snd_rawmidi_transmit (9) Linux Manual Page
snd_rawmidi_transmit – copy from the buffer to the device
Synopsis
int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream, unsigned char *buffer, int count);Arguments
substream
-
- the rawmidi substream
buffer
- the buffer pointer
count
- the data size to transfer
Description
Copies data from the buffer to the device and advances the pointer.
Return
The copied size if successful, or a negative error code on failure.