-#ifndef _WIN32
-static long GetTickCount(void) {
- static time_t initial_time = 0;
- struct timeval now;
-
- gettimeofday(&now, NULL);
-
- if (initial_time == 0) {
- initial_time = now.tv_sec;
- }
-
- return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L;
-}
-#endif
-
-// this thread plays audio data
-#ifdef _WIN32
-static void playthread(void *param)
-#else
-static void *playthread(void *param)
-#endif
-{
- long osleep, d, t, i, s;
- unsigned char tmp;
- int ret = 0, sector_offs;
-
- t = GetTickCount();
-
- while (playing) {
- s = 0;
- for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) {
- sector_offs = cdda_cur_sector - cdda_first_sector;
- if (sector_offs < 0) {
- d = CD_FRAMESIZE_RAW;
- memset(sndbuffer + s, 0, d);
- }
- else {
- d = cdimg_read_func(cddaHandle, cdda_file_offset,
- sndbuffer + s, sector_offs);
- if (d < CD_FRAMESIZE_RAW)
- break;
- }
-
- s += d;
- cdda_cur_sector++;
- }
-
- if (s == 0) {
- playing = FALSE;
- initial_offset = 0;
- break;
- }
-
- if (!cdr.Muted && playing) {
- if (cddaBigEndian) {
- for (i = 0; i < s / 2; i++) {
- tmp = sndbuffer[i * 2];
- sndbuffer[i * 2] = sndbuffer[i * 2 + 1];
- sndbuffer[i * 2 + 1] = tmp;
- }
- }
-
- // can't do it yet due to readahead..
- //cdrAttenuate((short *)sndbuffer, s / 4, 1);
- do {
- ret = SPU_playCDDAchannel((short *)sndbuffer, s);
- if (ret == 0x7761)
- {
- usleep(6 * 1000);
- }
- } while (ret == 0x7761 && playing); // rearmed_wait
- }
-
- if (ret != 0x676f) { // !rearmed_go
- // do approx sleep
- long now;
-
- // HACK: stop feeding data while emu is paused
- extern int stop;
- while (stop && playing)
- {
- usleep(10000);
- }
-
- now = GetTickCount();
- osleep = t - now;
- if (osleep <= 0) {
- osleep = 1;
- t = now;
- }
- else if (osleep > CDDA_FRAMETIME) {
- osleep = CDDA_FRAMETIME;
- t = now;
- }
-
- usleep(osleep * 1000);
- t += CDDA_FRAMETIME;
- }
-
- }
-
-#ifdef _WIN32
- _endthread();
-#else
- pthread_exit(0);
- return NULL;
-#endif
-}
-
-// stop the CDDA playback
-static void stopCDDA() {
- if (!playing) {
- return;
- }
-
- playing = FALSE;
-#ifdef _WIN32
- WaitForSingleObject(threadid, INFINITE);
-#else
- pthread_join(threadid, NULL);
-#endif
-}
-
-// start the CDDA playback
-static void startCDDA(void) {
- if (playing) {
- stopCDDA();
- }
-
- playing = TRUE;
-
-#ifdef _WIN32
- threadid = (HANDLE)_beginthread(playthread, 0, NULL);
-#else
- pthread_create(&threadid, NULL, playthread, NULL);
-#endif
-}
-