other versions
- jessie 3.16.56-1+deb8u1
SND_RAWMIDI_TRANSMIT(9) | Sound Devices | SND_RAWMIDI_TRANSMIT(9) |
NAME¶
snd_rawmidi_transmit_peek - copy data from the internal bufferSYNOPSIS¶
int
snd_rawmidi_transmit_peek(struct snd_rawmidi_substream * substream,
unsigned char * buffer,
int count);
ARGUMENTS¶
substreamthe rawmidi substream
buffer
the buffer pointer
count
data size to transfer
DESCRIPTION¶
Copies data from the internal output buffer to the given buffer. Call this in the interrupt handler when the midi output is ready, and call snd_rawmidi_transmit_ack after the transmission is finished.RETURN¶
The size of copied data, or a negative error code on failure.COPYRIGHT¶
May 2018 | Kernel Hackers Manual 3.16 |