/* channel common events: mode1 and 2 */
static int
chn_common_event(seq_oss_devinfo_t *dp, evrec_t *q, snd_seq_event_t *ev)
{
if (q->l.chn >= 32)
return -EINVAL;
switch (q->l.cmd) {
case MIDI_PGM_CHANGE:
return set_control_event(dp, q->l.dev, SNDRV_SEQ_EVENT_PGMCHANGE,
q->l.chn, 0, q->l.p1, ev);
case MIDI_CTL_CHANGE:
return set_control_event(dp, q->l.dev, SNDRV_SEQ_EVENT_CONTROLLER,
q->l.chn, q->l.p1, q->l.val, ev);
case MIDI_PITCH_BEND:
/* conversion: 0:0x3fff -> -0x2000:0x1fff */
return set_control_event(dp, q->l.dev, SNDRV_SEQ_EVENT_PITCHBEND,
q->l.chn, 0, q->l.val - 8192, ev);
case MIDI_CHN_PRESSURE:
return set_control_event(dp, q->l.dev, SNDRV_SEQ_EVENT_CHANPRESS,
q->l.chn, 0, q->l.val, ev);
}
return -EINVAL;
}
void VDAgent::dispatch_message(VDAgentMessage* msg, uint32_t port)
{
bool res = true;
switch (msg->type) {
case VD_AGENT_MOUSE_STATE:
res = handle_mouse_event((VDAgentMouseState*)msg->data);
break;
case VD_AGENT_MONITORS_CONFIG:
res = handle_mon_config((VDAgentMonitorsConfig*)msg->data, port);
break;
case VD_AGENT_CLIPBOARD:
handle_clipboard((VDAgentClipboard*)msg->data, msg->size - sizeof(VDAgentClipboard));
break;
case VD_AGENT_CLIPBOARD_GRAB:
handle_clipboard_grab((VDAgentClipboardGrab*)msg->data, msg->size);
break;
case VD_AGENT_CLIPBOARD_REQUEST:
res = handle_clipboard_request((VDAgentClipboardRequest*)msg->data);
if (!res) {
VDAgentClipboard clipboard = {VD_AGENT_CLIPBOARD_NONE};
res = write_message(VD_AGENT_CLIPBOARD, sizeof(clipboard), &clipboard);
}
break;
case VD_AGENT_CLIPBOARD_RELEASE:
handle_clipboard_release();
break;
case VD_AGENT_DISPLAY_CONFIG:
res = handle_display_config((VDAgentDisplayConfig*)msg->data, port);
break;
case VD_AGENT_ANNOUNCE_CAPABILITIES:
res = handle_announce_capabilities((VDAgentAnnounceCapabilities*)msg->data, msg->size);
break;
case VD_AGENT_FILE_XFER_START:
case VD_AGENT_FILE_XFER_STATUS:
case VD_AGENT_FILE_XFER_DATA: {
VDAgentFileXferStatusMessage status;
if (_file_xfer.dispatch(msg, &status)) {
write_message(VD_AGENT_FILE_XFER_STATUS, sizeof(status), &status);
}
break;
}
case VD_AGENT_CLIENT_DISCONNECTED:
vd_printf("Client disconnected, agent to be restarted");
set_control_event(CONTROL_STOP);
break;
case VD_AGENT_MAX_CLIPBOARD:
res = handle_max_clipboard((VDAgentMaxClipboard*)msg->data, msg->size);
break;
default:
vd_printf("Unsupported message type %u size %u", msg->type, msg->size);
}
if (!res) {
vd_printf("handling message type %u failed: %lu", msg->type, GetLastError());
_running = false;
}
}
void VDAgent::handle_clipboard_release()
{
if (_clipboard_owner != owner_client) {
vd_printf("Received clipboard release from client while clipboard is not owned by client");
return;
}
set_control_event(CONTROL_CLIPBOARD);
set_clipboard_owner(owner_none);
}
bool VDAgent::handle_clipboard(VDAgentClipboard* clipboard, uint32_t size)
{
HANDLE clip_data;
UINT format;
bool ret = false;
if (_clipboard_owner != owner_client) {
vd_printf("Received clipboard data from client while clipboard is not owned by client");
