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(svn r10446) -Codechange: Move extmidi's global data into its class.

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This commit is contained in:
peter1138 2007-07-05 13:19:35 +00:00
parent c4aff8b0a4
commit b953493930
2 changed files with 27 additions and 28 deletions
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48
src/music/extmidi.cpp
View File

@ -16,47 +16,39 @@
#include <sys/stat.h>
#include <errno.h>
static struct {
char song[MAX_PATH];
pid_t pid;
} _midi;
static void DoPlay();
static void DoStop();
static FMusicDriver_ExtMidi iFMusicDriver_ExtMidi;
const char* MusicDriver_ExtMidi::Start(const char* const * parm)
{
_midi.song[0] = '\0';
_midi.pid = -1;
this->song[0] = '\0';
this->pid = -1;
return NULL;
}
void MusicDriver_ExtMidi::Stop()
{
_midi.song[0] = '\0';
DoStop();
this->song[0] = '\0';
this->DoStop();
}
void MusicDriver_ExtMidi::PlaySong(const char* filename)
{
ttd_strlcpy(_midi.song, filename, lengthof(_midi.song));
DoStop();
ttd_strlcpy(this->song, filename, lengthof(this->song));
this->DoStop();
}
void MusicDriver_ExtMidi::StopSong()
{
_midi.song[0] = '\0';
DoStop();
this->song[0] = '\0';
this->DoStop();
}
bool MusicDriver_ExtMidi::IsSongPlaying()
{
if (_midi.pid != -1 && waitpid(_midi.pid, NULL, WNOHANG) == _midi.pid)
_midi.pid = -1;
if (_midi.pid == -1 && _midi.song[0] != '\0') DoPlay();
return _midi.pid != -1;
if (this->pid != -1 && waitpid(this->pid, NULL, WNOHANG) == this->pid)
this->pid = -1;
if (this->pid == -1 && this->song[0] != '\0') this->DoPlay();
return this->pid != -1;
}
void MusicDriver_ExtMidi::SetVolume(byte vol)
@ -64,10 +56,10 @@ void MusicDriver_ExtMidi::SetVolume(byte vol)
DEBUG(driver, 1, "extmidi: set volume not implemented");
}
static void DoPlay()
void MusicDriver_ExtMidi::DoPlay()
{
_midi.pid = fork();
switch (_midi.pid) {
this->pid = fork();
switch (this->pid) {
case 0: {
int d;
@ -75,9 +67,9 @@ static void DoPlay()
d = open("/dev/null", O_RDONLY);
if (d != -1 && dup2(d, 1) != -1 && dup2(d, 2) != -1) {
#if defined(MIDI_ARG)
execlp(msf.extmidi, "extmidi", MIDI_ARG, _midi.song, (char*)0);
execlp(msf.extmidi, "extmidi", MIDI_ARG, this->song, (char*)0);
#else
execlp(msf.extmidi, "extmidi", _midi.song, (char*)0);
execlp(msf.extmidi, "extmidi", this->song, (char*)0);
#endif
}
_exit(1);
@ -88,14 +80,14 @@ static void DoPlay()
/* FALLTHROUGH */
default:
_midi.song[0] = '\0';
this->song[0] = '\0';
break;
}
}
static void DoStop()
void MusicDriver_ExtMidi::DoStop()
{
if (_midi.pid != -1) kill(_midi.pid, SIGTERM);
if (this->pid != -1) kill(this->pid, SIGTERM);
}
#endif /* __MORPHOS__ */

7
src/music/extmidi.h
View File

@ -6,6 +6,13 @@
#include "music_driver.hpp"
class MusicDriver_ExtMidi: public MusicDriver {
private:
char song[MAX_PATH];
pid_t pid;
void DoPlay();
void DoStop();
public:
/* virtual */ bool CanProbe() { return true; }