Ejemplos de midibuf_skip_message en C++ (Cpp)

Ejemplo n.º 1

Archivo: midi.c Proyecto: flwh/Alcatel_OT_985_kernel

static void line6_midi_transmit(struct snd_rawmidi_substream *substream)
{
	struct usb_line6 *line6 = line6_rawmidi_substream_midi(substream)->line6;
	struct snd_line6_midi *line6midi = line6->line6midi;
	struct MidiBuffer *mb = &line6midi->midibuf_out;
	unsigned long flags;
	unsigned char chunk[line6->max_packet_size];
	int req, done;

	spin_lock_irqsave(&line6->line6midi->midi_transmit_lock, flags);

	for (;;) {
		req = min(midibuf_bytes_free(mb), line6->max_packet_size);
		done = snd_rawmidi_transmit_peek(substream, chunk, req);

		if (done == 0)
			break;

#if DO_DUMP_MIDI_SEND
		line6_write_hexdump(line6, 's', chunk, done);
#endif
		midibuf_write(mb, chunk, done);
		snd_rawmidi_transmit_ack(substream, done);
	}

	for (;;) {
		done = midibuf_read(mb, chunk, line6->max_packet_size);

		if (done == 0)
			break;

		if (midibuf_skip_message(mb, line6midi->midi_mask_transmit))
			continue;

		send_midi_async(line6, chunk, done);
	}

	spin_unlock_irqrestore(&line6->line6midi->midi_transmit_lock, flags);
}

Ejemplo n.º 2

Archivo: driver.c Proyecto: AppEngine/linux-2.6

/*
	Notification of data received from the Line6 device.
*/
static void line6_data_received(struct urb *urb)
{
	struct usb_line6 *line6 = (struct usb_line6 *)urb->context;
	struct MidiBuffer *mb = &line6->line6midi->midibuf_in;
	int done;

	if (urb->status == -ESHUTDOWN)
		return;

#if DO_DUMP_URB_RECEIVE
	line6_dump_urb(urb);
#endif

	done = midibuf_write(mb, urb->transfer_buffer, urb->actual_length);

	if (done < urb->actual_length) {
		midibuf_ignore(mb, done);
		DEBUG_MESSAGES(dev_err(line6->ifcdev, "%d %d buffer overflow - message skipped\n", done, urb->actual_length));
	}

	for (;;) {
		done = midibuf_read(mb, line6->buffer_message, LINE6_MESSAGE_MAXLEN);

		if (done == 0)
			break;

		/* MIDI input filter */
		if (midibuf_skip_message(mb, line6->line6midi->midi_mask_receive))
			continue;

		line6->message_length = done;
#if DO_DUMP_MIDI_RECEIVE
		line6_write_hexdump(line6, 'r', line6->buffer_message, done);
#endif
		line6_midi_receive(line6, line6->buffer_message, done);

		switch (line6->usbdev->descriptor.idProduct) {
		case LINE6_DEVID_BASSPODXT:
		case LINE6_DEVID_BASSPODXTLIVE:
		case LINE6_DEVID_BASSPODXTPRO:
		case LINE6_DEVID_PODXT:
		case LINE6_DEVID_PODXTPRO:
		case LINE6_DEVID_POCKETPOD:
			pod_process_message((struct usb_line6_pod *)line6);
			break;

		case LINE6_DEVID_PODXTLIVE:
			switch (line6->interface_number) {
			case PODXTLIVE_INTERFACE_POD:
				pod_process_message((struct usb_line6_pod *)line6);
				break;

			case PODXTLIVE_INTERFACE_VARIAX:
				variax_process_message((struct usb_line6_variax *)line6);
				break;

			default:
				dev_err(line6->ifcdev, "PODxt Live interface %d not supported\n", line6->interface_number);
			}
			break;

		case LINE6_DEVID_VARIAX:
			variax_process_message((struct usb_line6_variax *)line6);
			break;

		default:
			MISSING_CASE;
		}
	}

	line6_start_listen(line6);
}