之前写了一个dll，具体在这里
现在想增加一个c#绑定,上网搜了下
很简单就实现了
实现后的cs代码如下(当前只实现了一部分):
using System;
using System.Runtime.InteropServices;
namespace gaudio
{
class GAudio
{
[DllImport("gaudio.dll",EntryPoint = "gaudio_init")]
public static extern void gaudio_init(string path);
[DllImport("gaudio.dll",EntryPoint = "gaudio_deinit")]
public static extern void gaudio_deinit();
[DllImport("gaudio.dll",EntryPoint = "gaudio_error_get")]
public static extern int gaudio_error_get();
[DllImport("gaudio.dll",EntryPoint = "gaudio_is_support")]
public static extern int gaudio_is_support(int flag,int value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_set_float")]
public static extern void gaudio_set_float(int flag,float value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_get_float")]
public static extern void gaudio_get_float(int flag,ref float value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_set_int32")]
public static extern void gaudio_set_int32(int flag,int value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_get_int32")]
public static extern void gaudio_get_int32(int flag,ref int value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_set_string")]
public static extern void gaudio_set_string(int flag,string value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_get_string")]
public static extern int gaudio_get_string(int flag,ref string value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_listener_set_float3")]
public static extern void gaudio_listener_set_float3(int flag,float x,float y,float z);
[DllImport("gaudio.dll",EntryPoint = "gaudio_listener_get_float3")]
public static extern void gaudio_listener_get_float3(int flag,ref float x,ref float y,ref float z);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_create_from_file")]
public static extern IntPtr gaudio_source_create_from_file(string file,int flag);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_destroy")]
public static extern void gaudio_source_destroy(IntPtr source);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_start")]
public static extern void gaudio_source_start(IntPtr source,int flag);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_start_3d")]
public static extern void gaudio_source_start_3d(IntPtr source,int flag);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_pause")]
public static extern void gaudio_source_pause(IntPtr source);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_stop")]
public static extern void gaudio_source_stop(IntPtr source);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_seek")]
public static extern void gaudio_source_seek(IntPtr source,int seek);
public delegate int gposition(IntPtr source,int position);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_set_position_callback")]
public static extern void gaudio_source_set_position_callback(IntPtr source,gposition cb);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_set_float")]
public static extern void gaudio_source_set_float(IntPtr source,int flag,float value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_get_float")]
public static extern void gaudio_source_get_float(IntPtr source,int flag,ref float value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_set_int32")]
public static extern void gaudio_source_set_int32(IntPtr source,int flag,int value);
[DllImport("gaudio.dll",EntryPoint = "gaudio_source_get_int32")]
public static extern void gaudio_source_get_int32(IntPtr source,int flag,ref int value);
public delegate int gread(IntPtr buffer,int size,int count,IntPtr ctx);
public delegate int gseek(IntPtr ctx,int offset,int mode);
public delegate int gtell(IntPtr ctx);
public delegate int gclose(IntPtr ctx);
}
}
原始的c代码如下:
#if defined(__cplusplus)
extern "C"
{
#endif /* __cplusplus */
/*************************************************************************
* Doxygen documentation
*************************************************************************/
/* ---------------- GAudio library related system specific defines ----------------- */
