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vdr/remote.c

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/*
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* remote.c: General Remote Control handling
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
*
* $Id: remote.c 1.29 2002/10/12 15:22:08 kls Exp $
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*/
#include "remote.h"
#include <fcntl.h>
#include <netinet/in.h>
#include <string.h>
#include <sys/types.h>
#include <sys/time.h>
#include <termios.h>
#include <unistd.h>
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#if defined REMOTE_KBD
#include <ncurses.h>
#endif
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#include "tools.h"
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// --- cRemote ---------------------------------------------------------------
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eKeys cRemote::keys[MaxKeys];
int cRemote::in = 0;
int cRemote::out = 0;
bool cRemote::learning = false;
char *cRemote::unknownCode = NULL;
cMutex cRemote::mutex;
cCondVar cRemote::keyPressed;
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cRemote::cRemote(const char *Name)
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{
name = Name ? strdup(Name) : NULL;
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Remotes.Add(this);
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}
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cRemote::~cRemote()
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{
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free(name);
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}
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const char *cRemote::GetSetup(void)
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{
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return Keys.GetSetup(Name());
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}
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void cRemote::PutSetup(const char *Setup)
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{
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Keys.PutSetup(Name(), Setup);
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}
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void cRemote::Clear(void)
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{
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cMutexLock MutexLock(&mutex);
in = out = 0;
if (learning) {
free(unknownCode);
unknownCode = NULL;
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}
}
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bool cRemote::Put(eKeys Key)
{
if (Key != kNone) {
cMutexLock MutexLock(&mutex);
if ((Key & k_Release) != 0)
Clear();
int d = out - in;
if (d <= 0)
d = MaxKeys + d;
if (d - 1 > 0) {
keys[in] = Key;
if (++in >= MaxKeys)
in = 0;
keyPressed.Broadcast();
return true;
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}
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return false;
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}
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return true; // only a real key shall report an overflow!
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}
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bool cRemote::Put(uint64 Code, bool Repeat, bool Release)
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{
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char buffer[32];
snprintf(buffer, sizeof(buffer), "%016LX", Code);
return Put(buffer, Repeat, Release);
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}
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bool cRemote::Put(const char *Code, bool Repeat, bool Release)
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{
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eKeys Key = Keys.Get(Name(), Code);
if (Key != kNone) {
if (Repeat)
Key = eKeys(Key | k_Repeat);
if (Release)
Key = eKeys(Key | k_Release);
return Put(Key);
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}
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if (learning) {
free(unknownCode);
unknownCode = strdup(Code);
keyPressed.Broadcast();
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}
return false;
}
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eKeys cRemote::Get(int WaitMs, char **UnknownCode)
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{
for (;;) {
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cMutexLock MutexLock(&mutex);
if (in != out) {
eKeys k = keys[out];
if (++out >= MaxKeys)
out = 0;
return k;
}
else if (!WaitMs || !keyPressed.TimedWait(mutex, WaitMs)) {
if (learning && UnknownCode) {
*UnknownCode = unknownCode;
unknownCode = NULL;
}
return kNone;
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}
}
}
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// --- cRemotes --------------------------------------------------------------
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cRemotes Remotes;
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// --- cKbdRemote ------------------------------------------------------------
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#if defined REMOTE_KBD
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cKbdRemote::cKbdRemote(void)
:cRemote("KBD")
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{
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Start();
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}
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cKbdRemote::~cKbdRemote()
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{
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Cancel();
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}
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void cKbdRemote::Action(void)
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{
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dsyslog("KBD remote control thread started (pid=%d)", getpid());
cPoller Poller(STDIN_FILENO);
for (;;) {//XXX
int Command = getch();
if (Command != EOF)
Put(Command);
Poller.Poll(100);
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}
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dsyslog("KBD remote control thread ended (pid=%d)", getpid());
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}
#endif