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https://gitlab.com/mbunkus/mkvtoolnix.git
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add dts_dump, a tool for dumping frame info from DTS elementary streams
This commit is contained in:
Moritz Bunkus
parent
0602c3985e
commit
0398b02eea
1
.gitignore
vendored
1
.gitignore
vendored
@ -87,6 +87,7 @@
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/src/tools/bluray_dump
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/src/tools/checksum
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/src/tools/diracparser
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/src/tools/dts_dump
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/src/tools/ebml_validator
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/src/tools/hevcc_dump
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/src/tools/pgs_dump
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2
Rakefile
2
Rakefile
@ -76,7 +76,7 @@ def setup_globals
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$programs = %w{mkvmerge mkvinfo mkvextract mkvpropedit}
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$programs << "mkvtoolnix-gui" if $build_mkvtoolnix_gui
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$tools = %w{ac3parser base64tool bluray_dump checksum diracparser ebml_validator hevcc_dump pgs_dump vc1parser xvc_dump}
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$tools = %w{ac3parser base64tool bluray_dump checksum diracparser dts_dump ebml_validator hevcc_dump pgs_dump vc1parser xvc_dump}
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$application_subdirs = { "mkvtoolnix-gui" => "mkvtoolnix-gui/" }
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$applications = $programs.map { |name| "src/#{$application_subdirs[name]}#{name}" + c(:EXEEXT) }
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182
src/tools/dts_dump.cpp
Normal file
182
src/tools/dts_dump.cpp
Normal file
@ -0,0 +1,182 @@
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/*
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dts_dump - A tool for dumping DTS structures
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Distributed under the GPL v2
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see the file COPYING for details
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or visit https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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Written by Moritz Bunkus <moritz@bunkus.org>.
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*/
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#include "common/common_pch.h"
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#include "common/dts.h"
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#include "common/dts_parser.h"
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#include "common/checksums/base_fwd.h"
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#include "common/command_line.h"
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#include "common/mm_io_x.h"
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#include "common/mm_file_io.h"
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#include "common/qt.h"
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static bool s_portable_format{};
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static void
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setup_help() {
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mtx::cli::g_usage_text = "dts_dump [options] input_file_name\n"
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"\n"
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"General options:\n"
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"\n"
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" -p, --portable-format Output a format that's comparable with e.g. 'diff'\n"
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" by not outputting the frames' positions.\n"
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" -h, --help This help text\n"
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" -V, --version Print version information\n";
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}
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static std::string
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parse_args(std::vector<std::string> &args) {
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std::string file_name;
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for (auto & arg: args) {
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if ((arg == "-p") || (arg == "--portable-format"))
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s_portable_format = true;
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else if (!file_name.empty())
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mxerror(Y("More than one source file was given.\n"));
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else
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file_name = arg;
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}
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if (file_name.empty()) {
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mxinfo(fmt::format("{0}\n", mtx::cli::g_usage_text));
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mxerror(Y("No file name given\n"));
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}
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return file_name;
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}
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static mm_file_io_cptr
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open_file(std::string const &file_name) {
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try {
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return std::make_shared<mm_file_io_c>(file_name);
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} catch (mtx::mm_io::exception &) {
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mxerror(Y("File not found\n"));
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}
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return {};
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}
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static std::string
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dts_type_to_string(mtx::dts::dts_type_e type) {
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return type == mtx::dts::dts_type_e::normal ? "normal"
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: type == mtx::dts::dts_type_e::high_resolution ? "high_resolution"
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: type == mtx::dts::dts_type_e::master_audio ? "master_audio"
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: type == mtx::dts::dts_type_e::express ? "express"
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: type == mtx::dts::dts_type_e::es ? "es"
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: type == mtx::dts::dts_type_e::x96_24 ? "x96_24"
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: "unknown";
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}
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static std::string
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lfe_type_to_string(mtx::dts::lfe_type_e type) {
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return type == mtx::dts::lfe_type_e::none ? "none"
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: type == mtx::dts::lfe_type_e::lfe_128 ? "lfe_128"
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: type == mtx::dts::lfe_type_e::lfe_64 ? "lfe_64"
