diff options
author | Merov Linden <merov@lindenlab.com> | 2011-04-13 18:11:56 -0700 |
---|---|---|
committer | Merov Linden <merov@lindenlab.com> | 2011-04-13 18:11:56 -0700 |
commit | b77a7b4711cc9a8294ce3d20ea34f999336b0441 (patch) | |
tree | 0eaef66ecfa652a5ec32c4f7dd5266f7191a9d2a /indra | |
parent | 759d72a46c5d487e6881426f90c54c6ae2da4847 (diff) | |
parent | cd363e8c87e176776f5db8fbaf60c264eabdaa3b (diff) |
EXP-663 : Allow creation of j2c images with precincts and blocks, limited to llimage_libtest, no viewer change
Diffstat (limited to 'indra')
-rw-r--r-- | indra/integration_tests/llimage_libtest/llimage_libtest.cpp | 151 | ||||
-rw-r--r-- | indra/llimage/llimagej2c.cpp | 12 | ||||
-rw-r--r-- | indra/llimage/llimagej2c.h | 4 | ||||
-rw-r--r-- | indra/llimagej2coj/llimagej2coj.cpp | 11 | ||||
-rw-r--r-- | indra/llimagej2coj/llimagej2coj.h | 2 | ||||
-rw-r--r-- | indra/llkdu/llimagej2ckdu.cpp | 468 | ||||
-rw-r--r-- | indra/llkdu/llimagej2ckdu.h | 6 | ||||
-rw-r--r-- | indra/llkdu/llkdumem.cpp | 22 | ||||
-rw-r--r-- | indra/llkdu/llkdumem.h | 44 |
9 files changed, 455 insertions, 265 deletions
diff --git a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp index 03a79532c8..0151016862 100644 --- a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp +++ b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp @@ -53,12 +53,29 @@ static const char USAGE[] = "\n" " -o, --output <file1 .. file2> OR <type>\n" " List of image files to create (assumes same order as for input files)\n" " OR 3 letters file type extension to convert each input file into.\n" +" -r, --region <x0, y0, x1, y1>\n" +" Crop region applied to the input files in pixels.\n" +" Only used for j2c images. Default is no region cropping.\n" +" -d, --discard_level <n>\n" +" Discard level max used on input. 0 is highest resolution. Max discard level is 5.\n" +" This allows the input image to be clamped in resolution when loading.\n" +" Only valid for j2c images. Default is no discard.\n" +" -p, --precincts <n>\n" +" Dimension of precincts in pixels. Precincts are assumed square and identical for\n" +" all levels. Note that this option also add PLT and tile markers to the codestream, \n" +" and uses RPCL order. Power of 2 must be used.\n" +" Only valid for output j2c images. Default is no precincts used.\n" +" -b, --blocks <n>\n" +" Dimension of coding blocks in pixels. Blocks are assumed square. Power of 2 must\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" " -log, --logmetrics <metric>\n" " Log performance data for <metric>. Results in <metric>.slp\n" " Note: so far, only ImageCompressionTester has been tested.\n" -" -r, --analyzeperformance\n" +" -a, --analyzeperformance\n" " Create a report comparing <metric>_baseline.slp with current <metric>.slp\n" -" Results in <metric>_report.csv" +" Results in <metric>_report.csv\n" " -s, --image-stats\n" " Output stats for each input and output image.\n" "\n"; @@ -87,10 +104,11 @@ void output_image_stats(LLPointer<LLImageFormatted> image, const std::string &fi } // Load an image from file and return a raw (decompressed) instance of its data -LLPointer<LLImageRaw> load_image(const std::string &src_filename, bool output_stats) +LLPointer<LLImageRaw> load_image(const std::string &src_filename, int discard_level, int* region, bool output_stats) { LLPointer<LLImageFormatted> image = create_image(src_filename); - + + // This just loads the image file stream into a buffer. No decoding done. if (!image->load(src_filename)) { return NULL; @@ -108,6 +126,15 @@ LLPointer<LLImageRaw> load_image(const std::string &src_filename, bool output_st } LLPointer<LLImageRaw> raw_image = new LLImageRaw; + + // Set the image restriction on load in the case of a j2c image + if ((image->getCodec() == IMG_CODEC_J2C) && ((discard_level != -1) || (region != NULL))) + { + // That method doesn't exist (and likely, doesn't make sense) for any other image file format + // hence the required cryptic cast. + ((LLImageJ2C*)(image.get()))->initDecode(*raw_image, discard_level, region); + } + if (!image->decode(raw_image, 0.0f)) { return NULL; @@ -117,10 +144,18 @@ LLPointer<LLImageRaw> load_image(const std::string &src_filename, bool output_st } // Save a raw image instance into a file -bool save_image(const std::string &dest_filename, LLPointer<LLImageRaw> raw_image, bool output_stats) +bool save_image(const std::string &dest_filename, LLPointer<LLImageRaw> raw_image, int blocks_size, int precincts_size, bool output_stats) { LLPointer<LLImageFormatted> image = create_image(dest_filename); + // Set the image codestream parameters on output in the case of a j2c image + if ((image->getCodec() == IMG_CODEC_J2C) && ((blocks_size != -1) || (precincts_size != -1))) + { + // That method doesn't exist (and likely, doesn't make sense) for any other image file format + // hence the required cryptic cast. + ((LLImageJ2C*)(image.get()))->initEncode(*raw_image, blocks_size, precincts_size); + } + if (!image->encode(raw_image, 0.0f)) { return false; @@ -257,8 +292,13 @@ int main(int argc, char** argv) // List of input and output files std::list<std::string> input_filenames; std::list<std::string> output_filenames; + // Other optional parsed arguments bool analyze_performance = false; bool image_stats = false; + int* region = NULL; + int discard_level = -1; + int precincts_size = -1; + int blocks_size = -1; // Init whatever is necessary ll_init_apr(); @@ -300,6 +340,81 @@ int main(int argc, char** argv) file_name = argv[arg+1]; // Next argument and loop over } } + else if ((!strcmp(argv[arg], "--region") || !strcmp(argv[arg], "-r")) && arg < argc-1) + { + std::string value_str = argv[arg+1]; + int index = 0; + region = new int[4]; + while (value_str[0] != '-') // if arg starts with '-', it's the next option + { + int value = atoi(value_str.c_str()); + region[index++] = value; + arg += 1; // Definitely skip that arg now we know it's a number + if ((arg + 1) == argc) // Break out of the loop if we reach the end of the arg list + break; + if (index == 4) // Break out of the loop if we captured 4 values already + break; + value_str = argv[arg+1]; // Next argument and loop over + } + if (index != 4) + { + std::cout << "--region arguments invalid" << std::endl; + delete [] region; + region = NULL; + } + } + else if (!strcmp(argv[arg], "--discard_level") || !strcmp(argv[arg], "-d")) + { + std::string value_str; + if ((arg + 1) < argc) + { + value_str = argv[arg+1]; + } + if (((arg + 1) >= argc) || (value_str[0] == '-')) + { + std::cout << "No valid --discard_level argument given, discard_level ignored" << std::endl; + } + else + { + discard_level = atoi(value_str.c_str()); + // Clamp to the values accepted by the viewer + discard_level = llclamp(discard_level,0,5); + } + } + else if (!strcmp(argv[arg], "--precincts") || !strcmp(argv[arg], "-p")) + { + std::string value_str; + if ((arg + 1) < argc) + { + value_str = argv[arg+1]; + } + if (((arg + 1) >= argc) || (value_str[0] == '-')) + { + std::cout << "No valid --precincts argument given, precincts ignored" << std::endl; + } + 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")) + { + std::string value_str; + if ((arg + 1) < argc) + { + value_str = argv[arg+1]; + } + if (((arg + 1) >= argc) || (value_str[0] == '-')) + { + std::cout << "No valid --blocks argument given, blocks ignored" << std::endl; + } + else + { + blocks_size = atoi(value_str.c_str()); + // *TODO: make sure blocks_size is a power of 2 + } + } else if (!strcmp(argv[arg], "--logmetrics") || !strcmp(argv[arg], "-log")) { // '--logmetrics' needs to be specified with a named test metric argument @@ -323,7 +438,7 @@ int main(int argc, char** argv) break; } } - else if (!strcmp(argv[arg], "--analyzeperformance") || !strcmp(argv[arg], "-r")) + else if (!strcmp(argv[arg], "--analyzeperformance") || !strcmp(argv[arg], "-a")) { analyze_performance = true; } @@ -341,7 +456,7 @@ int main(int argc, char** argv) } if (analyze_performance && !LLFastTimer::sMetricLog) { - std::cout << "Cannot create perf report if no perf gathered (i.e. use argument -log <perf> with -r) -> exit" << std::endl; + std::cout << "Cannot create perf report if no perf gathered (i.e. use argument -log <perf> with -a) -> exit" << std::endl; return 0; } @@ -362,7 +477,7 @@ int main(int argc, char** argv) for (; in_file != in_end; ++in_file) { // Load file - LLPointer<LLImageRaw> raw_image = load_image(*in_file, image_stats); + LLPointer<LLImageRaw> raw_image = load_image(*in_file, discard_level, region, image_stats); if (!raw_image) { std::cout << "Error: Image " << *in_file << " could not be loaded" << std::endl; @@ -372,7 +487,7 @@ int main(int argc, char** argv) // Save file if (out_file != out_end) { - if (!save_image(*out_file, raw_image, image_stats)) + if (!save_image(*out_file, raw_image, blocks_size, precincts_size, image_stats)) { std::cout << "Error: Image " << *out_file << " could not be saved" << std::endl; } @@ -384,25 +499,25 @@ int main(int argc, char** argv) } } - // Stop the perf gathering system if needed - if (LLFastTimer::sMetricLog) - { - LLMetricPerformanceTesterBasic::deleteTester(LLFastTimer::sLogName); - sAllDone = true; - } - // Output perf data if requested by user if (analyze_performance) { - std::cout << "Analyzing performance" << std::endl; - std::string baseline_name = LLFastTimer::sLogName + "_baseline.slp"; std::string current_name = LLFastTimer::sLogName + ".slp"; std::string report_name = LLFastTimer::sLogName + "_report.csv"; + std::cout << "Analyzing performance, check report in : " << report_name << std::endl; + LLMetricPerformanceTesterBasic::doAnalysisMetrics(baseline_name, current_name, report_name); } + // Stop the perf gathering system if needed + if (LLFastTimer::sMetricLog) + { + LLMetricPerformanceTesterBasic::deleteTester(LLFastTimer::sLogName); + sAllDone = true; + } + // Cleanup and exit LLImage::cleanupClass(); if (fast_timer_log_thread) diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp index 80fec7f8a0..a90df0f1c1 100644 --- a/indra/llimage/llimagej2c.cpp +++ b/indra/llimage/llimagej2c.cpp @@ -139,6 +139,15 @@ BOOL LLImageJ2C::updateData() return res; } +BOOL LLImageJ2C::initDecode(LLImageRaw &raw_image, int discard_level, int* region) +{ + return mImpl->initDecode(*this,raw_image,discard_level,region); +} + +BOOL LLImageJ2C::initEncode(LLImageRaw &raw_image, int blocks_size, int precincts_size) +{ + return mImpl->initEncode(*this,raw_image,blocks_size,precincts_size); +} BOOL LLImageJ2C::decode(LLImageRaw *raw_imagep, F32 