diff options
Diffstat (limited to 'indra/llkdu/llimagej2ckdu.cpp')
| -rw-r--r-- | indra/llkdu/llimagej2ckdu.cpp | 248 |
1 files changed, 135 insertions, 113 deletions
diff --git a/indra/llkdu/llimagej2ckdu.cpp b/indra/llkdu/llimagej2ckdu.cpp index bf7cfbe071..7eba9494a6 100644 --- a/indra/llkdu/llimagej2ckdu.cpp +++ b/indra/llkdu/llimagej2ckdu.cpp @@ -163,6 +163,7 @@ private: S32 mNumComponents; bool mUseYCC; kdu_dims mDims; + kdu_push_pull_params mParams; kdu_sample_allocator mAllocator; kdu_tile_comp mComps[4]; kdu_line_buf mLines[4]; @@ -255,7 +256,7 @@ LLImageJ2CKDU::LLImageJ2CKDU() : LLImageJ2CImpl(), mCodeStreamp(), mTPosp(), mTileIndicesp(), - mRawImagep(NULL), + mRawImagep(nullptr), mDecodeState(), mBlocksSize(-1), mPrecinctsSize(-1), @@ -279,103 +280,118 @@ void LLImageJ2CKDU::setupCodeStream(LLImageJ2C &base, bool keep_codestream, ECod { LLImageDataLock lock(&base); - S32 data_size = base.getDataSize(); - S32 max_bytes = (base.getMaxBytes() ? base.getMaxBytes() : data_size); + try + { - // - // Initialization - // - mCodeStreamp.reset(); + S32 data_size = base.getDataSize(); + S32 max_bytes = (base.getMaxBytes() ? base.getMaxBytes() : data_size); - // It's not clear to nat under what circumstances we would reuse a - // pre-existing LLKDUMemSource instance. As of 2016-08-05, it consists of - // two U32s and a pointer, so it's not as if it would be a huge overhead - // to allocate a new one every time. - // Also -- why is base.getData() tested specifically here? If that returns - // NULL, shouldn't we bail out of the whole method? - if (!mInputp && base.getData()) - { - // The compressed data has been loaded - // Setup the source for the codestream - mInputp.reset(new LLKDUMemSource(base.getData(), data_size)); - } + // + // Initialization + // + mCodeStreamp.reset(); - if (mInputp) - { - // This is LLKDUMemSource::reset(), not boost::scoped_ptr::reset(). - mInputp->reset(); - } + // It's not clear to nat under what circumstances we would reuse a + // pre-existing LLKDUMemSource instance. As of 2016-08-05, it consists of + // two U32s and a pointer, so it's not as if it would be a huge overhead + // to allocate a new one every time. + // Also -- why is base.getData() tested specifically here? If that returns + // nullptr, shouldn't we bail out of the whole method? + if (!mInputp && base.getData()) + { + // The compressed data has been loaded + // Setup the source for the codestream + mInputp = std::make_unique<LLKDUMemSource>(base.getData(), data_size); + } - mCodeStreamp->create(mInputp.get()); + if (mInputp) + { + // This is LLKDUMemSource::reset(), not std::unique_ptr::reset(). + mInputp->reset(); + } - // Set the maximum number of bytes to use from the codestream - // *TODO: This seems to be wrong. The base class should have no idea of - // how j2c compression works so no good way of computing what's the byte - // range to be used. - mCodeStreamp->set_max_bytes(max_bytes,true); + mCodeStreamp->create(mInputp.get()); - // 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 - // may use "kdu_codestream::set_max_bytes". - // 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 - // 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. + // Set the maximum number of bytes to use from the codestream + // *TODO: This seems to be wrong. The base class should have no idea of + // how j2c compression works so no good way of computing what's the byte + // range to be used. + mCodeStreamp->set_max_bytes(max_bytes); - switch (mode) - { - case MODE_FAST: - mCodeStreamp->set_fast(); - break; - case MODE_RESILIENT: - mCodeStreamp->set_resilient(); - break; - case MODE_FUSSY: - mCodeStreamp->set_fussy(); - break; - default: - llassert(0); - mCodeStreamp->set_fast(); - } + // 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 + // may use "kdu_codestream::set_max_bytes". + // 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 + // 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. - kdu_dims dims; - mCodeStreamp->get_dims(0,dims); + switch (mode) + { + case MODE_FAST: + mCodeStreamp->set_fast(); + break; + case MODE_RESILIENT: + mCodeStreamp->set_resilient(); + break; + case MODE_FUSSY: + mCodeStreamp->set_fussy(); + break; + default: + llassert(0); + mCodeStreamp->set_fast(); + } + + kdu_dims dims; + mCodeStreamp->get_dims(0, dims); - S32 components = mCodeStreamp->get_num_components(); + S32 components = mCodeStreamp->get_num_components(); - // Check that components have consistent dimensions (for PPM file) - for (int idx = 1; idx < components; ++idx) - { - kdu_dims other_dims; - mCodeStreamp->get_dims(idx, other_dims); - if (other_dims != dims) + // Check that components have consistent dimensions (for PPM file) + for (int idx = 1; idx < components; ++idx) { - // This method is only called from methods that catch KDUError. - // We want to fail the image load, not crash the viewer. - LLTHROW(KDUError(STRINGIZE("Component " << idx << " dimensions " - << stringize(other_dims) - << " do not match component 0 dimensions " - << stringize(dims) << "!"))); + kdu_dims other_dims; + mCodeStreamp->get_dims(idx, other_dims); + if (other_dims != dims) + { + // This method is only called from methods that catch KDUError. + // We want to fail the image load, not crash the viewer. + LLTHROW(KDUError(STRINGIZE("Component " << idx << " dimensions " + << stringize(other_dims) + << " do not match component 0 dimensions " + << stringize(dims) << "!"))); + } } - } - // Get the number of resolution levels in that image - mLevels = mCodeStreamp->get_min_dwt_levels(); + // Get the number of resolution levels in that image + mLevels = mCodeStreamp->get_min_dwt_levels(); - // Set the base dimensions - base.setSize(dims.size.x, dims.size.y, components); - base.setLevels(mLevels); + // Set the base dimensions + base.setSize(dims.size.x, dims.size.y, components); + base.setLevels(mLevels); - if (!keep_codestream) + if (!keep_codestream) + { + mCodeStreamp.reset(); + mInputp.reset(); + } + } + catch (std::bad_alloc&) { - mCodeStreamp.reset(); - mInputp.reset(); + // we are in a thread, can't show an 'out of memory' here, + // main thread will keep going + throw; + } + catch (...) + { + LLTHROW(KDUError(STRINGIZE("Unknown J2C error : " + + boost::current_exception_diagnostic_information() << "!"))); } } @@ -446,8 +462,8 @@ bool LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco mCodeStreamp->change_appearance(false, true, false); // Apply loading discard level and cropping if required - kdu_dims* region_kdu = NULL; - if (region != NULL) + kdu_dims* region_kdu = nullptr; + if (region != nullptr) { region_kdu = new kdu_dims; region_kdu->pos.x = region[0]; @@ -464,7 +480,7 @@ bool LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco if (region_kdu) { delete region_kdu; - region_kdu = NULL; + region_kdu = nullptr; } // Resize raw_image according to the image to be decoded @@ -475,12 +491,12 @@ bool LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco if (!mTileIndicesp) { - mTileIndicesp.reset(new kdu_dims); + mTileIndicesp = std::make_unique<kdu_dims>(); } mCodeStreamp->get_valid_tiles(*mTileIndicesp); if (!mTPosp) { - mTPosp.reset(new kdu_coords); + mTPosp = std::make_unique<kdu_coords>(); mTPosp->y = 0; mTPosp->x = 0; } @@ -490,7 +506,7 @@ bool LLImageJ2CKDU::initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco base.setLastError(msg.what()); return false; } - catch (kdu_exception kdu_value) + catch (const kdu_exception& kdu_value) { // KDU internally throws kdu_exception. It's possible that such an // exception might leak out into our code. Catch kdu_exception @@ -581,8 +597,7 @@ bool LLImageJ2CKDU::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco kdu_coords offset = tile_dims.pos - dims.pos; int row_gap = channels*dims.size.x; // inter-row separation kdu_byte *buf = buffer + offset.y*row_gap + offset.x*channels; - mDecodeState.reset(new LLKDUDecodeState(tile, buf, row_gap, - mCodeStreamp.get())); + mDecodeState = std::make_unique<LLKDUDecodeState>(tile, buf, row_gap, mCodeStreamp.get()); } // Do the actual processing F32 remaining_time = limit_time ? decode_time - decode_timer.getElapsedTimeF32().value() : 0.0f; @@ -607,7 +622,7 @@ bool LLImageJ2CKDU::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 deco cleanupCodeStream(); return true; // done } - catch (kdu_exception kdu_value) + catch (const kdu_exception& kdu_value) { // KDU internally throws kdu_exception. It's possible that such an // exception might leak out into our code. Catch kdu_exception @@ -647,6 +662,12 @@ bool LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co bool vflip = true; bool hflip = false; + if (raw_image.isBufferInvalid()) + { + base.setLastError("Invalid input, no buffer"); + return false; + } + try { // Set up input image files @@ -810,7 +831,7 @@ bool LLImageJ2CKDU::encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, co base.setLastError(msg.what()); return false; } - catch (kdu_exception kdu_value) + catch (const kdu_exception& kdu_value) { // KDU internally throws kdu_exception. It's possible that such an // exception might leak out into our code. Catch kdu_exception @@ -844,7 +865,7 @@ bool LLImageJ2CKDU::getMetadata(LLImageJ2C &base) base.setLastError(msg.what()); return false; } - catch (kdu_exception kdu_value) + catch (const kdu_exception& kdu_value) { // KDU internally throws kdu_exception. It's possible that such an // exception might leak out into our code. Catch kdu_exception @@ -976,8 +997,8 @@ void LLImageJ2CKDU::findDiscardLevelsBoundaries(LLImageJ2C &base) //std::cout << "Parsing discard level = " << discard_level << std::endl; // Create the input codestream object. setupCodeStream(base, true, MODE_FAST); - mCodeStreamp->apply_input_restrictions(0, 4, discard_level, 0, NULL); - mCodeStreamp->set_max_bytes(KDU_LONG_MAX,true); + mCodeStreamp->apply_input_restrictions(0, 4, discard_level, 0, nullptr); + mCodeStreamp->set_max_bytes(KDU_LONG_MAX,false); siz_params *siz_in = mCodeStreamp->access_siz(); // Create the output codestream object. @@ -1073,8 +1094,10 @@ void LLImageJ2CKDU::findDiscardLevelsBoundaries(LLImageJ2C &base) void set_default_colour_weights(kdu_params *siz) { + kdu_params *enc = siz->access_cluster(ENC_params); + assert(enc != nullptr); kdu_params *cod = siz->access_cluster(COD_params); - assert(cod != NULL); + assert(cod != nullptr); bool can_use_ycc = true; bool rev0 = false; @@ -1111,7 +1134,7 @@ void set_default_colour_weights(kdu_params *siz) return; } float weight; - if (cod->get(Clev_weights,0,0,weight) || cod->get(Cband_weights,0,0,weight)) + if (enc->get(Clev_weights,0,0,weight) || enc->get(Cband_weights,0,0,weight)) { // Weights already specified explicitly -> nothing to do return; @@ -1120,17 +1143,16 @@ void set_default_colour_weights(kdu_params *siz) // 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=" + enc->parse_string("Cband_weights:C0=" "{0.0901},{0.2758},{0.2758}," "{0.7018},{0.8378},{0.8378},{1}"); - cod->parse_string("Cband_weights:C1=" + enc->parse_string("Cband_weights:C1=" "{0.0263},{0.0863},{0.0863}," "{0.1362},{0.2564},{0.2564}," "{0.3346},{0.4691},{0.4691}," "{0.5444},{0.6523},{0.6523}," "{0.7078},{0.7797},{0.7797},{1}"); - cod->parse_string("Cband_weights:C2=" + enc->parse_string("Cband_weights:C2=" "{0.0773},{0.1835},{0.1835}," "{0.2598},{0.4130},{0.4130}," "{0.5040},{0.6464},{0.6464}," @@ -1149,7 +1171,7 @@ byte buffer, spacing successive output samples apart by `gap' bytes all necessary level shifting, type conversion, rounding and truncation. */ { int width = src.get_width(); - if (src.get_buf32() != NULL) + if (src.get_buf32() != nullptr) { // Decompressed samples have a 32-bit representation (integer or float) assert(precision >= 8); // Else would have used 16 bit representation kdu_sample32 *sp = src.get_buf32(); @@ -1312,11 +1334,11 @@ LLKDUDecodeState::LLKDUDecodeState(kdu_tile tile, kdu_byte *buf, S32 row_gap, mLines[c].pre_create(&mAllocator,mDims.size.x,mReversible[c],use_shorts,0,0); if (res.which() == 0) // No DWT levels used { - mEngines[c] = kdu_decoder(res.access_subband(LL_BAND),&mAllocator,use_shorts); + mEngines[c] = kdu_decoder(res.access_subband(LL_BAND), &mAllocator, mParams, use_shorts); } else { - mEngines[c] = kdu_synthesis(res,&mAllocator,use_shorts); + mEngines[c] = kdu_synthesis(res, &mAllocator, mParams, use_shorts); } } mAllocator.finalize(*codestreamp); // Actually creates buffering resources @@ -1394,7 +1416,7 @@ kdc_flow_control::kdc_flow_control (kdu_supp::kdu_image_in_base *img_in, kdu_cod this->codestream = codestream; codestream.get_valid_tiles(valid_tile_indices); tile_idx = valid_tile_indices.pos; - tile = codestream.open_tile(tile_idx,NULL); + tile = codestream.open_tile(tile_idx, nullptr); // Set up the individual components num_components = codestream.get_num_components(true); @@ -1403,7 +1425,7 @@ kdc_flow_control::kdc_flow_control (kdu_supp::kdu_image_in_base *img_in, kdu_cod kdc_component_flow_control *comp = components; for (n = 0; n < num_components; n++, comp++) { - comp->line = NULL; + comp->line = nullptr; comp->reader = img_in; kdu_coords subsampling; codestream.get_subsampling(n,subsampling,true); @@ -1420,12 +1442,12 @@ kdc_flow_control::kdc_flow_control (kdu_supp::kdu_image_in_base *img_in, kdu_cod 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); + max_buffer_memory = engine.create(codestream, tile, false, nullptr, false, 1, nullptr, nullptr,false); } kdc_flow_control::~kdc_flow_control() { - if (components != NULL) + if (components != nullptr) { delete[] components; } @@ -1452,8 +1474,8 @@ bool kdc_flow_control::advance_components() if (comp->ratio_counter < 0) { found_line = true; - comp->line = engine.exchange_line(n,NULL,NULL); - assert(comp->line != NULL); + comp->line = engine.exchange_line(n,nullptr,nullptr); + assert(comp->line != nullptr); if (comp->line->get_width()) { comp->reader->get(n,*(comp->line),0); @@ -1480,9 +1502,9 @@ void kdc_flow_control::process_components() 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; + assert(comp->line != nullptr); + engine.exchange_line(n,comp->line,nullptr); + comp->line = nullptr; } } } |
