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wineoss: Move the regular data handling to a separate helper. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2022-04-28 08:50:57 -05:00 committed by Alexandre Julliard
parent 96fe738087
commit 46c3fd9a7d
1 changed files with 61 additions and 63 deletions
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124
dlls/wineoss.drv/midi.c
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@ -247,13 +247,69 @@ static void handle_sysex_data(struct midi_src *src, unsigned char value, UINT ti
in_buffer_unlock();
}
static void handle_regular_data(struct midi_src *src, unsigned char value, UINT time)
{
UINT to_send = 0;
#define IS_CMD(_x) (((_x) & 0x80) == 0x80)
#define IS_SYS_CMD(_x) (((_x) & 0xF0) == 0xF0)
if (!IS_CMD(value) && src->incLen == 0) /* try to reuse old cmd */
{
if (IS_CMD(src->incPrev) && !IS_SYS_CMD(src->incPrev))
{
src->incoming[0] = src->incPrev;
src->incLen = 1;
}
else
{
/* FIXME: should generate MIM_ERROR notification */
return;
}
}
src->incoming[(int)src->incLen++] = value;
if (src->incLen == 1 && !IS_SYS_CMD(src->incoming[0]))
/* store new cmd, just in case */
src->incPrev = src->incoming[0];
#undef IS_CMD
#undef IS_SYS_CMD
switch (src->incoming[0] & 0xF0)
{
case MIDI_NOTEOFF:
case MIDI_NOTEON:
case MIDI_KEY_PRESSURE:
case MIDI_CTL_CHANGE:
case MIDI_PITCH_BEND:
if (src->incLen == 3)
to_send = (src->incoming[2] << 16) | (src->incoming[1] << 8) |
src->incoming[0];
break;
case MIDI_PGM_CHANGE:
case MIDI_CHN_PRESSURE:
if (src->incLen == 2)
to_send = (src->incoming[1] << 8) | src->incoming[0];
break;
case MIDI_SYSTEM_PREFIX:
if (src->incLen == 1)
to_send = src->incoming[0];
break;
}
if (to_send)
{
src->incLen = 0;
time -= src->startTime;
MIDI_NotifyClient(src - MidiInDev, MIM_DATA, to_send, time);
}
}
/**************************************************************************
* midReceiveChar [internal]
*/
static void midReceiveChar(WORD wDevID, unsigned char value, DWORD dwTime)
{
DWORD toSend = 0;
TRACE("Adding %02xh to %d[%d]\n", value, wDevID, MidiInDev[wDevID].incLen);
if (wDevID >= MIDM_NumDevs) {
@ -266,67 +322,9 @@ static void midReceiveChar(WORD wDevID, unsigned char value, DWORD dwTime)
}
if (value == 0xf0 || MidiInDev[wDevID].state & 2) /* system exclusive */
{
handle_sysex_data(MidiInDev + wDevID, value, dwTime);
return;
}
#define IS_CMD(_x) (((_x) & 0x80) == 0x80)
#define IS_SYS_CMD(_x) (((_x) & 0xF0) == 0xF0)
if (!IS_CMD(value) && MidiInDev[wDevID].incLen == 0) { /* try to reuse old cmd */
if (IS_CMD(MidiInDev[wDevID].incPrev) && !IS_SYS_CMD(MidiInDev[wDevID].incPrev)) {
MidiInDev[wDevID].incoming[0] = MidiInDev[wDevID].incPrev;
MidiInDev[wDevID].incLen = 1;
TRACE("Reusing old command %02xh\n", MidiInDev[wDevID].incPrev);
} else {
FIXME("error for midi-in, should generate MIM_ERROR notification:"
" prev=%02Xh, incLen=%02Xh\n",
MidiInDev[wDevID].incPrev, MidiInDev[wDevID].incLen);
return;
}
}
MidiInDev[wDevID].incoming[(int)(MidiInDev[wDevID].incLen++)] = value;
if (MidiInDev[wDevID].incLen == 1 && !IS_SYS_CMD(MidiInDev[wDevID].incoming[0])) {
/* store new cmd, just in case */
MidiInDev[wDevID].incPrev = MidiInDev[wDevID].incoming[0];
}
#undef IS_CMD
#undef IS_SYS_CMD
switch (MidiInDev[wDevID].incoming[0] & 0xF0) {
case MIDI_NOTEOFF:
case MIDI_NOTEON:
case MIDI_KEY_PRESSURE:
case MIDI_CTL_CHANGE:
case MIDI_PITCH_BEND:
if (MidiInDev[wDevID].incLen == 3) {
toSend = (MidiInDev[wDevID].incoming[2] << 16) |
(MidiInDev[wDevID].incoming[1] << 8) |
(MidiInDev[wDevID].incoming[0] << 0);
}
break;
case MIDI_PGM_CHANGE:
case MIDI_CHN_PRESSURE:
if (MidiInDev[wDevID].incLen == 2) {
toSend = (MidiInDev[wDevID].incoming[1] << 8) |
(MidiInDev[wDevID].incoming[0] << 0);
}
break;
case MIDI_SYSTEM_PREFIX:
if (MidiInDev[wDevID].incLen == 1)
toSend = (MidiInDev[wDevID].incoming[0] << 0);
break;
default:
WARN("This shouldn't happen (%02X)\n", MidiInDev[wDevID].incoming[0]);
}
if (toSend != 0) {
TRACE("Sending event %08x\n", toSend);
MidiInDev[wDevID].incLen = 0;
dwTime -= MidiInDev[wDevID].startTime;
MIDI_NotifyClient(wDevID, MIM_DATA, toSend, dwTime);
}
handle_sysex_data(MidiInDev + wDevID, value, dwTime);
else
handle_regular_data(MidiInDev + wDevID, value, dwTime);
}
static void handle_midi_data(unsigned char *buffer, unsigned int len)