#if !defined(WIN32) && !defined(__linux__)
#error "gaudio library don't support this os at present"
#endif
#if defined(_WIN32)
#define GAPIENTRY __cdecl
#else
#define GAPIENTRY
#endif
#if defined(BUILDING)
#ifdef _WIN32
# define GAPI __declspec(dllexport)
#else
# define GAPI
#endif
#else
#ifdef _WIN32
# define GAPI __declspec(dllimport)
#else
# define GAPI
#endif
#endif
#ifndef NULL
#define NULL 0
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
/*************************************************************************
* GAudio library API tokens
*************************************************************************/
#define AUDIO_DRIVER_NULL 0
#define AUDIO_DRIVER_WINMM 1
#define AUDIO_DRIVER_DSOUND 2
#define AUDIO_DRIVER_ALSA 3
#define AUDIO_DRIVER_OSS 4
#define AUDIO_DRIVER_PORTAUDIO 5
#define AUDIO_PLUGIN_DECODER 1
#define AUDIO_PLUGIN_EFFECT 2
#define AUDIO_PLUGIN_DRIVER 3
#define MAX_SOURCE 8
#define MAX_DECODER 32
#define MAX_EFFECT 8
#define AUDIO_ENUM_POSITION 1
#define AUDIO_ENUM_VELOCITY 2
#define AUDIO_ENUM_FORWARD 3
#define AUDIO_ENUM_UP 4
#define AUDIO_ENUM_SAMPLERATE 5
#define AUDIO_ENUM_CHANNEL 6
#define AUDIO_ENUM_FORMAT 7
#define AUDIO_ENUM_DURATION 8
#define AUDIO_ENUM_LOOP 9
#define AUDIO_ENUM_GAIN 10
#define AUDIO_ENUM_GAIN_LEFT 11
#define AUDIO_ENUM_GAIN_RIGHT 12
#define AUDIO_ENUM_SILENCE 13
#define AUDIO_ENUM_TITLE 14
#define AUDIO_ENUM_TRACK 15
#define AUDIO_ENUM_ALBUM 16
#define AUDIO_ENUM_ARTIST 17
#define AUDIO_ENUM_PUBLISHDATE 18
#define AUDIO_ENUM_GENRE 19
#define AUDIO_ENUM_COMMENT 20
#define AUDIO_ENUM_AUDIO 21
#define AUDIO_ENUM_BITERATE 22
#define AUDIO_ENUM_VERSION 23
#define AUDIO_ENUM_DRIVER 24
#define AUDIO_ENUM_BALANCE 25
#define AUDIO_ENUM_CROSSFEED 26
#define AUDIO_ENUM_SOUNDFONT 27
#define BALANCE_MIN -10
#define BALANCE_MAX 10
#define BALANCE_DEFAULT 0
#define AUDIO_CROSSEFED_NONE -1
#define AUDIO_CROSSFEED_MIN 0
#define AUDIO_CROSSFEED_MAX 2
#define AUDIO_CROSSFEED_DEFAULT 1
typedef int32_t(GAPIENTRY* gread)(void*,int32_t,int32_t,void*);
typedef int32_t(GAPIENTRY* gseek)(void*,int32_t,int32_t);
typedef int32_t(GAPIENTRY* gtell)(void*);
typedef int32_t(GAPIENTRY* gclose)(void*);
typedef struct gsource gsource;
typedef struct geffect geffect;
typedef struct grecorder grecorder;
/*************************************************************************
* GAudio API functions
*************************************************************************/
/*! @brief Initializes the GAudio library.
*
* This function initializes the GAudio library. Before any GAudio functions can
* be used, GAudio must be initialized, and before a program terminates GAudio
* should be terminated in order to free any resources allocated during or
* after initialization.
*
* If this function fails, it calls @ref gaudio_deinit before returning. If it
* succeeds, you should call @ref gaudio_deinit before the program exits.
*
* Additional calls to this function after successful initialization but before
* termination will succeed but will do nothing.
*
* @param[in] add-ons Where to search and load plug-ins which GAudio needed.
*
* @return `TRUE` if successful, or `FALSE` if an error occurred.
*
* @note This function may only be called from the main thread.
*
* @note This function may take several seconds to complete on some systems,
* while on other systems it may take only a fraction of a second to complete.
*
* @sa gaudio_deinit
*
* @ingroup init
*/
extern GAPI void gaudio_init(const char* addons);
/*! @brief Terminates the GAudio library.
*
* This function frees any allocated resources and sets the library to an
* uninitialized state. Once this is called, you must again call @ref gaudio_init
* successfully before you will be able to use most GAudio functions.
*
* If GAudio has been successfully initialized, this function should be called
* before the program exits. If initialization fails, there is no need to call
* this function, as it is called by @ref gaudio_init before it returns failure.
