libopenmpt.h

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/*
 * libopenmpt.h
 * ------------
 * Purpose: libopenmpt public c interface
 * Notes  : (currently none)
 * Authors: OpenMPT Devs
 * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
 */

#ifndef LIBOPENMPT_H
#define LIBOPENMPT_H

#include "libopenmpt_config.h"
#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

LIBOPENMPT_API uint32_t openmpt_get_library_version(void);

LIBOPENMPT_API uint32_t openmpt_get_core_version(void);

#define OPENMPT_STRING_LIBRARY_VERSION  LIBOPENMPT_DEPRECATED_STRING( "library_version" )

#define OPENMPT_STRING_LIBRARY_FEATURES LIBOPENMPT_DEPRECATED_STRING( "library_features" )

#define OPENMPT_STRING_CORE_VERSION     LIBOPENMPT_DEPRECATED_STRING( "core_version" )

#define OPENMPT_STRING_BUILD            LIBOPENMPT_DEPRECATED_STRING( "build" )

#define OPENMPT_STRING_CREDITS          LIBOPENMPT_DEPRECATED_STRING( "credits" )

#define OPENMPT_STRING_CONTACT          LIBOPENMPT_DEPRECATED_STRING( "contact" )

#define OPENMPT_STRING_LICENSE          LIBOPENMPT_DEPRECATED_STRING( "license" )

LIBOPENMPT_API void openmpt_free_string( const char * str );

LIBOPENMPT_API const char * openmpt_get_string( const char * key );

LIBOPENMPT_API const char * openmpt_get_supported_extensions(void);

LIBOPENMPT_API int openmpt_is_extension_supported( const char * extension );

#define OPENMPT_STREAM_SEEK_SET 0

#define OPENMPT_STREAM_SEEK_CUR 1

#define OPENMPT_STREAM_SEEK_END 2

typedef size_t (*openmpt_stream_read_func)( void * stream, void * dst, size_t bytes );

typedef int (*openmpt_stream_seek_func)( void * stream, int64_t offset, int whence );

typedef int64_t (*openmpt_stream_tell_func)( void * stream );

typedef struct openmpt_stream_callbacks {

  openmpt_stream_read_func read;

  openmpt_stream_seek_func seek;

  openmpt_stream_tell_func tell;

} openmpt_stream_callbacks;

typedef void (*openmpt_log_func)( const char * message, void * user );

LIBOPENMPT_API void openmpt_log_func_default( const char * message, void * user );

LIBOPENMPT_API void openmpt_log_func_silent( const char * message, void * user );

#define OPENMPT_ERROR_OK                     0

#define OPENMPT_ERROR_BASE                   256

#define OPENMPT_ERROR_UNKNOWN                ( OPENMPT_ERROR_BASE +   1 )

#define OPENMPT_ERROR_EXCEPTION              ( OPENMPT_ERROR_BASE +  11 )

#define OPENMPT_ERROR_OUT_OF_MEMORY          ( OPENMPT_ERROR_BASE +  21 )

#define OPENMPT_ERROR_RUNTIME                ( OPENMPT_ERROR_BASE +  30 )

#define OPENMPT_ERROR_RANGE                  ( OPENMPT_ERROR_BASE +  31 )

#define OPENMPT_ERROR_OVERFLOW               ( OPENMPT_ERROR_BASE +  32 )

#define OPENMPT_ERROR_UNDERFLOW              ( OPENMPT_ERROR_BASE +  33 )

#define OPENMPT_ERROR_LOGIC                  ( OPENMPT_ERROR_BASE +  40 )

#define OPENMPT_ERROR_DOMAIN                 ( OPENMPT_ERROR_BASE +  41 )

#define OPENMPT_ERROR_LENGTH                 ( OPENMPT_ERROR_BASE +  42 )

#define OPENMPT_ERROR_OUT_OF_RANGE           ( OPENMPT_ERROR_BASE +  43 )

#define OPENMPT_ERROR_INVALID_ARGUMENT       ( OPENMPT_ERROR_BASE +  44 )

#define OPENMPT_ERROR_GENERAL                ( OPENMPT_ERROR_BASE + 101 )

#define OPENMPT_ERROR_INVALID_MODULE_POINTER ( OPENMPT_ERROR_BASE + 102 )

#define OPENMPT_ERROR_ARGUMENT_NULL_POINTER  ( OPENMPT_ERROR_BASE + 103 )

