audio_external Text

note
	description: "External C feature for Audio libraries."
	author: "Louis Marchand"
	date: "Tue, 07 Apr 2015 01:15:20 +0000"
	revision: "2.0"

class 
	AUDIO_EXTERNAL

create 
	default_create

feature -- OpenAL Functions

	frozen al_get_error: INTEGER_32
		external
			"C : ALenum | <al.h>"
		alias
			"alGetError"
		end

	frozen alc_get_error (device: POINTER): INTEGER_32
		external
			"C (ALCdevice *) : ALCenum | <alc.h>"
		alias
			"alcGetError"
		end

	frozen alc_get_string (devicehandle: POINTER; token: INTEGER_32): POINTER
		external
			"C (ALCdevice *, ALCenum) : const ALCchar * | <alc.h>"
		alias
			"alcGetString"
		end

	frozen alc_create_context (device: POINTER; flags: POINTER): POINTER
		external
			"C (ALCdevice *,ALCint *) : ALCcontext * | <alc.h>"
		alias
			"alcCreateContext"
		end

	frozen alc_make_context_current (context: POINTER): BOOLEAN
		external
			"C (ALCcontext *) : ALCboolean | <alc.h>"
		alias
			"alcMakeContextCurrent"
		end

	frozen alc_get_current_context: POINTER
		external
			"C : ALCcontext * | <alc.h>"
		alias
			"alcGetCurrentContext"
		end

	frozen alc_destroy_context (context: POINTER)
		external
			"C (ALCcontext *) | <alc.h>"
		alias
			"alcDestroyContext"
		end

	frozen alc_suspend_context (context: POINTER)
		external
			"C (ALCcontext *) | <alc.h>"
		alias
			"alcSuspendContext"
		end

	frozen alc_open_device (device_name: POINTER): POINTER
		external
			"C (const ALCchar *) : ALCdevice * | <alc.h>"
		alias
			"alcOpenDevice"
		end

	frozen alc_close_device (device: POINTER): BOOLEAN
		external
			"C (ALCdevice *) : ALCboolean | <alc.h>"
		alias
			"alcCloseDevice"
		end

	frozen alc_is_extension_present (a_device, a_extname: POINTER): BOOLEAN
		external
			"C (ALCdevice *, const ALCchar *) : ALCboolean | <alc.h>"
		alias
			"alcIsExtensionPresent"
		end

	frozen alc_capture_open_device (a_devicename: POINTER; a_frequency: NATURAL_32; a_format, a_buffersize: INTEGER_32): POINTER
		external
			"C (const ALCchar *, ALCuint, ALCenum, ALCsizei) : ALCdevice * | <alc.h>"
		alias
			"alcCaptureOpenDevice"
		end

	frozen alc_capture_close_device (a_device: POINTER): BOOLEAN
		external
			"C (ALCdevice *) : ALCboolean | <alc.h>"
		alias
			"alcCaptureCloseDevice"
		end

	frozen alc_capture_start (a_device: POINTER)
		external
			"C (ALCdevice *) | <alc.h>"
		alias
			"alcCaptureStart"
		end

	frozen alc_capture_stop (a_device: POINTER)
		external
			"C (ALCdevice *) | <alc.h>"
		alias
			"alcCaptureStop"
		end

	frozen alc_capture_samples (a_device, a_buffer: POINTER; a_samples: INTEGER_32)
		external
			"C (ALCdevice *, ALCvoid *, ALCsizei) | <alc.h>"
		alias
			"alcCaptureSamples"
		end

	frozen al_get_listener_fv (param: INTEGER_32; les_params: POINTER)
		external
			"C (ALenum, ALfloat *) | <al.h>"
		alias
			"alGetListenerfv"
		end

	frozen al_set_listener_fv (param: INTEGER_32; les_params: POINTER)
		external
			"C (ALenum, ALfloat *) | <al.h>"
		alias
			"alListenerfv"
		end

	frozen al_get_source_fv (source_id: NATURAL_32; param: INTEGER_32; les_params: POINTER)
		external
			"C (ALuint, ALenum, ALfloat *) | <al.h>"
		alias
			"alGetSourcefv"
		end

	frozen al_get_source_i (source_id: NATURAL_32; param: INTEGER_32; les_params: POINTER)
		external
			"C (ALuint, ALenum, ALint *) | <al.h>"
		alias
			"alGetSourcei"
		end

	frozen al_get_source_f (source_id: NATURAL_32; param: INTEGER_32; les_params: POINTER)
		external
			"C (ALuint, ALenum, ALfloat *) | <al.h>"
		alias
			"alGetSourcef"
		end

	frozen al_is_source (source_id: NATURAL_32): BOOLEAN
		external
			"C (ALuint) : ALboolean | <al.h>"
		alias
			"alIsSource"
		end

	frozen al_set_source_fv (source_id: NATURAL_32; param: INTEGER_32; les_params: POINTER)
		external
			"C (ALuint, ALenum, ALfloat *) | <al.h>"
		alias
			"alSourcefv"
		end

	frozen al_set_source_f (source_id: NATURAL_32; param: INTEGER_32; les_params: REAL_32)
		external
			"C (ALuint, ALenum, ALfloat) | <al.h>"
		alias
			"alSourcef"
		end

	frozen al_gen_sources (nb: INTEGER_32; sources: POINTER)
		external
			"C (ALsizei, ALuint *) | <al.h>"
		alias
			"alGenSources"
		end