*
* @remarks This function may be called before @ref gaudio_init.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_init
*
* @ingroup init
*/
extern GAPI void gaudio_deinit();
/* Audio format type */
#define AUDIO_FORMAT_TYPE_NONE -1
#define AUDIO_FORMAT_TYPE_INT4 0
#define AUDIO_FORMAT_TYPE_INT8 1
#define AUDIO_FORMAT_TYPE_UINT8 2
#define AUDIO_FORMAT_TYPE_INT16 3
#define AUDIO_FORMAT_TYPE_UINT16 4
#define AUDIO_FORMAT_TYPE_INT24 5
#define AUDIO_FORMAT_TYPE_INT32 6
#define AUDIO_FORMAT_TYPE_UINT32 7
#define AUDIO_FORMAT_TYPE_INT64 8
#define AUDIO_FORMAT_TYPE_FLOAT 9
#define AUDIO_FORMAT_TYPE_DOUBLE 10
#define AUDIO_FORMAT_TYPE_ULAW 11
#define AUDIO_FORMAT_TYPE_ALAW 12
#define AUDIO_FORMAT_TYPE_VOX_ADPCM 13
#define AUDIO_FORMAT_TYPE_MS_ADPCM 14
#define AUDIO_FORMAT_TYPE_GSM610 15
#define AUDIO_FORMAT_TYPE_IMA_ADPCM 16
#define AUDIO_FORMAT_TYPE_DPCM8 17
#define AUDIO_FORMAT_TYPE_DPCM16 18
#define AUDIO_FORMAT_TYPE_G723_24 19
#define AUDIO_FORMAT_TYPE_G723_32 20
#define AUDIO_FORMAT_TYPE_G723_40 21
#define AUDIO_FORMAT_TYPE_DWVW_12 22
#define AUDIO_FORMAT_TYPE_DWVW_16 23
#define AUDIO_FORMAT_TYPE_DWVW_24 24
#define AUDIO_FORMAT_TYPE_DWVW_N 25
#define AUDIO_FORMAT_TYPE_VORBIS 26
#define AUDIO_FORMAT_TYPE_MPC 27
#define AUDIO_FORMAT_TYPE_MAX 100
/* Channel type */
#define DEVICE_CHANNEL_MONO 1
#define DEVICE_CHANNEL_STEREO (DEVICE_CHANNEL_MONO+1)
#define DEVICE_CHANNEL_QUAD (DEVICE_CHANNEL_STEREO+1)
#define DEVICE_CHANNEL_5POINT1 (DEVICE_CHANNEL_QUAD+1)
#define DEVICE_CHANNEL_6POINT1 (DEVICE_CHANNEL_5POINT1+1)
#define DEVICE_CHANNEL_7POINT1 (DEVICE_CHANNEL_6POINT1+1)
#define AUDIO_VERSON 0
#define AUDIO_PLAY_MODE 1
#define AUDIO_RECORD_MODE 2
/* GAudio plugin type */
#define AUDIO_PLUGIN_AUDIO 1
#define AUDIO_PLUGIN_EFFECT 2
#define AUDIO_PLUGIN_DRIVER 3
#define AUDIO_PLUGIN_RECORDER 4
/* Audio file type */
#define AUDIO_FORMAT_NONE -1
#define AUDIO_FORMAT_RAW 0
#define AUDIO_FORMAT_WAV 1
#define AUDIO_FORMAT_AU 2
#define AUDIO_FORMAT_AIFF 3
#define AUDIO_FORMAT_FLAC 4
#define AUDIO_FORMAT_MP2 5
#define AUDIO_FORMAT_MP3 6
#define AUDIO_FORMAT_APE 7
#define AUDIO_FORMAT_AAC 8
#define AUDIO_FORMAT_CAF 9
#define AUDIO_FORMAT_OGG 10
#define AUDIO_FORMAT_VOC 11
#define AUDIO_FORMAT_WV 12
#define AUDIO_FORMAT_MIDI 13
#define AUDIO_FORMAT_XM 14
#define AUDIO_FORMAT_S3M 15
#define AUDIO_FORMAT_MOD 16
#define AUDIO_FORMAT_IT 17
#define AUDIO_FORMAT_WMA 18
#define AUDIO_FORMAT_WMV 19
#define AUDIO_FORMAT_CD 20
#define AUDIO_FORMAT_VQF 21
#define AUDIO_FORMAT_MPC 22
#define AUDIO_FORMAT_TTA 23
#define AUDIO_FORMAT_AC3 24
/* Audio effect type */
#define AUDIO_EFFECT_NONE -1
#define AUDIO_EFFECT_PHASER 0
#define AUDIO_EFFECT_INVERT 1
#define AUDIO_EFFECT_SWAP_CHANNEL 2
#define AUDIO_EFFECT_MERGE_CHANNEL 3
#define AUDIO_EFFECT_SPEED_CHANGER 4
#define AUDIO_EFFECT_ECHO 5
#define AUDIO_EFFECT_REVERB 6
#define AUDIO_EFFECT_FFT 7
#define AUDIO_EFFECT_EQUALIZER 8
#define AUDIO_EFFECT_BASSBOOST 9
#define AUDIO_EFFECT_CHORUS 10
#define AUDIO_EFFECT_STEREO_ENHANCE 11
#define AUDIO_EFFECT_DISTORTION 12
#define AUDIO_EFFECT_FOLDBACK_DISTORTION 13
#define AUDIO_EFFECT_FLANGER 14
#define AUDIO_EFFECT_AUTOWAH 15
#define AUDIO_EFFECT_COMPRESSER 16
#define AUDIO_EFFECT_MODULATOR 17
#define AUDIO_EFFECT_FADE_IN 18
#define AUDIO_EFFECT_FADE_OUT 19
#define AUDIO_EFFECT_LEVELLER 20
#define AUDIO_EFFECT_ZIPPER 21
extern GAPI int32_t gaudio_is_support(int32_t,int32_t);
extern GAPI void gaudio_set_float(int32_t,float);
extern GAPI void gaudio_get_float(int32_t,float*);
extern GAPI void gaudio_set_int32(int32_t,int32_t);
extern GAPI void gaudio_get_int32(int32_t,int32_t*);
extern GAPI void gaudio_set_string(int32_t,const char*);
extern GAPI int32_t gaudio_get_string(int32_t,char*);
/*! @defgroup errors Error codes
* @ingroup error
* @{ */
/*! @brief GAudio has not been initialized.
