mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-03 11:26:48 -05:00
726 lines
18 KiB
C++
726 lines
18 KiB
C++
/*
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* openmpt123.hpp
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* --------------
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* Purpose: libopenmpt command line player
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#ifndef OPENMPT123_HPP
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#define OPENMPT123_HPP
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#include "openmpt123_config.hpp"
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#include "mpt/base/compiletime_warning.hpp"
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#include "mpt/base/floatingpoint.hpp"
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#include "mpt/base/preprocessor.hpp"
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#include "mpt/string_transcode/transcode.hpp"
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#include <string>
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namespace openmpt123 {
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struct exception : public openmpt::exception {
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exception( const std::string & text ) : openmpt::exception(text) { }
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};
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struct show_help_exception {
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std::string message;
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bool longhelp;
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show_help_exception( const std::string & msg = "", bool longhelp_ = true ) : message(msg), longhelp(longhelp_) { }
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};
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struct args_error_exception {
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args_error_exception() { }
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};
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struct show_help_keyboard_exception { };
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#if defined(WIN32)
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bool IsConsole( DWORD stdHandle );
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#endif
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bool IsTerminal( int fd );
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struct field {
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std::string key;
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std::string val;
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field( const std::string & key )
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: key(key)
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{
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return;
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}
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};
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class textout : public std::ostringstream {
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public:
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textout() {
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return;
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}
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virtual ~textout() {
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return;
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}
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protected:
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std::string pop() {
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std::string text = str();
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str(std::string());
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return text;
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}
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public:
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virtual void writeout() = 0;
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virtual void cursor_up( std::size_t lines ) {
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static_cast<void>( lines );
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}
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};
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class textout_dummy : public textout {
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public:
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textout_dummy() {
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return;
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}
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virtual ~textout_dummy() {
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return;
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}
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public:
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void writeout() override {
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static_cast<void>( pop() );
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}
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};
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class textout_ostream : public textout {
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private:
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std::ostream & s;
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#if defined(__DJGPP__)
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mpt::common_encoding codepage;
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#endif
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public:
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textout_ostream( std::ostream & s_ )
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: s(s_)
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#if defined(__DJGPP__)
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, codepage(mpt::common_encoding::cp437)
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#endif
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{
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#if defined(__DJGPP__)
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codepage = mpt::djgpp_get_locale_encoding();
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#endif
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return;
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}
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virtual ~textout_ostream() {
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writeout_impl();
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}
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private:
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void writeout_impl() {
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std::string text = pop();
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if ( text.length() > 0 ) {
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#if defined(__DJGPP__)
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s << mpt::transcode<std::string>( codepage, mpt::common_encoding::utf8, text );
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#elif defined(__EMSCRIPTEN__)
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s << text;
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#else
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s << mpt::transcode<std::string>( mpt::logical_encoding::locale, mpt::common_encoding::utf8, text );
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#endif
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s.flush();
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}
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}
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public:
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void writeout() override {
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writeout_impl();
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}
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void cursor_up( std::size_t lines ) override {
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s.flush();
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for ( std::size_t line = 0; line < lines; ++line ) {
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*this << "\x1b[1A";
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}
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}
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};
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#if defined(WIN32)
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class textout_ostream_console : public textout {
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private:
