snd_rawmidi_receive(9) 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.

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