*/
#define AUDIO_NO_ERROR 0
/*! @brief GAudio has not been initialized.
*/
#define AUDIO_NOT_INIT 1
#define AUDIO_BAD_TAG 2
#define AUDIO_BAD_VALUE 3
/*! @brief GAudio could not support for the requested client API on the
* system.
*/
#define AUDIO_NOT_SUPPORT 4
#define AUDIO_BAD_OPERATION 5
/*! @brief A memory allocation failed.
*/
#define AUDIO_OUT_OF_MEMORY 6
#define AUDIO_OVER_COUNT 7
#define AUDIO_INNER_ERROR 8
extern GAPI int32_t gaudio_error_get();
extern GAPI void gaudio_source_set_float(gsource*,int32_t,float);
extern GAPI void gaudio_source_get_float(gsource*,int32_t,float*);
extern GAPI void gaudio_source_set_int32(gsource*,int32_t,int32_t);
extern GAPI void gaudio_source_get_int32(gsource*,int32_t,int32_t*);
extern GAPI int32_t gaudio_source_get_string(gsource*,int32_t,char*);
extern GAPI void gaudio_listener_set_float3(int32_t,float,float,float);
extern GAPI void gaudio_listener_get_float3(int32_t,float*,float*,float*);
/*! @brief Create gsource from given audio file name.
*
* This function create gsource from given audio file name,
*
* @param[in] file The file that will be loaded.
* @param[in] flag A flag value which script the load mode
* @return An gsource instance pointer, or `NULL` if the error occur.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_source_create_from_buffer
* @sa gaudio_source_create_from_virtual_io
* @sa gaudio_source_create_from_buffer2
* @sa gaudio_source_destroy
*
* @ingroup gsource
*/
extern GAPI gsource* gaudio_source_create_from_file(const char* file,int32_t flag);
/*! @brief Create gsource by given buffer
*
* This function create gsource from given buffer, the buffer length is pointed by user.
*
* @param[in] buffer The buffer that will be loaded.
* @param[in] length The length of buffer
* @return An gsource instance pointer, or `NULL` if the error occur.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_source_create_from_file
* @sa gaudio_source_create_from_virtual_io
* @sa gaudio_source_create_from_buffer2
* @sa gaudio_source_destroy
*
* @ingroup gsource
*/
extern GAPI gsource* gaudio_source_create_from_buffer(int8_t* buffer,uint32_t length);
/*! @brief Create gsource by user io
*
* This function create gsource from user io, the io operation is pointed by user.
*
* @param[in] read The read callback function.
* @param[in] seek The seek callback function.
* @param[in] tell The tell callback function.
* @param[in] close The close callback function.
* @param[in] user The user client data pointer.
* @return An gsource instance pointer, or `NULL` if the error occur.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_source_create_from_file
* @sa gaudio_source_create_from_buffer
* @sa gaudio_source_create_from_buffer2
* @sa gaudio_source_destroy
*
* @ingroup gsource
*/
extern GAPI gsource* gaudio_source_create_from_virtual_io(gread read,gseek seek,gtell tell,gclose close,void* user);
/*! @brief Create gsource by given pcm data
*
* This function create gsource from user io, the io operation is pointed by user.
*
* @param[in] samplerate The given source's samplerate.
* @param[in] channels The given source's chgannels.
