winamp/Src/external_dependencies/openmpt-trunk/libopenmpt/libopenmpt_impl.hpp

281 lines
13 KiB
C++

/*
* libopenmpt_impl.hpp
* -------------------
* Purpose: libopenmpt private interface
* Notes : This is not a public header. Do NOT ship in distributions dev packages.
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#ifndef LIBOPENMPT_IMPL_HPP
#define LIBOPENMPT_IMPL_HPP
#include "libopenmpt_internal.h"
#include "libopenmpt.hpp"
#include <iosfwd>
#include <memory>
#include <utility>
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4512) // assignment operator could not be generated
#endif
// forward declarations
namespace mpt {
inline namespace mpt_libopenmpt {
namespace IO {
class FileCursorTraitsFileData;
template <typename Tpath>
class FileCursorFilenameTraits;
template <typename Ttraits, typename Tfilenametraits>
class FileCursor;
} // namespace IO
} // namespace mpt_libopenmpt
} // namespace mpt
namespace OpenMPT {
namespace detail {
template <typename Ttraits, typename Tfilenametraits>
using FileCursor = mpt::IO::FileCursor<Ttraits, Tfilenametraits>;
} // namespace detail
namespace mpt {
class PathString;
} // namespace mpt
using FileCursor = detail::FileCursor<mpt::IO::FileCursorTraitsFileData, mpt::IO::FileCursorFilenameTraits<mpt::PathString>>;
class CSoundFile;
struct DithersWrapperOpenMPT;
} // namespace OpenMPT
namespace openmpt {
namespace version {
std::uint32_t get_library_version();
std::uint32_t get_core_version();
std::string get_string( const std::string & key );
} // namespace version
class log_interface {
protected:
log_interface();
public:
virtual ~log_interface();
virtual void log( const std::string & message ) const = 0;
}; // class log_interface
class std_ostream_log : public log_interface {
private:
std::ostream & destination;
public:
std_ostream_log( std::ostream & dst );
virtual ~std_ostream_log();
void log( const std::string & message ) const override;
}; // class CSoundFileLog_std_ostream
class log_forwarder;
struct callback_stream_wrapper {
void * stream;
std::size_t (*read)( void * stream, void * dst, std::size_t bytes );
int (*seek)( void * stream, std::int64_t offset, int whence );
std::int64_t (*tell)( void * stream );
}; // struct callback_stream_wrapper
class module_impl {
public:
enum class amiga_filter_type {
a500,
a1200,
unfiltered,
auto_filter,
};
protected:
struct subsong_data {
double duration;
std::int32_t start_row;
std::int32_t start_order;
std::int32_t sequence;
subsong_data( double duration, std::int32_t start_row, std::int32_t start_order, std::int32_t sequence );
}; // struct subsong_data
typedef std::vector<subsong_data> subsongs_type;
enum class song_end_action {
fadeout_song,
continue_song,
stop_song,
};
static constexpr std::int32_t all_subsongs = -1;
enum class ctl_type {
boolean,
integer,
floatingpoint,
text,
};
struct ctl_info {
const char * name;
ctl_type type;
};
std::unique_ptr<log_interface> m_Log;
std::unique_ptr<log_forwarder> m_LogForwarder;
std::int32_t m_current_subsong;
double m_currentPositionSeconds;
std::unique_ptr<OpenMPT::CSoundFile> m_sndFile;
bool m_loaded;
bool m_mixer_initialized;
std::unique_ptr<OpenMPT::DithersWrapperOpenMPT> m_Dithers;
subsongs_type m_subsongs;
float m_Gain;
song_end_action m_ctl_play_at_end;
amiga_filter_type m_ctl_render_resampler_emulate_amiga_type = amiga_filter_type::auto_filter;
bool m_ctl_load_skip_samples;
bool m_ctl_load_skip_patterns;
bool m_ctl_load_skip_plugins;
bool m_ctl_load_skip_subsongs_init;
bool m_ctl_seek_sync_samples;
std::vector<std::string> m_loaderMessages;
public:
void PushToCSoundFileLog( const std::string & text ) const;
void PushToCSoundFileLog( int loglevel, const std::string & text ) const;
protected:
std::string mod_string_to_utf8( const std::string & encoded ) const;
void apply_mixer_settings( std::int32_t samplerate, int channels );
void apply_libopenmpt_defaults();
subsongs_type get_subsongs() const;
void init_subsongs( subsongs_type & subsongs ) const;
bool has_subsongs_inited() const;
void ctor( const std::map< std::string, std::string > & ctls );
void load( const OpenMPT::FileCursor & file, const std::map< std::string, std::string > & ctls );
bool is_loaded() const;
std::size_t read_wrapper( std::size_t count, std::int16_t * left, std::int16_t * right, std::int16_t * rear_left, std::int16_t * rear_right );