	frozen al_delete_sources (nb: INTEGER_32; sources: POINTER)
		external
			"C (ALsizei, ALuint *) | <al.h>"
		alias
			"alDeleteSources"
		end

	frozen al_gen_buffers (nb: INTEGER_32; buffers: POINTER)
		external
			"C (ALsizei, ALuint *) | <al.h>"
		alias
			"alGenBuffers"
		end

	frozen al_is_buffer (buffer: NATURAL_32): BOOLEAN
		external
			"C (ALuint) : ALboolean | <al.h>"
		alias
			"alIsBuffer"
		end

	frozen al_source_queue_buffers (source: NATURAL_32; nb: INTEGER_32; buffers: POINTER)
		external
			"C (ALuint, ALsizei, ALuint *) | <al.h>"
		alias
			"alSourceQueueBuffers"
		end

	frozen al_source_unqueue_buffers (source: NATURAL_32; nb: INTEGER_32; buffers: POINTER)
		external
			"C (ALuint, ALsizei, ALuint *) | <al.h>"
		alias
			"alSourceUnqueueBuffers"
		end

	frozen al_delete_buffers (nb: INTEGER_32; buffers: POINTER)
		external
			"C (ALsizei, ALuint *) | <al.h>"
		alias
			"alDeleteBuffers"
		end

	frozen al_buffer_data (buffer_id: NATURAL_32; format: INTEGER_32; buffers: POINTER; size, freq: INTEGER_32)
		external
			"C (ALuint, ALenum, ALvoid *, ALsizei, ALsizei) | <al.h>"
		alias
			"alBufferData"
		end

	frozen al_source_play (source: NATURAL_32)
		external
			"C (ALuint) | <al.h>"
		alias
			"alSourcePlay"
		end

	frozen al_source_pause (source: NATURAL_32)
		external
			"C (ALuint) | <al.h>"
		alias
			"alSourcePause"
		end

	frozen al_source_stop (source: NATURAL_32)
		external
			"C (ALuint) | <al.h>"
		alias
			"alSourceStop"
		end

	frozen al_source_rewind (source: NATURAL_32)
		external
			"C (ALuint) | <al.h>"
		alias
			"alSourceRewind"
		end
	
feature -- OpenAL Constants

	frozen alc_all_device_specifier: INTEGER_32
		external
			"C inline use <alc.h>"
		alias
			"ALC_ALL_DEVICES_SPECIFIER"
		end

	frozen alc_device_specifier: INTEGER_32
		external
			"C inline use <alc.h>"
		alias
			"ALC_DEVICE_SPECIFIER"
		end

	frozen alc_capture_device_specifier: INTEGER_32
		external
			"C inline use <alc.h>"
		alias
			"ALC_CAPTURE_DEVICE_SPECIFIER"
		end

	frozen alc_invalid_value: INTEGER_32
		external
			"C inline use <alc.h>"
		alias
			"ALC_INVALID_VALUE"
		end

	frozen al_invalid_value: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_INVALID_VALUE"
		end

	frozen al_invalid_enum: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_INVALID_ENUM"
		end

	frozen alc_invalid_enum: INTEGER_32
		external
			"C inline use <alc.h>"
		alias
			"ALC_INVALID_ENUM"
		end

	frozen al_invalid_operation: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_INVALID_OPERATION"
		end

	frozen al_invalid_name: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_INVALID_NAME"
		end

	frozen al_out_of_memory: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_OUT_OF_MEMORY"
		end

	frozen alc_out_of_memory: INTEGER_32
		external
			"C inline use <alc.h>"
		alias
			"ALC_OUT_OF_MEMORY"
		end

	frozen alc_invalid_device: INTEGER_32
		external
			"C inline use <alc.h>"
		alias
			"ALC_INVALID_DEVICE"
		end

	frozen alc_invalid_context: INTEGER_32
		external
			"C inline use <alc.h>"
		alias
			"ALC_INVALID_CONTEXT"
		end

	frozen al_no_error: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_NO_ERROR"
		end

	frozen alc_no_error: INTEGER_32
		external
			"C inline use <alc.h>"
		alias
			"ALC_NO_ERROR"
		end

	frozen al_position: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_POSITION"
		end

	frozen al_velocity: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_VELOCITY"
		end

	frozen al_orientation: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_ORIENTATION"
		end

	frozen al_direction: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_DIRECTION"
		end

	frozen al_buffers_processed: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_BUFFERS_PROCESSED"
		end

	frozen al_buffers_queued: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_BUFFERS_QUEUED"
		end

	frozen al_format_mono8: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_FORMAT_MONO8"
		end

	frozen al_format_stereo8: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_FORMAT_STEREO8"
		end

	frozen al_format_mono16: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_FORMAT_MONO16"
		end

	frozen al_format_stereo16: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_FORMAT_STEREO16"
		end

	frozen al_source_state: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_SOURCE_STATE"
		end

	frozen al_initial: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_INITIAL"
		end

	frozen al_playing: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_PLAYING"
		end

	frozen al_paused: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_PAUSED"
		end

	frozen al_stopped: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_STOPPED"
		end

	frozen al_gain: INTEGER_32
		external
			"C inline use <al.h>"
		alias
			"AL_GAIN"
		end
	
end -- class AUDIO_EXTERNAL
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