* @param[in] format The given source's format.
* @param[in] pcm The given source's data buffer.
* @param[in] length The length of given source data.
* @return An gsource instance pointer, or `NULL` if the error occur.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_source_create_from_file
* @sa gaudio_source_create_from_buffer
* @sa gaudio_source_create_from_virtual_io
* @sa gaudio_source_destroy
*
* @ingroup gsource
*/
extern GAPI gsource* gaudio_source_create_from_buffer2(uint32_t samplerate,uint32_t channels,uint32_t format,int8_t* pcm,uint32_t length);
/*! @brief Destroy gsource instance.
*
* This function destroy given gsource instance,
*
* @param[in] source A gsource instance which will be destroyed.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_source_create_from_file
* @sa gaudio_source_create_from_buffer
* @sa gaudio_source_create_from_virtual_io
* @sa gaudio_source_create_from_buffer2
*
* @ingroup gsource
*/
extern GAPI void GAPIENTRY gaudio_source_destroy(gsource* source);
/*! @brief The function signature for source content finish callbacks.
*
* This is the function signature for source finish callback functions.
*
* @param[in] source The source whose content needs to be triggered.
*
* @sa gaudio_source_set_finish_callback
*
* @ingroup gsource
*/
typedef void(GAPIENTRY* gfinish)(gsource* source);
/*! @brief Sets the gsource callback.
*
* This function sets the playing finished callback of the specified gsource, which is
* called when source playing finished.
*
* @param[in] source The source whose callback to set.
* @param[in] finish The new gfinish callback.
*
* @ingroup gsource
*/
extern GAPI void gaudio_source_set_finish_callback(gsource* source,gfinish finish);
/*! @brief The function signature for gsource error callbacks.
*
* This is the function signature for gsource error callback functions.
*
* @param[in] source The source whose content needs to be triggered.
*
* @sa gaudio_source_set_error_callback
*
* @ingroup gsource
*/
typedef void(GAPIENTRY* gerror)(gsource*,int32_t,int32_t);
/*! @brief Sets the gsource error callback.
*
* This function sets the playing error callback of the specified gsource, which is
* called when error occur.
*
* @param[in] source The source whose callback to set.
* @param[in] error The error callback function.
*
* @ingroup gsource
*/
extern GAPI void gaudio_source_set_error_callback(gsource* source,gerror error);
extern GAPI void gaudio_source_set(gsource*,int32_t,float,float,float);
extern GAPI void gaudio_source_get(gsource*,int32_t,float*,float*,float*);
extern GAPI void gaudio_source_start(gsource* source,int32_t flag);
extern GAPI void gaudio_source_start_3d(gsource*,int32_t);
/*! @brief pause the specified audio source.
*
* This function pause the specified audio source, if it was previously
* playing.
*
* @param[in] source The audio source to pause.
*
* @sa gaudio_source_start
* @sa gaudio_source_stop
*
* @ingroup gsource
*/
extern GAPI void gaudio_source_pause(gsource* source);
/*! @brief stop the specified audio source.
*
* This function stop the specified audio source, if it was previously
* playing or pause.
*
* @param[in] source The audio source to stop.
*
* @sa gaudio_source_start
* @sa gaudio_source_pause
*
* @ingroup gsource
*/
extern GAPI void gaudio_source_stop(gsource* source);
/*! @brief seek the specified audio source to given position.
*
* This function seek the specified audio source, if it was previously
* playing or pause.
*
* @param[in] source The audio source to seek.
*
* @sa gaudio_source_start
* @sa gaudio_source_stop
* @sa gaudio_source_seek
*
* @ingroup gsource
*/
extern GAPI void gaudio_source_seek(gsource* source,int32_t missecond);
/*! @brief The function signature for gsource position callbacks.
*
* This is the function signature for gsource position callback functions.
*
* @param[in] source The source whose content needs to be triggered.
*
* @sa gaudio_source_set_position_callback
*
* @ingroup gsource
*/
typedef void(GAPIENTRY* gposition)(gsource*,int32_t);
extern GAPI void gaudio_source_set_position_callback(gsource* source,gposition);
/*! @brief Create geffect instance.
*
* This function create given geffect instance,
*
* @param[in] effect A effect id which will be created.
* @param[out] A effect pointer instance, NULL for error occur.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_effect_create
*
* @ingroup geffect
*/
extern GAPI geffect* gaudio_effect_create(int32_t effect,int32_t flag);
/*! @brief Destroy geffect instance.
