al_get_audio_stream_fragment man page on DragonFly
[printable version]
al_get_audio_stream_fragment(3) al_get_audio_stream_fragment(3)
NAME
al_get_audio_stream_fragment - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro_audio.h>
void *al_get_audio_stream_fragment(const ALLEGRO_AUDIO_STREAM *stream)
DESCRIPTION
When using Allegro's audio streaming, you will use this function to
continuously provide new sample data to a stream.
If the stream is ready for new data, the function will return the
address of an internal buffer to be filled with audio data. The length
and format of the buffer are specified with al_create_audio_stream(3)
or can be queried with the various functions described here. Once the
buffer is filled, you must signal this to Allegro by passing the buffer
to al_set_audio_stream_fragment(3).
If the stream is not ready for new data, the function will return NULL.
Note: If you listen to events from the stream, an ALLE‐
GRO_EVENT_AUDIO_STREAM_FRAGMENT event will be generated whenever
a new fragment is ready. However, getting an event is not a
guarantee that al_get_audio_stream_fragment(3) will not return
NULL, so you still must check for it.
SEE ALSO
al_set_audio_stream_fragment(3), al_get_audio_stream_event_source(3),
al_get_audio_stream_frequency(3), al_get_audio_stream_channels(3),
al_get_audio_stream_depth(3), al_get_audio_stream_length(3)
Allegro reference manual al_get_audio_stream_fragment(3)
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