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-rw-r--r--indra/integration_tests/llimage_libtest/llimage_libtest.cpp31
-rw-r--r--indra/llimage/llimage.h13
-rw-r--r--indra/llimage/llimagej2c.cpp4
-rw-r--r--indra/llimage/llimagej2c.h4
-rw-r--r--indra/llimagej2coj/llimagej2coj.cpp2
-rw-r--r--indra/llimagej2coj/llimagej2coj.h2
-rw-r--r--indra/llkdu/llimagej2ckdu.cpp37
-rw-r--r--indra/llkdu/llimagej2ckdu.h3
-rw-r--r--indra/llkdu/tests/llimagej2ckdu_test.cpp1
9 files changed, 80 insertions, 17 deletions
diff --git a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp
index 60ddf63b21..976aae08bb 100644
--- a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp
+++ b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp
@@ -70,6 +70,10 @@ static const char USAGE[] = "\n"
" be used. Blocks must be smaller than precincts. Like precincts, this option adds\n"
" PLT, tile markers and uses RPCL.\n"
" Only valid for output j2c images. Default is 64.\n"
+" -l, --levels <n>\n"
+" Number of decomposition levels (aka discard levels) in the output image.\n"
+" The maximum number of levels authorized is 32.\n"
+" Only valid for output j2c images. Default is 5.\n"
" -rev, --reversible\n"
" Set the compression to be lossless (reversible in j2c parlance).\n"
" Only valid for output j2c images.\n"
@@ -147,7 +151,7 @@ LLPointer<LLImageRaw> load_image(const std::string &src_filename, int discard_le
}
// Save a raw image instance into a file
-bool save_image(const std::string &dest_filename, LLPointer<LLImageRaw> raw_image, int blocks_size, int precincts_size, bool reversible, bool output_stats)
+bool save_image(const std::string &dest_filename, LLPointer<LLImageRaw> raw_image, int blocks_size, int precincts_size, int levels, bool reversible, bool output_stats)
{
LLPointer<LLImageFormatted> image = create_image(dest_filename);
@@ -156,9 +160,9 @@ bool save_image(const std::string &dest_filename, LLPointer<LLImageRaw> raw_imag
{
// That method doesn't exist (and likely, doesn't make sense) for any other image file format
// hence the required cryptic cast.
- if ((blocks_size != -1) || (precincts_size != -1))
+ if ((blocks_size != -1) || (precincts_size != -1) || (levels != 0))
{
- ((LLImageJ2C*)(image.get()))->initEncode(*raw_image, blocks_size, precincts_size);
+ ((LLImageJ2C*)(image.get()))->initEncode(*raw_image, blocks_size, precincts_size, levels);
}
((LLImageJ2C*)(image.get()))->setReversible(reversible);
}
@@ -306,6 +310,7 @@ int main(int argc, char** argv)
int discard_level = -1;
int precincts_size = -1;
int blocks_size = -1;
+ int levels = 0;
bool reversible = false;
// Init whatever is necessary
@@ -403,7 +408,6 @@ int main(int argc, char** argv)
else
{
precincts_size = atoi(value_str.c_str());
- // *TODO: make sure precincts_size is a power of 2
}
}
else if (!strcmp(argv[arg], "--blocks") || !strcmp(argv[arg], "-b"))
@@ -420,7 +424,22 @@ int main(int argc, char** argv)
else
{
blocks_size = atoi(value_str.c_str());
- // *TODO: make sure blocks_size is a power of 2
+ }
+ }
+ else if (!strcmp(argv[arg], "--levels") || !strcmp(argv[arg], "-l"))
+ {
+ std::string value_str;
+ if ((arg + 1) < argc)
+ {
+ value_str = argv[arg+1];
+ }
+ if (((arg + 1) >= argc) || (value_str[0] == '-'))
+ {
+ std::cout << "No valid --levels argument given, default (5) will be used" << std::endl;
+ }
+ else
+ {
+ levels = atoi(value_str.c_str());
}
}
else if (!strcmp(argv[arg], "--reversible") || !strcmp(argv[arg], "-rev"))
@@ -499,7 +518,7 @@ int main(int argc, char** argv)
// Save file
if (out_file != out_end)
{
- if (!save_image(*out_file, raw_image, blocks_size, precincts_size, reversible, image_stats))
+ if (!save_image(*out_file, raw_image, blocks_size, precincts_size, levels, reversible, image_stats))
{
std::cout << "Error: Image " << *out_file << " could not be saved" << std::endl;
}
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h
index 18444f3934..c464c3b2b6 100644
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@@ -35,8 +35,21 @@
const S32 MIN_IMAGE_MIP = 2; // 4x4, only used for expand/contract power of 2
const S32 MAX_IMAGE_MIP = 11; // 2048x2048
+
+// *TODO : Use MAX_IMAGE_MIP as max discard level and modify j2c management so that the number
+// of levels is read from the header's file, not inferred from its size.
const S32 MAX_DISCARD_LEVEL = 5;
+// JPEG2000 size constraints
+// Those are declared here as they are germane to other image constraints used in the viewer
+// and declared right here. Some come from the JPEG2000 spec, some conventions specific to SL.
