moonlight-stream/moonlight-common-c
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Add pen and motion batching

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Cameron Gutman
2023-06-18 14:30:16 -05:00
parent 372eb94ed0
commit 689450954c
1 changed files with 89 additions and 0 deletions
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89
src/InputStream.c
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@@ -34,6 +34,11 @@ static float absCurrentPosY;
// effective input latency by avoiding packet queuing in ENet.
#define CONTROLLER_BATCHING_INTERVAL_MS 1
#define MOUSE_BATCHING_INTERVAL_MS 1
#define PEN_BATCHING_INTERVAL_MS 1
#define MOTION_BATCHING_INTERVAL_MS 1
// Don't batch up/down/cancel events
#define TOUCH_EVENT_IS_BATCHABLE(x) ((x) == LI_TOUCH_EVENT_HOVER || (x) == LI_TOUCH_EVENT_MOVE)
// Contains input stream packets
typedef struct _PACKET_HOLDER {
@@ -277,6 +282,8 @@ static void inputSendThreadProc(void* context) {
uint64_t lastControllerPacketTime = 0;
uint64_t lastMousePacketTime = 0;
uint64_t lastPenPacketTime = 0;
uint64_t lastMotionPacketTime = 0;
while (!PltIsThreadInterrupted(&inputSendThread)) {
err = LbqWaitForQueueElement(&packetQueue, (void**)&holder);
@@ -435,6 +442,88 @@ static void inputSendThreadProc(void* context) {
lastMousePacketTime = now;
}
// If it's a pen packet, we should only send the latest move or hover events
else if (holder->packet.header.magic == LE32(SS_PEN_MAGIC) && TOUCH_EVENT_IS_BATCHABLE(holder->packet.pen.eventType)) {
uint64_t now = PltGetMillis();
// Delay for batching if required
if (now < lastPenPacketTime + PEN_BATCHING_INTERVAL_MS) {
PltSleepMs((int)(lastPenPacketTime + PEN_BATCHING_INTERVAL_MS - now));
now = PltGetMillis();
}
for (;;) {
PPACKET_HOLDER penBatchHolder;
// Peek at the next packet
if (LbqPeekQueueElement(&packetQueue, (void**)&penBatchHolder) != LBQ_SUCCESS) {
break;
}
// If it's not a pen packet, we're done
if (penBatchHolder->packet.header.magic != LE32(SS_PEN_MAGIC)) {
break;
}
// If the buttons or event type is different, we cannot batch
if (holder->packet.pen.penButtons != penBatchHolder->packet.pen.penButtons ||
holder->packet.pen.eventType != penBatchHolder->packet.pen.eventType) {
break;
}
// Remove the next packet
if (LbqPollQueueElement(&packetQueue, (void**)&penBatchHolder) != LBQ_SUCCESS) {
break;
}
// Replace the current packet with the new one
freePacketHolder(holder);
holder = penBatchHolder;
}
lastPenPacketTime = now;
}
// If it's a motion packet, only send the latest for each sensor type
else if (holder->packet.header.magic == LE32(SS_CONTROLLER_MOTION_MAGIC)) {
uint64_t now = PltGetMillis();
// Delay for batching if required
if (now < lastMotionPacketTime + MOTION_BATCHING_INTERVAL_MS) {
PltSleepMs((int)(lastMotionPacketTime + MOTION_BATCHING_INTERVAL_MS - now));
now = PltGetMillis();
}
for (;;) {
PPACKET_HOLDER motionBatchHolder;
// Peek at the next packet
if (LbqPeekQueueElement(&packetQueue, (void**)&motionBatchHolder) != LBQ_SUCCESS) {
break;
}
// If it's not a motion packet, we're done
if (motionBatchHolder->packet.header.magic != LE32(SS_CONTROLLER_MOTION_MAGIC)) {
break;
}
// If the controller or sensor type is different, we cannot batch
if (holder->packet.controllerMotion.motionType != motionBatchHolder->packet.controllerMotion.motionType ||
holder->packet.controllerMotion.controllerNumber != motionBatchHolder->packet.controllerMotion.controllerNumber) {
break;
}
// Remove the next packet
if (LbqPollQueueElement(&packetQueue, (void**)&motionBatchHolder) != LBQ_SUCCESS) {
break;
}
// Replace the current packet with the new one
freePacketHolder(holder);
holder = motionBatchHolder;
}
lastMotionPacketTime = now;
}
// If it's a UTF-8 text packet, we may need to split it into a several packets to send
else if (holder->packet.header.magic == LE32(UTF8_TEXT_EVENT_MAGIC)) {
PACKET_HOLDER splitPacket;