPEG DHT Segment for YCrCb omitted from MJPEG data

6
precomp.cpp
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@ -101,6 +101,8 @@ using namespace std;
#define IN_BUF_SIZE 65536 //input buffer
#define PENALTY_BYTES_TOLERANCE 160
#define MAX_IO_BUFFER_SIZE 64 * 1024 * 1024
unsigned char copybuf[COPY_BUF_SIZE];
unsigned char in_buf[IN_BUF_SIZE];
@ -5255,7 +5257,7 @@ while (fin_pos < fin_length) {
unsigned char* jpg_mem_in = NULL;
unsigned char* jpg_mem_out = NULL;
unsigned int jpg_mem_out_size = -1;
bool in_memory = (recompressed_data_length <= JPG_MAX_MEMORY_SIZE);
bool in_memory = (recompressed_data_length <= MAX_IO_BUFFER_SIZE);
bool recompress_success = false;
if (in_memory) {
@ -7684,7 +7686,7 @@ void try_decompression_jpg (long long jpg_length, bool progressive_jpg) {
unsigned char* jpg_mem_in = NULL;
unsigned char* jpg_mem_out = NULL;
unsigned int jpg_mem_out_size = -1;
bool in_memory = ((jpg_length + MJPGDHT_LEN) <= JPG_MAX_MEMORY_SIZE);
bool in_memory = ((jpg_length + MJPGDHT_LEN) <= MAX_IO_BUFFER_SIZE);
if (in_memory) { // small stream => do everything in memory
jpg_mem_in = new unsigned char[jpg_length + MJPGDHT_LEN];