moonlight-stream/moonlight-common-c
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Require 2 intervals of 15% frame loss or one of 30% frame loss to trigger the poor connection warning

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This commit is contained in:
Cameron Gutman 2019-04-06 12:23:36 -07:00
parent 40fa4ef3c8
commit 9220fcb8e8
1 changed files with 11 additions and 2 deletions
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13
src/ControlStream.c
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@ -40,12 +40,14 @@ static int disconnectPending;
static int intervalGoodFrameCount;
static int intervalTotalFrameCount;
static uint64_t intervalStartTimeMs;
static int lastIntervalLossPercentage;
static int lastConnectionStatusUpdate;
static int idrFrameRequired;
static LINKED_BLOCKING_QUEUE invalidReferenceFrameTuples;
#define CONN_POOR_LOSS_RATE 15
#define CONN_IMMEDIATE_POOR_LOSS_RATE 30
#define CONN_CONSECUTIVE_POOR_LOSS_RATE 15
#define CONN_OKAY_LOSS_RATE 5
#define CONN_STATUS_SAMPLE_PERIOD 3000
@ -202,6 +204,7 @@ int initializeControlStream(void) {
intervalGoodFrameCount = 0;
intervalTotalFrameCount = 0;
intervalStartTimeMs = 0;
lastIntervalLossPercentage = 0;
lastConnectionStatusUpdate = CONN_STATUS_OKAY;
return 0;
@ -279,7 +282,11 @@ void connectionSawFrame(int frameIndex) {
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) {
if (lastConnectionStatusUpdate != CONN_STATUS_POOR &&
(frameLossPercent >= CONN_IMMEDIATE_POOR_LOSS_RATE ||
(frameLossPercent >= CONN_CONSECUTIVE_POOR_LOSS_RATE && lastIntervalLossPercentage >= CONN_CONSECUTIVE_POOR_LOSS_RATE))) {
// We require 2 consecutive intervals above CONN_CONSECUTIVE_POOR_LOSS_RATE or a single
// interval above CONN_IMMEDIATE_POOR_LOSS_RATE to notify of a poor connection.
ListenerCallbacks.connectionStatusUpdate(CONN_STATUS_POOR);
lastConnectionStatusUpdate = CONN_STATUS_POOR;
}
@ -287,6 +294,8 @@ void connectionSawFrame(int frameIndex) {
ListenerCallbacks.connectionStatusUpdate(CONN_STATUS_OKAY);
lastConnectionStatusUpdate = CONN_STATUS_OKAY;
}
lastIntervalLossPercentage = frameLossPercent;
}
// Reset interval