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#if defined(UNICODE)
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std::wostream & s;
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#else
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std::ostream & s;
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#endif
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HANDLE handle;
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bool console;
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public:
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#if defined(UNICODE)
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textout_ostream_console( std::wostream & s_, DWORD stdHandle_ )
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#else
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textout_ostream_console( std::ostream & s_, DWORD stdHandle_ )
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#endif
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: s(s_)
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, handle(GetStdHandle( stdHandle_ ))
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, console(IsConsole( stdHandle_ ))
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{
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return;
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}
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virtual ~textout_ostream_console() {
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writeout_impl();
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}
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private:
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void writeout_impl() {
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std::string text = pop();
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if ( text.length() > 0 ) {
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if ( console ) {
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#if defined(UNICODE)
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std::wstring wtext = mpt::transcode<std::wstring>( mpt::common_encoding::utf8, text );
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WriteConsole( handle, wtext.data(), static_cast<DWORD>( wtext.size() ), NULL, NULL );
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#else
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std::string ltext = mpt::transcode<std::string>( mpt::logical_encoding::locale, mpt::common_encoding::utf8, text );
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WriteConsole( handle, ltext.data(), static_cast<DWORD>( ltext.size() ), NULL, NULL );
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#endif
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} else {
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#if defined(UNICODE)
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s << mpt::transcode<std::wstring>( mpt::common_encoding::utf8, text );
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#else
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s << mpt::transcode<std::string>( mpt::logical_encoding::locale, mpt::common_encoding::utf8, text );
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#endif
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s.flush();
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}
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}
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}
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public:
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void writeout() override {
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writeout_impl();
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}
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void cursor_up( std::size_t lines ) override {
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if ( console ) {
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s.flush();
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CONSOLE_SCREEN_BUFFER_INFO csbi;
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ZeroMemory( &csbi, sizeof( CONSOLE_SCREEN_BUFFER_INFO ) );
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COORD coord_cursor = COORD();
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if ( GetConsoleScreenBufferInfo( handle, &csbi ) != FALSE ) {
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coord_cursor = csbi.dwCursorPosition;
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coord_cursor.X = 1;
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coord_cursor.Y -= static_cast<SHORT>( lines );
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SetConsoleCursorPosition( handle, coord_cursor );
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}
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}
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}
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};
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#endif // WIN32
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static inline float mpt_round( float val ) {
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if ( val >= 0.0f ) {
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return std::floor( val + 0.5f );
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} else {
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return std::ceil( val - 0.5f );
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}
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}
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static inline long mpt_lround( float val ) {
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return static_cast< long >( mpt_round( val ) );
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}
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static inline std::string append_software_tag( std::string software ) {
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std::string openmpt123 = std::string() + "openmpt123 " + OPENMPT123_VERSION_STRING + " (libopenmpt " + openmpt::string::get( "library_version" ) + ", OpenMPT " + openmpt::string::get( "core_version" ) + ")";
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if ( software.empty() ) {
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software = openmpt123;
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} else {
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software += " (via " + openmpt123 + ")";
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}
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return software;
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}
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static inline std::string get_encoder_tag() {
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return std::string() + "openmpt123 " + OPENMPT123_VERSION_STRING + " (libopenmpt " + openmpt::string::get( "library_version" ) + ", OpenMPT " + openmpt::string::get( "core_version" ) + ")";
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}
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static inline std::string get_extension( std::string filename ) {
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if ( filename.find_last_of( "." ) != std::string::npos ) {
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return filename.substr( filename.find_last_of( "." ) + 1 );
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}
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return "";
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}
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enum class Mode {
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None,
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Probe,
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Info,
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UI,
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Batch,
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Render
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};
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static inline std::string mode_to_string( Mode mode ) {
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switch ( mode ) {
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case Mode::None: return "none"; break;
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case Mode::Probe: return "probe"; break;
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case Mode::Info: return "info"; break;
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case Mode::UI: return "ui"; break;
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case Mode::Batch: return "batch"; break;
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case Mode::Render: return "render"; break;
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}
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return "";