LIBOPENMPT_API int openmpt_error_is_transient( int error );

LIBOPENMPT_API const char * openmpt_error_string( int error );

#define OPENMPT_ERROR_FUNC_RESULT_NONE    0

#define OPENMPT_ERROR_FUNC_RESULT_LOG     ( 1 << 0 )

#define OPENMPT_ERROR_FUNC_RESULT_STORE   ( 1 << 1 )

#define OPENMPT_ERROR_FUNC_RESULT_DEFAULT ( OPENMPT_ERROR_FUNC_RESULT_LOG | OPENMPT_ERROR_FUNC_RESULT_STORE )

typedef int (*openmpt_error_func)( int error, void * user );

LIBOPENMPT_API int openmpt_error_func_default( int error, void * user );

LIBOPENMPT_API int openmpt_error_func_log( int error, void * user );

LIBOPENMPT_API int openmpt_error_func_store( int error, void * user );

LIBOPENMPT_API int openmpt_error_func_ignore( int error, void * user );

LIBOPENMPT_API int openmpt_error_func_errno( int error, void * user );

LIBOPENMPT_API void * openmpt_error_func_errno_userdata( int * error );

LIBOPENMPT_API LIBOPENMPT_DEPRECATED double openmpt_could_open_probability( openmpt_stream_callbacks stream_callbacks, void * stream, double effort, openmpt_log_func logfunc, void * user );

LIBOPENMPT_API LIBOPENMPT_DEPRECATED double openmpt_could_open_propability( openmpt_stream_callbacks stream_callbacks, void * stream, double effort, openmpt_log_func logfunc, void * user );

LIBOPENMPT_API double openmpt_could_open_probability2( openmpt_stream_callbacks stream_callbacks, void * stream, double effort, openmpt_log_func logfunc, void * loguser, openmpt_error_func errfunc, void * erruser, int * error, const char * * error_message );

LIBOPENMPT_API size_t openmpt_probe_file_header_get_recommended_size(void);

#define OPENMPT_PROBE_FILE_HEADER_FLAGS_MODULES    0x1ul

#define OPENMPT_PROBE_FILE_HEADER_FLAGS_CONTAINERS 0x2ul

#define OPENMPT_PROBE_FILE_HEADER_FLAGS_DEFAULT    ( OPENMPT_PROBE_FILE_HEADER_FLAGS_MODULES | OPENMPT_PROBE_FILE_HEADER_FLAGS_CONTAINERS )

#define OPENMPT_PROBE_FILE_HEADER_FLAGS_NONE       0x0ul

#define OPENMPT_PROBE_FILE_HEADER_RESULT_SUCCESS      1

#define OPENMPT_PROBE_FILE_HEADER_RESULT_FAILURE      0

#define OPENMPT_PROBE_FILE_HEADER_RESULT_WANTMOREDATA (-1)

#define OPENMPT_PROBE_FILE_HEADER_RESULT_ERROR        (-255)

LIBOPENMPT_API int openmpt_probe_file_header( uint64_t flags, const void * data, size_t size, uint64_t filesize, openmpt_log_func logfunc, void * loguser, openmpt_error_func errfunc, void * erruser, int * error, const char * * error_message );
LIBOPENMPT_API int openmpt_probe_file_header_without_filesize( uint64_t flags, const void * data, size_t size, openmpt_log_func logfunc, void * loguser, openmpt_error_func errfunc, void * erruser, int * error, const char * * error_message );

LIBOPENMPT_API int openmpt_probe_file_header_from_stream( uint64_t flags, openmpt_stream_callbacks stream_callbacks, void * stream, openmpt_log_func logfunc, void * loguser, openmpt_error_func errfunc, void * erruser, int * error, const char * * error_message );


typedef struct openmpt_module openmpt_module;

typedef struct openmpt_module_initial_ctl {
  const char * ctl;
  const char * value;
} openmpt_module_initial_ctl;

LIBOPENMPT_API LIBOPENMPT_DEPRECATED openmpt_module * openmpt_module_create( openmpt_stream_callbacks stream_callbacks, void * stream, openmpt_log_func logfunc, void * loguser, const openmpt_module_initial_ctl * ctls );

LIBOPENMPT_API openmpt_module * openmpt_module_create2( openmpt_stream_callbacks stream_callbacks, void * stream, openmpt_log_func logfunc, void * loguser, openmpt_error_func errfunc, void * erruser, int * error, const char * * error_message, const openmpt_module_initial_ctl * ctls );