*
* This function destroy given geffect instance,
*
* @param[in] effect A effect instance which will be destroyed.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_effect_create
*
* @ingroup geffect
*/
extern GAPI void gaudio_effect_destroy(geffect* effect);
/*! @brief The function signature for geffect fft callbacks.
*
* This is the function signature for geffect fft calc callback functions.
*
* @param[in] source The source whose content needs to be triggered.
*
* @ingroup geffect
*/
typedef void(GAPIENTRY* gefxcb)(geffect*,float*,int32_t,int32_t,int32_t);
extern GAPI void gaudio_effect_set_callback(geffect*,gefxcb);
extern GAPI void gaudio_effect_bind(geffect* effect,int32_t flag);
/*! @brief bind effect with given source.
*
* @param[in] effect An effect pointer which will be bind to source.
* @param[in] source A source pointer which will be bind to effect.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_effect_bind
* @sa gaudio_effect_unbind
* @sa gaudio_effect_unbind_from_source
*
* @ingroup geffect
*/
extern GAPI void gaudio_effect_bind_to_source(geffect* effect,gsource* source);
/*! @brief unbind effect from global context.
*
* @param[in] effect An effect pointer which will be unbind from global.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_effect_bind_to_source
* @sa gaudio_effect_unbind
* @sa gaudio_effect_unbind_from_source
*
* @ingroup geffect
*/
extern GAPI void gaudio_effect_unbind(geffect* effect);
/*! @brief unbind effect with given source.
*
* @param[in] effect An effect pointer which will be unbind to source.
* @param[in] source A source pointer which will be unbind to effect.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_effect_bind
* @sa gaudio_effect_unbind
* @sa gaudio_effect_bind_to_source
*
* @ingroup geffect
*/
extern GAPI void gaudio_effect_unbind_from_source(geffect* effect,gsource* source);
extern GAPI void gaudio_effect_set_float(geffect*,int32_t,float);
extern GAPI void gaudio_effect_get_float(geffect*,int32_t,float*);
#define AUDIO_EFFECT_ENABLE 0
extern GAPI void gaudio_effect_set_int32(geffect*,int32_t,int32_t);
extern GAPI void gaudio_effect_get_int32(geffect*,int32_t,int32_t*);
extern GAPI grecorder* gaudio_recorder_create(const char*,uint32_t,uint32_t,uint32_t,uint32_t);
extern GAPI void gaudio_recorder_start(grecorder*);
extern GAPI void gaudio_recorder_stop(grecorder*);
/*! @brief Destroy grecorder instance.
*
* This function destroy given grecorder instance,
*
* @param[in] source A grecorder instance which will be destroyed.
*
* @note This function may only be called from the main thread.
*
* @sa gaudio_recorder_create
*
* @ingroup grecorder
*/
extern GAPI void gaudio_recorder_destroy(grecorder* recorder);
/*! @brief Returns the address of the specified function for the current
* context.
*
* This function returns the address of the specified
* [client API or extension function], if it is supported
* by the current context.
*
* @param[in] name The ASCII encoded name of the function.
* @return The address of the function, or `NULL` if the function is
* unavailable.
*
* @remarks This function may be called from secondary threads.
*
* @note The addresses of these functions are not guaranteed to be the same for
* all contexts, especially if they use different client APIs or even different
* context creation hints.
*
* @ingroup context
*/
extern GAPI void* gaudio_address_get(const char* name);
#if defined(__cplusplus)
}
#endif
/*************************************************************************
* Global definition cleanup
*************************************************************************/
#endif /* _gaudio_h_ */
需要说明的是使用IntPtr可以替换c语言中的udt类型,由于不熟悉c#以上c#代码可能存在问题
最终的测试代码如下:
using System;
using gaudio;
namespace Simple
{
class Simple
{
static void Main(string[] args)
{
gaudio.GAudio.gaudio_init("addons");
int error = gaudio.GAudio.gaudio_error_get();
if(error != 0)
return;
IntPtr source = gaudio.GAudio.gaudio_source_create_from_file("azure.xm",0);
if(source == null)
{
Console.WriteLine("create source failed.");
gaudio.GAudio.gaudio_deinit();
return;
}
gaudio.GAudio.gaudio_source_start(source,1);
Console.WriteLine("Press any key to exit!");
Console.ReadKey(true);
gaudio.GAudio.gaudio_source_destroy(source);
gaudio.GAudio.gaudio_deinit();
}
}
}