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}
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static const std::int32_t default_low = -2;
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static const std::int32_t default_high = -1;
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struct commandlineflags {
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Mode mode;
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bool canUI;
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std::int32_t ui_redraw_interval;
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bool canProgress;
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std::string driver;
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std::string device;
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std::int32_t buffer;
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std::int32_t period;
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std::int32_t samplerate;
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std::int32_t channels;
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std::int32_t gain;
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std::int32_t separation;
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std::int32_t filtertaps;
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std::int32_t ramping; // ramping strength : -1:default 0:off 1 2 3 4 5 // roughly milliseconds
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std::int32_t tempo;
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std::int32_t pitch;
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std::int32_t dither;
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std::int32_t repeatcount;
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std::int32_t subsong;
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std::map<std::string, std::string> ctls;
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double seek_target;
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double end_time;
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bool quiet;
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bool verbose;
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int terminal_width;
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int terminal_height;
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bool show_details;
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bool show_message;
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bool show_ui;
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bool show_progress;
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bool show_meters;
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bool show_channel_meters;
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bool show_pattern;
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bool use_float;
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bool use_stdout;
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bool randomize;
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bool shuffle;
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bool restart;
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std::size_t playlist_index;
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std::vector<std::string> filenames;
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std::string output_filename;
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std::string output_extension;
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bool force_overwrite;
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bool paused;
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std::string warnings;
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void apply_default_buffer_sizes() {
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if ( ui_redraw_interval == default_high ) {
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ui_redraw_interval = 50;
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} else if ( ui_redraw_interval == default_low ) {
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ui_redraw_interval = 10;
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}
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if ( buffer == default_high ) {
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buffer = 250;
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} else if ( buffer == default_low ) {
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buffer = 50;
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}
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if ( period == default_high ) {
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period = 50;
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} else if ( period == default_low ) {
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period = 10;
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}
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}
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commandlineflags() {
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mode = Mode::UI;
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ui_redraw_interval = default_high;
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driver = "";
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device = "";
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buffer = default_high;
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period = default_high;
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#if defined(__DJGPP__)
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samplerate = 44100;
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channels = 2;
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use_float = false;
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#else
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samplerate = 48000;
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channels = 2;
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use_float = mpt::float_traits<float>::is_hard && mpt::float_traits<float>::is_ieee754_binary;
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#endif
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gain = 0;
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separation = 100;
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filtertaps = 8;
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ramping = -1;
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tempo = 0;
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pitch = 0;
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dither = 1;
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repeatcount = 0;
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subsong = -1;
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seek_target = 0.0;
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end_time = 0.0;
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quiet = false;
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verbose = false;
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#if defined(__DJGPP__)
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terminal_width = 80;
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terminal_height = 25;
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#else
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terminal_width = 72;
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terminal_height = 23;
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#endif
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#if defined(WIN32)
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terminal_width = 72;
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terminal_height = 23;
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HANDLE hStdOutput = GetStdHandle( STD_OUTPUT_HANDLE );
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if ( ( hStdOutput != NULL ) && ( hStdOutput != INVALID_HANDLE_VALUE ) ) {
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CONSOLE_SCREEN_BUFFER_INFO csbi;
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ZeroMemory( &csbi, sizeof( CONSOLE_SCREEN_BUFFER_INFO ) );
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if ( GetConsoleScreenBufferInfo( hStdOutput, &csbi ) != FALSE ) {
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terminal_width = std::min( static_cast<int>( 1 + csbi.srWindow.Right - csbi.srWindow.Left ), static_cast<int>( csbi.dwSize.X ) );
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terminal_height = std::min( static_cast<int>( 1 + csbi.srWindow.Bottom - csbi.srWindow.Top ), static_cast<int>( csbi.dwSize.Y ) );
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}
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}
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#else // WIN32