goto fin;
}
if (clipboard->type == VD_AGENT_CLIPBOARD_NONE) {
goto fin;
}
switch (clipboard->type) {
case VD_AGENT_CLIPBOARD_UTF8_TEXT:
clip_data = utf8_alloc((LPCSTR)clipboard->data, size);
break;
case VD_AGENT_CLIPBOARD_IMAGE_PNG:
case VD_AGENT_CLIPBOARD_IMAGE_BMP: {
DWORD cximage_format = get_cximage_format(clipboard->type);
ASSERT(cximage_format);
CxImage image(clipboard->data, size, cximage_format);
clip_data = image.CopyToHandle();
break;
}
default:
vd_printf("Unsupported clipboard type %u", clipboard->type);
goto fin;
}
format = get_clipboard_format(clipboard->type);
if (format == 0) {
vd_printf("Unknown clipboard format, type %u", clipboard->type);
goto fin;
}
ret = !!SetClipboardData(format, clip_data);
if (!ret) {
DWORD err = GetLastError();
if (err == ERROR_NOT_ENOUGH_MEMORY) {
vd_printf("Not enough memory to set clipboard data, size %u bytes", size);
} else {
vd_printf("SetClipboardData failed: %lu", err);
}
}
fin:
set_control_event(CONTROL_CLIPBOARD);
return ret;
}
/* 8bytes extended event: mode1 only */
static int
extended_event(seq_oss_devinfo_t *dp, evrec_t *q, snd_seq_event_t *ev)
{
int val;
switch (q->e.cmd) {
case SEQ_NOTEOFF:
return note_off_event(dp, q->e.dev, q->e.chn, q->e.p1, q->e.p2, ev);
case SEQ_NOTEON:
return note_on_event(dp, q->e.dev, q->e.chn, q->e.p1, q->e.p2, ev);
case SEQ_PGMCHANGE:
return set_control_event(dp, q->e.dev, SNDRV_SEQ_EVENT_PGMCHANGE,
q->e.chn, 0, q->e.p1, ev);
case SEQ_AFTERTOUCH:
return set_control_event(dp, q->e.dev, SNDRV_SEQ_EVENT_CHANPRESS,
q->e.chn, 0, q->e.p1, ev);
case SEQ_BALANCE:
/* convert -128:127 to 0:127 */
val = (char)q->e.p1;
val = (val + 128) / 2;
return set_control_event(dp, q->e.dev, SNDRV_SEQ_EVENT_CONTROLLER,
q->e.chn, CTL_PAN, val, ev);
case SEQ_CONTROLLER:
val = ((short)q->e.p3 << 8) | (short)q->e.p2;
switch (q->e.p1) {
case CTRL_PITCH_BENDER: /* SEQ1 V2 control */
/* -0x2000:0x1fff */
return set_control_event(dp, q->e.dev,
SNDRV_SEQ_EVENT_PITCHBEND,
q->e.chn, 0, val, ev);
case CTRL_PITCH_BENDER_RANGE:
/* conversion: 100/semitone -> 128/semitone */
return set_control_event(dp, q->e.dev,
SNDRV_SEQ_EVENT_REGPARAM,
q->e.chn, 0, val*128/100, ev);
default:
return set_control_event(dp, q->e.dev,
SNDRV_SEQ_EVENT_CONTROL14,
q->e.chn, q->e.p1, val, ev);
}
case SEQ_VOLMODE:
return snd_seq_oss_synth_raw_event(dp, q->e.dev, q->c, ev);
}
return -EINVAL;
}
/* old type events: mode1 only */
static int
old_event(seq_oss_devinfo_t *dp, evrec_t *q, snd_seq_event_t *ev)
{
switch (q->s.code) {
case SEQ_NOTEOFF:
return note_off_event(dp, 0, q->n.chn, q->n.note, q->n.vel, ev);
case SEQ_NOTEON:
return note_on_event(dp, 0, q->n.chn, q->n.note, q->n.vel, ev);
case SEQ_WAIT:
/* skip */
break;
case SEQ_PGMCHANGE:
return set_control_event(dp, 0, SNDRV_SEQ_EVENT_PGMCHANGE,
q->n.chn, 0, q->n.note, ev);
case SEQ_SYNCTIMER:
return snd_seq_oss_timer_reset(dp->timer);
}
return -EINVAL;
}
void VDService::stop()
{
vd_printf("Service stopped");
set_control_event(VD_CONTROL_STOP);
}
