From fb5aabb532f612d2e1f021df4f02a57cdd19761f Mon Sep 17 00:00:00 2001 From: Moritz Pflanzer Date: Tue, 18 Jul 2017 14:39:55 +0100 Subject: COMPMID-415: Rename TensorLibrary to AssetsLibrary Change-Id: I0da73ae4b76a6778d3601ea5230dc5e17968deaf Reviewed-on: http://mpd-gerrit.cambridge.arm.com/80936 Reviewed-by: Anthony Barbier Tested-by: Kaizen --- tests/AssetsLibrary.cpp | 448 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 448 insertions(+) create mode 100644 tests/AssetsLibrary.cpp (limited to 'tests/AssetsLibrary.cpp') diff --git a/tests/AssetsLibrary.cpp b/tests/AssetsLibrary.cpp new file mode 100644 index 0000000000..be565d9aaf --- /dev/null +++ b/tests/AssetsLibrary.cpp @@ -0,0 +1,448 @@ +/* + * Copyright (c) 2017 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "AssetsLibrary.h" + +#include "TypePrinter.h" +#include "UserConfiguration.h" +#include "Utils.h" + +#include "arm_compute/core/ITensor.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +namespace arm_compute +{ +namespace test +{ +namespace +{ +template ::value, int>::type = 0> +void rgb_to_luminance(const RawTensor &src, RawTensor &dst) +{ + const size_t min_size = std::min(src.size(), dst.size()); + + for(size_t i = 0, j = 0; i < min_size; i += 3, ++j) + { + reinterpret_cast(dst.data())[j] = 0.2126f * src.data()[i + 0] + 0.7152f * src.data()[i + 1] + 0.0722f * src.data()[i + 2]; + } +} + +void extract_r_from_rgb(const RawTensor &src, RawTensor &dst) +{ + const size_t min_size = std::min(src.size(), dst.size()); + + for(size_t i = 0, j = 0; i < min_size; i += 3, ++j) + { + dst.data()[j] = src.data()[i]; + } +} + +void extract_g_from_rgb(const RawTensor &src, RawTensor &dst) +{ + const size_t min_size = std::min(src.size(), dst.size()); + + for(size_t i = 1, j = 0; i < min_size; i += 3, ++j) + { + dst.data()[j] = src.data()[i]; + } +} + +void discard_comments(std::ifstream &fs) +{ + while(fs.peek() == '#') + { + fs.ignore(std::numeric_limits::max(), '\n'); + } +} + +void discard_comments_and_spaces(std::ifstream &fs) +{ + while(true) + { + discard_comments(fs); + + if(isspace(fs.peek()) == 0) + { + break; + } + + fs.ignore(1); + } +} + +std::tuple parse_ppm_header(std::ifstream &fs) +{ + // Check the PPM magic number is valid + std::array magic_number{ { 0 } }; + fs >> magic_number[0] >> magic_number[1]; + + if(magic_number[0] != 'P' || magic_number[1] != '6') + { + throw std::runtime_error("Only raw PPM format is suported"); + } + + discard_comments_and_spaces(fs); + + unsigned int width = 0; + fs >> width; + + discard_comments_and_spaces(fs); + + unsigned int height = 0; + fs >> height; + + discard_comments_and_spaces(fs); + + int max_value = 0; + fs >> max_value; + + if(!fs.good()) + { + throw std::runtime_error("Cannot read image dimensions"); + } + + if(max_value != 255) + { + throw std::runtime_error("RawTensor doesn't have 8-bit values"); + } + + discard_comments(fs); + + if(isspace(fs.peek()) == 0) + { + throw std::runtime_error("Invalid PPM header"); + } + + fs.ignore(1); + + return std::make_tuple(width, height, max_value); +} + +RawTensor load_ppm(const std::string &path) +{ + std::ifstream file(path, std::ios::in | std::ios::binary); + + if(!file.good()) + { + throw std::runtime_error("Could not load PPM image: " + path); + } + + unsigned int width = 0; + unsigned int height = 0; + + std::tie(width, height, std::ignore) = parse_ppm_header(file); + + RawTensor raw(TensorShape(width, height), Format::RGB888); + + // Check if the file is large enough to fill the image + const size_t current_position = file.tellg(); + file.seekg(0, std::ios_base::end); + const size_t end_position = file.tellg(); + file.seekg(current_position, std::ios_base::beg); + + if((end_position - current_position) < raw.size()) + { + throw std::runtime_error("Not enough data in file"); + } + + file.read(reinterpret_cast(raw.data()), raw.size()); + + if(!file.good()) + { + throw std::runtime_error("Failure while reading image buffer"); + } + + return raw; +} +} // namespace + +AssetsLibrary::AssetsLibrary(std::string path, std::random_device::result_type seed) //NOLINT + : _library_path(std::move(path)), + _seed{ seed } +{ +} + +std::random_device::result_type AssetsLibrary::seed() const +{ + return _seed; +} + +void AssetsLibrary::fill(RawTensor &raw, const std::string &name, Format format) const +{ + //FIXME: Should be done by swapping cached buffers + const RawTensor &src = get(name, format); + std::copy_n(src.data(), raw.size(), raw.data()); +} + +void AssetsLibrary::fill(RawTensor &raw, const std::string &name, Channel channel) const +{ + fill(raw, name, get_format_for_channel(channel), channel); +} + +void AssetsLibrary::fill(RawTensor &raw, const std::string &name, Format format, Channel channel) const +{ + const RawTensor &src = get(name, format, channel); + std::copy_n(src.data(), raw.size(), raw.data()); +} + +const AssetsLibrary::Loader &AssetsLibrary::get_loader(const std::string &extension) const +{ + static std::unordered_map loaders = + { + { "ppm", load_ppm } + }; + + const auto it = loaders.find(extension); + + if(it != loaders.end()) + { + return it->second; + } + else + { + throw std::invalid_argument("Cannot load image with extension '" + extension + "'"); + } +} + +const AssetsLibrary::Converter &AssetsLibrary::get_converter(Format src, Format dst) const +{ + static std::map, Converter> converters = + { + { std::make_pair(Format::RGB888, Format::U8), rgb_to_luminance }, + { std::make_pair(Format::RGB888, Format::U16), rgb_to_luminance }, + { std::make_pair(Format::RGB888, Format::S16), rgb_to_luminance }, + { std::make_pair(Format::RGB888, Format::U32), rgb_to_luminance } + }; + + const auto it = converters.find(std::make_pair(src, dst)); + + if(it != converters.end()) + { + return it->second; + } + else + { + std::stringstream msg; + msg << "Cannot convert from format '" << src << "' to format '" << dst << "'\n"; + throw std::invalid_argument(msg.str()); + } +} + +const AssetsLibrary::Converter &AssetsLibrary::get_converter(DataType src, Format dst) const +{ + static std::map, Converter> converters = {}; + + const auto it = converters.find(std::make_pair(src, dst)); + + if(it != converters.end()) + { + return it->second; + } + else + { + std::stringstream msg; + msg << "Cannot convert from data type '" << src << "' to format '" << dst << "'\n"; + throw std::invalid_argument(msg.str()); + } +} + +const AssetsLibrary::Converter &AssetsLibrary::get_converter(DataType src, DataType dst) const +{ + static std::map, Converter> converters = {}; + + const auto it = converters.find(std::make_pair(src, dst)); + + if(it != converters.end()) + { + return it->second; + } + else + { + std::stringstream msg; + msg << "Cannot convert from data type '" << src << "' to data type '" << dst << "'\n"; + throw std::invalid_argument(msg.str()); + } +} + +const AssetsLibrary::Converter &AssetsLibrary::get_converter(Format src, DataType dst) const +{ + static std::map, Converter> converters = {}; + + const auto it = converters.find(std::make_pair(src, dst)); + + if(it != converters.end()) + { + return it->second; + } + else + { + std::stringstream msg; + msg << "Cannot convert from format '" << src << "' to data type '" << dst << "'\n"; + throw std::invalid_argument(msg.str()); + } +} + +const AssetsLibrary::Extractor &AssetsLibrary::get_extractor(Format format, Channel channel) const +{ + static std::map, Extractor> extractors = + { + { std::make_pair(Format::RGB888, Channel::R), extract_r_from_rgb }, + { std::make_pair(Format::RGB888, Channel::G), extract_g_from_rgb } + }; + + const auto it = extractors.find(std::make_pair(format, channel)); + + if(it != extractors.end()) + { + return it->second; + } + else + { + std::stringstream msg; + msg << "Cannot extract channel '" << channel << "' from format '" << format << "'\n"; + throw std::invalid_argument(msg.str()); + } +} + +RawTensor AssetsLibrary::load_image(const std::string &name) const +{ +#ifdef _WIN32 + const std::string image_path = ("\\images\\"); +#else /* _WIN32 */ + const std::string image_path = ("/images/"); +#endif /* _WIN32 */ + + const std::string path = _library_path + image_path + name; + const std::string extension = path.substr(path.find_last_of('.') + 1); + return (*get_loader(extension))(path); +} + +const RawTensor &AssetsLibrary::find_or_create_raw_tensor(const std::string &name, Format format) const +{ + std::lock_guard guard(_format_lock); + + const RawTensor *ptr = _cache.find(std::make_tuple(name, format)); + + if(ptr != nullptr) + { + return *ptr; + } + + RawTensor raw = load_image(name); + + if(raw.format() != format) + { + //FIXME: Remove unnecessary copy + RawTensor dst(raw.shape(), format); + (*get_converter(raw.format(), format))(raw, dst); + raw = std::move(dst); + } + + return _cache.add(std::make_tuple(name, format), std::move(raw)); +} + +const RawTensor &AssetsLibrary::find_or_create_raw_tensor(const std::string &name, Format format, Channel channel) const +{ + std::lock_guard guard(_channel_lock); + + const RawTensor *ptr = _cache.find(std::make_tuple(name, format, channel)); + + if(ptr != nullptr) + { + return *ptr; + } + + const RawTensor &src = get(name, format); + //FIXME: Need to change shape to match channel + RawTensor dst(src.shape(), get_channel_format(channel)); + + (*get_extractor(format, channel))(src, dst); + + return _cache.add(std::make_tuple(name, format, channel), std::move(dst)); +} + +TensorShape AssetsLibrary::get_image_shape(const std::string &name) +{ + return load_image(name).shape(); +} + +const RawTensor &AssetsLibrary::get(const std::string &name) const +{ + //FIXME: Format should be derived from the image name. Not be fixed to RGB. + return find_or_create_raw_tensor(name, Format::RGB888); +} + +RawTensor AssetsLibrary::get(const std::string &name) +{ + //FIXME: Format should be derived from the image name. Not be fixed to RGB. + return RawTensor(find_or_create_raw_tensor(name, Format::RGB888)); +} + +RawTensor AssetsLibrary::get(const std::string &name, DataType data_type, int num_channels) const +{ + const RawTensor &raw = get(name); + + return RawTensor(raw.shape(), data_type, num_channels); +} + +const RawTensor &AssetsLibrary::get(const std::string &name, Format format) const +{ + return find_or_create_raw_tensor(name, format); +} + +RawTensor AssetsLibrary::get(const std::string &name, Format format) +{ + return RawTensor(find_or_create_raw_tensor(name, format)); +} + +const RawTensor &AssetsLibrary::get(const std::string &name, Channel channel) const +{ + return get(name, get_format_for_channel(channel), channel); +} + +RawTensor AssetsLibrary::get(const std::string &name, Channel channel) +{ + return RawTensor(get(name, get_format_for_channel(channel), channel)); +} + +const RawTensor &AssetsLibrary::get(const std::string &name, Format format, Channel channel) const +{ + return find_or_create_raw_tensor(name, format, channel); +} + +RawTensor AssetsLibrary::get(const std::string &name, Format format, Channel channel) +{ + return RawTensor(find_or_create_raw_tensor(name, format, channel)); +} +} // namespace test +} // namespace arm_compute -- cgit v1.2.1