decode_time) { @@ -251,6 +260,9 @@ S32 LLImageJ2C::calcHeaderSizeJ2C() //static S32 LLImageJ2C::calcDataSizeJ2C(S32 w, S32 h, S32 comp, S32 discard_level, F32 rate) { + // Note: this only provides an *estimate* of the size in bytes of an image level + // *TODO: find a way to read the true size (when available) and convey the fact + // that the result is an estimate in the other cases if (rate <= 0.f) rate = .125f; while (discard_level > 0) { diff --git a/indra/llimage/llimagej2c.h b/indra/llimage/llimagej2c.h index dd5bec8b2e..6bba81aab5 100644 --- a/indra/llimage/llimagej2c.h +++ b/indra/llimage/llimagej2c.h @@ -56,6 +56,8 @@ public: /*virtual*/ void resetLastError(); /*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); // Encode with comment text BOOL encode(const LLImageRaw *raw_imagep, const char* comment_text, F32 encode_time=0.0); @@ -117,6 +119,8 @@ protected: virtual BOOL decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, S32 first_channel, S32 max_channel_count) = 0; 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; friend class LLImageJ2C; }; diff --git a/indra/llimagej2coj/llimagej2coj.cpp b/indra/llimagej2coj/llimagej2coj.cpp index 13b12c0928..8288fa1f5c 100644 --- a/indra/llimagej2coj/llimagej2coj.cpp +++ b/indra/llimagej2coj/llimagej2coj.cpp @@ -107,6 +107,17 @@ LLImageJ2COJ::~LLImageJ2COJ() { } +BOOL LLImageJ2COJ::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level, int* region) +{ + // No specific implementation for this method in the OpenJpeg case + return FALSE; +} + +BOOL LLImageJ2COJ::initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size, int precincts_size) +{ + // No specific implementation for this method in the OpenJpeg case + return FALSE; +} BOOL LLImageJ2COJ::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, S32 first_channel, S32 max_channel_count) { diff --git a/indra/llimagej2coj/llimagej2coj.h b/indra/llimagej2coj/llimagej2coj.h index 9476665ccb..9c7cc09fcb 100644 --- a/indra/llimagej2coj/llimagej2coj.h +++ b/indra/llimagej2coj/llimagej2coj.h @@ -39,6 +39,8 @@ protected: /*virtual*/ BOOL decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, S32 first_channel, S32 max_channel_count); /*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); }; #endif diff --git a/indra/llkdu/llimagej2ckdu.cpp b/indra/llkdu/llimagej2ckdu.cpp index 10ea5685e8..8d2ed8f8c4 100644 --- a/indra/llkdu/llimagej2ckdu.cpp +++ b/indra/llkdu/llimagej2ckdu.cpp @@ -34,35 +34,35 @@ class kdc_flow_control { -public: // Member functions - kdc_flow_control(kdu_image_in_base *img_in, kdu_codestream codestream); - ~kdc_flow_control(); - bool advance_components(); - void process_components(); +public: + kdc_flow_control(kdu_image_in_base *img_in, kdu_codestream codestream); + ~kdc_flow_control(); + bool advance_components(); + void process_components(); + +private: -private: // Data - - struct kdc_component_flow_control { - public: // Data - kdu_image_in_base *reader; - int vert_subsampling; - int ratio_counter; /* Initialized to 0, decremented by `count_delta'; + struct kdc_component_flow_control { + public: + kdu_image_in_base *reader; + int vert_subsampling; + int ratio_counter; /* Initialized to 0, decremented by `count_delta'; when < 0, a new line must be processed, after which it is incremented by `vert_subsampling'. */ - int initial_lines; - int remaining_lines; - kdu_line_buf *line; - }; - - kdu_codestream codestream; - kdu_dims valid_tile_indices; - kdu_coords tile_idx; - kdu_tile tile; - int num_components; - kdc_component_flow_control *components; - int count_delta; // Holds the minimum of the `vert_subsampling' fields - kdu_multi_analysis engine; - kdu_long max_buffer_memory; + int initial_lines; + int remaining_lines; + kdu_line_buf *line; + }; + + kdu_codestream codestream; + kdu_dims valid_tile_indices; + kdu_coords tile_idx; + kdu_tile tile; + int num_components; + kdc_component_flow_control *components; + int count_delta; // Holds the minimum of the `vert_subsampling' fields + kdu_multi_analysis engine; + kdu_long max_buffer_memory; }; // @@ -72,7 +72,8 @@ void set_default_colour_weights(kdu_params *siz); const char* engineInfoLLImageJ2CKDU() { - return "KDU v6.4.1"; + std::string version = llformat("KDU %s", KDU_CORE_VERSION); + return version.c_str(); } LLImageJ2CKDU* createLLImageJ2CKDU() @@ -105,7 +106,11 @@ const char* fallbackEngineInfoLLImageJ2CImpl() class LLKDUDecodeState { public: + LLKDUDecodeState(kdu_tile tile, kdu_byte *buf, S32 row_gap); + ~LLKDUDecodeState(); + BOOL processTileDecode(F32 decode_time, BOOL limit_time = TRUE); +private: S32 mNumComponents; BOOL mUseYCC; kdu_dims mDims; @@ -113,22 +118,12 @@ public: kdu_tile_comp mComps[4]; kdu_line_buf mLines[4]; kdu_pull_ifc mEngines[4]; - bool mReversible[4]; // Some components may be reversible and others not. - int mBitDepths[4]; // Original bit-depth may be quite different from 8. - + bool mReversible[4]; // Some components may be reversible and others not + int mBitDepths[4]; // Original bit-depth may be quite different from 8 + kdu_tile mTile; kdu_byte *mBuf; S32 mRowGap; - - LLKDUDecodeState(kdu_tile tile, kdu_byte *buf, S32 row_gap); - ~LLKDUDecodeState(); - BOOL processTileDecode(F32 decode_time, BOOL limit_time = TRUE); - -public: - int *AssignLayerBytes(siz_params *siz, int &num_specs); - - void setupCodeStream(BOOL keep_codestream, LLImageJ2CKDU::ECodeStreamMode mode); - BOOL initDecode(LLImageRaw &raw_image, F32 decode_time, LLImageJ2CKDU::ECodeStreamMode mode, S32 first_channel, S32 max_channel_count ); }; void ll_kdu_error( void ) @@ -153,7 +148,7 @@ class LLKDUMessageError : public kdu_message public: /*virtual*/ void put_text(const char *s); /*virtual*/ void put_text(const kdu_uint16 *s); - /*virtual*/ void flush(bool end_of_message=false); + /*virtual*/ void flush(bool end_of_message = false); static LLKDUMessageError sDefaultMessage; }; @@ -179,7 +174,7 @@ void LLKDUMessageError::put_text(const kdu_uint16 *s) void LLKDUMessageError::flush(bool end_of_message) { - if( end_of_message ) + if (end_of_message) { throw "KDU throwing an exception"; } @@ -195,7 +190,9 @@ mCodeStreamp(NULL), mTPosp(NULL), mTileIndicesp(NULL), mRawImagep(NULL), -mDecodeState(NULL) +mDecodeState(NULL), +mBlocksSize(-1), +mPrecinctsSize(-1) { } @@ -210,7 +207,7 @@ void transfer_bytes(kdu_byte *dest, kdu_line_buf &src, int gap, int precision); void LLImageJ2CKDU::setupCodeStream(LLImageJ2C &base, BOOL keep_codestream, ECodeStreamMode mode) { S32 data_size = base.getDataSize(); - S32 max_bytes = base.getMaxBytes() ? base.getMaxBytes() : data_size; + S32 max_bytes = (base.getMaxBytes() ? base.getMaxBytes() : data_size); // // Initialization @@ -247,21 +244,21 @@ void LLImageJ2CKDU::setupCodeStream(LLImageJ2C &base, BOOL keep_codestream, ECod // Set the maximum number of bytes to use from the codestream mCodeStreamp->set_max_bytes(max_bytes); - // If you want to flip or rotate the image for some reason, change + // If you want to flip or rotate the image for some reason, change // the resolution, or identify a restricted region of interest, this is // the place to do it. You may use "kdu_codestream::change_appearance" // and "kdu_codestream::apply_input_restrictions" for this purpose. - // If you wish to truncate the code-stream prior to decompression, you + // If you wish to truncate the code-stream prior to decompression, you // may use "kdu_codestream::set_max_bytes". - // If you wish to retain all compressed data so that the material + // If you wish to retain all compressed data so that the material // can be decompressed multiple times, possibly with different appearance // parameters, you should call "kdu_codestream::set_persistent" here. - // There are a variety of other features which must be enabled at + // There are a variety of other features which must be enabled at // this point if you want to take advantage of them. See the // descriptions appearing with the "kdu_codestream" interface functions // in "kdu_compressed.h" for an itemized account of these capabilities. - switch( mode ) + switch (mode) { case MODE_FAST: mCodeStreamp->set_fast(); @@ -326,7 +323,19 @@ void LLImageJ2CKDU::cleanupCodeStream() mTileIndicesp = NULL; } -BOOL LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, ECodeStreamMode mode, S32 first_channel, S32 max_channel_count ) +BOOL LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level, int* region) +{ + 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) +{ + mBlocksSize = blocks_size; + mPrecinctsSize = precincts_size; + return TRUE; +} + +BOOL LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, ECodeStreamMode mode, S32 first_channel, S32 max_channel_count, int discard_level, int* region) { base.resetLastError(); @@ -339,11 +348,24 @@ BOOL LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco mRawImagep = &raw_image; mCodeStreamp->change_appearance(false, true, false); - mCodeStreamp->apply_input_restrictions(first_channel,max_channel_count,base.getRawDiscardLevel(),0,NULL); + + // Apply loading discard level and cropping if required + kdu_dims* region_kdu = NULL; + if (region != NULL) + { + region_kdu = new kdu_dims; + region_kdu->pos.x = region[0]; + region_kdu->pos.y = region[1]; + region_kdu->size.x = region[2] - region[0]; + region_kdu->size.y = region[3] - region[1]; + } + int discard = (discard_level != -1 ? discard_level : base.getRawDiscardLevel()); + + mCodeStreamp->apply_input_restrictions( first_channel, max_channel_count, discard, 0, region_kdu); kdu_dims dims; mCodeStreamp->get_dims(0,dims); S32 channels = base.getComponents() - first_channel; - if( channels > max_channel_count ) + if (channels > max_channel_count) { channels = max_channel_count; } @@ -426,7 +448,7 @@ BOOL LLImageJ2CKDU::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco // canvas coordinate system. Comparing the two tells // us where the current tile is in the buffer. S32 channels = base.getComponents() - first_channel; - if( channels > max_channel_count ) + if (channels > max_channel_count) { channels = max_channel_count; } @@ -452,14 +474,14 @@ BOOL LLImageJ2CKDU::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco return FALSE; } } - catch( const char* msg ) + catch (const char* msg) { base.setLastError(ll_safe_string(msg)); base.decodeFailed(); cleanupCodeStream(); return TRUE; // done } - catch( ... ) + catch (...) { base.setLastError( "Unknown J2C error" ); base.decodeFailed(); @@ -482,28 +504,17 @@ BOOL LLImageJ2CKDU::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco BOOL LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time, BOOL reversible) { - // Collect simple arguments. - bool transpose, vflip, hflip; - bool allow_rate_prediction, mem, quiet, no_weights; - int cpu_iterations; - std::ostream *record_stream; - - transpose = false; - record_stream = NULL; - allow_rate_prediction = true; - no_weights = false; - cpu_iterations = -1; - mem = false; - quiet = false; - vflip = true; - hflip = false; + // Declare and set simple arguments + bool transpose = false; + bool vflip = true; + bool hflip = false; try { - // Set up input image files. + // Set up input image files siz_params siz; - // Should set rate someplace here. + // Should set rate someplace here LLKDUMemIn mem_in(raw_image.getData(), raw_image.getDataSize(), raw_image.getWidth(), @@ -521,12 +532,12 @@ BOOL LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co siz.set(Sprecision,0,0,8); // Image samples have original bit-depth of 8 siz.set(Ssigned,0,0,false); // Image samples are originally unsigned - kdu_params *siz_ref = &siz; siz_ref->finalize(); - siz_params transformed_siz; // Use this one to construct code-strea + kdu_params *siz_ref = &siz; + siz_ref->finalize(); + siz_params transformed_siz; // Use this one to construct code-stream transformed_siz.copy_from(&siz,-1,-1,-1,0,transpose,false,false); - // Construct the `kdu_codestream' object and parse all remaining arguments. - + // Construct the `kdu_codestream' object and parse all remaining arguments U32 max_output_size = base.getWidth()*base.getHeight()*base.getComponents(); if (max_output_size < 1000) { @@ -538,8 +549,7 @@ BOOL LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co LLKDUMemTarget output(output_buffer, output_size, base.getWidth()*base.getHeight()*base.getComponents()); if (output_size > max_output_size) { - llerrs << llformat("LLImageJ2C::encode output_size(%d) > max_output_size(%d)", - output_size,max_output_size) << llendl; + llerrs << llformat("LLImageJ2C::encode output_size(%d) > max_output_size(%d)", output_size,max_output_size) << llendl; } kdu_codestream codestream; @@ -558,15 +568,18 @@ BOOL LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co kdu_long layer_bytes[64]; U32 max_bytes = 0; - if ((num_components >= 3) && !no_weights) + if (num_components >= 3) { + // Note that we always use YCC and not YUV + // *TODO: Verify this doesn't screws up reversible textures (like sculpties) as YCC is not reversible but YUV is... set_default_colour_weights(codestream.access_siz()); } if (reversible) { - // If we're doing reversible, assume we're not using quality layers. + // If we're doing reversible (i.e. lossless compression), assumes we're not using quality layers. // Yes, I know this is incorrect! + // *TODO: Indeed, this is incorrect and unecessary... Try using the regular layer setting... codestream.access_siz()->parse_string("Creversible=yes"); codestream.access_siz()->parse_string("Clayers=1"); num_layer_specs = 1; @@ -577,6 +590,7 @@ BOOL LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co // Rate is the argument passed into the LLImageJ2C which // specifies the target compression rate. The default is 8:1. // Possibly if max_bytes < 500, we should just use the default setting? + // *TODO: mRate is actually always 8:1 in the viewer. Test different values. Also force to reversible for small (< 500 bytes) textures. if (base.mRate != 0.f) { max_bytes = (U32)(base.mRate*base.getWidth()*base.getHeight()*base.getComponents()); @@ -617,42 +631,56 @@ BOOL LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co codestream.access_siz()->parse_string(layer_string.c_str()); } } - codestream.access_siz()->finalize_all(); - if (cpu_iterations >= 0) + + // Set up data ordering, markers, etc... if precincts or blocks specified + if ((mBlocksSize != -1) || (mPrecinctsSize != -1)) { - codestream.collect_timing_stats(cpu_iterations); + if (mPrecinctsSize != -1) + { + std::string precincts_string = llformat("Cprecincts={%d,%d}",mPrecinctsSize,mPrecinctsSize); + codestream.access_siz()->parse_string(precincts_string.c_str()); + } + if (mBlocksSize != -1) + { + std::string blocks_string = llformat("Cblk={%d,%d}",mBlocksSize,mBlocksSize); + codestream.access_siz()->parse_string(blocks_string.c_str()); + } + std::string ordering_string = llformat("Corder=RPCL"); + codestream.access_siz()->parse_string(ordering_string.c_str()); + std::string PLT_string = llformat("ORGgen_plt=yes"); + codestream.access_siz()->parse_string(PLT_string.c_str()); + std::string Parts_string = llformat("ORGtparts=R"); + codestream.access_siz()->parse_string(Parts_string.c_str()); } + + codestream.access_siz()->finalize_all(); codestream.change_appearance(transpose,vflip,hflip); // Now we are ready for sample data processing. - kdc_flow_control *tile = new kdc_flow_control(&mem_in,codestream); - bool done = false; - while (!done) - { - // Process line by line - done = true; - if (tile->advance_components()) - { - done = false; - tile->process_components(); - } - } + kdc_flow_control *tile = new kdc_flow_control(&mem_in,codestream); + bool done = false; + while (!done) + { + // Process line by line + if (tile->advance_components()) + { + tile->process_components(); + } + else + { + done = true; + } + } // Produce the compressed