Sources

Distant scream

A source is something that plays a sound in the world. It's linked to a buffer to play and it have a position and orientation in the world.

Create and Destroy

Sources are created with alGenSources() and destroyed with alDeleteSources.

Functions

alSourcePlay: Start playing the source and if it is already playing start it at the beginning.

alSourcePause: Pause the source.

alSoueceStop: Changed to source to the stopped state.

alSourceRewind

alSourceQueueBuffers

Set Parameters

These are the following options that can be set on a source with the alSourcei.

AL_BUFFER: This is used to set the id of the buffer that has the sound this source will play.

AL_POSITION: This set the position of the source. Three float values.

AL_VELOCITY

AL_DIRECTION: This set the way the source is facing. Six float values.

AL_GAIN: Scalar amplitude multiplier. Default value 1.0f.

AL_PITCH

AL_LOOPING: If this is true (default false) the source will loop it sound when playing.

AL_SOURCE_RELATIVE: If this is true (default is false) then the position, orientation of the source will be relative to the listner instead of the absolute positions in the world.

AL_REFERENCE_DISTANCE

AL_MIN_GAIN

AL_MAX_GAIN

AL_REFERENCE_DISTANCE

AL_ROLLOFF_FACTOR

AL_MAX_DISTANCE

AL_CONE_INNER_ANGLE

AL_CONE_OUTER_ANGLE

AL_CONE_OUTER_GAIN

Get Parameters

AL_SOURCE_STATE

AL_SEC_OFFSET

AL_SAMPLE_OFFSET

AL_BYTE_OFFSET

AL_SOURCE_TYPE

AL_BUFFER_QUEUED

AL_BUFFERS_PROCESSED