mirrors/looking-glass
2
0
Fork 0
mirror of https://github.com/gnif/LookingGlass.git synced 2024-12-22 22:01:46 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

[host] app: wait for space in the frame queue

Browse source 
We must always wait for space in the frame queue so that we do not
overwrite memory that is already queued and may be in use by a client.
This commit is contained in:
Geoffrey McRae 2021-07-12 17:30:06 +10:00
parent 7d0b9711bd
commit ce459c24ce
1 changed files with 12 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
host/src/app.c
View file

@ -146,6 +146,18 @@ static bool sendFrame(void)
{ {
CaptureFrame frame = { 0 }; CaptureFrame frame = { 0 };
bool repeatFrame = false; bool repeatFrame = false;
//wait until there is room in the queue
while(app.state == APP_STATE_RUNNING)
if(lgmpHostQueuePending(app.frameQueue) == LGMP_Q_FRAME_LEN)
{
usleep(1);
continue;
}
if (app.state != APP_STATE_RUNNING)
return false;
switch(app.iface->waitFrame(&frame, app.maxFrameSize)) switch(app.iface->waitFrame(&frame, app.maxFrameSize))
{ {
case CAPTURE_RESULT_OK: case CAPTURE_RESULT_OK:
@ -249,13 +261,6 @@ static int frameThread(void * opaque)
while(app.state == APP_STATE_RUNNING) while(app.state == APP_STATE_RUNNING)
{ {
//wait until there is room in the queue
if(lgmpHostQueuePending(app.frameQueue) == LGMP_Q_FRAME_LEN)
{
usleep(1);
continue;
}
if (!sendFrame()) if (!sendFrame())
break; break;
} }