output - codestream.flush(layer_bytes,num_layer_specs); + codestream.flush(layer_bytes,num_layer_specs); // Cleanup - delete tile; - + delete tile; codestream.destroy(); - if (record_stream != NULL) - { - delete record_stream; - } // Now that we're done encoding, create the new data buffer for the compressed // image and stick it there. - base.copyData(output_buffer, output_size); base.updateData(); // set width, height delete[] output_buffer; @@ -674,19 +702,19 @@ BOOL LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co BOOL LLImageJ2CKDU::getMetadata(LLImageJ2C &base) { // *FIX: kdu calls our callback function if there's an error, and - // then bombs. To regain control, we throw an exception, and + // then bombs. To regain control, we throw an exception, and // catch it here. try { setupCodeStream(base, FALSE, MODE_FAST); return TRUE; } - catch( const char* msg ) + catch (const char* msg) { base.setLastError(ll_safe_string(msg)); return FALSE; } - catch( ... ) + catch (...) { base.setLastError( "Unknown J2C error" ); return FALSE; @@ -699,37 +727,49 @@ void set_default_colour_weights(kdu_params *siz) assert(cod != NULL); bool can_use_ycc = true; - bool rev0=false; - int depth0=0, sub_x0=1, sub_y0=1; - for (int c=0; c < 3; c++) + bool rev0 = false; + int depth0 = 0, sub_x0 = 1, sub_y0 = 1; + for (int c = 0; c < 3; c++) { - int depth=0; siz->get(Sprecision,c,0,depth); - int sub_y=1; siz->get(Ssampling,c,0,sub_y); - int sub_x=1; siz->get(Ssampling,c,1,sub_x); + int depth = 0; siz->get(Sprecision,c,0,depth); + int sub_y = 1; siz->get(Ssampling,c,0,sub_y); + int sub_x = 1; siz->get(Ssampling,c,1,sub_x); kdu_params *coc = cod->access_relation(-1,c); - bool rev=false; coc->get(Creversible,0,0,rev); + bool rev = false; coc->get(Creversible,0,0,rev); if (c == 0) - { rev0=rev; depth0=depth; sub_x0=sub_x; sub_y0=sub_y; } - else if ((rev != rev0) || (depth != depth0) || - (sub_x != sub_x0) || (sub_y != sub_y0)) + { + rev0 = rev; depth0 = depth; sub_x0 = sub_x; sub_y0 = sub_y; + } + else if ((rev != rev0) || (depth != depth0) || + (sub_x != sub_x0) || (sub_y != sub_y0)) + { can_use_ycc = false; + } } if (!can_use_ycc) + { return; + } bool use_ycc; if (!cod->get(Cycc,0,0,use_ycc)) + { cod->set(Cycc,0,0,use_ycc=true); + } if (!use_ycc) + { return; + } float weight; - if (cod->get(Clev_weights,0,0,weight) || - cod->get(Cband_weights,0,0,weight)) - return; // Weights already specified explicitly. + if (cod->get(Clev_weights,0,0,weight) || cod->get(Cband_weights,0,0,weight)) + { + // Weights already specified explicitly -> nothing to do + return; + } - /* These example weights are adapted from numbers generated by Marcus Nadenau - at EPFL, for a viewing distance of 15 cm and a display resolution of - 300 DPI. */ + // These example weights are adapted from numbers generated by Marcus Nadenau + // at EPFL, for a viewing distance of 15 cm and a display resolution of + // 300 DPI. cod->parse_string("Cband_weights:C0=" "{0.0901},{0.2758},{0.2758}," @@ -775,7 +815,7 @@ all necessary level shifting, type conversion, rounding and truncation. */ val += 128; if (val & ((-1)<<8)) { - val = (val<0)?0:255; + val = (val < 0 ? 0 : 255); } *dest = (kdu_byte) val; } @@ -793,7 +833,7 @@ all necessary level shifting, type conversion, rounding and truncation. */ val += 128; if (val & ((-1)<<8)) { - val = (val<0)?0:255; + val = (val < 0 ? 0 : 255); } *dest = (kdu_byte) val; } @@ -816,7 +856,7 @@ all necessary level shifting, type conversion, rounding and truncation. */ val += 128; if (val & ((-1)<<8)) { - val = (val<0)?0:255; + val = (val < 0 ? 0 : 255); } *dest = (kdu_byte) val; } @@ -835,7 +875,7 @@ all necessary level shifting, type conversion, rounding and truncation. */ val += 128; if (val & ((-1)<<8)) { - val = (val<0)?0:(256-(1<<upshift)); + val = (val < 0 ? 0 : 256 - (1<<upshift)); } *dest = (kdu_byte) val; } @@ -857,7 +897,7 @@ all necessary level shifting, type conversion, rounding and truncation. */ val += 128; if (val & ((-1)<<8)) { - val = (val<0)?0:255; + val = (val < 0 ? 0 : 255); } *dest = (kdu_byte) val; } @@ -873,7 +913,7 @@ all necessary level shifting, type conversion, rounding and truncation. */ val += 128; if (val & ((-1)<<8)) { - val = (val<0)?0:(256-(1<<upshift)); + val = (val < 0 ? 0 : 256 - (1<<upshift)); } *dest = (kdu_byte) val; } @@ -892,17 +932,17 @@ LLKDUDecodeState::LLKDUDecodeState(kdu_tile tile, kdu_byte *buf, S32 row_gap) mNumComponents = tile.get_num_components(); - llassert(mNumComponents<=4); + llassert(mNumComponents <= 4); mUseYCC = tile.get_ycc(); - for (c=0; c<4; ++c) + for (c = 0; c < 4; ++c) { mReversible[c] = false; mBitDepths[c] = 0; } // Open tile-components and create processing engines and resources - for (c=0; c < mNumComponents; c++) + for (c = 0; c < mNumComponents; c++) { mComps[c] = mTile.access_component(c); mReversible[c] = mComps[c].get_reversible(); @@ -929,7 +969,7 @@ LLKDUDecodeState::LLKDUDecodeState(kdu_tile tile, kdu_byte *buf, S32 row_gap) } } mAllocator.finalize(); // Actually creates buffering resources - for (c=0; c < mNumComponents; c++) + for (c = 0; c < mNumComponents; c++) { mLines[c].create(); // Grabs resources from the allocator. } @@ -937,13 +977,11 @@ LLKDUDecodeState::LLKDUDecodeState(kdu_tile tile, kdu_byte *buf, S32 