moonlight-stream/moonlight-common-c
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Add a connection status callback to notify when the connection becomes lossy

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Cameron Gutman
2019-03-17 01:37:09 -07:00
parent 4a7d28038d
commit 71a69204e9
3 changed files with 47 additions and 0 deletions
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34
src/ControlStream.c
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@@ -37,9 +37,17 @@ static long lastSeenFrame;
static int stopping;
static int disconnectPending;
static int intervalGoodFrameCount;
static int intervalTotalFrameCount;
static uint64_t intervalStartTimeMs;
static int lastConnectionStatusUpdate;
static int idrFrameRequired;
static LINKED_BLOCKING_QUEUE invalidReferenceFrameTuples;
#define CONN_POOR_LOSS_RATE 40
#define CONN_OKAY_LOSS_RATE 5
#define IDX_START_A 0
#define IDX_REQUEST_IDR_FRAME 0
#define IDX_START_B 1
@@ -190,6 +198,10 @@ int initializeControlStream(void) {
lastSeenFrame = 0;
lossCountSinceLastReport = 0;
disconnectPending = 0;
intervalGoodFrameCount = 0;
intervalTotalFrameCount = 0;
intervalStartTimeMs = 0;
lastConnectionStatusUpdate = CONN_STATUS_OKAY;
return 0;
}
@@ -257,9 +269,31 @@ void connectionDetectedFrameLoss(int startFrame, int endFrame) {
// When we receive a frame, update the number of our current frame
void connectionReceivedCompleteFrame(int frameIndex) {
lastGoodFrame = frameIndex;
intervalGoodFrameCount++;
}
void connectionSawFrame(int frameIndex) {
uint64_t now = PltGetMillis();
if (now - intervalStartTimeMs >= 1000) {
if (intervalTotalFrameCount != 0) {
// Notify the client of connection status changes based on frame loss rate
int frameLossPercent = 100 - (intervalGoodFrameCount * 100) / intervalTotalFrameCount;
if (frameLossPercent >= CONN_POOR_LOSS_RATE && lastConnectionStatusUpdate != CONN_STATUS_POOR) {
ListenerCallbacks.connectionStatusUpdate(CONN_STATUS_POOR);
lastConnectionStatusUpdate = CONN_STATUS_POOR;
}
else if (frameLossPercent <= CONN_OKAY_LOSS_RATE && lastConnectionStatusUpdate != CONN_STATUS_OKAY) {
ListenerCallbacks.connectionStatusUpdate(CONN_STATUS_OKAY);
lastConnectionStatusUpdate = CONN_STATUS_OKAY;
}
}
// Reset interval
intervalStartTimeMs = now;
intervalGoodFrameCount = intervalTotalFrameCount = 0;
}
intervalTotalFrameCount += frameIndex - lastSeenFrame;
lastSeenFrame = frameIndex;
}