/* $Id$ */ /** @file extmidi.cpp Playing music via an external player. */ #ifndef __MORPHOS__ #include "../stdafx.h" #include "../debug.h" #include "extmidi.h" #include <fcntl.h> #include <sys/types.h> #include <sys/wait.h> #include <unistd.h> #include <signal.h> #include <sys/stat.h> #include <errno.h> #ifndef EXTERNAL_PLAYER #define EXTERNAL_PLAYER "timidity" #endif static FMusicDriver_ExtMidi iFMusicDriver_ExtMidi; const char *MusicDriver_ExtMidi::Start(const char * const * parm) { const char *command = GetDriverParam(parm, "cmd"); if (StrEmpty(command)) command = EXTERNAL_PLAYER; this->command = strdup(command); this->song[0] = '\0'; this->pid = -1; return NULL; } void MusicDriver_ExtMidi::Stop() { free(command); this->song[0] = '\0'; this->DoStop(); } void MusicDriver_ExtMidi::PlaySong(const char *filename) { strecpy(this->song, filename, lastof(this->song)); this->DoStop(); } void MusicDriver_ExtMidi::StopSong() { this->song[0] = '\0'; this->DoStop(); } bool MusicDriver_ExtMidi::IsSongPlaying() { 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) { DEBUG(driver, 1, "extmidi: set volume not implemented"); } void MusicDriver_ExtMidi::DoPlay() { this->pid = fork(); switch (this->pid) { case 0: { int d; close(0); d = open("/dev/null", O_RDONLY); if (d != -1 && dup2(d, 1) != -1 && dup2(d, 2) != -1) { #if defined(MIDI_ARG) execlp(this->command, "extmidi", MIDI_ARG, this->song, (char*)0); #else execlp(this->command, "extmidi", this->song, (char*)0); #endif } _exit(1); } case -1: DEBUG(driver, 0, "extmidi: couldn't fork: %s", strerror(errno)); /* FALLTHROUGH */ default: this->song[0] = '\0'; break; } } void MusicDriver_ExtMidi::DoStop() { if (this->pid != -1) kill(this->pid, SIGTERM); } #endif /* __MORPHOS__ */