+const S32 MAX_DECOMPOSITION_LEVELS = 32; // Number of decomposition levels cannot exceed 32 according to jpeg2000 spec
+const S32 MIN_DECOMPOSITION_LEVELS = 5; // the SL viewer will *crash* trying to decode images with fewer than 5 decomposition levels (unless image is small that is)
+const S32 MAX_PRECINCT_SIZE = 2048; // No reason to be bigger than MAX_IMAGE_SIZE
+const S32 MIN_PRECINCT_SIZE = 4; // Can't be smaller than MIN_BLOCK_SIZE
+const S32 MAX_BLOCK_SIZE = 64; // Max total block size is 4096, hence 64x64 when using square blocks
+const S32 MIN_BLOCK_SIZE = 4; // Min block dim is 4 according to jpeg2000 spec
+
const S32 MIN_IMAGE_SIZE = (1<<MIN_IMAGE_MIP); // 4, only used for expand/contract power of 2
const S32 MAX_IMAGE_SIZE = (1<<MAX_IMAGE_MIP); // 2048
const S32 MIN_IMAGE_AREA = MIN_IMAGE_SIZE * MIN_IMAGE_SIZE;
diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp
index a90df0f1c1..44e6b89dd3 100644
--- a/indra/llimage/llimagej2c.cpp
+++ b/indra/llimage/llimagej2c.cpp
@@ -144,9 +144,9 @@ BOOL LLImageJ2C::initDecode(LLImageRaw &raw_image, int discard_level, int* regio
return mImpl->initDecode(*this,raw_image,discard_level,region);
}
-BOOL LLImageJ2C::initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size)
+BOOL LLImageJ2C::initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size, int levels)
{
- return mImpl->initEncode(*this,raw_image,blocks_size,precincts_size);
+ return mImpl->initEncode(*this,raw_image,blocks_size,precincts_size,levels);
}
BOOL LLImageJ2C::decode(LLImageRaw *raw_imagep, F32 decode_time)
diff --git a/indra/llimage/llimagej2c.h b/indra/llimage/llimagej2c.h
index 6bba81aab5..914174fc57 100644
--- a/indra/llimage/llimagej2c.h
+++ b/indra/llimage/llimagej2c.h
@@ -57,7 +57,7 @@ public:
/*virtual*/ void setLastError(const std::string& message, const std::string& filename = std::string());
BOOL initDecode(LLImageRaw &raw_image, int discard_level, int* region);
- BOOL initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size);
+ BOOL initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size, int levels);
// Encode with comment text
BOOL encode(const LLImageRaw *raw_imagep, const char* comment_text, F32 encode_time=0.0);
@@ -120,7 +120,7 @@ protected:
virtual BOOL encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time=0.0,
BOOL reversible=FALSE) = 0;
virtual BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level = -1, int* region = NULL) = 0;
- virtual BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1) = 0;
+ virtual BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1, int levels = 0) = 0;
friend class LLImageJ2C;
};
diff --git a/indra/llimagej2coj/llimagej2coj.cpp b/indra/llimagej2coj/llimagej2coj.cpp
index 8288fa1f5c..d15824ce5a 100644
--- a/indra/llimagej2coj/llimagej2coj.cpp
+++ b/indra/llimagej2coj/llimagej2coj.cpp
@@ -113,7 +113,7 @@ BOOL LLImageJ2COJ::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int disca
return FALSE;
}
-BOOL LLImageJ2COJ::initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size, int precincts_size)
+BOOL LLImageJ2COJ::initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size, int precincts_size, int levels)
{
// No specific implementation for this method in the OpenJpeg case
return FALSE;
diff --git a/indra/llimagej2coj/llimagej2coj.h b/indra/llimagej2coj/llimagej2coj.h
index 9c7cc09fcb..40ad4edb00 100644
--- a/indra/llimagej2coj/llimagej2coj.h
+++ b/indra/llimagej2coj/llimagej2coj.h
@@ -40,7 +40,7 @@ protected:
/*virtual*/ BOOL encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time=0.0,
BOOL reversible = FALSE);
/*virtual*/ BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level = -1, int* region = NULL);
- /*virtual*/ BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1);
+ /*virtual*/ BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1, int levels = 0);
};
#endif
diff --git a/indra/llkdu/llimagej2ckdu.cpp b/indra/llkdu/llimagej2ckdu.cpp
index ae456a48be..f83accf356 100644
--- a/indra/llkdu/llimagej2ckdu.cpp
+++ b/indra/llkdu/llimagej2ckdu.cpp
@@ -29,6 +29,7 @@
#include "lltimer.h"
#include "llpointer.h"
+#include "llmath.h"
#include "llkdumem.h"