LIBOPENMPT_API LIBOPENMPT_DEPRECATED openmpt_module * openmpt_module_create_from_memory( const void * filedata, size_t filesize, openmpt_log_func logfunc, void * loguser, const openmpt_module_initial_ctl * ctls );

LIBOPENMPT_API openmpt_module * openmpt_module_create_from_memory2( const void * filedata, size_t filesize, openmpt_log_func logfunc, void * loguser, openmpt_error_func errfunc, void * erruser, int * error, const char * * error_message, const openmpt_module_initial_ctl * ctls );

LIBOPENMPT_API void openmpt_module_destroy( openmpt_module * mod );

LIBOPENMPT_API void openmpt_module_set_log_func( openmpt_module * mod, openmpt_log_func logfunc, void * loguser );

LIBOPENMPT_API void openmpt_module_set_error_func( openmpt_module * mod, openmpt_error_func errfunc, void * erruser );

LIBOPENMPT_API int openmpt_module_error_get_last( openmpt_module * mod );

LIBOPENMPT_API const char * openmpt_module_error_get_last_message( openmpt_module * mod );

LIBOPENMPT_API void openmpt_module_error_set_last( openmpt_module * mod, int error );

LIBOPENMPT_API void openmpt_module_error_clear( openmpt_module * mod );

#define OPENMPT_MODULE_RENDER_MASTERGAIN_MILLIBEL        1

#define OPENMPT_MODULE_RENDER_STEREOSEPARATION_PERCENT   2

#define OPENMPT_MODULE_RENDER_INTERPOLATIONFILTER_LENGTH 3

#define OPENMPT_MODULE_RENDER_VOLUMERAMPING_STRENGTH     4

#define OPENMPT_MODULE_COMMAND_NOTE         0
#define OPENMPT_MODULE_COMMAND_INSTRUMENT   1
#define OPENMPT_MODULE_COMMAND_VOLUMEEFFECT 2
#define OPENMPT_MODULE_COMMAND_EFFECT       3
#define OPENMPT_MODULE_COMMAND_VOLUME       4
#define OPENMPT_MODULE_COMMAND_PARAMETER    5

LIBOPENMPT_API int openmpt_module_select_subsong( openmpt_module * mod, int32_t subsong );
LIBOPENMPT_API int32_t openmpt_module_get_selected_subsong( openmpt_module * mod );
LIBOPENMPT_API int openmpt_module_set_repeat_count( openmpt_module * mod, int32_t repeat_count );
LIBOPENMPT_API int32_t openmpt_module_get_repeat_count( openmpt_module * mod );

LIBOPENMPT_API double openmpt_module_get_duration_seconds( openmpt_module * mod );

LIBOPENMPT_API double openmpt_module_set_position_seconds( openmpt_module * mod, double seconds );
LIBOPENMPT_API double openmpt_module_get_position_seconds( openmpt_module * mod );

LIBOPENMPT_API double openmpt_module_set_position_order_row( openmpt_module * mod, int32_t order, int32_t row );

LIBOPENMPT_API int openmpt_module_get_render_param( openmpt_module * mod, int param, int32_t * value );
LIBOPENMPT_API int openmpt_module_set_render_param( openmpt_module * mod, int param, int32_t value );

LIBOPENMPT_API size_t openmpt_module_read_mono(   openmpt_module * mod, int32_t samplerate, size_t count, int16_t * mono );
LIBOPENMPT_API size_t openmpt_module_read_stereo( openmpt_module * mod, int32_t samplerate, size_t count, int16_t * left, int16_t * right );
LIBOPENMPT_API size_t openmpt_module_read_quad(   openmpt_module * mod, int32_t samplerate, size_t count, int16_t * left, int16_t * right, int16_t * rear_left, int16_t * rear_right );
LIBOPENMPT_API size_t openmpt_module_read_float_mono(   openmpt_module * mod, int32_t samplerate, size_t count, float * mono );
LIBOPENMPT_API size_t openmpt_module_read_float_stereo( openmpt_module * mod, int32_t samplerate, size_t count, float * left, float * right );
LIBOPENMPT_API size_t openmpt_module_read_float_quad(   openmpt_module * mod, int32_t samplerate, size_t count, float * left, float * right, float * rear_left, float * rear_right );
LIBOPENMPT_API size_t openmpt_module_read_interleaved_stereo( openmpt_module * mod, int32_t samplerate, size_t count, int16_t * interleaved_stereo );
LIBOPENMPT_API size_t openmpt_module_read_interleaved_quad(   openmpt_module * mod, int32_t samplerate, size_t count, int16_t * interleaved_quad   );
LIBOPENMPT_API size_t openmpt_module_read_interleaved_float_stereo( openmpt_module * mod, int32_t samplerate, size_t count, float * interleaved_stereo );
LIBOPENMPT_API size_t openmpt_module_read_interleaved_float_quad(   openmpt_module * mod, int32_t samplerate, size_t count, float * interleaved_quad   );
LIBOPENMPT_API const char * openmpt_module_get_metadata_keys( openmpt_module * mod );
LIBOPENMPT_API const char * openmpt_module_get_metadata( openmpt_module * mod, const char * key );

