/* libheif example application "heif-test". MIT License Copyright (c) 2017 Dirk Farin 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 #include #if defined(HAVE_UNISTD_H) #include #else #define STDOUT_FILENO 1 #endif #include #include #include #include #include #include #include "common.h" static struct option long_options[] = { //{"write-raw", required_argument, 0, 'w' }, //{"output", required_argument, 0, 'o' }, {(char* const) "decode-img", required_argument, 0, 'd'}, {(char* const) "metadata", required_argument, 0, 'm'}, {(char* const) "version", required_argument, 0, 'v'}, {0, 0, 0, 0} }; void show_help(const char* argv0) { fprintf(stderr, " heif-test libheif version: %s\n", heif_get_version()); fprintf(stderr, "------------------------------------\n"); fprintf(stderr, "usage: heif-test [options] image.heic\n"); fprintf(stderr, "\n"); fprintf(stderr, "options:\n"); fprintf(stderr, " -d, --decode-img ID decode image and output raw pixel data of all planes\n"); fprintf(stderr, " -m, --metadata ID output metadata\n"); fprintf(stderr, " -h, --help show help\n"); fprintf(stderr, " -v, --version show version\n"); } std::pair parse_id_pair(const std::string& s) { std::string::size_type p = s.find_first_of(':'); if (p == std::string::npos) { fprintf(stderr, "id pair has to be in this format: 'ID:ID'\n"); exit(1); } std::pair pair; pair.first = atoi(s.substr(0, p).c_str()); pair.second = atoi(s.substr(p + 1).c_str()); return pair; } int main(int argc, char** argv) { std::vector image_IDs; std::vector> metadata_IDs; // first: image, second: metadata while (true) { int option_index = 0; int c = getopt_long(argc, argv, "d:m:hv", long_options, &option_index); if (c == -1) break; switch (c) { case 'd': image_IDs.push_back(atoi(optarg)); break; case 'm': metadata_IDs.push_back(parse_id_pair(optarg)); break; case 'h': show_help(argv[0]); return 0; case 'v': show_version(); return 0; } } if (optind != argc - 1) { show_help(argv[0]); return 0; } const char* input_filename = argv[optind]; // ============================================================================== try { heif::Context ctx; ctx.read_from_file(input_filename); // --- dump images for (auto id : image_IDs) { heif::ImageHandle handle = ctx.get_image_handle(id); heif::Image img = handle.decode_image(heif_colorspace_undefined, heif_chroma_undefined); std::vector channel_candidates{ heif_channel_Y, heif_channel_Cb, heif_channel_Cr, heif_channel_R, heif_channel_G, heif_channel_B, heif_channel_Alpha, heif_channel_interleaved }; for (heif_channel channel : channel_candidates) { if (img.has_channel(channel)) { int width = img.get_width(channel); int height = img.get_height(channel); int bytes = (img.get_bits_per_pixel(channel) + 7) / 8; int stride; const uint8_t* p = img.get_plane(channel, &stride); for (int y = 0; y < height; y++) { fwrite(p + y * stride, width, bytes, stdout); } } } } // --- dump metadata for (auto idpair : metadata_IDs) { heif::ImageHandle handle = ctx.get_image_handle(idpair.first); std::vector data = handle.get_metadata(idpair.second); fwrite(data.data(), data.size(), 1, stdout); } } catch (const heif::Error& err) { std::cerr << err.get_message() << "\n"; } return 0; }