(svn r1) Import of revision 975 of old (crashed) SVN

extmidi.c

@@ -0,0 +1,103 @@
+#ifndef __BEOS__
+#ifndef __MORPHOS__
+#include "stdafx.h"
+
+#include "ttd.h"
+#include "hal.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 "/usr/bin/timidity"
+#endif
+
+static pid_t _pid;
+
+static void extmidi_kill(void) {
+    if(_pid > 0) {
+        kill(_pid, SIGKILL);
+        while(waitpid(_pid, NULL, WNOHANG) != _pid);
+    }
+    _pid = 0;
+}
+
+static char *extmidi_start(char **parm) {
+    _pid = 0;
+
+    return NULL;
+}
+
+static void extmidi_stop(void) {
+    extmidi_kill();
+}
+
+static void extmidi_play_song(const char *filename) {
+    extmidi_kill();
+
+    _pid = fork();
+    if(_pid < 0) {
+        fprintf(stderr, "extmidi: couldn't fork: %s\n", strerror(errno));
+        _pid = 0;
+        return;
+    }
+
+    if(_pid == 0) {
+        #if defined(MIDI_ARG)
+			execl(EXTERNAL_PLAYER, "extmidi", MIDI_ARG, filename, NULL);
+		#else
+			execl(EXTERNAL_PLAYER, "extmidi", filename, NULL);
+		#endif
+
+        fprintf(stderr, "extmidi: couldn't execl: %s\n", strerror(errno));
+
+        exit(0);
+    }
+
+
+
+    usleep(500);
+
+
+    if(_pid == waitpid(_pid, NULL, WNOHANG)) {
+        fprintf(stderr, "extmidi: play song failed\n");
+        _pid = 0;
+
+    usleep(5000);
+
+    }
+}
+
+static void extmidi_stop_song(void) {
+    extmidi_kill();
+}
+
+static bool extmidi_is_playing(void) {
+    if(_pid == 0)
+        return 0;
+
+    if(waitpid(_pid, NULL, WNOHANG) == _pid) {
+        _pid = 0;
+        return 0;
+    }
+
+    return 1;
+}
+
+static void extmidi_set_volume(byte vol) {
+    fprintf(stderr, "extmidi: set volume not implemented\n");
+}
+
+const HalMusicDriver _extmidi_music_driver = {
+	extmidi_start,
+	extmidi_stop,
+	extmidi_play_song,
+	extmidi_stop_song,
+	extmidi_is_playing,
+	extmidi_set_volume,
+};
+#endif /* __MORPHOS__ */
+#endif /* __BEOS__ */