std::size_t read_wrapper( std::size_t count, float * left, float * right, float * rear_left, float * rear_right );
std::size_t read_interleaved_wrapper( std::size_t count, std::size_t channels, std::int16_t * interleaved );
std::size_t read_interleaved_wrapper( std::size_t count, std::size_t channels, float * interleaved );
std::string get_message_instruments() const;
std::string get_message_samples() const;
std::pair< std::string, std::string > format_and_highlight_pattern_row_channel_command( std::int32_t p, std::int32_t r, std::int32_t c, int command ) const;
std::pair< std::string, std::string > format_and_highlight_pattern_row_channel( std::int32_t p, std::int32_t r, std::int32_t c, std::size_t width, bool pad ) const;
static double could_open_probability( const OpenMPT::FileCursor & file, double effort, std::unique_ptr<log_interface> log );
public:
static std::vector<std::string> get_supported_extensions();
/// <summary>
/// From version 0.7.0
/// Hakan DANISIK
/// </summary>
/// <param name="extension"></param>
/// <returns></returns>
static std::string get_tracker_name( const std::string & extension );
static bool is_extension_supported( std::string_view extension );
static double could_open_probability( callback_stream_wrapper stream, double effort, std::unique_ptr<log_interface> log );
static double could_open_probability( std::istream & stream, double effort, std::unique_ptr<log_interface> log );
static std::size_t probe_file_header_get_recommended_size();
static int probe_file_header( std::uint64_t flags, const std::byte * data, std::size_t size, std::uint64_t filesize );
static int probe_file_header( std::uint64_t flags, const std::uint8_t * data, std::size_t size, std::uint64_t filesize );
static int probe_file_header( std::uint64_t flags, const void * data, std::size_t size, std::uint64_t filesize );
static int probe_file_header( std::uint64_t flags, const std::byte * data, std::size_t size );
static int probe_file_header( std::uint64_t flags, const std::uint8_t * data, std::size_t size );
static int probe_file_header( std::uint64_t flags, const void * data, std::size_t size );
static int probe_file_header( std::uint64_t flags, std::istream & stream );
static int probe_file_header( std::uint64_t flags, callback_stream_wrapper stream );
module_impl( callback_stream_wrapper stream, std::unique_ptr<log_interface> log, const std::map< std::string, std::string > & ctls );
module_impl( std::istream & stream, std::unique_ptr<log_interface> log, const std::map< std::string, std::string > & ctls );
module_impl( const std::vector<std::byte> & data, std::unique_ptr<log_interface> log, const std::map< std::string, std::string > & ctls );
module_impl( const std::vector<std::uint8_t> & data, std::unique_ptr<log_interface> log, const std::map< std::string, std::string > & ctls );
module_impl( const std::vector<char> & data, std::unique_ptr<log_interface> log, const std::map< std::string, std::string > & ctls );
module_impl( const std::byte * data, std::size_t size, std::unique_ptr<log_interface> log, const std::map< std::string, std::string > & ctls );
module_impl( const std::uint8_t * data, std::size_t size, std::unique_ptr<log_interface> log, const std::map< std::string, std::string > & ctls );
module_impl( const char * data, std::size_t size, std::unique_ptr<log_interface> log, const std::map< std::string, std::string > & ctls );
module_impl( const void * data, std::size_t size, std::unique_ptr<log_interface> log, const std::map< std::string, std::string > & ctls );
~module_impl();
public:
void select_subsong( std::int32_t subsong );
std::int32_t get_selected_subsong() const;
void set_repeat_count( std::int32_t repeat_count );
std::int32_t get_repeat_count() const;
double get_duration_seconds() const;
double set_position_seconds( double seconds );
double get_position_seconds() const;
double set_position_order_row( std::int32_t order, std::int32_t row );
std::int32_t get_render_param( int param ) const;
void set_render_param( int param, std::int32_t value );
std::size_t read( std::int32_t samplerate, std::size_t count, std::int16_t * mono );
std::size_t read( std::int32_t samplerate, std::size_t count, std::int16_t * left, std::int16_t * right );