row_gap) LLKDUDecodeState::~LLKDUDecodeState() { - S32 c; // Cleanup - for (c=0; c < mNumComponents; c++) + for (S32 c = 0; c < mNumComponents; c++) { mEngines[c].destroy(); // engines are interfaces; no default destructors } - mTile.close(); } @@ -962,7 +1000,7 @@ separation between consecutive rows in the real buffer. */ LLTimer decode_timer; while (mDims.size.y--) { - for (c=0; c < mNumComponents; c++) + for (c = 0; c < mNumComponents; c++) { mEngines[c].pull(mLines[c],true); } @@ -970,7 +1008,7 @@ separation between consecutive rows in the real buffer. */ { kdu_convert_ycc_to_rgb(mLines[0],mLines[1],mLines[2]); } - for (c=0; c < mNumComponents; c++) + for (c = 0; c < mNumComponents; c++) { transfer_bytes(mBuf+c,mLines[c],mNumComponents,mBitDepths[c]); } @@ -990,96 +1028,100 @@ separation between consecutive rows in the real buffer. */ kdc_flow_control::kdc_flow_control (kdu_image_in_base *img_in, kdu_codestream codestream) { - int n; - - this->codestream = codestream; - codestream.get_valid_tiles(valid_tile_indices); - tile_idx = valid_tile_indices.pos; - tile = codestream.open_tile(tile_idx,NULL); - - // Set up the individual components - num_components = codestream.get_num_components(true); - components = new kdc_component_flow_control[num_components]; - count_delta = 0; - kdc_component_flow_control *comp = components; - for (n = 0; n < num_components; n++, comp++) - { - comp->line = NULL; - comp->reader = img_in; - kdu_coords subsampling; - codestream.get_subsampling(n,subsampling,true); - kdu_dims dims; - codestream.get_tile_dims(tile_idx,n,dims,true); - comp->vert_subsampling = subsampling.y; - if ((n == 0) || (comp->vert_subsampling < count_delta)) - { - count_delta = comp->vert_subsampling; - } - comp->ratio_counter = 0; - comp->remaining_lines = comp->initial_lines = dims.size.y; - } - assert(num_components >= 0); - - tile.set_components_of_interest(num_components); - max_buffer_memory = engine.create(codestream,tile,false,NULL,false,1,NULL,NULL,false); + int n; + + this->codestream = codestream; + codestream.get_valid_tiles(valid_tile_indices); + tile_idx = valid_tile_indices.pos; + tile = codestream.open_tile(tile_idx,NULL); + + // Set up the individual components + num_components = codestream.get_num_components(true); + components = new kdc_component_flow_control[num_components]; + count_delta = 0; + kdc_component_flow_control *comp = components; + for (n = 0; n < num_components; n++, comp++) + { + comp->line = NULL; + comp->reader = img_in; + kdu_coords subsampling; + codestream.get_subsampling(n,subsampling,true); + kdu_dims dims; + codestream.get_tile_dims(tile_idx,n,dims,true); + comp->vert_subsampling = subsampling.y; + if ((n == 0) || (comp->vert_subsampling < count_delta)) + { + count_delta = comp->vert_subsampling; + } + comp->ratio_counter = 0; + comp->remaining_lines = comp->initial_lines = dims.size.y; + } + assert(num_components >= 0); + + tile.set_components_of_interest(num_components); + max_buffer_memory = engine.create(codestream,tile,false,NULL,false,1,NULL,NULL,false); } kdc_flow_control::~kdc_flow_control() { - if (components != NULL) - delete[] components; - if (engine.exists()) - engine.destroy(); + if (components != NULL) + { + delete[] components; + } + if (engine.exists()) + { + engine.destroy(); + } } bool kdc_flow_control::advance_components() { - bool found_line = false; - while (!found_line) - { - bool all_done = true; - kdc_component_flow_control *comp = components; - for (int n = 0; n < num_components; n++, comp++) - { - assert(comp->ratio_counter >= 0); - if (comp->remaining_lines > 0) - { - all_done = false; - comp->ratio_counter -= count_delta; - if (comp->ratio_counter < 0) - { - found_line = true; - comp->line = engine.exchange_line(n,NULL,NULL); - assert(comp->line != NULL); + bool found_line = false; + while (!found_line) + { + bool all_done = true; + kdc_component_flow_control *comp = components; + for (int n = 0; n < num_components; n++, comp++) + { + assert(comp->ratio_counter >= 0); + if (comp->remaining_lines > 0) + { + all_done = false; + comp->ratio_counter -= count_delta; + if (comp->ratio_counter < 0) + { + found_line = true; + comp->line = engine.exchange_line(n,NULL,NULL); + assert(comp->line != NULL); if (comp->line->get_width()) { comp->reader->get(n,*(comp->line),0); } - } - } - } - if (all_done) - { - return false; - } - } - return true; + } + } + } + if (all_done) + { + return false; + } + } + return true; } void kdc_flow_control::process_components() { - kdc_component_flow_control *comp = components; - for (int n = 0; n < num_components; n++, comp++) - { - if (comp->ratio_counter < 0) - { - comp->ratio_counter += comp->vert_subsampling; - assert(comp->ratio_counter >= 0); - assert(comp->remaining_lines > 0); - comp->remaining_lines--; - assert(comp->line != NULL); - engine.exchange_line(n,comp->line,NULL); - comp->line = NULL; - } - } + kdc_component_flow_control *comp = components; + for (int n = 0; n < num_components; n++, comp++) + { + if (comp->ratio_counter < 0) + { + comp->ratio_counter += comp->vert_subsampling; + assert(comp->ratio_counter >= 0); + assert(comp->remaining_lines > 0); + comp->remaining_lines--; + assert(comp->line != NULL); + engine.exchange_line(n,comp->line,NULL); + comp->line = NULL; + } + } } diff --git a/indra/llkdu/llimagej2ckdu.h b/indra/llkdu/llimagej2ckdu.h index 5628f69eeb..9fce58b762 100644 --- a/indra/llkdu/llimagej2ckdu.h +++ b/indra/llkdu/llimagej2ckdu.h @@ -58,17 +58,21 @@ protected: /*virtual*/ BOOL decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, S32 first_channel, S32 max_channel_count); /*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); 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); void setupCodeStream(LLImageJ2C &base, BOOL keep_codestream, ECodeStreamMode mode); void cleanupCodeStream(); - BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, ECodeStreamMode mode, S32 first_channel, S32 max_channel_count ); // Encode variable LLKDUMemSource *mInputp; kdu_codestream *mCodeStreamp; kdu_coords *mTPosp; // tile position kdu_dims *mTileIndicesp; + int mBlocksSize; + int mPrecinctsSize; // Temporary variables for in-progress decodes... LLImageRaw *mRawImagep; diff --git a/indra/llkdu/llkdumem.cpp b/indra/llkdu/llkdumem.cpp index 1f549cbbe0..0347475559 100644 --- a/indra/llkdu/llkdumem.cpp +++ b/indra/llkdu/llkdumem.cpp @@ -47,12 +47,12 @@ LLKDUMemIn::LLKDUMemIn(const U8 *data, num_components = in_num_components; alignment_bytes = 0; - for (n=0; n<3; ++n) + for (n = 0; n < 3; ++n) { precision[n] = 0; } - for (n=0; n < num_components; ++n) + for (n = 0; n < num_components; ++n) { siz->set(Sdims,n,0,rows); siz->set(Sdims,n,1,cols); @@ -80,12 +80,12 @@ LLKDUMemIn::~LLKDUMemIn() } image_line_buf *tmp; while ((tmp=incomplete_lines) != NULL) - { + { incomplete_lines = tmp->next; delete tmp; } while ((tmp=free_lines) != NULL) - { + { free_lines = tmp->next; delete tmp; } @@ -98,16 +98,16 @@ bool LLKDUMemIn::get(int comp_idx, kdu_line_buf &line, int x_tnum) assert((idx >= 0) && (idx < num_components)); x_tnum = x_tnum*num_components+idx; image_line_buf *scan, *prev=NULL; - for (scan=incomplete_lines; scan != NULL; prev=scan, scan=scan->next) - { + for (scan = incomplete_lines; scan != NULL; prev = scan, scan = scan->next) + { assert(scan->next_x_tnum >= x_tnum); if (scan->next_x_tnum == x_tnum) { break; } - } + } if (scan == NULL) - { // Need to read a new image line. + { // Need to read a new image line. assert(x_tnum == 0); // Must consume in very specific order. if (num_unread_rows == 0) { @@ -134,7 +134,7 @@ bool LLKDUMemIn::get(int comp_idx, kdu_line_buf &line, int x_tnum) num_unread_rows--; scan->accessed_samples = 0; scan->next_x_tnum = 0; - } + } assert((cols-scan->accessed_samples) >= line.get_width()); @@ -161,7 +161,7 @@ bool LLKDUMemIn::get(int comp_idx, kdu_line_buf &line, int x_tnum) } } else - { + { kdu_sample16 *dp = line.get_buf16(); if (line.is_absolute()) { // 16-bit absolute integers @@ -177,7 +177,7 @@ bool LLKDUMemIn::get(int comp_idx, kdu_line_buf &line, int x_tnum) dp->ival = (((kdu_int16)(*sp)) - 128) << (KDU_FIX_POINT-8); } } - } + } scan->next_x_tnum++; if (idx == (num_components-1)) diff --git a/indra/llkdu/llkdumem.h b/indra/llkdu/llkdumem.h index 7064de4408..9d923fc367 100644 --- a/indra/llkdu/llkdumem.h +++ b/indra/llkdu/llkdumem.h @@ -39,7 +39,7 @@ class LLKDUMemSource: public kdu_compressed_source { -public: // Member functions +public: LLKDUMemSource(U8 *input_buffer, U32 size) { mData = input_buffer; @@ -47,11 +47,11 @@ public: // Member functions mCurPos = 0; } - ~LLKDUMemSource() + ~LLKDUMemSource() { } - int read(kdu_byte *buf, int num_bytes) + int read(kdu_byte *buf, int num_bytes) { U32 num_out; num_out = num_bytes; @@ -70,7 +70,7 @@ public: // Member functions mCurPos = 0; } -private: // Data +private: U8 *mData; U32 mSize; U32 mCurPos; @@ -78,7 +78,7 @@ private: // Data class LLKDUMemTarget: public kdu_compressed_target { -public: // Member functions +public: LLKDUMemTarget(U8 *output_buffer, U32 &output_size, const U32 buffer_size) { mData = output_buffer; @@ -87,11 +87,11 @@ public: // Member functions mOutputSize = &output_size; } - ~LLKDUMemTarget() - { + ~LLKDUMemTarget() + { } - bool write(const kdu_byte *buf, int num_bytes) + bool write(const kdu_byte *buf, int num_bytes) { U32 num_out; num_out = num_bytes; @@ -108,7 +108,7 @@ public: // Member functions return true; } -private: // Data +private: U8 *mData; U32 mSize; U32 mCurPos; @@ -117,27 +117,27 @@ private: // Data class LLKDUMemIn : public kdu_image_in_base { -public: // Member functions - LLKDUMemIn(const U8 *data, +public: + LLKDUMemIn(const U8 *data, const U32 size, const U16 rows, const U16 cols, U8 in_num_components, siz_params *siz); - ~LLKDUMemIn(); + ~LLKDUMemIn(); - bool get(int comp_idx, kdu_line_buf &line, int x_tnum); + bool get(int comp_idx, kdu_line_buf &line, int x_tnum); -private: // Data +private: const U8 *mData; - int first_comp_idx; - int num_components; - int rows, cols; - int alignment_bytes; // Number of 0's at end of each line. - int precision[3]; - image_line_buf *incomplete_lines; // Each "sample" represents a full pixel - image_line_buf *free_lines; - int num_unread_rows; + int first_comp_idx; + int num_components; + int rows, cols; + int alignment_bytes; // Number of 0's at end of each line. + int precision[3]; + image_line_buf *incomplete_lines; // Each "sample" represents a full pixel + image_line_buf *free_lines; + int num_unread_rows; U32 mCurPos; U32 mDataSize; |