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if ( isatty( STDERR_FILENO ) ) {
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const char * env_columns = std::getenv( "COLUMNS" );
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if ( env_columns ) {
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std::istringstream istr( env_columns );
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int tmp = 0;
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istr >> tmp;
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if ( tmp > 0 ) {
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terminal_width = tmp;
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}
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}
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const char * env_rows = std::getenv( "ROWS" );
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if ( env_rows ) {
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std::istringstream istr( env_rows );
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int tmp = 0;
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istr >> tmp;
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if ( tmp > 0 ) {
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terminal_height = tmp;
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}
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}
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#if defined(TIOCGWINSZ)
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struct winsize ts;
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if ( ioctl( STDERR_FILENO, TIOCGWINSZ, &ts ) >= 0 ) {
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terminal_width = ts.ws_col;
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terminal_height = ts.ws_row;
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}
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#elif defined(TIOCGSIZE)
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struct ttysize ts;
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if ( ioctl( STDERR_FILENO, TIOCGSIZE, &ts ) >= 0 ) {
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terminal_width = ts.ts_cols;
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terminal_height = ts.ts_rows;
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}
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#endif
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}
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#endif
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show_details = true;
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show_message = false;
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#if defined(WIN32)
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canUI = IsTerminal( 0 ) ? true : false;
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canProgress = IsTerminal( 2 ) ? true : false;
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#else // !WIN32
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canUI = isatty( STDIN_FILENO ) ? true : false;
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canProgress = isatty( STDERR_FILENO ) ? true : false;
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#endif // WIN32
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show_ui = canUI;
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show_progress = canProgress;
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show_meters = canUI && canProgress;
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show_channel_meters = false;
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show_pattern = false;
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use_stdout = false;
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randomize = false;
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shuffle = false;
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restart = false;
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playlist_index = 0;
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output_extension = "auto";
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force_overwrite = false;
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paused = false;
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}
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void check_and_sanitize() {
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if ( filenames.size() == 0 ) {
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throw args_error_exception();
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}
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if ( use_stdout && ( device != commandlineflags().device || !output_filename.empty() ) ) {
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throw args_error_exception();
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}
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if ( !output_filename.empty() && ( device != commandlineflags().device || use_stdout ) ) {
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throw args_error_exception();
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}
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for ( const auto & filename : filenames ) {
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if ( filename == "-" ) {
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canUI = false;
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}
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}
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show_ui = canUI;
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if ( mode == Mode::None ) {
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if ( canUI ) {
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mode = Mode::UI;
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} else {
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mode = Mode::Batch;
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}
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}
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if ( mode == Mode::UI && !canUI ) {
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throw args_error_exception();
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}
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if ( show_progress && !canProgress ) {
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throw args_error_exception();
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}
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switch ( mode ) {
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case Mode::None:
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throw args_error_exception();
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break;
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case Mode::Probe:
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show_ui = false;
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show_progress = false;
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show_meters = false;
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show_channel_meters = false;
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show_pattern = false;
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break;
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case Mode::Info:
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show_ui = false;
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show_progress = false;
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show_meters = false;
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show_channel_meters = false;
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show_pattern = false;
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break;
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case Mode::UI:
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break;
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case Mode::Batch:
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show_meters = false;
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show_channel_meters = false;
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show_pattern = false;
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break;
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case Mode::Render:
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show_meters = false;
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show_channel_meters = false;
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show_pattern = false;
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show_ui = false;
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break;
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}
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if ( quiet ) {
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verbose = false;