std::size_t read( std::int32_t samplerate, std::size_t count, std::int16_t * left, std::int16_t * right, std::int16_t * rear_left, std::int16_t * rear_right );
std::size_t read( std::int32_t samplerate, std::size_t count, float * mono );
std::size_t read( std::int32_t samplerate, std::size_t count, float * left, float * right );
std::size_t read( std::int32_t samplerate, std::size_t count, float * left, float * right, float * rear_left, float * rear_right );
std::size_t read_interleaved_stereo( std::int32_t samplerate, std::size_t count, std::int16_t * interleaved_stereo );
std::size_t read_interleaved_quad( std::int32_t samplerate, std::size_t count, std::int16_t * interleaved_quad );
std::size_t read_interleaved_stereo( std::int32_t samplerate, std::size_t count, float * interleaved_stereo );
std::size_t read_interleaved_quad( std::int32_t samplerate, std::size_t count, float * interleaved_quad );
std::vector<std::string> get_metadata_keys() const;
std::string get_metadata( const std::string & key ) const;
double get_current_estimated_bpm() const;
std::int32_t get_current_speed() const;
std::int32_t get_current_tempo() const;
std::int32_t get_current_order() const;
std::int32_t get_current_pattern() const;
std::int32_t get_current_row() const;
std::int32_t get_current_playing_channels() const;
float get_current_channel_vu_mono( std::int32_t channel ) const;
float get_current_channel_vu_left( std::int32_t channel ) const;
float get_current_channel_vu_right( std::int32_t channel ) const;
float get_current_channel_vu_rear_left( std::int32_t channel ) const;
float get_current_channel_vu_rear_right( std::int32_t channel ) const;
std::int32_t get_num_subsongs() const;
std::int32_t get_num_channels() const;
std::int32_t get_num_orders() const;
std::int32_t get_num_patterns() const;
std::int32_t get_num_instruments() const;
std::int32_t get_num_samples() const;
std::vector<std::string> get_subsong_names() const;
std::vector<std::string> get_channel_names() const;
std::vector<std::string> get_order_names() const;
std::vector<std::string> get_pattern_names() const;
std::vector<std::string> get_instrument_names() const;
std::vector<std::string> get_sample_names() const;
std::int32_t get_order_pattern( std::int32_t o ) const;
std::int32_t get_pattern_num_rows( std::int32_t p ) const;
std::uint8_t get_pattern_row_channel_command( std::int32_t p, std::int32_t r, std::int32_t c, int cmd ) const;
std::string format_pattern_row_channel_command( std::int32_t p, std::int32_t r, std::int32_t c, int cmd ) const;
std::string highlight_pattern_row_channel_command( std::int32_t p, std::int32_t r, std::int32_t c, int cmd ) const;
std::string format_pattern_row_channel( std::int32_t p, std::int32_t r, std::int32_t c, std::size_t width, bool pad ) const;
std::string highlight_pattern_row_channel( std::int32_t p, std::int32_t r, std::int32_t c, std::size_t width, bool pad ) const;
std::pair<const module_impl::ctl_info *, const module_impl::ctl_info *> get_ctl_infos() const;
std::vector<std::string> get_ctls() const;
std::string ctl_get( std::string ctl, bool throw_if_unknown = true ) const;
bool ctl_get_boolean( std::string_view ctl, bool throw_if_unknown = true ) const;
std::int64_t ctl_get_integer( std::string_view ctl, bool throw_if_unknown = true ) const;
double ctl_get_floatingpoint( std::string_view ctl, bool throw_if_unknown = true ) const;
std::string ctl_get_text( std::string_view ctl, bool throw_if_unknown = true ) const;
void ctl_set( std::string ctl, const std::string & value, bool throw_if_unknown = true );
void ctl_set_boolean( std::string_view ctl, bool value, bool throw_if_unknown = true );
void ctl_set_integer( std::string_view ctl, std::int64_t value, bool throw_if_unknown = true );
void ctl_set_floatingpoint( std::string_view ctl, double value, bool throw_if_unknown = true );
void ctl_set_text( std::string_view ctl, std::string_view value, bool throw_if_unknown = true );
}; // class module_impl
namespace helper {
template<typename T, typename... Args> std::unique_ptr<T> make_unique(Args&&... args) {
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
} // namespace helper
} // namespace openmpt
#if defined(_MSC_VER)
#pragma warning(pop)
#endif
#endif // LIBOPENMPT_IMPL_HPP