snd_rawmidi_receive (9) Linux Manual Page
snd_rawmidi_receive – receive the input data from the device
Synopsis
int snd_rawmidi_receive(struct snd_rawmidi_substream *substream, const unsigned char *buffer, int count);Arguments
substream
-
- the rawmidi substream
buffer
- the buffer pointer
count
- the data size to read
Description
Reads the data from the internal buffer.
Return
The size of read data, or a negative error code on failure.