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: type == mtx::dts::lfe_type_e::invalid ? "invalid"
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: "unknown";
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}
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static std::string
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extension_audio_descriptor_to_string(mtx::dts::extension_audio_descriptor_e descriptor) {
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return descriptor == mtx::dts::extension_audio_descriptor_e::xch ? "xch"
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: descriptor == mtx::dts::extension_audio_descriptor_e::unknown1 ? "unknown1"
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: descriptor == mtx::dts::extension_audio_descriptor_e::x96k ? "x96k"
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: descriptor == mtx::dts::extension_audio_descriptor_e::xch_x96k ? "xch_x96k"
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: descriptor == mtx::dts::extension_audio_descriptor_e::unknown4 ? "unknown4"
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: descriptor == mtx::dts::extension_audio_descriptor_e::unknown5 ? "unknown5"
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: descriptor == mtx::dts::extension_audio_descriptor_e::unknown6 ? "unknown6"
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: descriptor == mtx::dts::extension_audio_descriptor_e::unknown7 ? "unknown7"
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: "unknown";
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}
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static void
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parse_file(std::string const &file_name) {
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auto in_ptr = open_file(file_name);
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auto &in = *in_ptr;
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auto file_size = static_cast<uint64_t>(in.get_size());
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auto file_pos = uint64_t{};
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auto const buffer_size = 100'000;
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auto buffer_ptr = memory_c::alloc(buffer_size);
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auto buffer = buffer_ptr->get_buffer();
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auto buffer_fill = 0u;
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auto end_of_file = false;
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mtx::dts::parser_c parser;
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do {
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auto bytes_to_read = std::min<uint64_t>(file_size - in.getFilePointer(), buffer_size - buffer_fill);
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if (!bytes_to_read)
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break;
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end_of_file = (file_pos + bytes_to_read) >= file_size;
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auto num_read = in.read(&buffer[buffer_fill], bytes_to_read);
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buffer_fill += num_read;
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auto buffer_pos = 0u;
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while (true) {
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mtx::dts::header_t dtsheader{};
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auto pos = mtx::dts::find_header(&buffer[buffer_pos], buffer_fill, dtsheader, end_of_file);
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if ((0 > pos) || ((buffer_pos + pos + dtsheader.frame_byte_size) > buffer_fill)) {
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buffer_fill -= buffer_pos;
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std::memmove(&buffer[0], &buffer[buffer_pos], buffer_fill);
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break;
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}
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auto checksum = mtx::checksum::calculate_as_hex_string(mtx::checksum::algorithm_e::md5, &buffer[buffer_pos + pos], dtsheader.frame_byte_size);
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mxinfo(fmt::format("Frame size {0}{1} dts_type {2} channels {3} ({4}+{5}) lfe {6} sampling_frequency {7} (ext {8}) extension {9} dialog_normalization_gain {10} (ext {11}) "
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"has_core {12} has_exss {13}{14} has_xch {15} checksum {16}\n",
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dtsheader.frame_byte_size,
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s_portable_format ? ""s : fmt::format(" pos {0}", file_pos),
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dts_type_to_string(dtsheader.dts_type),
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dtsheader.get_total_num_audio_channels(),
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dtsheader.get_core_num_audio_channels(),
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dtsheader.get_total_num_audio_channels() - dtsheader.get_core_num_audio_channels(),
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lfe_type_to_string(dtsheader.lfe_type),
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dtsheader.core_sampling_frequency,
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dtsheader.extension_sampling_frequency.value_or(0),
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dtsheader.extended_coding ? extension_audio_descriptor_to_string(dtsheader.extension_audio_descriptor) : u8"—"s,
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dtsheader.dialog_normalization_gain,
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dtsheader.extension_dialog_normalization_gain,
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dtsheader.has_core,
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dtsheader.has_exss,
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dtsheader.has_exss ? fmt::format(" (header_size {0} part_size {1} pos {2})", dtsheader.exss_header_size, dtsheader.exss_part_size, dtsheader.exss_offset) : ""s,
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dtsheader.has_xch,
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checksum));
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file_pos += pos + dtsheader.frame_byte_size;
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buffer_pos += pos + dtsheader.frame_byte_size;
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}
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} while (!end_of_file);
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}
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int
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main(int argc,
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char **argv) {
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mtx_common_init("dts_dump", argv[0]);
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setup_help();
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auto args = mtx::cli::args_in_utf8(argc, argv);
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while (mtx::cli::handle_common_args(args, "-r"))
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;
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auto file_name = parse_args(args);
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parse_file(file_name);
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mxexit();
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}
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