LIBOPENMPT_API int32_t openmpt_module_get_current_speed( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_current_tempo( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_current_order( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_current_pattern( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_current_row( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_current_playing_channels( openmpt_module * mod );

LIBOPENMPT_API float openmpt_module_get_current_channel_vu_mono( openmpt_module * mod, int32_t channel );
LIBOPENMPT_API float openmpt_module_get_current_channel_vu_left( openmpt_module * mod, int32_t channel );
LIBOPENMPT_API float openmpt_module_get_current_channel_vu_right( openmpt_module * mod, int32_t channel );
LIBOPENMPT_API float openmpt_module_get_current_channel_vu_rear_left( openmpt_module * mod, int32_t channel );
LIBOPENMPT_API float openmpt_module_get_current_channel_vu_rear_right( openmpt_module * mod, int32_t channel );

LIBOPENMPT_API int32_t openmpt_module_get_num_subsongs( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_num_channels( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_num_orders( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_num_patterns( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_num_instruments( openmpt_module * mod );
LIBOPENMPT_API int32_t openmpt_module_get_num_samples( openmpt_module * mod );

LIBOPENMPT_API const char * openmpt_module_get_subsong_name( openmpt_module * mod, int32_t index );
LIBOPENMPT_API const char * openmpt_module_get_channel_name( openmpt_module * mod, int32_t index );
LIBOPENMPT_API const char * openmpt_module_get_order_name( openmpt_module * mod, int32_t index );
LIBOPENMPT_API const char * openmpt_module_get_pattern_name( openmpt_module * mod, int32_t index );
LIBOPENMPT_API const char * openmpt_module_get_instrument_name( openmpt_module * mod, int32_t index );
LIBOPENMPT_API const char * openmpt_module_get_sample_name( openmpt_module * mod, int32_t index );

LIBOPENMPT_API int32_t openmpt_module_get_order_pattern( openmpt_module * mod, int32_t order );
LIBOPENMPT_API int32_t openmpt_module_get_pattern_num_rows( openmpt_module * mod, int32_t pattern );

LIBOPENMPT_API uint8_t openmpt_module_get_pattern_row_channel_command( openmpt_module * mod, int32_t pattern, int32_t row, int32_t channel, int command );

LIBOPENMPT_API const char * openmpt_module_format_pattern_row_channel_command( openmpt_module * mod, int32_t pattern, int32_t row, int32_t channel, int command );
LIBOPENMPT_API const char * openmpt_module_highlight_pattern_row_channel_command( openmpt_module * mod, int32_t pattern, int32_t row, int32_t channel, int command );

LIBOPENMPT_API const char * openmpt_module_format_pattern_row_channel( openmpt_module * mod, int32_t pattern, int32_t row, int32_t channel, size_t width, int pad );
LIBOPENMPT_API const char * openmpt_module_highlight_pattern_row_channel( openmpt_module * mod, int32_t pattern, int32_t row, int32_t channel, size_t width, int pad );

LIBOPENMPT_API const char * openmpt_module_get_ctls( openmpt_module * mod );
LIBOPENMPT_API const char * openmpt_module_ctl_get( openmpt_module * mod, const char * ctl );
LIBOPENMPT_API int openmpt_module_ctl_set( openmpt_module * mod, const char * ctl, const char * value );

/* remember to add new functions to both C and C++ interfaces and to increase OPENMPT_API_VERSION_MINOR */

#ifdef __cplusplus
}
#endif

#endif /* LIBOPENMPT_H */