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hdmi-cec fix cpu load, report vendor id

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This commit is contained in:
TangoCash
2022-11-20 16:04:52 +01:00
committed by Thilo Graf
parent ed547a1930
commit 9ce9d6ee9a
1 changed files with 26 additions and 13 deletions
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39
src/driver/hdmi_cec.cpp
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@@ -51,7 +51,7 @@
#define WHITE "\x1b[37m"
#define NORMAL "\x1B[0m"
#define EPOLL_WAIT_TIMEOUT (1000)
#define EPOLL_WAIT_TIMEOUT (-1)
#define EPOLL_MAX_EVENTS (1)
#define CEC_HDMIDEV "/dev/hdmi_cec"
@@ -182,6 +182,17 @@ void hdmi_cec::SendCECMessage(struct cec_message &txmessage, int sleeptime)
mutex.lock();
msg_que.push_back(message);
mutex.unlock();
if (hdmiFd >= 0)
{
mutex.lock();
for (std::vector<cec_message_fb>::iterator it = msg_que.begin(); it != msg_que.end(); ++it)
::write(hdmiFd, &(*it), 2 + (*it).length);
msg_que.clear();
mutex.unlock();
}
}
void hdmi_cec::SetCECAutoStandby(bool state)
@@ -497,7 +508,7 @@ void hdmi_cec::run()
int epollfd = epoll_create1(0);
struct epoll_event event;
event.data.fd = hdmiFd;
event.events = EPOLLPRI | EPOLLIN | EPOLLOUT;
event.events = EPOLLPRI | EPOLLIN;
epoll_ctl(epollfd, EPOLL_CTL_ADD, hdmiFd, &event);
std::array<struct epoll_event, EPOLL_MAX_EVENTS> events;
dprintf(DEBUG_NORMAL, GREEN" [CEC] thread started...\n" NORMAL);
@@ -508,17 +519,6 @@ void hdmi_cec::run()
for (int i = 0; i < n; ++i)
{
if (events[i].events & EPOLLOUT)
{
mutex.lock();
for (std::vector<cec_message_fb>::iterator it = msg_que.begin(); it != msg_que.end(); ++it)
::write(events[i].data.fd, &(*it), 2 + (*it).length);
msg_que.clear();
mutex.unlock();
}
if (events[i].events & EPOLLPRI)
{
GetCECAddressInfo();
@@ -587,6 +587,19 @@ void hdmi_cec::run()
break;
}
case CEC_OPCODE_GIVE_DEVICE_VENDOR_ID:
{
txmessage.destination = rxmessage.initiator;
txmessage.initiator = rxmessage.destination;
txmessage.data[0] = GetResponseOpcode((cec_opcode)rxmessage.opcode);
txmessage.data[1] = 0x00;
txmessage.data[2] = 0x00;
txmessage.data[3] = 0x00;
txmessage.length = 4;
SendCECMessage(txmessage);
break;
}
case CEC_OPCODE_FEATURE_ABORT:
{
dprintf(DEBUG_NORMAL, GREEN" [CEC] decoded message feature '%s' not supported (%s)\n" NORMAL, ToString((cec_opcode)rxmessage.data[1]), ToString((cec_error_id)rxmessage.data[2]));