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show_ui = false;
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show_details = false;
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show_progress = false;
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show_channel_meters = false;
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}
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if ( verbose ) {
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show_details = true;
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}
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if ( channels != 1 && channels != 2 && channels != 4 ) {
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channels = commandlineflags().channels;
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}
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if ( samplerate < 0 ) {
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samplerate = commandlineflags().samplerate;
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}
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if ( output_extension == "auto" ) {
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output_extension = "";
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}
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if ( mode != Mode::Render && !output_extension.empty() ) {
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throw args_error_exception();
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}
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if ( mode == Mode::Render && !output_filename.empty() ) {
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throw args_error_exception();
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}
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if ( mode != Mode::Render && !output_filename.empty() ) {
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output_extension = get_extension( output_filename );
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}
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if ( output_extension.empty() ) {
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output_extension = "wav";
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}
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}
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};
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template < typename Tsample > Tsample convert_sample_to( float val );
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template < > float convert_sample_to( float val ) {
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return val;
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}
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template < > std::int16_t convert_sample_to( float val ) {
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std::int32_t tmp = static_cast<std::int32_t>( val * 32768.0f );
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tmp = std::min( tmp, std::int32_t( 32767 ) );
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tmp = std::max( tmp, std::int32_t( -32768 ) );
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return static_cast<std::int16_t>( tmp );
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}
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class write_buffers_interface {
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protected:
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virtual ~write_buffers_interface() {
|
|
return;
|
|
}
|
|
public:
|
|
virtual void write_metadata( std::map<std::string,std::string> metadata ) {
|
|
(void)metadata;
|
|
return;
|
|
}
|
|
virtual void write_updated_metadata( std::map<std::string,std::string> metadata ) {
|
|
(void)metadata;
|
|
return;
|
|
}
|
|
virtual void write( const std::vector<float*> buffers, std::size_t frames ) = 0;
|
|
virtual void write( const std::vector<std::int16_t*> buffers, std::size_t frames ) = 0;
|
|
virtual bool pause() {
|
|
return false;
|
|
}
|
|
virtual bool unpause() {
|
|
return false;
|
|
}
|
|
virtual bool sleep( int /*ms*/ ) {
|
|
return false;
|
|
}
|
|
virtual bool is_dummy() const {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
class write_buffers_polling_wrapper : public write_buffers_interface {
|
|
protected:
|
|
std::size_t channels;
|
|
std::size_t sampleQueueMaxFrames;
|
|
std::deque<float> sampleQueue;
|
|
protected:
|
|
virtual ~write_buffers_polling_wrapper() {
|
|
return;
|
|
}
|
|
protected:
|
|
write_buffers_polling_wrapper( const commandlineflags & flags )
|
|
: channels(flags.channels)
|
|
, sampleQueueMaxFrames(0)
|
|
{
|
|
return;
|
|
}
|
|
void set_queue_size_frames( std::size_t frames ) {
|
|
sampleQueueMaxFrames = frames;
|
|
}
|
|
template < typename Tsample >
|
|
Tsample pop_queue() {
|
|
float val = 0.0f;
|
|
if ( !sampleQueue.empty() ) {
|
|
val = sampleQueue.front();
|
|
sampleQueue.pop_front();
|
|
}
|
|
return convert_sample_to<Tsample>( val );
|
|
}
|
|
public:
|
|
void write( const std::vector<float*> buffers, std::size_t frames ) override {
|
|
for ( std::size_t frame = 0; frame < frames; ++frame ) {
|
|
for ( std::size_t channel = 0; channel < channels; ++channel ) {
|
|
sampleQueue.push_back( buffers[channel][frame] );
|
|
}
|
|
while ( sampleQueue.size() >= sampleQueueMaxFrames * channels ) {
|
|
while ( !forward_queue() ) {
|
|
sleep( 1 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
void write( const std::vector<std::int16_t*> buffers, std::size_t frames ) override {
|
|
for ( std::size_t frame = 0; frame < frames; ++frame ) {
|
|
for ( std::size_t channel = 0; channel < channels; ++channel ) {
|
|
sampleQueue.push_back( buffers[channel][frame] * (1.0f/32768.0f) );
|
|
}
|
|
while ( sampleQueue.size() >= sampleQueueMaxFrames * channels ) {
|
|
while ( !forward_queue() ) {
|
|
sleep( 1 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
virtual bool forward_queue() = 0;
|
|
bool sleep( int ms ) override = 0;
|
|
};
|
|
|
|
class write_buffers_polling_wrapper_int : public write_buffers_interface {
|
|
protected:
|
|
std::size_t channels;
|
|
std::size_t sampleQueueMaxFrames;
|
|
std::deque<std::int16_t> sampleQueue;
|
|
protected:
|
|
virtual ~write_buffers_polling_wrapper_int() {
|
|
return;
|
|
}
|
|
protected:
|
|
write_buffers_polling_wrapper_int( const commandlineflags & flags )
|
|
: channels(flags.channels)
|
|
, sampleQueueMaxFrames(0)
|
|
{
|
|
return;
|
|
}
|
|
void set_queue_size_frames( std::size_t frames ) {
|
|
sampleQueueMaxFrames = frames;
|
|
}
|
|
std::int16_t pop_queue() {
|
|
std::int16_t val = 0;
|
|
if ( !sampleQueue.empty() ) {
|
|
val = sampleQueue.front();
|
|
sampleQueue.pop_front();
|
|
}
|
|
return val;
|
|
}
|
|
public:
|
|
void write( const std::vector<float*> buffers, std::size_t frames ) override {
|
|
for ( std::size_t frame = 0; frame < frames; ++frame ) {
|
|
for ( std::size_t channel = 0; channel < channels; ++channel ) {
|
|
sampleQueue.push_back( convert_sample_to<std::int16_t>( buffers[channel][frame] ) );
|
|
}
|
|
while ( sampleQueue.size() >= sampleQueueMaxFrames * channels ) {
|
|
while ( !forward_queue() ) {
|
|
sleep( 1 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
void write( const std::vector<std::int16_t*> buffers, std::size_t frames ) override {
|
|
for ( std::size_t frame = 0; frame < frames; ++frame ) {
|
|
for ( std::size_t channel = 0; channel < channels; ++channel ) {
|
|
sampleQueue.push_back( buffers[channel][frame] );
|
|
}
|
|
while ( sampleQueue.size() >= sampleQueueMaxFrames * channels ) {
|
|
while ( !forward_queue() ) {
|
|
sleep( 1 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
virtual bool forward_queue() = 0;
|
|
bool sleep( int ms ) override = 0;
|
|
};
|
|
|
|
class void_audio_stream : public write_buffers_interface {
|
|
public:
|
|
virtual ~void_audio_stream() {
|
|
return;
|
|
}
|
|
public:
|
|
void write( const std::vector<float*> buffers, std::size_t frames ) override {
|
|
(void)buffers;
|
|
(void)frames;
|
|
}
|
|
void write( const std::vector<std::int16_t*> buffers, std::size_t frames ) override {
|
|
(void)buffers;
|
|
(void)frames;
|
|
}
|
|
bool is_dummy() const override {
|
|
return true;
|
|
}
|
|
};
|
|
|
|
class file_audio_stream_base : public write_buffers_interface {
|
|
protected:
|
|
file_audio_stream_base() {
|
|
return;
|
|
}
|
|
public:
|
|
void write_metadata( std::map<std::string,std::string> metadata ) override {
|
|
(void)metadata;
|
|
return;
|
|
}
|
|
void write_updated_metadata( std::map<std::string,std::string> metadata ) override {
|
|
(void)metadata;
|
|
return;
|
|
}
|
|
void write( const std::vector<float*> buffers, std::size_t frames ) override = 0;
|
|
void write( const std::vector<std::int16_t*> buffers, std::size_t frames ) override = 0;
|
|
virtual ~file_audio_stream_base() {
|
|
return;
|
|
}
|
|
};
|
|
|
|
} // namespace openmpt123
|
|
|
|
#endif // OPENMPT123_HPP
|