@@ -192,7 +193,8 @@ mTileIndicesp(NULL),
mRawImagep(NULL),
mDecodeState(NULL),
mBlocksSize(-1),
-mPrecinctsSize(-1)
+mPrecinctsSize(-1),
+mLevels(0)
{
}
@@ -328,10 +330,30 @@ BOOL LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int disc
return initDecode(base,raw_image,0.0f,MODE_FAST,0,4,discard_level,region);
}
-BOOL LLImageJ2CKDU::initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size, int precincts_size)
+BOOL LLImageJ2CKDU::initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size, int precincts_size, int levels)
{
- mBlocksSize = blocks_size;
mPrecinctsSize = precincts_size;
+ if (mPrecinctsSize != -1)
+ {
+ mPrecinctsSize = get_lower_power_two(mPrecinctsSize,MAX_PRECINCT_SIZE);
+ mPrecinctsSize = llmax(mPrecinctsSize,MIN_PRECINCT_SIZE);
+ }
+ mBlocksSize = blocks_size;
+ if (mBlocksSize != -1)
+ {
+ mBlocksSize = get_lower_power_two(mBlocksSize,MAX_BLOCK_SIZE);
+ mBlocksSize = llmax(mBlocksSize,MIN_BLOCK_SIZE);
+ if (mPrecinctsSize != -1)
+ {
+ mBlocksSize = llmin(mBlocksSize,mPrecinctsSize); // blocks *must* be smaller than precincts
+ }
+ }
+ mLevels = levels;
+ if (mLevels != 0)
+ {
+ mLevels = llmin(mLevels,MAX_DECOMPOSITION_LEVELS);
+ mLevels = llmax(MIN_DECOMPOSITION_LEVELS,mLevels);
+ }
return TRUE;
}
@@ -373,10 +395,12 @@ BOOL LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco
// Resize raw_image according to the image to be decoded
kdu_dims dims; mCodeStreamp->get_dims(0,dims);
+ // *TODO: Use the real number of levels read from the file throughout the code instead of relying on an infered value from dimensions
+ //S32 levels = mCodeStreamp->get_min_dwt_levels();
S32 channels = base.getComponents() - first_channel;
channels = llmin(channels,max_channel_count);
raw_image.resize(dims.size.x, dims.size.y, channels);
- // llinfos << "Resizing raw_image to " << dims.size.x << ":" << dims.size.y << llendl;
+ //llinfos << "j2c image dimension: width = " << dims.size.x << ", height = " << dims.size.y << ", channels = " << channels << ", levels = " << levels << llendl;
if (!mTileIndicesp)
{
@@ -653,6 +677,11 @@ BOOL LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co
std::string Parts_string = llformat("ORGtparts=R");
codestream.access_siz()->parse_string(Parts_string.c_str());
}
+ if (mLevels != 0)
+ {
+ std::string levels_string = llformat("Clevels=%d",mLevels);
+ codestream.access_siz()->parse_string(levels_string.c_str());
+ }
codestream.access_siz()->finalize_all();
codestream.change_appearance(transpose,vflip,hflip);
diff --git a/indra/llkdu/llimagej2ckdu.h b/indra/llkdu/llimagej2ckdu.h
index 9fce58b762..1489dbf704 100644
--- a/indra/llkdu/llimagej2ckdu.h
+++ b/indra/llkdu/llimagej2ckdu.h
@@ -59,7 +59,7 @@ protected:
/*virtual*/ BOOL encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time=0.0,
BOOL reversible=FALSE);
/*virtual*/ BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level = -1, int* region = NULL);
- /*virtual*/ BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1);
+ /*virtual*/ BOOL initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1, int levels = 0);
private:
BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, ECodeStreamMode mode, S32 first_channel, S32 max_channel_count, int discard_level = -1, int* region = NULL);
@@ -73,6 +73,7 @@ private:
kdu_dims *mTileIndicesp;
int mBlocksSize;
int mPrecinctsSize;
+ int mLevels;
// Temporary variables for in-progress decodes...
LLImageRaw *mRawImagep;
diff --git a/indra/llkdu/tests/llimagej2ckdu_test.cpp b/indra/llkdu/tests/llimagej2ckdu_test.cpp
index 7ac24a969a..ab60ab6d50 100644
--- a/indra/llkdu/tests/llimagej2ckdu_test.cpp
+++ b/indra/llkdu/tests/llimagej2ckdu_test.cpp
@@ -134,6 +134,7 @@ kdu_params* kdu_params::access_cluster(const char*) { return NULL; }
void kdu_codestream::set_fast() { }
void kdu_codestream::set_fussy() { }
void kdu_codestream::get_dims(int, kdu_dims&, bool ) { }
+int kdu_codestream::get_min_dwt_levels() { return 5; }
void kdu_codestream::change_appearance(bool, bool, bool) { }
void kdu_codestream::get_tile_dims(kdu_coords, int, kdu_dims&, bool ) { }
void kdu_codestream::destroy() { }
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 23:44:21 +0000